SCIENTIFIC ABSTRACT KOVARSKAYA, B. M. - KOVARSKIY, L. Z.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R000825620014-3
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Sequence Number: 14
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

~ACCESSIOX XR: AP4012089 S/0020/64/154/002/0369/0371
:AUTHORS: Akutin, M.S.; Kovarskaya, B.M.; Shabadash, A.N..;
Konovalova, B.Y#V;--~'l,
,TITLE: Pyrolytio method of block copolymer, synthesis
SOURCE: AN SSSA.' Doklady*, v.154, no.2, 1964, 369-371
:TO?10 TAGS: pyrolytio synthesis, block copolymer,'froo radical Inter-
abtion, block copolymer synthesis, SKX 26, ED 15, nitrile rubber-
epoxide tar, polyethylene-polyisobutylene mixture
'A
BSTRACT: The authors have used the Interaction of radicals formed
during thermal destruction of two or more polymers for the synthesis
of block copolymers. It was expected that new types of polymer mater-
ials would be formed by recombination of radicals at moderate heating.
Tne interaction of polymers with reactive oligomers and Interaction of
two polymers had been studied, specifically, the mixture (1:1) of
nitrile rubber S*rW 26 with epoxide tar ED 15, low pressure polyethy
leno and tar ED 15, and polyethylene and polylsobutylene (mol. wailf4t
200,000). Por thermal destruction.,temperaturesof 2500 and 2200 were
'Cdrcr. 1/2

!AOOESSION NR: AP4012089
i
used for 1 hour. The solubility of one of the components of the mix-
.ture before and after,heating is given In a table. Infrared sPGOtM
of the components and of the product after heating are reproduced in
,-two figures.- These data indicate that heating of mixed polymers (in
Ithe absence of oxygen) actually res4ts in the production of block
loopolymers owing to recombination of radicals. Orig. art. has: 4
ifigares and 2 tables.
'ASSOCILTION: Gosudarstvanny*y nauchno-lusledovatel'skly Institut
plasticheskikh mass (State Research Institute for
Plastio Materials).
SUB141ITTED: 24Jul63
DOE ACQ: 14Feb64
EXCL: 00
SUB CODE: OR,, RL
n nP sov: oo3
OTHER: 003
2/2

ACCESSION NR: Ap4ol3332 3/002o/64/154/03/0631/0633
Le
rskayai Be M'
AUTIHOR: Blyumenfeltdp A* Be; Noyman, Me Be; Kova
TITLE: Thermal degradation of polyformaldehyde
:SOURCE:'AN SSSR; Doklady*, v 154, no. 3' 1964, 631-633
al degra4ations decompositiono
~~"TOPIC TAGS: polyformaldehyde., them
ree radical IR spectrum, mass q~ectrometry, chromatogra-,
mechanism,,
phy
~ABSTRACT: A study was made.to determine if4either of the following
:,free radicals were involved.in the thermal'decomposition of poly
~fomaldehyde:
~A-C-CJJI-0-011-ot
-C-CHI-0
Hs.
Fomaldehyde was separated at 300C from the themal decomposition
products andthe remaining products were analyzed chromatographically-~.
by their IR spectra and on the mass spectrometqr~ Methanol, methyl
t-~O 1/2
Car

LIMNENFO, L.V. [Lytvyronko,, L.V-,I,, KOVAR3,YMA,
kand, te~ n. nauk, KORNIEV. K.A. Kornlev, K.A.I, do~tf:-r
nauk
iieohan'Lcal propertIns of epoxy re~llns -bav-A or.
ester2,1 d'LE_ ~ 'lo ethers and phthal.L: anhydrIde, Kn_.m.
O.-T-) 1641.

FEBBEKHONOVA, A.L.; KA14ENSKIY, LV.; KORSHAK, V.V.; KOVARSKAYA, B.M.;
BELOVA, A.A.
Study of the conditions of the formation of spatial structures
in furfurole hexamethylenetetramine polymers. Plast. massy no#12:
9-13 164. (MIRA 18:3)

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Stab'i.l."),zatior of polyethylp,;~tn irreplithalat,5. Plast, massy 110.2R15-17
'65. WTIRA 18-;7'~

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W994C
uiVoiqo/65/007/009/'51$A519:.
lmlcck~SION 11hu- AP5022593
vanoya, N ne.H. sot's
AUTHORS Gtir". V, D' Hij'.Krinituk~ym# 07-M
ntoov, Ei. Ui
TITLEz: _Oni the, -9hain oxidation 4f polmore b7
Alp-,
nitrgggp oxido radicalol.:
SOURCEt Vyookom6l kul 7 -
0 yarWo soyedinoniya,.,v. no.
9,, 1965p 1515-1519
TAGSs free radic6l' SPR -pol*9iftatio% hydraroboozone, free radical
pol~mrization
ABSTRACT: The kinotiw,,a6tivation onorp r six
_,ios and proexponontial facto a for
tuoon, six diftorent-:LAno';ql radicula.and hydrc
:reactious.bo mobonzonollhavo boon
Ont - --a4ablo info -
dotorutuod. .. Tho invostiaiLt.1011 %rao"undortak o oxtond currentTf r
av
taition on - thw iAbdtra~dtiou - of,- atro wbo hydr gon atow by-nitrogen, do
geu und 0 oxi
radicals discussed by is,.` be, 'Noymant TOO- G', Mamodova~ P. Blemkos'and A. Le
budbachemko-001a, AN, MR U4.-392i 1062L, Thoi radleale., atudied. uaro t.
rj ~1/4'

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i'37~15-'66 EWP(J)/EWT(m)/T 1JP(e) Py,/Ww
ACC NR. Ap6o18127 SOURCE CODE: UR/0191/66/ooo/oo6/0040/0042'
AUTHOR*,KgxarakaXa, B,-&; KolesniXov, Q. S_ Levantovskala, 1. lei
Smirnova, G. V. Poletakhina, 92
ORO: none
TITLE: Themo-oxidative de da ~~f polycarbonates,
SOURCEz. Plasticheakiye massy, no. 6, 1966, 4o-42
:'J.:TOPIC TAGS: polycarbonate plastic, heat resistance, oxidative
46graddtion, oxidation kinetics, reaction mechanism
..',:'ABSTRAC,T:'Polyearbonates, molecular weigpt of about 0,000, based on
.-2p2-di-(4-hydroxyphenyl)-propane (PK-1) on 1 l-di-0 hydro henyl)-
cyclohexane (PK-2) and on di-(4-hyaroxyphenyl~-phenylmethanxeyyPK-3)
~Were subjected to thermal oxidation in vacuum.1 Kinetic curves of the
thermal oxidations showed PK-l was most stable and PK-3 the least
stable. Energies of activation for the oxidations were calculated:
21.0, 17.6 and 13.0 kcal/mol, respectively. Reaction mechanisms are
discussed. Auto-accelerated processes are Indicated in the initial
period of thermal oxidation of PK-l and FK-2, Radical-chain oxidation
.1/2 uDc: 678.6704115-01:620.192.424

APG011=2 (A) SOURCE CODEj Ult/0413166/000/008/007410074
INVENTOR: - Gurvicb, Ta. A.;. -ja"LqhgjWZ. Zignin. yu. B.; x9y"
A
ORG: none
,TITLZ: Method of stabilizing Epkamides. Chas 39, No. 179912
SOURCE: Isobretentya, promyshlevaM obrastay. tovarapye snaki, no. 4, 1966, 74
C TAGS:. polyamide. chemical stabilizer., ~ttrkilixr-
ABSTRACT: An Author Certificate has been issued for.% method of stabilizing
polyamides by introducing plrg~~Bph-o stabilike thim.~. N-alkylated
'Luilides of arylphomphorous acids are used. to elipand the variety of organophosphorus
stabilizers. tTr&n*Wioni INT)
SUB CODE:
Card I I I af
SUBM DATE: llJun64/
UDC: 678. 676. 048:547. 55. 41

--- _(p)ZE- a (j): '
L b8799-67 EWT ~~Ajr_W
,I ACC NRt AP6030852 SOURCE CODEs. UR/0191/66/000/009/0042/0045
AUTHOR: Chibisova. Ye. I.; Kqvars ayal B. M.; P~henitsynas V. P.; Puzakova, Z. A.;
Kaganova, Ye. L.
l
ORG: none
TITLE: ~ ~dation of unsaturated polyesters
SOURCE: Plasticheskiye massy, no. 9, 1966, 42-45
TOPIC TAGS: polyester resin, pyrolysis, oxidation, polyester plastic, phthalic
anhydride, synthetic material
ABSTRACT: The kinetics of %h2rmal an4 oxidative degr~~!~AtAc!~n Of polyesters based on
ethylene glycol and maleic anhydride and on dicblorohydrinpontaerythrite and maleic-
and phthalic anhydrides were studied. The kinetics of thermal degradation were studie
in the 200-4000C range by following the pressure drop in the.system and by IR spectros
copy. Oxidative degradation was studied in the 180-2400C range and at an initial oxy-
gen pressure of 200-500 mm Hg. The low values of the activation energy of thernal
degradation in all polyesters indicate that the process proceeds via a complex mecha-
nism. The involvement of the free radical,type intermediates in the thermal degradati
is suggested. The IR spectra indicate that thermal degradation in polyesters involves
the cleavage of the C-0 bonds of the estergroups. The IR spectra showed that the
UDC: 678.019.3 : [678.67416415221448t
Card i 4-s7 a - n7u I qq9tnu A I LL,>n

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NR. AP6030852
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products of the oxidative degradation of the polyesters contain acetaldehyde, formalde-
hyde, benzaldehyde, and maleic anhydride. It is concluded that the oxidative degrada-
tion mechanism in polyesters involves an attack of oxygen on the a-carbon of the
styrene-group and the subsequent formation of hydroperoxide-type'intermediates. Un-
saturated compounds were also detected in the products of oxidative degredation, of the
polyesters. Orig. art. has: 7 figures and 1 table. I
SUB CODE: 07/ SUBM DATIE: DO/ ORIG mr: 003/ OTH REr: 005
Card 2/2 n'Bt

SMIMOVA, 1. M.; RA7KOVA, T. V.; BROWN 1. 1.; MY ... L. B.
Effect of the dispersity of filler and its grinding time on
the phys~comsohanical properti" of polymers. Koji. zhur. 24
no.6t742.,748 N-D 162. (MIRA 16:1)
1, Institut fizicheskoy khimli AN SSSR, Moskva.
(Polymers) (Colloids)

I L1,50 2`57
SKI '62/000/001/001/006
Z) Mo B1 45XB1 1 0
AUTHORS: Losev, I. F-1 Smirnovaq Oo V., Kovarskaya, L. B., Poyenaruj V.
TITLE: Synthesis and investigation of copolymerization products of
salts of a-chloro acrylic acid with other acryl derivatives
PERIODICAL: Plasticheskiye massy, no. 1, 1962, 3-8
TEXT: The Pb, Ni, Co, and Cd salts of a-chloro acrylic acid (I) as well as
polymers on this basis were synthesized. The lead salt was produced from
Pb~OH)2 and I in aqueous solution (1000C yield 89.1yo) and by reaction of
Fb Ac)2 with I in ethereal solution (300~ W~6)- It is insoluble in water,
acetone, benzene, diohloro ethane, ether, and alcohol but soluble in diox-
ane and hot I, and has a crystalline structure. The Co, Ni, and Cd salts
were prepared from the corresponding diacetates and from I in yields of
96, 97-5, and 96%,respectively. All four salts have no melting point, but
start decomposing at 200-2200C. Elementary analysis provided the formula
C6H4C1204Me (Me - JWi, Co, Cd). Addition of 0.2% Pb salt and 0.2% 1 during
the polymerization of the isobutyl ester of I in the presence of benzoyl
peroxide at 700C increases the thermal stability from go to 1600C. The
Card 1/3

32357
S/19 62/000/001/ool/oo6
Synthesis and investigation ... B145YB110
copolymerizate is transparent and colorless, has a comparatively small
low-molecular portion and a low polydispersity. Copolymerizates obtained
from 95% methyl methacrylates 4.2% It 0-3% Me salt (Me - Ni, Co, Cd) of I,
and 0.5% benzoyl peroxide at 60 to 650C and by ultraviolet irradiation are
glassy materials which do not melts begin to decompose at 200-2600C, and
the thermal stability of which is higher by 70-900C than that of polymethyl
methacrylate alone. The polymerizates are soluble in most organic
solvents and concentrated acids, swell in dilute acids and lyes and also
in concentrated HN03 , and partially hydrolyze in boiling water. For
Me - Co, Brinell hardness and specific gravity are 17.7 and 1-04 g/cm39
respectivelyl for Me Nit 18-7 and 1-044 9/cm3, respectively; and for
Me - Cd, 22.7 and 1.3; g/cm3, respectively. The infrared spectrum of the
copolymerizate with Cc has bands which are characteristic of CH3 and COOE
groups. The Debye pattern indicated an amorphous structured 1~5 mm, thick
samples of the polymerizate are impermeable to ultraviolet light of
240-400 mv- If the reaction mixture is not irradiated with ultraviolet
light during the polymerization process, impermeability to ultraviolet
light only exists from 240 to 300 mv~ Consequently, the copolymerizate
with Cc salt of I is suitable for the production of ultraviolet filters.
Card 2/3

AUTHORS: 5gk~rnova, A..-~69 Raykova, T. V., Brodovaq E. I-# ~O_yare~-kaZ-aj
08,03
8/069/62/024/006/008/009
B101/B180
TITLE: Effect of filler dispersity and grinding time on the
physicomeohanioal properties of polymers
,PERIODICAL: Kolloianyy zhurnalt v. 24, no.. 6% 1962, 742-748
TEXT; Thermomechanical curves were plotted for Novolac phenol f ormaldehycfii~-
resin K-18 (K-18), polystyrene, and polyethylene mixed with arious
quantities of iron powder with disperaity between I and 17 ;a g. Results:
Even small additions (3o%) of coarse iron powder accelerate the setting
of Novolac. With large additions (70%) the material loses its plasticity,
becoming elastically solid and thermally stable as a result of
structuralization. The effect of the filler increases with dispersity,
In polyethylene the flow point is only raised by large additions (8o%).
Structuralized polyethylene remains highly elastic above the melting point
of pure polyethylene. With 90% addition the material loses its.
plasticity and the structure is more ordered. Increased dispersity has
Card 1/2

SMIRNOVA.A.M.; KOVARSKAYA~ L.B.; RAYKOVA, T.V.; TOPOROV, Yu.P.
~4
Effect of the shape of iron powder
tural and mechanical properties of
no.6-.683-688 N-D 163.
particles es fillers on the struc-
filled polyethylene. Koll.zhur. 25
(MIRA 17:1)
1
1. Institut, fizicheskoy khimii, AN SSSR, Moskva.

KOVARSXAYA, M, I.
-
leningrad scieatific and practical conference of teachers of chemistry.
Kh!Lm.,r shkole no.4:78-79 JI-Ag '53. (MLRA 6:8)
(Leningrad-Chemistry-Study and teaching) (Study and teaching-
Chemistry-laningrad)

KOVARSUYA, M.I.; SHATUNOVA, T.T.; VANCHMIKO, A.S.
...
Scientific and applied conference of the Leningrad teachers of che-
mistry. Khim.v shkole 9 no.5:78-79 S-0 154. (MM 7;91
(Chemistry-*-Study and teaching)

KOVARSKAYA. M.I. (Imeningrad); FILATOV, I.G. (Moskva).
"A scientific and popular book on halogens" by -B. Rozen. Reviewed by
M.I. Kovarskaia and I.G. Filatov. Xhim.v shkole 12 no.4:72-73 Jl-A
157. - (MLRA 10:81
(Halogens) (Aozen, B.)

LIFSHITS, I.I.; KOURSKAYA, N.Ye.
Method of determining fibrous dust in the air bv Kouzov's dust
extractor. Gig. i san. 21 no.9:92-93 B 156. (MLRA 9;10)
le Iz promyshlonnogo otdolonlyalaboratorti sanitarno-epidemiologi-
cheskoy stantsil Nevskogo rayona. laningrada.
(AIR--POLUITIOB) (DUST)

SLOBODSKOY, V.R., student V kurea (Leningrad); KOVARSXAYA, R.L.. student
V kursa (Leningrad)
Changes in some indexes of water-salt metabolism in the body under
the influence of the adreaocorticotropic hormone (ACTH). Probl.
endokr. i gorms 2 no.2:67-71 Mr-Ap 156. (MLU 9-10)
1. Iz fakulltetskoy terapevticheakoy kliniki I Loningradkeogo medl-
tainskogo institute. imeni eked. I.P.Pavlova (zav. kafedr7 - prof.
T.B.Istamanova)
(ACTH, eff.
on water & mineral metab.)
(WATER, metab.
eff. of AGTH)

BARANGHUK, Yo.I.,- KOVARSKAYAI, Ye.L.
Moment of a biphase asynchronous motor controlled by empli-
tude modulated voltage, Izvq vys, ucheb. zav.; prib. 6 no.5:
41-50 163. (WRA 16-11)
1. LaningradBkiy mekhanichaskiy institut.

BARANCHUK, Yefim.Isaakovich,, kand. tekhn. nauk, dotsent; KOVARSKAYA,
Yevgeniy-a Llvovna
Characteristics of two-phase asynchronous motors with a magnetic
amplifier feed. Izv. vys. ucheb. zav.; elektromekh. 6 no.10:
1230-1234 163. (MIRA 17:1)
1. Leningradskiy mekbanicheskiy institut (for Baranchuk).

A`CCESSION NR: AP4041646 0146/64/067/003/0025/0032~
S/
AUTHOR: Baranchuk, Ye. I.; Kovarskaya, Ye. L.
TITLE, Application of a method of Plow-varying amplitudes to an investigation of
a-c servo systems
SOURCE: IVUZ. Priborostroyeniye, v. 7, no. 3, 1964, Z5-32
TOPIC TAGS: servo, ac servo, transfer function, ac servo transfer function
ABSTRACT: A method for determing the transfer functions of a-c servo systems
by envelope transforms is developed. - The differential equations of the envelopes
'of AM signals serve as fundamental equations of the servo system. These
advantages of the method are claimed: (1) no periodic coefficients in the
equations; (2) the simplification of the equations is well substantiated; (3) the
differential equations are reduced to linear or linearized equations with constant
coefficients. The equations are set up for an a-c system comprising a 2-phade
Card I/Z

~AGGESSION NR: AP404*1646
~hollow-rotor induction motor, two modulators, carrier -frequency stabilizing
;circtxite, and an inertial amplifier. V. .1 formula developed for the transfer
0'"'. (P) am IF, (p) + b.,f W2 1P)
1,function of the system is% k(p) --.-*,'for the transfer
012 tP) I I I (P) + bm WI(P)
(P) A.
Junction of,the error signal: It, (p) Stability conditions
IVI(P) + bm W, (P
;-:1for the case of supplying the motor control winding from a transistorized power
;amplifier are determined; the effect of the amplifier internal impe'dance and
is illustrated by
'!other system parameters is studied. Application of the method
1: an example with an ADP - I 23B motor. Orig. art. has 2 figures and 20 formulas.
ASSOCIATION; Leningradekiy mekhanicheskly institut (Leningrad Mechanical
Institute)
~SUBMITTED-. ISMayO.' ENCL: 00
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.KOVARSKIX,A.fz...,-KMOKSj T).S.; ZBDANOV, V-1-1.j, prof., red.; KHRISTOV.,
L.No. red.; ZAKHAROVAp A*I*-;-tekhn* redo
(Col2ection of oificial materials relating to laboratory work]
Sbornik ofitaiallrWkb mater4alov po laboratornomu delu. Moskva,
Medgiz. Book 2. (Manual for technicians' in laboratories and
sanitation and epidemiological stations) and for sanitation
doctors and epidemiologists.] V pomoshchl rabotnikam laboratorii.,
sanitemc~-opidemiologioh,!~skikh stantsli.. sanitarnomu vraebu,,
vrachu-epidemiologu. 1961. 967 p., (YMU.15:2)
(MEDICAL WORATORIES) (BIOLOGICAL LAWRATORIES)
(CHEMICAL LGORATORIES)

KOVARSKIYJ A G.- 14EDOKS, T.S.; Prinimali ucbastlye: GIXBOVA, L.F.;
.1 OV, S.M.; YK1111, L.V.; ZHDANOV, V.M., prof., red.;
IGRISTOVp L,N.p red.; IaIAKNIF, M.T.0 tekba. red.
[Collection of official materials relating to laboratory work]
Sbornik ofitsialtrykh materialov po laboratornomu del.' Mo-
skva, Medgiz. Book 1. [Manual for laboratory doctors.. sanita-
tion doctors, and epidemiologists] V pomoshch' vracham-
laborantam, sanitarnym vracham i vracham-epidemiologam. 1961.
462 P. (MIRA 15:2)
(1WICAL LABORATORIES) (BIOLOGICAL LABORATORIES)
(CIMUCAL LABORATORIES)

YCOVAEL"M I IIIIIICH
POLYAKOV, Ueo;-gltj Yavgnn'yevIch; KO I. IV Iich: KORTATI-4,1T,
D.Yr., rebktnr; KUZIMIN. G., tokbn chaakI7 re . r
1-Practi-tal manual for training electricians in the inotallation OnA
Bervl,-ing of industrial alactrical equipment] Metodicheekne pourbl'3
dlis obuchentis v remeslannyth uchillabohakh slaktromonterov or
montazhn I o"Isplustataii pronyshlennogo elektrooborudovadia.
Vseq. uchobno-peclagog.i%d-vo TruElrazervizdat, 1957. 115 P.
(~;Ientric engineering) (MLRA 10:10)

o
POLYAKOV. Georgiy Yevgenlyevich; KOVARSKIYI,,Al RE NBF
Y M.
kA".O_jl! ic h;
Yuriy Llvovich, nauchny7 -mtr.; OPTEVSKIY, D.Ya., red.; SUSMVICH,
.V.1., tokha.red.
[Assembling and operating industrial electric equipment] Montazh
i ekspluatatsita promyehlennogo alektrooborudovaniia. Moskva,
Vass. uchobno-podagog. izd-vo Trudrezervizdat. 1957. 253 P.
(Electric engineering) (MIRA 11:3)

BRAYNIN, Teodor Llvovichi insh.;-ITANOT, Tiktor Yiktorovich, insh.;
KOYARSKIT, A.I., nauchnyy red.; DEHINA, G.A., red.; RAKOT,
(Installation and assembly of lighting and power networks3
Ustroistvo i montazh osvetitel'nykh i silovykh setei. Moskva,
Tses.uchebno-pedagog,izd-vo Trudrozervi2dat, 1959. 253 p.
(KIRA 13:3)
(Blectric networks)

BRISKIN, Leonid Yakovlevich- KOVARSKIY A nauchn~y red.; DE-11111A,
EIUZOV S KL~.
G.A., red.; B , red.., ZOV, S.I., tekhn.. red.
[Assembly and operation of electric equipment for use in construc-
tion] Montazh i ekspluatatsiia elektrooborudovaniia na stroitell-
stve. Moskva., Vses.uchebno-pedagog.izd-vo Trudorezervizdat, 1958.
307 p. (MIRA 14:12)
(Building--Electric equipment)

KIRRYEV, Mikbail Ivanovich;'J;~~~nd~rIlli~ch- yzGOROy,
G*Peg nauchnyy redo; RYCHHK, T.I., red,; PIUMN, X,V,,
tekhn.red.
[Construction and operation of electric power plants, electric
substations, and electric power transmission lines] Montazh i
ekspluatataiia alektrichookikh stantaii, podBtantaii i linii
peredach. Moskva, Vses.uchebno-pedsgog.izd-vo Proftekhizdat,
196o. 422 p. wu 14a)
(Blectric power plants) (Blectric power distribution)

YEGMOV, Grigoriy Pavlovich; KOVARSKIY dr T11j-h- MASANOV,
N.F.., naucbryy red.; Y ICH, I.L., red.; TOKM, A.M.2
tekhn. red.
I
(Design) installationj, operation2 and repair of industrial
electric units] Ustroistvo, montazh, ekspluatatsiia i remopt
prouqsblenrykh elektroustanovok. )4oskva2 Proftekhizdat, 1961.
526 p. (MIRA 15:7)
(Electric engineering)

POLYAKOV, Georgiy Yevgonlyovich; KOVARSKIY, Aleksandr Illich;
REITBMG, Yu.L., nauchnyy red., Mnff -L-.A--
W WIXOM,
red.; P&iSOV, M.N., tekhn. red.
(A-methodological manual for training electricians in instal-
lation operations and use of the electrical equipment of
industrial enterprises]llotodicheskoe posobie dlia obucheniia
elektror.onterov po rontazhu i ekspluatatsii elektrooborudoya-
niia promyshlennykh predpriiatii. 2., parer. izd. Moskva)
Proftekhizdat, 1961. 158 p. (Electric wiring) (MIRA 15:11)

KIREYEV, MikhRil Ivanovich; KOVARSKIY,,~~&.q,njKjllich; 14USAELYAN,
__Y_ . re .; SHUMILOVA,
E.S., nauchn. red.; L AUER, S.G.,
Te.M., red.; TOKER, A. M., tekhn.red.
[InBtallation and operation of the electrical equipment of
electric-power plants, substations, and electric power
transmission lines) Montazh i ekspluatatsiia elektrooborudo-
vaniia stantsii, podstantsii i linii elektroperedachi. 2. i2d.
perer. i dop. Moskva, Proftekhizdat, 1963. 414 p.
(MIRA 16:1d)
(Electric power distribution)

POLYAKOV, Georgiy Yevgenlyevich; I
K-OVARS&U-, Aleksandr Illich;
REYNBERG, Yu.L., nauchn. red.; MUPKIv ) ea- "
. r .
[Industiral training of electricians ii.tlhein:Aallation
and operation of electrical equipment of industrial
enterprises] Proizvodstvennoe obuchenie elektromonterov
po montazhu i ekspluatataii elektrooborudovaniia pro-
uWshlenrorkh predpriiatii. Izd.3. Moskva,, Proftekhizdat,
1963. 132 p. (MIRA 17:5)

POLYAKOV, Georgiy Yovgonlyevich; KOVARSKIY, Aleksandr, 11lich;
MASADOV, N.F., nauchn. red.; SHUM11DVA,-'Ye.1-1.., red.
[Installation and operation of industrial electrical
equipment] Montazh i ekspluatatsiia promyshlennogo elek-
trooborudovaniia. Izd.3., perer. i dop. Moskva, Vys-
shaia shkola, 1964. 339 P. (MIRA 17:6)
r 4,

KOVARSKIY,, A.L.., tekhnik
Self-start network of 380 v. electric motors.
no.5:11-12 Yq 162. (Electric motors)
Prom.energ. 17
(mA 15:5)

KUVARSKIY, AN4,, aspirant
c- '-Use of semiautomatic flat knitting machines for the mamifacture,
of krittwear. Tekzt,,prom. 2-2 no.802-54 Ag 162. (IMIA 15:8)
1. Kafedra "Tekhnologiya trikotazhnogo proizvodstvall Moskovskogo
telwtillaogo imtituta.
(Knitting machines)

- KOVARSKIY, A.V., aspirant
Modern fashioning mechanisms for the automatic flat rib knitting
machines. Teks~.Prom. 23 no.5:16-20 My 163. (MIRA 16:5)
1. Xafedra "Tekhnologiya trikotazhnogo proizvodstva" Moskovskogo
tekstillnogo inBtituta.
(Knitting machines)

KOVARSKIY, A.V., aspirant
Increase of labor productivity in the operation of flat rib-stitch
knitting machines. Tekst.prom. 23 no.8:15-20 Ag '63.
(~IIRA 16:9)
1. Moskovskiy tekstillnyy institut.
(Knitting machinqs)

I
KOVARSKIY,-.A.V.,,,.inzh.
Modern designs of mechanisms for automatic increasing and
decreasing of the number of needles on flat rib knitting
machines. Izv. vys. ucheb. zav.; tekh. log. prom no.2-
119-129 163, 41IRA 16:10)
1. Moskovskiy tekstilInyy institut. Rekomendovana kafedroy
tekhnologii trikotazha,

KOVARSKIY, A*Vo., inzh., aspirant
Possibility of a complete automation of flat purl knitting
machines. Tekst. prom. 24 no.10:57-460 0 164. (MITM !71!2)
1. Kafodra trl-kotazhnogo proizvodstva Moskovskogo tekstillrogo
instituta.

POTEMKIN, D.M., kand. tekhn. nauk;-EQIA~(P.~J~,.A.V., inzh.
[Development of the design of knitting machines) Razvitie
konstruktsii trikotazhnykh mash1n. Moskva, AN SSSR, 1965.
128 p. (MiRA 18:5)

KOVARSKIY,,,A, UCHKOVSKIY, V.G.
ji!!~~.
For high yields of maize in Moldavia.
Gosizdat ~Ioldavii, 1954.

KOVARSRIY, A.Ye , rof.doktor sell skokhozyarstvonnykh nmik; GULYAYEVA, Yo.M.,
" rol *
,-~~~strt'~.en-Am-f o dry darviniZma
Mentor effect of alien pollen In aelf-polliDated corn. Trud7 Kiah.
Sallkhoz. inst. 3:127-135 155. (MIRA 11:7)
(Corn breading)

KOVARSKIY-'. A.Y9.0 prof., doktor sell skokhozy-avi3tvennykh nauk; KDGIN, F.D.,
--- - ,siirshiy spetsialist
Role of cotyledons in interspecific and intergeneric v'egetative
hybridization of pulse crops. Trudy Kish. -Sellkhoz. inst. 3:141-162
155. (MIRA 11:7)
(Legumes) (Grafting)

07ii` n S.
TS ~riv A.Ya.
c t iun and Hvhritiiza-
4 L; In ns Corn SiAt
tion Accordiytg to Findir.,:5 ot t Y. i- E. j. s
~"Xpf~rimen tal S t f, -1 if-w
T Lurpi kuic,ri;
naukWl 81-ILIO
A new method i~; rlropaat~d, C.F.1 11-0 Lht~
iiev" "Ve)chniijiAo ot' corn i,'4ich
ctpnvi.qty; Of liphtly tWi,~-41,iiie tbt- ~sl-ftr, of 01v
parxicle base and bringing it closc,,- thm
pi-til.late- 0-bers whi~:h hal.,:- ittA vet emerged.
T'-.is meth,,,d wa.5 hi i l lfe,-tive ir. 19~15:
eliciitly briosting Uc of 1:~ 1,,-,r
of iscilotin- pat-bsj~,: bv dl-q-
t,Amt---- Ere discussed in re.

hybrid It i:i
L"y plant 111i, il
C!unca of ,;unfloviers ai. -ifiort. Yo
speed up the liispv~ntiorn of nybrit! c umb i
naiiorls a me-thrid fats be-om
1"Ininary ilispoctio-':) an tho liam;lS 01. tht-
and ~Ojoots co.,r,
n d e t i e s ar e c- va io,,,',a d dl~,.-i ii gi -ter
period by !iproisting and the -qhoots) Da t a
on findxngs of investigations
C~,RD
21-1

Cul L'-.ivat(A
C- No. 5
1"' R 0 R
TITLE
S' CT bearing on the following problems: the pollIon!
mentor in the self-pollination of corn and
its value in aelection and hybridization,
the p-inciple of nelaction of 5euds and ita
significamee in awlection axid hybrJdizatiort,
vogetative hybridization, tht u"O.Azation of
local Moldavian varicties for sel ection and
hybridization, the production of hybrids
which do not t-equire pinching of the panicles!
w1ion obtaining hybrid seed, the hybridization'
0: 3111,

~,to. 01 - 110
0
r
Ts ",Ir. "S171
vl -icT
V
tXle Seler e 0~
'%eto
IA -t CIP-5
1311 'J~, -CS
0 L, I
Y,0*4 etilo -~,o , je
T tale va 00'r 0 0l
?do te& ..,glves
.~,Ccep A, 0t
OT t Utt's -CO -
:),e te tvi s 01-
-tXle E e5l C:OSO
the
-tile -~-0-9e& C~,l o t~-,e
O-fl tj-,es - %41. -tee ,-4 e, -,0
tvoc u c C'acwm 1-,cXs 0v.. ose
s . typ'r
--N4
110t ID.I.. - & 0.~ s
'5~,e , A. C-Le
ofit - 04 -
.4 SN~~IjNt1l tNI C6

USSR/Caltivatdd Plants - Grains.
,,'Lbs Jo, r Ref Zhur Biol.., No 18, 1958, 82305
M
pistil filanents which have ~ot yet emerged. The panicle
a~-.-d the fenale racame are placed vaider a parchr,,-e,.it i.~sLi-
lator having the shape of a short arm (50 x 15 cei,time-
ters). According to the data presented the i-.iethod indica-
ted permitted an increase in the perceiitage of seed set-
ting from 58.7 to 961%, under the coi,ditions of 1955, and
an increase in labor efficiency durina self -pollination.
Instead of the zually pricticed isolation of corn by
dista-.1ce (200 meters), the atthor recommends the separa-
tion of corn plots frobi each other by sheltering plant-
ings of tall varieties of sumflower or hemp at the dis-
tances of 15-25 meters. For the purpose of a quicker re-
Jectioii of the w-s ccessf:,,l combinations of cori', cross-
breedinG, a method of preliminary rejection from the
spro ts is recommended. A description of this raethod is
given. This permits eval,,.atioi-. of the obtained naterial
a year earlier. In prospect is also the evaluatio.2 of
C--rd 2/3
- 31 -

USSR/Cultivated Plants - Grains.
Abs Jour Ref Zhur Bioi., No 18, 1958, 82305
m
cor;,hybrids by the i-Aensity aid the degree of differen-
tiatiol. &xilig the 5-'( leaves plinse of the growth co;Ie of
the main ste,.'..l al.,d of axi.L bcds Li plants grow in thc
autum-winter pdriod lider artificial co.Aitions. The
problem of a pollen mentor ii, corn self -pollillation ard
its significance in the selectioi; and hybridizatio-.: of
corn is exai,daied. -- YuIL. Guzhev
Card 3/3

Country : USSR
Category t Cultivated Plants. Cereals. Leguminous Plants.
Tropical Cereals. 11
Abs Jour : RZhBiol,j No 6, 1959, No 24827
Author I Kovarskis5._4,,_
Inst s Kishliev Agricultural Institute.
Title i New In Biology Pollination and Fecundation of
Corn and Perspectives of Its Selection and Hy-
bridization.
Orig Pub : Zemledeliye I zhivotnovodstvo Moldaviiq 19577
No 12, 2-18
Abstract : A review of the literature on corn biology and
genetics; a brief resume of Kishinev Agricultu-
ral Institute's Investigation on self-pollina-
tion of corn conducted in 1955-1957; recommen-
dations for the raising of high-yield varieties
and hybrids of corn.
Card t 1/1
30

-doktor sel'skokhosmstvannykh nauk; LYSIXOV, TeNt, kand,
sel'skokhonyvatvann7kh nauk.
Met oollsotion of articles ("Research work in agricultural college**
by Ail. Golikov and A-,X, Litvinenko. Reviewed by *.I, Xovarekil md
T.N. Irsikov). 29mledelie 5 no.1103-96 N 157. (NLR& 1011)
11 Kishinevskiy sel'skokhosysyetvennyy Inotitut,
(Agrioulluml research)
(Golikov, Ail,) (Lityinthko, A.K.)

9,- doktor sel'skokhozyaystvennykh nauk; KATSYUK, L.S,, kand.
Bel'skokhozyaystyanafth nauk.
A good handbook on plat culture ("Plant oulturen by P.I. Podgornyi.
Reviewed by A.3. Kovarskii, L.S. Hatsiuk). Zemledelle 6 no* 7:93-94
11 158. NIRA lltQ
(Yield crops) (Podgornyi, P.I.)

A'o ~/L,? ~-, ki / q, C:e
30-1 -33/39
AIJTHOR: Kosenko, I. Ye. , Candidate of A,~ricultural Sciences
TITLE: The Tasks of Biolo~;ical Research in the Moldavian SSR
(Zadachi Mologicheskilch J.szlcJovaniy v Moldavskoy SSR)
Out-of-Town Session of the Department of Biolo3,ic-
al Sciences (Vyyezdnaya sessiya otdoleniya biologicheskikh naul~-.)
PERIODICAL: Vestnik All' SSSR, 1958, Vol. 20, Yr 1, pp. 125 - 126 (USSR)

ABSTRACTt From September 16, to Septc-,-.iber 21, 1957 the congress took place
in the branch of the ATT in the Joldavian SSR, vhich was orrl--arized
toeether with VASKh]1JIL. The conGress was intended to di3CUSS t'hC
results of bido6ical research in this field and to Give precise
informatLon concerning the tasks to be performed in future. It was
attended by q1O0 representatives of the branch of the AN and other
scientific factory institutions, as well as by representatives of
the Moscow and Leningrad Institutes. The following reports were
delivered,
1) L. S. I-latsyuk: The principal results and problems in the develop-
ment of the Biolojical Sciences in the Moldavian
SSR.
2) A. Ye. Kovarokiy: Innovation in the selection and the hybrid-i-
Card 1/3 zation of maize.

3C-1-72; / ;-";
The Tasks of 73ioloLs-ical Recearch in thc 31101davian SSR.
Odt-of-Town Session of the Department of Sciencco
soils, and to take mzeasurei for tl,u fuvt~ier
tending to explain the or-JL;in o.L' tlic ::oi'.'j uf to find
new ways of increasin.- the yield of soiI3 and to aLainat
erosion, etc. Furthermore, the necej:jit.- of tlae research of the
flora was stressed, as well as of vorIc conrocicd v,-J_';I-It intr.,Aocticn
and acclimatization, on the investi~;ation of srore pi-anto ard viith
experimental botanics. The follonrir C,,trthar mado:
to map a6rocliernical charto of the Sooilz; Of field_' 'j~lcc"3.13111rc
crops and many years of plantina; the _JnVC3ti__'I;.tic)n ),-' the
orUanisms of var-Jous types of soil, U.c. vith and
mineral fertilizers and microelement3, '.',IL i-I Of thk2'Z;!'0ti0al
invcsitZ;ations on plant physiology and bic)-_~Iinmi.,try; t!ic deteraina-
tion of neasures for the stru.-Gle aj~ainct di3case~, an,_' pla-111- ver-
mins, the increased treatment of physiolo,,;J -cal pro'bicras ir. order
to increase the productivity of ani,7iaI--,, and, IastlY
a~,
an increased introduction of scientific. in pra_-~icc.
AVAILABLE: Library of Conaress
Card 3/3 1. Biology research-USSR 2. Biology reports-USSR

GENKEL'Y P.A., prof., otv. red.; MATMIK, L.S., kand. sellkhoz. nauk..
zam. red.; DIMOI I.I.A., red. (deceased); DIKUSA~?, I.G., doktor
sellkhoz. nauk, red.; TAROSHENRO, M.F., doktor biol. nauk, red.;
KCW-.-RSYJY,-A-Y,--.,-doktor sellkhoz. nauks red.; ZUBKOV, A.A., doktor
--i-e-d. nauk,, red.; PRIFTS, Ya.L., doktor biol. nauk, red.; GEYDEVAN,
T.S., hand. biol. naukp red.; IVANOV, S.M.~ hand. bil. nauk, red.;
USPENSKIY, G.A., hand. biol. nauk-, red.; GMGELEZIIIU, A.K.,, hand.
tekbn. neuk.. red.; FITOVA., L., red.; KARYAKINA, I., red.;
KOCHANOVA, N.p red.; TELIPIS, V., takhn. red.
(Papers of the United Scientific Session of the Department of
Biological Sciences of the AcaderW of Sciences of the U.S.S.R.
the Department of Agriculture of the V.I.Lenin A114nion Academy
of Agricultural Sciences and the Moldavian Section of the Academy
of Sciences of the U.S.S.R.] Trudy ob"edinennoi nauchnoi sesaii:
Otdelenie biologicheskikh nauk AN SSSR, Otdelenie zemledeliia
VASKhNIL, Moldavskii filial AN SSSR. Kishinev, Kartia Moldoveniaske.
Vol.2. 1959. /+83 p. (MIRA 15:5)
1. ObIledinennaya nauchnnya scasiya., Kishenev, 1957. Zamestitell
akadenika-sekretarya Otdeleniya biologicheskikh nauh. Akaderii
nauk SSSR (for Genkell). 2. DeystvitelInyy chlen Vseso5-uzno aka-
demii sellskokhozyaystveraWIch nauk im. V.1.1enina. (for D=
(Violdavia-Agricultural research-Congressesi

MATSYUKI L.S.p Otv. red.; VARTICHMI, I.Kel red.; WYDEW T.S., red.;
DINUSAR, I.G., red.; ZUByoV I
j A.A., red.; ij~AiTGWK
KOVARsKIY A.Ye., red,* K0jFMUK0V , P.K., red.
P S.M., reZ; KONSTANTINOV,
M.K. re~ OV,
N.A.) red.,--
ay'ANOVP V.S., red.; TABUNSHCIIIK,
F.Zoj red6; CHEBoTARt, A.Am, red.
[Transactions of the First Conference Of Young Moldavian rSjycih-
entists] Trudy Pervoi nauchnoi konferentsii molodykh uche
Moldavii, 1958. Kishinev, Gos. izd-vo "Kartia Noldoveniaske
1960. 390 p. (MIU 15:31
1e Nauchnaya konforentsiya molodykh uchenykh Moldavii Ist,
1958. 2. Institut biologli Nloldavskogo filiala Akademili nauk
SM (for Kolesnikovo Chebotar.0). 3. Inatitut geologii i po-
leznykh iskopay%T~kh Moldavskogo filiala Akadenii nauk SSSR
(for Sayanov).
(Moldavla-science-Congresses)

KOVARSUY, A.Y2._j-p.rof., doktor seltk-hoz. nauk, zasl. deyatell
i tekhniki, otv. red.; YAROSFOIYO, M.F., doktor biol.
n-a..zk, zam. otv. red.; VLIRDERnUr~, D.D.,, doktor sellkhoz.
nauk.,, red.; IRIKIMIOITICH, A.L., dokfor biol. nauk, red.;
KOLESNIKOVI S.M., k-and. biol. nauk, red.; PRUTS, Ya.I.y
doktor biol. nauk~ red.; RYBIN, V.A.,, doktor biol. nauk.,
red.; USPEEVSKIY, G.A.) kand. biol. nauk, rod.;
YO.M., kand. biol. nauk, oty. red.; MYAKn!A, 1.1.2 red.;
HAIZELIBA13M, M.Ye., tekhn. red.
(Transactions of the Darwin Anniversary Conferance3Trudy
iubileinoi Darvinovskoi konferentsii. Kishinev, Izd.-vo
"Shtiintsaill 1960. 389 P. (MIRA 15:9)
1. Yubileynaya. Darvinovskaya konforentsiyap 1960. 2. Ins-titut
biologii Holdavskogo filiala Alcadenii nauk SSSR i Kishinev-
skiy sel'skokhozyaystvennyy institut L7. I-I.V.Frunze (for
Rovarskiy). 3. Yishinevskiy sellskokhoz7aystvemyy institut
Im. II.V.Frunze (for Verderevskiy). /+. Institut biologii
Moldavskogo filiala Akademii nauk SSSR (for Kolesnikov,
Prints; Uspenskiy., Irikhimovich). 5. Botanicheskiy sad
Moldavskogo filiala Akade-,rdi nauk SSSR (for Rybin).
(Evolution-Congresses)

GRIMALISKIY, V.L., prof.; CHETYRKIN, V.S.9 prof., red.tomaj RUDI, G.Ya.,
kand.sellskokhoz.nauk, red.; SUBBDTOVICH, A.S., kand.sellskokhoz.
nauk, red.; KOLESNIK, L.V., doktor sellskokhoz.nauk, red.; SEME-
NOV, A.N., doktor tekhn.nauk, red. doktor sell-
skokhoz.nauk, red.; FROLOV, N.P., doktor ekonom.nauk, red.; MATSYUK,
L.S., kand.sellskokhoz.nauk, red.; GUSAK, I.V., kand.tekhn.nauk,
red.; URSUL, D.T., kand.filos.nauk. red.; LEGASI, I.Ye., kand.
istor.nauk, red.; SHFVCHUK, I.P., kaMiekonoa.nauk, red.; KACHAhIO-
VAP N., red.; TIMOSHENKO, A.G., kaM.seI'skQkbos.nauk, zamestitell
red.; SHPANER, V., tekhn.red.
(Bodies of water of the Reut Basin, their hydrobiological conditions
and the outlook for their utilization in commercial fishing.)
Vodoemy basseina reki Reuta.. ikh gidrobio;pgicheakii rezhJm i per-
spektivy rybokhoziaistvennogo ispolIzovaniia. Kishinev, Izd-vo
sel'skokhoz. lit-ry, 1962. 191 p. (Kishi-nev.Sel'skokhoziaistvennyi
institut im. M.V.Frunze. Trudy, vol.29). (MIRA 17:2)

KOV $4ZK,_A.Ye.p red.; YAROSHENKO, M.F., red.; GEYMUN, T.S.p
reJ__'-__bTXUSAR I.G.,, red.; DOROKHOV, L.M., red.; ZUBKOV,
A.A:: red.; PE'LYAKH, M.A... red.; FURDUY, F.I., red.;
C11EBOTAR,1,1 A.A., red.; CHORIK, F.P.p red.; BOLIYEVA, L.,
red.
[Trarsactions of the Third Conference of Young Moldavian Sci-
entists) Trudy III nauchnoi konferentsii molodykh uchenykh
Moldavii. Kishinev~ Kartia moldoveniaske. Do.2.[Biological
and agricultural sciences) Biologicheskic i sellskokhoziai-
stvennye nauki. 1964. 273 p. (Y.LtA 17:8)
1. Nauchnaya konferentsiya molodykh uchenykh Moldavii, 3d.

.KOVARSKIY. A.Ye. ,.KARYAKINA, Lt red.
[Pollination with foreign pollen (mentor effect of the
pollen) as a new breading method] Chuzheopylenie (mento-
rallnoe vliisnie pylltsy) kak novyi priem selektsii.
Kishinev, Hartia moldoveniaskep 1963. 51 P.
(MIRA 18:7)

Dissymetry of morpbologJ eal charaoters in crop plants and
possible ways of using this phenomanon in brreuding. liv. AN
Mold. SSR no.60-5 163. (MM l7sl2)

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DATE 288ep63/
,

'
'

KOV SKIY. F-N-,mavor meditsinskoy sluzhby; PATROV, P.P.,podpolkovnik
Eme ~s~ sluzbby
HE oy
Electric model for studying the etiology of infectious disease.
Voen-med. zhur. no.1:87 A '56 (MLRA 10:5)
(COMMUNICABLE DISEASES,
model for investigation of appearance & transm. of infect.
die.) (Rae)

S/194/61/000/002/022/039
D216/D302
AUTHORS: Kovarskiy, G.Ya. and Tel'Xsnis, L.A.
TITLE: The evaluation of accuracy with which a random
function can be separated by a finite part of a
canonical series
PERIODICAL: Referativnyy zhurnal. Avtomatika i radioelelaronika,
no. 2, 1961, 35, abstract 2 V271 (V sb. jkvtomat,
upravleniye, M., AN SSSR, 1960, 307-311)
TEXT: A finite part of a canonical series is used to evaluate
the accuracy of dispersion of the output coordinate of any linear
system of automatic control under the influence of either a stat-
ionary or a non-stationary random disturbance. a nomogram is given
which permits the initial evaluation of the number of terms of
canonical distribution of random disturbance which would secure a
Dre-determined accuracy (in the terms of average dispersion of the
kinal term) of representation of the random function. I bloc-dia-
Card 1/2

S/194/61/000/002/022/039
The evaluation of accuracy... D216/D302
gram of the calculating arrangement is given as used for deter.-
mining the dispersion of a sharply cut-off random disturbance,
3 references.
V
C
Card 2/2

KOVAP,S-KI.Y.,,-I..I.--,-.inzh.; NOVIKOV, Yu.N., inzh.
Vibrated reinforopa concrete poles for 110 kilovolt overhead
electric lines. Bet. tzhels-bet, no,10.470-473 0 161.
(MIFA 34:12)
(Electric lines.-Poles)
(Vibrated concrete)

KOVARSKIY, I.Te., inzhener.
Using electric metallization techniques
Mashinostroitall no.3:39 Mr 157,
(Metal spraying) (Bolts
in manufacturing nuts.
(MLHA 10:5)
and nuts)

KOVARSKIY, K.Ye., inzh.; GOLINKINj S.L.; VOLYNSKIY, M.M.
Special features in the construction of a thrust bearing
with swaying mounts and experience in its operation.
Teploenergetika 11 no.5:57-62 My'64. (MIRA 17:5)
1. Glavnoye upravleniye po mekhanizatsii stroitel'stva
Gosudarstvennogo proizvodstvennogo komiteta po energetike
elektrifikatsii SSSR.

KOVARSKIY, L.
Selecting a labor productivity index for an industrial branch with
the aid of correlation coefficients. Biul.naucb.inform.: trud i
zar.plata 3 no.9:7-12 16o. (MIN 13:9)
(Electric machinery industry--Iabor productivity)
(Correlation (Statistics)

8(6) SOV/91-59-10-3/29
AUTHORS: Kovarskiy L.G. and Gol'dberg A.E., Engineers
TITLE: Application of Gas Vaporizers and Heat Economizers
PERIODICAL: Energetik, 1959, Nr, 10, pp 7-10, (UjSD&)
ABSTRACT: At the electric power stations, where the turbines are
fully utilized, as well as in industrial boiler instal-
lations, it is often expedient to use gas vaporizers or
heat economizers for the purpose of lowering down tem-
peratures of outgoing gases. At the present time, there
are in Leningrad over 20 electric power stations using
such installations; experience has shown that it is prac-
tically possible to lower the outgoing gas temperature
down to 1050 - 1300C. The most moderate working parame-
ters of gas evaporizers (pressure 0.7 at., and temperature
1150 - 2000C), and heat economizers (pressure 2-5 at,
and temperature 1050 - 2000C) do not make any particular
claims of materials for manufacturing them. Their buil-
ding is 2 - 2.5 times less expensive than the construc-
tion of increased tail heating surface of boilers. The
Card 1/3 work of gas vaporizers and heat economizers has been ve-
x-.

SOV/91-59--10-3/29
Application of Gas Vaporizers and Heat Economizers
rified by using different brands of coals, peat,
schist and natural gas. In Figs. 1 and 2, diagrams of
gas vaporizer are given, The following is a short out-,
line of the advantages of gas vaporizers, a) A relative-
ly small consumption of feeding water (20 to 30 times
Jess than in beat ec o nomizers); as a result, less con-
sumption of electric energy required to feed the instal-
lation; possibility of using feed pipe lines of a small
diameter without applying special pum s; b) Possibility
of automation and level regulation-, c~ Possibility of
feeding by chemically pure water; d) Possibility of blow-
ing off the low-potential media from the gas vaporizer,
thus decreasing the blowing off rate of the boiler,- e)
Loss working pressure, and, consequently, smaller requi-
rements as regards material. In Figs. 3 and 4, diagrams
of the heat economizer are given. Its advantages are:
a) Compactness of installation; b) A comparatively small
diameter of the heated water pipe line; c) Possibility
of a more efficient (by 50 - 100C) cooling of gases. Gas
Card 2/3 vaporizers and heat economizers are usually located be-

SOV/91-59-10-3/29
Application of Gas Vaporizers and Heat Economizers
bind the boilers; no special bearing constructions are
required, and the whole installation is mounted direct-
ly on boiler seat, The simplest and most reliable in-
stallation for the utilization of outgoin gas heat con-
sists of the following components (Pig, 2~-~ A gas vapo-
rizer in the form of a horizontal barrel with fire-.~tubes,
which is fed by turbine condensation heated in a regene-
rator above the daw-point,, Experience, accumulated in
the course of several years, has shown the optimum speed
of gases passing through gas vaporizers and heat econo-
mizers should amount to 15-22 m/sec. The volume of gas
that has passed throgh the vaporizer is decreased, due
to its cooling, by 10 - 20%. Maintenance of gas vapori-
zers and heat etonomizers means on the whole, their pe-
riodical cleaning and blowing off, There are I table and
5 diagrams,
Card 3/3

KOVARSKIT, L.G., insb.; GOLILRUG, Aj., inzh.
Cutting openings in the walls of drum boilers and
collectors. Inergetik 8 no-7tl3-14 J1 160.
(MIR& 13:8)
(Gas welding and cutting) (Boilers)

xOVAR,!!1'y' insh.
Proper installation of steara-blast a-leaning equipment In boilers.
Elek, sta. 36 no.6slc)--,~20 Je 165. (MIRA 18:7)

KOVAILS)K Y *G~6,0-iWAIS
,,al(nalution of deflection of blast streamo. Energomashinostroeftie
D nr-,.9,e44-4D' 9 165. (MIRA 18%10)

KMARSKIY, L.G.,. inzh.,- MAKAROV,, Ye.Ya... tekhnik
Improved metal scaffolding for boilers. Energetik 9 no.8:8-32
Ag 161. (MM 14:8)
(Boilers) (Scaffolding)

KOVARSKIY, L.G.J. inzh.; ANDREYEV,, A.N.., tekbni
I
Pneumatic ash removal in boiler cleaning operations. Energetik
10 m.2:10-13 F 162. (MIRA 15:2)
(Boilers--Cleaning)

KOVIRSKIY, Lev Girshevich; ZENKEVICH, Yu.V.) red.
[Protection of boileru from incruatations and coot
accuimlation] Zashchita, parovykh kotlov ot shlako-
vaniia i zanosa. zoloi. Moskva, lzd-vo "Energiia,"
1964. 270 p. (MIRA 17:6)

YOVARSKlY, L.Z., ekonomist
Evaluation of activity and comparison of the levels of labor
productivity at different types of enterprises. Vests elektroprom.
32 no.9:2(~-23 S 161~ (MIRA 14:8)
(Electric industries--Accounting)

i
II.
36453. KOVARSKIY, M. , 12SITOVSKAYA, S., KOROL-NIGH, 14. 1 Y12~KHOVA, V.
Kariyes i B-eremennostl.-Avt: 14. Kovarsldy, S. Tsitovskaya, M. Korolevich I V.
Yer'kbova. StollatoloFiYa, 19149, No. 4, S. 25-29,
SO: Letopis' Zhurnallnvkh Statey, Vol. 49, lL.!osl,-va 1949