SCIENTIFIC ABSTRACT VLASENKO. N.A. - VLASENKO. N.A.

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• Collection: Scientific Abstracts
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• Release Decision: RIF
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• Sequence Number: 1
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

AUUH00%,
=1 LE - On the mechanism of excitcation of zlectro', lineacence in ZnS-,vn
'-"5, "'7_4-3
MMIE: 0-otika i spek-trosko-pi-va, v.
TOPIC SIM elpctrol-,ninesc.!nce excitation, zinc Sulfide
or. poss'-IlLy, brea~_~jwn vo'ts.,:;e
optical materialp thin exci ati
ABSTRACT: The influence of the thi.-Imess of a sample on the probability of excita-
tion, Of clectrolumIncsCence ir, 72S-1.,n Iii-r.-3 ~-az fnvestigated vith an aim at deter-
=nlr.,:~ ur~~i`,~_ous4 the r_-xc'_ta-_icr,, =ecnanisiz. D, is shown
tha-~ sucln ar. e:cperimer,~_ m;_,kes it -o unicuely w-etxner t-c-
M Q, C L I S r e S -)0 i_. Z If - r- '_'o obtala
sa=,,t:s of different thi-ki~,E~3_z vf-_- --,.-e t~-.-C-ste~; Me--`CC,
f- one of t~.e aut'n'Drs
(Vlasenko, 'with YU- A- Fopkavr O-pt. I &Pa.' r. V. 0. o.L., 7~- c
films ranged in thickness fro= 0.04 to 2.0 ji, and the Fn concentration was 0-5
Lvt.%. The electrolumiaescence was excited with a 20W cps field to permit applica-
C.,

L 43871-65
ACCESSION NR: Ap5oo6435
tion of a higher voltage then in the caZe et" a Qc f1cl-A. The avera-g_e brighlness
Plele was determilred by the
a..'! I E771 t' X C1 -:7.
ca:,ca~-e:3 u,:
n ~e el -L d S and a c
ec ro e c
f e I d r a-n I ~'~Dr erc st i r- t h e woz- 4 , a:-i d Y u
-'pfai t i m; in discisslo s."
axt. has. 4 fjCzu;-e5, 9
A S S OC DMON None
Card 2/3

3 7
-LED
Card 3/3

VLASENKO, N. A., Cand Phys-Math Sci -- (diss) "Photo- and electrolualin-
escence of the sublimate-phosphor ZnS-VIn." Khar'kov, 1960. 16 pp; (Min-
istry of Higher and Secondary Specialist Education Ukrainian SSR, Khar'-
kov Order of Labor Red Banner State Univ im A. M. Gorlkiy); 150 copies;
free; bibliography at end of text (10 entries); (KL, 25-60, 126)

VIASINKO, N.A.; POPKOV, Yu..A.
In-estigating the electroluminescence of a ZnS-Ma
sublimate phosphor. Opt.1 spektr. 8 no.1:81-88
Ja 160. (MIRA 13:7)
(luminescence) (Zinc (sulfide)

51-5-16/26
AUTHORS: Sinelinikov, K.D., Shklyarevskiy, I.N. and Vlasenko, N.A.
TITLE: Double Refraction of Fluoride Films. (Dvoynoye Lucheprel-
omleniye plenok fto:ridov)
PERIODICAL: Optika i Spektrosko3)iyAtl957j Vol.2, Nr 5, pp.651-657
(USSR)
ABSTRACT: Studies of films obtained by vacuum deposition show that
they consist of microcrystallites separated by pores. Both
the form and the orientation of these microcrystallites de-
pend on the nature of the substance, thickness of the film
and the conditions at deposition (speed of evaporation,
pressure in the vacuum system, temperature and nature of
the basel direction of the evaporated beran). It is known that
a substance consisting of correctly oriented isotropic par-
ticles of a refractive index 1Aj. and with the pores filled by
a medium with a refractive inde-t ,&2 is anisotropic if at
least one of the particle dimensions and the distances be-
tween them is small compared with the wavelength of light.
Double refraction produced i.n such circumstances is called
the double refraction of form. The optical properties of
such a body are determined by the refractive indices of its
component parts and by the'relative volumes of these parts.
Uard 1/3

Double refraction of fluoride films. 51-5-16/26
The absolute size of the particles, so long as it is smaller
than light wavelength; is not important. For many substances
the dimensions of microcrystallites and the distances be-
tween them are considerably smaller than visible light wave-
length, and therefore in that region one would expect
anisotropy of the film. Double refraction was, in factf
found by the authors in films of CaF2f BaF2, LiF, ,)'bS? V205
and other substances obtained by deposition on a :class
base in vacuum.On introducing such a film between two
crossed nicols one can observe fairly strong transmission
in the field of vision. This transmission is at maxiTmi
when the glass with film on it is so oriented that the dir-
ection given by the cro3s section of the plane of the base
with the plane of incidence of the evaporated molecular
beam is at an angle of 450 to the direction of polarisation
of the nicols. Wetting of the film by liquids of various
refractive indices decreases the intensity of the transmitted
light. The transmission becomes zero on wetting with a
liquid whose refractive index is equal to the refractive
index A of the bulk substance. Double refraction of
t'Ide films may be also studied by an interferometric
the fluor
method. On a glass plate a semi-transparent silver layer is
Card 2/3 deposited. On silver a calcium fluoride layer in a form of a

Double refraction of fluoride films. 51-5-16/26
symmetrical hill is deposited which is then covered by
another semitransparent silver layer. In monoch-romatic
light a system of double rings is observed (Fig.2). The
equal chromatic order lines are split in a similar way.
(Fig-3). The results show that the fluoride layers possess
biaxial double refraction and that the plane of the optical
axes'coincides with the plane of incidence of the molecular
beam. The orientation of the refractive index ellipsoid
relative to the layer of the film depends on the angle of
incidence of the molecular beams on to the base in the pro-
cess of the deposition of the film. The magnitude of the
double refraction also depends on this angle of incidence.
The results are shown in Figs.6 - 10. There are 10 figures,
and 11 references, of which 8 are Slavic.
ASSOCIATION: Kharkov State University (Kharlkovskiy Gosudarstvennyy
Universitet)
SUBMITTED: October 15, 1956.
AVAILABLE: Library of Congeebs
Card 3/3

ACCESSION MR: AP4020933

AU211OR: Vlasenko, X#A* Lisitsag V. P.

ead sulkids layers
TITLE: Optical Constants of Photosensitive I
SgURCEt Optika i spektroskoplya, v.16, n0.20 19640 ~97-303
TOPIC TAGS% optical constantp reflection, transmitlance, transaissiong absorptioa.,J
absorption coofficient, Index of rofractiont lead sulfidet lead sulfide coating# i
exciton absorption
ABSTIUCT; In view of the potential value of PbS film and coatings, prepared by
chemical procedures, for detection of Infrared radiation, there wore measured the
:optical constants of such layers in the approximate range from 0.4 to 5.5 A. A fur-,.:,
ther purpose of the work was to elucidate the nature of the long wavelength plateau,
adjacent to the fundamental absorption edge. The thickness d of the layers were dV~
-.termined to within 1% by an interforometric method. The transmittance T was
ed by mcaz)s of SP-4 spectrophotometer in the 0.4 to 1.2 1A Interval and by means ofit'' ,
IXS infrared apectrometer in the 1 to 5.5 1A range. The reflection coefficients R
from the Inyor side and.R' from the gubstrato side were determined by oomWlson of*-.~

a/.:3

!ACCESSION MRS AP4""
~:the reflection from the specimen with the reflection from a standard mirror with a
1known R; a UU-2 monochromator with an AgS photocell wasused for the visible region-
measurements; an IKS-6 spectrophotorieter for the measurements in the infrared. The
11values of the absorption coefficient k and the index of refraction n were calculat-:
Died on the basis of the measured values of T, R, R' and d by means of formulas ad-
~Jduced in the paper. The inferred values.are presented in the form of curves and a
11table for n, and compared with the corresponding constants for PbS single crystals,-,i
't
iltaken from the literature. In the I to 4 p region the Index of refraction changes
II'little, but remains consistently below the value for single crystals. In the wave-I
1:length region below 3 g the absorption spectrum of the films agrees with.'the abscrp~
I
1:tion spectrum of single crystals, but In the longer wavelength region exhibits ad-
ditional absorption that depends to some extent on the size of the crystallites.
This additional absorption is tentatively attributed to the presence in layer crya-:
tals of a high concentration of structure defects, for this absorption tends to do-.-
crease with increasing crystallite size. The nature of the absorption platoau in
'discussed and the absorption In this region is associated with an exciton mechan-
ism. "'llie authors are sincerely grateful to V.Ye.Lashkarev for his interest In the
work and discussion of the results, and to PoP.Pbgoretakiy and ZXoxhallmonova for!
2/3
.'Card, - - -----------

r"n
ACCESSION NRs AP402W33
assistance in carrying out the measurements." Orig.art.han: 7 formulas 4 figures
and 1 table.
ASSOCIATION: none
~MUITTED:, 2SApr63 DATE ACQ: 02Apr64 EUM: 00
SUB CODE- PH NR REY 80V;. 005 OnMRZ008
---------------------

VLASENKO, N.A.; LISITSA, M.P.
Optical constants of photosensitive films of lead sulfide. Opt. i
spektr. 16 no.2t297-303 F 164. ()URA 17-4)

Vj,,tSFjjj:0, if.A.; h,'JIMFENK0, V.F.
FlectrolumInescence Of C6S 3ingle c-_;,3talB- On-_ i spektr.
16 no. 4:642-650 Ap 164. (iGRA 31-7:5)

VLASENKO,, N.A.; MLU)SLAVSKIY, V.K.; SHKLYAREVSKII, I.M.
On the appearance of Brewster band -and superposition bands.
Opt.i spektr. 13 no.2:250-255 Ag 162. WIRA 15:11)
(Spectrum analysis)

VIASENKO, N.A.
Effect of temperature on the electrolunLineseence of the ZnS-Yn
phosphor sublimate, Opt. i spektr. 8 no-3:414-1+17 Mr(160.
MIRA 14:5)
(Zinc sulfide) (Luminescence)

.~2 t4 d15_0 0
AUTHORs Vlasenko, N.A,
TITLE: The Effect of Temperature
Sublimated Phosphor ZnS-Mn
PERIODICAL: Optika_i spektrosiopiyal
PP 1+14 417 (USSR)
6 84
810511 008/03/028/038
E201/2191
on Electroluminescence of a
196o, Vol 81 Nr 3,
ABSTRACT: The re orted temperature dependences of electrolumines-
cence Mfs 1-7) are contradictory and, thereforeq the
author undertook an investigation of the effect of
temperature on the properties of electroluminescent
phosphors with the purest possible chemical composition. I
For this purpose the author prepared ZnS-Mn in sublimated
form and studied its properties in the region 100 - 500 0K.
Below room tem erature measurements were carried out in a
special optiM cryostat. By using a heater in this
cryostat the temperature in it could be raised to 70 OC.
For measurements above room temperature the samples were
Placed on a solid copper block in a special oven.
Card Temperature was measured with a copper-constantan thermo-
l/ 5 couple. A photomultiplier FEU-17 was used as a receiver.
It was~connected to an amplifier and a galvanometer.

69842
S/051/60/008/03/028/038
9201/El9l
The Effect of Temperature on Electroluminescence of a Sublimated
Phosphor ZnS-Mn
Electroluminescence was excited with sinusoidal voltages
and hotoluminescence was excited with the mercury line
at 395 my. The luminescence intensity above room
temperature was measured under steady-state conditions and
below room temperature it was measured while the sample
was slowly heated (1.5 deg/min). The author recorded also
the electroluminescence spectra at various temperatures.
From these measurements he constructed the temperature
dependence of the relative number of quanta emitted per
unit time under given conditions of excitation. Such
temperature dependences were constructed for photo-
luminescence (curve 4 in Fig 1) and for electroluminescence
excited with 200 kV/cm at 200 c/s (curve 2 in Fig 1) and
2000 cls (curve 3 in Fig 1). These curves show that up to
about 200 OK the number of quanta emitted per unit time
(NINO) in photo- and electroluminescence remains constant
Card and at higher temperatures (up to about 250 OK) the value
2/5 of NINO falls slightly. Above 250 OX the photo- and
electroluminescence curves diverge completely; the value

69842
s/o5i/WoOS/03/028/038
E201/E191
The Effect of Temperature on Electroluminescence of a Sublimated
Phosphor ZnS-Mn
of NINO for electroluminescence rises sharply with
temperature, while NINO for photoluminescence falls
rapidly. The rise of electroluminescence is accompanied
by a rise of current through the sample. It was also
found that an increase of temperature alters the
intensities of photoluminescence and electroluminescence
and bands are broadened (this broadening is proportional to
VY at T>250 OK). The integral luminance of electro-
luminescence (curve 5 in Fig 1) behaves gimilarly to the
value of NINO for electroluminescence, i.e. it also rises
strongly with temperature above 300 OK. The curve showing
thermal de-excitation (1 in Fig 1) has one maximum in the
region 130 OX which is due to excess atoms of zinc. NO
thermal de-excitation (thermoluminescence) was observed if
the sample was not subjected to ultraviolet excitation
before heating. No resemblance was found between the
thermoluminescence curve and the temperature dependence of
Card electroluminescence (cf. curves 1, 2 and 3 in Fig 1). It
3/5 follows that the traps responsible for the 'Uhermo-
luminescence peak at 130 OK do not play any role in the

69842
8/051/60/008/03/028/038
E201/R191
The Effect of Temperature on Electroluminescence of a Sublimated
Phosphor ZnS-Mn
process of electroluminescence between 100 and 500 OK.
From the logarithmic dependence of the electrical
conductivity on the reciprocal of the absolute temperature
(curve 1 in Fig 2) the author deduced that there are two
types of donor levels in the phosphor, whose depths are
0.11 and 0.38 eV. The observed temperature dependence of
electroluminescence can bb explained on the basis of the
collision mechanism of excitation and thermal ionization of
donors which occurs more easily in the presence of a field.
Lt low temperatures the conduction electron density is
governed mainly by the shallow donor levels. In strong
external fields (-./100 kV/cm) these levels are completely
ionized even at low temperatures, i.e. the number of
electrons which can be accelerated by the external field
and can thus excite the activator centres by collisions is
independent of temperature and consequently electro-
Card luminescence is also independent of temperature. When
1+15 temperature rises so that ionization of deep donor levels
becomes possible, the intensity of electroluminescence
increases with temperature because of the increase in the

69842
S/051/60/008/03/028/038
E201/E191
The Effect of Temperature on Electroluminescence of a Sublimated
Phosphor ZnS-Mn
number of collisions which excite the activator centres
(curve 2 in Fig 2). The author investigated also the
frequency dependence of the electrolumineseent intensity
at various temperatures (curves 1-If in Fig 3 show this
dependence at 105, 293, 360 and 410 OK respectively). on
increase of the frequency a noticeable rise of the electro-
luminescent intensity occurs at higher temperatures (curves
2 and 3 in Fig 1) because the number of donor centres
ionized in one half-period of the applied voltage decreases
on increase of the field frequency. For the same reason
the frequency dependence of the electroluminescent intensity
is altered on increase of temperature (Fig 3); this occurs
when the probability of ionization of deep donor levels,
made easier by the applied field, rises with temperature.
Card Acknowledgements are made to K.D. Sinellnikov, I.N.
515 Shklyarevskiy and V.K. Miloslavski for-thei advice.
Tnere are -3-figures and 9 references, of which 3 are
Soviet, 4 English, 1 French and 1 German.
SUBMITTED: August 17, 1959

/51 -7 -4-12,/32
-'XTFOR: Vlasenko,
TITLE Investig-ation. of the Fundamental ..bsorption "ipectrum of Zinc ~;ulphide
P -, ?d OD ILL .Optika i spektrcak,)piya, 1959, Vol 7, !lr 4, ap 511-517 (UVOSR)
ABST1,CT: The author investipted the fundamental absorption spectrum (in the
soectrdl ragion 220-600 m1i) of zinc sulphide fi1xis proclucod by vacuum
deposition at 5 x 10-5 mm Hg. Glass and quartz plates were used as the
substrates'. Zinc sulphide was heated in vacuo before evioonttion In
order to removo --ossible chloride and sulphate impurities. The rate of
deposition of th.a film Yr-;Ls varied frow 200 to 2000 A/min. To avoid
the effects if interference in the r~jglon of vioak ~,.bsorntion (A > 335 nji,
the author used a ;tat'hod described earlier (Ref 13). In the region of
strong absorption (,~ < 335 MILI the absorption coefficient was determined
in the usual ruy by co-Lpiring transwission of two samples of different
known thicknesses. Thase thicknesses xera such that trdnsinission
did not -4xceed 10-20Y9, under these conditions the error due to
disregard of interference vas saall (3-5;,~). xransmission was m6asurad
by means of an SF-4 spectrophot=ater. The thickness of the filias was
Card 1/4 determined interferometrically tc within 1-2~L The errors in

C',* 07/51 -7 -4-12/32
Investigation of the Fundamental -'_bsorption Lpqctrj,~i of Zinc Ziulphide
d atorinining the absorotion coefficient varied from 2 to 5~.. ~`trong
absorption (_104CM-1) was o'buerved at wavalangthg below 365 m1i. A weak
maxim= (_:Lo5cm-l) was observed at 325 m1i and with further dscreas6 of
wavelangth absorption rose to 7 x 10 5 GM-1 (at 220 raji). An absorption
"tal,l'! extended into the visible region (-500 m1i) -.vhgr,3 the absorption
coefficient amounted to 100 cm-1. .111 this is shown in FIG 1. Heating
(arinealing) of zinc sulphide films in vacuo or In bulphur vapour at
tempo raturas a t)ove 40000 af fected strongly the loug-wavelongth (;k > 330 mji)
part of absorption. .,bs orptioa of annealed f ilms at )k > 330 n4l was much
siaaller than that of non-annealed films, approaching the values observed
in absorption by massive ZnS crystals. Lnn(;aling produced also a small
rise in absorption at 270-330 m1i (Fig 2). The author recorded also the
absorption spectrc, of non-annealed (Fig 3) and annealed (Fig 4) ZnS films
at -1550 (curves 1), +170 '(curves 2) and +240oC (curves 3). At A< 280 mIL
the spectrtL viere found to be die-placed toviardi; longer wavelengths on
increase of temoaruturs and the t%.i:)srature coefficient of displace.aent
vas -2.2 x 10-4 OV/deg C. 71hen tau-e.7ature was lon,3red the absorption
e
fjaximum(325 mp)moved towards shorter vavelengths, became sharper and
higher (Fig 4, curve 1). The tataoerature coefficient of dispiaceaent of
t.-.9 long vavelen.-th absorption edge (at 340 mp) in annealed samples
card 2/4

607/51-7-i-N/32
JnvestiGuticn of Via F~mdamant-l "'bsorptiou wpectrum of Zinc Zulphide
war. -4.4 x 10-40V/dog C. YIg 5 shows the wavelength dopeOenca of the
difference t;etwean the absorption coefficients of non-annealad and
aruioaled films. This depondence has a uaxi;muia which rises ia value,
becomea sharper and is displaced to-wards shorter wavel,3ngths on lowerin&
of temperature. Absorption by zinc sulphide at~< 270 m1i is indopendent
of the inethod of preparation of the sample and is due to transitions
from the 'valence band to the conduction band . The exoeriin,3ntal data
show th.tt the absorption coefficient in the region 230-i7O m~L Is
proportional td (%~' - SG)l*S'where S is the energy of the absorbed
photon and BEG Is the forbidden energy gap. Lt > 270 m1i this
dependence of the absorption coefficient on (H EG) is no longer valid
because of tne presence of the absorption band at 325 m11 which is not
resolved at room temnerature. This band represents formation of the
first excited state of the lattice by transition of electrons fron
negative Ions to the nearest positive ions. The long-wavelength
absoration observed in an-preparad films and absent in annealed films
as weil as in large crystals, is due to lattice defects such as
Card 6/4

SOV/51-7-4-12/32
Investigation of the Fundamental Absorption Spectrum of Zinc Sulphide
dislocations or grain boundaries. It is possible that this absorption
is related to localization of the excited state of the latzice at the
lattice defects. Acknowledignents are made to K.D. Sinellnikov,
I.N.'Shiclyarevskiy and V.K. 'u1ilos1avs1ciy for their advice. There are
6 figures, 1 table and 23 references, 5 of wrtich are Soviet, 13 English,
I Dutch, 2 German and 2 translations from English into Russian.
SUBLIP.MED: January 19, 1959
dard 4/4

-.. VLASE1rKO, N.A.; MILOSLAVSKIY, V.K.; SHKLYAR&VSKIY, I.N.
Interference of luminescent radiation from sublimate
phosphors. Opt. i Bpektr. 11 no.3:403-409 S 161. (MIRA 14:9)
(Phosphors) (Luminescence)

68206
0 0 sov/58-59-5-11644
Translation from, Referativnyy Zhurnal Fizika, 1959, Nr 5, pp 246 - 247 (USSR)
AUTHOR: Vlasenko. N.A.
TITLE: New Method for Measuring the Absoprtion Coefficient of Substances in
-111 in Yj 1 _ms
TI/
PMIODICAL: Uch. zap. Kharlkovsk. un-t, 1958, Vol 98, Tr. Fiz. otd. fiz.-matem.
fak., Vol ~,'_jTp 32-1 - 32-3
ABSTRACT- A method lacking the distortions due to erence phenomena is
proposed for measuring the light absorption coefficient of a substance
in thin films, For this purpose a light beam, which has been linearly
polarized in the incidence plane, is aimed at the thin film of a
substance under the Brewster angle. In this case the reflection co-
efficient is equal to zero, and multiple reflections leading to the
arousal of interference distortions do not take place. The absorption
coefficient in this case is calculated from the formula:
1n I2/Il
(t727cos r
Card 1/2 where 11 and 12 are the intensities of the light passing through a

682o6
SOV/58-59-5-11644
New Method for Measuring the Absorption Coefficient of Substances in Thin Films
plate having the thicknesses t1 and t and r is the Brewster angle. Using an SF-4
spectrophotometer, the author verifiXthe method experimentally on ZnS films 3,500
and 1,:100 A thick in the case of wavelengths ranging from 3,300 to 5,000 X. This
method may find an application inihe investigation of the absorption of light by
sublimated phosphors.
K.S. Vulffson
Card 2/62

68A4
2-4, 3 P 6 C-71151- -8 -1-14/40
OJTHORS Vlasonko, IT.A. and Po 1cov, YU.A.
,y
TITLEs Investigation of El octrolumines cone a of the Sublimated US-Mn
Phosphor ~,j
PBRIODICAL: Optika I spektroskonlya, 1960, Vol 8, Nr 1, pp 81-88 (USSR)
ABSTRA.CT: The authors used Vlasen1co's method (Ref 4) to prepare ZnS-Yn phosphors.
Pure zinc sulphide and metallic manganese were evaporated In 10-,%n Hr'
vacuum fran tantalum, boats onto a glass plate coated with tin dlox~b
(the latter served as the transparent olectroJe). The ohosohor
layers obtained in this vay here heat-treated at 500-5560C in order
to diffuse the activator into ZnS and to produce good crystal structure
in the films. On top of the phosphor layer aluminium -was deposited
to servo as the second electrode. In some sam.olos a dielectric layer
(for example polystyrene) ms deposited betwcten the phosphor and the
aluminium electrode. ZnS-21n phosphors prepared in this way had orange
luminescence when excited with electron beamc, X-rays, ultraviolet
light or by means of alternating electric fiolds, The Pr9sent paper
dbals with electroluminescence of sublim-ted ZnS-Mn films excited
from an audio-frequency oscillator ZG-10. T'is authors Investigated
Gard 1/4 the electrolmiinesconce spectrum, luminance -vaves, dependence of "he
Integral luminance on the intensity and freqiency of the apnlio~

6831h
507/51-6-1-14/4C
investigation Of Slactroluminozicanca of the Subltiahted ZrZ-L:n Pho&phor
field and certain electrical properties. The alactroltuilno5cance
spectrum was a simple band of 0.20 eV half-width and a rtaximum at
2.13 OV (58Z mA), it was oractically Indeptindent of the intensity
and frequency of the applied field, Luminance waves wore found to
become itiore t_1,Yrnm0,ric -4th increase of tho applied field frqrVaency
(Fig 1). The luminance -save paah rose by 2-.7 orders of maViitude
with increase of the applied field intensity from 3.4 x 105 to
5.0 x 105 Vcm (Fig 3). The ratio of negatiTe to positive luminance
peaks (peaks during negative and positive half-periods of the R~cplied
field) was also strongly affoctod by the fiell, at 9 = 2 x 105,7 cm
this ratio was 4.5 and it f all to below I at 3 = 5,6 x 105 Veja (Fig 2).
The integral electroluminescence luminance depended on the Mn
concentrition, at the ooti=vn concentration (0.003 g/g) it -was
0.02 stilb for samples 3 IL thick In a 4 x 105 V/cm ar,3 3000 c/s field.
The Integral luminance rose by 6-8 orders of magnitude -when the field
intensity increaced by a factor of 5-6 (Fir, 4)'~ this rise is Lauch
greater than in -,ovider phos phors . At a ~,ivon field intensity the
lLuainanca rcs a also with thickness of the ~ampples . The li=lnance
was proportional to the apolled field frequency at lom frequencles 'out
Card "./4 above 5000 cls it r-_nched saturation, the lwnlra~~cence was indepenllrt

66314
.-Ov I.,
Investir,ation of Electroltuirrioscence of the Sublipitige ZEO-Ifn ilhoi~hor
of the frequency, orovided the resistance of the trAnsparent
electrode was small coinp,,red with the Unpadanco of the slv!iple. At
high applied field intensitlei the authors observed rion-linemjr
effects in the current-voltage characteristics of the phoi;phor
(Fig 5); deviations from Ohm's law -wore foijndl in fields -reater
than 3 x 104 V/cm (Fig 6). When the upper electrole was In 51Q.,iediate
contact with the phosphor (i.e. no intortiediate dielectric layer)
slight rectification was observed at that electroie. At low
temperatures (115-2501K) the functions log 0-= f(I/T), m1hore 6
is the electrical conductivity and T is the abaolute temperature,
are straight lines Ahoso slopes depend somenhat on the intensity of
the applied field (Fig 7). Above iSOOK (1/T = 0.004) a s)isrper rise
of %he electricai corductivity with temperature was observed. The
results obtained show -that electrolttminescence of subliiiiated
US-16n DhosphrrG is intrinsic luminescence and it Is produced
throughout the samnia. The authors found alzo shallow (--0.1 eV)
donor levels in ZnS-4fn layers. The ionization energy of these donors
depends on the applied field in agraerent with Frenkel's theory of
Card 3/4 thermal ionization aid9d by electric fields. AcknwsledUiionta are q1

1 68314
Invostigation of Blectrol~=inwconce of the Sublirmted ZnS-Mll ph SOV-51-8-1-14/40
os; phor
made to K.D. 3inellnikov who suggestorl the subject ard to 1.1!.
Shklyarevsk.iy and V.1, Miloalavskiy for their advice. Th-3r3 aro
9 figures and 11 references, 3 of -wniQh are Soviet, b. English,
I translation from Englizh into Russian and I Dat--h .~ V
SMUTTED- June 15, 195~1
Gard 4/4

AUTHORS: Vlasenko, N.A.,
TITLE: On the role of
of luminescence
42192
S/051/62/013/004/oo6/023
E039/E491
Pavlova, Ye.N.
additional impurities in the formation
centres in the phosphor ZnS-Cu
PERIODlCAL: Optika i spektroskoplya, v-13,.no.4, 1962, 550-553
TEXT: Samples of ZnS with various levels of impurities were
prepared by evaporation in vacuo as described in an earlier paper.
In order to facilitate diffusion and recrystallization, the
condensed samples were heated to 550*C while still under vacuum.
It is shown that the absence of luminescence in the case of
ZnS-Cu without an additional co-activator is associated with the
deposition of the copper in the form of colloidal particles.
The effect of two types of additionaljmjSurity is studied:
1) impurities which compensate the surplus charge arising
from the substitution of Zn2* by ions of Cu+ (e.g. Cl);
2) impurities which have the same valency as the ions in the
'basic lattice (e.g. Mn). The addition of small quantities
of 1-in to ZnS-Cu stimulates the green Cu luminescence together with
the orange Mn luminescence. The most intense green band is
obtained for a Mn concentration of 10-5 g/g eq. and the
Card 1/2

5/051/62/013/004/000'/023
On the role of additional E039/E491
intensity of both bands falls sharply when the Cu concentration
io-3 g/g eq. A comparison of the green band phosphor
ZnS-Cu,,Nin and ZnS-Cu,CI with the blue band phosphor ZnS-ikg,N,',n
and ZnS-AS,Cl shows that the additional impurity does not form a
constituent part of the lui-.iinescence centres but only assists in
the introduction of the activator creating the centres.
There are 3 figures.
SUBIMITTED; August 15, 1961
Card 2/2

VLASEHKO N.A
--
Influence of the temperature on the photoluminescence of ZnS--)ta
phosphor sublimate. Opt. i spektr. 8 no.6;W-854 Je 160*
(MIRA 13:8)
(Zinc sulfide) (Imineseenco)

SHKLYAR37SKIY, I.N.; jVIASI2IED_t ~I.A.-_MIWSUVSKIY. V.K.; NOSULXM, N.A.
Value and sign of the phase difference Azgp-SS. Opt. i spektr.
9 no.5:640-643 N 160. (MIRA 13: 11)
(Reflection (optics)) (Metals--Optical properties)

Ll. 12s-0 0
A1JTHORt Vlasenko, N.k
i
TITLE: Th~eEfffeet 'oemperature
Sublimated Phosphor ZnS-Mn
N
PERIODICAL: Optika i spektrosiopiya,
PP 1~14-417 (USSR)
69842
8/051/60/008/03/028/038
B201/9191
I
on Electroluminescence of a
1960, Vol 8, Nr 3,
ABSTRACT: The reported temperature dependences of electrolumines-
cence (Refs 1-7) are contradictory and, therefore, the
author undertook an investigation of the effect of
temperature on the properties of electroluminescerit
phosphors with the purest possible chemical composition.
For this purpose the author prepared ZnS-Mn in sublimated
form and studied its properties in the region 100 - 500 0K.
Below room tem erature measurements were carried out in a
special opticai cryostat. By using a heater in this
-emperature in it could be raised to 70 OC.
cryostat the Ak,
For measurements above room temperature the samples were
placed on a solid copper block in a special oven.
Card Temperature was measured with a copper-constantan thermo-
115 couple. A photomultiplier FEU-17 was used as a receiver.
It was connected to an amplifier and a galvanometer.

69842
3/051/60/008/03/028/038
9201/El9l
The Effect of Temperature on Electroluminescence of a Sublimated
Phosphor ZnS-Mn
Electroluminescence was excited with sinusoidal voltages
and hotoluminescence was excited with the mercury line
at 395 mp. The luminescence intensity above room
temperature was measured under steady-state conditions and
below room temperature it was measured while the sample
was slowly heated (1.5 deg/min). The author recorded also
the electroluminescence spectra at various temperatures.
From these measurements he constructed the temperature
dependence of the relative number of quanta emitted per
unit time under given conditions of excitation. Such
temperature dependences were constructed for photo-
luminescence (curve 4 in Fig 1) and for electroluminescence
excited with 200 kV/cm at 200 c/s (curve 2 in Fig 1) and
2000 c/s (curve 3 in Fig 1). These curves show that up to
about 200 OK the number of quanta emitted per unit time
(NINO) in photo- and electroluminescence remains constant
Card and at higher temperatures (up to about 250 OK) the value
2/5 of NINO falls slightly. Above 250 OK the photo- and
electroluminescence curves diverge completelyi the value

69842
B/051/60/008/03/028/038
E201/B191
The Effect of Temperature on Electroluminescence of a Sublimated
Phosphor ZnS-Mn
of NINO for electrolumineseence rises sharply with
temperature, while NINO for photoluminescence falls
rapidly. The rise of electroluminescence is accompanied
by a rise of current through the sample. It was also
found that an increase of temperature alters the
intensities of photoluminescence and electroluminescence
and bands are broadened (this broadening is proportional to
VY at T > 250 OK) . The integral luminance of electro-
luminescence (curve 5 in Fig 1) behaves similarly to the
value of NINO for electroluminescence, i.e. it also rises
strongly with temperature above 300 OK. The curve showing
thermal de-excitation (1 in Fig 1) has one maximum in the
region 130 OK which is due to excess atoms of zinc. No
thermal de-GYCitation (thermoluminescence) was observed If
the sample was not subjected to ultraviolet excitation
before heating. No resemblance was found between the
thermoluminescence curve and the temperature dependence of
Card electroluminescence (cf. curves 1, 2 and 3 in Fig 1). It
3/5 follows that the traps responsible for the thermo-
luminescence peak at 130 OK do not play any role in the

69842
8/051/60/008/03/028/038
E20l/Rl9l
The Effect of Temperature on Electroluminescence of a Sublimated
Phosphor ZnS-Mn
rocess of electroluminescence between 100 and 500 OK.
;
rom the logarithmic dependence of the electrical
conductivity on the reciprocal of the absolute temperature
(curve 1 in Fig 2) the author deduced that there are two
types of donor levels in the phosphor, whose depths are
0.11 and 0.38 eV. The observed temperature dependence of
electroluminescence can be explained on the basis of the
collision mechanism of excitation and thermal ionization of
donors which occurs more easily in the presence of a field.
At low temperatures the conduction electron density is
governed mainly by the shallow donor levels. In strong
external fields (--alOO kV/cm) these levels are completely
ionized even at low temperatures, I.e. the number of
electrons which can be accelerated by the external field
and can thus excite the activator centres by collisions is
independent of temperature and consequently electro-
Card luminescence is also independent of temperature. When
V5 temperature rises so that ionization of deep donor levels
becomes possible~ the intensity of electroluminescence
increases with temperature because of the increase in the

The Effect of Temperature on
Phosphor ZnS-Mn
69842
s/o5l/60/008/03/028/038
E201/El9l
Electroluminescence of a Sublimated
number of collisions which excite the activator centres
(curve 2 in Fig 2). The author investigated also the
frequency dependence of the electroluminescent intensity
at various temperatures (curves 1-L~ in Fig 3 show this
dependence at 105' 293, 360 and 41o OK respectively). On
increase of the frequency a noticeable rise of the electro-
luminescent intensity occurs at higher temperatures (curves
2 and 3 in Fig 1) because the number of donor centres
ionized in one half-period of the applied voltage decreases
on increase of the field frequency. For the same reason
the frequency dependence of the electroluminescent intensity
is altered on increase of temperature (Fig 3); this occurs
when the probability of ionization of deep donor levels,
made easier by the applied field, rises with temperature.
Card Acknowledgements are made to K.D. Sinellnikov, I.N.
515 Shklyarevskiy and V.K. Miloslavski fo-r-their advice.
There are j7igures and 9 references2 of which 3 are
Soviet, 4 English, 1 French and 1 German.
SUBMITTED: August 17, 1959

39869
S/051/62/013/002/003/014
E032/F,514 -
AUTHORS. Vlasenko,_N.A'., Miloslavskiy,V.K.-and Shklyarevskiy,I.N.
TITLE: On the origin of Brewster and super-position, frin-cres
PERIODICAL: Optika i spektroskopiya, V-13, no-2, 1962, 250-255
TEXT: The conditions necessary for the appearance of Brewster
fringes in white light and super-position fringes in monochromatic-
light are discussed in the general case with allowance for
multiple reflections within each plate. The two types of fringes
are carefully defined and the differences between them are
brought out. In each case an explicit relation is given for the
ntensity distribution. In the case of Brewster fringes, the
orresponding intensity-distribution formula is used to establish
a condition for the continuity of the achromatic fringe. In
fact the achromatic fringe is continUous (visual observation)
provided t 61,) > 2.5, where t is the plate thickness bLnd AVIJ is
the wave number difference corresponding to the spectral range
employed. The final section is concerned with the analysis of
Brewster fringes which are produced when a two-beam interferometer,
e.&. the Jamin interferometer, is crossed with a silvered plane-
Card 1/2

On the origin of Brewster and ... S/051/62/013/002/008/014
E032/E514
parallel plate. Analysis of the corresponding intensity
distribution shows the presence of several achromatic fringes
and it is suggested that these fringes may be useful in speeding
up the adjustment of two-beam interferometers. They may also be
useful in rapid-order counting an&the measurement of the thickness
of plane-parallel layers. There are 5 figures.
SUBMITTEDt July 17, 19.61
,Card 2/2

SM55
S/O 51/60/00?3/0 6/016/(M 4
Z #JP0 2201/1691
AUTEIORs Vlasenico. N40
TITIZ s The Iff act of Temperature on Photolumines cone* of the SublLuated
Phos phor US -Nn
PHRIODIG&Ls Optilca I spektroskopiya, 1960, Vol 8, Nr 6, pp 847-854 (USSR)
ABSTUM The effect of temperature on the absorption (Fig 1) and luminescence
spectra (Figs 2, 3) of the sublimated phosphor ZnS-Mn was
investigated between 100 and 5500K and the temperature dependence
of the relative quantum yield of luminescence us& obtained for
samples with amounts of MA from 0.05 to 5% (Figs 4, 5). The results
obtained more used to deduce the mathaniam of excitation of
luminescence contras, the nature of luminescent and radiationleas
transitions and kinetics of concentration quenching. Acknowledgments
are made to K.D. Sinalinikov, I.M. Shklyarovskiy &ad V.K. Miloslavskriy
for their advice. There are 5 figures and 18 references, 4 of vhich
are Soviet, 8 English, 2 Dutch, 1 German, 2 mix4d (Dutch, German
Card 1/1 aW Inglish) and 1 translation f rem English into Russian.
SUM TT2D s October 19, 1959

SIliEr '11TKOV, K.D, Af. V.LASMOj N.~..
C-)mmlox Interfetance lipht tillt4rx wlt)~, izprovad :hara!torIsti~i,
A:,
()-t. i aDektr. WIJU. 16:6)
(Light filterB) (Interference (Ltght))

f
4- !

-q
.~ ~ I 9~, ~,, ~ -
-

SIMMINIEDY, K.,D.; SMMYAREVSKOY, I.N.; YLASRAM, No
v *,~?P"O-.~
Optical characteristics of complez interference light filters.
Zhur.tekh. fiz. 26 mo.1:96-101 J& 156. (KLRA 9:6)
(Light filters)

VLASENKO, N.A.; FAVLOVA, Ye.N.
Role of additives in the formation of luminescence centers
In Znp6W phosphor. Opt. I spektr. 13 no.4:55pr-553 0 162.
(MIRA 16:3)
(Phosphors)

ACC NRt AP7004961 SOURCE CODE: UR/0048/66/030/009/1427/1429
AMOR: Vloseako.N.A.;.Vitrikhovskiy,N.I.; Denisova,Z.L.; Pavlenko,V,F.
ORG: none
TITLE: On the nature of the luminescence centers in cadmium sulfide /ifoport,Fourteenth
All-Union Conference on Luminescence (Crystal Phosphors) hold at Riga, 16-23 Septo
19657
SOURCE: AN SSSR. Izvestiya* Boriya fizicheskaya, v. 30, no. 9, 1966, 1427-1429
TOPIC TAGS: luminescence, cadmium sulfidev luminescence center, annealing, lattice
defect
ABSTRACT: The authors investigated the Influence of hent treatment In vacuum and in 1
sulfur vapor, cadmium vapor, oxygen, and hydrogen sulfido nnd the presence of Group I
and Group III doopants on the red, orange, and green luminescence of cadmium, sulfide
crystals and films in order to determine the nature of tho corronponding lurAnescence
centers. The crystals were grown from the gaseous phase by sublimation and synthesis,:
and the polycrystallino films were doponited in vacuum. Tho green luminoficenco ceriWea
were found to be thermally labile and It was not possible to produce them by any heat
treatment. These centers were more stable in a sulfur atmosphere than in the other
atmospheres; it is concluded that they are associated with local sulfur excesses in
the lattice arising during crystal growth. Group III doponts Increased the intensity
1/2

ACC NRz AP7004961
of the green luminescence and Group I dopants reduced it. The activation energy for
thermal quenching of the green lumineacence was found to he ).14 !~ 0.01 eV, Jn
ment with the difference between the width of the forbidden 4and and the onergy of
the emitted photons. The orange luminescence was enhanced bf anneal in an oxygen
atmosphere and depressed by anneal in other atmospheres. Fr)m this and the findings
of D.A.Kulp (Phys. Rev., 125, 1865 (1962)) concerning the aVects of electron bom-
bardment it is tentatively concluded that oxygen favors the .'lormation of interstitial
cationic defects in the form of singly charged interstitial oadmium ions, which are
responsible for the orange luminescenco. The red luminescenfjo was found to be en-
hanced by heating In vacuum or in a cadmium atmosphere and 1r, the presence of Group I
dopants; from these results and from other data in the literature it is concluded that
the red luminescence is due to recombination of an electron with a hole trapped at-a
sulfur vacancy, Orig6 arte has: I figure*
SUB OUDE: 20 SUBM DATEr none ORIG, RjW: 000 OrH RUI 008
Card 2/2

ACC NRs AP7004974 SOURCE CODE: UR/0048/66/030/009/1463/1466
AMORI. oqS*A&
DRG: none
TITLE: Polarization effects in electrolumincacent ZnS;Kn filmi /Report, Fourteenth
All-Union Conference on Luminescence (Crystnl Phoaphors) hold iit Riga, 16-23
Sept. 19657
SOURCE: AN SSSR. Izvostiya. Sorlyn fizichookaya, v.30, no.9, :.966, 1483-146G
TOPIC TAGS: electroluminescence, zinc sulfide, manganese, electric polarization
/- (,M1A10 PIIC?IV-
ABSTRACT: The authors have investigated polarization effects I.n 0.25 micron thick
lilms o9 a ZnS:Mn clactroluminophor between Sn02 and Al olactroden. The matallic
electrode was separated from the luminophor by a 100-150 A thick layer of SiO. it was
found that when a steady voltage is applied to such a cell it becomes polarized and
the luminescence intensity rapidly drops by a factor of about 100. The polarized
condition persisted for several hours when the cell was short c4rcuited, but the cell
could be restored to the unpolarized condition by irradiation with photons having
energies between 1.6 and 3 eVe When to a polarized cell there was applied a voltage
of the same sign as the polarizing voltage there resulted only weak luminescence, but
when a voltage of the opposite sign was applied, the initial luminescence flash was
brighter then that trom an unpolarized cell. The luminescence intensity (both of the
initial flash and in the steady state) was higher when the aluxinum electrode was the
Card 1/2

ACC NRt AP7004974
anode when it was the cathode, and the duration of the polarizLng and depolarizing
processes also depended somewhat on the polarity. The presenc-i of moisture reduced
the polarization and accelerated the depolarizing process. It is hypothesized that
the polarization is due to accumulation of free carriers at tha luminophor-electrode
boundary as a result of entrapment of electrons in deep traps. The ratio of the
polarization field to the polarizing field was evaluated as the ratio V2 - Vl)/V21
where Vl is the initial polarizing voltage and V2 is the voltage of the same sign thati
must be applied to the polarized cell to produce an initial flash of the same intensity
as the flash produced by application of V, to the unpolarized,call. This ratio was
found to be-~about 0.35 and to vary little with the magnitude tind sign of the polar-
izing voltage. The polarization effects provide a simple explanation for a number of
experimental facts,.including: 1) the low brightness achieved by application of
successive pulses of the same sign; 2) the strong influence ol a test pulse of oppo-
site sign on the brightness produced by the following ten to twenty exciting pulses;
3) the differences in the slopes of the voltage-brightness characteristics for
different types of excitation; and 4) the transition phenomena that occur when suc-
cessive pulses of alternating sign are applied to the unexcited phosphor. Orig. art.
has: .1 formulae 2 figures and I table4
SUB CODE: 20 SUBM DATZ: none ORIG, REP: 002, OTH REF; 001
Card 2/2

ACC NRI AP7004975 SOURCE CODE: UR/0048/66/030/009/1467/1469
AUTHOR: Vlasenko,X.A.; 7-frnI0,S,A,
ORG: none
TITLE: Investigation of the characteristics of low-voltage electroluminescent ZnS:Ya
films under pulse excitation /Report, Fourteenth All-Union Conference on Luminescence
(Crystal Phosphors) held at Riga,, 16-23 Sept. 19657
SOURCE: AN SSSR. Izvestiya. Sariya fizicheskaya, v. 30, no.9, 1966, 1467-1469
TOPIC T4',GS:, clectroluminescence, zinc sulfide, manganese, time constant, pulse rate,
I
0 ic brightaesG
AMTRACT: The authors have investigated the pulsed characteristics of thin electro-
luminescent ZnSMa films produced by the two-stage technique of N.A.Vlasenko and
Yu.A.Popkov (Optika i spektroskopiya, 8. 81 (1960)) in order to assess the technical
possibilities of those low-voltage electroluminophors. It woo tound that on appli-
cation of a 0.1 to 1.0 millisec square pulse the brightness would rise exponentially
with a time constant of about 0.3 millisec for the duration of the pulse and would
then decay exponentially with a time constant of 1.2 millisec. Experiments with an
equivalent circuit showed that these time constants are much longer than the RC con-
stants of the cell. It is hypothesized that the long time constants are associated
with the long lifetime of the excited state of the tin2+ ions, with carrier entrapment
processes, and with polarization effects. It was not possible to achieve a brightness
exceeding 5 to 10 nit with excitation by pulses of the same sign, but brightnesses
several orders of magnitude higher could be obtained by excitation with pulses of
Card 1/2

AUF- NK: AP7UU4975
alternating sign. The brightness increased linearly with the pulse repetition rate
for rates betwoen 20 and 1000 Hz and was proportional to the 8-th to 10-th power of
the pulse height for brightnosses below 20 nit. The dependence of the brightness on
ihe pulse duration for fixed height and repetition rate was more complex. It was
found that brightnesses of 10 to 20 nit could be achieved with 10 to 50 microsec
pulses of heights below 30 V and repetition rates from7100 to 300 Hz. It is concluded
that the investigated electroluminophors are suitable for use in sigtL indicators,
matrix indicator scroens, and other devices that do not require a duty factor higher
than 0,001. Orig. art. hau: 3 figurea.
SUB CODE: 20 SUBM DATE: none ORIG. REF: 002 OTH REF: 001
Card 2/2

ANTONOV, A.Ye.-, VLASENKO, N.B.
Distribution of phosphates and silica in the southern Baltic in
1957-1959. Trudy BaltNIRO no.7:70-77 161. (MIRA 15:2)
(Baltic Sea--Phosphates) (Baltic Sea--Silica)

------ "JA
i"Yll' 0
none
T:T i'*_7-' lnve:;tij-'ation of c"naracteriztics. of low-voltage clectro-luminescent Zr.S-'4n__
f` 'Uadcr pulzcd L:xCi'La;;i0i-'
SOU7CE: ZhurnLLI prikladnoy spektros?opii, V. 5, no. 1, 1966, .67-72
120:1170 TAGS: zinc sulfide optic =,ateriul, c1cctroluminescence, light excitution, optic
A;-.).'3'I:';L,CT :1ra:-,.much, a-z in most practical a-pplic.~tio.-.G f -Ims are
u~3ea unaer pul:;ud exc-itation conditionL;, the authors; the brightnesz waves,
ti:"'C constant of 1"Lz;-.ireocercc buildup and attunuation, and the dependence of the
avera-c bribr-htnezs of low-voltage ZnS-14a A1111;-,is on the duration of the voltage pulse,
t1ne frequency, amplitude, and polarity in the case of rectangular pulses. The ZnS.Mn
fil:m was produced by a method described earlier (Opt. i zpcktr. v. 8, 81, 1960) an
-i electrode,
nlaccd betweer. a transparent electrode (Sn02 or In2O3 ) and an aluninuL he
~a-z-ter be4n- separated from the ZnS.,""n by an insulatin- SiO layer. '~.'he tests were mad
to IG-3 cn2
on unit cells ranging in area from 0.5 A flash of brightness was ob-
served when a unipolar pulse was first applied to the sample, or when the polarity of
Cord 1/2 UDC: 535-376

i. o906-67
ACC MR:
AP6027901
the pulses was reversed. T.-Ie averaf~e bri,-ntness of the electroizz--inescence was found
to increaze appreciably on going from unipoiar exciting pulse,-, to alternat ting pulses.
I The use oil alternating pulses made it possible to obtain an average brightness not
0 X
.lo-wer than 15 -- 20 nit at a pulse amplitude 21 30 V, pulse duration z 20 psec, and a
ition frequency > 200 cps. An equivalent circuit of the elect ro-IlLmine scent eel
,repet Ili
;is used to explain the kinetics of the clectro-lumineseence and the values of" the
coulvalent-circuit parameters are evaluated. The electro-luminescence buildup ti,-,.c
1was approximately 4 X 10-4 Sec, and the decay 'time was 1.2 x 10-3 sec. The values were
much larger than the tire constant of the equivalent circuit, from which it is deduced
that t1ric growth time of 'the elect ro-luminescence in the films is connected with the
dur"-tion of the excited state of -the Mn2+ ion, and not with the capture of the carriers.
It iz; concluded zhat -the phtosphlor ZnS.r~n can be successfully used in many electro-
;l-,zr.incsccnt devices which do not require very large oT 'A-duty cycles (in different
;caaracter-diizplay natrix screens etc.). The authora than% V. 1. Kislyuk and 1. Yu.
.~_- r "nelp with the experiment and Doctor of Phyro-rcal X hematical Sciences 14.
Shabli, ~o
P. Lisitsa for interest in the work and a discussion of the results. Orig. art. has:
_-an
uu~iez d 4 formulas
SUB CODE; 20/ SUBMI DATE: 18Feb65/ OBIG Mr. 002/ OTH REP: 001
Car-d 2/2

PALKINJ A.P.j XOROTKIKH, G.G.;_V1ASENKO,_N.B.
. Interaction in the systems: GdC12 - ZnC12 - Al and CdCl - Tlbl - A.I.
Zhur. neorg. khim. 5 ub.3:637-641 Mr 160. (AIFU 14:6)
(Cadmium chloride)
(Zinc chloride)
(Aluminum)
(Thallium chloride)

VLABINKO, Hikolay Dmitriyevich; FISHMAN, Yakov Hatanovich; BMMLYANSXIY, V.A.,
- redaktor
[Mechanization of threshing operations] Mekhanizatoiia rabot na
tokakh. Moskva, Goo, lzd-vo selkhoz. lit-ry, 1956. 91 p. (mLRA 9:11)
(Threshing)

VTASINO, N.D.. inzh.; RALITSSV, Yu.I., inth.
Pneumatic belt-type grain cleaning macbins. Trakt.1 sell-
khosmanh. no.10:31-32 0 '59. (MIRk 13:2)
1. Vaerouslyokiy nauchno-loolodovatel'okiy inRtitut inalchani-
sateii i elektrifikateii sellskogo khozyaystys.
(Grain--Cleaning)

VLASENKO, N. D.
4650. VLASMEO, N. D. i FISHCFYM, Ya. N. 14ekhanizatslya poslevborochnoy obrabotki
zerna v borisovskom zernosovkchoze Omskoy Oblasti. Mf., Izd.--,ro 11-va ssoulkhozov SSSR,
1954, 44s. s. 111. (54-58o68) p 633-1:631.36(57-14)
SO: Letopis' Zhrunall nykt Statey, Vol. 7, 1949

VLAM~99,14-1,(-KiZev)
Raising the qualifications of public health s7stem organizers
without discontinuance of work. Vrach. delo no.6:133-134 Je 162.
(PUBLIC IMTH AEMINISTRATION)

STRUYEV, I.A.;,VLASENKO, N.I. (Kiyev)
Toward better training for public health organizers. Vrach. delo
4:M-125 Ap 162. (PUBLIC 1EALT11 ADMINISTRATION) (MI--~A 151:5)

VLASKSKO, N.K.; PANCHENKO, A.A.
In reference to A.K.4sklila article "Causes of priming of boiler
water in the Shpanov Sugar Factory." Sakh.prom-31 no.9:51-52
S '57. (MIRA 10:12)
1. Ukrgiprosakhar.
(Feed water)

VIASE
Role of herds in zooprophylaxis of malaria in cattle drives in the
Baraba Lowland. Ked.paraz. i peraz. bol. 26 no.3:336-339 Ky-Je '57.
(Knu 10:11)
1. 1z kafedry obahchey biologii Novosibirskogo meditsinakogo
instituts.
(MALARIA. prevention and control,
in cattle breading (Rus))
(CATTIM,
prev. of malaria in cattle breeding (Rus))

VIASMO. N.14.
the development of eado- and exop~llic stan"rds of
behavior of gono-active Anopheles maculipennio messeae females in
the Baraba lowland. Ned.paraz. i parez.bol. 26 no.4.,436-439
Jl-Ag '57. (MIRA 10:11)
1. Iz kafedry obahchey biologii Novosibirskogo meditain8kogo
institute (dir. institute - prof. G.D.Salesekiy, zav. kafedroy
X.M.Vlaaenko).
(MMqUITONS,
Anopheles maculipeanis, role of behavior of females in
eradication (Rua))

VL /9 S jAlH, e tv
USSR Zooparasitology. M1teB and Insects. G-4
Carriers of Disease Agents.
Abs jour: Ref Zhur-Biol., No 20, 1958, 911M.
Author Vlasenko N M.
even
Inst
Title The Part Played by Cattle Herds In Malarial Hygi-
-he Pasturage System of Livestock Rais-
enics Where t
ing is Used in the Barabinsk Lowlands.
Orig Pub: Med. parazitol. I parazitarn. bolezni, 11057, 26,
No 3, 336-339.
Abstract: In the Barabin3k lowlands two methods of raising
driven livestock are used. In the first method,
the dairy herds graze about the steppes far from
the field camps. These field camps are separated
and at a considerable distance from one another;
the crevis are usually located near a source of
Card 1/3

USSR / Zooparasituology. Mites and Insects. G-4
Carriers of Disease Agents.
Abs Jour; Ref Zhur-Biol., No 20, 1958, 91106.
Abstract: water supply, which becomes subsequently the breed-
ing place for Anepheles larvae. Hungry gonoactive
females assemble in the habitations of the workers
where they attack human beings during the early
evening and in the daytime, a long time befo-re the
herd is driven back home and the period of maximum
mosquito activity is reached. After the herd is
driven back for milking, the mosquitoes mainly at-
tack the animals. Under these conditions the con-
tact between human beings and mosquitoes becomes
more frequent. The precipitation reaction shows
that mosquitoes with human blood in their stomachs
total about 21.5 to 31.3% and only in rare instances
7.5 to 9.8%. According to the second method the
dairy herds, heifers and milk-fed calves graze on
Card 2/3 45

USSR / Zooparasitology. Mites and Insects. G-4
Carriers of Disease Agents.
Abs Jour: Ref Zhur-Biol., No 20, 1958, 911o6.
Abstract: adjacent pastures; the heifers are kept at night
in covered sheds near the field camps. Th-e dairy
herd grazes day and night on the pasture at a dis-
tance of 3 to 5 kilometers from the field camp.
The working crew quarters are located flush on the
grounds of the general field camp. A greatly atten-
uated contact between humans and the Anopheles is
then brought about by the mosquitoes being diverted
by the cattle herds kept at night in the stalls.
Under these conditions mosquitoes having human blood
in their stomachs total about .3 to .6%. The ef-
fect of the correct organization of pastureage on
the incidence of malaria is analyzed. -- N. Ya.
Markovich.
Card 3/3

V L SF Al""-)j ~V ~ I-r"
-USSR / Zooparasitology. Mites and Insects. G-4
Carriers of Disease Agents.
Abs Jour: Ref Zhur-Biol., No 20, 1958, 91093
Author :-~L~-,e
Inst : Not given.
Title : The Degree of Development of Endophilic and Exophilic
Behavior in Gonoactive Females of Anopheles Maculi-
pennis Messeae in the Barabinsk Lowlands. .
Orig Pub: Med. parazitol i parazitarn. bolezni, 1957, 26,
No 4J, 434-439 ores. Eng.)
Abstract: The degree of exophilia in Anopheles maculipennis
masseae mosquitoes as well as the possibility of
their contact with human beings were studied in
localities where the livestock is driven out ~Ylto
pastures, in those sections of the Barabinsk 11-W-
lands which are well supplied with water and are
Card 1/.4

Z'
!
:SSR / Zooparasitology. Mites and Insects. G-4
Carriers of Disease Agents.
Abs Jour; Ref Zhur-Biol., No 20, 1958, 91093
Abstract: thinly populated. The mosquito hunt was carried
out on roads used by herds of cattle, on pasture
lands and near the sites where the herds are sta-
tioned in the evening and at night, usually situ-
ated far from villages and at a distance of 1/2 to
2-1/2 kilometers from f--,eld stands. The main mass
of mosquitoes collects during the daytime in places
occupied by cattle and in the dwellings of workers.
Only very few females were found In natural shelters
nedr the herds. No Anopheles larvae were discovered
In reservoirs near the cattle pastures. An analy-
sis of the stomach contents of mosquitoes caught
in barns, cattle sheds, huts and houses disclosed
that the main mass of mosquitoes feeds on farm ani-
mals (68.36 to 99.5%), but that they use buildings
Card 2/'4 42

USSR / Zooparasitology. Mites and Insects. G-4
Carriers of Disease Agents.
Abs Jour: Ref Zhur-Biol., No 20, 1958, 91093
Abstract: as their shelters. A small exophilic population
of Anopheles m. messeae was found in 1950 close
to those places where cattle were stationed in
holes near tree roots and in brushwood. The main
mass of mosquitoes consisted of females with fresh
blood. The average age of the exophilic population
was younger than in females of the endophilic popu-
lation. In the first instance older females amoun-
ted to 5%, while in the second instance they amoun-
ted to 21%, which is a proof that the natural
shelters are less favorable and that the mortality
of mosquitoes living in them Is considerably higher.
The temperature in natural shelters is lower than
In buildings, especially at night when the temper-
CD
ature difference reaches 5 to 70C. The author also
Card 3/4

,USSR / Zooparasitology. Mites and Insects.
Carriers of Disease Agents.
I.sbs Jour: Ref Zhur-Blol., No 20, 1958, 91093
P,-4
Abstract: noted an absence of exophilic population In other
sections of the Barabinok lowlands. -- N. Ya.
Markovich
Card 4/4
43

Tlasenl:6, ZT.
IlThs-, ecolo-ical, re~iuircments for th,~ -n(-! 7--rophylr!xis
cl
of mnlaria i,n tho Barnba
of lly,-Iene, ll-'Iicrobiolo~-_-7, and .~Crnd lef-ld Sci Uf-"F)P.
ree octo- 10- i cAd
X,oricow, 1.956 (DisserVition 'or th-.~ de,- in Ilio
Scionnes
lrni7.hnaya leto7)is I
No. 25, 1956. Moscow

VLASMIKO, N.S. arkhitektor
.-Y
Choosing a model and locating dwellinj~s for construction workers at
a district thermal electric station. Trudy Ural.politekh.inst.
no.109:48-52 161. (MIRA 14:7)
(Electric power plants) (Dwellings)

YLASINKO.N.Y.
I -- . - - , , -, - -.- - -,; '' .
Longitudinal and torsional vibrations in drill-pipe columns. Nauch.
sap. LMA Vviv.fil. AR URSR no.1:61-76 '53. (MLRA 8:11)
(Oil well drilling)

ol"142, G-jt~snt. T, P. Wln V. I., 04e;!i6evsky, Y. T., ang
A i, j,:?tf) fcr fu cc

VLASENKO, Nikolay-Vasillyevich, kand.tekhn.nauk, dotsent
Study of the performance of a slide contactor in transformer oil.
Izv.vya.ucheb.zav.; elektromekh. 5 no.10:2195-U97 162.
(MIRA 15:11)
1. Kafedra, elektricheskikh mashin LIvovskogo politekhnicheskogo
instituta.
(Electric motors.. Direct current)

112-3-5743
Translation from: Referativnyy Zhurnal, Elelrtrotekhnika, 1957,'
Nr 3, P.99 (USSR)
AUTHOR: Vlasenko, N.V.
TITLE: Theoretical Principles in the Experimental Determination
of Heat Transfer -Coefficients in an Electric Machine
(Teoreticheskiye osnovy k eksperiments,11nomy opredeleniyu
koeffitsiyentov teploperedachi v usloviyakh elektricheskoy
mashiny)
'
PE~ODICAL: Nauch. zap. Llvovsk.
politekhn. in-ta, 1955, N_r 34,
pp. 161-175.
ABSTRACT; The problem of experimental determination of average
heat transfer coefficients in existing machines is stated,
and a technique for computIng overheating is proposed.
The heat cycle Is Bet up, and.thevalues of specific
thermal resistance are determlYied depending upon the
machine geometry, heat emission coefficient and type
of ventilation (axial or radial). The resulting specific
thermal resistance is determined; the application of the
results obtained are considered for thermal design of
machines with a nonsymmetrical distribution of the-heat
flows along the axis of machines and for long machines
Card 1/2

112-3-5743
Theoretical Principles in the Experimental Determination (Cont.)
with sectionalized ventilation. The application of the pro-
posed technique to e.,cperimental determination of the heat
emission coefficient in a machine is discussed. A.I.M.
ASSOCIATION: Llvov Polytechnical Institute (Llvovsk. politekhn.
in-t)
Card 2/2

BARDACHEVSKIY, V,T,; VELICHM, Yu,T,; VLASEIMO, N.V.; GUBENKO, T.P.;
DRYAXMDV, A.I.; KARANIZYICVI'r.139*',---'KiintSHIN, L.V.; MAKSIMOTICH,
N.G.; SOKDLIZIITSKIT, G.Z,
M,G, Liukov, Izv. vyse uchabs zave; energ. no.5:127 MY 158.
(Liukov, Mikhail Grigorlevich, 1915-1958) (MIRA,41,1:8)

L 38 476-56, -EVT ( I
ACC NRz AR6017225 SOURCE CODE: UR/0058/65/000/012/BO11/BOll
AUTHOR: Vlasenk2,,,P?. V., ,Panteleyeva, N. L.; Senik, V. I.
TITLE: The potential on the axis of a conducting disk with a concentric hole,
excluding the edge effect
SOURCE: Ref. zh. Fizika, Abs. 12B125
REF SOURCE: Tr. po teorii polya, vyp. 1, 1964, 55-58
TOPIC TAGS: disk, edge effect, charge distribution, electric potential, charge
density
ABSTRACT: The problem under consideration is the potential of the axis f a conductLrig
disk with a concentric hole excluding the function of the electric-char~! distributirZ'I'
on its surface when the surface density of the electrical charge is assumed to be
constant. (Based on authors' abstract] AM]
SUB CODE: 20/ SUBM DATE: none
Card

L
AR~017226 SOURCE COnE- UR/0058/65/000/012/BO11/BOll
ATj7HOR: Vlasenko, N. V.; Senik, V. 1.
TITLE: The potential on the axis of a conducting disk with a concentric hole, taking
the edge effect into account
SOURCE: REf. zh. Fizika, Abs. 12B126'
REF SOURCE: Tr. po teorii polya, vyp. 1, 1964, 59-63
TOPIC TAG3. conducting disk *edge effect, electric potential
ABSTRACT: The problem under consideration is the otentia.1 on the axis of a conductng!
disk with a concentric hole in consideration of the edge effect. [Based an authors
abstract]
SUB CODE: 20/ SUBM DATE: none
i Card -i /i

VIASMO, 0.1e, dots.
; W.LZ -
rtbain errore that students make in their mathematia at-idles and
methods for their correction. Nauk. zap. ChIDPI 11049-357 157.
(Mathematics-Study and teaching) (MIU 11:5)

VLAS---Jflio~ 0.1.; LEV:-'HENK-0, G.V.; M~REK, B.A.; TEODOIZOVI(~H, O.K.
bafec t3 of ce ra -,,lIi --, 41al I ungs t,,~n-nj Cke Ir c ~a,7 ? . t.
I ','
5 r,,o.6,:1)4--lrj4 j'6 165, ~M-LRA 18:8)
1. institut nrobl!amrra'kc-rialovL-,rfe-iiya AN 1fIcr&")Ft.

-66 W(k
/DIT W /711.1p W bomp ( 0IJP(C) IJD/~~JJG
ZC NRj AP5013252 .63OURrE CON,: UR/0226/65/000/005/0058/oo62
AUTHOR: Teodorovich, 0. K.; Levchenko, G. V.; Xlaseriko, 0. L. 1.115'
ORG: Institute of Problems of the Science of Materials, AN UkrSSR (Institut problem
materiZovedeniya AN UkxSSR)
TITLE: Effect of silicon in the molding and properties of tungste -nickel-coppe
contacts IVI -~ -7
SOURCE: Poroshkovaya, metallurgiya, no. 5, 1965, 58-62
TOPIC TAGS: silicon containing alloy, tungsten containing alloy, copper containing
alloy, nickel containing alloy, electric conductivity, tensile strength, specific
resistance, powder metal molding
ABSTRACT: It was found that small additions of silicon in copper (up to 1%) improve
the process of impregnating tungsten-nickel-copper contacts, and eliminate waste
due to pores and cavities caused by the reducing effect of silicon and increase in
the fluidity of copper. The electric conductivity, hardness, contact resistance,
and tensile strength of tungsten-nickel-copper compositions change slightly on
introducing small additions of silicon into copper. This is best done by im-
pregnating tungsten-nickel-copper blanks in previously silicated graphite molds.
Orig. art. has: 6 figures. [Based on author's abstract.)
Powder Metallur
SUB CODE: 3-1/ SUBM DATE: 20Mar6h/ ORIG REF: 003/
Card 1/1 V,-g

GRUSHKO. Y~.Me; DIKU71, P.P.; SHABAD, L.H.; RUXAVISHNIKOVA, T.I.; ZAK, L.M.;
VIASH11KO, O.M.
Comparative study of air contanination b a cancerogenic substance
(3.4-benzopyrene) in Irkutsk andAngarok [with summary in Znglish].
Gig. i san. 23 no.4:7-10 Ap 1,58. (MIRA 11:6)
1. rz kafedry obahchey giglyarq Irkutskogo meditainakogo institute,
l,qboratorii eksperimentallnoy onkologii Instituts onkologgii AMN
SSSH, Irkutskoy oblastnoy sanitarno-epidemiologicheekoy stant8ii t
Irkutskogo energeticheskogo upravleniya.
(AIR POLLUTION, determ.
by 3,4 benzopyrone in sampling of snow flakes (Rue))
(BENZOPYRIOM. determ.
3.4 benzopyrene in sampling of snow flakes in air
pollution determ. (Rue))

VLASBKO,, Petr Ignatlyevich; TEPLYAKOV~ G.V.., red.; IT40,S)IIEVSKAYA,
-.. - - - A.A... tekhn. red.
[Lofty initiative] Krylatyi pochin. Donetsk, Donetskoe
knizhnoe izd-vo, 1963. 49 p. (MIRA 16-12)
1. Sekretart Chistyakovskogo gorodskogo komiteta Kommunisti-
cheskoy partii Ukrainy (for Vlasenko).
(Donets Basin--Coal mines and mining-Technological innova-
tions)

1; 15647-63
S/0286/63i'000/002/0026/0027
ACCESSION HR: AP3000840
AUTHOR:, Li~_~Lnshuk, H. D. Wasenko. P4 I.; ~'pi:arenko, 0. K.; TkzAchen~*,, V. A.;
Prosvftiii, A7. H.
TIIU: Installation for klectron-be Weldin of tubes idth tube panel$.
~a we
Class H 05b; 21h, 30 sub 10, Noo 152714~1"
SOURCE: Byul. isobreteniy itovarnykh tnakov, no. 2, 1963.~ 26-27
TOPIC TAGS: elekctron-beam wlding, automatic program coixtrol, welding
ABSTMM.- Installation for alectron-bean welding of pLpe with pipe panels,
containLng an electron-beam welding gun with magnetic deflection system, a
.rotating table for fastening and rotating the work piece during the welding
process, and an automatic control system for sequential operation of individual
tiechanisms; its distinguishing feature is that in order to automate the welding
process, tho table is provided with two land screws with a drive system for
moving the article in two mutually-perpendicular directions when It comes time

L 2.5647-63
ACCESSION NEt: AP3000840
-t* weld the next tube, and the con trol system contains a pro gram unit with rela
elements for automatic control in accordance with a program recorded an a
punched tape or some other program carrier. OrLg. art. bas: I figure (s*G
Enclosure 1). Abstractor's note: complete translationj
ASSOCIATION: none
SUBKTMD-. 11 Sept 61 DATE ACQ: 28 MAV.6S RNCL: 01
SUB CODE: MD, ML NO REP SOT: 000 000

Card

tar_ I :K - -11,~!~~~---~---L-ll~Vlt~)nu~-~lali-lz"_"i-_~e2
MEEMIM
C-7 r7
DATMMKO, M., doteent. iepolnyayushchiy obyazannost' taveduyushchego; OUXENKO,
P.K., kandidat meditsinskikh nauk; vusmo. Pa.. airektor.
Pathogenic therapy of trigeminal neuralgia. Stomatologiia no-3:30-36 '53.
(MLRL 6:7)
1. Kafedra khirurgichaskoy stomatologii Miarlkovokogo maditainskogo stomato-
logicheskogo instituta (for Datsenko and Guzenko). 2. Kharlkovskly medi-
tainakiy stomatologicheskiy inatitut (for Vlanenko).
(Trigeminal nerve) (Neuralp
gia)

VLASEUKO, P. V.
"The variability of diphtheroids in association with
ataphylocci.11 Min Higher Education Ukrainian SSR.
KharIkov Order of Laboi Red Banner State U imeni
A. M. GorIkiy. Khar8kovs 1956. (Dissertation for
the Degree of Candidate in Biological Soiences).
SO: Knizhnaya letopis'. No. 16, 1956

VIA ~iEIIKO. ?. V.
5*1 1
?sthogenic role ,)A' diphtheroids. Vrach.4alo no.9:951-953 157.
(HLRA 10., 9)
1. -Kaferlre biol-o 'git t kafedra mikrobtolVgit Khvr'kovsk-3R:o
maditqinskogo inotituta
( X, C. Ti I j~ j R i CGN N I C )

A
-4
.1d"bes Pathogenic for Man F
USSR / microbiology. tv'
and Animals. Aacteria, Root Bacterlas
Abs Jour! Ref Zhur-'Biol L) 1958.. No 17.. 76809.
Author : Vlasenko P V
Inst : No~v
Title - New Pathogenic Varieties of Diphtheriods.
Orig Pub: Vrachebn. delo.. 19571 No 10, 1043-1046.
Abstract: The changeability of 2-2 avirulent strains of
diphtheroids (D) in association with 6 virulent
strains of Staphylococcus albus and St, aureus were
Investigated In vitro, Of the 22 strains, 13 be-
longed to Corynebacte Ium hoffmani, and 9 were
not identified with any of the species of D des-
cribed. Associative cultivation of D and staphylo-
coccl (S) were conducted BPM with serum with pH
7.6 for 1-1/2-2 months at 37C without subculturing.
Card 1/3 NIt
lel"'~ ;'?, --j--cr

USSR / Microbiology, Microbes Pathogenic for Man F-4
and Animals. Bacteria. Root Bacteria.
Abs Jour: Ref Zhur-gfol.,, 1958, No 17., 76609.
Abstract! As a result of combined growth with different
strains of S, the strains C. hoffmani almost did
not change, but all remaining strains of D sharply
changed morphologically, tinctorially and cultur-
ally in the direction of Identity with the diph-
theria rods. Pigmentation of columns of D changed
according to the pigmentation of the columns of S
of the associate (induction). The antIgenic struc-
ture of D, by changing, attained antigenic proper-
ties corrinon with S. The changes of D appeared In
a determined order., but the degree of stability
depended on the length of the association. After
the combined growth with S for 30-45 days, the pro-
perties attained by D were Inherited in many gen-
erations kept in a pure culture for 8-10 months.
Card Z/3
5Z

I USSR / Ficroblology, Microbes Pathogenic for Man F-4
and Animals. Bacteria, Root Bacteria.
Abs Jour- Ref Zhur-Blolik 19580 No 17, 76809.
Abstracts With intracutaneous introduction in rabbits, 11
of the 12 changed D's caused local suppurative
inflammation,, -- M. Ya, Boyarskaya.
Card 3/3

Y", inzh., reteenzent; PILIPE14KO,
SOLOKKA, Yakov Pedorovich; V
YU.P.) inzh.) red.; GORNOSTAYPOLISKAYA, M.S., tekhn. red.
(Mantffacture of bimetallic parts] Froizvodstvo dvukb--Ioinykh
detalei. Moskva., Mashgiz, 1962. 116 p. (MIRA 15:4)
(Metalwork) (Laminated metals)
,.I -'~'
'-I

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tt

ptsesofsUas of wwd IvbmAWq P,
Nautk..rkk. Kowleowbii P,
Afti'd
41
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S/739/60/001/000/015/015
EO2O/E185
~'AUTHORS: V_1ase_nko_.___S_P_._ Candidate of Medical Sciences;
KheXfets, Yu.B., Junior Scientistj and
Chil-Akopyan, L.A.,
-TITLEt The effect of ionizing radiation'upon.oxygen
consumption and certain aspects of carbohydrAte
metabolism
.SOURCE: Akademiya nauk Armyanskoy SSR. Sektor radiobiologii.
Voprosy radiobiologii. v.i, ig6o, igi-196
TEXT: An investigation was made of 'the e,ffects of insulin and
X-4rradiation given singly or in combination',--upon the oxygen
.consumption, blood-sugar level and glyqogen content 'of the
.1eucocytes in rats. Exposure to 600 r was followed by a fall in
all these quantities, which attained minimum values after 1.,5-3 h.
A return to normal levels occurred after 24,hours. In animals*
.given a single dose of insulin w 'ithout irradiation the blood sugar
and oxygen consumption fell similarly, but a.rise in glycogen
:,con,tent of the leucocytes occurred after hours and persisted
.1
:for 24 hours. The combined action of insulin and irradiation did
iCard 1/2