SCIENTIFIC ABSTRACT GVARIEHVILI, R.I. - GVELESIANI, G.G.

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• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R000617720005-3
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Sequence Number: 5
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

USSR / Humn and Animl Physioloa. CarlotV~Irate Matabollarl. T
Abs Jour : Rof Taur - Biel., No 15, No. 69822
Author : Gvarishvi4, p. '-zo
Inst : Academy zrScioncos Georgian SSR, Institute of Clinical
and Exporimontal Cardiology
Title : The. Content of Iactic Acid, Glycogen, and Its Fractions
in the Hoart in Exporinontal Avitaminosis E.
Grig Pub : Tr. In-ta klinich. i oksper, kardiol. AN GruzSSR, 1956
(1957), Vol 4, 3B7-391
Abstract : Ton rabbits weighing 600-800 gm were kept on artificial
rations devoid of vitamin E. Control animal (10)
rocoivcd normal rations. With the appearance of avit-
aminosis E. the animals were sacrificed.. the hearts ro-
moved,, frozen., and subjected to detorninations of the
content of lactic acid and of total and p--otein-bound
glycogen. In avitaminosis E it was discovorod that the
C ard 1/2
USSR / Huran and Animal Ptysiology. Carbohydrato Motabolio=. T
Abs Jour Rof Zhur - Biol-J. No 15, 1958, No. 69822
content of glycogen in the ventricle vas lowered at, the
ex.ponso of its free fraction, while the content of lactic
acid was approximately double that in tho hoarts of the
control animals. -- L. A. Kashchovskaya
C ard 2/2
25

PRUNIN, F.K., podpolkovnik meditainskoy alushby. GUSAWY!, EW.K.
Some psychological
8-9 5 $51-
(SPTCHOLOGT.
problems in aviation. Voon.-med.zhur. no.9:
(KIRA 9;9)
APPLINS) (AM PILOTS)

USSR/Diseases of Farm Animals - Diseases Caused by R-2
Bacteria and Fungi.
Abs Jour : Ref Zhur - Biol., No 4, 1958, 16928
Author : Gvatua, I.N.
Inst : Odessa A3ricultural Institute.
Title : On the Treatment of Parenchymatous Mastitis in Cows on the
Firat Day of Sickness.
OriG Fub : Tr. Odessk. s.-kh. in-ta, 1955, 7, 159-162
Abstract : It is reported that a rood therapeutic effect my be ob-
tained in parenchymatous mastitis by the use of the exu-
date milked out from the af,'ected quarter of the udder,
if the treatment is started on the first day of the onset
of disease. The exudate is injected subcutaneously into
the region of the fore udder in a dose of 10-20 ml. --
L.S. Kirichenko.
Card 1/1
- 10 -

GVAT, -, ;nL amu . laureat Stalinsklkh premiy, kandidat takhnichaskikh
. -p,,4&Ador - A
vl-;*-~! ~-; nauk;OBHGIMKOV, P.K., otvetstvenr4y7 redaktor;BHLFOYAWY, I.I.,
redaktor isdatellstv&;PAVLOVSXIY, A.A.. tekhaicheskiy radaktor
CK. B. Tsiolkovskii on the conservatlon of energy]. L J. TSiolkovskil
o krugovorote energii. Moskva, Isd-vo Akad.nauk SSSR. 1957. 71 P.
(Porce and energy) (ILRIL 10:10)
(TSiolkovskii, Konsta*tin Iduardovich, 1857-1935)

PHME I BOOK EaMOrMION 807/4056
Gvay.. Ivan Isidorovich., Twice Stalin Prize Winner, Candidate of Technical Sciences
0 maloizvestnoy gipoteze Tsiolkovskogo (A Little-Known Hypothesis of Tsiolka"Idy)
Malugal Kaluzhakoye knizhnoye izd-vc) 1959. 246 p. 20.,000 copies printed.
Ed.: 1. Yershova; Tech. Ed.: B. Galitskiy.
PURPOSE: This book is addressed to the general reader interested in theories on
the reclamation of energy dispersed in nature and the contributions of X.R.
Tsiolkovskiy.
COVERAGE: A considerable part of K.E. Tsiolkovskiy's studies on the energy cytle.,
i.e., the possibility of utilizing energy dispersed in nature has not been
published to date.The author proposes to supply this lack by calling th*
attention of the public to Tsiolkovskiy's little-known hypothesis and to those
scientific considerations which testify to thertimeliness and fruitfulness of
his hypothesis concerning the energy cycle in natur-?. No personalities am
mentioned. There are 315 references: 311 Soviet,, and 4 English.
C ard 1/3

A Little-Known Hypothesis of Tsiolkovskiy sov/4o56
TABIZ OF CONTEM:
Editor's Preface 4
Introduction 21
Ch. I. Force of Taiolkovskiyts Scientific Foresight 26
Ch. II. The Indestructibility of Energy 38
Ch. III. Reversibility of Phenomena on the [Tim and Distance] Scale
of the Universe 54
Ch. IV. Reversibility of Phenomena in Any (Arbitrary) Scale 71
Ch. V. Electroategnetic Reversibility Phenomena 89
Ch. VT. Tsiolkovskiy and the Energy Cycle in Natam 107
-Ch-.-,Vrl. Some Problems in the Theory of Cognition 127
Card 2/ 3

A Little-Known Hypothesis of Tsiolkovskiy
Ch. VM. "Thermal Death* or 'Eternal Youth* of the Universe?
Ch. IX. Progressive Character of the Tsiolkayakiy Hypothesis
Ch. X. Meaning of the Tsiolkovskiy "thesis for the present
Ch. XI. Man and Energy
ConcluAion
Bibliography
AVAILAXE: Library of Congress
Card 3/3
SOV/4056
U3
163
185
206
226
230
T)(/rn/m"
8-2-60
liq

GUT, 1. 1.
- i~ -
I -"- I.A. Molkovskli on the reversibilitr of phenomens.. Vqp. imt. Got.
I takh. no,,6:39-43 139. (MINA 12:6)
.I (TSiolkovskIll lonstantin liduardovich, 1837-1935)
(Yorce and energy)

SOV/ 124- 58 - 5 - 5917
Translation from: Referativnyy zhurnal, Mckhanika, 1958, Nr 5, p 139 (USSR)
AUTHOR: Gvay, P.I. [Hvay, P.1.1
TITLE: Influence Lines for the Determination of Critical Loads on
Compressed Beams (Linii vliyaniya dlya opredeleniya kriti-
cheskikh sil szhatykh sterzhney] in Ukrainian',
PERIODICAL: Zb. nauk. prats'. Dnipropetr. inzh.-budiv. in-t, 1957, Nr
3, pp 102-'110
ABSTRACT: An approximate determination of the critical values is given
for concentrated and distributed compression loads on beams .
of constant cross section (hinge -supported at both ends as well
as hinge-supported at one end and clamped at the other) with
the aid of tabulated influence lines of the bending coefficients
of the beam at -different points along its axis. A number of
examples is examined presenting solutions (not on the safe
side) with errors of from 1.6 to 5.8%. These sample problems
are solved exactly.
N.K. Snitko
1. Beams--Load distribution 2. Beams--Mechanical
Card I/ I properties 3. Approximate computation

ADAMOV101, L.D.,
(Geometry of screw sitrfaces) K voprosu geometrii vintovykh povarkhnosted.
Dneptopetrov-sk, 1958. 22 p. (Dnepropetrovsk. Inzhenerno-
atraitellnyi institut. Nauchnoe soobshchenie, no-35). (MIRA 16:8)
(Screws, Theory of)

GAGARIN, P.A.;_~VAY, otvetstvemiyy za vypusk
[Analyzing and designing precast foundation beams for wills of
industrial buildings] Raschet i proektirovanie sbornykh,fundamentnykh
balok pod stony promyshlennykh zdanii. Denpropetrovskv 1959- 31 P.
(Dneproeptrovsk. Inzhenerno-stroitellnyi institut. Nauchnoe soobahcheniep
no.54). (MIRA 13:12)
1. Zamestitell direktora po muchnoy 6basti Dnepropetrovskogo
inzhenerno-stroitalinogo instituts. (for (~vay).
(Girder"s)- (Youndatior4s)

TAMOV) N.G.; GVAY, P.I., dots... otretstveMy za vypusk
[Some problems in the bending of rectangalar three-layer ortho-
tiopio plateb vith a filler] Nekotorye zadachl ixgiba priamaagoll-
zykh trekhaloinfth ortotropeykh plastin o sapolnitelema 1hepro-
petra7skv 1959~j 17 pe (Daepropetrovsk., Thzhenerno-otroitellnyi
institut* Kaucbnoe soobshchenie,, no.50). (MIRA 1424)
1, Zemestitell direktora po nauchnoy eMsti, Dnepropptrovskogo
inzhenerno-stroitellnogo inatituta (for Gvay).
(Elastic plates an4 shells)

I(RIOV, Yu.K.9 kand.tekhn.nauk, GVAY.,_P.I., ot-.-. za vypask
(Design and wear resistance of Pins of a sectional pull chain]
0 raschete i iznose pal2tsev tiagovoi razbornoi tsepi. Abepro-
petrovsk, 1959. 17 p. (Dnepropetrovsk. Inzhenerno-stroiteltmyi
institut. Nauchnoe soobshchenies, no-52). (MM 14.-6)
1. Zamestitell direk-tora Daepropetrovskogo inzhenerno.-s4~--roi-'L,4el'noe-,o
Instituta. (for Gvay).
(Chains)

PREOBRAZHEIISKAYA, K.G., assistent; WAY, F.I., otv. za vy-pusk
[Mechanics of permeabjjj:;bo&Ies] K voprosu makhaniki pronitsaemykh
tel. 1960. 13 P. (Dnepropetrovsk. Inzhbnerno-stroitellnyi institut.
Nauchnoe soobshchenia, no.57). (MIRA 16:8)
1. Zamestitell direktora Dnepropetrovskogo zhenerno-stroitellnogo
inatituta po nauchnoy rabote (for Gvay).
(Permeability)

FLORINSKIY, F.V., prof.; VOLOSHIVA, L.P.., dots.; LYAKIIOI,'I'-"SKIY,, S.I., kand.
tekhn.nauk; SHIROCHIT"IFE", Ye.V., dots. [deceased]; ARCHAKOVA, L.A.,
inzh.;_~~A~,__T.B.,_inzh.; MURZINA, Z.I., inzho
Results of rqsearch on screen vibrating in the horizontal horizontal
plane, Izvovysouchebozavo; gorozhure noo2:167-170 16o.
(MIRA 14:5)
1. Dnepropetrovskiy gornyy institut.
(Screens (Mtning))

TER-OGAIN-MISOV, Ya.G.; GVYTA, T.I.; ROSHCHIN, Yu.V.; ZUDOVA, T.J.
Method and equipment used in foreign countries Ln aarcgeophysical
prospecting for uranium deposits. Atom. energ. Supplement no.6:14.6-16o
'57. (MIRA 11: 7)
(Aeronautics in surveying) (Prospecting--Geoi)hy-sical-methods)
(uranium ores)

AUTHORS: Ter-Oganesovo Ya. G., C;_,ia.,/ta,, T. I., Roi;ficlLin, Yu. V. 89-1-21//29
TITLE: The Applications of Auroradiometric Muthods for the Dctection of
Workable Minerals (Primeneniye a(-,roradioi-~le-tricii,!L;L-ikii raetodov
dl.ya poiskov razlichnykh poleznjkh iskopa,emjkh )
PERIODICAL: Atomnaya Energiya, 1958, Vol. 4, Nr 1, j~p. lo2-1o2 (USSR)
ABSTRACT: With a few words the authors deal with the contents and the con-
clusions `6-o be drawn from thu follo;;iri,., publications:
Aviation Vieek, 64, 2, P-74
Canad. Cher,.Process, E, 13, p. 66
M
ines Mag., 46, 7, P. 31
M (Kellog)
World Petrol, 21, 5, P. log (Lundber,,)
Mining- J., 234, P. 708 (1954)
Eng. and Mining J., 1954,1-lr 7- p. 2o'u
Photogram. EnS., Zo, Nr ~, (1954)
There are 7 non-Slavic refcrences.
AVAILABLE: Library of Congress
Card 1/1

5/172/60/013/003-4/001/'00',)
B002/BO67
AUTHORS: Gvayta, T. I., Ter-Oganesov, Ya. G. (Moscow
TITLE: Prospc~tine or Rare and Disperse Elements
Methods VI
With Radioactive
PERIODICAL: Izvestiya Akademii nauk Armyanskoy SSR. Geologicheskiye i
geograficheskiye nauki, 1960, Vol. 13, No, 3-4, PP, 57-63
TEXT: The present paper gives a general survey of the possibilities of
prospecting for non-radioactive rare and dispense. elements by radiometric
methods. Many of these deposits also contain a certain amount of.uranium
and thorium which cause aamma anomalies in the deposits, Sometimes uranium
and thorium minerals are paragBn6tically associated *ith'the'.minerali a
tion of rare and disperse elements, such as with beryllium and columbite
tantalite in pegmatites, with beryllium and wolframite in greisenizations;
sometimes the uranium and thorium minerals themselves such as pyrochlol"e
lovtschorrite, fergusonite, monazite, xenotime, etc. are carriers of the
rare elements. Besides, uranium and thorium may occur as isomorphous
Card 1/3

Prospecting For Rare and Disperse Elements S/172'60/013/003-4/001/002
With Radioactive Methods B002//BO617
constituents in the gangue and in the accessories like in apatite, sphene,
zircon, fluorite, and others. The magmatogenous deDOSitS were divided
according to the type of mineralization and the radiometric properties:
a) Premagmatic type: mineralization consists in finely distributed loparite,
lovtschorrite, dysanalyto or knopite,. Thorite, lovtschorrit'?. otc.are
radioactive minerals. The anomaly occurs locally and isometrically.
b) Post-magnatic type: The mineralization is related to late displacement
processes, especially to albitization. The mineralized material consists of
zircon (as cyrtolite and malacon% pyrochlore, polycrase or f;rgusonite,
columbite. The radiometrical anomaly clearly follows the zone of albitiza-
tion. c) Third type: post-magmatic deposits which are connected with ultra-
basic alkali rocks, Carbonatites are mineralized; pyrochlore and
hatchettolite as well as carbonates and fluocarbonates of the rare earths
are found. The following r0ioactive minerals are found; thorianite,
monazite, and zircon. The nomaly decreases in the direction from the center
to the periphery of the intrusion, Granite pegmatites show only local
accumulations of uranium and thorium minerals. Pneumat;clytic-hydrothermak
deposits could be observed by the enrichment of uranium and thorium- Some
Curti 2/3

Prospecting For Rare and Disperse Elements
With Radioactive Methods
S/172/60/013/003-4/001/002
B002/BO067
general remarks are made on the radiometric determination., Finally.. it is
said that the following depos;ts have 91ready been determined by means of
radiometric methods: diamondObauxite,Pphosphorite, titanium, copper-
bearing sandstones, ~I-ack shate-,--anT-others. There are 7 references:
6 Soviet.
SUBINTITTED: April 15, 1960
Card 3/3

GVAZAVA. Anton Isa evich
--l .7 -.- ~ ~
[Treatment of deep forms of pyodermia by means of a bacteriophage
type] Materialy k terapii glubokikh form piodermitov proarochennym
baktariofagom. Tbilisi, Gruzmedgiz, 1957. 47 P. (MIRA 12:3)
(BACTAUOPHACZ) (SKIN-DISIMBS)

GVAZAVA, A.!., Cand Med Sci -- (dissJ "t)ata for the
.toe#awr of the deep fnrms of pyodermatitis
wi tli* d+ hage.11 fbilisi, 1958, 13 P,
Wyed bacterion
cruitisi ~jtjte Ked lnst) 200' copies (Fl,, 23-~bl 111)
- 125 -

L 44-1,17-66 ~~WTW IJP(c)
NR.- _0'_
.kP6 10420
AUTHOR3 Gvazavat D. K#
ORG: Novosibirsk State
otdeleniya AN SSSR
Novosibirskiy gosudarstvennyy universitet);
~awrtment._AN SSSR(Institut matematiki -
TITLE: Toward the theory of boundary-y%lwe probj!pw f9r the equations
Y"'U'Ve + UVW.- 7t (i, V) ew in general
SOURCE: AN SSSR. Doklady, v. 167, no. 2, 1966f 274-277
TOPIC TAGS: differential equation, boundary problem, elliptic equation, linear
differential equation I 60UAID,9,e~j v4AvF- Oeo6j fltrz, eAi,5-rEA)0E, e0A)7?A)U001
.-- 0 A-) C 7'~l 40AII
ABSTRACT: Aspects of the overall boundary problem of the type
Eu (x, y) ~= yT~.x + uvy = lc(x, Y) eu(x- Y',
are considered, where m is a positive number and k(xpy) is nonnegative everywhere
domain D, and the function has contifiuous first derivatives in B. The domain D is a
singly-connected domain of the half-plane y ;7 ol bounded by a section AB of the x-sx1W
and a continuous curve a- Denoting F(s) as a continuous function of the curved
abscissa a, given on the boundary r= T + AB of D, the theorem is statedt There
exists in D a unique, twice continuously differentiable solution of the equation MI
Card 1/2 UDCz 517-93

L 443i7-6A
Acc--NR-,-AP661-6420 - ---------
which is continumas in the closed region D and which satisfies the condition
U (X, y) I r = F(s)'
(2)
Proof of the existence condition is as developed by L. Lichtenstein (Vorlesunaen i1beT
einige Klasnen nichtlinearer Integralgleichungen und Integro-differentialgleichungen,
Berlin, 1931). A second theorem is stated: There exists a unique twice continuously
differentiable (in D) solution of the equation (1) which satisfies the conditions
"(X'y)I- (3)
.Ou (x,. Y) I Oy v W,. (4)
where IP(s) is a continuous function given on a, and v(x) is also a continuous
function in the interval 0 4 x < 1. The author thanks A. V. Bitsadzep corresponding
member AN SSSR, who directed attention to the problem FUR- 'supervised the work. This
paper was presented by Academician M. A. Lavrentlyev on 17 June 1965- Orig. art. hast
15 equations.
SUB CODEs 12/ MM DATEt 15Jun65/ ORIG REP: 001/ OTH 'jW3 005
Card 2/2 b1

AUTHORS:
S/ 124/6-,5/00/003/0 16/0035
D23141/D30a
Gv a z a v a, G. N' Kandclak- A. N
TITLE. Application of electronic analog comouters '.'0 SOMOk:pro-
blerad of noaliiwar racclianics occurring in. tific calcula-
tion of nor-steady motion in the head. oystem, of a hy-
dro-electric station
PLIZIODICAL: Re-ferativnyy zhuzrnal, Melk-hanika, no. 3, 1963, 68, Wo -
lraev
s
41 - 33404 (Izv. Tbilissk. in-ta soora-Ii. i
gidroenerg., 1962, v. 14, (48), 55-63)
T!:'.XT: The authors give methods of calculating the vib ations of
0 0 1 r L
masoes in the head system of a hydro-electric station by mcans of
a modeling analo computer mri-r-l-, (MPT-11). Vibrations in pris.-a-
tic -and damping ?with resistance) equalizing reservoiro are calcu-
0
lated 'Lor a.,.,-r load variations, both positive and negative. 'The me-
J
.4-hod- make it possib"e to t---'-e into account idle runn`ng of t,,,e
hydrogenerator. Theoretical and experimental data are compared
.Card 1/2

6/124/63 /000/003/018/065
Application of eleczroqic D234/D308
(from Min-echaurskayo-, Ladzhanurskaya and Arzninskaya st-ations and
0
from one Italian station). Specific examples of the solution of
problems are Given. 14, references. /-Abstracter's note. Complete
translation.2
Card 2/2

GVAZAVAY I.. S., K-VIRIKADZE, V. V. and KPLGAKYAN, G. 0.
"Study of Parenteral Administration of Biomycin and Ekmolin in the Laboratory and in
the Clinic" a report prepared at Sukhumi Medico-Biological Station, AMS USSR, 1954.
So: Review of Eastern Medical Sciences, Munich, No. 2, 1956.

GVA"AVt%. T._ S. and LOWIN, B. A.
"Analysis of the Death of the Monkey Ufa" a report prepared at Sukhumi Medico-
Biological Station, AMS USSR, 1954.
So: Review of Eastern Medical Sciences, Winich, No. 2, 1950'.

GVAZAVA, 1. S. , VADOVA, A. V. zand YAKOVLEEVA, L. A.
"Analysis of the Death of the Monkey Yukka" a report prepared at Sukhumi Medico-
Biological Station, Abf; USSR, 1954.
So: Review of Eastern Medical Sciences, Munich, Nol 2, 1956.

~11 117 `Aj
T - 'Y; v
uvltz~%v L . , VIC"GIII. -11, Go"". of I'lled.
"Results of Parenteral Administration, of Biomycin in Cczb.;r_at_ion ',Tith
Ecmolin Experimentally and in Clinical Practice,"
P. 380 Ministry of Health USSR Proceedings of the Second All-Union Conference on
Antibiotics, 31 May - 9 June 1957. P. 1105, Moscow, Medgiz, 1957.

DZHIKU)ZIA, X.K.; GVAZAVA, I.S.; KOVTARADZE, K.N.
Cooperative study of narious methods for treating ezDarimental
Soane dysentery in monkare (with summaz7 in Inglifilhl'. Antiblotiki-
2 no*6:20-27 N-D 157, (MMA 11;2)
1. Kedikoftiologichaskaye stantsiya ANN SSSR (Sukhumi)
(DYSEWSR7, BAGILTARY, experimental,
antibiotics,' cosparison. in Moniceys Otus))
(AMIDICITICS, effects,
on anere bacillary dysentery in monimys (Rus))

.-QYAZAVL,-I-j-S -
GEKKER, V. D.
AKSENOVA, A. S.
"The Use of hew 'Antibiotics for the Treatment of Dysentery"
P 131
in book publ. by Inst. Experimental Fathology and Therapy, Acad. redical
Sci. USSR, Problems nf Infectious FathnIogy !Ln Monkey Expzrimentg, Editor,
B. A. Lapin (Cand. Medical Sci.) Sukhumi. 1958.

GVAZAVA, I. S.
"Clinical Peculiarities of Dysentery of Monkeys"
in book publ. by Inst. Ej~perimntal Pathology and Therapy, Acad. I*AediCa:L 5CJ.
USSR, Problems of InfectigUs PathnIQU in Mnnkag ~=rimgntq, Editor, b. A.
Lapin (Cand. Medical Sci.) Sukhumi, 1958.

GVAZAVA, I. S.
DZH-IKIDZY,--r.-K.
KAVTARADZE. K. N.
"Experimentation of Chimical Therapy of the Dysenteric Zonnye" p. 135
in book publ. by Inst. Experimental Pathology and Therapy, Acad. Medical
Sci. USSR, Problems of Infec&lnus Patholngy in Monkey E2=rlments, Editor,
B. A. Lapin (Cand. Nedical Sci.) Sukhumi, 1958.

GVAZAVA, I. S. , Cand 1,"ed Sci -- (diss) "Clinical a-spects, dia-c-,nio.stics,
and antibioticotherapy of bacterial dysentery in monkeys." 6luchumi,
1959- 16 pp; (Ministry of Public Health USSR, Central Inst for Advanced
Training of Physicians); 200 copies; price not given; biblioEraphy at
end of text (11 entries); (KL, 23-60, 12?)

GVAZ&VA, I. S.
Intramiscular method of administering tetracyclines in the
treatment of dysentery in monkeys. Autibiotiki 4 no-3;
98-100 I~v-Je '59- (KIR& 12:9)
1. Institut eksperimentalinoy patologii i terapii AM9 SSSRo
Sijlduuni.
(DYSMMY, PACILLkRY. exper.
eff. of tetracycline, intraimisc. admin. in
monkeys (Rua))
(TNTH&CYCLINE, eff.
on exper. dysentery, intramusc. admin. in
monkeys (Rua))

GVAZAVA, I.S.; MAGAM11, G.O.; WIVIGII, I.V.; AKSETTOVA, A.S.
Experimental polymyxin 14 therapy of bacillary dysentery
in monkeys. AeUbiotiki 7 no-4:327-331 Ap 162.. (MIRA 15:3)
1. Klinicheskoye, otdeloniye Instituta eksperimentallnoy
patologii i terapii M91 SSSR, Sukhumip i kafedra aikrobiologii
(zav. - chlen-korreopondent AM SSSR prof. Z.V. Yermollyeva)
TSentrallnogo instituta usovershenstvovaniya vrachey.
(DYSEIUERY) (POLDI-ixill)

GVA7AVA, K.A.
Electric loconotive anginnor Taras Salsonovieb Kikava. Blek.i tepl.
tiaga 3 no.5:15 My '59. (MIRA 1,1:9)
1. Nacbal'nik depo Sukhumi.
(Electric locomotive engineers) (Kikava, Taras Samsonovich)

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To. 9....... 9.11, go, , K, * ... m,d C, qj ,*dDDj Hy ffq-D'pj
-d , --,A)i
-I.. I ~ -rSdI AN -v.Bm.Adi...
qu .-.d...d.., . I---.
lwal W-Ve - . ..-- .... ..... -dU
Lgi -%V6 I ...,dg.j,.r ......... d..d ....V ...... li Vr,,.qIj-LtL.
....d..A.r . V dq~ 9_% 4c6t

'SL ~9 imjAdn ( -.,w,dA-du3*,j
'am[ S.E 9,L

K 'P 'L 'All. -d-L) " LOt qS6 -lh-E
.-AduA .... 9
r.A(b
g.A.. A
............... d

~%r-A.dAfj -SIL

GVAZAVA, Sh. T., Cand of Agric Sci -- (diss) "Growth and development of'
young orgnge trees in relation to soil preparation." Tb-Msi, 1957,
2L1. pp (Georgian Agricultural 'Institute), 100 copies OM, 32-57, 94)

USSR Cultivated Plant:~. Subtropical. and Tropical m-8
P I ari'~s.
Abs Jour: Ref Zhur-Biol., 1958, No 16, '(3189,
Author : Ovazava.-Sh- T.
Inst :-Trf-~Union Scientific-Research Institute of Tea and
Sul.,tropical Crops.
Title Grovith, Development and Fruit Bearing of Young
Orange Trees Depending on Methods of Soil Maintain-
ence Between the Rows.
Orig Pub: Byul. Vses. n.-i. in-ta chaya i subtrOD. kulltur,
1957, No 1, 116-1113.
Abstract: At the All-Union Scientific-Research Institute of
Tea and Subtropical Crops, different variants were
studied of soil maintenence between the rows in
younG orange orchards on red soil: 1) control -
Black fallow up to August, then annual soilcovers
Card 1/3

GVAZAAVA, Sh,T,, aopirant-
Effect of the methods of treating soil in the interiows on. the
growth, development, and fruiting of young orange trees.
Biul. VNIICIUSK no.1:116-3-43 :5?. (~MU 15:5)
1. Vso9oyuznyy nauchno-issledovatel~skiy institut chaya i
subtropicheskikh kulitur.
(Georgia--orange) (Mulching)

7 ~., 165.
nauchr-c-11 -:jiedovatel f ski n's U ~Iit (-haya i
zubtropichaok:A'n kul I tur

QVAZAVA,_Te.H. podpolkoiniik meditsinskoy aluzhby
Socialist competition In the military hospital. Vnen. - med.
zhur. 1:10-12 '0'3. (MIT tA 17. 8)

PHUZIUM113mr lilt I 1--tv It- III.
4.1D 71 F,S
1FAX W' AT60151~~, SOURCE CDDE: UR/oooo/6 5/000/000/00 59)'0063
AUTHOR: Muskhelishvili, G. N.; GvedaaLvili -~.A-
ORG: none
TITLE: Electron-optical VQU 1!
SOURCE* AN GruzSSR. Institut elek 1~jiLor,11hi
avto.mati ~-h ogo upravlonly-a (Aiitomatic control circuits). Tiflin, I.,d-vo Metsnilrer-
eba, 1965, 59-63
TOPIC TAGS: coriputer rienaory, information storage Luid vi-trie-titil, dleta storagc`
storage tube, computer storage device
ABSTRACT: A nonvolatile electron-optical nemox-j systein capable of storing 100 bits
0.1) 1 rmTR2 of working siirface has been designed and tested, meinocry medium does
not deteriorate with repeated use. The basic schematle djagrtuii of the syotv;~m is
shown in Fig. 1. Vacuum enclosure I contEdn-s a transl-acent plete 2which in
forfl
coated on one side with a translucent conducting layer I end a layer of "s"'Oto
(asubstance which changes its optical properties when an electron. bea.'a strikes
A photocathode 5 Is positioned on the other side of -the translucent plate. Electmpj
gun 7 serves a-s the electron-beam source. The information to be stored mutt be
modulated by electrode 8 and focused by device 9. refli!cting plates 10 serve
as the address system, Information is erased by applying a heating current to layer
3 through electrode 6. The electron beam from gun Al is fccu~ed by electrode
Card 1/3

ACC NRt AT6015127
Fig. Electron-Optital
M~morj system
LO 4-ILY 6 9
JL
12 and applied to phoLocathode 5 to read the Mtorou on D11flecting plate
12 serves as an address system. The screen is iliturdnated by pul"JIA light I)O111-cc-
14. The model uzed 101MIG, 1ILMIZIG, and 16jKLG dark-trace tubes fr~:,- GII.-orage. ki
LI-17 image orthicon was used for reading. Tests estiblished 4hat the ~-PN ratio o
retrieved information is increased if beam electron density r:md the accelemting
mlLential of the dark-tract-, tiPbe are hic~~i. The ratio of Outpl~t sigr,~,al" mE~r be
raised 10-15% by using a light filter (x = 5620 kj^, bandwidth = 100 T_~ V.
esr,ablishcd that 5 x 105 bits mey be stored In 101",12G or IJITVG tv'nes with ,ti vorkinz
"_-011 of 5.1 x .5 x 105 bW3 In I,)UIIG tubin-1. Rend time I-s of the oxdQ r,
10 tuld 7
of a few microseconds and is consideraW ler,,.*, than. write o_ntl era!~-! Ume. The i~ywterllq
Card 2/3

ACC NR, I-IT-610-15127
is suitable for read-only wemoryr but it requires a romplex adilreso system. Orig.
art. has: 4 figures. I"BDI
SUB CODS: 09/ SUBM DATE: 29sepO/ ORIG REF: 002/ OTH 00IJ A!.FD PRC-M

GYMSIANI, A.A.; TELIGULASHVILI, R.S., red.
[Principal stages in the developwnt of Soviet commerce in Georgia]
Oanovnye etapy razvitiia sovetakoi torgovli v Gruzii. Tbilisi.
Izd-vo K-va torgov1i Grazinakoi SSR. 1958. 231 p. (KIRA 13:8)
(Georgia--Co=erce)

L -Z
PHASE I BOOK EXPLOITATION SOV/3462
Akademiya nauk Gruzinskoy SSR. --Institut prikladnoy khImii I elektro-
khImI1 I
Gidroelektrometallurgiya khroma; sbornik rabot (Hydroelectrometallur-
gy of Chromium; Collection*of Works), Tbilisi, 1959. 261 p.
1,000 copies printed.
Ed.: N.T. Gofman; Ed. of Publishing House: L.N. Sarkisyan;. Tech.
Ed.: A.R. ToduA.
PURPOSE: This book Is intended for metallurgists.
COVERAGE: -This collection of papers deals wi-t)a toe problem of ob-
taining high-"urity chromium and the problem of producIng pure raw
P
materials from i4hich the metal itself is obtained. The investiga-
tions reported in this volume were-conducted between 1947 and'1957
at the Institut prikladnoy khimii I clektrokhimii AN'Grazinskoy SSR
(Institute of Applied Chemis~ry and'Electrochemistry, Academy of
Sciences Gruzinskaya:SS 'R). The most detaJAe"d studies,in the collec-
tion are those dealing with the elect.r.ol-ysis of sulfate solutions
and with methods of obtltining raw materials for the process. ItIs
Card 1/9
Hydroelectrometallurgy of Chromium (Cont.) SOV/3462
claimed that more,than a decade of investigation, testing of flow-
sheets and eldctrolytic-tank'designs utilization of Soviet and non-
Soviet data, and reverification of
I Published results obtained at the
pilot plant of the U.S..Bureau of Mines have led to the development
of a definite., and to Some extent original, method of obtaining high-
purity chromium. Choice of a simple, economical flowsheet required
the study of methods for obtaining and Purifying compounds of triva-
lent chromium. The most acceptable method, technologically, has
proven to be a two-stage refining of ferrochrome. It is described
in the Introduction by R.I. Agladze. Compounds of hexavalent cj~rom'_
ium are obtained in the first stage by direct electrochemical
dissolution of carbon-containing ferrochrome; in the second stage,
electrolysis of the chromium salts, reduced to the trivalent state,
is carried-out. The.method is 'considered significant in view of
the possibility it affords~of using not only standard ferrochrpme,
but also ferrochrome with a-higb content Of Impurities and a low
chromium content. This feature makes it feasible to use low-grade
chrome ores. Studies are made of the anodic dissolution of 11'erro-
chrome in sulfate, carbonate, alkaline, ammonlacal, and chromate
solutions, The following methods of reducing hexavalent chromium'
Card 2/9
Hydroelectrometaliurgy of Chroml~,.;_m fContj 30V/'1462
compounds are investigated: the electroohemical me-thod, the action
Of sUlfur-c-ontain-ing substances, and the action of materials con-
taining cellulose. Also investigated are methods of purifying the
chromium compounds of Iron, the Principal Contaminant, by fractional
precipitation of hydroxides, direct precipitation of iron hydroxide,
or solution of ferrochrome In alkaline, carbonate, and other elec-
trolytes. One of the Possible Processes of obtaining high-pdrity
chrorqe hydroelectrometallurgically is presented with an accompanying
flov~dheet. The principal comp*onentb art chromium sulfate, ammonium
sulfate (or chrome ammonium alLun), and a certain quantity of biva-
lent chromium ions, which form during the electrolytic process
and whose preservation at a definite concentration is necessary for
stabilizing the process. Carbon-containing ferrochrome is used as
the raw material for the production of chrome --anmoni'um. alum. Ammo-
nium, bichromate is obtained by anodic dissolution of ferrochrom-e in
reusable solutions at
a definite PH value. Iron hydroxide and other
insoluble residues are filtered off. industrial water is used for
preparing new portions of the electrolyte. The electrolyte, a so-
lution of ammonium bichromate or a mixture of bichromate a:nd chro-
mate., is reduced in the presence Of Sulfuric acid with iron filings
Card 3/9
Hydroelectrometallurg,,r of chr(~,jmjum (Cont,) 307/3462
or other reducing agents to the complete Coliversion of bichromate
to chromium sulfated The eleletrolyte is then transferred to crystal-
lizing tanks for crystallization of the-,chrom .e WaOnium alum. A
small quantity of catholyte, oontaining bJvalent chromium ions, is
ad'ded to the crystallizing tanks to speed up crystallization. The
acidi- mother liquor is returned to the section for the reduction
of bichromate, and the chrome ammonium alixn is dissolved for tile
feeding of the catholyte of the chromium tanks, An anolyte, & mix-
ture Of chromic and Sulfuric acids, is also added to the section for
reducing, where it Is reactivated. A trial run on an industrial
scale has shown that the process may successfully compete with the
production of chromium by aluminum reduction and demonstrated the
high quality of the products The studies in this collection and
the proposied method of Producing high-purity chromium are considered
by the staff of the Institute of AP'P'led Chemistry and Electro-
chemistry as Just one stage In their-Lwark. Investigations of other
methods will be reported in a later volume. The investigators are
studying the Possibility of obtaining chromium in a single-stage
electrolysis involving solution of ferrochrome and cathodic precipi-
tation of the Pure metal in a single tank. For this PLIrpose chlor-
ide and chromic acid electrolytes are being considered, the latter
Card 4/9 1
Hydroelectrometallurp-v nf (,)j,,j1,, (r,,,

ff~droelectrometallurgy of Chromium (Contj Islov/3462
Anodic Dissolution of Ferrochrome in Alkaline and Ch,omate Solutioi-a 21
Agladze-, R.I., T.V. Ionatamishvili, Dzh. F. Gvelesiani, and L.L.
Rubesh. Produc 'tion of Ammonium Bichromate and Chrome Ammonium Alum
From'Ferrochrome 33
Ionatamishvili, T.V. Resistivity of Electrolytes in the Anodic Diem-
lutio.n of Ferrochrome 51
Ionatamishvili, T.V. Potentiometric bwstigaticn of Chmmate Solutions 57
Agladze, R.I., and N *V. Mzareulishvili. Anodic Diasolution of Ferro-
chrome in Sulfuric Acid Solutions 63
II. Chemical Met4od.s o;,Obtaining Chromium COAWounds
Lutsenko, N.G., R.I. Agladze, and T.V. Ionatamishvili-. Separation
of Sulfates of Chromium and Iron by Fractional Crystallization 75
Mzareulishvili, N.V., and R.I. Agladze. Separation of Sulfates of
Chromium and Iron by Fractional Crystallizatlon 83
Basmanova, S.N. Production of Anhydrous Chromium Chloride 919
Card 6/9
Hydroelectrometallurgy of Chranium (Cont.) S OV/3 V52
Ionatamishvili, T.V. Separation of Conpounds of Chromium and Ironby
Fractional Precipitation of Hydroxides 107
PRODUCTION OF METALLIC CHROMIUM
I. Production of Metallic Chromium by Electrolysis
of Its Hexavalent Conuounds
Berezovskayat T.A. Productionof Metallic Chromium From Solutions of
Chr(xnic anhydride 119
Berazovskaya, T.A. Production of Metallic Ch-roMiuM Tram Polychro- 129
mates
II. Production of Metallic Chrordum by Electrolysis of Chlorides
Gofmanq N.T.? D.I. Dzhaparidze, and T.I.. Lezhava. Electrolysis Of
Chromium Chloride. Report I. Somd Data. on the Behavior of Chromi-
um Chloride Soli~tions During Electrolysis 139
Gofman, N.T. T.I. Lezhava, and D.I. Dzhaparidze. El ec troly s I s
of Chromium hloride. Report II. Productiori of Metallic Chrom-
Card 7/9

Hydroelectrometallurgy of Chromium (Cont.) 5 OV13 462
i um 149
III. Production of Metallic Chromium From Chromium lodide
Basmanova, S.N. The Problem of Obtaining High-Purity Chromium 167
IV. Production of Metallic Chromium by Electrolysis of Sulfates
Gveles iani, Dzh. F., and R.I. Agladze. Sorm Properties of Sulfuric
Acid Electrolytes Used for the Production of Electrolytic Chromium 179
Ionatamishviii, T.V., and L.L. Rubesh. Effee-,t of Certain Sulfur
Compounds on the- Process of Producing Electrolytic Chromium 191
Agladze, R.I., T.V. Ionatamishvili, D.A. Bpgvercidze, md R.A.
Mikdodashviii (Deceased). The Problem of Obtaining carbon-Free
Chrome and Chrome Alloys by Electrolysis 201
Agladze, R.I., and Dzh. F. Gvelesiani. Production of Electi,o-
lytic Chrome From Ferrochrome ~2'1
Card 8/9

Hydroelectrometallurgy of Chromium (Cont.) SOV/3462
Bibliography 255
AVAIIABLE: Library of Congress (TN 799 -C5A4)
Card 9/9
K/.j b,
5-17-60
GVX1,ESIA1TI, Dzh-F-
Role of aim-O~-'-Um sulfate iu the hydrometallur(Ar of chromium. Soob.
,&N Gru,. SSR 24 no.6:0191-696 is 160. (MIMA 13:9)
1. All GruzSSR, Institut prikladnoy kh1mii J elektrokhimii, Tbilisi.
Predstavleno, akademikom R.I. Agladze.
(Chromium-ElectrometallurgY) (Ammouium sulfate)

Al
GVELESIANI, ozh. F,j CAND TECH SC I Dlgfq:fV;A;T:I-.QN OF
ELECTROLYTIC CHROME FROM FERROCHRR
,4me, TsILISI, 1960.
(STATE COM HIGHER AND SEC SPEC ED /~ COUNCIL OF MINISTERS
xv~
GEORGIAN SSR, ORDER OF LABOR RED BANNER GEORGI I;/POLYTECH
INST IM Ve I* LENIN)* (KLI 2-619 207).
-122-

GVELESIANI Dzh.F
Formation of trivalent chrumtum in the process of anodic
solution of ferrochromium. Trudy Inst.prikl.khim.i elaktro-
khim.AN Gruz.SSR 3tlO5-1-10 162. (MIRA 16sl)
(Chromium alloys) (Chromium-Electrometallurgy),

AGLAHS, R.I., 10HATAIII811VIL12 T.V.i GVELFSIAN~,. D.F.
P
Electrovinning of chromium from mother liquors after the
crystallization of chromium alums. Trudy Inst. prikl khim. i
elektrokhim. AN Gruz. SSR 2:101-107 t6l. iMMA 16;,8)
(Chromium compounds)

/0
5/279/63 00/001/007/'03
E021/E452
AUTHORS: Rubesh, L.L. Algladze, Rol.$
Akimenko, V.B. (Tbilisi)
TITLE .-The anodic dissolution of fer,rochrome
PERIODICAL: Akademiya nauk SSSR. Izvestiya. Otdoleniye
tekhnicheskikh nauk. Metallurgiyet i gornoye delo.
no.1, 1963, 100-104
TLXT: The influence of the iron, carbon (0 to 79a) and silicon
( 0 t o 2. 8%) contents on the anodic dissolution of chromium was
investigated. The starting materials were electrolytic chroalium,
Armco iron, active carbon and metallic silicon. Cylindrical
anodes wero'cast from a high frequency induction furnace into-!
metallic moulds 50 to 60 nun long x 30 mm diameter. .Electrolysiis,
was carried out with anodic and cathodic current densities of
10 and 7 A/dm2 respectively alectrol te concentration.
0 &' e
50 g/litre (NH4)2Cr2O7 (2 /litre Cr pH 6 to~',6.5 and
temperature 60 + loc. The iron Iand chromium hyih-oxidla
P-recipitates'were dissolved by adding concentratod stAlphuric a:cid,
and Cr6+, Cr3+ and Fe3+ were determined. With indrease in iron
Card 1/2
he proportion Of curr
Thu
increasc efficiencY tqith Lron
content t whilst that for F03+ ne ease in iron
decreased ant. The overall current I
Cr3+ remained cOnst 'as 100%; further r duo to
of up to 35 to 40~' fficiency bel0lir 1000/
a Tliare
contents educed the overall current assivatiom.,
content r a and increased anode 1), . cj,ecrea s, in thalt
evolution Of Oxyge sed to forift Cr>+ and current
. current u content. The 1*.Oral
sharp increase In. crease in carbon *zjj anode
'r6+ wi h, in ith illcLoease
forming C t+ Cr3t arid Fe3'- fell Iq
hown to bi) present in the
used to form Cr Co ivere S solution Were
carbon contenti and Co2 and f Si on anodic dis There kre 3 fiq;urd.s'
anode gases. The effects 0 less marked..
similar to those Of carbon but
t 4, 1962
sUB1MITTj,:D: Augus
Card 2/2

GVELFSiAtll, G~cl. "Thi-Haj)-i NADIRADiF, A.-A. 'k'TWlL9i)
Aa,mLnothermy of Ytt-rbium oxLde. Isv. 21 SSSR. Mete i gor. delo no.5.p
- I.MIRA 1841)
57-65 S-G 164.

GVEILS 1ANI;, _G.. . - ~-
Aleksandr Nikolaevich Dztutvakhishvili, 1875- ; his 90th
birthday. Izv. A.N SSSR. Ser. gsog. no.6:139-141 N-D 165.
Vit- I i
it

GVELC,51'Y4NIj G. -I A,)
ALAMPIYEV. P.M., kandidat geografichask h n~auk, dotseat; GIUGORIYEV. A.L,,
kandidat ekonomicheskikh nauk; ZHMINU, Y.B., kandidat ekonomiche-
skikh fiank, dotsent; LOYTIR, M.N., kandidat tekhaicheskikh nEmk;
LYALIKOV, N.I., kandidat geografichaskikh nauk, dotsent; HIKITIbT,
N.P., professor; TTJTYKHIN. B.A., kandidat geograficheskikh naak,
dotsent; CHXRDLNTSBY, Glel Nikanorovich, doktor ekonomicheskikh
nauk, professor; DZEEAVAKHIMILI, A.A., profesoor; G4V3&N= G,,
0 %,3G
dotsent; GA IN, P.D,, redaktor; RODIONOVA. V.A.,
ROVA, N.V., takhnicheakiy redaktor.
[3conomic geograpby of the U.S.S.R.; Soviet Socialist republics;
Ukrainian, Moldavian, White Russian, Lithuanian, Latvian, Istonian,
larelo-Finnish, Georgian, Azerbaijan, Armenian, Kazakh, Uzbek,
Kirghiz, Tajik, turkmen] Zkonomicheskaia geografiia SSSR; Sovetokie
aotsiallaticheakie Respubliki: Ukrainakaia, Moldavokaia, Belorusakaia,
Litovskaia, latviiskaia, Istonskaia, Karelo-Finakaia. Gruzinskaia,
A.zerbaidzhanakais, Armiaaskaia, Kazakhskala, Unbekskaia, Kirgiaskaia,
Tadzhikskaia, Turkmenskaia. Moskva, Goo. uchebno-pedagog. izd-vo
Ministerstva prosveshcheniia RSYSR, 1954. 426 p. [Microfj-IjL]
(GeograpI7, Economic) (MLRA 8:1)

TAVADZE, F.U., oty. redi; AGLADZB, R.I., red.; ARCHYADZE, Sh.R., red.;
TAGMIADZE. H.D., red.; G72MIA111, G.G., red,: GUDZR=31AY1, B.I., red.;
DZHANSLIDZE, A.I., rod.; DZOTSENII)ZE. G.S.. rod.; DURMrSHINS.
S.V., red.; KSTSKHOVELI. N.N.. red.; MIKELADEE I S r:d
I d a;~;d],;
RUBINSHTEYN. M.N.. red.; TVALCHRBLIDZE, A.A., ro
TSITSISHVILI. G.V., red.; SHMNGELITA, P.G., rod.; FZODOTIYEV.
K.M., red. lzd-va.; GUSIVA, A.P., tokhn. red.
[Natural resources of th'i Georgian S.S.R.] Priro&mV* resursy
Gruzinskoi SSR. Moskva. Vol. 1.(Ketalliferous minerals] Metallicheskis
poleznye iskopaomye. 1958. 230 P. (MIRA 11:11)
1. Akademiya neuk Gruzinskoy SSR, Tiflis. Sovet po izucheniyu
proizvoditoll nvkh sil. 2. Chlon-korrespondent All Gruz. SSR (for Tavadz*).
(Georgia--Ore dooosits)

GVEI-ESIP11I, G.G.; 1JDELADZEJ.S.Y red.; BOUCHAVA, T.F., red.izd-va;
E.B., tekhn. red.
(Principles of the socialist distritrution of production) Ob
osnovakh sotsialisticheskogo rawashcheniia proizvodstva.
Tbilisi, Izd-vo Akad. nauk Gruzinskoi SSR, 1961. 135 p.
I (MIRA 15:3)
(Russia-Economic policy) (Industries, Location of)

GVEISSIMNI, G.G.-
Characteristics of the establishment of economic regions in a
mountain country as exemplified by the Georgian S.S.R. Soob.
AN Gruz. SSR 27 no.6-.679-686 D 161. WM 15:2)
L Institut geogr&M im. Vakhushti AN Gruzinskoy SSR) Tbilisi.
Predstavleno, akademikom A.N.Dzhavakhishvill.
(Georgia-Economic zoning)

GVELESIANII, Georgiy Grigorlyevich
- -- -- --.- ~ I - - I -- .
[simny Georgia] soniachna Gruzila. Kyiv, Derzh. Pyd,-
vo polit. lit-ry, IQ,62. lfYl 1). (MIRA 18,, 1)

n
GVELESIANI, G.G.; BEZARASHVILI, Sh.l'!, MGA1.01BLISHIVIL'I, l1,"
Alurainothermic reduction of europium oxide. Soob~ AN vl"uz. SSR 35
nc.2079-386 Ag 164. (MIRA 1722)
.1. Ingl,.Itut mataalurgli AN Gruzinskoy SSR, Tbilisi. Submitted July 2,
-L
1964.

GVELESIANI, G4G.
Conference on the problem of developing the natural resources of
Mranscaucasia. Izv. AN SSSR. Ser. geog. no.2tl65-166 Mr-Ap 165,
(MI RA 18: 4)

h. 1.
Pill yic.'3iM 671, S '65i,
met., 1

oil
AM N7' -AP6-002652 SOURCE CODE: UR/0251/65/040/002/0407/0412
AUTHOR: Nadiradze, A. A.; Gvelesiani, G. G.
457 1
ORG: Georgian Institu of Metallurgy (Gruzinskiy institut metallurgii)
TITLE: Thermod amicalof the thermal reduction of ytterbi OXM_,,by means of
lanthanum and cerium
SOURCE: AN GruzSSR. Soobshcheniya, v. 40, no. 2, 1965, 407-412
TOPIC TAGS: chemical reduction, ytterbium compound, thermodynamics, cerium,
lanthanum, rare earth metal, vapor pressure
ABSTRACT: The processes of the reduction follow the reactions
Yb2o3solid + 2 La liquid ~ 2Yb vapor + La203solid (1)
Yb2o3solid + 2 Ce liquid ~ 2 Ybvapor + Ce203,,lid .(2)
The equilibrium of these reactions is estientially determined by finding the vapor
1/2

L 15956
ACC NR- AP6002652
pressure of Yb metal above the reaction mixtures on the assumption that the activitiet
of the condensed phases participating in the reaction equal unity and that pequil
for Ce and La is zero. Pequil for reactions (1) and (2) was determined by the boiling
method (cf. Gvelesiani, G. G., et al. Trudy Gruzinskogo in-ta metallurgii, vol. XIV,
1965). Briquetted charge (molar ratio La(Ce)/Yb203 = 2.5) was heated at 850-1150*C
and the evaporation rate of Yb was measured 6-8 times at various temperatures; where-
upon a curve of the rate of weight loss of the residue was plotted. On this basis
it was established that, within the investigated range of temperatures, the exp(tri-
mentally determined values of the Gibbs function for the thermal reduction of Yb203
by means of La and Ce differ in both cases from their theoretically calculated count-
erparts. A possible explanation for this discrepancy is that at present the values of
many of the thermochemical quantities necessary for the calculations have not yet
been established for most rare-earth metals and their compounds. Orig. art. has:
3 tables, 15 formulas, 2 figures
CODE: 07, 20/ SUBM DATE: 15A r65/ ORIG REF: 0081 OTH.REF: 006.
p
bvk
~/2

ACC NRt AP6021712
SOURCE CODE.
UR/0251/66/0411003/0657/0664
AUTHOR: Gvelesiani, G. G.; B!-gdavadze, D. I.
ORG: Georgian Institute of Metallurgy (Gruzinskiy institut metallurgii)
TITLE: Thermal reductioAf samarium oxides by lanthanumvi
SOURCE: AN GruzSSR. Soobshcheniya, v. 41, no. 3, 1966, 657-664
TOPIC TAGS: samarium compound, lanthanum, powder metallurgy, chemical kinetics
ABSTRACT: A method for the thermal reduction of samarium oxide powder by lanthanum
in a vacuum is described. Briquets (15 x 3 x 3 mm) were pressed f7-om powder mixtures
of B-SM203 and La of 99.5% purity and reduced in vacuo by heating to 12000C. The equi
librium partial pressure of Sm vapor and the isobaric-isotherml potential were given
as functions of temperature by the following equations:
8.21 - 11250 (1225-14730K)
lgPMM =
T
and AZO = 102940-48.77T (1225-14730K).
T
The evaporation of Sm limited the speed of the process in the early stages, while dif
fusion of the reactants through the solid reactant product La203 limited the speed in L

A
,ACC NR: AP6021712
the latter stages. By examining the Sm yield as a function of the molar ratio La/
/SM203, the optimum charge was determined to be La/Sm203 = 2.75, for which the Sm
yield was between 93 and 66% at 12000C. The following optimum process conditions
are: temperature--12000C, reduction time--l hr, briquetting pressure-2500 kg/=Z,
sizek