SCIENTIFIC ABSTRACT KOZYREV, B. P. - KOZYREV, N. A.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R000826010015-8
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: December 30, 2016
• Document Release Date: June 19, 2000
• Sequence Number: 15
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

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T x pre-:3~n- 'h,~ rt~z,ji~i3 ~f measuring lndl;cad .-~.rrent arltt~,.n
i r :u I 'i rs~ i f I or I fis a re fili c f ~jrnt a rj I ng I ~iuvfa- ~, w,, t1i
2 14 V,~v ele~' ,r~n~. were :arrie-] cat for re:-.ifier phota,:ells made
cf Gei S! C-,;,Ta, The authc~ri! =,ve-ettgated derends.-.--e cf Mdu-~ed 3urren-, on *--sm-.
'Caraing --terg, , v.~1,5ge ap~'Ia~ ard in cx-ren, Intpnsity
In ~ht~ L~,m:qr-- irg el-trm neem, I t Is so-wn ',ha*. -*nd,,i!:,ed c-.irrent rlZes slvarp.v
vii*li in-.rea-=ing Energv of' bamtard,-ng elestr--ns, kev) th~
(at energy 1L
va]lues -mx~e~~,-Org or 3 ra.rde:z :~f magni-alc- !-he 10:~Tbar-JT~n- n-urrp:v~. 1, rl2e-z
al.~:c W-h V.-It-age d~pli-~-d t.o eitjc,~r..-dc-2 a-nd Cur-
ren 1. ~ A r-1Ia,!cn be-Meen ind=ed ~urrenl and fr,:quqncy of p-.i4~se:4, e~-f bcmtart-Lent
c'.~rren*. f-dithin ~iA -anze fr:m 0 o'..15CO cpF) was ct'alnczd, F:-eq~-it'n--y chara-,,~?ris-
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30a!8
S/194/61/000/007/034/079
D~01/005
AUTHORS: -Kozyrev, B.P. and Sozina,
TITLE: A study of germanium photo-resistanccs
PERIODICilL: Referativnyy zhurnal. Avtomatika i radioelektronika,
no. 79 1961, 24, abstract 7 G155 (Izv. Leningr. elek-
trcitekhn. in-ta, 1960, no. 44, 106-118)
TEXT: Basic parameters and characteristics were determined of
germanium photo-resistors OC (FS), cut out of monocrystals of n-
and p-type germanium. The wafers had various P and are of 12-100
MM2 and a thickness of 0.23 - 0.43 mm. and were cooled by liquid ni-
trogen. The following were determined: Volt-ampere, light, spectral,
frequency and temperature characteristics. The dark resistance,
sensitivity andother parameters of those photo-resistances were also
determined, all at temperatures of 290, 90 and 770K. It was found
that germanium photo-resistors have quite a high sensitivity at room
temperlatures, reaching 0.1 a/lum. or ^, I amp/watt at E = 100 I-ax
Card 1/2

30118
S/194/61/000/007/034/079
A study of germanium... D201/D305
and U S! 8 V. They exhibit also a smaller inertia in comparison with
other types of photo resistors and must have heat ainks because of
considerable dark currents. A study has also been made of germaniuin
photo resistors with accurately knovni impurities, when cooled to
900K. The photo resistive samples were prepared of high resistivity
rL-type germanium with Sb and Sb-Au doping. 17 references. Z7Ab-
stracter's note: Complete translation.2 ~X
Card 2/2

I /Cl
--I ~' ~~O
A(';O I/A 101
AU111CORS Khrlsanf'ova., L-F,
A va~uuir-'-ght Joint
AL:, Refera~.Ivnyy zhurnal, Fizl?a, nc~, (-Z12y.; ("i'v.
L~-ningr. elek-lrotekhn. in-31', 1940, nc, 41-, 119
1-12)
I EXT - ~,'he authors describe ~he results of lnvestLgating "he 1 *igh'~neBs of
i
jointc cbtained aS a rc~ault of gluing by epcxy resln-q of glass wth glass and
glas& wlth crye~all'-nc- m-a-erials (KBr, KR-S-5, etc", Epoxy reiiin ~,E, -6 (ED-4-)
af-.er degaA-~-Ing was mix-~d with a hardener in the form of tri-.han.~Iamine in a
weight ra:~-!,--, of 1021 a*. 7000, and the spo, t-- be glued was pasted with this m-lx-
ture. Lqakag~- through the join!% waz checked with a radlatllz~n t.her-mcelement.. it
was dl=covered that epoxy resln aeiured an ext,finded pre serva +Aon cf h-'gh vacu'.Im
In jzlF-1=-=-glas-= provIded tha-. the glued seam hai bc-er. hea-.ed at. 1200C., Seams
formed at gluing with eroxy resin of op~iniriggs lin Or and K213-5 W-'--h 9-11a3g P'-3seE-a
a high me~,hanjraj s--rpngth, Io av,-)Id KBr 'nerLay~irs cf AgC1 or Dur-
were used. Seam hFI-31-1rg a-, a of i20011 ',~- nf--,:-,?z-zaLry elnz, I-,
thi--4 case tD a3s-ar~, a gocd tigh~ne~-?. nere are IC rF-feren,-es-
FAL-stract,er's n,--)te Cccmplete
Car-i 1/1

31870
8/123/61/000/024/012/016
'00 AOOVA101
~4-4 3
AU7rfOR- Kozyrev, B. P.
TITLE: Basic relations for the radiation method of temperature determina-
tion
PERIODICALt Referativnyy zhurnal, Mashinostroyeniye, no. 24, 1961, 18, abstract
24EI02 ("Izv. Leningr. elektrotekhn. in-ta", 1960, no. 44, 133-142)
TE)T., If the radiation method of temperature measurements is used for
remote objects, itk is necessary to determine the basic relations between the
temperatures of the object being measured, background and sensitive element of
the measuring device. These relations are determined for compensated thermo-
elements with Identical surfaces, blackened on one and polished on the other
side. The optical system of the device is a concave mirror with a metallic
reflecting layer. The author derived a formula for calculating the dependence
of the temperature difference between the active and passive layers on the
object and background temperature, on their radiation coefficient, parameters
of optics, atmospheric transmission, loss ratio In the radiation thermoelements.
Based on an analysis of these relations, conclusions are drawn on an expedient
Card 1/2

P
S / ?21i
1~91/000/024/012/016
Basic relations for the radiation ... AOOVA101
design of radiation thermoelements. Taking into consideration the special
.Leatures of using radiation thermoelements for the measurement of very remote
objects, the author recommends to use (NOY (FEFOU) Instead of galvanorters,
which ensures a sensitivity of 2 , 10-9v, which corresponds to 3 - 10- degrees.
If a mirror with 20 m focal length and radiation elements with very small
surfaces - 0.3 x 0.3mm- are used, the sight area diameter amounts to approximate-
ly 7 m. in this case It is possible to distinguish local temperature variations
of the order of 10C. The radiation elements developed by LETI were used to
investigate the temperature distribution on the Moon surface. There are 10
references.
M. Kayander
(Abstracter's notem Complete translation]
Card ?/2

KOZYREVP B.F., doktor tekhn.nauk, prof.; VEI(SHININ, O.Ye., k+A.tekhn.nauk
Determination of the spectral diffusive reflective capability of in-
frared radiation. Izv. LETI no.45:147-158 161. (MIRA 16:5)
(Heat,-Transmisaion) (Infrared rays)

20874
AUTHORSs Kozyrevs B.Pot
s/o5i/61/010/005/003/oo6
E032/E114
and Kropotkin, M.A.
TITLE: A Study of Spectral Reflection Coefficients of the
Coatings of Thermal Radiation Detectorm in the Wave-
length Region 10 - 200 ~t
PERIODICALt Optika i spektrookopiya, 1961, Vol.10, No.5,
pp. 657-662
TEXT: A description is given of an apparatus for measuring
the diffusa reflection coefficients R of various materials in
the wavelength range 10 - 200 p. The reflection coefficients are
of interest because infra-red radiation detectors are usually in
the form of, say, a metal foil which is blackened in order to
increase its absorbability, and the properties of this coating
determine both the spectral and the integral sensitivity. Fig.1
shows the optical arrangement employed. The apparatus is based on
the method described by the first of the present authors and
O.Ye. Vershinin in this journal, Vol-4, 542, 1959. Radiation from
the source I- is reflected by the spherical mirror )3 and plain
mirror )4 and is focussed on the entrance slit Sl of the
Card 1/10

20674
S/051/61/olO/005/003/oo6
E032/Ell4
A Study of Spectral Reflection Coefficients of the Coatings of
Thermal Radiation Detectors in the Wave Length Region 10 - 200 11
monochromator. After multiple reflection from the crystal plate
B and the spherical mirrors ~l and 32, the radiation leaves
through the alit S2 and is focussed on the specimen under
investigation by the mirrors 35 and 36 through an aperture in
the mirror hemisphere. The radiation reflected by the specimen
is focussed by this hemisphere onto a detector. The entire
apparatus in mounted on a heavy steel plate and is covered by a
glass bell-jar which is then evacuated to a pressure of
0.05 mm Hg. The monochromator is so designed that by changing
the angle between the spherical mirrors 31 and 12 (as shown
by the arrows 1 - 1) one can alter the number of reflections from
the crystal plate from I to 7 and hence adjust the degree of
monochromatization. In order to separate out isolated narrow
wavel*ngth ranges from the continuous spectrum, eight different
crystal platen were prepared. These crystals are listed in
Table I which also gives the wavelengths corresponding to maximum
reflection and the wavelength range after multiple reflections
Card 2/10

2087h
s/o3i/61/010/005/003/oo6
E032/En4
A Study of Spectral Reflection Coefficients of the Coatings of
Thermal Radiation Detectors in the Wavelength Region 10 - 200 p
from the given crystal. The number of reflections from fused
quartz, LiF, CaF2, NaF and KRS-5 was 5, while the number of
reflections for the remaining crystals was 3. The crystal plates
can be replaced in situ, and the specimen under investigation and
the final detector are placed on a rotatable table under the
spherical mirror. In the first position of the table the
radiation falls on the specimen under investigation. The table is
then rotated through 1800 and the specimen is thus replaced by the
detector. The ratio of the signals obtained in two positiona
gives the diffuse reflection coefficient. A detailed description
of the apparatus was given by the present authors in Ref.9.
In order to reduce the effect of scattered Bhort wavelength
radiation, smoked polyethylene and quartz crystal filters were
employed. The first material investigated was kerosene black.
The specimens were deposited on strips of brasa leaf (1.5 cm2)
which were then placed in contact with pieces of copper in order
to reduce the heating of the specimen by the incident radiation.
Card 3/1o

2087L
S/051/61/010/005/003/006
E032/E114
A Study of Spectral Reflection Coefficients of the Coatings of
Thermal Radiation Detectors in the Wavelength Region lo - 200 14
The reflection coefficient was investigated as a function of
wavelength and the different deposition conditions. Fig.2 shows
the diffuse reflection spectra of kerosene black deposited under
the various conditions indicated in Table 2. In Table 2, 9
is the thickness of the deposit in mg/cm2, gM is the amount of
oil placed on the brass foil before the deposition of the
specimen (in mg1cM2) and h., is the average thickness of the
deposit as measured with a microscope. It was found that the
diffuse reflection coefficient in very dependent on the
deposition conditions and it is recommended that! (1) The
deposits should be sufficiently thick, e,g. not less than 0.5
mg/cm2; (2) a preliminary oil deposit is desirable; (3) strong
.smoking flame should be employed4 (NOTEj Numeration in Fig.2
is the same as in Table 2). Another material employed was a
mixture of kerosene black with the r~J-2 (BF-2) glue. Table 3
gives the values of g, gc and hcP for the various specimens
the mixture).
black
(gc
in
is the amount of kerosene
Card 4/10

20F)7h
5/051/6i/oio/oo3/oo3/oo6
E032/EI14
A Study of Spectral Reflection Coefficients of the Coatings of
Thermal Radiation Detectors in the Wavelength Region 10 - 200 IL
The corresponding spectra are shown in Fig-3. The roughly equal
reflection coefficients of the deposits with g > o.6-o-7 mg/cm2
are due to the presence of fine cracks in the deposit. This was
verified by transmission experiments.
There are 5 figures, 3 tables and 9 references; 3 Soviet and
6 non-Soviet.
SUBMITTED: July 229 196o
Table I
Crystal SiO2 LiF CaF2 NaF KC KBr Cal ~KRS-5
X (micron:) 9 26 32 36 62 83 145 180
max
30
6;~ (micron 2 10 9 10 115 18 20
Card 5/10

ho5c)5
S]263162J(M/O 13/010/015
1007/1207
AUTHORS. Kozyiev, B. P. and Vershinin, 0. E.
TITLE- Detetinination of the spcetral diffusive reflectance of infrared radiation
PERIODICAL Referativnyy zhurnal. otdcl'nyy vypusk. 32. lzineritet'naya tekhnika, no 13, 1962. 53, abs-
tract 32.13.391. (Izv. Leningr. ciektroteklin. in-la, no. 45, 1961, 147 158)
TEXT A review of methods for measuring diffusive reflectance is given, and tile peculiarities of measuring
the reflectance by means of a hemispherical mirror (condenser) are studied These peculiar features have been
taken into account in the design of a special measuring unit by the vacuum-tubc laboratory of Leti.The receiver
of this unit is a special radiator with a large heat-absorption area; the hemispherical mirror has a diameter
of 150 mm The image of the exit slit of tile monochromator on the test specimen is 2 ,: 12 ilim~ In the
plane of optimum focusing the sizes of tile reflected image were chosen so as to ensure complete absorption
of the heat. energy by the thermal element with an absorption surface of 2 x 14 mm.To eliminate radiation losses
during reflec(ion from the mirror, both the receiver and test specimen were fixed at an angle of - 4 -' to the
plane of the gieat circle of the hemisphere A special iris diaphragm with a 100 mm opening petmits the
variation of the angle of tile incident radiation beam. Experiments with a lamella of magnesium oxide,
. arried out over i he visible and ricar-infrared region showed that, when the diameter diaphragm was changed,
Card 1/2

Determination of the spectral.
S/263j,62,1000,0131'010jOl 5
1007/11.07
the reflection coellicicrit,; coincided with the rated values (with an accuracy of �0 5'~,,). During ictlectit)n
from the nin-rot surface, particularly from aluminum mirtor, these coefficients remained censtant %%hrrl tile
diaphragm was ieduced to 35-40 mm ,only at lower values they dropped sharply -file umt worked in combi
nation with the 1,1KC-1 I (IKS- 11) infrared spectrometer 'I he sensitivity of the entire device permitted
records te be made ot radiation intensities down to 10- 8 watt. reading discrepancici did not exceed
1 0% There are 3 figures and 17 references.
lAbstracter's note: Complete translation
aid 2/2

KPDPOTKIN.. M.A.; KOZYRE7, B.P.
Spectral coefficients of reflection and sensitivity of silicon
phototubes. Izv.vyssuchozav.; fizo no-4:118-122 162.
(MIRA
15:9)
1. Leningradskly elektrotekhnicheskiy institut imeni U11yanova
(Lenina).
(Photoelectric cells)

KOUREV) B.P.; KROFaTKIN, M.A.
Diffuao reflection from white coatinga highly aboorbing infrared
radiation. Opto i spektr. 14 no-J.t152-19,5 Ja 163. (MIIA 16:5)
(Reflection (Opti4s)) (Wrared rays)

18986-k:N.. EW~~)/BDS A M-C/A5D/FS3D-3/i1PqC
/TJp(C)/55r3
ACCESSION NRt AP3005685 S/0146163/006/004/0123/0130
AUTHOR: -Kropotkin# M. A.; Kozy*rev, B. P.
TITLE: Outfit fo~.- investigating spectral reflection of dispersing materials in
the longer-wave Infrared band
I\ t
SOURCE: IVUZ. Priborostroyeniyej Y. 6, no. .4. 1963, 123-130
TOPIC TAGS: dispersing material, infrared spectroscopy, spectroscopy,
spectral reflection, spectral coefficient
ABSTRACT: A new outfit is described for measuring the spectral coefficients of
diffuse reflection of various materials in the longer-wave infrared band; diffrac-!
tionkatings are used for monochromatization of radiation. The monochromator!
of the new outfit is similar to the DIKS-Ikinfrared spectrometerl0while the
measuring part of the outfit was describA by these authors earlier (Optika I
spektroskopiya, 1961, v. 10, no. 5, p. 657). A functional diagram is presented
Card 1/2

L 18986-63
ACCESSION NR: AP3005685
and explained in the article, as well as a circuit diagram of the electrical
supply. Four 200xZ00-mm diffraction gratings, 1:2. 5 aperture ratio, 1. 5-5/cm
resolution, and 4x10-10 -w sensitivity of the receiver -recorder permit investi-
gating various solid, free-flowing, and even liquid materials within a 20-400-
micron band. Orig. art. hast 5 figures, I formula, and 2 tables.
ASSOCUTION: Leningradskly eiektrotekhnicheskly institut
-(Leningrad Ele ctr ote c hni cal, Institute)
SUBMITTED; 07Dec62
SUB CODE: PH
DATE ACQ: 06Sep63
NO REF SOV: 007
ENCL; 00
OTHER: 000
i -Card 4/,Z

KOZYREV.q 'aa,
Basic problems of radiation pyrometry of slightly heated or
cooled objects. 1nzh.-fiz.zhur. 6 no.10:9-18 0163. (~9RA 16:11 )
1. Elektrotakhnicheskiy institut imeni Ullyanova-Lenina., Lenin-
grad.

AMA

L 00002-"
ACCEWI R: Ajk~djj~4'"
-micro wavelength. The radiated power of the,
transmits the radiation up to* a 17 n
source can be adjusted within 3.5-,9 w. The radiation of the source placed in the
focus of two spherical mirrors Js divided by the mirrors into two parallel beams:
which pass measuring and compensating cells. Thereupon. both beams are
focused, b~,means of a second similar pair of mirrors, on a vacuum radiation
thermoconoiarter which supplies its,signal to the FEOU-18 amplifiero U there is
no gas in the measuring cell, or,if equal amounts of gas.,are present in both.ceuss
the output -radiation Intensities of bothbeams are identical, the correctly
compensated receiving thermocouples generate equal emf 'a, and, no signal comes
to the amplifier. When a radiation-absorbing gas is Introduced into a measuring
cell, the radiation traversing it id attenuated, and the thermoconverter sends to
the amplifier a signal proportional to the absorbed radiation. The outfit Is
equipped with a vacuum system which permits exhausting the cells down to 0. 0 1
torr where the effect of the atmoapheriq-air absorption becomes practically nH.
This permits measuring both-'a gas mixed with air and a pure gas.' Gas -is
admitted inbi thai nwasuring ceU through a special batcher permitting an output
card 213

3302-66 DIT(1)/EWT(m)/EWP(t)/EWP(b)/OdA(h) IJP(c), JD
ACCESSION NR: ARS008346 S/-0275/65/000j002/B03i/B"
033
621.383 42
;SOURCE: Ref. xh. Elektronika. L yeye primeneniye Abe. ZBZll
I AUTHOR: Kozyrev, B. Pj Kovaleva, M. K.
TITLE: Photoresistor from ~all*gm bromide-iodide with a parallel arrangement
of its elements
CITED SOURCE: Izv. Leningr. elektrotekh. in-ta, vyp. 52, 1944, 107-114
TOPIC TAGS:. photoresiBtor, tallium bromide iodide photoresistor KRS 51
crystal
TRANSLATION: YRS-5 crystals (tallium bromide-iodide) have a high electric
sensitivity at sufficiently low temperatures. Preliminary investigations have
shown that, with greater interelectrode distances, the photosensitivity decreasesi
for the same field st ngth. In-Ord the.
re er to Increase the receiving area and
absorption, a construction was developed with a parallel arrangement of elements;
in the.form of 15x6xl mm plates, The photoresistor was placed In a Dewar and
'7!:Q4'j
Card I/Z

ACCESSION NR: AP404i566 S/0146/64/007/00410114/0119
AUTHOR: Kozy*rev, B6 P.; Hezenov, A. V.
TITLE: A device for studying radiation decrease by air-suspended
particles
SOURCE: IVUZ. Priborostroyeniye, v. 7, no. 4, 1964, 114-119
TOPIC TAGS: electromagnetic radiation, aerosol, optical instrument,
auspended particle, intercepting filter, diffraction grating, re-
fraction index
ABSTRACTI The Leningrad Electrotechnical Institute imeni V. I.
Ullyanov (Lenin) has developed an optical instrument for me asuring
the decrease in radiation due to suspended water drops. The main
purpose of this task was to check the theoretical estimates of the
interaction between electromagnetic radiation And spherical particles
haviiig a complex refraction index* The technique used to obtain
monuchroinatic radiation included remanent rays, intercepting filters,
dtffraction grating. The instrument can be used for studying
th-, R~:Iactplza u,,a-larlying the reduction of radiation in the wavelength

ACCESSION NRt AP4043566
range of 0.5 to 1000P Test results obtained were in full agreement
with the theoretical data for a relatively wide range of indices of
the refraction and absorption of spherical particles, Origs arts
has: 4 figures anA 1 table.
ASSOCIATION: Leningradakiy Elaktrotekhnicheakiy institut im. V, It
Ullyanova (Lanina) (Leningrad Electrotechnical Institute)
SUBMITTEDt llMay63 ATD PRESS: 3089 ENCLt 00
SUB CODEs EH, OP
Co.rd 22
NO REP SOVs 005 OTHERt 004

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L 27254
ACCESSION NR: AP5017174 UIR/0139/65/000/003/0027/OM
r7
9'A
AUTHOR: Kropatkint M !Wrev, B. P., ee~
e
TITLEs Determination of the spectral coefficients of reflection of friabl,
materials in the wavelength range 0-7--15 P
SOURCE: IM. Fiftim, no.. 3, 1965, 27-29
TOPIC TAGS: ir~spectrometer., Ir spectrupp spectrum ozalysisj coil
ABSTRACT: 'The authors describe a new attachment for an infrared-spectrvmeter-
(INS-12)., based on the use of the mirror-type hemisphere which they employed
earlier (Optika I spektroakopi v. 4 542., 3.959) to meamme the spectral reflec-
Ya
tion coefficients of diffusedly-scattering materials. The attachment is shown in.'!
Fig. 1 of the Enclosure ad Its operating principle Is similar to that described I
in the earlier paper. The:equipment was used to measure the reflection of sand
and soil-at wavelengths O.T--15 p. It in shown that the loan of reflected rodlao
tion can be taken into account by Introducing special coefficients,, equations for
which are derived. The results indicate that the reflection spectra of sand and
soil have the saw cbaractery owing to the simil ity of their chemical structlures.~
On the other bwAp the results also reflect the major differences between these
materials. Orige arts best .:2 figures and 3 formulaa,
.Card

L 2725.~~
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ACCMIOK MRS AP5017174 LqM I, Of

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Hic, tore:,- t1r)rj from Usa M It; m brrjl~: I I ie ana Ui!;. 1 -~ -1 1.1r. i -1 , ~ a,~ -,I-! th 1 ; ;-, i
placument of the elements. iz-.r. L""I"I no.5--.IC~7-1.14 I (,.! . ( !" I i~ ". I ~-,, : (j ,

KOZYREV, D.P.; KOROTCHENKO, V.A.
Refractametric transducer-analyzer for CO 1) testing of gases
in, funiaces. ZRv. lab. 31 no. 12:1521~-152; 165 (14.1 TU,' 19 ti )
1. Leningradskiy elektroteklivicheakly institut Imeni Vil Iyanova
(Len !r, a) .

L 062713-67 EWT( 1)
ACC NR: AP6025073 SOURCE CODE- UR/0115766/000/00670029/0033
AUTHOR: Vasillyev, B. V.; Kozyrev,_B. P.
ORG: none
TITLE: Using the galvanometric amplifier for measuring weak signals
SOURCE: Imeritelinaya tekhnika, n. 6, 1966, 29-33
TOPIC TAGS: do amplifier, galvanometer
ABSTRACT: Measuring very weak d-c signals can be effectsAby:(A)a d-c galvanometer and
(B) a modem d-c amplifier with an output instrument. Both methods are compared on
the basis of (a) minimum detectable oignal limited by fluctuation noise and
(b) responsiveness (reading settling time). Soviet and Western (R. V. Jones,
Electronics, 1963, 61, no. 2 and J. So. Instr., 1961, 38, no. 2) sources have been
used in the theoretical analysis. As the direct indication of very weak signals by a
galvanometer is practically impossible, the A-method includes a photo-electro-optical
amplifier whose characteristics are also analyzed. It is found that, with equal
flactuation thresholds of sensitivity, the amplifier containing an overdamped input
galvanometer has a shorter settling time than a resonant-electron-tube or transistor
amplifier. This conclusion is particularly evident in the case of a minimal d-c
signal or a 1-f (below 10-cps) a--c signal. Orig. art. has: 2 figures and 17 formulas
I
SUB CODE: 09 / SUBM DATE- none / ORIG REF: 007 / OTH REF: 001

M-66 EWT(m)
~R, AP6010770
SOURCE CODE: UR/0146/66/009/0
UTHOR:_Kozyrev, B. P.; Korotchenko, V.-A.
JORG: Leningrad Electrotechnical Institute im. V. I. Lenin (LeningradBkiy
elektrotekhnichaskly institut)
ITITLE: Differential photo -electro-optical refractometer as a g.3,~al ~ze
i
ISOURCE: IVUZ. Priborostroyeniye, v. 9, no. 1. 1966. 17-22
FOPIC TAGS: refractometer, light refraction, gas analyzer
ABSTRACT: The development of a differential refractometer for gas analyzing
purposes is reported. It is-based on the well-known photo -electro-optical amplifier
arrangement (R. V. Jones, J. Sc. Inotr. , v. 38, no. 2, 1961) in which the luminous
ux-converting galvanometer is replaced by a retracting gas-sample cell. Silver-
sulfide photocells, a small incandescent light-source lamp, and a 25-mm diameter
132-mm long sample cell are used. The new instrument has a very high sensitivity
1(about 3x 10-8), short response time (2. 5 sec), can analyze any gas, may yield
linformation In the form oi electric signals, and can deliver automatic records.
Prig. art. has; 3 figures, I formula, and 1 table.
CODE: 20, 13 / SUBM DATE: 260ct64 / O1UG REF: 006 1 OTH REF: 003
Card 1/1 &!~ UD

ACC NR, AP /'--'--[6; X1_2_106i/0087/0092
700z666 SOURCE CO UR 0169
AUTHOR: Kozyrev, B, P.; Buzaikov, A. A.; Loahakova, V. V.
ORG: none
TITLE: Transparency of oxide coating of cathodes in electron tubes
,,SOURCE: Radiotekhnika t elektronika, v. 12, no. 1, 1967, 87-92
TOPIC TAGS: alkaline earth oxide, electron tube cathode, transparency
iABSTRACT: The transparency of oxide-coating sarnpleo prepared from (Ba, Sr,
subjected to the conventional nickel-backing cathode calcination was
Ca) C03
measured in a special 10'6 -torr vacuum device (Bee figure). PartB: I - thermo-
lelectric converter, Z 0
- its receiving area, 3 - inlet window, 4 - Bhield, 5 - xide
!coating, 6 - nickel plate, 7 - alit, 8 - calibrated tube, 9 - iron cylinder, 10 - magnet"
11 - open port, 12 - oxide-covered ports. The spectral transparency of the coating
was measured, at wavelengths within 1. 5-9 (4 , by an IKS- 12 up(.-ctrometer on
samples 60-, 1ZO-, 180-C% thick (density, 1. 3 g/cm3). AlBo, the integral trans-
iparency for black-body radiation at 500-IOOOC was determined. The resulto are
1/2 UDC: 6Zl.385.03Z.00l.51Z___________

ACC NR, AP700266i
1
6 11 12
Special vacuum device for measuring
a transparency of oxide coating
A
A
shown graphically. Although
the tranaparencies were
measured at room temperature,'
the results are regar e as
applicable to hot-cathod
operating conditions (600-90()(;)l
on the basis of recent U. P.
Oppenheirn et al. experiments
(J. Opt. Soc. Am. , 1964, 54, 1,1
127). "In conclusion, the
uthors wish to thank V. S.
a
Parkhomenko for his help in
selecting test specimeno. "
Orig. art. has: 4 figures.
SUB CODE: 09 / SUBM DATE: 14Ju165 / ORIG REF: 005 / OTH REF: 004

KozyqlF,!, 1). T-.
2(-)7;'3
Cut T
sovkhozal,h na nrii!iyj7ry,7 "Styermroy", 'Iorori-
zoolrie~ln-tq, T. XT., lcm, 77. ')5-111.
ol)l.-fl. 7n,:--)nyezhsk.
~C T 1~ I
SOL

TRAFEZNIKOV, A.I.; CRUKIN, S.A.; BEDRIN, V.A.; _KCZYREV, D._I_,-*-
BUTOVSKAU, A.P.; YARKOVA, D.A.
Automation and mechanization of auxiliary operations in
metalworking. Prom, energ. 17 no.11:10-11 N 162. (MIRA 15-12)
(Metalworldng machinery)

GFMMYN. Yu.S., inzhener; KOZYUV. D.P., inzhener.
Pitting hydraulic gear drives by using a dynamometer. Sudostroente
22 no.3:34-35 Mr '56. (MLRA 9:8)
(Karine engines)

LYU13"IN, N. ;
Strang mighborn, Sov, profsoiuzy 17 no.14:24 JI 161. (MIRA 14:7)
Odintuovo Q.loacow Province))-Fraight and freightage)
(Vnukovo (Moscow Province))-Refractories industry)

1-KOZYR-EV, F, (Norvomoskovsk, Tullskoy oblanti)
At least they should hwie said a nice word. Itobr. i rate.
no.1!25 Ja 162. (IURA 14~-12)
1. Spetviallnyy korreopondont zhurnala 111zobretatell i
rat-sionalozator".
(Novozioakovok region.-.Coal mines and mining)

PETRLWIIN, S.; KOZYRV, G..
Reference book not answering thm ta9ka of fixing industrial
norms ("Manual of unifimd time norms Automobile r " ir.0
Reviewed by S. FetrukhIn, G. Kozyrev). Avt. tranap. 34 no.
6:39 JO '56. (miaA 919)
(Automobilas-Repair) (TIme study)

KOZnBV, G.
An outstanding brigade. Avt. transp. 37 no.2:53-54 F '59.
(MIRA 132-1)
(Taganroc--Transportation, Automotive)

KOZYREV, G.G,
Operation of tho Ochakov briok yard on tiatural gas. Gaz. pro=.
7 no.9:32-36 162. (MIRA 17:8)

KOZYREV, G. F.
14etalwork(-,rs - Diseases and [hygiene
Improving the working conditions for metal-workers in the Ftallno Province during the
postwar five-year-plan. Gig. i san., No. 7v 1952.
k
Monthly List of Ibissian ~.ccessions, Library of Gongress, Noverber, 1952. UNCLAS' !FIED.

KOZnZEV, G.S., dote.
Location of the center of gravity In fishes. Uch.zap. KRGU 33:
251,256 150- (MIRA 11:11)
1. Kafedra zoologii pozvonochnykh )aiarlkovskogo gosudaretvennogo
universitsta (zaveduyuahchly kafedroy - prof. 1.B. Volchanetakiy)
(Flahes) (center of mnss) (Swimming)

EDZYRN, G.S., dote.; HIKITIM , N.I.
Variations in the skeletal stracture of different domestic duck
breeds. Uch.zap. MIGU 52:233-243 '54. (MIRA 11:11)
1. Kafedra zoologii pozvonochnykh Eharlkovskogo gosudarstvennogo
universiteta (zav. - prof. I.Be Volchanetakiy).
(Duck breeds) (Bones)

X(YZYIW, G.S., clots.; KHLOMAN, N.I.
Variations in the development of leg muscles In different duck
breeds. Uch.zap. XRGU 52:245-263 154. (MIRA 11:11)
1. Kafedra zoologii pozvonochnykh J[harlkovskogo gosudaretvennogo
universiteta (zove - prof. I.B. Volchanotski
W.
(Duck breeds) (Itxtremities (Anatomy))

XDZTRNV, G.S., date.; GAYDUXASOVA, Y.N.
Differences in the mobility of leg jointo in different domestic
duck breeds. Uch.zap. MIGU 52;265-269 '54. (MIRA 11:11)
1. Kafedra zoologii pozvonochnvkh Kharlkovskogo gosudarstvennogo
universiteta (zav. kafedroy prof. I.B. Volchanetakiy)s
(Duck breeds) (Joints) (Extremities (Anatomy))

USSR/Humn and AniLal Morphology, Skeleton. S
Abs Jour: Ref Zhur-niol-, No i5) 1958) 69654.
Authcx : Kozyrev, G.S.
Inst :-Khar'kov--Uh`Iversity caia Scientific Research Institute
of Diology and Diological Faculty.
Title Certain Findings on the Pliomechanics of the
Talocalcaneal and the Talocalcaneanavicular Joints
in Man.
Oric; Pub: Uch. sap. 1(har'kovsk. un-t, 1957, Vol. 79, and Tr.
N--i- in-ta biol. i biol. fak., 1957, Vol. 26, 99-117-
Abstract: The author considers the Joints of the lower ex-
trerdties in relation to their supportive functions,
and especially points out the nechanisra which
linits dorsiflexion of the foot, the possibility of
Card 1/3

USSR/IT.xu= and Itnimal, Morphology. Skeleton.
Abo Jour: Ref Zhur-niol.) No 15) 19561 69654-
rotational movement in the talocalcaneal joint
upon maximuza plantar flexion, and the influence
of the ligaments and certain miscles on the basic
joints of the foot. The fornation of the block
of the astragalus is explained by the circular
movement of the tibia in the talocalcaneal joint
while valkIng. With strong pljxntar flexion there
is no movement in the talocala:Lneal joint. De-
terminations were made of the precise form of
the joint surfaces of the calcaneal bone; this
form represents a part of the surface of a fru8-
trum of a cone. The axis of the talocalcaneona-
vicular joint waa establiahed,as passing through
the center of the head of the astraealus, forming with
the axis of the talocalcaneal joint an angle of
Card 2/3
33

USTINOV, A.A.. doktor biolog.nikuk- KOZYM, G.S., dotsent, kand.biolog.
nauk
"Ifematological atlas of farm and laboratory animals" by V.N.
Nikitin. Reviewed by K.A.Ustinov, G.S.Ko2yrov. Voterinitriia 36
no.6;8j-86 Je 159. (MIRA 12:10)
(Veterinary medicine) (Blood-Diseases)
(Nikitin, V.N.)

-.KOZDM. Q-S~; ZILUKOVA) S.V.
Age peculiarities of Wellerian degeneration of peripheral ner"Ies.
(I
in rate. Uch. zap KMU 108:263-269 160. MIRA 14-3)
1. Kafedra zoologii pozvonochny1ch KharIkovskogo gosudarstVemiogo
universiteta.
(DEGENERATION, FATTY) (AGE) (NEINES)

x0mi'v, I.
Industry - Organization, Control, Etc.
Ayv of increvo.1r)j.), tho (lutdity of produeLlcy). Vol). ekon. no. I'# I r".) I
Monthl,
I y List of Ibissian Accessions, Library of Congress, August 1952. UNCLASSIFIED.

KCZYRI-.-,V, I. F.
Vnutrizavodskii khozraschet i uchet ego rezulltatovZjntra-plant accounting
on a comiercial basis and calculation of its resultC7. Moskva, Goafiriizdat
SSSR, 1953. 84 p.
SO: Monthly List of Russian Accessions Vol. 6 No. 9 December 1953

ET, Ivan Yedorovich; MOTOV, S.. otvetstvena~7 redaktor; P.YBALICUR O.R.,
reaa*ktor izdateltstva; LIBEDRY, A., tekhnicheskiy redaktor
[Accounting on state farms] Bukhgalterakii uchat v eovkhozakh.
Moskva. Goofinizdat, 1956. 119 p. (Ml" 9:11)
(State farma-Accoianting)

Do~161- Y-
Dir
jr:
r
~a T"~
F oll -:;, , . J-; :11
1: - - ~ I.; -') ;, * ('r
Ce
tuyby~,na,j, Jim 55
i c
Dc""TeP O~p Doctor of Ilyr 0:

KOZYREV, I.I.
Telecommunication vorkers of Svanetia. Vest. aviazi 24 no.11i
24 N 164. (MIRA 18t2)

KOZTREV, JC.Y,.
Experimental work nn incesaming productivity of squipmont and
labor in weaving. Taket. prom. 18 no.9129-31 5 '58- (MIRA 11:10)
1. Zaveduyushchiy tkatskoy fabrikoy Kalininskogo khlopeliatobumazh-
nogo kombinata.
(Cotton weaving)

Y,OZYRLPV, K.K.; NIKITIN, V.A.
Use of electric trucks In weaving factories. Tokst.prow. 20
no.4-.62-64 AP 160. (MIRA 13:8)
1. Zaveduyushchiy tkatakoy fabrikoy "Proletarka.4 Kalininakogo
khlopchatobumazhnogo kombinata (for Koz7rev). 2. Zamestitell
zaveduyushchego tkatekoy fabrikoy "Pi-oletarka" Kalininskogo
khlopchatobumazhnogo kombinata (for Hikitin).
(Textile factories--Xquipment atul supplies)
(Industrial electric trucks)

KOZYTMV, ---,
Shortcomings of the tables used in coninuting the water nnd foam
delivery. Pozh.delo 3 no.4:25 Ap '57. (KLRA 10;7)
(Pumping machinery-TAles, calculntions, etc.)

KOZYRIV, M.; SXVMTSOV. A. (Taroolavll).
Applied physical training of firemen. Pozh. delo 4 no.5:13-14 VT 158.
(Iftre prevention-Study and teaching.) (MIn 11S5)

SAMARIN, V-G-; TSTPLUXHIN, T-I-;_K0ZYRZV, M.A.
Methodological prerequisites of the use of A.A. IvLnov's slot type
photographic wave recorder. Trudy KGI 20:51-57 160.
(MIRA 13:10)
(Oceanographic Instruments) (Waves)

LIVCHWO, S.P.; TSTKM3, T.F.; KOZWV. K.A.; SPIRIDOHOV, A#V.
11-1
Studying the roll and pitch of the expe$ditIonrr7 ship NKikbail
Lomonosov.ff Trudy KOI 20:88-95 160. %-~ (MIRA 13:10)
(Mikhail Lomonosov (Steamship)) (Stability of ships)
vor- I

exam W"Irraf, g
7 q
W 0
RIT44
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Mu",14, Gilt
m i~.
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6 -14
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jit- kv
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Vffi- AWOMO
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. I-- -- - .1. . . . . III . - . ..

ACCESSION NR: AP4043756
AUTHOR; Aleksandrov, N. I.;
Yezepchuk, Yu. V.; ~_qxy,*rev,
Runova, V. F.; Tamarin, A. L.;
TIT--.'.: Further experimental
anthrax vaccine
S/0016/64/000/008/0045/0050
Gefen, N. Ye.; Voronin, Yu. S.;
Ji, B.; Lebedinskiy, V. A.; Nikonov, I.V.;
Filippenko, A. I.
studies of the efficacy of chemical
SOURCE: Zhurnal mikrobiologii, epidemiologii i immunobiologii,
no. 8, 1964, 45-50
TOPIC TAGS: vaccine, antigen, anthrax
ABSTRACT: Rabbits were vaccinated with unsterilized anthrax antigen,
formalin-sterilized anthrax antigen, and live CT-11 vaccine, then
infected with a virulent strain of B. anthracis. Comparison of
results for the three groups showed no difference in efficacy between
the unsterilized antigena containing viable CTH cells and the formalin-
sterilized antigen. The survival rate was 11 out of 12 rabbits in tha
first group, 9 out of 11 in the second group, and 11 out of 1-1 in the
third. All the controls died. The immunogenic effect of the antigen
:'- - - 1/4
_Cw~d_

ACCESSION NR: AP4043756
thus neither depends on nor is enhanced by the presence of viable
cells in the vaccine. Formalin-sterilized antigen was used in the
remainder of the experiments. The dependence of the degree of
immunity induced on the nize of the vaccination dose was also inves-
tigated in rabbits. The level of immunity was directly dependent
on dose size: less than half (5 out of 12) of the rabbits vaccinated
,with 50 mg of antigen survived infection with 100 Dlm of vi.rulent B.
anthracis. Larger doses (100 mg and 300 mg) were about equally
efficacious (survival of*6 out of 9 and 7 out of 9 rabbits). All
the controls died. The dependence of immunogenic effect on the number
of injections into which the vaccination dose is split and on the
time interval between them was studied next. A total vaccination dose
of 100 mg was'administered in one, two, and three in4ections, Up to
20 days following completion of vaccination, the numler of injections
made no real difference in immunogenic effect. Mortality increased
sharply whan immunity was tested 40 day-s after completion of the
vaccination series, however. The immunity produced bl live CTH
vaccine was longer lasting, and did not fall off sharply until 80
days after vaccination. It should be noted that the CTH dosage
--- 2/4
Car

ACCESSION UR: AP4043756
used (250 x 106 spores) was five times the dose recommended for
humans. The efficacy of anthrax antigen was also studied in rhesus
monkeys, in which 300 mg of antigen administered in either two or
three injections produced a somewhat stronger immunity than did the
live CTH vaccine in human-size doses. A final experiment was con-
ducted to determine the efficacy of "native-sorbed" antigen concen-
trate (obtained by Al(0103 precipitation of the culture filtrate
without first treating the latter with acid or alcohol). This
process not only yields an antigan which is more effective titan
that obtained by alcohol sorption, but produces it in quantities
15 times greater than the yields attainable by the alcohol process.
The results of the experiment showed the immunogenic activity of
"native-sorbed" antigen to be about the same as that of acid-sorbed
antigen. In view of the much higher yield of th~e native-sorbed
antigen concentrate, its use would seem to be preferable to that of
the others. These concentrates produced practically no local reactilon,
unlike the formalin-sterilized antigen used in the earlier experiments*
Orig. art. has: 3 tables.
CouL3/4

ACCESSION NR: AP4043756
ASSOCIATION: none
SUBMITTED: 28Hay63
SUB CODE: CB, LS
No REF SOV: 003
ENCL: 00
OTHER: 000
Car4_4 /4.

M-IAKOV Y V. . master-povar; STMLIKOV , A., master-pover (&Alma4ta) 1
TULtCHINSKIY, N, , muter-povar (g.Kiyov); KULII-TOVICII, Yu..,
master-pavar (g.Minsk); KOZYREV N maste*-povar (Moskva)
.1 , W--E =a* '
AVDUSIIEV M. . master-p~ ~ar ~g.Riga ZOLOTMIN, S. , master-
povar (g.Tashkent); ITEZHGAYLIS, M. (Mezgailis3 14.1, master-
povar (g.Riga); TURSWOV, A. , master-povar (OVashkent);
KARTOS , 11. , master-ptivar (g.garil t sk-)
Show the example, share the eiperience. Obshchestv. pit.
no.8:37-40 Ag 161. (Cookery) (MIRA 14:10)

-66 FSS-2/EWT(l) TTIG'N
SOURCE CODE:
ACC NR& AP6022379
AMORt Kozyrev, No (Professor)
ORGs None
TIT11i From Moon volcanos to enus vo anos
SC)UHCE. Tekhnika molodezhi, no- 3, 1966, 16-19
TOPIC TAG3s Yoon, lunar crater, lunar teurperature, Venus planet, astronomic personnel,
astronomic observatory
ABSTRACT: In connection with the soft landing of the "Luna-9 station on the 'Moon
surface, the contents of an interview given by Professor N. A. Kozyrov, at the Pulkovo
Oboorvatory, rao prosontod. The main quoation di&cunsed in this intorview is the volcanic!
activity of craters on the Moon and the planet Venus. On the ba-gis of Kozyrev's first
discovery (Nov. 3, 1958) and further investigations, the volcanic activities of lunar
craters Alphonsus and Aristarchus are now generally accepted. It is proven that the
ob3orved flares are indeed originated in the craters and not induced by the Sun lumines-
conce. The volcanic activities, however, are rather wea1c. Usoful information on the
Moon surface is expected from various space vehicles. It is stated, however, that old
data collected from the Earth are also valuable. PWW of these data should be compared
with tho nev ones. An example of comparison of explosion flares (observed by Herschel in
1783) with hot opota (discovered by Friuik Low in 1965) leads to a possible existence or

1 1 ir. A.
N. A., and Shl3iima;i, D. I. "A;,,
ol,
30: 'J--'!36, 21 lay ';),~L)topis 11iiii-nal InykIli UO).
a

FOZYFEIVI 111. A.
The following Is among dissertations of the J,Pniuj,,r~id iblytochnlc
Tnstitute imeni Kalinin:
"Itivot-itAI-MAun of the I'ain Insulation of IIj.p-h-Vol-at.-,e Electrical
X,achines." 13 April 1953, The electric strength and aging of the insit-
lation of machines were investi~-ated; tho magniti,,der- of tf,,,-,t, volfaf:er
were established. A procodrrn war, devoqlo~vd for prophylactic tpots of
the insulation of electrical machines on the. basis of the apj!earance of
different insulations defects.
SO: M-1048, 28 Mar 56

I.. 'K0*-*,YIL:I"V, N.A.
1). u-,-.,-JH (6oo)
4. Electrir- T!achinery - Testing
7. Selecting voltaf,,c for testing the in3ollation of clectric .Flek.sta. .11, no.
3, 1953.
9. Monthly List 2f Russian Accessions, Library of Congrt-Iiu, APRIL 1953, Uncl.

KOZMV, N.I., kandidat tokhnicheakikh nauk.
-
Laatin..~, dielectric strength of the principal insulation of electric
machines. Slek.sta. 25 no.3:24-25 Xr 154 (HLRA 7:6)
(Bloctrio insulators and insulationi

-KOZMW, B.A. -, knndidat teklinicheakikh nQuk, dotaent; LOVINOVA, Te.L., Inzhener.
Hloctric strength of winding insuIntion of high-voltage olectric
mchines. ElektrInhmntvo no.8:68-71 Ag 156. (MLRA 9:10)
1.1,pningrndskiy politelchnicheakiy inntitut Imeni Kalinina.
(Electric Insulatora nnd innulation)

KOZY M , N.A., kandidat takhnichookikh nauk.
Rainsulation of high-voltage electric machinery. Ilak.sta.2? no.l:
29-32 Ja 156. (MLRA 9:6)
(Ilectric insulators and insulation)

7- Y
SKORIK. N-S.. inzhener; TSUXMIK, S.V., Inzhener; LYS&KOVSKIT. G.1.,
kandidat tekhnicheekikh nauk; ZVEZD-KIN, V.M., inzhoner; IZEL4,YXLIT,
G.B., inzhener; KOZYRIV, N.A., kandidat takhnichaskikh nauk;
KUIAKOVSKZY, V.B.-,-I=tettLt"iekhnictieskikh nauk; MRAMUN, A.P.,
inzhener; ALEKSETEV. S.V., inzhener.
Electrical streng:kh of stator winding insulation in 6-6. 6 kv
electric machines. Elek.sta. 27 no.4:38-51 AP 156. (WA 9:8)
1. Kharlkovokiy elaktromekhanichookiy zavod (for TSukernik);
2. Donbitenenergo (for Lpiakovakiy); ). Lanenergo (for Izrayelit);
4. LPI (for Kozyrev); 5. TSentrallnaya nauchno-isaledovateltakaya
elektrotekhnicheekaya laboratoriya (for Kulakovskiy); 6. Sverdlov-
energo (for Karamzin); 7. Mosenergo. (for Alekseyev).
(Electric insulators and inBulation--Testing)

,Rz
riffill NO
10, gM
MZ
p go
- zg~
mu
IL
Zr
Rr
-NON
...........

AUTfHoii: Kozyrev, N.A., Candidate of 1.0echnical Lrjci-nnc,.~s. 104-2-16/38
TITLE: Inspection of the condition of the insulation of electrical
machinus by its Ei~!chanical charact----ristics. (Koatrol sos-
toyaniya izolyatsii elektricheskikh mashin.)
P tdODICAL: IrBlektricheskie Stantsii" (Pu;;Cr statiuiis)p 19571
Vol.261, No.2, pp. 67 - G9 (U.S.S.R.)
ABS iUUT: Objective methods of determiziiw- the mcclianical strenc
U ,t h
of insulation do no'L1- exist, neither is there reliable experi-
mental information about the relationshio electrical
and mechanical strength. Existi-ni-, electrical mothods do ----,o-tu-
reveal defects of mechanical ori!-,-in.
Insulation in stator Slots iS SUbj..-ct to vibratory com-
pression and tlL-,t in -the and windin-s to vibratoi-j bendir-..,--.
ID C-
it, therefore, seems reasonable to inspect the mechanical
condition of insulation by a vibmtory method. Such a nothod
was deveio U
ped and tests carried out with it are described.
Some 258 s,)ecimens wei~o subjected to 11 160 000 vibrations
and the followinG conclusions were dravin 14"rom statistical
analysis of the results. Vibration daraaEes the riicanitc and
increases the probability of .0uporposition of weak placos in
micafoil, -the discharge path becomes shorter and the electric
Card 1/3 strength is reduced. Hence the mechanical condition of the

Inspection of the condition of the in--:~jlation of electrical
machines by its mechanical charact;rist-ics. ('V"ont.)104-2-16/38
insulation can be chocked by an electrical measurement. The
reduction in the elec~.ric stron,~".,th depends on the number af
vibr-Itions and not their freqaoncy. AGeinE; was not demon-
strated on the Dart of the snecimen that cor-esoonds to the
free part of the and windinSs of a machine I)crh;..os because
enou,-~h tests were not nade. Vibrutional of that part
of the r,,)ecimen correspondinG to the place w2ae;:-e the
luave the slots gives a definite relationship between the
number of vibrations and the broakAoilra voltar~e - the results
are Given in the forra of (graphs. jkft(~r Vibr-ition 2/3rds of
the failures occurred on t1he wide sides of Uh_n- bars whilst on
um- ;-ad bars this ratio is only 1/3rd. Of those 2/3rds, ?2,'%
C,
Of the breakdowns occur on the, side of thL. 1~
insulation t! it is
in coapression and 281,,,, on that w.'Uich is in tonsion. The
compression and e-x'u-ension are in a plane pej~-.,,endicular to that
of breakdown. New insulation withstands ~hrae times as many
vibrations as insulation that has been in use for 26 000 hours.
The result's r-iven ara mainly of iaaWiodoloL-)ica1 LiL_,rest since
they demonstrate the possibility of inspeactin,~ the ii.-:;chanical
strenGth of insulation by a simClQ ia.~~tlljod. auy 1;21ove
Card 2/3 better to use vibrations of si~ullor auplitude tf.~an vraz done

Insp~)ction of tho condition of -the insulation of electrical
machines by its mechanical ck"racteristics. (Cont.)io4-2-i6/38
here bat -to use a greater number of them. It is not daimed
that -this first work is complete and it does not give exhaust-
ive criteria and make recommendations which can be used in
industi-j. These can only be based on accumulated experience
and it is, therefore, advisable to carry out furtha!experiments
includint, tests on bars that have failed and windings Uatc-xe
due for replacement.
There are 4 fiGures.
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Card 3/3