SCIENTIFIC ABSTRACT GUREVICH, YU.G. - GUREVICH, Z.P.

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• Collection: Scientific Abstracts
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• Document Release Date: March 20, 2001
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• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

GURERVICH, Yu.G.. inzh.
- W., ~ -- ~
Neutralizing the effect of nitrogen on the quality of nteels. Izv.
vys.ucheb.zav.; chern.met. no.10:31-35 0 158. (MIRA 11:12)
1. Chalyabinskiy politekhnicheakiy institut.
(Steel-Metallography) (Steel--Defocts) (Titanium)

ARTROPOV, O.F., inzh,; YiI.G., inzh.; MORHIR, Ye.D., inzh.
Zffect of vacuum refining on steel properties. Izv. vys. ucheb.
zav.; chern. met. no.12:17-20 D '58. (KM 12:3)
1.Zlatoustovskiy metallurgicheakiy zavad i Chelyabinakiy
politekhnichookiy institut.
(Vacuum metallurgy) (Steel--Testing)

S1 L48/60/CK)0/(_1()6/()('1/0 1")
AUTHOR: Gurevich, Yu. 0. A
TITLE: Titanium With Nitrogen and Carbon in Liquid Steel
PERIODICAL: Izvestiya yysshikh uchebnykh zavedeniy, Chernaya metallurgiya,
196o, No. 6, PP. 59-67
TEXT: There is only a limited number of literature data on thQ nature of
titanium-containing impurities and their chemical composition, presented by
Yu. T. Lukashevich-Duvanova (Ref. 3, 1. C. Milton and K. H. Henke (Ref. 4),
K. A. Perkins and W. 0. Binder (Ref. 5) N. F. Lashko and 11. 1. Yeremin (Ref. 6).
These data indicate the diverse nature and the complicated mechanism of the
formation of non-metallic impurities combined with titanium. The character
of titanium interaction with oxygen, carbon and nitrogen In liquid metalOwas
studied by B. K. Iyaudis, D. F. Komstok (Ref. 8), A. N. Morozov and A. I.
Stroganov (Ref. 7), Pearson and Ursula Ende (Ref. 9) who, however, provided
only general data. The author determined the composition of the non-metallic
impurities--and investigated conditions of the interaction of nitrogen and carbon
with titanium in liquid steel. He used a constitutional diagram on the
titanium-carbide/iron system studied by V. N. Yeremenko (Ref. 1) and
Card 1/3

S/148/60/000/006/001/010
Interaction of Titanium With Nitrogen and Carbon in Liquid Steel
established that nitrogen had a higher affinity to titanium than carbon. Data
available and thermodynamical calculations show that the spontaneous crystal-
lization of titanium carbides in liquid steel can not take place, whereas the
formation of nitrides is very well possible. The author carried out experimental
investigations into the composition of the nitride phase, the conditions of its
formation and the determination of the optimum crystallization temperature. For
this
,purpose experimental melts were performed in a 30-kS high-frequency
induction furnace. The charge was composed of mild iron, chromium metal,
ferromanganese, 75%-ferrosilicon, nickel and ferrotitanium. In certain cases
chromium nitride (1-2% N) previously nitrated in the same furnace, was added
instead of chromium. The mean chemical composition of experimental melts is
given In Table 1. It was observed that titanium nitrides are formed in the
liquid metal and, under certain conditions, emerged on the surface, accumulating
in slag layers. it was established that titanium in liquid steel interacted
vigorously with nitrogen, forming titanium nitrides whose composition,
independent of the relation between Ti and N,approached the stoichiometric
composition. The formation of titanum nitrides takes place when the Ti content
in the liquid steel exceeds the double amount of carbon. Ti nitrides emerging
In the slag appear as an independent phase. Intensified processes of Ti
Card 2/3

s/i It 8/6o/000/006/00 !/L.- I f,
Interaction of Titanium With Nitrogen and Carbon in Liquid Steel
nitride formation and their emersion into the slag occur at 1,5600C and belo-.-;
the temperature was determined by means of a platinum rhodium- platinum -
immersion thermocouple. Titanium carbonitrides and carbides do not cryst~dlize
in the liquid metal, independent of the %Ti/%C and the %Ti/%N ratios; this
occurs apparently later on, i. e. when the metal temperature approaches the
sol:ldification point or during other periods of the solidification point or V
during perlods of the crystallization of steel. Further studies must be
concentrated on the described processes and on the possibility of changing the
cherilcal composition of Ti nitrides during subsequent cooling of a steel ingot.
There are 3 tables, 3 graphs, 2 microphotos, I radiogram and 14 references:
10 Soviet and 4 Rnglish.
ASSOCIATION: Chelyabinskiy politekhnicheskiy institut (Chelyabinsk Polytechnic
Institute)
SUBMITTED: December 22, 1959.
Card 3/3

311331601000101210051015
A054/AO27
AUTHORS: Gurevich,Yu. G., Engineer, Rozin, B.B., Engineer, Geyfman, R.S.,
E7ng_in_._er_,Ma_8-1~, G.A., Engineer, and Okhrimovich, B.P., Engineer
TITLE: Pouring 1X18H9T (lKhl8N9T) Type Steel in Ingot Molds Coated
ith Petrolatum
PERIODICAL: Stally 1960, No. 12, pp,~096-~098
TEXT: Since 1959, the Zlatoust Metallurgical Plant, when melting
the lKhl8N9T brand steel by bottom casting, has applied petrolatum instead of
carbontetrachloride for the "self-coating" of the 2.7 ton ingot molds without
changing their form and their weight. In the establishment of the new techno-
logy, F.P. MenushenkoT, A.K. Petrov, S.K. Filatov, P.I. Tasillyev, V.N. David-
yuk, and M.V. Loktionov took part. The smoothness of the ingot surface was
assessed by the specific labor spent on removing surface defects from 1 sq m
of the metal (by reference to photochronometric observations) and the test
results were analyzad by computers. k1together 472 tests were carried out in
the course of which the influence of several factors: temperatute, holding time
of the metal in the ladle, the velocity of pouring into the ladle, were in-
vestigated, for both kinds of coating separately.
Card 113

S/133/60/000/032/005/015
A054/AO27
Pouring iXi8H9T' (MIGNOT) Type Steel in Ingot Mold3 Coated With Petrolatum
The tests showed that when the 2.7 ton ingot molds were coated with petrolatum
(maintaining tha convoritional toohnology uaod for the IKhl8N9T 1)rmnd steel in
other respects) the surface of the improved and tho tima vskluirod for romoving
surface defects decreased by 15-20lor. As regards the time required for defects
removal, the following data were obtained in two shopsa
A/
Temperaturet < 1,5500C 1,580-1,6oooc > 196000C
with petrolatum coating,min/M2 40.1 51.0 88-7
with CCl4 coating 77.5 66.0 68.9
B/
with petrolatum coating9min/M2 100.6 100.9 113.0
with CC14 coating it 117.1 134.0 148-7
These figures show that petrolatum coating is superior to CC14 coating under
lv6000c. The relationship between the quantity of metal to be subsequently
scoured and the time of pouring into the ladles coated with petrolatum was also
investigated and it was found that if the pouring time was under 2 minutes, 40
and 71% of the metal had to be subsequently scoured, if between 2-3 minutes;
Card 2/3

3/133/60/000/012/005/015
A054AO27
Pouring 1X18H9T (lKhl8N9T) Type Steel in Ingot Molds Coated With Petrolatum
26.0-55.51/fo and above 3 minutes: 0-0- 31-SLA (the first figures stand for Shop
A9 the second for Shop B). These data show that if the pouring time is shorter
the ingot surface deteriorates rather suddenly, which can also be proved by
the defects removal times in function of pouring time:
Pouring time, min 2 < 2 2-3 > 3
Average cleaning time, min/m
shop A
with petrolatum coating 6o.4 46.9 35.5
with CC14 coating 78.0 75-5 45.7
shop B
with petrolatum coating 116.0 109.2 95.0
with C014 coating 129.0 145.4 114.0
Thus, when pouring time is longer than 2 minutes, the labor required for clean-
ing the ingot surface decreases by 25,4. Tests carried out on the same subject
in roll shops yielded analogous results. There are 3 figures and 4 Soviet
references.
ASSOCIATION: Zlatoustov,-k-fy metallurgicheskiy zavod (Zlatoust Metallurgical
Plant~ Chelyahnddy politekhnicheskiy institut (Chelyabinsk Polytechnical
Institute).
Card 3/3

KHASM, G.A.j MENUSHENKOV, P.P.; PETROV, A.K.; OKILRIMOVICH, B.P.1 DAVIDIUK,
V.N.; MATOV, S.K.; VASILIYEV, F.V.; IDKTICNOV5 M.V.; GUREVICH, Yu.G.
New method of mold coating with petrolatum. Met-allivg 5 no-5:21-24
My 160. (MML 14:3)
1. Zlatoustovskiy'motallurgiohoskiy zavod i Qiel7abinskiy
politekhnicheskiy institut.
(Ingot molds) (Petrolatum)

AUTHOR:
TITLEs
11% 204
3/148/61/000/001/001/015
M61/A133
Gurevich, Yu. 0.
Investigating the denitration of liquid chrome-niokel steel by
titanium under laboratory conditions
PERIODICALs Izvestiya vyeshikh uohobnykh zavedeniy. Chernay& metallurgiya,
no. 1, 1961, 21 - 30
TEXTa Titanium has been suggests& for some time for the denitration
of liquid steel, and it had been observed in some previous investigations,
including the author's own, that titanium nitrides forming in liquid metal
are floating and carrying nitrogen away with them. The purpose of the do-
soribed investigation was to study the effect of titonium under laboratory
conditions. Steel was smelted in an electric 30-kg high-frequenoy labora-
tory furnaoel_ its composition was (in ~.) - 0-.10 01 0.76 Unj O-T4 Sii
0.025 P1 0.012 S; 18.6 Cr; 10.2 Xi; .0.25 - ?.9 Tij The nit;ogen.con-
tent was varied from 0.060 to 0.24fk, 1'eLtrition was achieved by producing
basic slag after'the fusion of.metall and deoxidizing the slag by ground
forromilioon and calcium borate, then adding ferrotitanium to the heat. In
Card 1/ 7

S/148/61/000/001/001/015
Investigating the denitration of liquid... A161/A133
single heats ferrotitanium was added with the whole charge. Nitrogen in
steel specimens was determined by the "dissolving and separating" method
(Ref. 9: V. G. Speranskiy, G. M. Borodulin. Tekhnologiya proizvodstva ner-
zhavey-ushchey stali, Metallurgizdat, 1957). Nonmetallic inclusions were
investigated by petrographic, X-ray and metallographic analysis. It was
-Lound that the nitrogen content decreased in liquid metal only when metal
was deoxidized and held at 1,490 - 1,5500C. At 1,6200C and higher nitrogen
was practically not eliminated at all. The nitrogen elimination apparently
consists of two stages - the formation of titanium nitrides in liquid metal,
and the floating up of nitrides. The titanium nitrides formaticn reaction
at temperatures above 1,1550K is expressed by the equation (from Ref. 10:
Izv. vyssh. uch. zavedeniy. Chernaya metallurglya, no. 10, 1958)z
Tiin liquid Fe 't" NO.01%-solution *`?T11solid; (1)
lg 0.01 20790
Lf.'Tij I T_ 9.72
Curves of the nitrogen conteht equilibrium at different Ti-contents in liq-
Card 2/7

.11 ~t~,j
.Al 1. .
S/1 A 811% 1, "000,/00 1 /0011 ;0 15
Investigating the denitration of liquid... A'61/ 131t
A ,
uid atool. and at difforont tomporaturo (10ig. ~) woro oaloulatud ualng tho
equation (1). E ullibrium was nut reached in any of the experiment heato.
As the reaction Zl) is heterogeneous, its rate according to Frenkel's
theory (Raf. Ili Ya.- 1. Frenkell, Izvestiya sektora fiziko-,khimicheskogo
analiza, v. 16, no. 1, 1943) depLnnd:) on the formatAcii; Of titanium nitridon
in liquid metal. A stable existence of the nitride nuclq! is only possible
when their size is larger than the critical one. The critical nucleus size
is directly proportional to the surface tension on Lhe boundary of two
phases and inversely proportional to the difference of the chemical poten-
tials of the component in soluzion and in the pure phase. The equilibr4UM
curves (Pig. 2) indicate an increasing affinity of titanium to nitrogen with
a decreasing temperature. The denitration rate during 10 - 50 min holding
remained constant in time, about 0.0022c,"' min, which shows that the size of
nitrides floating up in the liquid metal was the same in all heats. At
Ti : j`~Ni ratio of 2 - 6 the titanlium con.,2umption for the elirmination of
l.cm3 nitrogen was close to the theoreti~-.,A. Aluminuai in met.al apparantly
prevents titanium fr,)iD oxidation. The average size of' t.1tantum ni.tride aws.
tals varied between 0.010 and 0.030 mm. The relative -,oncentration of ni-
tride inclusions in the metal layer at a c,~~rtain level (h) at any nme nio-
Card 3/7

S/148/61 '/000./001/001/015
Investigating the denitration of Liquld,,,- A16!,/A133
ment (t) could be expressed by the formulat
k 11 VM4 a) (9)
U-c ~'% h - I
D'~jpn ~ng of the
whoro CO In th,, nitrtkia [on 4n 1-hc~ layor a* thr:
Pariodl C - the aonoontrtLtton dur1116 t"La-4 ~1)i i~
depending ~jn the n1 t rl(lo cry-P Fil til.zn(vMin `the
velocity. The formula shows that the relative conpentration of inclusions
follows hyperbolic law. The relation of conesntration ani holding time (t)
is expressed by a rectilinear function. Equation (9) may be used for ap-
proximate oaloulationo of ri-Autive nitrogen ooncontrationa, assuming that
the nitrogen content is proportional to the titaxilum riltrido oontent. Aftor
50 min holding time the relative nitrogen oonaentraLion did riot aharigs any
more, and it was not possible to decrease the nitrogen ootitont below 0.201/0.
This may be due to an insufficient accuracy of the experiments during long
holding. No denitration during pouring was atatea in heats poured at high
Card 4/7

$/6 !/,,-)00/00 1 /00 1 in, 5
lnvestigatJne- t, deni tration of llq,,iid
temperatures, but a conviderable denitration viaD Found in pouring at lovy
temperature. Il ia supposed that slag particles, ladle lining and the
forming oxides of impurities may provide additional crystallization centers
for titaniiim ndtrideS., Besides, nitrides can stick to large slag particles
of a certain cheinical composition and float faster. It seems that liquicl
slag inclusions moist t.itanilam nitrides better than mptal.. Groups and
1trings of nttrides revea'.ed in metal were covered with very thin slag film.
A photo-micrograph from a heat (no. 515) in which denitralion wfi.E exception-
ally rapid and nitrogen coLtent dropped to 0.,^,5 shows large globular slag
inclusi.ons with titanium r,,i1-.r1d*=s laside. It is obvious that the slag com-
position must be 3o selected as to decreage.the _4urface teneion on the
n-itride - metal. boundary. Conclusions- 1) Denitriding properties of tita--
nium appear in well deoxidized metals at temperatures below 1,9600. At
high temperature titanium nitridee may not form. and a detiltration of liquid
steel iiaj not tako place. 2) Titanium nitridea otick well to slag particles.
The ell-iminat--on ct' ~_itariLum n:11r,.des from ljqu~d steel maj- Lip linproved by
77etal 1r wi- 3'ags Of Certain The iete_--
4-- -'
'M I!
Card 5/7

2 04
lnvest.;gat.ing tlie denitration of ll-qu-d

ciently witl,. tjj- test drits. and
any nonmetallic inclusions in
erences. 10 Soviet-bloc and

language p*,!0111i~--tons read as
54; K. H. Colin, G. H. Shell
C. E..Siras. Electric Furnace can be i1sed to cal -,ulatO tlie distr-:10utiOn
7 "1 1 x ref -
liqul--J are . fiEurc-s a'-
The references to English"
mstock, Metal ?rogress~ 1948,
f oil o -I~: G, F - C 0
ingi Electriz.FIJTnace Steel
steel Proceedin~,rs. 105:7.

ASSOCIATION: Clielyabinski.y politekhriieltieskiy
~r~ohnic Ingtitute)
'i
.1stitut (Clieiyabinsk Poly-
SUBMITTED: July 25.; 1960
Card 6/7
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Card W00911110

S/148/61/000/004/005/008
The formation of titanium Eo7l/E48o
titanium nitrides formed in the liquid steel aer--~r, as nu_r1c-i for
titanium carbides during the crystallization of lngots~ On the
subsequent interaction of these two phases, titanium carbonitrides
of variable composition are formed. On heating and cooling of th*
steel during rolling, titanium nitrides and carbides ~;an bb
transformed into carbonitrides. During thlB tranitformation.,i wall
dispersed fine nitride inclusions form coAraer c.Arbonit.rides which
increase the degree of contamination of the .5teel by non-metallic
inclusions. In order to decrease the amount of L~itanium
carbonitride inclusions in steel, slow cooling after rolling should
be prevented. There are 3 figures, 3 tables and 6 references.-
4 Soviet and 2 non-Soviet. The two references to English language
publications read as follows~
Ref.2: A.M.Pottevin and R.Castro. J. Iron and St~t! 1,j-tLtut4,
P-1, 1937. 223,
R*V-5i
ASSOCIATIONSiChelyabinskiy politekhnicheakiy inatitut (Chelyabinsk
Polytechnical lnstituta)~ Zlatoumtovskiy metallurgi-
cheskiy zavod Matoust Metallurgizal Works)
SUBMITTED: may 4, 196o
Card 2/2
4

GUREVICH Yu. G-9 CAND TECH SC,Iq "IMPROVEMENT OF THE
QUALITY OF AN INGOT OF RUSTPROOF TITANIUM-C-ONTAINING
STEEL." Moscowq 1961. (MIN OF HIGHER AND SEC SPEC ED
RSFSR9 MOSCOW ORDER OF LABOR RED BANNER INST OF STEEL
IM 1. V. STALIN),. (KLf 3-619 214).
194

.23959
S/L4'8/61/000/005/002/015
?00 E071./E135
AUTHOR. Gu r, a v i
-- I ---, - - -i-C
T 1T LE Denirogenation of liquid steel with titanium under
inrl~-, 3i- ,a L c c rid i. t i c, ns
PE,R 10L) 1(:ALI e -3 h ~ kn , i f- h c- bn y'- 1- -zav e d e n.L y,
Chernava metalbirgm,,ra, 19051,; Nc.51 PP. 58-67
T X XT . Pre v i intrestivations of the author (Rof.l.- present
Journal, YiCQ, Nn-,6-. present journall, 1961-- No.1) showed
that :Ln i1qu--ci, wpl-I Ae!~xAized steel, titani~im lweacti with
nitrogen formirig nitr.idf-s which can float -)n the Of Metal,
thus removing nitrc,,gen, The process of formati.on nf titanium
nitrides And denitrogenation of steel was observad during
retention of l:Lquid steel in a Laborntory induction fzy-nace at
temperatures of .'..:;=o-156o -~-ni be.low., Thprefore, du-rlng smelting
of steel in electric arc rorna.-es ~:cnditions for the formation of
titanium nitr,-des are abscirt., Th~- above pr~)ces3 Is 144:ely to take
place in the ladl;~ after tapping if the metaL is '.-tell m7,xej with
slag. If the metal. t4~mperaT-11-e r)n tapping was high. then the main
mass of titana.-,im nLtrides wi-Il apparently form in the mould during
Card l/ 9

I III"! I`[ tl 1 tTWRY~~ I~ -;Mmn-
2.-15;89
s/ 148/6 110001005-1100-21015
Dpnitrogenation e;,' liquid steel wit, 35
EO?l/El
cooling of the --teel and crystallization of 'tie ingot. The
Validity of tile alhn--e view was cherk,--d d1jr-ing the production of
steel in 12 ton e1E.,--trAe ari- farna-eF. Fcrrt~titanium was added
dur:Lng var.i.ous snv,11'Ang peri.ods, takizig samp'-,~s after inelt out
(sample .1), at thie erid -of *hj-- refining period, 15-20 minutes after
making basic slag i:--;ailkplr- 2), before tapp,-ng, Nraainple 3) and in the
ladle after the end nf 4-he tap (sample 1-4). Siamples from the ladles
were taken from t;,P iiPper layer of Ithe inetal,, The types of steel
smelted, the per-2-,d dtring whi-ch ferrotitanium was added and the
method of smeltinq. are given in Table .!,, No relationship between
the nitrogen content rwf Liquid steel atid the period d--iring which
ferrotitanium was was observed,, Tile chenvical -composition of
the slags shows thar, titanium oxidizes dkiring all periods of
smelting, enriching the -31ag with its OKides. A petrographic
analysis of slags gave no indications of the 1)resence of titanium
nitrides. Not in all heats was decrease in the nitrogen content
- 4, in some heats the nitrogen content of the
observed during tappin, .
ladle sample was higher than that before tapping. This can be
explained by the fac-t that ladle samples were takeii from the upper
layers of' the metai, The ~'ontcnt oC nitrogen in the last portions
Card 2/ 9

S/ I it 6/6 i /ooo/oo5/oo',/o 15
D;~nit--,.-.-c-.nai -ion c.1' I Lquid ztent with. E07l/EI35
ot' thlu meta! in the la.-Ile :-an increase, 'The sharn, .acrease in the
r)Ltrozf~ti contenT, in the uppe-1- layers of the metal 2.n the mould
(Pat-le 4) Minw:' 01'-I~' 01E- fc,x'ination of titarivam nitrides in this
most Aoterrianation of Ihe amount and
r -~ iT, v ri t,-j ti o in taken dus ing tht,
C 'Jur r (I M ~! t. al -j h n- we d t h a t t I I;, w a i n MIA S -S
;i it tum L!~, formed dur -..n r:Y -~i -t I I;- zat ion.
I ~ --i L 1v se para t ed J.n,: lu~~ L,)n- ve I I a 9
I-A t i%. c 141 F es -:~ f me t a L tO i rw--j t ri-
'-I 'A T iy: i~'a ! IV separat,ed re-,si,wz frvjn -arii-po'es taken
rL, t Vq th.? ladlt~ ccn~,istcd in-i;n!,.-, ej gra ris o f
:-,)m re I I ; d me t a I - o ii~; i~, t P. d ma in IV
c r a rLdum n. 4. c i - i ti Pi r a, F: -
;' ' i f a t itim n j., -. (1, t~ .-., ,M -... r 1: - P - -Ion .Ut ftc-m r-c%I1c'sj mr-f"11
3br)lved i.nt-lus.Lon,., (it f jil I,,tjiJicn 9~c-me pink
inr-lusionv , elon-,j! e,-J a I r, q T 1-, r f77 t-o n o nb~,erved;
these were r-e -JOI kdes (!f a
undpr indus,. r i. I :-or:.a I n-- -,-hv mv---t ad-;'Intageou-q cc'ndit t.-)IIS for
rl-T~gasslng of steel. Wit h E%rr~ !n the ladle a.~t':A in the mou -1 d
After cbscrvat,-or, of a distr.--ibu-,-.on of In
%4Mall ingw.s, srine that the -,egrerzat-jor .>f
C.ird 7/ 9

2 ~989
14 8 IV,'] /0 00/005 /00 2/0 1,5
0,~ni t irin of' 1 irlu I (I s t with FO71/E!3,5
nttrogen and titantum in Lar..!f-- ingra,,s will b,,- even more pronounced.
T i, f- prp~~ent authvr sh-.if'e:1 b-v U I a t 2. ~~n s Fi; k 0
1 -- ingot 3 kg.
5,51 cm, 34 'i min 2 - ingot 200 kg,
Z v S t
lo
-m, R = 66 ---m, ill 3 - inget 500 kg-,
15 cm., H = 30 Tr., M 11) 4 -- tngot 2700 kg,
ys T
n, 2.7, ~M, 1! = 14o --m, Ml-.t: body o-F ~'Mrot (00.00
if)0,00, shrinkaze head., C' ii i. i-ide c~oii;,entration at the heizht
h et the init--al instant CL, ~-ne C - S'Nille at the t ime 4 M.1n.
a nd expprimenta.' determinat2or, -,.!~e d-is~rablj,tLon of nitrogan
al-c-niz the height -~f 1 500 kq of steel containing 205o
Cr and 0,55. T! that thr= revers-2 aL~rliea~ 11-P majority of
tLze-nL-LLm allt~:yed ztru:1-ur.AL stvcls are tapped with a temperature
of L58C-1-630 0"., UndEr sti-Ai cond- ions ~he nia.Ln part of titanium
nitr.ides is formed in the ingot mwald, Th? -.calculated degree of
nitrogen removal during the period of crystallization showed that
the decrease in the reLative c-cricentrittion of nitrogen is within
the limits of experimental errc~r in nttrot4en determination and
the refor-p, cannot be taken into ccno~tderation, Thus, under
inducitrLal condi.tLons dtir ing sme.!* ing ana teerrang of titanium
containi-ng steels the denitrogenat ing pr~~j-,rt i.es of titanium may
Card 4/ 9

-igag
s/.148/61/000/005/002/015
Denitrogenation of liquid steel with..R071/E135
not appear at all; in fact as titanium can increase the
solubility of nitrogen in steel, the content of nitrogen in such
steels may be higher than in corresponding steels without
titanium. The latter was confirmed by a frequency curve of the
nitrogen content in steels 20 \r (20KhG) and 18--';.-'-(18KhGT)
smelted under industrial conditions. It is concluded that during
smelting of steel, titanium cannot remove nitrogen but on the
contrary may increase the solubility of this gas in the metal.
The processes of formation of titanium nitrides are more
intensive during cooling of steel in ingot moulds. It was shown
exporimentally and by calculations that the volume segrogntion of
nitrogen and titanium along the height of large ingots takes.place
practically only in the upper part (shrinkage head).
There are 7 figures, 7 tables and 10 references: 9 Soviet and
I English: as follows:
Ref-7: G.F. Comstock, ~Jetal Progress, 1948, 54.
ASSOCIATION: Chelyabinskiy politekhnicheskiy institut
Card 5/ 9 (Chelyabinsk Polytechnical Insti~tite)
SUBMITTED: November 9, 1960 -

GUREVICH, Yu.G.
Denitrification of liquid steel by titanium in industrial condltl=a.
Izv.vys.ucheb,zav.; cbernmet. 4 no.5:5&67 161. (MIRA 14:6)
1. Chelyabinskiy politekhnicheskiy institut.
(Steel ingots) (Titanium nitride)

SHUSTER, M.D., inzh.; GUREVICII, Yu.G.
From practices of the heat-treating shop of
Tractor Plant. Metalloved. i term.abr.met.
the Chelyabinsk
no.12:30-38 D 161.
(141RA 14:12)
(Chelyabinsk...-Tractor industry)
(Furnaces, Ileat-treating)

GUREVICH, Yu.G.
Effect of remelting on steel contamination by titanium nitrides.
Izv. vys. ucheb. zav.; chern. met. 5 no.7:71.-77 162.
(MIRA 15:8)
1. Chelyabinskiy politekhnicheskiy institut.
(Steel-Metallurgy) (Titanima nitride)

kz1nd.Li-~;,.hn.naiAk; G~J;a41" i I te, kh n . n -~~ uk
Continuous measurement of metal level in castin.w molds during
steel teeming. Biul.tekh.-ekon.infom.Gos.hauch.-issl.inst.
nauch.i tekh.inform. 16 no.10:3-5 163. (RIU 16.11)

ROZIN, B.B.,, inzh.; GEYFMAN R.S., invh.; DARILOV, A.M., inEh.;
SLASHCIMA, V.M.., inzh.; GUMVICH, Yu.G., kamd. v~khn. nauk
Statistical ar%lysis of causes for changes in the impact
toughness of 31OWA steel with the use of punched card
computer muhlw&. Stall 24 no.1:74-77 Ja 164.
(MIRA 17:2)
1. Zlatoustavnkl~, metallurgioheskiy zavod i ChelyWnskiy
politekbuicheskiy institut.

-ACCESSION NR: AP4040388 S/0133/64/000/006/OAO/0544
AUTHORS: Okhriinovich, B. P. (Engineer),- Tishchenko) Oo I. (Engineer); FilatOv,
S. I* (Engineer); Kolyasnikova, R. 1, (Engineer),- .qFoY1q1j
of teclu-dcal sciences) Xuo,.G,. (Candidato
T.TrLE: Dark crust in the macrostructure of stainless heat resistant, alloyed
istructural steels
SOURCE: Stal I I no. 6, 1964, 540'-A4
TOPIC TACYS: stee13 stainless steel,, heat resistant steel, crust formation., steel
13KIiIMT-A., steel 13Khl4NVFRA, steel 20Xh103NA, steel X111M, steel Wi9V,
steel M23, steel Kh17, steel Kh25,, structural steel 18KI-MA, structural steel
15KIiGNTA, structural steel l8KhNT, structural steel 40KWW;A
ABSTRACT: This study is a continuation of a previous investigation on the nature
of 'dark crusts common on stainless heat-resistant steels of the types 13KI-a2hWA,
l31aaWaRA, 20KI-a5N31,1A, Khl7N2, Khl7., xi.,25, 4Kh9S2., Kh28 and on the alloyed
structural steels 18KhNVA, l5XhGNrA. l6KhNT, 40KIuMiA. The investigation consisted
of metallographic analysis of samples cut from "healthq'i and from defective sec-
tions or ingots, and the comparison of their compositions and structures* Metal-
Card 1/2

ACCESSION NRt AP4040388
;lographic study showed that defective sections were richer in carbon, aluminum,
..tnd aluminum oxides. Large silicate inclusions of complex composition with multi*-1.
-pie aluminate inclusions were -found to be distributed regularly in the direction
I
,of deformation. Gorundum represented the basic part of the precipitate and
;occurred in the form of transparent colorless grains (N 1.767). Spinel and
.titanium were leus common. The precipitate also contained colored anisotropic
inclusions with N 1.775. The experiments rovealed that the dark crust orig!.-
inated in the deadhead zone and penetrated the body of casts during the crystal-
'lization period. Defects caused by crvzt formation were eliminated by preventing
I the chipping of the crust and its subsequent sin1cing into the metal. This was
iachieved by decreasirq,,.the heat of flux by sprinkling lunkerite 28, vermiculite
potider, or chamotte over the ingots (2 kg per ton or metal). Orig. art. has: 1
table, 6 f igures., and I f or m-Llaa
ASSOCIATION: Zlatoustovskiy metallurgicheskiy zavod i Chelyabinskiy
politeklinicheskiy institut (Zlatoust Metallurgical Plant and Chelvabinsk
.Polytechnic Institute)
SUBMTT10s 00 DATE ACQs 2hJuA MCL: 00
.SUB CODE 101 Now sov M5 OTHERs -000
.Card 2/2

EL'YASBERG, Pavel Yefimovich; GUREVICH, Yu.G., red.
(Introduction to the theory of flight of artificial
earth satellites] Vvedenie v teorilu poleta iakusstven-
nykh sputnikov zomli. Moskva, Naukap 1965. 540 P.
(MIRA 19.-1)

ACCESSION NR: AP4043488 S/0133/64/000/008/0736/0738
AUTHOR: Mokhir, Ye. D(Engineer); Gtwevich, yu. G. (Candidate of tacbnlcal
sciences)
TITLE: Titanium sulfides in titanium-containing stainless steel
SOURCE: Stall,'no. 8, 1964, 736-738
TOPIC TAGS: steel, stainless steel, titanium steel, titanium sulfide, austenite, grain
boundary
ABSTRACT: In a discussion of reactions between titanium and sulfur and the formation
of sulfide inclusions In titanium-containing stainless steel 18-8, the authors present the
results of a metallographic examination of the steel and draw the following conclusions:
1. three types of titanium sulfide Inclusions occur in steel, differing in color, properties
and, probably, chemical composition; 2. the silverly-pink to dark-pink, highly reflective
wid readily polished Inclusions with a hardness of 180-200 H , which are anisotropic in I
polarized light, are most probably titanium sulfides; 2. the Lrger. more conve,%, grayish-,
pink to bluish-pink inclusions with a hardness of 200-256 Hv ohould be Identified as F1
rnuW-phase combination of titanium sulfides and carbitles with carbunitrides; 1. the grey-!
colored isotropic inclusions found rarely in faulty sample ar~n.-l zn.,y "~.T &
Cgrd 1/2

ACCESSION NR: AP4043488
L
;olution o' titanium and manganese sulfides. The effect of heating steel at 1220-1270C
for 2-4 hrs. with subsequent slow or rapid cooling Is discussed in rolation to the free
--energy of formation-of TIC, TiS, TIN, TiS2 and TiO2. Slow cooling Is found to increaae
the amount of complex
"Inclusions and favor movement of titanium sulVdc to the grain
boundaries, resulting in the appearance of specific defects. Photornicrographs of such
inclusions are presented. Orig. art. has; 5 figures.
ASSOCIATION: Zlatoustovskiy metallurgicheskiy zavod (Zlatoustovsk Metallurgical
Plant); Chelyabinsidy politekhnichosidy Institut (Chelyabinsk Polytechnical Instit ute)
SUBMITTED: 00 ENCL: 00
_SUB CODE: hM NO REF SOV: 006 OTHER: 007
Card 2/2

0
_ k an.j .
KO!,?I!,'NlKOVA, !Z,I., inzli.;
Dark crust in the macrogtmicture 7): stainless, helll-rc~.qio!.ant
structuraL steel alloys. Stall 24 no.6v540-544 Jo. 164. IYDA 17-'))
1. 7-latonst.ovskly
politokhniclioskiy institut.

I
M) E".""o ~ t ) 1, Erl
j IJP~C) ~ 111 - - -- - ---. -- ----- --- - - -
ACC NR: AR6028,129 SOURCE CODV,!' TJ11/0137/66/000/005/V051/V051
AUTHOR: Gurevich, Yu. G.; Mokhir, Ye. D.
TITLE: Nature of the segregation area in stainless steel
SOURCE: Ref. zh. Metallurgiya, Abs. 5V324
REF SOURCE: Tr. Chel ab. politekhn. in-ta, vyp. 28, 1965, 20-25
TOPIC TAGS: stainless steel, metal etching, segregation, segregation area,
etching
ABSTRACT: For solution to the problem of the nature of segregation of the area
of increased etching in stainless steel, tile distrilbution of titanium sulfides ha
been investigated by metallographic analysis along the cross section of rolled
blanks. The results of the investigation show that in the mange of increased etching
there is a microliquation of sulfur carbon,'2%nd titanium'i the form of sulfides 4
and titanium c*arbosulfides. In connection with this, the square of increased etch-
ing appears to be the segregation area. The formation mechanism of the latter is
associat ed with 'a change in the solubility of sulfides and titanium carbosulfides in
Card 1/2 UDC~ 669, 18-412:62 .746, 753

ACC NRs AR6028429
austenite and in their precipitation from solution on slow cooling. The segregation
I area in blanks can be eliminated by heat treatment of tile steel: heating tile metal
to 1200-1250C, holding for 2-3 hr at this temperature, and subsequent quick
cooling in water. D. Kashayeva. Orig. art. has: I figure and 2 tables. Bibliog-
raphy of 11 titles. [Translation of abstract'
INTI
SUB CODE: II/
,d 2/2

lj~
IIt
ACC NR. SOURCE CODE: UR/O133A6/OO0/OO1/C042/OO44'
AP6030050
AU-fHOR: Gurevich, Yu. G. (Candidate of technical science3); Rozin B. B. (Engineer);
ORG: Chelyabinsk Polytechnical Institute (Chelyabinskiy politekhnicheskiy institut);
Zlatousk Steel-Plant- (Zlatoustovskiy metallurgicheskiy zavod)
TITLE: Use of punch-card tabulators in statistical analysin of operating conditions
for electric furnaces
SOURCE: Stall,, no. 1, 1966, 42-44
TOPIC TAGS: arc furnace, statistic analysis, punched card, industrial management,
data analysis
.ABSTRACT: The authors use the simplified method proposed by Sokolov (A. N.
.0ok-olov, "High Speed Steel Smelting in Arc FFurnaces,,.1%Mashgiz, 1960) for
establishing electrical char_ac_Te_r1;ETc_s of -are furndos from observations
of melts. The initial information is subjected to statistical analysis on..,,
.punch card tabulators so that production data may be used to account for
the effect which variable operating conditions have on the principal techni-
cal and economic indices of the furnace. A program is briefly described
.for organizing the information on punch cards for mechanical data analysis.
The machine output is in the form of tables for relationships between the
basic parameters of the furnace (eog-, melting time as a function of
pow .er)e The tabular data are then used for plotting empirical regression
'lines. .-These curves -are then u3ed as a basis for derivation of 9ptimizing
equations. The proposed"method o'f"analysis may be used for var 0 U 6 - S'of electric IF--
furnaces an various ad s of steel. Orig. art. has: 2 figures, 7 formulas and
2 t~a8~N: PRS: I
S . ~q'~11SUBM DATE: none / ORIG REF:
13 UDR93 619.?WM'__

L 03777-67 DIT(l) UP(c) GGAT
XCC NR1 AP6031445 SOURCE CODE : 'UR/0056/66/051/002/0536/0555
AUTHOR: 11agg, F. G. ; Gurevich. Xu. Q.
ORG: Institute of Radiophysics and Electronics, -Acade y of Sci PR IJkr
SSR (Institut radiofiziki i elektroniki Akademii nauk Ukrainskoy SSR)
TITLE: Nonlinear theory of wave propagation in semiconductors
SOURCE: Zhur eksper i teor fiz, v. 51, no. 2, 1966, 536-555
TOPIC TAGS: nonlinear theory, wave propagation, electron temperature,
electromagnetic wave, electron gas, skin effect
A
ABSTRACT- The propagation of electromagnetic waves in a semiconductor is
investigated in consideration of nonlinear effects U_u_e7o_ heating up of the e ectrons
by the field. Nonlinear anomalous and normal skin effects are analyzed. The
nature of field attenuation and the dependence of effective electron temperatures on
the frequency of the incident field and its amplitude are studied for resonance and
nonresonance. It is shown that the effective temperature with resonance exceeds
that with nonresonance. It is found that the attenuation depth of the electron temper-,
ature in the anomalous case is greater and in the normal case is of the same order
Card 1/2
FE

AP6031445
0
of magnitude as that of the attenuation depth of the field. The dependence of the
surface impedance on the amplitude and frequency of the incident electromagnetic
field and the stationary magnetic field is found. The specific interaction of elect.-o-
magnetic waves due to heating of the electron gas is analyzed. It is shown that the
propagation of smaU-amplitude waves may considerably change in the presence of a
large amplitude wave. Orig. art. has: 83 formulas. [Based on authors, abstract]
SUB CODE: 20/ SUBM DATE: 15Feb66/ ORIG RE, IF: 0091 OTH REF: 002/
t
Card 2/2

GREBENNIKOV, Yevgeniy A16ksmdzov1cb; 10'11,", IJI&Jiu!"r Griqortyovich;
GUREVICH,, Yu.U,., red,
[Interplanetary flights] Mezhplanetnyo polety. Mook-tra, Nauka,
1965. 199 P. (M-TILA 28:1.1)

YEGOROVY Vsevolod Aleksandrovich; GUPEVICII, Yu.G., red.
[Three-dimensional problem of reaching the moon) Pro-
stranstvennaia zadacha dostizheniia 1-uny. Moskva, Nauka,
1965. 224 P. (MIRA 18:9)

BODNER, Vasiliy Afanaslyevich, GUILEVIGH, Yu.G., red.
(Theory of automatic flight control] Teoriia avtomati~-
cheskogo upravlaniia poletom. Moskva, Izd-vo "Nauka,h
1964. 698 p. (MIRA 1"/s 5)

PFMMI. I.D., professor; GUREVIGH, Tu,K.
1*20m:- m:4ni. ~, ~
Late form of the fourth venereal disease complicated by cancer of the
vulva. Vest.ven.1 dorm. no.5.,55 5-0 153. (KLEA 6;12)
1. Ix Odesskogo dermto-venerologichookogo institnta in. To.S.Glayche
i Odesskogo oblastnogO Tondigpansera.
(Vulva-Cancer) (Venereal diseases)

GUREVIO, Yu.K., XMINTSKlY, I~S., ZITVAK, P.L.
...
Treatment of syphilis without the use of axsenic [with summary in
Englishl. Vestederm. i ven 32 no.4:42-45 ii-Ag '58 (MMA 11:10)
1 Is Odesskogo ablastnugo kozhno-vanorologicheskogo dispansera
(;lavnyy vrach I.M. Noltun).
(SYPHILIS. ther.
nonarsenical combined ther. (Rus))

GMEVICH, Yu.K.; LITVAK, P.L.
P!reventive treatment of syphilis with penicillin and eemoncriocillin.
Trach.delo no.6:653 JS 159- (MIRA 12:12)
1. Odesskiy oblastnoy kozhno-venerologicheskiy dispansers
(STPHILIS-PRIVENT ION) (ANTIBIDTICS)

GUHMGElr Yu.K.; LITVAK, L.L&; BIBEWAN, B*Ya,; BISKH, Ye,Ya,;
BMUBASH, D. V.
ftservations on the treatment of various forms of eyphilie wtth
b~cillin, Test.demi ven. 34 no.1201-33 160. (MIRA 1411)
1e Iz Odesakogo oblaptnogo kozhno-venerologicheskogo dispesiMra
(glay W vra oh IsHe loltvn),
(SIMLIS) (PWICIWR)

GUREVIGH, ... Yu.-K._; KAMMTSKIY, I.S.
Reiter's syndrme treated with corticosteroids. Vestademi
ven. no.ll.*67-69 161. (MM 14:11)
1. 1z Odeaskogo oblastnogo kozbno-venerologicheskogo dispansera
(g:Lavnyy vracb I.M. Koltun). I
(REITERTS DISMSE) (ADMOCORTICAL B0101OVES-TIMAPEUTIC USE)

POLISHCM, A.K., in2h. inzh~
Experience in manufaeturing reinforced concrete components by
production-line techniques. Bet. i zhel. -bet. no.8:31~-317 Ag
157. (MIRA 10-10)
(Moscow--concrete plants)

z/oii/62/019/001/017/017
E073/E136
AUTHORS! Korzin, N.V.,.G . M. , and Ioshpe M. L.
TITLE-. Selection of varnish systems which are resistant to
hot water
PERIODICAL; Chemie a chemicka' technologie. Pr1ehled technicke' a
hospodAr*sk4 literatury, Y.19, no.1, 1962, 38,4
abstract Ch 62-528. (Lakokras. Materialy, no.5, 1961,
67-68)
TEXT.- The following varnishes were trieds epoxy, mixture
of polivinylbutaryl and cresolformuldehyde resin, phenolformalde-
hyde resin, nitrile rubber with cresolformaldehyde resin,
oil-asphalt varnish with asbestos, amber, divinylacetylene
(ethynol varnish), furfural resin. From the first test series,
the three most satisfactory varnish systems were chosen, which
are being subjected to further tests. These ares ethynol
varnish, polyvinylbutaryl + cresolformaldehyde resin, and oil
asphalt mastic. 2 tables.
Card 1/1 [Abstractor's notel Complete translation.1

NADZfiDIN,, D.S., kand.tekhn.nauk; GLADKIY, I.N.; GUREVICH, Yu.M.
Testing the resistance of painted and varnished coatings in salt
mines and salt plants. Sbor.nauch.trud.UkrNIlSoll no.6:90-95
,62. (MIRA 17:3)

NADMEDIN, D-5- LNadiezhdin,, D.S.1; GIADKIY, 1.14. LHadkyi2 1.14.1;
GURETICH. Yu.M. [Hurevych., IU.M.]
Use of lacquer coatings for the protection of equipment, apparatas
and metal structures in the salt industry. Khar.prom. no.3:72-74.
J1-S 162. OM BA 15 '. 8)
lo Ukrainskiy nauchno-iseledovatellskiy institut solyanoy
pronyahlennosti.
(Salt industry-Equipment and supplies)
(Protective coatings)

IM1,111
GUREVICH, Yu.M.; DERUN, A.M.
Interference suppressing apparatus for electric correlation.
Geofiz.razv. no.14-.116-125 163. (MIRA 17:3)

Yu.m.
Correlation of strata of 11-Ligh-resistance rocks in well
sections. Geofiz. razv, no, 15r144-151 164. (PURk 1'7:7)

2UR.EV,I,CH, -_Ti~~M.
Normal field in the method of dipole electric cor-relaticn. Trudy Inst.
geofiz.UFAN SSSR no-3:249-153 165.
Optimum lateral device for resistance logging in the ore deposits
in the Central Urals. Ibid.:183-186
(MIRA 18:8)

GUREVICH) Yu.sh.
Characteristic groups. Mat. zap. Ural. mat. ob.-va UrrGu 4
no.1:32-39 163. (MINI 17.9)

GURIMGli, Yu. KOKORIN, A.I.
Universal equivallence o--.' ordered Abelian groupia. Jlg~ L log. .
a 16,-l
2 no.1237-3, - (milu, ijs~flj

GURWR If.
Elementary properties of ordered Abelian groups. Lg. i log. 3
no.10-39 164 (MIRA 18,~,I)

IS(O) PHASE 1 1300K EXPLOITATIOA 3OV/-2125

Toontral'myr nauchno-Inaledovatel'skly institUt chernoy metallurgil.
institut mataiievedoni" I riztki "tallow
Problemy metalloyodo" I rIzIkt notallov (Problems In Physical
Xetalluxgy and Netallophysics) Moscow Notallurgizdat, 1959.
9) Errata allp Inserted
Its: Sboralk truday
e
(Sa
i
540
.
:
r
v
P.
,
3,660 copies printed.

Additional 3ponsoring Agency- USSR. GosudarstTomays. qlaAOT& kamlastya.-
Sd. of ftbllshlag House: U.N. Barlinj Tech. Zd.s P.0 Iowa;
ubOY (i..p'*;d
-
Ya
L
ka
a
B
S
t
B
D
K 11~
.
.
oard:
amens
a
Zdltor
y
1&I
.
.
y
,
Ys.Z. Spakt-or, L.N. Utovskly, L.A. Shyartaman, And V.I. Palkin. .7
PURPOSE: This book In intended for motallurrists,
anginears, and specialist* In the physics OC natal$.
COVERAGE: The Vapors in this collection present the results or
investigations conducted between 454 and 1956. Subjects
Card IM
-
or metals, phrolcal methods or
7-covered Include crystallization
influencing the processes or crystallIzation, problems In the
pbyalcal chemistry of matallurS3"l processes, development of
now aothods_ao equipment for investigating metals, and
productlcm zontrol. Rerarencom follow sash article.
TABLE OF CC1h`TZNTS:
Problems In Physical ketallur" (Cont.) 30V/2125
kf&nam'Yfv. Y.M. Remote-control Radlometers for Radlocatrie
Investigation. of, Certain Blast; YurnaCS Prod'actloA PrOCCOSOX 492
Latysho V F- U r Radioactive Isotopes for Measuring
'r U
:f *
L
l
(
eva
.
-
'uid
499
Latrahov. V.I. . YU.S. PlinkIn. and I~ K. Tatoshemko. Automatic
Level PA4pdator for a Contimbous St#eI-c&atLx4, Installation 512
Spanskly, M.N.. and L.W. Utawaxly. ftgh-froqu4nay Vacuum
Malting rurname ... 520
vic N~Y- , and V.Te. Neymaric. Selection of Coditione for
11530 and Xr533 Stools In the Cast State 527
T2W strength And plasticity of h1gh-alloy steals, types
S1533 And 1=530, are sharply reduced with an Increase in
t&OP*r&tu". Mechanical properties of these steels wart
investigated in order to daterWins the possibility of
Improving their strength and plzatl.clty at elcT--tz1d lempera-
__A_py_"n--Ls or. alloy treating or by diffusion

w
It was round that a substantial Incrt-se in plasticity
results from the sddltlo
f 0
1
n o
.
-0-2J Percent. Al And
0.2-0.3 Percent
Ba-Al alloy. Addition of T.Ltaniqua greatly
s
.Vduc*a the via ticity.
Tokmakov, V.3. ZxP*r1encc rained In the use or Gasna-ray new-
detection Method in Kotgaiurgy 537
9x.,-r-1z=c:
9a1ned In the use or radioactive isotopes for
.
the purpo of flaw detection has shown that it Is possible
to one this method In checking O"tLng, &W melded
structures.
AVAILABLE. Llbrax7 or concrete
Card 28/18 00/jar
9-4-59

14(5) SOV/92-59-3--il/44
AUTHOR: V.
TITLE. Contour Flooding of the Offshore Oil Reservoir
(zakonturnoye zavodneniye morskogo pronysla)
PERIODICAL: Neftyanik, 1959, Nr 3, p 13 (USSR)
ABSTRACT: The advanced method of stimulating the oil flow by
contour flooding of the oil reservoir is now applied to the
offshore petroleum-bearing reeksNeftyanyye Kamni. The for-
mation pressure maintenance project has been developed by a
panel of petroleum production experts of the Azerbaydzhan
Ac5ademy of Science. Since 1953, when the injection of water
Into oil reservoir rocks was initiated, the number of input
wells and the quantity of injected water has continued to grow
as shown in Diagram 1. The efficiency of the flooding method
is illustrated in Diagram 2. While in 1953 only 11 percent
of, crude oil had been produced by pressure maintenance, by
1957, 70 percent of the recovered oil had been obtained by
Card 1/2

Contour Flooding (Cant.) SOV/92-59-3-11/44
this method. Two powerful water purifying units, several
pump stations and water distributing batteries now operate
at Neftyanyye Kamni. Sea water is injected =der pressure
of 60-65 atm. Thanks to the application of the flooding
method, offshore petroleum producticn costs are 3 times
lower than the costs of petroleum production on the mainland.
To in,-,rease the efficien!!y of the pressure maintenance method
further is one of the most important tasks of Caspian oilmen.
There are 2 diagramd.
Card 2/2

GUREVICH, Yii,V,
I----
G01,10C'.tiV0 t- p~itt-ojoumi workers. Nof tianik
7 no. 5:32 My162. (MIRA 15:12)
(Bibliography-VL1 well drillizLO-j, SubmarinfO
A"

23,955
S/020/61/137/006/017/020
114 0" BIOI/B201
AUTHORS: Myamlin, V. A., Kibardin, V. A., and Gurevich, Yu, Ya.
TITLE: Effect of a magnetic field upon the motion of particles in
electrolyte solutions
PERIODICAL: Doklady Akademii nauk SSSR, v. 137, no. 6, 1961, 1405-1408
TEXT: The present paper deals with a field of research that, in the authors'
opinion, has been little investigated so fer,, Still, findings in this
respect may be useful in the study of the structure of particles, such as:
determination of their viscosity, their surface charge, the hardness of*their
surface layer. Such problems may, for example, arise in biology. For their
purposes, the authors proceeded from a spherical drop with radius a situated
in an electrolyte, the latter bein traversed by a flow caused by the elec-
tric field il. The magnetic fieldl is applied in perpendicular thereto.
2 and-9 are homogeneous and constant at a distance from the particle. The
coordinate origin is assumed to be situated in the center of the particle,
the polar axis to be oriented alongside 9, the azimuthal angle (T to be
measured from the plane zx, and the y axis to be oriented alongside A. The
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8/029/61/137/006/017/020
Effect of a magnetic B101/B201
particle is assumed to be immobile, and the liquid to flow with the velocity
U0. I) If there is no flow through the drop, the following relations are
written for the*components-of force:
Fr = (IKEH/c)(I + a3/2r3)SingcOs(f;.F (xEH/c)(i - a 3/.r3)COSQco IS 7;
Fi - (--KEH/c)F~ - a3/r3 + (30/2r3)sin~O]sin (f (3)- Since in fields achieved
in practice the velocity is low, qnd motion has a viscous character, the.
system of h drodynamic equations receives the form: outside of the drop
VP = PLI + f; div V""* = 0 (4) inside the drop: Vpj jilO I div 0 (5).'
The following boundary conditions hold for r - a:. v r - vir ' 01 v Q. v 101
vq = v1qiI Prr ' P1rr1 Prg = P1rQ; PrT Plrq) (6). The following .solution
is written for Eq. (4) and Eq. (5): v f(r) sing COST j v g(r)cosecosT;
1= sinjh(~ + t(r)siz 2 r
VT 1 91; p - gs(r)sinocos(f (7). The function for the-
radius are derived from Eq. (4) and Eq. ~7), and the followLng is found for
a solution: outside of the drop f - k/r) + L/r + Uo; g - (t - K)/2r3.
+ (L + X)/2r + U01 t - B/0 + X/r; s'. (L 4 X)/r2 Or/a3; h -- -g (9),
where X -.EHxa3/4vc. Inside the drop (X - 0): f M f Nr2;
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Effect of a magnetic
23855
8/020/61/137/006/017/020
B101/B201
91 - M + r 2(2N + A/2); t 1 - Ar2 ; a1 - 1ONrl h I a -91 (10). A, B, M ... are
the integration constants, calculated on the basis of boundary conditions (6~
The-particle is found to move in perpendicular to the electric and magnetic
fie,ld with the velocity UO = (Ka2EH/211c) [61 + 41)/(21, + 3pl)] (12). This
magnetophoresis attains for I - 104 gau8s, j - 103 a an order of magnitude
of 0.1 cm/sea. II) If the partiole has a surface charge E, an electro-
phoresis will arise in addition. If the thickness of the electric double
layer is assumed to be considerably smaller than the.radius of the particle,
one may write for the potential outside of the particle:
T - [r-+ (1/2 - evoAEa)&3/r2]E coag (15). V0 is put equal to the velocity
of electrophoresie; Vo = EBa(2ji + 39, + E 2'K) (16). The following relation
is written for the motion of the charge in the inner layer of the double
layer:. F 1 = (2V 0EH/ac)e* . (17),-where I x denotes the unLt vector in the
direction of the x-axis. The effect of the magnetic field upon the double
layer is equal to z9ro. Equations (4) and conditions (6) remain valid. For
the magnetophoresis one finds in this case:
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2 YJ 55
S/020/61/137/006/017/020
Effect of a magnetic B101/B201
U = U. [1 + (8v + 154, )AIL + p, )] (FV./YEa) (20), where U 0is determined from
Eq. (12), V0 from Eq. (16). If the particle is solid, so that Eq. (17) is
abolished, then U = U 0(1 + EV ad /XEa) (21), where Vad is the velocity of the
electrophoresis of the solid particles: V ad - eEd/(p + E2d/ay,) (22). d is
the thickness of the double layer. If the viscosity g is negligible, it
will follow from Eq. (21): U ad ' 2U 0 .(2 3). This shows that uncharged
solid particles in a mhgnetic field are separable from chargedliquid parti-
cles. N. G. Levich, Corresponding Member AS USSR, is thanked for discus.-
sions. There are 3 references: 2 Soviet-bloc and 1 non-Soviet-bloo.
The reference to English-language publication reads as follows: D. Leenov,
A. Kolin, J. Chem. Phys., 22,-4, 683, (1954).
ASSOCIATION: Inatitut elektrokhimii Akademii nauk SSSR (Institute of
Electrochemistry, Academy of Sciences USSR)
PRESENTED: December 6, 1960, byA. N. Frumkin, Academician *A
SUBMITTED: November 2p 1960
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S/020/62/143/001/010/030
B104/B108
AUTHORS: Levich, V. G., Corresponding Member of the AS USSR, and
Gurevich, Yu. Ya.
TITLE. Effect of a magnetic field on the surface waves of
conductive liquids
PERIODICAL: Akadendya nauk SSSR. Doklady, v. 143, no- 1, 1962, 64-6'1
TEXT: The propagation of gravitation-capillary waves in conductive
liquids under the action of an external magnetic field is studied. The
periodical solution of the linearized equations of magnetohydrodynamics
OV/di VP + g + [rot hHol, i9li/at = rot [vH,,j,
P 4np
divv-=O, divii-O.
are sought. The external magnetic field HO is assumed to be in the direc-.
tion of the gravitational field, which leads to the particular solution
V, 4.%pk1 celAx+A[Z' rj" 0, V, CCIAx+kz
11nPEO + AZH2 (7)-
0 4;tpo)' + A2H3
Card 113 0

S1020 62/143/001/010/030
Effect of a magnetic field BI _A08
To this solution must be added the solution
of the homogeneous equation H.2
V 0.
(
03+ Up OP
which describes the Alfve/n waves propagating into the liquid.
2 42
p - 4n~Gj IAO. The electromagnetic field extends above the surface of the
liquid to a height equal to about two wavelengths of the surface waven.
The liquid particles in the waves move in circles, the radius of which
decreases exponentially with the depth. The dispersion of the
magnetohydrodynan.ic gravitational waves is described by
top 112 (21).
"0 k.
_k 9P =7 An
This shows that gravitational waves with a wavelength smaller than
X H2/4'tQg cannot propagate along the surface of the liquid. The
cr 0
effect of surface tension is investigated on the assumption that if does
not de end on the magnetic field and that the electromagnetic tensions are-
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S/020/62/143/001/010/030
Effect of a mhgnetic field B104/B108
low. Without attenuation, the propagation of sufficiently short or
sufficiently long waves is possiblev the dispersion law not depending on
the orientation of the magnetic field relative to the direction of
gravitation. The propagation of sufficiently short waves (capillary
waves) is always possible. There are 5 references: 4 Soviet and I non-
Soviet.
ASSOCIATION: Institut elektrokhimii Akademii nauk SSSR (Institute of
Electrochemistry of the Academy of Sciences USSR)
SUBMITTED: December 15, 1961
Card 3/3

GUREYICH, Yu Alf. (Moskva)
Talk with a witty mathematician. Priroda 51 [1 521 no.51
122 imeiRA 16:6)
-123 163.
(Mathematics-Curioaa and miscellany)

GUREVICH, Yu.Ya. (Moskva); CHITAYEVA, N.A., kand.geol.-.Mineral.nauk (Moskva)
t ~-'-
Brief notes on books. Pr1roda 52 no.6:24, 33, 84 163. (MIRA 16-.6)
(Brqg~ie, Loui De 1892-)
(Trans4alkal regi,V;;e deposits)
(Electric power)

ACCESSION NR' AP5009`564
AUTHOR: Gurevich" Yu. Ya., Myamlin, V. A.
TITLE: Frequency characteristics of the electrol.yte-iserni.cGrtdac~-ai- interface
SWME: M SSSR. Izvc--tiya. Seriya khimicheskaya, no. 10, 1-9611, 1.776-1785
TOPIC TAUS; e)xctrorh(-mir--1.r-;, electrulyais, semicondlictivijiZ.1
dcvi-ce, electronic circuit, olectric resioti,~i~ev electric (,-apa,::i1t.-rf-e'
5i6nal frequency
Abstrac"C'. The freque.ncy characteristics of the, eleetrol~L#,.-sed,Lconductor
interface were calculated, considering the influence of tite sucface levels
and treating a broad region of potentiala. A general exp~-essLon was obtaired
jEor the Impedance oE the electrolyte-agmicanductor contact, nLe volume
properties of the semiconductor also proved substantial. It wati fou-nd that
1due to diffusion effects, even in the absence of surface levell;, the ca;;Q(--L-
tance (and resistance) arl~ frequency dependent. The impedance of the acli.-
conductor was obLained by considering the thicLness of thri HeIiiholLa lave-
equal to zero and then conaiderLnT the ftifluence of the Ofe.1d efrec, A
j series of limiting casem are conaiAcre,& La detaLl, --ulgen
[.Card 112
-- -------- -

L 351-00-65
OCESSION IIR: AP5009361f
-teriaUcs oC thm
of requenc ea and potentials, including the CrequencIr chElvt~.
U.11
contact in the abaence of surface levelft. The authors note tl"t data oo
surface levels of a semiconductor, as well as data an tne volume propertieni
of a semiconductor, cin be- obtained from an experimentai. study ag the rrequertcy
characteristics of the electrolyte-eemicoMuctor contact. 'Elie y1:onsWer tlti&t
their equivalent circuits consistLing of a eapaaLtance and resist&nce connect-ed
lin parallel, calculaUng the dependence of these elements an the frequency
i~and potential, is more c(invenient than more complex circuits in whIch tile
teamponento are not dependent on the frequency, Orig. art. has:
.35 formulaa,
IATIGIII: Institut elektrol-chimii Mcademi-I nauk SSSR (Ir,~I;Itute qif ElectrocheaJ.-i
Academy of Sciences SSSR)
Lnt ix"

MY-AMIN, V.A.: GUREVICH, YU.Ya.
Capacitance, resistance, and injection coefficient of a
semiconducting electrode in redox reactions. Dokl. AN SSSR
155 no.1:164-167 Mr 164. (MIRA 17:4)
1. Institut elektrokhi.Tii AN SSSIR. Predstavleno akademl.kom
A.N.Frimnkinpn.

GUREVICH, Yu.Ya.; IMYAXILIN, V.A.
Faraday's rectification of the contact electrolyte - semiconductor.
Dokl. AN SSSR 155 no. 5:1159-1162 Ap 164. (MIRA 17:5)
1. Institut elektrokhimii AN SSSR. Predstavleno akademikom
A.N.Frumkinym.

MYAMLDI, V.A.; GURETICH, Yu.Ya.
Effect of volume levels on the impedance of a semiconductor
contact. Izv. AN SSSR Ser. khim. no.12:2237-2240 D 164
(MIRA 1.8 :1)
1. Institut elektrokhimii APT SSSR.

GUREVICH, Yu.Ya.,, MYAMLIN, V.A.
High frequency capacity of the electrolyte semiconductor interface.
Elektrokhimiia 1 no.6t734-735 Je 165. (MIRA 18:7)
1. Institut elektrokhimii AN SSSR.

GURENTCH , YU . Ye . , i rzli. ; I A. A., k -at id . 4
Study of the operational stability of synchrGnour mot"Coi%, with
asynchronoys system orF~raticn. Elektilchestvo no,3:35--!',l lt~ 165.
(IfLIRA 18:6)
1. Vseqoy,)znFj nauchno-InsledovatellskiLy Ins'Litut elak-.1roenergetiki.

L.L4112Z~5 FWA(h)/EWIG(k )IEWT(l )/T Pz.6/Peb- TJP(c A,7
ACCESSION NTR: AP5003407
AUTHORS., ~gay, V. A.; Gurevicht. Yu. Ya.
TITLE. Calculation of the curve of dynamic chargitig a, A :5!p
ductor surface
SOURCE: Fizika tverdogo tela, v. 7, no. 1, 1965, 12-12
TOPIC TAGS: surface layer, charging currento inversion layer, Car-',
rier density, space charqe layer
ABSTFACT: The authors calculate the dynamic dependence of the
i volt' e drop across a semiconductor surface layer on the charge of
a9
the layer, for the case When the contact. is enridhed with holes
(inversion layer) at the initial instant o, tine.~ It-idladsumed
f
that the semiconductor is in contact with another medium and tbe
entire current f1mAng through the nemicanductor is purely capaci-
tive (is consumed in increasing the apace charge in the aermiconduv-
Card
1/3

L 24919-65
ACCESSION NR: APS003407
tor). The time dependende of the c n la 01 t1 e'cur~i!nt!
once tkation lhd 1.
0 to 4
f minority carriers on the boundary df the diffum' n'region i1.3! ob
tained. It is shown that at sorae initial time intervpl, the length
of which depends an the properties of the semiconductor, the frac-
tion of the minority- c arri er current in the total, curn-ent is neq-
liqibly small. It is also shown that the nonstationaxy processes
connected with the supply of minority ccarriers from within the aemi-
conductor to the surface lead to the appearance of an additional
capacitance in series with the capacitance of the spaoe-charge
layer. An account is taRen of the generation of minarity carriers
in the quasi-neutral. volu-me of the semiconductor. "In conclusion,
we thank corresponding member AN SSSR V. G. Levich and also Yu. V.
Pleskov and V. A. t1jtamlin for a useful discussion." Oriq. art. hat;
__3 f-i-gures and 40 formulas.
ASSOCIATION: Institut- aLekf.-rdkhimU IM S-SEIR, Moscow
Electrochemistry# AN SSSR),
Ll~ard
fLn!~Utmtq of
xo

L 24919-65
ACCESSION MR: APS003407
SUBMITTED: IGMay64: EMCL-. '00 ~StM CODE: SS

ZHUKOVA , A.A., kand. med. nauk (Mloskva); j~URF-VICH, Yu.Ya. (Moskva);
FENENKO, N.F. (Zhdanov, Donetskaya oblast', UkrSSR); GINEVSKIY,
Ya.M. (Moskva); GAGINA, T.N. (Alma-Ata); VERESHCHAGIN, R.K.,
prof. (Leningrad); ABRAMOV, L.S.; SERGEYEV, A.S. (Moskva)
New books. Priroda 54' no.8:19, 35, 70, 102, 122-125 Ag 165.
(MIRA 18; 8)
1. Institut geografii AN SSSR, Moskva (for Abramov).

GUREV'Q-Ij,,,,ju.la.~. MYAMLIN,, V.A.
Frequency characteristics of the electrolyte - oemiconductor
interface. Izv. AN SSSR. Ser. khim. no,,lOtl776-1785 0 164*
(MIRA 17:12)
1. Institut elektrokhimii AN SSSR,

GUREVICH, Yu.Ye., inzh.; MOSHCHINSKAYA, Z.G., inzh.
Modeling of synchronous machines using electronic analog computers.
Trudy VNIIE no.15:72-96 163. (MMA 16:12)

SOKOLOV, N.I., kand.tekhn.nauk, dotsent (Moskva); GUM"VICH Yu.Ye., inzh.
(Moskva); Y-WVOSECHIIISKAYA, Z.G., inzh. (1,10's-iZ--
Use of analog c~mputera for -simulating a syston with =altiple
generators. El,ektrichastvo no-5:1-8 My 161. (MILIA 14:9)
(Electric network analyzers)
(Electric power distribution)

SOKOLOV I N. 1. )p doktor tekhn.nauk (14oskva); GUIEVICH, Yu.ye., inzh,
(14,oskva);KfIVOSHCHINSKAY,A, &G. , inzb,' ':(M6W, i~~i~*,: ~
Use of analog computers in studying the parallel operation of
large turbogenerators. D-lektrichestvo no.10:5-13 0 163.
(141RA 16:11)

GUREVIGH, Yu.Ye., inzh.; KHVOSHCHINSKAYA, Z.G., irtzh.
Concerning an assumption in static stability calculations. Izv.
vys. ucheb. zav.; energ. 7 no.3:1-9 Mr 164. (MIRA 17:4)
1. Vsesoyuznyy nauchno-issledovatellskiy institut eleRtroenerge-
tiki (for Gurevich). 2. Moskovskiy ordens, Lenina energeticheskiy
institut (for Khvoshchinskaya).
%W

YENIKEYAV, Kh.K., jaindidat biologichookikh nauk; YAKOVLNV, P.N., akademik,
nauc)myy reaaktorLGURSVICH,. Z., redaktor; IMPLUNSKAYA, X.,
tekhnicheekiy redakt r
(Ivan Vladimirovich Hichurin. the great transformer of nitture; an
album of visual instructional aide] Ivan Vladimirovich Hichurin -
vvlikii proobrazovatell prirody; allbom nagliadrWkh posobii.
[Moskva] Goo. izd-vo kullturno-proavatitelinoi lit-ry, 1956. 78 1.
[ --- Axplanatory text to accompany the album] --- Poiasnitell W
tekst k allbomu. 1956. 45 p. KU 9:9)
(Michurin, Ivan Vladimirovich, 1855-1935)
(Fruit culture)

GUREVICH, Z.
Labor-management committee. VTO no.10:62 0 '59. ( KRA 13:2)
1.Ghlen byuro sektoll ekonomiki reepublikanskogo pravleniVa Nauchno-
takhnicheakogo obahchestya stroylndustrii, Kiyev.
(Kiev--Cons true ti on industry)

P s

GUREVICH, Z.A.
Clinical neurologic aspects of toxic alimentary aleukia (Hypoleukocytic
angina). Klin.med., Moskva no.4:92 Ap '50. (CIXL 19:3)
1. KharIkov.

GUREVICH, Z.A.,professor
Dispensary services In peptic ulcer cases among rural population.
Sov. zdrav. 16 no.2:55-59 F '57 (KLRA 10:4)
1. Iz kafedry organizatail zdravookhraneulya (sav.-prof. Z.A.
Gurevich) Kharlkovskogo meditsinskogo instituta, (dir.-dotsent I.T.
Kononenko)
(FMVIC ULGIR. ther.
outpatient serv. in rural cond.)
(OUTPATIXNT SJMVIGNS
Management of peptic ulcer patients in rural cond.')
(RURAL CONDITIONS
outpatient serv. for peptic ulcer patients)

GUREVICH, Z..A., prof. (Khartkov)
New yaya of treating tuberculous meningitis; review of 6oviet and
foreign literature for 1957. Klin.med. 35 no-9:34~2 S 157.
(MIRA 10:11)
(TUBERCULOSIS, MSNINGNAL, ther.
review)

f
GUREVICH, Z.A., 7orof. (Xharlkov)
"Material on the history of the public health service in the
Ukraine." Reviewed by A.A.Gurevich. Vrnch.delo no.1:101-102 Ja 158.
(MIRA 11:3)
(UKRA INE- -PUBLIC MLTH)

GUMVICH, Z.A., prof.
- 4 -~ I ~ I ~
- -
IlGreat MedicAl encyclopedia," Vol.2. Reviewed by Z.A.Gurevich.
Zdrav.Roo.Yeder. 2 no-3:36-37 Mr '58. (MIRA 11:1)
(MMIGIBI-ENCYCLOPEDIAS AND DICTIONARIES)

EXCERPTA MEDICA See 18 Vol 3/8 Cardlo. Dis. AuR 59
2133. Social pathology of coronary disease in the modern capitalistic countries
(Russian text) Gvia;virii Z. A. Min. Aled.(Moski-eq 1958, 36 8 (16-24)
The article is a partial review of Western medical literature of the pa~st few yearn:,
devoted to the aetiology and pathogeneiis of coronarv artery diswa-w. The author
emphasixes the data which point out the increasing incidell,ce of coronarv arterv
disease in the population of Western countries. tie agrees with authors who relat-C
the high incidence of coronary artery di~case to chaotic and stressful living of tit(-
broad masses of people inhabiting the large American cities. On the other hand. lie
disagrees with the investigators who attempt to relate the incidence of coronary
artery disease to excessive consumption of fats. The author maintains that the broad
masses of population in the capitalist countries of the USA, England and France,
which were undernourished prior to the last World War, are even more badly
undernotifishedat the present time. lie believe.-; that thecapitalist scientistsadvoca-
ting a restriction of dietary fats are serving the interests of ruling capitalists who are
trving to decrease the salaries of workers on one hand and to increw;e the pricc,; of
fond and particularly of fats on the other hand. The author claims that in contem-
porary capitalistic countries the population suffers not from excess but from
deficiency of fats. He admits that some scientists in capitalistic countries are
beginning to approach the concepts of Pavlov, accepted by the contemporary
'-soviet scientists. lie quotes workers who suggest that hypercholesteraemia may
result from emotional rather titan nutritional factors. Furilier criticism is direcicil
at the Western scientists who attempt to correlate the high incidence of coronary
artery disease with certain occupations such -.is that of physician and other f si-
onal people. According to the author, anv such differences can be due tothe ifferent
diagnostic accuracy applied to thoroughly examined physicians in contrast to les,
exactly examined workers. fie believes that concepts which attempt to prove that
the 'higher social strata' suffer more from coronary arterv disease than the workers
are being developed for the purpose of distortion of tne true sociological factors
Mated to the increasing incidence of coronary arterv diseas,_,. The author states that
the ti'lle factor is nervous tension among workers who are subjected to the pressure
bf mechanization and overwork by the contemporary capitalist methods. He quotes

fli aqC in tilt- popillatit L. aglees with atithors wh,) it-late
t h(- high incitk-lice of Co ll;totic and stressful living of the
broad masses of people i C;Lll Citiei. Oil the otlwr hand, It,,-
disagrees with the investigators who attempt to relate the incidence of coronarv
artery (Esease to excessive consumption of fats. Tlw atithor maintains that tit(! broad
111asses of population ill tilt! capitalist countrivs of tliv I'SA, Lngland and France,
Which were usidertiourished prior to the last World War. -art! even mom bad1v
u.ndcrnourisited at tile present time. Ile helieves that tile capitalist. scientists advoca-
ting a restriction of dietarv fats are serving the interests of ruling capitalists who are
trving to decrease the salaries of workers on one hand anti to increase the priccs of
food and particularly of fats oil the other hand. 'rhe author claims that in content-
porary capitalistic countries the population suffers not front excess but from
deficiency of fats. tic admits that some scientists in capitalistic countrivi are
beginning to approach the concepts of Pavlov, accepted by the conteniporar)
Soviet scientists. fit! quotes workers who suggest that hy
S percholesteraenna inay
result from emotional rather than mitrition-al factors. Furiher Criticism is directe'd
at the Western scientists who attempt to corrAtte the high incidence of coronary
M -
arterv disease with certain occupations such as that of phvsiciati and otlicr profess-l-
onal ~eoplc. According to the author. all\. such differences'ean be due to the different
diagnostic accuracy applied to thoroughly examined physicians in contrast to less
exactly examined workers. fie believes that concepts which attempt to prove that
the 'higher social strata' suffer more from coronary artery disease than tile workeiN
n of the true sociological factors
arc being developed for tile purpose of distartio
related to tile increasing incidence of coronarv arterv dise. st!. The atithor states that
the true factor is nervous tension among woikers i0io are subjected to the pressure
of mechanization and overwork by the contemporary capitalist methods. He quotes
Lenin, who wrote: 'While the capitalist has a tremendous income, tile worker works
4 times harder and ruins his muscles and nerves 4 times faster'. Tile author concludes
that the excess and intensity of the work ruin the health of the worker, who becomes
an invalid in order to be then kicked out by the capitalist like a pressed-olit lemon.
The author feels that the capitalist scientists who mention the 'psychic stress of tile
conternporarv civilization' ornit to say that the enormous psychic burdens to which
millions of people have been subjected result from the recent imperialistic wars. -
SUraWiCZ - BUTIington, Vt. (XVIII, 6, 170)

,GMTICHs Z.A., prof.; KHOROSH, I.D., kand.wed.nauk
Kethods for 14roving expert evaluation of temporary Incapacity.
Vrach.delo no.2:179-181 7 160. (MIRA 13:6)
1. &Lfedra organizatell zdraTookhraneniya (sav. - prof. Z.A.
Gurevich) ]Khartkovskogo meditsinskogo instituta.
(DISOILITY VALUATION)

-GUREVICHj Z.A.9 profo (Kbarlkov)
Scientific work of the Department for the Or?-,,,,,Lnization of Public
Health and the History of Vidicane of the Kharkov Medical Institute
during the period. Sov.zdrav.19 no.7.-41-42 160. (MIRA 13:8)
(PUBLIC HEALTH) (1,niujL6 tiESZOCH)

-GURMCHv Z.A.
Parther data on the social pathology of coronary disease ir the
modern capitalistic countries* Ilinmed. 38 noolsl54,-158 Ja 160.
(CMNARI H&W DISMSE) (MMA 13810)

VAKSER, B.D., inzh. (Leningrad); GUREIVICH, Z.M., inzh. (Leningrad)
Prebreakdown phenomenon in the insulation of high-voltage electric
machinery. Elektrichestvo no.9:70-73 5 '61. MIRA 14:9)
(Electric machinery) (Electric insulators and insulation)

-_ N2ister Med Sci (dies) -- "Patholop.-Ical changes in the taste
analysor in -patients with disorders to the BtoTmch secretions long after
traumatic Injury to the centural nervoue, system -psychic O.'Lsordera".
Leningrad, 19558. 21 pp (Min Health PSI"GR, Leningrad Sannita-v7-Fygiene Mee-
Inst), 200 copies (KL, No 5, 1959, 155)