SCIENTIFIC ABSTRACT POKATILO, N. A. - POKAZEYEV, YU.

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SCIENTIFIC ABSTRACT
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50) AUTHORS: TITLE: PERIODICAL: Topchiyev, A. V., Academician, SOV/20-124-6-20/55 Krentsell, B. A., Pokatilo, If. A., Yerasova, Ye. L. On the Polymerization of rX -Butene With a Complex Metallo- organic Multi-purpose Catalyst Al(C2H5 )3 '1. TiCl4(0 poli- merizatsii cx-butona a kompleksnym metalloorganicheskim katalizatorom Al(c2H5)3 + TiCl 4) Doklady Akademii nauk SSSR, 1959, Vol 124, Nr 6, pp 1255-1257 (USSR) ABSTRACT: Since recently the problems of stereospecific polymerization of U -olefins with complex metallo-organic catalysts have attracted the attention of many research workers. This can be explained by the theoretical interest in polymerization reactions which yield stereoregular polymers on the one hand, and by valuable technical properties of the products formed, on the other hand. The mechanism of stereospecific polymeriza- tion of Oc-olefins and the properties of the polymers were frequently the subject of publications (Refs 1-8). Least attention in the discussion was paid to the synthesis of Card 1/2 polymers with a high molecular weight on the o~-butene On the Polymerization of cx -Butene With a Complex SOV/20-124-6-20/55 Metallo-organic MlUlti-pUrDOse Catalyst Al(C H ) + TiCl 2 5 3 4 SUBMITTED: basis (Refs 5-8). This is what induced the authors to write the present paper. In an experimental part they deal with the production of the initial substance, course$ duration, and details of the reaction as well as with the quantity of the catalyst used. The ready polymer is described with respect to its properties. Figure 1 shows the dependence of the poly- butylene yield upon the duration of reaction. Figure 2 gives the radiograms of amorphous (a) and crystalline (b) poly- butylene. From figure 3 the dependence of the characteristic viscosity of polybutylene (A) can be seen and that of the content of crystalline substances (B) on the molecular ratio of the catalyst (C 2H ) Al : TiCl 4~ Figure 4 reveals the dependence of the Qe3viscosity A) and the yield in poly- butylene upon the reaction temperature. There are 4 figures and 9 references, 3 of which are Soviet. November 13, 1958 Card 2/2 67261 BOY/20-129-4-23/68 AUTHORS: Tvano T. I*, Krentsell, B.A., Pokatilo, N.A.. Torchiyev, A. V.p Academician TIVX: ~ojMrization of 3-Meth Butene-1 FERiODIGAL: 'Doklad:~ Akademii nauk SSBR, 1959, Vol 129, Nr 4, Pp 799-800 (USSR) ABS1.0R.Mi The authors investigated the polymerization of 3-methyl butene-I with a complex organometallic catalyst-I 3-mothyl butone-I was obtained by pyrolysia of isoamyl aoetate in a yield of 97%. The dependences observed in the pyrolysis are.graphically represented in-figures tand 2. Al(c H,) or Al(i-G Ej-'an' TiCl or TiCl 4 3 4 . ~9 3 *nd AI(i-C H were ils"ed as catalyst compoiients. Al(q 4 ) .5 . 3 4 9 3 dissolved in benzene before.they were usedb, The reaction2mentioned in~-Oe~title was made in-'carefully purified'and dried heptane and in argon atmosphere. The obtained P01Y-3-methyl butene-I is a white powder (melting point approximately at 2400). The properties and the polymer constants are determined. The content of the isotaotic component was determined by successive extraction with Card 1/2 boiling ether and heptane(similar to the investigation of ACCESSION NR:-AP4028542 S/0191/64/000/004/0003/0006 AUTHORS.., Pechitaylo,*N.A.; Sanin, P.I.; Bev~za, T.I.; Pokatilo9j)GA. iins:.-S'tability of P61Y-3-methyl'buten'e-1- SOURCE: Plasticheskiye massy*, no'. 4, 1964. 3-6 TOPIC TAGS: polymethylbutene, stability, differential thermal analysis,, methylbutene polymerization, themogram, exothermic effect, endothermic effectt amorphous, crystalline, isotactic polymer, stabilizer, polymer oxidation ABSTRACT: The stability rifo atmospheric oxidation of polY-3-methyl- butene-1 was studied by d11ferential thermal analysis. The polymer was produced'by polvmarii;,ation of 3-methylbutene-lion'the Al(C,~HJII TiCl system (1.5:1)-.- thermogram of the polymer sample in'alr' showi a series of,exotb"rmic effects above 120C and an endothermic' peak at 260C. In the themogra in argon the exothermic effects are absent but there is a series of e6dothermic effects.'associated with changes in the structure of the polymer macromolecules* Card 1/2 ACCLSSION-M AP4028542 Comparison of the amorphous, slightly crystalline and crystalline or isotactic fractions$, '(structures confirmed by x-rays) of the polymer shows.,the*'4iighly crystalline material is oxidized most on heating. T46-~zeffect of the addition of various amounts of ionol (2,6-di-ter-Ui.""~)ur.y'l-4-mothylphonol) was studied, and it was found that&4,,he fhi~ensity-of the exothermic effects was reduced with increasing amouz~ of stabilizer# up t02% ionol when there is almost no oxidation of the polymer. Ojig. art. has: figures. ASSOCIATION: None SUMITTED: 00 DATS ACQs 28Apr64 ENCL: 00 SUB COW: CH NR REF SOWs 002.' Or=: 003 CWd 2/2 S/510/60/014/000/002/006 D244/D307 -'XUTHORS: Po%atilo,'N.A., Yerasova, Ye.L., Unmut, A -;,M., Erentsell,- S-.A., and-Topchiyev, A-V. TITLE: Preparation of isotactic polybutylene SOURCE: Akademiya nauk SSSR. Institut nefti. Trudy, v. 14, 1960, Khimiya nefti, 58 - 64 TEXT: In view of the improved mechanical properties of poly-a-buty- lene the polymerization of a-butylene with the application of comp- lex orcanometallic catalysts was investigated. AI(C H and 0 5 3 TiCl 4 Al(Lso-C H TiCl systems were used as catal 's The polymeriza- y 4.9 3 4 tion was carried out in a glass apparatus under attiosph*&-ri-,c pressure,,/ and also at. temperatures and pressures close to the critical'values for a-butylene. In the latter apparatus a-butylene served as the solvent as well as the part of liquid a-butylene unused in the reac- tion. The.beat conditions found for the polymerization with (C H 2 5 3 Al --TiC1 wore as follows: 1) Molar ratio (C H Al Ti 4 2 5)3 014 ='8: 1 Card 1/2 8961h S10201611136100210191034 B016/B060 AUTHORSt Zhuk, D. S., Keppen, V. A., and Pokatilo, N. A. TITIX: Interaction of Cyclohexene With Concentrated Nitric Acid PERIODICAM Doklady Akademii nauk SSSR, 1961, Vol. 136, No. 2, pp. 346-349 TEITs In contrast with earlier papers (Refs. 1-6, 8-10) which have re- ported 6n the nitration of cyclohexene with diluted ENO 3 or with nitrogen oxides in the liquid phase, the authors have used 98-5 to 99-7% ENO 3 in the vapor phase. Its amount related to cyleohexene (5.2 : 1) was calculated in a way as to ensure a complete oxidation (combustion) of the latter. The reaction was performed at atmospheric pressure and 1000C in a quartz tube during a contact time of 6.5 sec. (occasionally 1.63 see.). A complicated mixture of products found to form in this connection contain- ed nitro-, nitroso-, nitrate-, hydroxyl-, carbonyl-, and carboxyl groups in various combinations. Also the formation of cyclohexene nitro nitrite (in accordance with Ref. 5) is said to be possible. It can be subjected to Card 1/3 89614 Interaction of Cyclohexene With Concentrated B/020/61/136/002/019/034 Nitric Acid BW/Bo6o hydrolysis and give rise to nitro cyclohexanol. The following substances were separated and identifiedt cyclohexene pseudonitrosite; nitro cyclo- hexanone; 1-nitrocyclobexene; keto cyclohexyl nitrate; nitro cyclohexyl* nitrate; dinitro cyclohexane; 1,2-cyclob~xanedione; a compound with the empirical formula C H 0 - 2-nitro cyclohexanol; 192-cyclo hexanedione 6 10 21 mononitrate, adipic, oxalic, and succinic acid. It was found that in those cases where a cis- trans-isomerism is possible in the compounds synthesiz- ed, a mixture of isomers with prevailing trans-form results as a rule. It was concluded that the oxidation processes play a major part in the complicated reaction mentioned. Above all, their study will contribute to understand the self-inflammation process of cyclohexene with concentrated HNO 3' A report will be made on respective studies in a separate paper. N. A. Chumayevskiy is thanked for having performed the spectroscopic analysis of the compounds synthesized. There are 10 references: 1 Soviet, 4 USp 2 German, and 3 British. ASSOCIATIONs Institut neftekhimicheskogo sinteza Akademii nauk SSSR (Institute of Petrochemical Synthesisp Academy of Sciences USSR) Card 2/3 89614 Interaction of Cyclohexene With Concentrated S10201611136100210191034 Nitric Acid w16/Bo6o PRESERTEDi July 21, 19609 by A, Ve Topchiyev, Academician SUBMITTED# July 12, 1960 Card 3/3 BEY-1,3M, S.I.~ P" AT--10, N.A.- O.If, , J)014COPLCOK, B.A. Raaction of a free rsthgl radfr~al with crgarovil~:;~,,n compci;ndz- vy-jokom. soed. 7 rr,.6;1-08~-,1093 Ja 165. (mw ~18,9,/ 1. neftekbimJ:7,beek~--po Finteza imeni A.V,Topr,hjy(-.-vh AN S-SSR, of .3-melhylbrutene-~ on com-lex C~:-j- 4 no.5:72-,7-734 S-0 164. 1. instit-A neftekhijrii-cheskogo s-*Lnteza imeni A,V.Topct.-'lyfuv:-l L 13813-65 EWr(MV_EPF(cV3-4P(j)1T PC-4'/Pr-4 RM ACCESSION NR: AP4047684 S/0204/64/004/005/0727/0734 (decea.sed) AUTHOR: ~Bevza, T. 1. Pokafflo N. A. ~opch- A _~n th TITLE Po "erizationl _I f.3.- Mgftl-l-butene e presence of complex or. gano- metallic catalysts SOURM. NefteQmlya v. 4 no. 5' 1964 727-734 TOPIC TAGS: methylbutene, dehydration catalyst, polymerization catalyst, Isopentyl alcohol) fractionation polymerization, polymer physical property, olefin polymerization, beteroorganic catalyst ABSTRACT!. The preparation of 3-methyl-l-buteneby dehydration of isopentyl alcohol (b. p. 128-432C~ ny ~_ 1. 4080) d20 0. 811) is described and the conditions of poly- 4 merization and fractionation are given. , The Intrinsic viscosity, melting point and glqss transition temperature were determined for 3-methyl-lm-butene polymers. For crystalline polymers the glass temperature is important because the valuable complex of properties determined by the.nature of the material appears only in the temperature range between the glass transition and melting points. The polymerization was influenced considerably by the molar ratio of the catalyst components. Thus, the highest yield of solid product was obtained at a AI(C2H5)3: TiCl ratio of 2 at 110C in 10 hours and a catalyst Card 1/2 .1 L 1381,~-65 ACCESSION NR-. AP40476841 concentration of 5% based.on the monomer. The content of isotactic portion in the polymer Was relatively Independent of the, temperature of polymerization. The resulting polymer has.a M. P. of-230-240C, 80% Isotactle portion, and an.intrinsic viscosity of 0.7. The 1 ass tram9ition1emperature Is 60C according to the therniomechanical curve. The g solubility data obtained in a stream of pure argon are tabulated (in benzene, toluene, i xylene, decalin, tetralin, ditoly1methane, dicumylmethane, and kerosene). The structure assumed,for.the polymers was confirmed by infrared spectra. "The authors thank B. A.P Krentsell for his amistance, M. M..Kusakov mid M. V. ShIshkina for taking the infi~a-f-eU- spectra and L Tsarevskava for the determination of the ermomechanical properties f the polymers; M. L Leonova and M. N, Shyarts also took part in the work. W-UH7g.17t. has: 8 figures and, 3, tables. Institut neftekhtmicheskogo s!nteza im. A. V. Topchlyeva AN SSSR ASSOCTATION. (InistituW Of Petrochemical ~)mtliesisj AN WSR) SUBMITTED: 20Jun63 ENCL: 00 SUBeCODE: OC NO REF SOV: 003 OTHER-. 010 2/2 ;~Card NECHITAYLO, N.A.; SANIN, P.I.; BEVZA, T.I.; POKATILO, N.A. Stability of poly-3-mthyl-l-butene. Plast.massy no.4:3-6 164. (MIRA 17:4) YERASOVA, Ye.L.; KRENTSELI, B.A.; ~ .1 TOPCIIIYEV, A.V. Isomerizing action of the catalytic system Al(G2H5 )3+ CrG23 in the pol-ymerizatioir of 1-butene. Vysokom. soed. 4 no.12:1796-1798 D 162. (MIRA 15:12) 1. Institut neftekh~micheskogo sinteza AN SSSR. (Butene) (Polymerization) (Catalysts) S/19 62/004/012/004/015 BIOIY33186 AUTHORS. Yerasova, Ye. L., Krentsell, B. A., Pokatilo, N. A., Topchiyev, A. V. TITLE: Isomerizing action of the catalytic system Al(C H ) + CrCl 2 5 3 3 in the polymerization of but-i-ene* PERIODICAL: Vysokomolekulyarnyye soyedineniya,"v. 4, no. 12, 1962, 1796-1798 TJXT: The applicability of-the catalyst A_l(C2 H5)3+ CrCl3 suggested by J.,E. Gillespie, J. Tordman (Industr. and Erigng. Chem., 51, 1365, i1959) for the polymerization ;f propylene was stu'died with respect to the polymerization of but-l-ene. The experiments were carried out in ampoules, with the ratios Al(c 2H 5)3 : CrCl 3 - 1:1, 1:2, 1:6, and 1:9 at 30-800C. The polybutene'yield was,onlY 5%. However, a conside~rable isomerization from 1-butene to 2-butene was observed, which did not:occur in the polymerization of 1-butene with AlR + TiCl~. Example: The initial butene had the 3 4 composition (in % by weight): 70-03 1-butene, 11-42 cis-2-butene, and Card 1/2 - , -, , - -- - -,- , . .- -~ I "' , - . . - ~ I w--- , , , , - -. . i ~ ~ -., - . . 1. ~ I - I ~ I .- ':,- ~ .1- - "! ", ~. ; , - -, .: -.. - 'J". , : ~ . , - , -".,& - . -- ., -. - - - - . : ~ * - ` .: ~ - ~ , - I1 -1 : - L -, , t . '- ! ~ I " - , i - :. POKATILCV,_G.A. Geology of the Archean complex of the left bank of the lower Anga River. Trudy Irk. un. 14:119-135 '58. (MM 16:7) (Anga Vallev-0tology) MrATTLW, K. YE. "Alcoholization of the B ordering Trunk in Ca--.e of Vascular Disorders and Pain Syndromes." Thesis for degree of Dr. Medical See. Sub 28 Jun 49, Central Inst for the Advanced Training of Physicians. M Summary 82, 1,11 Dee 52, Dissertations Presented for Degrees in Science and Enpineer!!i~- in Mos~-ow in 1949. From Vechernyaya loskva, Jan-Dec 1949. 0. r-OKATILOV, K-Ye. YjAe., dotsent, zaveduyushehiy; SHERmITOV, F.B., STANISIAVUVA. Te.N.~; r professor. di or. Combined therapy of oateoarticulur tuberculosis complicated by UvIloidozis. Probl.tub.no.3:31-34 My-Je '53. OQRL 6.7) 1. Kostnolrhirurgicheskoye otdelaniye Moskovskogo oblastnogo tuberkuletnogo instituta. 2. Moakovskiy oblastnyy tuberkuleznyy institut (for Shebanov). (Bones--Tuberculosis) (Joints--Tuberculosis) POKATILOV, K.Ye.. dotsent Conservative resection in tuberculosis of the ilioawral joint. Xhirurgila no.4-015-20 Ap '54. (XUU 7: 6) 1. Is Moskovskogo oblastnogo nauchno-lai3ledovatellskogo tuberku- loznogo instituta (dir. prof. 7.V.Bhsbanov5 (TUAMULOSIS, SPINAL. surgery, *resection of iliosacral joint, conservative) Pt EWT(1)/EPA(S)-2/EW(b)'-2 -10~ IJP(6)/AFPTR/ASD(a) 5/SSD/ AMWAM(t.) -NR-.- AP4044956 B/0181/64/006/009/2809/2818 AUTHOR,_- Pokatilov,_ Ye. P. ;kill -VTITTLE: Local and polaron states of'electrons in a piezocrysta i:7 SOMCE: Fizika'tverdogo-tela, V. 6, ho.. 9i 1964, 2809-2816 -polaron, olarization, piezoelectric VOPIC TAGS4.-~Oiezoelectricity, p -!crystal, electron polaron interaction, impurity center ~,i~-'ABSTRACT:-Alth6u4b -the effect exerted on-various phenomena in semi- :--conductors by:-the interaction betweenan electron and piezopolari- zation have been:reported i n- several recent papers, they did not ..-i lude a~discussion of the iDiezopolar;zation-produced not by ex- nc ~:ternal S.Ources~but by the electronl,s own-field. Inasmucb as the interaction,between the.electron and the polarization that it pro- rduces can greatly influence the .energy sp .ectrum of free and bound ''electrons$ the auth or considers the ground state of free and local Card A/2 23350 '~: , / r~ rr,o /419 o (AtIt. AUIdOR, Ye~P. -Iation~ of an ant-;c-xrpi- med'um TcE:z~ ing h a"' and h-xagcnal -YTum4-~r~=z FFRITODTICALt Refera*;i.vnTj zh-urra.. Flzika, m'-, 6, 1961, 2r-6, abstract 6539 ("Uch- zap. Tiraaro-I'sk- g-:~_=,ped in-t!'. 1958 (ig6o), ric, 8, 185 - 192) -T Ex~- The author consider-s accustical oscillations of long wavei~_ngihS in c and hexagonal zr-yStaILS. tak-Ing int:~ account elaEtd~:, aniso-.rop.j, Approxima--~e formulae fcr frequencies and po'Larizat"ons cf '_~ablc cryr>41al cscjllatdc~ns arE~ de- --.Ived cr, ~Ihe azsamPz,!.= that elastic an',stropy is small and it. is PerMissib-le "-, 0,~rfflre one~~eif -,o the linear term in the exran-Blon Ln r:-wer_= of anis~trcpy para- A :nmraris:n wft.h resul-,s c:_--.a4_ned f,-r Ge and Si n-imerically ty meanz of rig,:irou=_ ftrmulae Ehcws *ha~ '~he errz~r 'in determining 's less than 0,5% for 31 and 1% fcr Ge n the case :,f almost ~ongi-,udlnal oscilla~".cns and 11.5% _3,5% f:r Ge in the :==E- of almc-t transverze czcli'at!-ns' err-r- flor Si and A L 1/2 Elas-'ic 2-430 3 7 A0011AI-16, -mining, iz ~:f the order ~,f 20%., Apprzxlfra*.e f-rrnilae are a3-z.-.~ derived fcr alin'-st Icngitudina: oso-11-latIcns -ir. liexage--.nal. Tc Ynmate ~h,7- fr=q---nl~-y vai..z=~Et fcurid are -,~mparr-J wi,h rllg-r,~,,z~ ca.~2,ula,~~d fcr M, Krivoglaz Card 212 21023 ,9/058/6 AOOI/ 36, A101 AUTHORS: Pokatilov, Ye...P., Keehashina, A. TITLE: The aottvation energy of partly shielded donor centers in silicon PERIODICAL: 'Referativnyy zhurna~. j?iz:Lka, no 5,.1961, 271, abstract 5E266 ("Uch. zap.. Tiraspol'sk. gos. pod. in-.t!', 1958 (ig6o), no 8, 193- 197) TMIT~ The authors calculated activation energy,of small-donor centers in Si,~p the framework of the single-eleotron approximation,(using, 12owever, shield- edi.pptential of interactlon)4- This study is actually a generalization of.the wark of Fisher and Krylovloh (RZ-hFiz, .1958,-no-2j~ .3772).for the.ease of aniso- fe.ative rrass.. A Yukawa-type potential was adopted as.interaction po.;- tropia. et tenti4l; , trial wave firiet-ions cpntain _3 variation parameters, The authors have established the relationship between activation energy of an impurity center and the radius of shielding. It turned out that activation energy decreases with a decrease of shielding radlus,.and may even ''reach the zero-value. Thus, e.g. in the case of complete absence of degeneration and at T = IOOOK the concentration 11000IM51;031-1.0 50 Card 1/,2 21023 The activation energy ... S/058/61/ox/ocir- 31A50 1/0 A001/AIOI of free carriers, at Vnich activation energy turns into zero, amounts to X1017 om-3, which is in accord with the known data of Pirson and Bardin (^./loa~.m-3). The authors consider also the case of non-spherical shielding of interaction potential, and pertaining relationships are derived. Yu. Gulyayev [Abstracter's note: Complete translation.] Card 2/2 POKATILOV, Ye.P.; PREPELITSA, B.V. Effect of shielding on the electroacoustic effect in semi- conductors with a single kind of current carriers. Tnidy po fiz. poluprov. no.1:15-18 162. (MIRA 16:11) EWT(1')/EWG(k)/EEG (b)-2/BDS--AFETcAsD/EsD-3--Pz-4--AT/IJP(C) L 10r-V-,2-63 ACCESSION VR.: AR3000372 5/0058/63/000/004-/EO60/EO60 /4-/ SOURCE: RZh.Fizika, Abs. 4E405 AUMOR: -Pokatiloy, Ye. Prepelitsa,'B. V. TIM: Effect cf screening and acoustoelectric effect in semiconductors with one type of current carrier CIIIED SOURCE: Tr. po. fiz. poluprovodnikov. Kishinevsk. un-t, vyp. 1, 1962, 15-18 TOPIC TAGS: acoustoelectric effect semiconductors, screening TRANSIATION: The acousto-electric effect in a semiconductor is considered with allovence for screening by the currentIcarriers of the field produced by the deformtion patential. It is shown that the screening greatly reduces the acousto-electric emf. V. S. DA ACQ: 1W63 ENCL: 00 SO CCIDE; PH GardiA. .............. PCKATILOV,_j0,??Q .. Electroacaustic effect in high-frequency ultrasound. Uch. zap. Kish. un. 49:26-28 161. (MIRA l5s7) (Electroacoustics) (Ultrasonic waves) FREFELITSAI B.V.; FOKATILOV, Ye.F. A Eleotroconductivity and Hall effect for sainiconduotors with an extremn loop. Ueh. zap. Kish. un. 49:29-31 161. (MIRA 15:7) (Hall effect) (Semiconductors-Electric properties) 8/058/'61/000/blO/076/100 AOO1'/A1O1 1~ qf-)15-00 AUTHORS: Pokatilov Ye.P., Prepelitsa, B.V. TITIE: Relaxation time in scattering of electrons by acoustic oscillations of lattice, ionized and neutral imparities in wurtzite-type crystals PERIODICAL: Referativnyy zhurnal. Fizika, no. 10, 1961, 251, abstract IOE167 ("Uch. zap. Kighinevsk. un-t!', 1960, v.- 55, 163 - 174) TEXT: The tensor of-relaxation-time for wurtzite-type crystals is calculat- ed,by the Herring and Vogt method (RZhFiz, 1957, no. 1, 1581).* Formulae are derived.for the case of electron,scattering by thermal'acoustie'lattice osailia- tions, as well as-for scattering by neutral impurities and screened Coulomb cen- ters. in the latter case the calculation is performed in"Born approximation, V.'Trubitzyn [Abstracter's note: -Complete.transiation] Card 1/1 S/181/60/002/009/041/047/XX B004/BO7O AUTHOR: PokatilovL_Ye- P-. lyby Acoustic Vibrationslin TITLE; Scattering of Blectrong Hexagonal Crystals PERIODICAL- Fizika tverdogo tela, 1960, Vol. 2, No. 9, pp. 2210-2213 TEXT: A study was made of the interaction of electrons with the lattice vibrations taking account of the tensorial character of the effective mass m of the electron, the elastic constants A of the lattice, and the deformation potential a. The results obtained for hexagonal crystals are given in the present paper, whose anisotropy affects the components x t~y, and zof the relaxation time tensor. The energy surface is assumed to be an ellipsoid of revolution, with its axes in the directions of the principal axes of the crystal, and the center coinciding with the center of the Brillouin zone. The components of the effective mass tensor are then, ml, and mL and those of the deformation potential tensor are a, i~, / a,, u,,. (w is the energy of interaction of the Card 1/3 Scattering of Electrons by Acoustic S/181/60/002/009/041/047 Vibrations in Hexagonal Crystals B000070 electron with the lattice; ull and u .1 are the stress deformations parallel and perpendicular, respectively, to the principal axis)~ Using the equations given by L. D. Landau and Ye. M. Lifshits in Ref. 4, equations are obtained for 1/-r,, and T(p(,~) for the limiting cases P--~o (p = m-,/M,,) and p-7:)-oD lim (1/-CO lim(i/'t~ (1 1 1)40 [A( r+ 1 1)]j (6); and lim(i/'r, lim(l/-Lll P-3,WD (1/'e )(1 + (7). Fig. 1 graphically shows 'eoftL for a,, /a_, 0 1 0.5, 1, and 2. Fig. 2 shows for the same values of a,, /aj_. The anisotropy was found to have a significant effect. For p - mL /ml, and aq /a_,. = i, the ratio 1r,/1Z;jj is about 1-1.8. There are 2 figures and 5 references: 3 Soviet, 2 US7,'and I French. ASSOCIATION: Kishinevskiy gosudarstvennyy universitet (Kishinev State Universitv) Card 2/3 Scattering of Electrons by Acuusltic Vibrations in Hexagonal Crystals SUBMITTED: November 16, 1959 S/181/60/002/009/041/047 BOOM Card 3/3 POKATILOV, Ye. P. Cand Phys-I-Inth 6ci - (diss) "Some vroblems of the in-ue_-ac-L.----n of electrons with acoustic vibrations of the lattice and impurities in semiconductors." Kiev, 10,61. 0 pp; (Joint ficader.,iie Council of Institutes of Physics, Mathematics, and Metallophysics of the Academy of Sciences Ukrai:.ian SSR); 120 copies; price not given; bibliography at end of text (14 entries); (KL, 5-61 sun, 174) hi.69o S/837/61/049/900/002/011 B102/BT04 AUTHOR: Pokatilov, Ye. P. TITLE: The electroacoustic effect with h-f ultrasonics SOURCE: Kishinev. Universitet. Uchenyye zapiski. v. 49, ig6i, 26-28 TEXT: On the basis of quantum perturbation 'theory the electron-phonon interaction is studied for.-a system having an electron collision frequency smaller than the sonic frequency. Using a method,of Herring and Vogt (Phys. Rev. 101, 944, 1956)1' the ze'ro-current field strength- inside an isolated semiconductor is derived as a9 2xgCep(i WAT 2,,,, 2 - x P2 KT WTI L CM 2 X In.. -c.,dE1Sf%.j4di Card 1/3 S/837/61/049/000/002/011 The electroacoustic effect with h-f B102/B104 from.the equation of motion of electrons in the sound field. ]All = - - me M." 2 (1.2) holds for a nondegenerate carrier gas, whereas for a degenerate gas W n' 21 E. (1-4) is Valid. For high temperatures,-AAT (fl, JVOY) k Tm.~ Ee .KT x 2e ~xSexp(- tlKT)%. delexp(- 4IK7) (1-3)- Card 2/3 The electroacoustic effect with h_f S/837 611049100010021011 metal/B Semic.1~NI(KT/p )312. B102YS104 f or n-tYPe Si and G 0 These relatiOUS are us ed to calculate es e for longitudinal and transverse oscillations lect-roacOustic effect can be used t dete The one. 0 rmine%" both interaction constants, whereas other effectsp as -e. g. the Piezoeffect, Yield only. Card 313 Sl~ 3 7 )6 1 A_46;~O 0 0/0 0 3 A 11 f B102/B104 AUTHORS: Prepelitsa, B. V., Pokatilov, Ye. P. .TITLE- Electric';onductivity and Hall effect in semiconductors with loops of xtrema SOURCE: Kishinev. Universitet. Uchenyye ZRPiski- v. 49, 1961, 29 3T TEXT: The occurrence of bands with'extreinua.-loops In wurtzite-type crystals when spin-orbital interaction-is taken into account has been shown in group-theoretical studies.by.E. I. Rashba and V. 1. Sheka (FTT, 1, 2, 162, 1959; FTT, 1, 3, 307, 1959).;. The energy of this interaction can reach several hundreds of ev, as was shown experimentally for CdS, and should exert a-great effect on the kinetic coefficients. This effect was theoretically determined a:s regards the relaxation time, the electric conductivity, and the Hall effect. The expressions for 11-e, and the Hall coefficient ratio R(HUz)/R(Hlz) obtained in crystals with circular minimum loops are compared with those for point minima. It is shown that measurements of the Hall constant offer the best way of finding out whether a semiconductor has an extremum loop or notF the -Card 1/2 G - 7) Abs Jour Rof Zhur Fizika, No 3, 1957, No 7008 Author Folcrtilov, Yo.F., Dirrnt, A.I. Title Concerning Froblcr. of the Width Cf the Impurity Zone of Conductivity in Atonic Semiconductors. Orig Fub Uch. zap. Kiminovsk. un-te, 1955, 17, 147-150 Abstract The impurity zones cre calculated for excited (2r) and un- excited (Is) state of the impurity ato-~s. The T!ethod of 5trongly-couTled electrons is used; it is proposed thtt the atoms of the i-purity forn vn idecl cubic lattice. The in- dividual atorliG stntas are described in accordance with c hydrogen-liko -odel. It is shown that at a cortrin impurity concentrntion (npproxirately 1617 cm-3) the 2p-zone overlaps the ls-lovel, to which factor the occurrence of the imct-cllic conductivity is connectod. Si~cc (cf. Pearson G.L., Bardeen J., Fhysical Review, 1949, 75, M) the notellic conductivity in silicon elloyed with boron (or phosThorus) occurs et con- contrations thet rro one order of regnitudo grantor, it is concluded that the single-electron epprox3ination is not vda- quato in this problem. Card 1/1 KA 1-i i-o v. i~ USSR/Crystals. Abs Jour Referat Zhur Kbimiya, No 6, 1957, 18349 Author P. PnkF1fi1QX. Inst Kishinev University. Title Calculation of Transferred Charges in The Theory of Thermoelectrical Phenomena. Orig Pub Uch. zap. Kishinevsk. un-ta, 1956, 24, 115-126 Abstract No abstract. Card 1/1 - log B-5 24(5) AUTHOR: Pokatilovp Ye..P. sov/56-36-5-24/76 TITLE: Resonance of Current Carriers Under the Action of Ultrasonic Waves (Rezonans nositeley toka pod deystviyem ul'trazvukovoy volny) PERIODICAL: Zhurnal eksperimentallnoy i teoreticheskoy fiziki, 1959P Vol 36, Nr 5, PP 1461-1464 (USSR) ABSTRACT: The progress made by experimental ultrasonics engineering caused general interest to be focused on the interaction of current carriers and sound waves. The author of the present paper theoretically investigates the influence,exercised by ultrasonics upon an electron gas in a semiconductor which is located in a magnetic field. The problem.is investigated in classical approximation if the de Broglie wave length of the electrons is small against that of sound. First, the power U absorbed per unit of volume is calculated for oharges with scalar and tensorial effective masses and the formula obtained (10) is illustrated by means Qf a diagTam U(6j/aj 0) fcr a numerical example, Energy absorption peaks are obtained at the Card 1/2 frequencies c4 = n W , where n is an integer and W denotes 0 0 Resonance of Current Carriers Under the SOV/56-36-5-24/76 Action of Ultrasonic Waves the cyclotron frequency of the current carriers. Ultrasoris resonance in the case of an elliptical shape of the isoener- getic surface in a hexagonal crystal with the energy minimum in the center of the Brillouin zone is investigated in the second part of this paper. As ultrasonic wave length amounts to only about the 105_th part of th6-wave length of light at the game frequency, no polarization effects can be expected that might prevent the use of cyclotron resonance in semi- conductors with a high concentration of free electrons. The author thanks Yu. Ye. Perlin for discussions. There are I figure and 7 references, 2 of which are Soviet. ASSOCIATION: Kishinevskiy gosudarstvennyy uaiversitet (Kishinev State University) SUBMITTED: November 15, 1958 Card 2/2 83632 S/058/60/000/005/006/008 AOO5/AOO1 Tranaluion fromi Referativnyy zhurnal, Fizika, 1960, No. 5, P. 203, f 11706 AUTHOR: Pokatilov'..Ye.p. TIM: on the Theory of Kinetic Phenomena in Anisotropic Crystals PERIODICAL-. Uch. zap. Kishinevsk. un-t, 1959, Vol. 39, pp. 29-38 TEM The author studies the anisotropy of thermoelectric phenomena on the example of a crystal of tetragonal syngony. It is assumed that the con- ductance zone and the valence zone represent a system of 6 ellipsoids: 2 el- lipsoids of revolution around the axis of fourth order (energetically deeper ones) and 4 triaxial ellipsoids (less deep than the first two) around the axes of second order. The electron (hole) transitions between the different minima .are neglected. The dependence of the charge carrier concentration on the tem- perature is calculated for both cases the intrinsic and extrinsic conductance. When calculating the charge carrier concentration, it is assumed in case of extrinsic conductance that the local centers with various~effective masses have similar values of the activation energy, and the splitting of the levels under the effect of the crystal field is neglected. The kinetic equation is solved Card 1/2 AOOVA101 M71MORS: Averbukh, D.Ya., 2~14~- ~- TIME: Quantum theory of ultrasonic resonance PERIODICAL: Referativnyy zhurnal. Fizika, noj 10, 1961, 336, abstract 1OZh455 (" Uch. zap., Kishinevisk. un--e'; - 1960, v - 55, ~ 155 - 162) TEXT: This is a short mathematical article. The authors discuss the mo- t1on of electrons in a magnetic field in the presence of acoustic waves, proba- bility of transitions in discrete spectrum, and absorption of ultrasonic energy. [Abi~tracter s note: Complete translation] -S1/0-1 /blo/ogg/ioo Card 141 S/056 '1AW/0I0/'b8,3/100 AOO 'rA101 AUTHOR- Pokatilov. Ye.P. TIME: Galvanomagnetic phenomena in wurtzite-type semiconductors at low temperatures PERIODICAL.- Referativnyy zhurnal. Fizika, no. 10, 1961, 266, abstract 1OB309 ClUch. zap. Kishinevsk. un-t'l jo 1960, v. 55, 175 - 181) TEXT: Specific features of galvanomagnetic phenomena in wurtzite-type crys- tals are theoretically investigated using the complex dispersion law for these crystals. The main scattering mechanism is assumed to be interaotion.with acous- tic phonons. it is assumed moreover that.abisotropy of crystal elastic proper- ties is small;. the module of all-aided compression is used instead of tensor of elastic modules, and scalar strain potential instead of tensor of strain poten- +.I-als.1 Boltzman's kinetic equAtion was made use of. The author calculates eoAlar.relaxation time, mobility of carriers in the case of absence of degenera- tdon, Hall coefficient and galvanomagnetic effect. Yu. Gulyayev rAb~'itraoterls note: Complete translation] Card I./I Y600 CdS- It 9 2- , /091 81722 0,180c) "/Oj6/60/(jj8 10"4/015/C0 4f, 77o DN-6/Boj6 AUTHOR: Pokatilov, Ye. P. TITLE: Resonance Absorption of High-frequency Sound Ener,y by the Current Carriers V a 2emiconductor in the ,!agnetic field 1~ PERIODICAL: Zhurnal eksperimentallnoy i teoreticheakoy fiziki, 1960, Vol. 38, No. 4, PP. 1153 - 1159 X TEXTs The ultrasonic absorption in semiconductors in a magnetic field has already repeatedly been investigated, as e.g. in Refs. 1-3 for aound frequencies (j !L I/T (1/T electron collision freq'uency, i - relaxation time), and in one of the earlier papers by the author of the present paper (Ref. 4) for w*N(A0 ;~1/i, where W0 is the cyclotron frequency of the - electron. In the present paper, the absorption of high-freqUency acoul3tic frequencies is investigated. The author proceeds from the ~JohrBdinger equation for electrons interacting in a magnetic field with phononR iand lattice impurities AaT/at - (Ho+11int)T with Ho = (2M Y I(P. 4 c Card 1/5 83722 ,Resonance Absorption of High-frequency Sound S-/056/60/038/004/015/048 Energy by the Current Carriers'of a Semicon- B006/B056 ductor in the Magnetic Field 2 + p I + H and H + H H these three terms py ZI phion int ' H1 int 2 int + 3 int describe the interaction of electrons with ultrasonics, with the acoustic lattice vibrations, and the impurities, respectively. At the low temperatures investigated here, where resonance effects occur, the optical vibrations may be neglected. Considering the ""~chrFdinger equation'to be a superposition of wave functions, the solution,~T is given with (8), and the individual terma are discuosed. According to the modification of the quantum transition theory by Wigner and 'i7eisq.kopI', relations for the tran3ition probability amplitudes b?', and rn(kz) are derived, and further, according to A. Ye. Zillberman the electron part of the mntrix element is calculated. With (16), a final explicit expression for jb)~' is found for the probability of the transition of an electron from the state n, kzI k X to the state n', k', k I as a result of ultranonic action. '.Iorcover, an z X explicit formula for U is obtained (20) by proceeding from the relation for the ultrasonic absorption coefficient U/c0E0 (c0 - velocity of Card 2/3 POKATILOV, Ye.P. Local and polaron states of electrons in a piezoorystal. ?iz. tvor, tela 6 no.912809-2818 S 164. (MIRIA 17M) 1. Kishinevskiy gosudarstvennyy universitet. L Z6767-66 EW(J)IT lip(c) 00 ACC NRt AT6005619 MV2837/64/069/000/0003/0005 AUTHOR: Pokatilov, Ye.P.; Prepelitsa, B.V. 07 ORG: Kishinev Sj&tC UniverailyLKishinevskiy gosuniversitet) TXTLEz Ground state energy of a piezopolaron in a cubic symmetry crystal SOURCE: Kishinev. Universitet. Uchenyye zapiski TOPIC TAGSt crystal, cubic crystal, crystal symetry, crystal structure# piezoelectric crystal,, &ound state of cubic symmeiry. ABSTRACT; This paper is a study of ground states in crystals ~The analysis was based on previous work by one of the authors, which showed that the potential created by the piezopolarization of an electron has an asymptotic Coulomb nature. The elastic constants and piezoelectric moduli of cubic crystals determined before by P. Belincourt, at al.,(Phys. Rev. 129,3, 1009, 1963) were utilized for quan.- titative calculations. Due to the cubic symmetry, it was possible to neglect the devi- ations of polarization from the-longitudinal and transverse directions relative to the, wave vectors The radius of the ground state of ZnS at - 1950C is'e3timated to be.beta ween .0000051 and 000056 cm. Orig. art. has 11 formulas. SUB OODEt 20/ SUBM DAM None/ ORIG REFt 003t';'--- -OTH REF: 002* I Ca 1/1 L_�.lik..e EPA(a -2 UC k I UP -6 ACC NRs AP5017329 SOURCE CODE: UR/0181/65/007/007/2226/2229 .5, 9Y, 3- 5- YY I _r T-- AUTHOR: Pokatilov. Ye. P.; Cheban. A. G.; Rusanov, M. M. ORG: Kishinev S ate University (Kishinevskiy gosudarstvennyy universitet) TITLE: Thermal ionization of miniature traps in cubic piezoelectrics SOURCE: Fizika Xverdogo tela, v. 7, no. 7, 1965, 2226-2229 z) q q.45-5- "at ; qq, 3-5- TOPIC TAGS: piezoelectric crystal,-Zi:ezoWctrLc nizat JE92~r~y, thermal io ion Hamiltonian equation, electron capture, electron transition ......... 'ABSTRACT; The piezoelectric behavior of semiconductors of type A III BV(e.g. InSb, GaAs), are related to processes of ionization of minute traps and electron capture- 7'be Emiltvni= vF electro L-iteractions with oscillations and defects in paeZoe-lec- tric crystals, obtained by a canonical transformation, is shown -to be H= (P) -i- H,,. -f- V (R), Here, e (P) is the electron energy; H, , Is the energy of interaction with acoustical oscillations of the lattice; and V(J?)-'I'-s the defect interaction enrgy. Equations are given for each of the above terms, based on approximate calculations using Shroedinge equation. Wave functions are also presented for discrete spectra; and from these the overall probability for zone transitions from the le-state to 2p and 2a-levels in L_~~ard ACC NRt APS017329 calculated. Based on the values for P. --the probability of a non-radiating transi- tion frcm i to and for W --the probability of the spontaneous optical transl'- 2p,le tion 2p to 1s, formulas are derived for acap --effective capture diameter and 'dis-- effective dispersion diameter. Numerical data is presented for InSb for the probabi- lities P'&-,j ; Pz0n(a parameter incorporating PZjj and W2p,le ); acap ; adis ; and vo (ef. fective capture diameter for the degeneration of the exited levels 2P, 2a) as a func- tion of deformation and piezoelectric behavior at T = SOX and 200K. Grig. art. hast ltable. SUB CODE; SS/ SUBM DATE, 17Nov64/ ORIG Mr: 001/ OTH REr: 002 Card 2/2 45' o ' ism Sri '0' ice 0 jb 00. 'S '10 C C, C2 % 0 '-, % ~~ 0 Ol 0 Or* S L 's 0 0 % 0 C, Q "Dq 0 ;hl 0 0 :04" o zk o -f- 4 O?zr 0 -0 o J-~' O'h C. 4."' 6 0 -e 64 q C. 2 c1q 0 :~b6 , jr, & '110 Or ' a. bq o e C. e 0 OL 0 0 40 :96-'s. 0* 0.> L c '& f.9" qc~ , )1' 4 -ro 0.~ 0 4o ')" - 'b x f--00 -Ir '4 ,p 4 L C4 0 ;".T" ~%o 0 o 0 o 0 V. 00(9 'X ale, , '. 0., " o "46, "4 o Ic e . ~r I 0~ cl .2'o 06 o 1(, 64 0 (;~. '!'qi" 64 eor 0 O;p % L 04 0 0 ~~p o !k Ic. h 0 0~ C-2., 'o 'r~ , 0+ et 'p , 'bo 60 0,4 0." po fei 'FX P. 0?. ;ho~ 0?, 1. 6- ,122-66 EWT(1)/EPA(s)-2/EWT(-m)/EEC(k)-2/T/E'dP(tr ~WP(b)'/EWA(c) IJP(c) lpssiw nR: Ap5o1986T UR/0181/65/007/008/2479/248T AUTHOR: TITLE: on the influence of the piezopolaron effect on the ground-state energy, the carrier effective mass, and the impurity-absorption spectrum SOURCE: Fiz tverdogo tela ika v. T, no. 8, 1965, 2479-248T .11( TOPIC TAGS-. piezoelectric_effect.,polaron, electron interaction, vibration) impurity center, absorption line, light absorption crystal lattice ,ABSTRACT: Formulas are derived for the ground-state energy and the effective mass of the piezopolaron in cubic and hexagonal crystals, in the veak-coupling approx- .imation and in the limit as the temperature T - 0. It Is pointed out that earlier calculations were based either on the adiabatic method, which is not valid for free carriers, or on the perturbation method, which cannot be extended at very low tem- peratures. Interaction with optical vibrations is taken into account together with .interactions with the acoustic vibration. The later is assumed to be relatively weak and incapable of changing the internal state of the optical polaron for any ,electron-optical coupling. The impurity absorption of light is investigated for ~cases of weak and strong beat release, and numerical calculations are given for 'InSb, 2dS: and ZnO. It is concluded that the interaction between the electron and Card 1/2 L 6322-66 ACCESSION NR: AP501986T the.lattice vibrations is capable of exerting an appreciable influence on the width and contour of the impurity absorption iRes. "The author thanks Yu. Ye. Perlin for numerous discussions ana m. A. - lonskiy for carrying out the bulk of the calculations." Orig. art. has: 1 figure and 47 formulas. ASSOCIATION: Kishinevskiy gosudarstveniVy universitet (Kishinev State University) slimamm: lmv& ENCL: 00 SUB CODE: SS INR FM SOV: OOT OTM: OOT nw Card ~/2 POKATIWV, Yo.11, Influence of the rdezopol-~ror, ener[r,j, the eftective mass of' impurity absorption spectrum. 2479-2487 Ag 165. effr-,-t on th- prounn curr,-2nt carriers, and the FJz. tver. tela 7 no.s.. 1. Kishinevskiy gosudarstvennyy universitet. ZAYKOV, M.A.; POKATILOV, YU.P Determining the paran:eters of roller straighbtenirg =ach--'nes- 1z--r. vys.ucheb.zav.; chern.met'. 8 no.6:194-201 '65. I (MIRA 18:8) I# Sibirakiy metallurkicheskiy institut. PAnIUMOV, _inzli.-dizelist Cardborad lining substituting for uparonit" lininz. Blek.i tepl.tiaga. 6 no./+:.14 Ap 162. (VJRA 15:5) 1. Nachal*nik proizvodetvonno-tekhnicheskogo otdela lokomotivnogo depo Krasnodar (for Pakhumov). 2. Lokomotivnoye depo Krasnodar (for Pokatilov). (Diesel engines-Fuel systems) POKATILOVAP fl. A. Cancl Chem Sci - (diss) "Preservation of Fam:,- I Sperm at kinus"210 C.," Moscow, 1960, 35 pp, 180 copies (All-Union Sci-Res Institute of Animal Husbandry,j (KL, 46/60, 124) -w- 014, 00 A 00 of ;.. go 06 A t ji~ 00 00 Ap foe 0 0 6-0 44 L -L a v., r Newsc I flees sad of the WWO Cows- r"- - jkqOAW&, SIreiki. Materialy lW?. No. 12, 1. M. j~*# covtg.65 to79%, C&COs must be butntd to coutz. Wntering at 1W)' for 2 bro. The Petting tim- Of ctnwnt tFurivedat thisirmp. with the introduction of 3%of 5YPWm Y after burnixg and grintsing mixed with water Innnedistel Tbe crulent oh- is thr now as I hat of portiland cement. sairled by Gurning mail to sinteiring is sfrungcr t cvd at lower temps. The burning of marl 4Z..'Itt. produ , to 741P` CACO, at the optimum temp. of 1(01* for 2 givirs 2~ c"Fents of a good YdreVh, but the wttit4 ?I cerntals mixed immedisselY Aftel' tFuMitill is MY qu"- After atoroce for 2-3 monlits, the wit fwtk)d of thew F.I. ctmetits tXTOM" normal. -0 -4* :10* : 96 =00 .0 g too W,7# I ig "I I I I. A I-WvRIKAL LIT(Ar-Tt-Of CLASSIfKATIGO, U 16 AV 00 It OF n IF or go -j 12 00 see* 0 Go *a 0 0 o i =1`018 ".1val eg * 0 0 a 0 0 , A 0 $1 4-6 see 0 6 6 4 0 0 a a 6 4 - r 0 e es, , I; Is I, Y: 0 00 00 -00 00 -00 00 Thq pgduCdm of Colisseata fraris 110ftMINIAled blast, 00 , furwe *Up bygrisdiall these Is the dry coadifts. 1.M. ' . 0o A! l.vkAtijOsA&y&. Itaiekily 1011, Nts. 1. 34,11 . 00 a ~1.4K.flml she "hilitiff '"SivItillil w,"k. %"1V qt%ttit W ties. liffillitily fin if%, Inmilutlikill 44 Iviorists. Affri .IV "ilit ..Ut 11W 111W. Imirly JIM III* It 1. & W 0 Ith It IIAIJ IAIII 14W V, Itim It, All W*k L"111.1 Is . IV- ill Im %J11141116, fill Ilse Illikluctlial tit it W1111 hydiallN ilirlit. Tht' AIAK Was SICKilld tit Y iR the 1.411111111111 WHYMS ' rile 11110$t "Ilbloctoly 1,41witivi ws. jilerm 44 filletwal. ! 00 ;ic tif which U)"' Passed a 1XIII-iliesilt (pet ml. vill.) w1vi'll. : , o h raw Ill micutill k-Inild I.- vilolaill"I y Ow r 0011-illetabiv im A 1 by thr 16. .1ti. %4 moir thAt thr It to w,moh u1 muritt l j: IS 400 a . w a y redierrif 1w criliffing 1"3% tA vi Ii 1h was shalpl rc y g limr. M. 6, hlomq, Z.490 .01116 J 040 1,00 Ct&%%IFKAIIDP tie 0 ' IT so is I .11 all jf[ 'its. 16 ~ i ) p -% PA I v rw o i w 1 too ,99 1 s st n it III n 1 14 !, " 11 1 it O 0* ja 41 OR so 0 0 0 0 0:0 0 0 0 0 0 0 0 0 0 0 0 4, 0 0 0 0 0 0 * 0 0 a 0 0 0 0 0 0 09 a 0 0 go 9 0 0 Concrete Experience in the aj%pI]c,-1tA--)n of finely ground hydruuJic ad-,`Lxtures. tekh., 9, no. 111, 1952. Yonthly Listof Russian Ac,7-essi:~ns, Library of C-nEress, -November 1. F(7KZi"ILGVSKAYA' li;'~ (711".) .~-R (600) 4.. Slag cement; Concrete Bloks 7. Dependance of the frost-resirtance property of slag-concrete blocks upon -13 the size of hard ecal -narticle.3 of tho 91oa. Stroi. nrcnm. 30 Fo. ij, 1052. SevIcav,,' 9. I'donthly List of Russian Aj,:Q(,2sjnnn, ldbr~xy of Congress, August, 1952. TITITASSIFIM). 1. R)K'ATILOVSKAYA, 1. Y. , Eng. 2. ussR (6oo) 4. Slag Cement 7. Effect of coal content in slags on the frost resistance of sla'a-concrete. Stroi. prOU1. 31, No. 4, 1953. 9. Monthl List of Russian Accessions, Library of Congress, April 1953, Uncl. 0 is 0 0 Q 00 00 so-. go u -oo 00 00 *0 -00 00 =00 0e Oxidizing smelting of sulfide ores i;f rioa1crT.M9'=a`tal, In an OINCIAC IMAM A, 1, PAM, U~S.S.R. 68,305. . r k"11,19 the augni~,--111 G of Coo '700 60 coo ji -oo goo 00 *0 o #1 14 of it x I a ?w a too tip It ft to :0 T'.. 0014 ..060006000900006000 0 00 0010 0 o * 0 0 0 0000 oil 1* 0 o 006 0 0 0 0 0 0 0 0 41 0 0 001 0 0 0 0 0 0 0 0 0 * * o 0 * * o 0 0 of ~-on-Ror-nt 7e -I o! oo,,i col -P- 41-o-'s n 17 -a -w 7us c ~-;air-'--earin-,7 Skin of t',-e '.'e~Andk vp.rprologli i dermatolorii ('I ullotin of 'venc-rologi i.o 1 rdJanu?rv-Februai,:.-- 75L (bio~uper), -1~.DSC077. POKAVKINI V.A., kand.takhn.nauk Efficiency-of technical group routing of freight Trudy RUZHT no-3b:.93-1-43 161. iMM 15:12) (Railroads-Freight) POKAVKIII, V.A., kand,takhm.nauk (Rostov-pm-Donu) Scientific generalization of the theory and jp~lictice in the organi- I . zation of car flawB. Zhel.dor.transp, 45 no.9:93-95 S t63. (Railroado-Management) (KIM 16:9) POUVKIN V.A., kand.tekhn.nauk Investigating the idle ti*9 of locomotives in train reclassifications stationse Vest,TSNIIMPS 21 no.7:21-24 162. (KIRA 15:12) (Railroade.-Management) VOLCHEK Ta. L. (Rots t*w-na-Donu); !RKAVEN, V. A.,, kand. tekhn. nauk tR~;tov-na-DoniO Nov developments in the organization of var flowng Zhel. dor. transpe 45 no.1:25-29 Jla.~163. (Min :L624) 1. Nachallnik s1:uzhbyI'AVi%Ifeniya Severo-Kavkazekoy dorogi (for Volchek). (Railroads-Maklng up trains) POKAVKIN,V.A.. kandidat tekhnicheskikh nauk, dotsent -1.1 -P - Investigation of the Interaction of train movements and the technical operation of control stations. Trudy Rhab. IN no.8.- 4-14 '55- (MIRA 9:1) (Railroads--Kanagesent) ,Aadimir Alskneyevich; POP3MV,AnatoliV Vasillyevich; IPOXAVM _-V KE[A I Tr _ KTV'Ts_iil~za 7-TSARMO, A.P., redaktor: BOBROVA, U.N., tekhnicheskiy redaktor6 LPhtting through local wA destrict freight by Ibrough trainej rrodvithents mestnogo i uchastkovogo gruza transitn"i poesdoo- mi. Moskva, Gos.transp.shel-dorAzd-vo, 1957. 41 P. maA lo:6) (Railroads--Freight) BIDAROV, Gavriil Vladimirovich; FOKAVKIN, Vladimir Aleksayevich; REZNIKOV, Konstantin Igna't"yO'vic-h;-PRMZ-v-' T.-IV., red.; BOBROYA, Ye.n., tekbn.red. LAdvanced practices in train routing; practices of the Shakhty Section of the Northern Caucasus) Paredovoi opyt marshrutizataii perevozok; iz opyta ShBkhtinakogo otdoloniia Savero-Eavkazakoi dorogi. Noakva. Gos.transp.shel-dor.izd-vo. 1959. 33 P. (MIRA 13:1) (Caucasus. NortherrL--Railroada--Management) POKAVKINI V.A., kand.tekhn.nauk (g.Rostov-na-Donu) I . Advantages of routings in groups. Zhel. dor. transp. 43 no.7:41-43 j1 161. (MIRA 3-4:7) (Railroads-Makiz4f lap trains) DODONOV, Ya.Ya.; BORZOVA, L.D.; KOLOSOVA, V.S.; ~Q T&V5MYA,.-,V..S. Using manvanese dioxide for the removal of hydrogen sul-fide with a consecutive recovery of sulfur. Uch.zap. SGU 75;22-25 ,62. (MIRA 17:3) DODCNOVY Ya. Ya.; BORZOVAL, L.D.; KOLOSOVA, V.S.; POKAYEVSKAY-A, V.S. ... ... .- - Pyrolysis of oil shale tar under pressure in the gasification of the Volga Region oil shales. Ispoll. tverd. topl., ser. maz. i gaza no. 5t238-246 164 (MIRA 19:2) DODONOV, Y&~Ya.;.BDRZOVA,-.L.D.; POKAYEVSKAYA,.N.S. V~ ~11--- SynAesis of a dr"e'olin-t)Te preparation-f-roz-Volga shale oils and its' use in.veterinary medicine. Uch.zap. SGU 75:20-22 162, (MIRA 17:3) POKAUNOV, A.1h.. inzhener. Pi,oblems of organizing rhrthmic work in locomotive repair Bhops. ;Sbor.trud.Akikd.zhel.tranap.no.4:177-194 '56. (MLU 10:2) (Locomotives--Repairs) POKAZANOT, A,1hA_jpshsn*r (g. Svieftlovsk). Shortcomings In the water heater mixer on 7D locomotives. Zhel.dor.transp. 39 no.6:76 do 157. (XLRA 10:7) (Locomotives) POKAZANOV, A.D., dotsent (Sverdlovsk) Introduce continuoua operation plamin in repair Plants. Zhel. dor. tmneP. 47 n0.503-75 Itr t65. (MIRA MO POKAZM'LYQL,_&I~ksandr Arkadlyevich, zhurnalist; BOROZDIN, Ye.A., retsebzent; K)UMNIKOV, P.I., retsenzent; BAUNUTOVA, V., red, [The city where I live] Gorod, v kotorom ia zhivu. Sverdlovsk., Sverdlovskoe knizhnoe izd-vo, 1963. 71 p. (FJM 17 - 6) 1. Plavil'shchik Sredne-Drallskogo medeplavillnogo zavoda, gorod Revda (for Pokazantyev). 2. Sekretarl partiynogo ko- miteta Sredne-Urallskogo medeplavillnogo zavoda, gorod Revda (for Kh:Lebnikov). GOUANOV,M.G., prepodavat . P--,KAZAIIIYMI, Aleksandr, ADId'OV, V.V., hand. nau-lf, ret~~e~ze,,~f~ ~113 ,, ~Ir_nd.~jst.naauk, retsen- zent; BUROMIN, Ye-A., r--~,! ZWWA~.OV, S.T,, ~ed - Ye I - - ~iOGOZHK]2j,, j,'jI.,, rtd,,- SIMISKIM, T.P.9 ;,d.; TViii6, red. A.1,,'., red.; 1"CLOS,NITSY.11, V.., redaktor; 1.ILI*,HSB4MII', E., tekhn. red. [Revda stories; from the history of the Revda Hardware Manufactur- ing and Metallurgical Plant]Pevdinshie vyli; iz istorii Revdinsko- go metiznometallurgicheskogo zavoda. Sverdlovsk, Sverdlovskoe knizhnoe izd--vo, 1960. 154 P. (14MA 15: 8) 1. Sakretarl Revdinskogo gorodskogo kon-iteta, Komnunisticheskoy partii nov tskogo, Soyuza (for Silenskip). ?Aevda-Metallurgical plants) .,,PO,KAZPJiIYEV,.Aleksandr~krkadl.y~evich; POPOV, A.D., red.; PRIM-AKOV, Ye.M., red.; NOVGORODOV, A.T., st. inzh., red.; M.I., red.; GETLING, Yu., red. ['Law of the sea"; a documentary tale] "Morskoi zakon'l-, dokumentallnaia povest'. Sverdlovsk, Sredne-Urallskoe knizhnoe izd-vo, 1964. 56 p. (MIRA lgz3) 1. Sekretarl partiynogo komiteta Sredne-Urallskogo medeplavill- nogo zavoda, Revda (for Popov). 2. Nachallnik otdela truda I zarabotnoy platy Srodne-Urallskogo medeplavAllnogo zavoda, Revda (for Shan'shurov). 1,40695-65 EMIT pr-4 TjP04 AcassxoN n: Ap5ook)22 8/014 /007/006/1106/1110 G.'Y; AWMORr Skrotii~~' *,--Pokazanlyev, V, G. 3 TrM: Energy spectrum of the 2 81 state of He in ar. arbitr ;7- SOURO: IWZ. Radiofizik4,, V. 7) no. 69 1964, lio6-ino TOPIC TAGS: heliuAnergy spectrum, metastable state, transition frequency, Zeeman BPUtting PBSTRAPT: To facilitate the: study of the atomic structure and spectrm o10 He and He4 atmo by the nethod of optical orientation, the authors investigate the energy Wetrum of the metastable ground state of He3. The energy of the magnetic sublevels of -the 23s, state of the He-', atom in an arbitrary magnetic field are first calculated by determining the roots of the secular equation of the corres- ponding Hamiltonian. The results axe shon to agree with the expressions obtained by N. F. Ramsey (Molecular Beams, [RuaB. Tranol. ) ILO -M. 1960). The frequencies of the allowed tra:nsitiona between neigbboring Zeeman sublevels are determined and -shown tbat the frequencies of the transitione between the sublevels of the i s Coid ~X" I-i-l;~-1,1~1--~s-~,~,~~~:~:~Z~,:~~,,~7-1~,-. L 'AP5666on Z,81. ground. state ~vith a magnetic field on the etic moment F 3/2 and 1/2 in oraer of ~ 1- Oe Iie7 ajpproximtely in the regions 1. 9 and 3.8 Hes, respectively. 2he same equations can be used to determine the intensity of a weak magnetic field from the measured transition frequency. It is shown that four resonant lines should be observed In a weak magnetic field, and the expressions for their fre- quencieB are given. A simple expression convenient for an experimental determina- tion of the hyperfine uplitting constant, is also derived. Orig. art. has: 24 formulas. ACC NXt AWOOO,534 SOURCE CODE: UIR/036b/bb/004/010/0593/039t ;'AUTHOR; Novikov) L. N.; Pokazant;rev, V. G. ORG: Ural Polytechnic Institute im. S. M. Kirov (Ural,lakly politekhnicheakiy insti- tut) TITLE: -Parametr c resonance in an effective field SOURCE: Zhurnal eksperimentallnoy i teoreticheakoy Miki, Pis'ma v redaktalyu. Prilozheniye,.vo 40 no. 10, 1966, 393-396 TOPIC TAGS: perametrie.resonance, magnetic resonance, spin resonance, magnetization, dipole interaction ABSTRACT: The authors report observation of parametric resonance ii) a spin system a,cted upon by an effective magnetic field He = MO - W/7)2 + H12)1/2 (it - constant field,, HIL - rf field, w - frequency,, 7 = gyromagnetic ratio). The masurements were aimed at checking on the theoretical conclusions that can be drawn from the Bloch equations regarding the transverse and longitudinal magnetization components. 7he .133 room temperature, using experiment vas performed on optically oriented Cs vapor at an experimental setup similar to thpt described earlier (B. Cagnac, Theses, l'Univer- site de Paris, 3960). The condition to - yHo = 0 was satisfied. The field amplitude H.I(t) was modulated by an audio-generator with continuously variable frequency. The resonance s4gnal was obtained from the change in the depth of modulation of the in- tensity-of ligbt passing parallel to HO through the cell. Resonances were observed Card 1/2 L lo946-67 at 960) 4W., and 320 Hz) corresponding to we/2yr, we/I;ic, and (,De/6jr at the given ampli- tude of the rf field. It is shown that the observed resonances are characterized by . a very small line width., approximately 60 Hz, which typical of parametric resonance in which there In no saturation, Orig.art. has; 2 figures and 2 formulas. SM CODE: SM DAMS:'~ 04Aug66/...- ORIG RMP:'~ 002/ OTH IW: 002 %; A 2, M '40 Card 2/2 - LMn6-65 ~"117vIvEWT(n /T /E*."'P( t )/---;-'C (b )-2/z'.~;'F(b P,--- P(C) JD ACOSSION M: AP5006023 S/0141/64/W7/Oo6/1LU/1= AUMM: Skrotskiy., G. V.; Polumanlyev,, V. 0. jon in He3 L=: Contribution to the theory of pktical orienta+ T SOW=: nM* Radloflzlks, V. 7., no, 6, 1964, 1111-33-21 WPIC Uw: --helim~;Rqptical orientation, level transition, resonwt frequency, magnetization intensity, oriented atom ABSMACT0- 2hin Is a caqmion to a paper by tbe same authors in the same source (Izv. wssh. uch. zav. - Radiafizika v. 7, 1106, 1964; Accension AP50060222), and Is devoted to a discussi of some features of qptical orlentevion of meta- stable atme of HO in the 2 state; The belil= is zitueted in an arbitrary n '43 tZ r - w 3. DIM :'.Wduted-ibr--1iw1- Alid- 14 "Pno--, 1~requency betueev tbe - 236 ' 1 i of orthohelium are de- l ,2 tenzdmed by caloulating the signal and mngnetization of the optically orlented helium atwo for both polarized and unj)o1arized 3.i&b pr,-pa2atir alon g _g the di- rection of the wVnetizing field. It is shown that in the case of the 2331-- 23p0 63iolf-6- &-1T (1) IJP.(o .ACCESSION KRI-, AP3019M- ~UR10056165104910011016310169 okazan;Yev..V- Q. Skro AIMOR* !E.~tskikj G.N. TITLE: Itadio'optic'. ance, reson o f atoms in ntron C~dk_,q4 SOURCE: Zhurnal- eksperimentalln.0j teoreticheskoy fiziki, v. 49, no. 1, 1965, 163-169:, ~oplc TAM-, _1:*rad~o9ptic,resonance,, fluorescence% 'in tensity, double resonance, cadmium ~atom,- hyperfine structure, magnetic field,. rf field ABSTRACT: An-expression is derived for the intensity of the fluorescence produced 'when',microiwave and radio-frequency fields are applied to a system of excited atoms in, a state of radicopt ic resonance In a strong magnetic field. 'The time evolutiol~ of the system is analyzed with the interaction between the atom and the radiation .-Ifieldtaken in-to account in the Hamiltonian of the system with first-orderpertur- _,lbation-tbeory accuracy. The analysis shows that the fluorescence intensity changes! appreciably when -the nuclear resonance frequency is approached. The results are [compared with experimental data on gaseous cadmiwn and it is ahown that radiooptic resonance can.be used to investigate experimentally the hyperfine structure of 1 atoms iOrigac: arti.,- has: 1, figure and 32 formulas. 1021: ASSOCIATION Ural skiy politeklinich6skiy institut .(Ural Polytecbniq Institute) OP POKAMYEV, V.I. Rismann-Carlemants problem for a class of general'-zed analyti,- functions. Izv. AN Kazakh. SSR. Ser. fiz.-mat. nAuk 3 no.1-72- 81 Ja-Ap 165. (KRA 18v5;~ POKAZEYEV, V.1. A rapr~centatlon of gonorAlized anAlytic automorphic functiotis. Dokl. AN SSSR 155 no. 3:528-531 Mr 164, (MlRjk V t 5) 1. Predstavleno akademikom I.N.Vekua. 7v= U Canrlem.:"i 11 -J, 7,~ uch. zap. 1,,--z. ur. 63. a funda,..r~n~al il-ollyj~:,c~ I li'li, bowt V"i It.". cc"), !'!(,".:.zll -65 an edc-e. ll'id.-VI 'POKAZEYEV., Yu.,, starshiy konstruktor Guard rails of nev design. Rech.tranap. 20 no.6:35 je 161. (MM 1410 1. Vladimirskiy sudoremontnyy savod. (Freighters) Z'a-v. (W'RA 1-7 ~ 5