SCIENTIFIC ABSTRACT BOYCHINOV, A. - BOYCHUN, V. Y.
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S
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Publication Date:
December 31, 1967
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Bulgaria /themical Technology. Chemical Products 1-31
and Their Application
Fermentation Industry
Abs Jour: Referat Zhur - KhImlya, No 9, 1957, 32921
9. elljRsoldous, with minimum aerations since
K the presence of oxygen the yeast consumes
more sugar for proliferation.
Card 2/42
7 ~910 I-IS
~,BUIRMIA/Chemical Technology - Chemical Products and
Their
Application. Feramtation Industry.
Abs Jour Ref Zhur - Khi=iY&, No 1., 19580 2882
Author
Inst
Title Correct Operation of a Kieselguhr P11ter
Orig Pub Lozarstvo i vinarstvo., 1957, 6, xo 1, 43-50
1-12
Abstract Description of the technique of operation of a
kieseiguhr
filter desigmed for a single use (with asbestos) or for
repeated utilization (with a nylon screen). The possibi-
lity is pointed out of charging the filter either vith
vine mixed with kiese1guhr (1) or with vater and I (wash-
ing with vater for 10-15 minutes before charging is in-
dispensable). Depending on the turbidity of the wine,
from 0.5 to 2 kg of I per 1000 liters of vine are required
(on using the singlq!7run system). Piltration is conducted
at 0-5 atmosphere Ssuge pressure, after vhich the filter
Card 1/2
BULGARIA/Chemical Technology - Chemical Products and Their
Application. Fermentation Industry.
Abs Jour Ref Zhur - Xhimiya, No 1, 1958, 2882
1-12
must be recharged. To vash the filter designed for repea-
ted utilization a countercurrent flow of water is used,
after which the filter is recharged with water containing
1. There is also a filter for double filtration: first
throu& 1. then through asbestos, which is particularly
suitable for new, turbid vine that requires good stabili-
zation. A 2-section filter is described, one portion of
which operates as a filter while the other is being rechax6
ged; this permits a continuous filtration of vine.
BULMRLI/CliciA
cal Technol.)gy - Chemical Products and
Their
Application - Fermentation Industryi
Abs Jour :
Ref Zhur - Khimiyaj N,.) 91 1953t 30462
Author :
Boychirov, It.
Inst
Title :
The Processing of Wine
Sluago.
Orig Pub :
Lozarstvo i Vinarstvo, ~, No 4,
41-45, 1957.
Abstract :
Ii, methoOl is described for
the drying of less, iihich has
been first pressed out,
in a tray-type dryer (with steam
tubes) having a
capacity of 1 t3n of pressed lees per
day. The steam
and alcoholic vapors are cooled and con-
densed. The
dry sludge contains ca. 1/3 dry IT-N: sPenf
yeast, ca.
1/3 orGanic substances., and 20-4Wcrean of
tartar. The
concentration of the latter can be increa-
sed to
50-60% by fl3tation. The cream of tartar is next
converted to calcium tartrato vhich is used in the
produc-
tion of tartaric acid. The direct processinL;
of the slud-
go in autoclaves is wieconomical.
Card 1/1
BULGMqChenical Technology Chemical Products and Their
Application. Fermentation Industrf.
Abe Jour : wf zhur - Khimiya.. No 8,, 1958.. 26773
H-W
Author : Boychinov Atanas
Inst : -
Title Stabilization of Now Wine with Artificial Cold Prior to
Bottling.
Orig Pub i Lozarstvo i vinarstvoj, 1957.9 6: No 5., 4043
Abstract Description of stabilization of new wine by
treatment
with coldj, for 5-15 days., at a temperature close to the
freezing point of wine. A flow-sheet diagram is shown.
Card 1/1
6B -
BULGARIA / Cultivated Plants. Medicinal. Essential M-7
Oils. Toxins.
Abs Jour: Ref Zhur-Bioi., No 6, 1958, 25226
Author : Akhatarov, B.,,~-~ ~nov Mazhdrakov, F.
Inst : Not given
Title : Experiments on the Influence of Artificial Fertil
izers on the Alkaloid Content in Plants
Orig Pub: Farmatsiya (B11g), 1957, 7, No 1, 37-39 (Bulg.;
res. RUBS.)
Abstract: Investigations were made of the effect of fertil-
izers on the alkaloid content in the plants Atrope
belladonna L., Datura stramonium L., and Hyoscya-
mus niger L. Nitrogen fertilizer Increased the
alkaloid content in belladonna and the thorn apple
by up to 25%; nitrogen and phosphorus fertilizers
increased the alkaloid content in the henbane by
Card 1/2
140
BULGARIA / CultivAtea Plants. Medicinal. Essential M-7
Oils. Toxins~
Abs Jour: Ref Zhur-Biol., No 6. 19588 25226
Abstract: up to 20%. Potash fertilizer had an adverse
effect
on the alkaloid content of all three plant species.
-- L. N. Korolev
Card 2/2
BULGARIA / Chemical technology, Chemical Products H
and Their Application, Part 31 - Fermen-
tation Industry.
Abs Jour: Ref Zhur-Khimiya No 18, 1956, 62577.
Author : At. Boyck;Ao"
Inst :YoT -g- IV e-n .
Title : Improvement of Quality of Fruit aftd Grape
Vodkas.
Orig Pub: Lozarstvo i vinarstvo, 1958, 7, No 1, 34 - 37.
Abstract: No abstract.
Card 1/1
,v 0 V 4
W!ir,:-RLP--/Culti-v,-.ted Flants. Modicinal Plants. Essential Oil
Plants.M
Thxie Plants.
"Is Jour : Ref 2hur - Biol., No 81 1958., No 3".2
Author : Boyetinov A.
Inst
Mtla Phr=rxognostic Monoz;rn~-fhy on Hoots of Ch. Bonuo. (Chanopodiuu
Boaus Henricus).
Ori- Pub FlarLkItsiYan (BI
13.), 1957, 7, No 2, 16-19
Abstract k-,scribed is the exterior norpholoMr and tZe anatom, ical
forn-
ation of roots of the species Mi bonus which is widespread
in Bulgaria. Me hwolytic acitivity of the rooto is --s-
cartained at approx. 1:1600. The snponin (chenopodin) Was
extracted from the plant -md its ca3position and molecular
weight est-%blishea. Me formula, of this substance was
found to be C21H40012- -- IdlxliyGva-
Card 1/1
BIJIMRIA Chemical Technolo6y, Chemical Products and Their
B-27
Application. Fermentation Industry.
Abu Jour Ref Zhur - Xhimlya.. No 5, 1959, No. 17264
Author Roychinov, A.
inat
Title Complete Utilization of All Sorts of Raw Mterials in
the ~saufacture of Tartaric Acid and Tartaraten
I
OrIg Nb Lotatetva, I vinmtvo, 1958, 7, No 4, 50-53
Abstract Ways of increasing the yield of Ca-tartarate (1)
from
the solids remaining after the filtration step, and
particulArly the mathodL that employs a tvo-stage botling
we--& reviewed* It Is zweessary to colleet the wine
sediment, to dry it, and to utilize it for the derivation
of tartarates. This sediment ocWisea 2% (on the average)
of the volume of wines., and relresents an additional
availability at 100 tons of tartearic acid per year ftir the
Card 1/2
14
BUIGPIM Chemical Technology, Chemical Products and Their E-27
Application. 7mmentation Irdustry.
Abe Jovv Ref Zhur - MAmlya, No 5., 1959, No. 17264
We With the Improvements of tho Irocess., it is
possible to obtain 2 - 3 kg of dry I from 1000 1 of
unfiltered wine. An iWortant source of raw materials
for the nanufaotare of tartaric acid are the grape hormy
and nemm =to 100 kg of the latter yield 2 - 3 Xg
of bitartarates. It Is also suggested that the recovery
of tartaretes from the deposits formed on the barrel
walls wd on the, sterage vat walls Is realistic and that
It should be Iractleade -- Go Valuyko
Card 2/2
Ofts. FarzAtaira. Vol 13, Sa 2,
V^rea-AprLl 1962
*-.US FOUMJ&iIOM Of thS Firat Y,*~Lcaj
Care Society in
bagarts,'In 105A., 'A. Bo---VA, and
Z~. 30zv
6f --U (Professor 1.
Mweatri-da-d ot: daparl=
24-:1 (Higner YO-1041
AIN X".. 30114, pp 3.0.
2. *MrpbInIss." D.
~!X_Xov; PP a-9-
3. 'The Appucallon Of Radlov.01.179
Isotopes -,r ?,%3rm4cW
V. FEW-.Vk a. rVCUROV end v -X,--v Of
r-La
IM-0 - 1~0 1-z .-i (?.,3rD3sjr
M, eaadi at apow"Int), M'L (not
id.nzirisd).
PP - .
4. eCOm4*rUIrA5 %be QU"%-lt&;lV#
S;"0lfl0&;1OU Of
Cortisone and Dealdrozorti some,' A.
VULKOVA And A-
PP 16-19.
S. -740 C0*2LAtrY &:21 Analytical
Fropirtles of
&Stan* " Jr._JJM= of Lne Msz~.sey
SlIentlila
lanssivale-, pp 4-26.
P?ho potontionetrLeal ineoLficaLion of
;no Pjdrazcaes
oC %a* Hydrasids of laonloosIr-a Acid
w~lft ~adjux Nitrate.' a.
XXVJ0 (so@ preo*41=9 article); pp
27-32.
7. *?be Presuction of
YANXOV of %k! PI&MT., Sofia; pp
*Canceral-ma the Develo;V.Sn%.
=truction, Chaidoal
COMOsMom. of tad Roots of PA&?omzicuz
Carthazoides
on Grown In Bu2garts&0 Y.X, Yar4mlor
and D.B. Asnoves
VP 36-39.
C tvo v
ra\
o
!
1,
AM
u
M
4 o
>
4'
5
k:.~
9,12 91
41 q
-1
I'D
_7-_;
%
erfrofly Otis e MIAMI-
'10. V1. some
EZV2 W, amr2r=_-_~
glmr
e
-=F K1 final. Inst.. Ernininrad).
I A3,835-41(19M);.c
4tole In 10 mi. 1:3 H~SO4 was added
'
'
g. chromic acid In 10 mt. H.SO# (1:
4
and the mixt. c IM after 15 min., Yielding 5-bextimidd
i
k
t
f
id
k
hi
i
O
f
b
h
h
n
=r
sit
o
eac
w
Na
ree
c
t
Ac gave the
la
, w
0-
25* (frori;MO)
08
This (1
62
) and 1
-
.
.
Z.
S.
I
o-COUNRO,
n 10 ml. 20% MCI heated in sealed tube 4 hm
'
~
at 180-2DO
. then neutrallred with NH,OH and filtered, gave
r
b
i
U
W
b
xd
id
k
d
di
HO
I
M
t
th
-
-
ext
m
as
e
m
aw
a
e
as
e
,
)
y
'MI (from coned
MCI);'the free base could not be
.
pudfied owing to the forraition of gels. Similar oxidation
d
2.5-dimethylberizimidawle gave 70--S% ~2-# I-r-
c
-bensi
id
rb
id 301-2* (t
x
1
li
MMO)
.."Oftmical Abs i
m
a
o
c
o
rom
c ac
.
q
oxy
VOL 48 NO
a
This with a-Colli(N11j)a in 20% MCI as above gave titter 40
, at ISD-200*
min
. -
--
'
.
- which with '
33%40':
sak-211CI
4H
OR
o
m
MCI)
(f
k,
A
p 1:25* 1 54
,
,
.
r
m
,
,
,
'
'
*
ihi
ith
dil
h
f
b
3
R
QH
0
f
~-':OrgarAV Ch mist
ry
t I: -,
sw
e
gave t
ree
to.
40
rom
t
ase (
.,
).
),
(
it di-AX,si;n; the
NU40H-AgNO3 In WOR cave a flocculet
-
.:
fi-ee base yield di
282-2.6'. 3,44HPN):C4Hr-
a
Me(IMX.).nd NOVAM.100.20%11CI heated Ina
sealed tube ~ h7. at in
J,5'-dimdAy1-S42-bm-
.
Sim
Sun za, I h and unsharp, which
Yeadi-H salt
above I (From 25% MCI); the
m
-
,
Y, do. a in. 274*. This oxidized with
chromic A us ~ a gave
2~fflelAYI-S-(Y-car
l 2;
V
bratim ~yi ',n 't
abou
290 (111). m.
heating with
(from 150% HCI); decarboxylated ~1
1
hat at ga (picrate. m. 274 HE with i-
ve 75,Yp 2-
80-200
C4714 A and 15% 14 firs. at I
I f
Si
il
l
W
l
dil
1110
b
MCI)
m
ur
aso
e,
rom
.
ove
,
, m. a
c6nder
sati
Nf
ave 85-90
With 3
4
Nh H
(H
-
i
ou
,
,
t
e g
imidwWRC1, m. about 400' (from dit .~Ilcl)- 2,Phenyl.
9 le
&methylbenzitnidazole with.ch ic acid in aq. H-SOA
W
a.
2-phenyl-5-bentimidaxokcarboxylic acid, isolated it% the
saU, m.
304~5' ~from~aq. MCI). Mectrometsic titration of
this gives 2 pH
reaks; atfl.4 and a weak one %rhose pos.-
.
ated with o-C.H.M1,~ in
tion Is twstatetl. This lie,
IICI in %caled tube 6 hrs, at IF-G-2M* rVe 2-Phenyl-5-(.~-
m. 303-JO (from dil. MOB);
IICI Jail, M:32.1-6* (from di). 110). SimiIar)y,1,44)1%N)t-.
frorn dit. MOM; HO salt,
V-I~ do.. TICI). This irnq oxhlited ai abovIt t.
lated as the Ita salt. m. 314-19. . which. heated with o-
r4H4(NH*), and 10% HCI, gave
Jw! Isdated As tilt
0=11, does not tn. MO* (front Rq. 110). 14-(HN~,*
Me gave
)) beasimilawk. isolated as the di-HO uft. does
no M
390*; the fme fw is in-A. in mg. stlivents; except
AcOH In which It forms the corresponding salt. Heating
4IrhINF-*H&CQJUICI -with o-C4114(Nifth
&w 1e;2 :1 to a waled tube 40 min, at IFfi-3W*
ur.
this t. .1th IINO, ithout foroling a
14N .
t
h
I
A
OR it
1
- wa
1
n
c
res a peet pp
g
recu-
WA"Ne"hMe. Coadensatim with HODJI a Ott
the gew desmiled bis-Iltnthnidasok derivs.
NA. Deoltkukimmies bave characteristic
D
"-qw- 2700-ODO, dilleulmkiazoles at 31004W,
%todwIduales --' 34OD-M A.. even the later sh-
wxb bI* wedbr In tW=Iei VM'
fto= Zs -
=L=Jrbwy b&Wng
AN&$& L.S.-Wks. IW.8"; cf. CA.48,2M.-'
AwithOwl. USSM and
V" Bw save 19 g. Cryst. =Vak C004HPSCh
I bwed to X", hk - wpe test tube MW
VOINt tbtti to MG-801 until a teA with
lk . ti bensimithuxlk
an adda. of NIIb
--A A - m. W64,
f. M.0 a.) by-beating 132 jr. 3.+MNN,.
(U wM I al. HCOA and 5 ml. H.0 40usinAn a
tMbe at ISO-W. With 939%
StjorW fisked as abne at 20-W,
OCW.
:&IMF 'by) -Itwn ACOV-1,
0. bL XMAS
BOYCHINOVA, Ye.S.; ALESKOVSKIY, V.B.
Quantitative determination of traceelements from the
height of
peaks on paper chromatograms. Report No.l:
Determination of copper
and nickel ions. Trudy LTI no.48:94-100 '58. (MIRA 15-4)
(Copper--Analysis) (Nickel--Analysis) (Papor
chromatography)
- -- ------ - - - ---- -- I---
BOYCHINOVA, Ye.S.; ALESKOVSKIYj V.B.
--
-19chanism of the ormation of precipitation
chromatograms on ion
exchange resins. Trudy LTI no.48:133-142 '_& (MIRA 15-4)
(Ion exchange resins) (Precipitation (Chemistry))
EFROS, S.M.; BOYCHINOVA, Ye.S.; CHUPRIK, V.F.
Vanadatometric determination of barium ions. Trudy LTI no.48.
165-168 #58. (MIRA 15:4)
(Barium--Analysis)
EFROS, S.M.; BOYCHINOVA, Ye.S.; HZNETSOVA, A.R.
Determination of zinc and nickel ions in an
electrolytic bath of
nickel black. Trudy LTI no.48:169-174 '58. (MIRA 15:4)
(Zinc--Analysis) (Nickel--Analysis)
EFRDS, S.M.; BOYCHINOVA, Ye.S.; GORFUNKELI, Yu.M.
Complexometric determination of copper and zinc ions present together.
Trudy LTI no.48:175-178 158. (MIRA 15:4)
(Copper--Analysis) (Zinc--Analysis) (Complexons)
BOYCHINOTA T S lFROS, S.M., MO(BA)MIY, V.D.
Tolumetric determination of evall quantitlem of ozygen. TrudY
LT1
no.58:31-35 1590' (KIM 13:7)
1. L"ningradekly tekhaologicheakly inatitut In* Lensaveta.
(Ozygen-Analyals)
ALESKOVSKIY, V.B., prof.; BARDIN, V.V.;-= IN
, _P4 QYA, Xe.S.;,
BUIATOV, M.I.; VASILIYEV, V.P.,- DOBYCHIN, SA.; DUSHINA,
A.P.; KALINKIN, I.P.j KEDRINSKIY, I.A.; LIBIDIA, R.I.;
PRIK, K.Ye.; SETKINA, O.N.; KHEYFETS, Z.I.; YATSIKIRSKIY
K.B., prof.; VASUVICHj D.N., red.
[Pbysicochemical methods of analysis ; a laboratory manual]
Fiziko-khimicheakie metody analiza; prakticheskoe rukovod-
stvo. Moskva# Khimiia, 1964. 451 p. (MDA 17:12)
L 52301-65 -4 JP(C) RW'H/jD/,VV'W1/JG/FLk1
ACCESSION NR: AP5008816 UR/0080/65/038/003/0674/0676
AUTHOR: Boychinova, Ye. S.; 1(haritonova, E. V.
.TITLE: Inorganic 1. . .. hanger ased on polyphosphates
S$
',SOURCE: Zhurnal prikladnoy kbimii, V. 38, no. 3, 1965, 674-676
.~TOPIC TAGS: ion exchanger, inorganic-ion exchanger, polyphosphate,
zirconium, ti
n
ABSTRACT: Zirconium and tin were precipitated on sodium
polyphosphate to produce
inorgaiiic ion exchangers. The base sodium polypbosphate was
prepared by fusion
of sodium dihydrophosphate (NaH2PO4-2H2O). In the case of
zirconium-loaded poly-
phosphate a solution of 1.86 grams of Z-rO(NO3)2 in 14 ml of IN
nitric acid was
added with vigorous stirring to a cold solution of 5.6 grams of
sodium polyphos-
phate in SO ml. of water. The precipitate was washed to a pH of 3 to
4, filtered,
and dried at 80 to 1000C. In the case of tin-loaded sodium
polyphosphate the base
was prepared by fusion at 9000C. A solution of 3.4 grams of SnC12 in
14 ml of _V;
hydrochloric acid was added with vigorous stirring to a solution oil
2.9 grams of
sodium polyphosphate in 50 ml of water. The 3-4 hour precipitate was
separated
1/2
L 52301-65
'::ACCESSION HR: AP5008816
band it contained 13.3 per cent Of P205. The 12 hour, precipitate
contained 37.3
Zr4+ ion-loaded sodium polyphosVhate readily absorbs such
Per Cent Of P205. The
3+ 2+ 2+ 2+
cations as Fe , Cu , Ba , Sr . Ni2+, Sn2' , and Sb' . A treatment
with 2N
hydrochloric acid leads -to displacement of these cations with
hydrogen The
S-1-12T ion-loaded sri,,dium polypbosvhate exhibits reducing
properties; it reduces 12,
arid Fe3+ and Ag + ;ons. The Zn4 and Sn2+ ion-loaded polyphosphates
are polyfunc-
t1onal exchangers sirice they exhibit an ion exchange capacity in
both acidic and
hiasic media. The tin-loaded sodium polyphosphate has poor chemical
sta',~_,'Iity.
Orig. art. has: 2 figures and 2 tables.
ASSOCIATION: none
SUBMITTED: 03Jul65
NO REF SOV: 003
Card 2/2
ENCL: 00
SUB CODE: GC
OTHER: 006
ACC NRt A!-'6027469 SOUNE. CODE': Ult/00/i/t/66/000/005/l,'100/BIOI
AUTHOR: Iloyarchuir., A. K.
TITLE; The differchce schemes for a fourth order differential equation
with,
discontinuous coefficients
Ref. zh. Hatematil Ab
A SOURCE: a. 5B531
REF SOURCE: Vychisl. matematika. Mezhved nauchn. ob., vyp. 1, 1965,
197-115
TOPIC TAGS. difference method, differential equation, boundary value
problem,
numeric solution, finite difference
ABSTRACT: A numerical method for the solution of the differential
equation
U
+
d.11 ZFx dx)
with boundary conditions
U(0)-U'(0)-U(1)-U'(1)-.0. (2)
by means of difference schemes on nonuniform lattices has been
8escribed. After
numerous transformations the problem goes over into a finite difference
bouadary
problem corresponding to (1) and (2) of the form
Card 1Z2 UDC: 518:517.91/.94
ACC NR-- AR6027469
Vk.P-O yj 01 (1- 1.2,..., N- 1). (3)
-0. (4)
2h, 21t1V -0, 1,,V-O
(Nu-number of steps on the lattice over the segment (0, 1]. The
system of difference
equations (3) and (4) can be written in the form of an operator
equation
and one can introduce into the investigation an N-1-dimensional
vector space. The
author proves three theorems: 1. The operator Lhi is self-adjoint in
the Lagrange
sense. 2. The operator Lh, is positive definite. 3. For the operator
L hi there
exists an inverse operator L~~ which is uniformly bounded with
respect to hi and
defined over the set of vectors of the 4D type. The latter theorem
establishes the
hi
existence of Green's difference function for the operator Lh The
formula for the
error estimate is also derived. It is noted that the homogeneous
difference schemes
L(k.p,qf) secures a high accuracy during the numerical solution of
the problem (1),
hi
(2). (Translation of abstract) Bibliography of 5 titles. 1.
Shelilchova
Sun 112
;kUTHOR: Kriksunov't VeG. (Active member of society); Boychuk,,B.A,
(Activt member of society)
ORG:. ~none
TITLE: A frequency retuning.tunnel diode relaxation oscillator
SOURCRz,., Radiatekhaikao .Y.* .22 no. 1 .1967 41-46
TOPIC TAGS: relazatloh'oscillator, tiinnel diode
a twmal diode vith-~broad-frequency. ri7t~mi4
ABSTRACT:,,A relaxation oscillator Using*
-is described. The'sine waves obtained after'filtering relaxation
oscill&-
tions generated-by the'oscillator.vare Investigated. The*circuit of
the
relaxation oscillator is shown'in Fig. 1. Toits of the device over a.
Cwd IL2 UM 6a1;'3?3*53'-
ACC NRs -AP7005~ 5
-7
A
-6g. 43.
19
rig. Relaxation oscillator circuit
-broad frequency'range (from 5 cps to ~O me) demonstrate good
agreement
*between calculated and the experimental data. Variations of the
control
voltage within 120-180 mr caused a relative frequency deviation of
0.3. The output voltages were varied vithin 42-73 my and 6.1-6.5 my
for
output 1 and output 2,Lrestectively. The harumic coefficient of the
out
'put voltage van 3%.vith a If filter consisting of a X section and
two
M half_8eQtjon2L(M a O.Q. With the use of a germanium tunnel,
frequency
'deviation is-approximately W when temperature varies within t100.
Qrig.
art * has: 10 formulas,_ a~n4_ 7: t figures. [Gal
SUB .dODEs 091 'SUBM,DATEs .24Apr64/ PRIG RErs 004/ ATb PRESS: 5116
.Cwa i/2
BOTCHUK. B.N
Mooed ffte bons PUstIc mwpry In oxperlsout, Ortap,,trava.1
protes. 20 no,'i2s27-32 D 159, (KM 13
as
I. I.J6fe4Y opsratlvW thIrMit I topogmf laimalmy, anstoidl
(Sav. - Wof. T.K. Mommitow) Zabsuskw md1tolaskeso lustltuta.
(B= AXD BOOS transpUntation)
BOBRMNIK, D.P.; BOYCHUK. G.V.
Mineralogy or Turonian chalk in Kromensts. Min. abor.
no*17$113-n9
163. (MIRA 17%3-1)
lo Gasudariltwennyy univorsitst issni Frank*j. LIvov.
BOYC.VfUKP G. V.
Mineralogy of Senomanian sediments in the surroundings of
Izyaslav.
Min.sbor. 18 no.1:91-93 164. (MIRA 18:5)
1. Gosudarstvennyy universitet imeni Ivana Frankof Llvov.
BOMHUM 1.*.N* insb*l SOBM'q D.lep Insho
Resources of staime crushing p3ants, Strol, mat. 9 no.10s:12-U
0 163* (KMI 16ill)
S/102/62/000/001/OOG/007
11201/D302
AUTHOR: Vt- (Kiyev)
TITLE: Determining the optimum supply voltage for controlled
a.c. choke coil drives
P19-1101) I CAL; Avtomntyka, 110q 19 1962, 66-73
TIM: The author analyzes the most general case of a.c. supply voltage
required for saturated chokes when the maximum required motor voltage
is
nearly equal or equal to its nominal voltage (U nom ). If Um is the
supply
voltage and U. is the required motor voltage then Um -:?~- 1 and the
opti-
Im
mum value of this ratio is determined from U.
the point of minimum weig.ht and value of the im
saturated choke materials., IFor the condition UMP:ZIU im the
saturated choke
voltage at maximum magnetization U and the core induction Bc should be
near zero. For this condition the control amperewturns aw(i should be
Card.1/2.,_
S/102/62/000/001/006/007
Determining the optimum D201/D302
very large, resulting in high copper losses. It is shourn that
increasing
the supply voltage leads to (it-creasing aw(i) It is shown that the
a.c. ampere-turns aw(i) -1can. at the same time be made to remain
constant
and induction BC to increase. This leads to a decrease of the control
ampere-turns aw - , resulting in a decrease of weight and cost of the
t/
controli windingNf the saturated choke. The weight of iron of choke
cores increases with increasing UM, the copper weight of a.c. windings
changes little, so that the minimum cost and total weight of the
material
may be determined from an optimum value of voltage supply. The design
examples show that this minimuni value of the supply voltage is of
the order
of 10 to 15% above the maximum motor rating, resulting in 15 to 209,60
savin- in the cost of chokes, and in an increase of the saturated
choke
power gain. There are 2 tables, 5 figures and 4 Soviet-bloc
references.
SUDMITTED: September 10, 1961
-Card 2/2
BOYCHUK. Leonid Mikhaylovicb;.TITOVA, N.M., red.;
TURBANOVA,
A., takhn. red.
(Contactless control systems of small automated
electric
drives] Beskontaktnye sisteny avtomatisirovannogo
elektro-
privoda maloi moshchnosti. Kiev, Izd-vo AN USSR, 1963.
50 p. (MIRA 16:10)
(Electric driving)
BCTGHUK, L.M. [Boichuk, L.M.] (Kiyev)
Determination of the optimum transmission number of
reductors for high-speed servosystems. Avtomatyka 9 no.l:
79-79 164. (MIRA 17:3)
BOrCHUN9 L" ("V)
Analysis of optimm systeLms of automatic
stabilization.
Avtomatyka 8 no.6s47-57 163. (MIRA 17s8)
VEP.I,,:,T'GW,GJPY inzh.; BOYCHUK, L.M., inzh.
Gontactless devices for dynamic braking of asynchronous
electric
motors. Energ. i elektrotekb. prom. no.3:38-40 JI-S 165.
(MMA is.. 9)
L 55215-65 (k)/PYP(b)/Lr4A( c) Pf-b: 11D1/i_DM
A'CCESSIOP IM: U501526" UR/Q286/65/OW/009/OCV.6/oU6
AUTWRS: BoyebUk, L. M.1 Podola, N. V.
TITLE: De-ice for autonatic stabilization of arc voltage. Class
21, No. 170594
SOURUE; ByaUetenl izobratenV--i Uv&Wkh mmkov, no. 9,, 1965, 46
zqr',~ Ar' Ming
TOPIC TAW: -voltage Btabili O~we
ABSTRACT: This Author ftr4ficate presents a device for automatic
stabilization
w4
of are voltage &on weldingWith i 'Noible electrodes. To increase
the accrLracy;
responBe rate, and reliability of the arc voltnga stabilization,
the dovice huav
a t~o-phase sic motor, reversible using diodes. The diodos are
connect-ed Ln
the control circuit through rectifier bridges and wtehing
transfor-,mrs. The
transformers are controlled by two nonsymetric triggers with
emitter coupling
and by a high sensitivity semiconductor de amplifier. The
difference between
a ref erence voltage and the m-o voltage in f ed to the ampl If
'er inp?_
ASSOCIATIM nonD
SUMUTTED i (Y7Aug62 n"CL 1 00 SUB GOIZ I EG, M
NO REF SOV: 000 DTMs ODD
A4
SMDRODINTSRV~ A.A.; B-DYCHUK, L.M.; SHIMA, Ye,S.
loolatton and study of measles virus strains* Trudy
Ion.insto
opid.1, mikrobiol. 176-12 158. (MMA l6t2)
lo Virusologicheokqa laboratoriya Leningradskogo
inotituts, opl-
demiclogli,, mlicrobiologii i gigiyany imeni Phstera.
I (P=LW--WCROBIOWGY) (TIMR CULTURC)
BOYCHUN, LA.
Reproduction of the influenza virus in the upper respiratory
tracts of white micas Trudy lensinsteepid.i mikrobiol. 17a
93-10Z-958. (MIRA 1612)
16 Iz *ImsolOgicheakoy laboratorii (zave -
chlen-korrespondent
AM SSIR prof6 AeA. Smorodintsev) leningradskogo
instituta-epi-
demiologiip m1krobiologii i gigiyany imeni Pastera.
(IMIMU W&&.MGROBIOIDGI)
-r-gm"J~
ftudy of the smaiti so of a senm against influmm
SW prop;!!" pid.i mikrobiol. 17t
in an emperlment on ilen.inst.0
103-U7 (KMA 1632)
1. Is virwologichaskoy laboratorii (sav* -
chlen-korTespondent
AM SSSR prof* A.A& Smorodintser) laningradekogo
instituta epi-
deniologiip mikrobiologii i gigiymy imeni Pasterao
(W=10 (SM THMM)
BOYCMJK, L.M.
Pbosibility of samitizW hman beings vith an anti-influenza
serum tbrau&-ita introduction into the upper respiratory
tract.
Trudy Len.lmst.epid.i mikrobiol. l7s118-126 1%0 (MIRA 1612)
1. Is virusologicheekoy laboratorii (save- cbleZ-kOrreMPOndQDt
AM SSSR prof. A.A. &moroclintsev) lanizigradakogo instituta
epi-
deniologiip mikrobiologii i gigiyeny imani PUterae
(INFURNZA) (SIM THMN)
SNMDIWTSUP A.A.; SHTKINAv Ye.3..-, H3SHAWVA, V.N.;
WGMRAv R.N.; BYSTRWOVA, L.V.; PETROVA, M.N.
Reactogmic amd i=nmgsnic properteis 6f ltvs time
wasles
vaccim. Trwity Lon.inst.epid.i mikrabiol. 19*3-M
1!99. (KMA 16 &2)
1. Iz virueologicheskay laboratorii (rukovoditall- -
cblm-
korrespondent ANN SSSR prof. A.A. Snorodintser)
Leningradakogo
instituta opidmiologiip mikrobiologii i gigiyany
Imeni Pkatem,
. (KLqSIZS.-PMETM INOCUIATION) (VACCINW)
SHIMAv U.S.; WYCWZ, L.M.; MESHAIDVA, V.N.
Mological, properties of the measles vJjws during its
prolonged
culttmtion in tissue cultures. Trudy4mmel*tospid.i
mikrobiol.
l9a21-33 11-59. (KMA 16:2)
1. Iz virusologicheskoy laboratorii, LeningradBkogo
instituta epi-
demiologiij, mikrobiologii. i gigiyeny imeni Pastera
(rukovoditell -
oblen-korrespondent AM SSSR prof. A*A. Smorodintsev)o
(KWLES) (TISSUE CULTURE)
BOYCRUIP L.M.
Pftpbylactle and therapeutic action of anti-influenza
9 In
an ezpariment on white mice. Trudy Len.insteepid.i
mikrobiol.
190447 0590- (MIU 16t2)
1e is viruedlogicheskoy laboratorli (rukovoditell -
oblen-
korrespondent, AWSSR pof, A,,A* Smorodintsev)
Leningradskogo
Smatituta, spidedologlip mikrobiologii i giglyany
imeni ftetems
(INFLU=Um4WMTM INOCUUTION) (B=M THWM)
BDYCHaK, L.M.; SHIKINA.. X96SO
Resistance of Ussue -cultures of the measles virus to
storage
under refrigeration and to 1yophilic drying. Trudy
lan.inate
epid,i mikrobiol& 1994"3 t59. (KMA 16 s2)
1. Is virusologiahookoy laboratorii, (rukovoditall -
chlon-korrem-
pondent ANN SSSR prof* A.A. Snorodintsev) Inningradekogo
institute,
epidemiologiis, mikrobiologii i,gigiyeny imeni Paotera.
(HUSLES-441CROBIOWGY) (MOPHILIZATION)
SHIMA, Ye.S.; ItOYCHU1 RNOSOVAP L.M.
Reactogenic and 4-imogemic al-wracteristics of mmalteneous
vaccination conducted with a live antiparotitis vaccine and
a killed polimWelitis vaccine. Trudy Len.inst.epid. i.
milkrobiol.
190-15-123 ~-99. (MIU 16s2)
1. Iz virusologicheekoy laboratorii (rukovoditell -
oblen-korres-
pondent AMN SSSR prof. A.A. Smorodintsev) Leningradskogo
instituta
epidemiologii, mikrobiologii i gi imeni Pastera.
(MUMPS-PREM7M INOCUILAATI (POLIMURLITIS VACCINE)
SMORODINTMp A.A.; BOYCHUKp L.M.; SHIKINAp Ye.S,; BYSTRYAKOVAp L.V.;
PFJUDZEP T.V.
State of 4MMinity in children vaccinated with live vaccine against
measles. Vop. virus. 7 no. 1:59-67 Ja-F 161. (MIRA 14:4)
1. Virusologicheakaya laboratoriya Leningradekogo institute.
epidemiologiij, mikrobiologii i gigiyeny imeni L. Pastera.
SHEMA,-Ye.S.; BffCHUKp L*M*
ACOM,laticam of complement fixation antibodiao in children vacci-
mated with a live antimeaslas vaccine, Trudy Iminstospidei mikro-
*biol. 2332-42 f6l. (HIRA 1632)
1. Is virusologicbeekoy laboratorii (rukayoditell - oblen-korres-
pondent AMN SM.. prof..A.A. Smorodintsay) Uningradekogo inotita-
ta opidmiologii i mikrobiologii imeni, Pastera.
(MUSLES-PUMTIVE I110CUUTICS)
(ANTIGIMS AND ANTIBODIES)
SMRODIN75EV., A*A,; BOIGHUIE, L.M.; SHIKINA, TeS,;
BrSTRYAKOVA, L.V.;
TRUM, T.V.
State of immunity in children vaccinated vith a live vaccine
against measles. Trudy Len.inst.epid.i mikrobiol. 22:7-M
(NM 16s2)
le:nrusologicheska7a laboratorlya Leningradskogo, institute.
spidemiologiip mikrobiologii i gigiymy imeni PMtera,
(MMIES-PRNMTM INOGUIATION) (DMITr)
L.M.. SBIKInA. Ye.S.; FISARSQ, S.A.
Titration of antlaeasles dntlIodies in'donor sermw and
gama
globulin. Trudy Len.inst.spid.i. mikrobiole 22&61+-73
161,
(MM 16%2)
lt 1z virueologicheakay laboratorii (rukavoditelt
ablen-korres-
pendent AM SSSR prof. AeAt, Smorodintsev)
Laningradskogo itsti~-
tuta spidemiologil i m1krobiolo i imeni Pastera.
(ANTIGENS AND AVT1WDIES) raAMMA. GLOBULIN) (SERUM)
BOYCHUK L. M.; SHIKINA~ Ye. S.; T17KITIN, M. I.; MESULOVA, V. N.;
TARDS, L. Y-;
k REVENOK, N. D. SAFAFIOV, D. I.i SMOMDINTSEV, A. A.
WTbIe Safety and Epidemiological Effectiveness of Live Measles Vaccine
Developed in Leningrad."
BOYCHUX L.N.- MAVL'V-UTOV, R.M.
Losser cf petroleum produats at heat c-racking installations.
Nefteper. x n,.=.L'tekh�m. no.llc-:-7 (MlRA, 18.-2.)
1. Nauuhno-issledovatellskiy inst-Itut po transport-u i
khrane-
ni*yu neft-I i nefteproduk,.ov, M.
Amoont of growth substances Is the organs of tomatoes as related to
nitrogen nutrition. Ukr.bot.shur. 17 no.1:19-2B 160. (KIM 13:6)
1. Inatitut botoulki AN USSR, otdal fiziologil rasteniy.
(Tomatoes) (Growth promoting substances)
Dynamics of auxins In germ1nating tomato seeis. Ukr. bot. shur.
17 no-5:23-31 160. (MYR- 13:12)
1. Institut botaniki A31 USSR, otdol fisiologit rasteniy.
(Tomatoes) (Germination) (Hormones (Plants))
BOYCHMY O.B.
DCstributian and dynamice of growth oubstanceis in yotmg tomato
plants.
Mcr. bot. zhur. 19 no.3t34-45 162. (14IM 15;7)
19 Institut botaniki AN USSRs otdol fiziologiia
(Growth promoting subetances) (T=atoes)
L Aii-& ENV (d) Be
ACC NMI
AP60242M SOURCE CODE: UR/0198/66/002/004/0114/0.121
..:.AMC)R: Bo i9v
yaha
-(Institut
ORO t Institute,of Mathematical AN ta-m tiki, AN UkrSSR).
TrMs On the problem of antonowun determination of coordinates
SOMME t PrikladWa wHianlka. v* 2p no* 4p 1966jo 114-121
~'.TOPIC TAW s navigation system, coordinate system, inertial
navigation equipment,,-
Inertial g"nce gyroscopes, stabilized platfom,, error correction,,
integral equa-
tion, second order differential equation
ABSTRACT i A solution of the Problem of the errors in autonomous
determination of
.~_'coordinates caused bV Instrummt errors of the systen and
nonobservance of the
initial conditions is given. For an arbitraryj~~~ gation~ system with
a
.'.:.horizon-stabilized platform, the equations for determining the
coordinates with a
&ographio grid i
d d
T
Flow k + U + - cosgsink MA;
( .
d d.%)
-sink + + Cos Ip Cos kof M;
dk d
+~U.+ sin 4p a. (t);
dt)
Qw
L 33472-66
.~.-~A-CC -MR& APW=O
"whers..f.48 the lat1tudep X In the longitude; k is the angle
between north and the
4iZed bearing of the horlsonUilly stabilized platform, CO., Wyp Oz
are the projec-
tioni xv, yt and a axes of the angular velocity of the trihedron VZI
and U
In the 4VgU2ALr velooity of the diurnal rotation of the earth. The
system of error
&D
CM TOX Be.,
J"
sin 9AX
df
df
-where
"ViT -t
U +
1W
s
in + vg cin AP) va to 9*
AP B~ vi dn k$ ccsAk
"NE
the error "aten
C
j
-j
Act 4
AP60~=O
.
'
'/
i~
-
O
CrA
Cjjdn%+Cj
0 7W
L
os
X x-Csdnx+dnx -W-sln xdf +
F
COG
q
d(
-
Cos x
+
A
x-Cslnx+slnx -sinxdt +
(C,
Cm X& d( ~.Cfp!
+
Ut +V Xf (0); -'v, sin 90 + B. cos
L 33472-66
0
S/~ 61/000/002/004/005
IPD3 0 2
D251 13
AUTHORS:- Boychuk.-O.P., and Temchenko, M.Ye. (Kiyyiv)
--------------------
TITLE: A method of eliminating ballistic deviations in a
triaxial gyroscopic stabilizer
PERIODICAL: Avtomatykat no. 2t 19619 44 - 52
TEXT: The authors propose a scheme for a triaxial gyroscopic sta-
bilizer, with mechanical correction to eliminate the ballistic de-
viations arising through manoeuvering of the base or acceleration
of its motion. The skeme is shown in Fig. 1. Gyroscope 1 stabili-
zes the platform P around the axis of the ring K, and gyroscope 2
stabilizes it around the axis of the stabilizing plate S. On the
axes of the gyroscope casings sensors 15 and 16 are set up to mea-
sure the deviation of the casings from their initial positions.SM 2
and SM3 are stabilizing motors, to which the sensors are attached.,
By means of the inclination of the stabilized platform to the ob-
ject at an angle proportional to the velocity of the object, and by
Card 1
309714
S/102/61/000/002/004/005
A method of eliminating ballistic. D251/D302
varying the correction mechanism of one of the gyroscopesp ballis-
tic deviations may be eliminated. The proposed scheme is conside-
red on a theoretical basis. Linearized equations of motion are de-
rived
da. mRk dw_*
- _i- Mgh a I W'.P W., - dt +
dt H
dP rh d (14)
+ Ilgh + 49
a wy. + mRh + W'-e)
dl H H
dt dt
where We U Cos IF Cos
V
+UC034psinx;
_Y_ R
(15)
V dx
W~e U SIn 9+ k tg OF'31n 'A
dt
where a is the angle of turning of K with respect to the object,
the angle of turning of S with respect to K around the axis of r(.
volution of the stabilizerp e is the angle of platform 2 with re-
spect to S, H is the principal kinetic moment of each of the gyr;
Card 2//-?
30974
S/10 61/000/002/004/005.
A method of eliminating ballistic D251YD302
oopee#. m is the mass of the.opindle 51 h is the arm of the spindle
4t U is the angular velocity of the earth, cp is the width of the.,
locusp and'3t is the path of the moving object. Special cases of the
equation are considered (simplifications of the law of motion). A
theoretical basis is given for the proposed method of eliminating
ballistic deviations. In conclusion, a numerical example is given
in which the velocity and ballistic deviations is calculated for
an ordinary'gyrosc .opic stabilizer with mechanical corrections.
There are 6 figures and 4 Soviet-bloc references.
SUBMITTED: January 3P 1959
-Car d 3Y
ACCESSION NR2 AR4OZ3M 3/0270/64/0001002/0049/004
SOURCEs Mh . Geodeziyas Abse 2052ozm
P.
AUTHORs Boychuk.
TITLE: Procession theory of a kinematical3y imperfect thres-axis
awsooplo.
stabilizer with mechanical correction of horizon and azimuth
CITW SOURCE:, VietTW*k Ky*yivstko w-ta, noe-591962s Sere mateme
ta makhan., vy*pe 2, 88-101
TOPIC TAM: geodesy, mechanics, gyroscopes
TRANSLATION: A throe-gyrosoope system for stabilizing a body with
respect to
At azimuth and,horizon is considered. The basic element of the
system, a platform
suspended in gimbalso is stabilized by two gyroscopes# to the
casiMs of which
are attached loads developing the oormatIM momints proportional to
the
deviation of the plans of the platform from the horizon. The
correction of the
I system with respect to "Unth may'be. aacouplished by meau of a
load suspended
r6d 1/2
ACCESSION NR AR4023281#
in the casing -of a third Vrosoope or bV mearm of connecting the
gyroscope, to a
imagnetio compass, The problemais solved under the assumption that
the
wstabilizer has a number of defects: inacewwy in fabrication of
parts, poor
ladjustmant of the,axes, andincorrect placement of the 2o&ds* An
analysis Of
I the differential, iquatAons of motion of the system, obtained
urAer the assUM20
tions defined that simplify the problem. shows that the basic
err-ors in the
1,operation of the device d"oribed am predetermined by
imperfoctLons in the
Isuspension of the sensitive amw of the gyroscopes providing tbo
stabilization*
10. Razdymakha..
SM ames Me, 19 rams :00
DA29 ACQs 66mar"
--- ----- --
-8t6 -4/
2' 9- _~k)41EWG(V)1tED;-2A (b), Pn
Pq-Wg-4/~k-14/4-4
ASD(d) DC
I
ACCESSICN? NR: AP404W95 S/0021/64/000/0110/1294/1298-
AUTHOR: Boychuk, 0. P. (Boyakuk, 0. F.)
TITM: Stability and self-oscillationa of a nonlinear stabilization
system
SOMBs AN UkrRSR. Dopovidi$ no* 10p 1964j. 1294-1M,
TOPIC TAM gymccopic system, hamonic linearization, energetic balance
ABSTRACT: The author considerB a gyroseopic stabilizer as a
self-regulating
system. He developed a method for study of nonlinear gyroscopic
systens which
is based on joint upe of both methods: of the harmonic linearization
and the
energy balance. The periodic regimer in the system are derived fron
the 1-in-
eari;ed equation of motion of the instrLment, and the stability data
are re-
corded by moans of energetic relations, The problem of the gap is
solved to
the end In a general form. Orig. art. has: 17 formulae.
rd 2/2
EVIT(d) BC
ACC NRt AJ?603.1416
SOURCE CODE: LT/OC)2:L/66/000/003/0322/0327
AWHOR: BMqhuk, 0. PO -BOMWk"._~_
ORG:, Institute of Mathematics AN UkrSSR (Jhstytut~ matematyky AN
UkrSSA)
Tim:- Correlation of'errors'in the~.autonomous determination of the
coordinates and
oscillations of platforms in, inertMM navigation
systems
SOURCE
AN tYkrRSR. Dopovidi, n06 3'- 1966,.322-327
TOPIC TAGS: inertial navigation. equipr~ent, gyrostabilized platform,
navigation com-
puter I*Ao~f"L_
ABSTRACT.- The author determines the direct connection between the
angles of the dft-
viation of a stabilized platform from the horizon and the errors of
autonomous deter-
mination of coordinates of an inertial system with arbitrary
orientation of the plat-
form in azimuth. The differential equatibno for the stable platform
are those given
by A., Yu. Ishlinskiy (Mekhanika'spetsiallrWkh giroskopicheskikh
sistem (Mechanics of
Special.Gyroscopic Systems],,,Mop.1963)o The expression for the
deviations*6etween
the actual angular velocities and the angular velocities of the ideal
platform are
expressed accurate to small 4pantities of second order* Expressions
are derived for
the input -quantities that must be applied to the computerp to
eleminate the resuit'aa
the angular errors as.vell an the parasitic torques acting on the gyro-
scopesjo as well as, the platform oscDlations. Thifi-Y
of AN UkrSSR Oe' Yus lablinst1gy (A. Yu. Ishliriiki~
SUB CODE: t7.i .12/_: Sum DATE: .68.)bl65/ ORIG MW 604
Ca
BOXGHUK, F.K. (stanlglavskaya obl.8 pos.Solotvino, ulq Krasnoarmeyokaya)
Came of e3ftenaive resection of the intestine. Nov; khIr. arkl.. no.3:
89-90 My-Je 160. 15;2)
1. Solotwinskaya ray==yab~l'nitsa.(9lavnyy vrach - N.M.Mosiyehuk)
Stanislavskoy.oblasti.
.(INTESTINkS SURGERY)
BOYCHUK, R.F.
Electrode-impedance in solutions of chromic acid.
Ukrkhimxhura(-.28 no*9:1042-1047 .162, (MIRA 15:12)
1. Chernovitakiy gosv*arstvennyy universitet.
(Chromic acid) (Electrodes)
(Upedance (Electricity))
Tadeusz; BOYCHUK, Stefan; KDZIOL, Krystyna
Studies on auto-antibodies In acquired hemolytic anemia. Arch.
lamun. ter. doxv. 3:299-3D9 1955.
1. InstytUt Immunoolgil I Nwapli Dosviadezallaej PAN we Wroclawlu
(Dyrektor: prof. dr. L. Htrszfold) Dzial Ismuzologil Ogolnej
(Kisrownik: irof. dr. L. Hiresfeld) Panstwovy Sipital Wojewodski
we Wroclaviu, Oddsial Vownetrsny III (Ordynator: dr. B. Boychuk).
(ANIMIA, HMOLTTIC, imunoloff.
auto-antibodies in acquired anemia (Pol))
AYZENBERG, B.L.; BOYCHUX, S.I.
New modification and experience in using a closed electric network.
Trudy LIEI no-33:124-142. 160. (MIRA 1418)
(Electric power distribution)
.BOYCHUK,, ~,I,, "i,
4 , # , I
Achievement of a closed-loop network in a. M ?iP&l
6~anj~~
0.38 kv. power'distribution system. Elek.stt 33
no.124
D 162. '(MM 1644DN
(Electrie power distribution) . V
SIROTA, I.M., kand. tekhn. nauk. (Kiyev); NAU14OVSKIY
L.D. inzh
(Leningrad); TSIRELIq Ya A:, inzh. (LeningrL),- Rxi ,
Z.I.
(Bobruysk),- KAMENSKIY, A:F (Bobruyek); BOYCHUK, S.I.
(Bobruyak);
- h. (Kaliningra37,---MTMMT',--ru.S.-, inzh. (Riga)
Neutral operating zole in electric power distribution
systems.
Elektrichestvo no.1:84-91 Ja 16,14, (MIM 17:6)
- iK)YCB
tr-lxf-,--111;~U-4 , -
U3e of cloa-ed-loop 6 an-~ 0.1,8 kir. net,,rorhr In Ir'
b'~Y%vr-` 0
Trudy LlEl no.4l.-9-,-99 qcl'-
KMk 179b)
1. Llcbruyskiy eetevoy rav~:.111,
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BOYCRUK,,V., inth.
Why are efficient road mterialm not used? Avt. dor. 28 no.4:
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BDYCHUK, V.,l inzh.; YERNIN, F., inzh.
Information. Avt. dor. 28 no-4:29-30 Ap 165.
(MIRA 18:5)
:;m:
TRIFONOVA, L.F.; 130YC JKA V.~. ITYUKTINY A.I.
_; VERBITSKIY, P.G.; PAN
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i
t
30YOUK, V.S., inzh.
C------ --
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-- -- A- -1 -'1 -,L A -- - -A.- N
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Vost. no.7s29-36
I (V+ 0 (Ml%k !8t10)
FaCe)
ACC NRs AP6032957
SOURCE CODE: UR/0363/66/002/0110/1897/1891/"/
AUTHOR: Tresvyatskiy, S. G.; Boychun, V. Yu.. Yaremenko, Z. A.;
Klimenko, V. S.
ORG: Institute of Problems of the Science of Materials,
Acadenq__qf Sciences A UkrSG
(Institut problem materialovedenlya Akademii nnauk Uk-rSSR)
TITLE: Some properties of foamed quartz glas
SOURCE: AN SSSR. Izvestiya. Neorganicheskiye materialy, v. 2, no.
10, 1966,
1897-1899
TOPIC TAGS: quartz, quartz glass, foamed glass,
thermal insulation, heat insulation, insulat-
ing material gi-45-S -'A#30"7704~ 6kqss poeopsery , Pooeo3jry .
Nefir
RfSiSr-njor' 04LAWS .1 . I
ABSTRACT: Some of the physical properties*of foamed quartz g1 s
have been studied
to determine its prospective use as a heat insulatiniz
materiallZat high temperatures.
The material obtained had a .density of 0.3-0.35 g/cm' and an
actual porosity of
80-85%, 20 to 30% of which were closed pores. Large pores with a
diameter of .5
to 2 mm were seen; small closed pores with a 0.1 mm din ter were
situated in the
wall of largerpores. The foamed quartz glass contained no
crystalline phases. Its
refractive index was 1.455 t 0.001. Compressive strength,
determined on cubes of
10 x 10 x 10 to 20 x 20*x 20 mm, was the range 40-70 kg/cm2 at
20C. Thermal con-
ductivity was in-the range 0.1160 to 0.250 kcal/m.hr. centigrade-
The heat resistanct
Card 1/2 uDc: 666.19+666.189.3
MVEWP(J)h TJP(c
r-- 102-1993-67
ACC NRt AP6032957
of the material was tested on 10 x 10 x 16 mm, cubic samples by
repeated thermal
shock cycles: heating for 5 min at 1400C with subsequent quenching
in water at room'
temperature. The samples withstood 25-30 cycles. Additional
shrinking of the
sargles at 1600C was insignificant. The temperature of the start of
deformation
under 2 kg/cm2 load was 1680-1690C, while the failure temperature
was 1690--1700C.
An essential disadvantage of the foamed quartz glass is its
devitrification at high
temperatures. In this connection, the effect of various metallic or
nonmetallic
oxides used as additives [amounts not specified) was studied. It was
found that
trivalent ions (b in particular) inhibit crystallization of the
material-, the
inhibiting effect of quadrivalent ions is less pronounced; quinque-
and sexivalent
ions produced an insignificant effect. Uni- and divalent ions
promote the crystalli-
zation. Foamed quartz glass compares favorably with other high
temperature insulat
materials. Orig. art. has: 3 figures and 1 table. T'
Sim COIS: II/ SUBM DATE: 04Dec65/ ORIG REF: 005/ OTH REF: 001/ ATD
PRESS: 5099