SCIENTIFIC ABSTRACT LEVINA, S.A. - LEVINA, S.S.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R000929610015-8
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Document Release Date: July 12, 2001
• Sequence Number: 15
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

MINA, S.A.; YMMMID, N-7-
Adsorptive activity and the structure of Cole of sesquioxides
:s affeated by host treatments Sbor* nauch. rab. rust. khIm. AN BSSR
041145-153 158. (KMA n: 11)
Adsorption) (Colloids) (Hydroxides)
v

MCPHOLMOO N.F.1 IZVINAq S.A.
Structure# adsorption# and catalytic activity of ferric hydroxide gel
as a Auntion of the mods of its precipitation@ Sboro PIAUObt rabs
Inet, fis.--org, khim. AN BSSR no. 7t49-56 159. (MIRA 14W
(Iron, hydroxide)

50) jOV/79-29-6-52/72
AUTHOISs Levina, S. A., Yermolenko, N. F., Pansevich-Kolyada, V. I.
TITLEt Ferric Hydroxide. P C~,t~ilyat of thr of '..,c
ti-,, rtf Aqet,n-~ ti
Pi.3100CALs Zhurt.al obOictiey khiLaii, 1) 59 ,Vol 29, fir 0',
pp 1920 - 1525 (USZR)
A,BSTRAC.Ts The diacetone alcohol is obtained by condensation of acetone
in the presence of catalysts. As such catalysts the hydroxides
of the alkali metals (Refs 1-4), of calcium (Refs 5,6), barium
(Ref 7), and some other products (Refs 8,9) are used. In the
present paper the authors for this purpose used ferric hydroxide
prepared in a suitable wa: (Ref 10). The synthesis was carried
out according to -the u.,jual laboratory method (Ref 11). In the
experioent many samples of ferric hydroxide were used, which
were prepared by precipitation with ammonia from sulfate in
different ways. The structure of the samples was determined,
and their catalytic attivity'san compared with the activity
of barium hydroxide. It was found that it was possible to
Card 1/2 obtain ferric hydroxide of different adsorption and catalytic

Ferric Hydroxide, a Catalyst of the Reaction of the BOV/79-29-6-32/72
Conden-tion of Acetone to X&cetoae Alcohol
activity according to the mode of preparation. The activity
rises with decreasing content of the ion SO4". It was thus
confirmed that the uee of ferric hydroxide as catalyst for the
condensation of acetone to the diacetone alcohol-is possible.
The constant of the condensation rate in the presence of the
most active sample of ferric hydroxide (Sample II in table 1)
is twice hig),er than in the presence of barium hydroxide
(Tables and figures). There are 4 figures, 3 tables, and 17
references, o of which are Soviet.
ASSOCIATIONi Institut khimii Akademii nauk Belorusakoy SSR (Institute of
Chemistry of the Academy of Sciences, Belorasfkaya SSR)
SUBMITTEDs March 3, 1958
Card 2/2

M
XOMAROT. V.8@; LIVINA, S.A.-, iMWCHII, L.A.
Iffeat of the nature of the medium on the catalytic conversion
of acetone Into diaostone alcohol. Dokl.AM DSSR 4 no. 5 1206-209
iv 16o. (MIRA 13:10)
1. Ustitut obehohey I. neorganichaskoy Wail AN BBSR#
Prodstavleno akadomikon AN 3889 ItY.Termoleako.
(Acetone) (Propanons)

LITINA, 3* A*
Structure, and adsorption and catalytic activity of nickel hydro-
Ads as related to production methods D*LAI BM 4 no-7:291-294
ii 16o. (XIRA 13:8)
1. Institut obshchey i noorganichaskoy khImII AS BSSRo Preds-
tavlono Wcade AN BSSI I*Y. Tervolanko,
(lickel b7dromide)

ILEVINAq S.A.; SHIRINSKAYA, L.P.; ZARETSKIY, M.V.; MMLENYO, N.F.
Structure and adsorption properties of cation-substituted forms of
CaA teolite. Uokl. All ESSR 6 no.3:164-167 Mr '62. MRA 15:3)
1. Institut obEhchey i neorganicheskoy khimii AN B5SR.
(Zeolites) (Ion exchange)

S/230/621006/003/003/004
100111201
AUTHOR: Uvins,", Shirinskaya, L. P., Zaretskiy, M. V. and Yermolenko, N. F.
TITLE: Structure and adsorption properties of CaA-zcolites having cation exchanged forms
PERIODICAL; Akademiya nauk 9claruskay SSR, Doklady, v. 6, no. 3, 1962, 164-167
TEXT: The work was carried to study the properties of native zeoli(cs. Samples of molite CaA 202-291,
from the Gorkiy base or VNIINP were dried for several hours and then ground and sif1cd through a screen
(d - 0.2".1 mm). Portions of 0.3 g of the zeolite were shaken for an hour at 20'C with a solution of the
corresponding nitrate or chloride salts and left for 48 hrs. ne amounts of displaced Ca were determined by
the oxalatc method or complexorrictrically. ne following zcolitcs were prepared by cation cxchange~
Na(Ca). Li(Ca), K(Ca). Zn(Ca), Mg(Ca), Ni(Cs), Sr(Ca). Cd(Ca), Pb(Ca), Ba(Ca), Bi(Ca) NH4(Ca), Co(CO).
Rb(Ca). An X-ray tube GCB4 (BSV4) was used with an iron anticathode to determine the structure or the
samples The roentgenograms were taken by the Dcbye method in a high resolving power camera BPC-3
(VRS-3). #-radiation was not filtered. The adsorption capacity of the samples with respect to water and me-
thyl-alcohol was determined by means of a quartz spring balance, in vacuo.
The authors conclude: (1) No complete exchange occurs under the given conditions. (2) CaA-zcolites as
well as their substituted forms have a simple cubic lattice structure of the type Lindc 4A. (3) Changes in the
Cud 1/2

Structure and...
SrIV1621000100310031OD4
1001/1201
period Of the lattice Are established with the exchanSe or CA for other ions. (4) A partial destruction or
the crystal lattice occurred In some cation-exchangc of zeolites CA A. (5) Adsorption capacity can be increased
by a partial substitution of Oi-ions in zeolites 5A for Li, Mg and Na ions.
The most important :English-lanpage rerciences are - R, M. Barter, Proc. Chem. Soc.. April 1958,99-112.
R. M, Barter, W. M- Meier, Trani, Faraday Soc.. 54, 7, 1958, 1074; R. M. Milton. Pat. U.S.A- 2882244,
14104, 1959, J. 11. Estes, Pat. U.S.A. 2847280, 12/05, 1958. There is I table
ASSOCIATION- Institut obahchey I neorganicheskoy khimii AN BSSR (Institute of General and Inorganic
Chemistry, AS BSSR).
SUBMITTED, December 11. 1961
Card 212
-,J~-777 --- 7-

S/M/62/M/M/006/007
IW111002
AUTHORS: 1,~n S. A. Yernookuko, N. F. and Plyushchevskiy, N. 1.
Tn'LE: Investiption of mechAnical strength and of adsorption activity in granulated native
zeolites of different brands
PERIODICAL: Akademlyz nauk Belaruskay SSR. Doklady, v. 6, no. 5, 1962. 311-312
TEXT: Granulated nolites were heated to 350*C for 6 hrs and tested for crushin& Ths-ir sorptive
saivity was determined afterviards by adsorPtion, or methyt alcohol and water vapors in vacoo, by mmu
of a quara spring balance. 'There is no direct connection between the increase of binding material in the
granulated sainples And their strength. The strength may increase very slightly but the Activity drops down
,considenthly. Preliminary wetting for 6 hro provides granules comparable in strength with granules of
Linde &m. The activity losses are About 2;/, Wetting for 24 his increases the stiength of the granules, but
tosm of acdviq reach 8 0/, Additional wetting increases neither strength nor Activity. Addition of organic or
inorganic maWW did not &how any positive results. There Are 2 figure&
ASSOCIATION, Institut obahchey i neotganicheakoy khimii AN BSSR (Institute of General and lwrpax
Chemlift. AS MR)
SUBMrr=: Dwmbw 28, 1961
C4114 1/1

St250162/006/008/0021002
10-42/1242
AUTHORS: Levina, S. A., Plyushchevskiy, N. I., and Ermolenko. N. F.
TITLE: '~;~Irorlm 'roscopic investigation of the crystallization process of Type 4A zcolite
PERIODICAL: AkademiyansukSSSR.Doklady.v.6,no.8,1962,500-302
TEXT: An aluminosilicate gel was prepared by mixing solutions of sodium aluminate and silicate: it was
aged for one hour at room temperature, then heated at 95-100'C for three hours to attain complete crys-
tallization. The resulting crystalline powder was round by X-ray diffraction to be identical with industrial
Type 4A zeolite. Electron microphotographs were taken of seven samples collected at various stages of the
process. The original jelly-like mass acquired a reticular structure after 10 min and a well-formed net pattern
after one hour at room temperature. Distinct solid crystals appeared after subsequent heating for one hour
and 35 min. There Is one figure.
ASSOCIATION: Institut obshchey I neorganicheskoy khimii AN BSSR (institute or General and Inorganic
Chemistry, AS BSSR)
SUBMITTED: March 2Z 1962
Card 1/1

-WIAj,-5A.;-VMOIEXXOj N.F.j PLYUSIICIIEVSKIY, M.
Study of the mechanical strength and adsorption activity
of gratotlated seolites. of various brands produced in tho
U.S.S.R. Dokl, AN BSSR 6 no,5t3ll-312 MY 162, (MMA 15:6)
1. Inatitut, obahcheZ i neorganicheakoy khimii Ali BSSR.
(Zooliteo)

EWA=
ACCESSION NR: AT4001412 S13029163100010001001510019
AUTHOR: Malashavich, L. N.; Levi m,.._S. A.; Yermolenk~, N. F
TITLE: Ion-exchanga In certain synthetic zeolltes
SOURCE: lonoobmen I sorbtslya Iz rastvorov. Minsk, 1963, 15-19
TOPIC TAGS: molecular sieve, Ion exchange, cation exchange, adsorption,
selective adsorptjon, separation, lithium Ion, potassium Ion, ammonium ion,
silver Ion, cesium Ion, zeolite; natural zeollte, synthetic zeolite, cation ex-
changer, zeblite 13X, zeolite no. 20, zeolite P, cation, bond energy, ionic
radius, Ion exchange equilibrium, distribution coefficient, equilibrium constant
ABSTRACT: The authors compared zeolite 13X and a type P zeollte (see Barrer
et at., J. Chem. Soc. 195, 1959) which they synthesized (No. 20) with respect to
the selective adsorption of the nonovalent cationj L14, X46, NHe , Ae and Cst.
Equilibrium exchange was carried out by the statle method without estimating the
Ionic strength of-the solutions. K and Na wore determined photometrically; Ag
by Volhard's method. The results are shown in-~ -1'9s. I and 2 of the Enclosure.
As Indicated by the distribution curves, the selective'adsorption of the cations
decreased In the order A9>0N%>Cs>Li for zeol I to 13X and the order Ag>l(>Li for
Zeolito No. 20, the selectivity coefficient of the Ag Ion being 49 In each case.
Card 1/3

ACCESSION NR: AT4o01412
The marked difference between the selectivity coefficients of K and Ll on zeollte
Ne. 20 (3.54 and 0.03, respectively) may make this resin useful In the separation
of these two alkali metals. Orig. art. has: 2 figures and I table.
ASSOCIATION! none
SUBMITTED: 00 DATE ACQ: 2INov63 ENCL: 01
SUB CODE: 'MA, CH NO REF SOV: 004 OTHER: 009
Cord 2/3

ACCESSION NRs AT4001412
41
Fig. 1. Cation dis tr1butlon
curves on zeollte 13x:
I - K-, 2 - Ag+, 3 - Ll+o
4 NH4* 5 Cs+-
Card 313
Frg. 2. Cation distribution .
curves on zeollte No. 20:
K+. Z Ag+. 3 Ll+
x
ENCLOSURE: 01

ACCESSION NR: AT4001415 S/1029/63/000/009/0052/0057
AUTHOR: Levina,.S. A.; Plyus hchevskly, N. 1. Yerm,olenko, N.
TITLE: Effect of ultrasonic waves on crystallization of zeolltes
SOURCE: ~Qnoobmen I sorb6lya lz rastvorov. Minsk, 1963, 52-ST
-TOPIC TAGS: - zeolite, molecular slave, synthetic zeolito, zeolitd 4A. -preparation,
crystallization" hydrothermal crystallization, gel, alumino silica gel, sodium aluminates,
sodium silicates, crystal formation, network structure, ultrasonic treatment, gel aging,
heat treatment, crystallization rate, adsorption activity, ultrasonic 'waves
ABSTRACT: A sLdy was made of the effect of ultrasonic Irradiation (18 kilocycles/sec
for 3 min.) on the crystallization of zeolite 4A. The crystallization process was followed
by examining specimens under the electron microsbope. Crystallization was not -accelerated
if ultrasonic treatment was carried out Immediately after the alumino-silicate gel had been
prepared. Prolonging the time of treatment to 30 min. also had no effect on'the crystalliza-
tion rate. However, -when samples were treated for 30 min. aftei 1 hr. of aging at room
temperature and then heated for 1 hr. and 30 min. at 86-100C, crystallization was complete
in 3 hra. as compared with 6 hrs. for the control. Thus, ultrasonic treatment is effective
in accelerating the crystallization rate only if cross-linked lattices are present in the gel.
Card f/2

ACCESSION NR- AT4001415
IA this case, 41trasonto treatment accelerates packfng In crops-linked..Iattices and the
appearance of nucleation centers for crystallization. Ile adsorptive activity of treated
crystals was the same as that of untreated crystals., Orig. art. has; 2 figures and
I table.
ASSOCIATION: none
SUBMITTED: 0(y DATE ACQ: 21Noy63 ENCL: 00
SUB CODE: CH NO REF SOV: 005 OTHER: 000
Card 2/2

LEVINA, S.A.; MALASHEVICH, L.N.; YERHOLENKO; N.F,
Adsorption of dyes by synthetic seolites. Koll.zhur. 25 no-51
567-571 S-0 '163. (MIRA, 16%10)
1. Inatitut obahohey i noorgaidcheakoy khimii AN BSSRf Minsk.

I irl-10 , IT I. P. ; IJ--,V 14'- 1 A, j A.; 1 ~ a. fk,-Ji: V It; ii , L. li .
Cation exchanie of bivalant mtals on a synaetic 13X-type
zoolitou. DAL AW W!;A 7 no.U:71,6-759 N 163. ('MhA 17.9)
1. Irwtitut obali-.hey i noort;anichoskoy WA.-di All 1,05ii.

LF.VMAv S.A.; MOWZKO, N.F.; IIALASIOVICII, L.N.; EXI.K.CrOVION, A.A.
IM--
Some substituted forma of the NaX zoolite. Dokl. AN BSSR 8 no.7-.
452-454 164- OMA 17: 10)
1. Inatitut obshchey i neorganichockoy khimii All DSSR.

26182
5/081/61/000/012/005/028
M-D B105/B202
AUTHORSs Levine. S. A., Yermolenko R. F., Sidorovich M. A.
TITLEs Effect of the composition and the conditions of formation on
the structure and the catalytic properties of the mixed gels
of irononickel, and cobalt hydroxides
PnIODICALt Referativnyy zhurnal. Xhimiya, no. 12, 1961, 81, abstract
126N9 (Sb. nauchn. rabot. In-t obahch.i neorgan. khimii AS
BSSR, ig6o, vy-p. 1, 140-146)
TEXTs The structure and the catalytic activity of the mixed gels Fe 203
and Ni(OH)2 as well as of the pure and mixed go's CO(OH)2 and re(OH)2
were studied. It was demonstrated that the mixed hydrates of iron and
nickelic oxides are finely porous. By an admixture of 6.5% Ni to FQ(OH)3
the catalytically most active sample was obtained whose activity was
2.4 times greater than that of F9(OH) V Pure Co(OH), samples are coares-
pored with a low specific surface and low catalytic activity. The order
Card 1/2

Effect of the composition and the ...
26182
S/08 61/000/012/005/028
B105XB202
and rate of precipitation does not essentially influence the structure of
the Cc (0H)2 samples investigated. The admixture of 0.94% Co (OH)2 to
Fe(OH) 3 increases the activity of the sample as compared to that of pure
Pe(OH) 3 1.8 times. [Abstracter's notes Complete translation.]
Card 2/2

RUDENKO, L.A.,-!MMj--S--B-
Effect of the place of cultivation on the carbohydrate conunt
of graminsous plant seeds in germination. Sbor. bot. rab. Bel.
otd. VBO no.207-102 160. (MIRA 3-5:1)
(Carbohydrate metabolism) (Gemination)
(Gramineae)
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LXVINA. S. D.
YDD PA 16;~TJ-6---
VOO/ftemistry - Blectrolysts.. Iquipment, - Aug 50
oportable'Rydrogen Electrode,- S. D. Levinas Inst
of Phys Chen, Acad Sci USM
Izsy94 Lebo vol m, so 8,p p loA
Describes R half-element vhicb does not chup its
Potential for 6 months and may be used an portable
electrode, ror normal 9 electrode 231-sulfuric
*cid is us" as solution. rf "ntial becomes
instable and it cannot be reinstated by changing
bolution MA by passing of fresh R, metal nienber
of electrode must be platinized &pin.
16W16

D.
Um/dhamistry Art" n2m Apr 59
"Oxide Film on Sigh Ancy Steels," B. D. Levina,
R. Kh. Burshtsyn,, Inst of Phys Chmj Moscov, Aced
Sci U98B
"Zhur Fit Mis" Vol XXVI, No 4,, PP 555-559
Blizinated. ozids film from Cr-Ni steel by re-
ductIon v1th bldrogen. getabliabed that actsorption
of oxy at room tmp on the saxple in question
Was Mums lover than on pme irm. Increase
of adsorption of cxypn an steel vith Increased
emmiderably less pronounced than on pun
tAMP :L8
Iron.
217M

seen wm~
Owl.
brW
.-a
00 a im
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ff
% ussR/mysical. chemistry Elcetrochemistry. B-12
Abe Jour : Referat Zhur - Khimiya, No 6, 25 March 1957, 1871-2
Author :
Title : On the Action of Added Inhibitors When Iron is Being
Dissolved in Alkaline Solutions.
Orig Pub : Zh. protl# khimii, 1956, No 9, 1353-1356
Abstract : Inhibitive action Of S102) N32HP04 and tatuan (1) on dis-
solution of F* In 5 n. KOH was studied. Electrodes were
obtained by pressing Fe-powder, containing not more than
0,,2.0,3% of admixtures, into a sheath made of perforated
ribbon, under pressure of 400 atn. The values of electro-
chemical capacitance of electrodes were compared. They
were reduced in a pure solution of KOH and in solutions
of KOH with admixtures left in the same solutions for
tvo-three weeks at 200 or for 2-3 days at 400. I't was es-
tablished that the most favorable concentrations of adnix-
tures which allow to reach paceivation of the electrode
Card 1/2 318
USSR/Physical Chemistry Electrochemistry. B-12
Abs JOur Referat Zhur - Khimiyat No 6, 25 March 1957, 18712
and preservation of its electrochemical activity are
0-3-0-1ajo for B102 and Na2HP04 and 1-90/0 for tannin.
When the concentrations of these admixtures are higher
the dissolution of Fe is decreases greatly but, aimulta-
neously, the electrochemical activity of electrodes be-
comes sharply lover. Overpotential 111) of hydrogen in-
creases in the presence of Sio (10J4 Na2M4 (10/0) and
tannin (3-507o) by 15, 30 and ~O mv, respectively.
Admixture of N Of tannin lowers (~ ) by 12 my. Slowing
down of the rate of dissolution of iron observed in the
case of Na2HP04 and tannin can be explained by the in.
creasing of hydrogen overpotential. The author comes to
conclusion that paseivating action is due to substances
which are able to give stable surface compounds with Fe
oxides.
Card 2/2 319 -

ININA...B.AJL; ULM, T.To
Action or stoole hydrogen on polarlsod electrodes In electolyte
solutions. Dokl, AN SSSR 109 no.51971-974 Ag. 1956.
(KLRA 9:10)
1, Fredstavleno, nkadealkan A91, Frunktrqu.
O(vdrogeik) (zleatrolysis)
AVIUM UMM $ D MMOVPJL 32-6-34/54
TITM Lai for Wo*ing with Liquids and a Vaow= (Staklyazmy7
kran &X* nbot a shiftostlyn i vaku=mt Russian)
FJRIODICAL: Zavvdakaya laboratorlys., 1957, Vol 23, Nr 6# rp 744-745
ASMOTS Olass cooks we" produced for laboratory use by meam of which
damage ow=ed by lubricating oils or by siposure to air is excluded,
The Srowd parts of the cook are connected with the stopper by
of an axis. The ground parts are lubricated. If the cook separates
t"O parts of an apparatus SA the apparatus omtains a liquid, the
cook in lubricated by the liquid. A side tube leads to the Tawxa.
In the case of poisonous oil vapors only the second cook is usedo
in Aich case the lubricant does not penetrate into the interior of
the apparatus because the ground parts are on the outside of the
apparatus.
A3300MIONt Institute for Physical Chemistry of the Ao&dwW of 3oienoe of the
U*S*B*Ro
BM
NUMM
AVAILMM Library of Congress
Oard 1/1

LVM S.D I LIVOVAj T.N.
Origin of carbonate rocks In Caradoc sediments of the Selety-
Stepnyak region in northern Kazakhstan. Blulo HOIP. Otd.
geol. 34 no.501-93 " 159~ (MMA WO
(Kazakhatan-Rocks, Carbonate)
.1

679h3
-15 76 00
~Wr-~ B/020/60/130/03/025/065
AUTHORSt htZilia.-S, D., Kalifth, T__X_ BG04/BO11
TITLE9 The Influence of Hadiolyein on the Potontial of tho~ Tackel,
Electrnd4dtin an AD-Oine Solution in Dependence on the Com-
ponition of the G%L; 11hare
PERIODICAM Doklndy AYRdOLtil natil, SSSIC, 1960, Vol 130, V.- PP 573-576

ABSTRACTs The nuthorc found in reference 1 that the potential arisinG on
the notion of atonic hydroCon under atmospheric pressure on a
nickel electrode in an alkaline solution in by 45 - 60 mr more
negative than is the potential of the reversible hydrogen elec-
trode. In the present paper they investigated the behavior of
the lqi-electrode under the simultaneous action of atomic
hydrogenj atomic oxygen and OH radicals produced by radiolysis.
The apparatus which i..ade it possible to carry out the experi-
ments in vacuum or at a certain gan pressure is illustrated
In figure 1. The nickel electrodes were reduced at 4000 in
hydroGen atmosphere and were stored in H until the time of the
experiment. 0.66 11 NaOH --erved an alkaline colution. Radiolysis
Card 1/3 took place by monn,; of an X-ray tube which -upplied ;.n enorg ;~~

67943
The Influence of Radiolysis on the Potential of S/020/60/130/'03/025/065
the Nickel Electrode in an Alkaline Solution in B004/BO11
Dependence on the Composition of the Gas Phase
Of 6.U.10 16 ov/voc per cm3 of solution. Figure 2 shows the
change with time of the electrode potential in the ease of re-
poated connecting and diaconnecting the radintion. The initial
potential is by about 250 mv more positive thnn that of the
revernible H-electrode, under the action of rrLdiation it first
shifts by about 200 mv in a no,-ative direction, arid slowly
turns more positive after n few minutoc. When radiation in dis-
connected, a -hift occurs in the neeative direction. This
procedure c-,-.n be repeated by connectinC and disconnecting the
radiation, until the electrode is coated with a thick oxide
layer. The potential shifts observed are explained by initial
adsorption of H and the subsequent action of the oxidizing
substances forming In the solution, whose concentration in-
creanea with -the duration of the irradiation. The reaction
course In the solution, the formntion nnd the decomposition of
H202are qtlll to be investigated. The curves drawn in the
Card 2/3 presence of neon (6 - 10 torr) a[:ree with th,2 curvan draun in
IV

I" r lice of Radiolyvi'.: (-
tt.~- 1"ickel Mcu'roele in Iu-! All.-
I
Do-c,nilonce on the Compmoitir~-~i
67943
Olu Potential of S/f020J60/130/ 103Y 025/065
Ijno I-olittion in 13004/B01 I
of the G~~n Phase
the ib.-unce of Firii-n, ) --hown the, Wrvior of tile nickel
,11 4- fj
eloctrode in the nr Ga.-:eom: hydro,--cn ( 0 torr, " torr)
and H + 'Vo (1 + C torr). III this C"to-L" mnl'.' 1*11"I't cl"V.111'e~o Of
potentJjil occiir wit'i connuetinL; and di-connectine of the
r~~diationj tl;ic potential alLinct coinaider, %ith tliu one of re-
vu,,-ible 11-olectrode in the c.,.-.L, of 11 + 1:e. Thr- _,till present
low potential fluctuations n re explz.,inee 1-,/ tl.ei"al effects and
redox processes. The cuthoru iiention To. 7, Zalkind and
V. I! Vocclovrkiy (Refs 3,4), and 11. A. Shu x-:.;ov okay a and R. Kh.
Burshteyn (Ref 5). ThLq th:,.nk Acadomician A. F. Frunkin and
P. I. Dolin for diectu:oinL: thio experimental data. There are
3 fieures and 6 referencen, 5 of which tire Soviet,
ASSOCIATIORt Inntitut eloktrokhinil Akademii nauk SSSR (Institute of
r1nr-trnnhnmintrX of thg Academy of Sciences# USSR)
PRESENTEN October 7, 1959 by A, N. Frurikin, AcaderAcian
SUBMITTEDi beptomber 28p 1959
Card 3/3

S/020/60/132/05/46/069
7 Ve B004/BO11
.LUTRORSt Levina, 5. D., Lobanova, K. P., Plate, N. A.
TITLE& Electric Properties of Systems Consisting of P217-me-raland
metals
PERIODICALi Doklady Akademii -nauk 83SR, ig6o, vol. 132, No. 5,
PP. 1140-1143
TEM The authors proceed from papers by A. T. Vartanlyan (Refs. 1, 2),
A V Topchiyev, M. A. Geyderikh, B. E. Davydov, V. A. Kargin, at al,
(isf: 5) who had dealt with the Influence of the introduction of metal
atoms in polymers on their physical properties. The authors wanted to
study the electric properties of compositions in which the metal particles
are surrounded by a nonoonduotive polymeric layer. The problem was to be
solved whether electron transitions are possible under such conditions.
The authors used highly diapers* iron powder which was obtained from iron
oxide by reduction by means of hydrogen at 450-5000C, and passivated by
dipping into benzene. Plates were pressed from iron powder and poly-
isoprene (natural rubber) for the first experiments. The dependence of
e
Card 1/5

Electric Proportion of Systems Consisting 3/020V60/132/05/46/069
of Polymers and Metals B004/ "011
log 6 (6 . electrical conductivity) on 1/T of a sample with 20% of rubber
was linear between + OOC and -400C, &a is typical of semiconductors. The
thermo-omf (5 uy/deg~ and the Hall constant had the same sign as p-type
semiconductors. Similar results were obtained with iron and polystyrene.
In order to obtain a more uniform distribution of the polymer, the iron
was subjected to a vibrational grinding process in monomeric medium
according to the method devised by V. A. Kargin and N. A. Ilate. The
monomers used were isopronepi at rene methyl methacrylat a and aerylo.
nitrilel. Polymerizat-l-onocourre n consequence of vibrational grinding.
Theresults Table 1, Fig. 1) show that in this case the thermo-emf and
the Hill constant had the sign of the n-type semiconductors. It is
conoluded therefrom that in vibrational grinding, beside the more uniform
distribution., there occurs also another type of bond between metal and
organic substance. The authors m:ntion apers by R. Kh. Burshteyn, M. 1.
Pavlova, and S. L. Kiporman (Ref . 6 , 75, N. A. Shurmovskaya and R. Kh.
Bursht*yn (Ref. 8), and thank A. W. Frumkin, Academician, V. A. Kargin,
Academician, and R. Kh. Burshte, ofescor, for their assistance and
,~n, Pr
-977igure, I t lei and 9 referencest 7 Soviet and
advice. There are 1
2 British.
Card 2/3

Elootric Proportion of Systems Consisting 31020J6011321051461069
of Polymers and Metals B004/3011
ABSOCIATIONa Institut elektrokhimii Akademii nauk SSSR (Institute of
Electroohemistry of the Aoadomy of Sciences, USSR
PRESENTEDo Yebruary 24s 1960p by A. N. Frumkin, Academioian
SUBMITTEDi
Pebruary 24, 1960
Card 3/3

)tji,15
3/020161/141/003/013/021
1111101/Bi 17
KUT HORS levinal a. D.# Lobanova, K. P., and Vann1kov, A. V.
TITLE: Effect of thermal action t. %-,stems consisting of polymers
an& disperse metals
PERIODICAL: kkademiya nauk 333R. Dok1r%Ay, v. 141, no. 3, 1961, 662-664
TEXT: In a previous paper (DAN, J2, iiw (iq6o)) it was shown that sys-
tems of organic polymers and highly disp-~-rap metals have semiconductor
proportion. These systems are characterizA by low electric resistance,
p-typs and n-type semiconductors were pr4,-ared by changing the method of
production. (The type of semiconductor waa determined on the basis of
the thermo-emf.) The system Fe - polyiscprene yielded p-type semiconductor
when precipitating the finished polymer from benzene solution. If
polymerization was conducted by vibratirin i;rinding, n-type semiconductors
were produced. The present study deals with the systems Fe - polyiso-
butylene (1) and Fe - polyethylene (II). (T) was introduced from 1%
toluene solution into the system. Samplle7, with 10, 20p and 3CF/'* (1) were
_3,ance was 1.1-0-2 ohm-cm, with
prepared. With 10~ (I), the specific
Card 1/3

,*30725
8//020/61/141/003/013/021
Effect of thermal action '1101/BI17
20%, 1-10-' ohm-cm. The sign of currert ab,-riers corresponded to that of
p-typs semiconductors. The temperatuvi- lo,-.e?ndence of the specific
resistance was like that in metals. V,~-r-,forf), it is assumed that metal
particle* were in contact during moldi._
With 5C~; (1), the resistance
was > 1-104 ohms. If this system was in vacuo at 1130-200OCp it
acquired new properties. At room the specific resistance
dropped to 2-4 ohm-cm. Electrical cond~i-% ~iity dropped with decreasing
temperature# and the function log a - ',"'!Tr hehaved as in impurity
semiconductors. The curve for this fu:--. ~.^nsisted of two sections
with different values of the activatior &E. between 0 and 1800C,
AE a 0.07 ev, between 0 and -500C, 4E ~ -~.66 ev. Thi 11 system was an
n-type semiconductor. Electrical condu-*.--;-'y of pure M changes betwem
30 and 1600C linearly, and returns to Qi-- in*.tial value during cooling.
Thus, the behavior of the system Fe - (Ir -.j r-.:'U, due to a change of M
because of thermal treatment. It is that n-type semiconductors
obtained by vibration grinding of Fe + pf"y1soprene were formed by heat
during grinding. The system Fe - (11) 7*,-ained by precipitation of (II)
from o-xylene solution at 1400C was ala,) ---iatad in vacuo at 250PC for a
considerable,time. Resistance was 1.1 ftt, room temperature. The
Card 2/3

3025
3/02o 61 141/003/013/021
Effect of thermal action ... B101 B11
YB ~
samples showed no semiconductor properti-i. Only after grinding and
molding the samples once more and heati%ir 'hen, in vacuo for a longer
period, a behavior was observed similar -o that of the system Fe - (I).
The easier structural change of (1) during heating is explained by the
tertiary C atom6 A paper by V. A. Kargin, IT. A. Plate (Vyaokomolek.
soyed.,g .1, 330 (1959)) is mentioned. Thero are 2 figures and 9 referen-
ces, Soviet and 3 non-Soviet. The three most recent references to
English-language publications read as follows: D. D. Eley, Res. in Appl.
Ind 293 (1959)1 A. Epstein, B. S. Wildi, J. Chem. Phys., ~2p 324
(19g8)'#%'emioonductoreo Ed. X. Be Hannay, Am. Chem. Soc., Monogre, No Y.J.
1959-
ASSOCIATIOR: Institut elektrokhimii Akademil nauk SSSR (Institute of
Electrochemistry of the Academy of Sciences USSR)
PRESENTED: July 11, 1961, by A. N. Frjmkin, Academician
SUBMITTED: July 8, 1961
Card 3/3

LEVINA, S.D.; KALTSH, T.V.
Effect of atomic hydrogen on the potOntial or n1okel and mf'rwry
electrodes In electrolyte solutions, Zhur. fla. khtm. 36 no.9t
1926-1931 S 162, (MIRA 17t6)
1. Institut slaktrokhtmit AN SSSR.

LTVIUj S.D.1 LOUNOVAI X.P*; BERLIN9 A,A,j SHF=v A,L
Electrio properties of the systems corwisting of tetracyanoethylene
&M metal poWers. D*kl.AN SSSR 145 no.3t602-604 J:L 162.
(MIU 15
L, Imetitut slaktroirhi-44 AN SSSR. Predstavleno Wtademikom
A*MjFrumkir4Vm*
(Ithylene) Obtals)

LVINA,
F-matton and paler%peographic control of the d'!itrimitirn of
Ordovician 1-1c.3rhorites In northern Kaza~hrtan. Min. By- 1e
,no*10;8--32 164. (M I P-4 1813)

LEW lilt, 5,11),
lbosphorite potential of Middle paloozoic red beds in the Northern
L,aucaguS. Min* Syr1e no.io:69-85 164.
(MIRA 1813)

LMNA) S.I.; SMGEYEIA, Tu.V,
Pathogenesis of primary hypertension of the lesser circulation.
Kardiologiia 4 no,6:75-78 N-D 164, (MIRA IM)
1. Gospitaltnaya torapovtichaskaya klinika (zav. - doktor md.nauk
P.N.Turenev) pod'-Ltricheakogo fakullteta II Hoakovskogo meditsinskogo
instftuta imeni N,I,Pirogova i Gorodskays, klinichatikaya bollnitea
Nr. 64 (glavnyy vrach G.V.Rodygina).

mim
FRUMKIN, A.N.1 SlIUM11A)VA, N.As; KAUNCV, B.N.; LLVINA, S.C.
Revokka Khalmoyna Burshteln; on her sixtieth birthday, Zhur.
fis. khim. 38 no.5il390-1391 My 164. (MIRA 18t12)

OM
SHWELEVA, T.A.; GRIGORIYEVA, N.V.; FAVLOV, S.A.; LEVINA, V.I.
Use of polyacrylntes for the strengthening of the skin of'
sheep pelts, Kozh.-obuv. prom. 7 no.903-35 5 165.
(MIRA 18t9)

IZVINAj Yeelo
Method of luminescent antibodies for atudying the antigenic
structure of bacteria. Izv. AN SSSR. Sor. biol. no.6:909-912
" 165. (HIRA 18:11)
1. Institut epideniologii i m1krobiologii im. X.F. CamAlei
AM SWRe
Hj,-

~j~ P, 71 t
zt.
r n , , , T ~ ~ ., - 'm 1 1 1 1 i-A i'~ W
Ff k, i I I r-k~ I I 1 ;2 11 j ?-N
r. p lr~vin -a, S . D. Rotenberg, Z. A..; [/-,I) P A-s~ a khrv a, T

. " " , i 1 1 4 lo,

~_ACC NR, AP6035591 R7636W/66/O02/Oli/l343/l345____
SOURCE CODE: 0
1 AUTHOR: Levin&, S. D.; Astakhov, 1. 1,; Lobanova, K. P.; Rotenberg, Z. A.
ORO: Institute of Electrochemistry, Academy of Sciancas,,SSSR,I*scow (Institut
elektrokhimii Akademil nauk SSSH)
TITIZ: Crystalline Atructure of phthalocyanine and the conductivity of systems
which consist of metal coated with phthalocyanine film
BOURCE:ElektrokhWya, v, 2, no. 11, 1966, 1343-1345
TCPIC TAGS: phthalocyaninal crystal structure analysis, cobalV, semiconducting
rilml nickel
ABSPA"MCT: 17be author report that the electrophysical properties of metal powders
or polished metals coated with thin phthalocyanine films are being studied at
their laboratory, 7he film are obtained by treating metals with phthalonitrile
vap6rs at temperatures from 250 to 400c. The systems obtained have differing
crystalline structure (a and 0 modifications) and varying semiconducting properties.
The purpose of the present study was to investigate the structO of the films and
to coordinate the data obtained with the-conductivity. Cobalt and nickel were
selected an substratum metals. The results obtained indicate that %bere is no
Card 1/2 uDc: 621.315-592:547-

ACC NKs iiC65591,
unequivocal relationship betwen the crystalline modification of both nonmetallic...
phtha.locyanine form and notal derivatives and the conductivity. P'urther
investigatibns are be'ing oondu6ted to elucidate the role of other factors necessary
"besides the " of,crystallinity for obtaining either p- or n-" conductivity
of Phthalocyanine, films#
SUB COIZ:P7 w w.- oo6/ on =F: oo6'.'
~I/stmw Imss oeApr661

Jl-

q7
'id

MAKEDONSHY, Kikolay Vaell'yevichl IZVZA, S.G., red.
[Laboratory work in +he course "Metallurgy of founding"
section "Alloys"] Laboratornyi praktikum po kursu "Metal-
lurgiia 3-iteinogo proizvodstva, razdel "Splavy." Minsk,
Vy9sbaim; shkolap 1964# 198 p. (MIRA 18:3)

BELOSKIY, Yevgraf losifovich; LEVINA, S.G... red.
(New materials in engineering; lecture course for
engineers and techniclans-of the motor-vehicle and
tractor Irdustries] Novye materialy v tekhnike; kurs
lektaii dlin inzhenerno-tekbnicheokikh rabotnikov
avtotraktorostroeniia. Minsk, Vysshaia shkola, :1964.
107 p. (MIRA 18:1)

KuRDYUKOV., legor Grigorlyevich j LEVINA, S.G.,, rod.
[Cabinet &M carpentry work] Stollamc-plotnichnys ra-
boty. Minskp Vysshata shkolat 1965. 346 P.
(KIRA 1M)

LYUBOSHITS, Molaey Illichl ITSKOVICH, Georgiy Mikhaylovich;
TATUR, G.K., daktor takhn.nauko retsenzent; BARANOVSKIY,
.0
.N.V., kand, tekhn. rAukp nauchn, red.; LEVINA,_S.G.p red.
(14anual on the otrength of materials) Spravochnik po
soprotlvlenilu materialov, Mlnskj Vysahaia shkolal 1965-,
343 p, (MIRA 18:5)

G"LiTSKY1
Vascular orIgIn of trophle uleRra and appLinatIon of ultru-
sound as preoperative treatment to plastic surKery. Acts
chIr. plast. (Praha) 6 no.4:271-278 164.
1. Surgl-cal P--wpltal (Wrector- Prof. A.V. Gulyayev), Faediatric
Ffloulty.0 Scc,~nd Moscov Plrogov Mradica.1 InWtutc- sund Department
of Patholofy (Director: S.'I. L,-~vlna) of the UIV Mwi!c! al Giltl!Cal
Honp!tAl (ChAlef physicant G.V. Rc44,ygh4n&), Mosc-ri
Mab
P -

A 'ROL. O.N~-. LVINA, S.I.
Results of infant feeding with raw skimmed breast mM. Vopr.pediat,
19 nooli26-29 1951* (CM 20t7)
1e Leningrad*

TASAXffA, O.Iti kaWidat a6ditsinskikh nauk; IDYINA, B.I.
MOMMOW
Method of determlaing prothrombin time during &ntico.-q-5,-,'--t
therapy. lalo.delo no.4:19-20 Jr-Ag 155. (HLRA 8:8)
1, In Wmlltetekor t rapertichaskoy klinikl (dir.profe
B,P, Weshevokly) By:rdlovskogo ned1tsinskogo Inatitutao
(ANTIODAMUNIS, therapeutic usel
prothrombin time deters. in control)
(PROTHROMBIN TIME. determination,
In anticoagulant thev.)
A

1JYIVA,
Abnormal development of the bile ducts simulating in its clinical
aspects gastric and duodenal ulcers. 6ov.meds 21 Supplament:20
'57- (MIRA 11:2)
1. Is patologoonstoutchookogo otdolonlys Moskovokctr klinichaskoy
bollnits Imeni A.A.Ootroumovs.
TBIM DUCTS-ABUCUITM AMD WMITIMS)

TESIPOVAI I.K., prof.1 IMMA, S.I., mladshiy nauchnyy notrudnik
Pri=7 lqpertension of the lesser circulation in children,
Vop. okh. mat. i det. 7 no.2:44-49 F 62. (KMA 15:3)
1. Is otdola Apperimentallnoy patologii i biologii (zav. -
prof IOK. Teelpova) Instituta eksperimntallnoy biologii i
medi;ainy (dir. prof. Ye.N. Meshalkin) Sibirskogo otdoleniya
AN SSSR,
(HYPEMNSION)
(PUMONARY CIRCULATIO14)

LVINA, S. I. (Novosibirsk)
Qlag" &Mgtogoess of the lung in some congenital heart defoota.
Arkb. Pat. no.8118-24 161. (MIn 1514)
1. Is otdola sksperimentallnoy biologii I patologii (rukovoditell
prof. 1. X. Yesipovs) Institute sk"rimentallnoy biologil, i
meditsbW (dlr. - prof. Ye. N. Meshalkin) Sibirskogo otdoloniya
AN SSSR.
(HUM-4WORMITIES AND DVOWITIES)
(LUNGS-BWM SUPFU)

m
K)LOTAM, Ye.'-., kand. mod. nauk; 1EVINA, S-1.
Isolated allergic myocard-itia. Soy. med. 27 no.1:50-54 J& 164.
(MM M12)
1. Kafedra, goopitallnoy terapil fzav.- doktor sod. nauk P.N.
Yurenev) pe-diatricheskogo fakr"tata N Moskovskogo meditainakogo
InatItuta Iment N.I. Pirogova i Gorodskoy klinicheakoy bollnitsy
No.64 (glavnyy vrach G.V. Rodygina).

Lsj*VTNA r
anA-~
Changan in the pulmonary vessels in some congenital heart defects.
VOP. Pat. i reg. arg. krov. i dykh. no.100-110 161 (MIRA ISt7)

LEVINA, S.I. (Y1oskva,V-l62,Sirotskiy per.,d.l6,korp.2,kvjS5)
Pathological anatomy of Risenzengerls syndrome. Grud. khir. 2
no. 5,58-4 s-o t6o. (WRA 160)
1. Is instituta skMrimentallnoy biologii i meditainy (dir. -
prof# lovNeMeshalkinp nauchnyy rukovoUtel - prof. I.K.Yesipava)
Sibirskogo otdoleniya AN SSM.
(CIRDIOVIMULAR SYS7ZN.-ABNMMTIFS AND EMRHITIES)

SOLOWINA.. 0.0s, dotgent; LTAPUNOVA, A.P., LEVINA, S.I.; ROGAN, N.M.
Differential approach to the diagnosis of mitral stenosis in
children, Soy.med, 26 no.1s85-90 J& 163. (KIRA 16W
1. Is revastologicheskoy kliniki (rukoyoditall - prof. R.L.
GauUwg) kafedry pediatrii (sav.,- daystvitellnyy chlen
AMX7BSSR prof. G.N.Speranskiy) ISentrallnogo Instituta-.
usovershenstvavaniyu vrachey n& base detskoy kIrnicheakoy
bDllnitsy No* 9 (glavW vrach A.H.Kudryashova).
(CHIIaM-4159ASES) (MITRAL VALVE-ZISEASES)

t- ~A. -
1. ChUdren durLiC Lae War Years and in the ?ost-aar erlod and Its i elation
to S=Iet ~ir;er." ?odiatrlya, No. 4, 1,45.
,Ibr.. Oialr Pediatrics. (~mtral Inst. Advanced Trnining ror Physicians. -c1,148-.
libr., Children's .1low. Lm. DzerzldnaU~r, -c1)48-.

U"M# 8*M~; TAMUDVMYAI A*Mo
Use Of sYmpathoulimetIn In rheumatism in children. Pediatrlla,, Moskva
&A62 juiy6ing 51. (CUL 21:4)
1* Of theDepartsient of Pediatrics, Central Institute for the Adv&nc"
Training of Physicians, attached to the Children's Hospital, Imni
DzershInskly.

SOLOMAT1NAt O&G.t k-nd*med.nauk; YJAYSHEVICH, G.I., kandmed.nlmiz ; LEVINA,
S#H#; IVAWAt A*A*
Clinical ampeots of rhomatic fever in children, fty.med. 24 no.3.1t
~64 N" 160. (KEU 1413)
1. Is r&mtologicheakoy klinild keLfedry pediatrii (sav. - 49yatvitellMy
oblen AM SSSR prof. G.N.Sper&nxkiy,,.ftuchnyy rukavoditell klin4ki -
4bktor moditainakikh nauk R.L.G=burg) TSentrallnogo instituta
umovershenstycYanlys vraohey na bass '14-4 0 a detakoy bol'61tay Imeni
Dzershin k go (glavnyy vrach A.N.MWrpwhmm).
(RHEMIATIC FEW

BOGOMILISKIY, A. D., kand, mad. nauk; LEVINA, S. M.
Nonanginal chronic tonsillitis In children. Vast. otorin* no.3:63--69
161. (MIRA 14:12)
1, Is OtorinoUringologichookogo otdaleniya (Zav. - sasluzbennyy
vmch RSFSR dotsent F. P. Malomuzh) detzkoy, bollnitay imeni F. E.
Dsorsbineskogo, Moskva.
(TONS IIS.-DISEASES)

UYAGOMEVAt S.G.0 profal BAXWOVAO V.F.,, kand.med.nauk; GRCMOVA, R.V.;
1ZVINAj S.M.1 SEWAYEVA, I.P.
Subemdocardial fibroalaatoain in children. Pediatrila 41 no.508-
" Hy 162. (MIRA 15:5)
lo Is kafedrypediatrii (say. - doystvitellnyy chlen AMN SSSR
prof. G.N. Speranakiy) Tgentralinogo inatituta usovershmstvo-
vaniya vrachey (rektor M.D. Kovrigina) i Detakoy bollnitay Fo*9
imeti F.E. Dzerzhinako 0 (gUvnyy vrach A.N. KtOryasheva).
&ART-DISMEWS),

hUTHOR LEVIXA~ S.11. 20-1-4/64
TITLE un r-SBTUTTon of the Oscillation Equation on the Total '.L.&&e &xis

' (0 reshenii urayneniya kolebaniya na Vasy osi vremen - Russian)
~MODICAL Doklady Akademit Hauk SSSR,1951,vol 114,Nr 1,pp 18-2o (U.S.S.R.)
ABSTRACT The author attempts In the paper under review to find the solution of
of
the equation utt - Au - cu a 0 under the boundary condition UL
O
and under the presupposition of x~~O. The other three-dimensional
coordinates and the time variable t vary., from Poto +ov, in accordan-
ae with a class of functicna that to described in detail in the pa.
per under reviewv It there are more than one dimension, then an attempt
to solve this problem with the aid of the classical method will encoun-
ter serious difficulties, because the obaracteristic-sarface.of the
oquatioa (which intersects with a provisionally given oriented sur-
face) forms an unlimited domain. In the case of one dimension only,
it is possible to obtain the solution of the above problem from the
solution of Cauchy's problem for the equation a+
,t - u%XwO under the
0 F(t). _0104-4.
Initial conditions uI
d. f(t), u
L
x
x.
O
The solution of this problem has the following form:
t~x
u(t,x) f(t+x)+f(t-x) .1 F(i)di.
Card 1/2 2 2 j
t ~.x

On a Solution of the Oscillation Equation on the Total 20-.',- 4/64
T4Me AXIg.
f and F being arbitrary, this equation - In general - is of no physi-
3iGal significance, becauni the values of the function u In the moment
t d6pend on the values of the initial functions f and F In moments la-
ter than t. The postulate as to the absence of physical discrepancies
Is sufficiently 94tinfied If F(t)-V(t), -ooet/Q10-0.,Thus the unambigu-
ousity of the solution of the problem for the equation u tt-u xxM 0,

];>O, -At 0 and
) f M I < C2eM-i +a)t for t -C cp c4 > 0. Analogue to this one-
dimensional problem is the plans problem for the at'uation u -u
-CU a 0. q tt yx-uyy-
LAbstracterls notes Complete translation.]
Card 2/2
T
q-
V
.14
OR-

S/520/59/000/022/009/021
~bo (h47jn-Trjn6O) E073/E535
AUTHOR: Levina
TITLES Physical Nature of the Ferroma&netiV Low Temperature
Transforinatioa in Alloy of the System Mn-Go
PERIODICALS Akademiya nouk SSSR. Ural'skiy filial, Sverdlovsk.
Institut fiziki metallov, Trudy, no.22, 1959, pp.67-68
TEXT.- Alloys of the system Mn-Ge, containing from 40 to
52.5 at.% Go, consists of Mn 3Go crystals and a eutectic which is
a mixture of Mn Go and Go, Afloys containing over 52,5 at.% Go
consist of cryalali of Go and the eutectic Mn G: + Go (Zwicker
and Schubert, Ref.1). I. G. Fakidov, N. P. ar z2hdankina nd
V. N. Novogrudskiy (Izv. AN SSSR, ser.fiz., 1956, 20, No.12, 1509)
and also S. D. Margolin and I. G. Fakidqv (FM1M, 1957, 5, No.2,368)
observed that alloys of the system Mn-Ge containing Mn 3Ge2 undergo
ferromagnetic transformation in the region of very low temperatures.
In order to elucidate the physical nature of low temperature
transformation, alloys containing 40, 60 and 70 at.% Go were
produced and investigated by means of the Kurnakov pyrometer
(Refs.4 and 5). The specimens were produced according to a method
described by S. D. Margolin and I. G. Fakidov (F.%LM,l957,5,No.2,368).
Card 1/3

~653
5/520/59/000/022/009/021
E073/E535
Physical Nature of the Ferromagnotic Low Temperature Transformation
in Alloys of the System Mn-Ge
By means of differential-thermal.analysis wijhthe Kurnakov pyro-
motor, the transformations were established which relate to type I
phase transitions, i.e. processes that are accompanied by release
or absorption of heat. Ge was used as a comparison standard for
alloys of the system Mn-Ge. The specimen and the standard were
placed in powder form in an ampoule made of molybdenum glass,
which in turn was placed in slots inside a lead sphere which had a
high thermal inertia. The sphere could be moved along,'the vertical
inside a cylindrical Dewar vessel, the position of which could be
fixed to any height above the surfnco of the liquid nitrogen. The
temperature was measured by means of a copper-constantin differ-
ential thermocouple. The Ampoules were hermetically s~-aled to
prevent condensation of moisture on the specimen and t1he standard.
A temperature-time graph, Fig.1, plotted for a Mn-Ge alloy contaifi-
ing 40 at.% Ge indicates that a thermal effect occurs at t = 160*C.
For alloys containing 60 to 70 at.,/j Go the temperaturo-time graphs
are similar. Analysis of the thermal effectm shown on the tempera-
ture-time graphs pertaining to Mn-Ge alloys containing 40,60 and
Card 2/3

S/520/59/000/022/009/021
E073/E535
Physical Nature of the Forromagnotic Low Temperature Transformation
in Alloys of the System Mn-Ge
70 &t.% Go indicates that low temperature ferromagnetic transforma-
tion in alloys of the Mn-Ge system relate to type I phase transi-
tions. There are I figure and 5 referencest 4 Soviet and
I non-Soviet.
(Note: This is a complete tianslation)
Card
3/3

5~; PISARZfEVSXIY, U.N., nAiichnyy red.; RiMINA, Ye.N.,
L LWjXA, S red.;
VASIIIIYEVAI L.P., tekhn. red.
(Physics and chemistry; annotated index of popular sci-
entific Ifteraturel Fisika i khimila; ukazatell nauchno-
popullernoi literatury. Izd-3., dop. i parer. Moskva, Goa.
bibAotska SSSR Im. V.I.LeninA. 1963. 150 p. (M] RA 16:9)
(Bibliography--Physics) (Bibliography-Chemistry)