SCIENTIFIC ABSTRACT MARTYNOV, YE.D. - MARTYNOV, D.YA.

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December 31, 1967
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SCIENTIFIC ABSTRACT
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BERESNEV, B.I.; BULYCHEV, D.K.; GAYDUKOV, M.G.; MARTYNOV_,__Ye.D.; RODIONOV, K.P.; RYABININ, Yu.N. Closing of pores and crackB in copper during extrusion with a high preseure liquid* Fiz.met. i metalloved. 18 no.5:778-783 N 164, (MIRA 18:4) 1. Institut fiziki metallov AN SSSR i Inatitut fiziki Zemll AN SSSR. Irl 9 _8 0 iji'li tv 10~6*` bLA 777777.".-,:~ Ili ' ' ' - a or, --~D. --loot -,no ra pt eon be Jeff uc xa., 6 O-u-r a stvp`~-t AVA AMA: to is v ~`Ml I o V Ila -4v 0u J-, 7v UC un WrAtura .. ... . ...... ... L 2 1~""-EWT(ai lip(c)-, JDANIGS. Omp _~ _.~,_INR* AT601 571 SORCE CODE: UR/0000/65/000/000/0004/0028 AM 0 M 1oVJ' Y6 Do Ve resnev, B. I.-. Buly6hev, D.-K. Rodionov, K. P Jq 134-1 ORG: Institute of. Physics of, the E1rJb4AN.SSS& Moscow (Institut fiziki Zemli AN SSSR)T, - InstitsAe. of Physics of.Nftal%M SSSR, Sverdlovsk (Institut fiziki metallov SSSR) TITLE: Effect of hiph vressure on ductility d fracture of metals Ir SOURCE:- M UkrSSR.. -Nekbaniza. plasticheskoy deforwiataii metallav (Mechanism of the plastic deformation of metals). Kiev, Naukova duuJca, 1965, 4-28 70PIC TAGS: pressure effect, material fracture, crystal defect, yield stress ~~.2'.ductility ABSTRACT: -The effect.of pressure on ductility of metals is studied from the stand-! pointof origin and developmentof flaws in materials subjected to deformation. The spe mens were placed4n:a chm"r (cylinder) and subjected to high hydrostatic press ure fiollowe6by tensile fbroe Q,(oee figure). Several types of metals were; -.studied. ForwAaas -are givenfoi critic"tresses and pressures in cases where the'.- - E~_ -1L 2,446S."4. I-I'AACC NR: AT6010571 0:13oznt action'of plastic deforwation and high pre 8 dary. changes in ssure caxm%l secon _14p1h e, metal such as r1ecrystallization, phase transformationsiDetc. It is shown that .Zhi pressure retards or completely suppresses the process of crack formation during de ormation. Healing of flaws during deformation of metals under high pressure is w may be completely closed by the application of discussed. -It is found that..a fla ekiermal pressure only when this flaw has an infinitely thin wall (i.e. when it to4ches,tbe-outside surface of the specimen). Otherwise infinite pressure is needed to heal the~flaw. Theoretical analysis shows that extremely high pressures are nec-~ for healing flaws even when pressure and deformation..are combined (several of magnitude greater than the yield stress of the material). However, exper": ;,U~; ailment ehow"that tme,conclusion does not correspond to the observed facts. The son lbr_ thi'sAis"crepancy is that the anisotropy of actual polybrystals is disre-~ AArded ~ihe theoretical calculations- Experiments combining the effect of pros- n. awe-.and deformation showed that flaws are noticeably closed by pressures of the same cr4er- an'the stress of the material. The differences between the behavior of *d~ solid and an-actualan i th 4a sotra~ is I anine maierial ear* C 9trap clolymst -4 1b) e 46, t ea, t- a ~ P r 0u r 0and def*i%&ticw,-Are'- analyzed. :0r1jii.'aAi hiss 15 figures, R, 41 0 i i i I ACCESSION NR: AP4010755 S/0020/64/154/00110086/0087 AUTHOR: Livshits, L. D.; Ryabinin, Yu. N.;.Beresnev, B. I.; ~~ov, Ye. D. TITLE: A new relationship between the elastic limit and pressure SOURCE: AN SSSR. Doklady*, v. 154, no. 1, 1964, 86-87 TOPIC TAGS: elastic limit, high pressure metallurgy, axial tension of materi- als, rate of deformation ABSTRACT: The authors have investigated the elastic limits of various steels and of brass under high pressure. The ir rftethod of investigation differs from that previously used by a very high rate of deformation. The elastic limit E (the natural logarithm of the ratio of areas of the specimen cross sections be- fore and after rupture) was measured as a function of pressure ~. In the pre- vious work (mainly by Bridgman), a proportionality between E and p has been Cord 1/2 ACCESSION NR: AP4010755 found in many metals and alloys. It is shown in the present work, that in some materials there is a relationship of a new type between E and p. At lower pres- sures. there is almost no effect of p on E. The rate of axial deformation has no effect on the dependence of the elastic limit on pressure. Orig. art. has: 2 figures. ASSOCIA77ON: Institut ftziki Zemli Im 0. Yu. Shmidta Akademil Nauk SSSR (Institute for the Earth Physics). -SUBMITTED: 05Apr63 DATE ACQ: l0Feb64 ENCL: 00 SUB CODE: PH, ML NO REF SOV: 003 OTHER: 001 C0,d 2/ 2 -d A .1AWr iw AN 7L r06 ti4l* 006411 M, -4iod" ji ir 'Tim by uo vu mass= WNW a 6D26 its- e V 1. 09527-.67 i.-,,aT (m)/C'VP(Q/LT I/, .'NP (k) IJ 1) (C) I-Dw/ju/lvi ACC NRI AT6023743 (41 IV SOURCE CODEs UII/2755/66/ooo/oo5/o173/oia8 AUTHORt Kar~zov, Yo. D.; Borosnev, B. I.; Bulychov, D. K.; Y6yst3T~LhLn,4__~K*j_ Rodionov, Ke -F,; Hya inin, . Yu,_ N, j 'ORG: none L/ ITIEs Apparatus for the extrusion of motals_usin&__a_jkigkpressure, f-luld OURCE: Moscow. Inzhenerno-fizichoskiy inatitut. YAotallurgiya i'metalla vede n1ye 6hiatykh meta2lov,-n-*.-5-.--1966;-173;--188--- OPIC TAGSt metal extrusion. high pressure exttrusion, hydraulic fluid ABSTRACTs The article gives design details of an extrusion apparatus of the the type shown in Fig. 2. Card ~-09507-67 CC NR- A76023743 r4h 0. "-loom Fig. 2. Sch2me of extrusion unit for pressure up to 12,000 kg/cm . I-reservoir; 2-hydrocompressor; 3-M container; 4-electric furnace The unit consists basically of a container connected between a reservoir and a ocompressor, and a liquid-gas accumulator (not shown in Fig. 2). The article also 'LC.~d 21) L 09507-67 ACC NRt AT6023743 .:gives detailed drawings of the extrusion die and the container. It then rxissos on to a theoretical consideration of design calculations for high pro5suro vosso1z. i Calculated results show that stools E1643, 451(hNl4FA. and 15KhZGN2TRA are suitablu imaterials for fabrication of high pressure vessels, while with a vessel wall thickness greater than 100-120 mm, steels 33KhNZMA and 30KhGSNA are preferred. For work at temperatures from 300-5000C, steels 3Kh2V8, 4OKhNMA, 23Kh2NVFA, and others can be used. "The work was done by coworkors of the Institute of Earth Physics AN SSSR (Institut timiki Zemli AN SSSR), Moscow inghenergo-fizicheekogo institut), anc'Flnst~i-t-uf-e-of-T-9fa~ys~:fjF-AN-SSSR (Inatitut ifiz:Ud metallov AN SSSR)." Orig. art. hiit 10 formulas. 5-figures and 2 tables* SUB CODHs n 4-3 F.=/ SUM DAM none/ ORM MFs 009/ OM MWs OD2 . ) KT,~ Ilk t"', ~' - -- 0 " MATVB-jWV,, A. K. and MARTYNOV.. Ye. G. "Fropagation of Ultrasound in Coals." report presented at the 6th Sci. Conference on the Application of Ultrasound in the Investigation of Matter, 3--( Feb 1958, organized by Min. of Education RSFW and Moscow Oblast Pedagogic last. im N. K. Krupskaya. 24(l) PRASS I WON RIPL401TATION SOV/3150 WeeMalystrayn konforentalya pruffemorov I propodivateley pod&90- glebeeklith Inetttutov PFUWnenlya Ul-tr"kugtlkt it tooledovanlyu veahchestvs; trudY kon- ferentsit. Vyp. 7 (Application of UItr43OnlC8 for Analysis of 3ubstanees; Transhatlons or the All-Russian Cmforence, of Pro- fessord Wid Unchors of Pedagogical Institutes, ar 1) Moscow. i nted. lad. On, 1958. 283 p. 1.500 copies pr Toeb. Ed. 1 3. V. ZhLt&vj gds. i T. F. Notdrov, rroressor. and S. D. Kudryavtzov. FVRPWXs This book to Intended ror physicists, technicians, omro- nautical engineers And other persons concerned with ultrasonics. COVERMi The book contains twenty eight articles whIch treat ultra- sonic phenomena In five gon*ral categories: 1) historical data an the developownt of ultrasonics In the 3oviot Union over the past forty years; 2) the speed of sound to xu~zpeoaionm or varying concentration and number and type of components and the relatlon- ship between noun velocity jpd__tk~ cozzprea~jt;'.~ItY ofelearoly-ea; 3) ult re M It invest1gattona of physical and chemical propert!ea of Ierz:la And the determination of physical and che,mical con- Stautd, *. g. density of aqueous solutions, adiabatic co.prozal- blIlt7, solarlty of noluttons (with given toapw~.tures), v1so;alty, aurrace tonalon. saturation pressure And Aldo ultravonle Investi- gation of tt-A carbon content and petrographic a-ate of coal; 4) Industrial applications of ultrasonics, a. g. e=uIalfication of reagents. cleansing of teKtilo fibers and ennncl, `g the sucepti- 11111ty of Dome synthetic fibers to dyeing, etc.; and 5) apparatus which produce ultrasonic waves. No personalities are mentioned. -.29forencei, acco!op"_y jac.h.article. Mikhayloy. 1. 0. and I, P_ S i~gv Tnie rrbie~z or the CooprossIbillty or Solutions of Electrolytes 65 V. ClorrichKo, In- on rlo .' V A --J,_ I nd q O ht ~ _ C .tich . he Ic. -Properties of Aqueous . Icaland M t:V, j was Notion 0 the y;3~ 3olutlons of Blmothyl Fornamido Ln the Temperfttur~_ interval Pras 20 to 90 C With the Ultrmsonlc and Other F4*b-4a T5 Otpushchenntkov.JL- F_ Inv stigation of the Speod of Ultra- and Hy:oaulflto In the Rang. of Ph.d. found n __Revervals of the First Order 91 _Q3idchiv. A~ P_ rho Popendency of the Aba'orprjon of Uljm_-_ sound Upon Ito Intensity 102 Tn* Use Or Ultrasound to Create Periodic 105 and - Some 11- Va ~tostrlc- - Tie. )14terra Ta III 3-inflIhIna A Y- Ultrm,~I, P&,h-d Of D-terolning the Of Plastic Llq~ld. 121 -Orlvhln A P Ultr,so.1c Xothd or In ... tigatirg th~ t LrWiil fzati~- Process of Parafinic Petroleum Pro~~cts 127 Ketvoyev A X And le. 0. P~rtyhov. SP~~d Of P-;,%gatlon - or 135 . g1rillov 0 D E-14ifIc-tt-n of Flotation by - ; 1 Ultrsson a, . a c 143 Ore 3h~ay~ K_I__ InVqottg~,.n f. tn. SrreTt '-nd Rnd 111trado d un on the Physical and Hyglonle Durln& Purlflc.ti.. pr.ced. Fropc--_-;z FIb." 149 GQrYachk-.Q. v., is. A-Daltril-a and 11 '- -1 1 Wrl . . PPIlcAtion or ulirdoot d 1%,In9D ein y g ~f P~1;1_ Fiber of the 'Xttro.. Type 161 AUTHORS: Matveyev, A. K., Martynov, Ye. G. SOV/2 o - 12,- - TITLE: The Dependence of Irfffaaonic Velocities in Coal -,n t,.e morphic Grade (Zavisimo st' skorosti ul'trazvuka v 1skoi,aye:..,-,_.,i uglyakh ot stepeni ikh metamorfizma) PERIODICAL: Doklady Akademii nauk SSSR, 1958, Vol 122, Nr 5, pp 4Y1-4~-' (USSR) ABSTRACT: The methods of bordering sciences are being applied more and more in the study of the physical and mechanical properties of fossil coals. Through such methods questions pertaininf, to the changes in physical properties of coal in t~,e 1:~.-,nite, bituminous coal and anthracite 2eries can be answered. The authors have studied bituminous and anthracitic coals by means of ultrasonics (Ref 1). The purpose of this :3tudy was to determine the variation of ultrasonic velocities in coals of different composition as a reflection of their metamorphic grade. For this coals from the Donetskiy basseyn (DonetsBasin) were used. They were selected from beds with differing degrees of deformation from a depth of 300 to 500 m. Before the grade-velocity relationship could be Jeter.,,.in- Card 1/3 ed, the influence on velocities of petrographically Jeterrmined SOV/2o-122-~-5tl '1'5 7 The Dependence of Ultrasonic Velocities in Coal on the Metamorphic Grade components, of the intensity of deformation, and of o-f.er factors had to be studied. Figure 1 shows the dependence of velocity on volatile con- stituents in bituminous coal. An arithmetical averaCe of velocities (C,, and C,) and the coefficient of anisotropy of different coals is shown in table 1. On the basiq of the foregoing study the authors offer the following conclusions: 1) The sonic velocity in bituminous coals is primarily de- pendent on the metamorphic grade. The variation of velocitv parallel to bedding is defined by an asymmetrical parahola, Minimum velocities as shown by the curve occur in fat coals- The relation is similar to that determined by van Krevellen (Ref 4) for vitrinite. 2) The coal is acoustically aniso- tropic; the propagation of elastic waves is faster ' arallel to bedding than perpendicular to it. The lc.west measure of anisotropy is found in coals in the middle part of the lignite-anthracite series. 3) The velocity curve which actuL.1 ly represents elastic properties of the coals confirms to some extent the sug,-estions of earlier authors "Refs 2: : ' that in the process of metamorphism a fundamental structuraI Card 2/3 rearrangement takes place in the medium---rade coals. T';ere L ~ SOV/2o-122-3-5fi, -I! The Dependence of Ultrasonic Velocities in Coal on the Metamorphic Grale are I figure, 1 table, and 4 references, 3 of which are Scviet. ASSOCIATION: Moskovskiy gosudarstvennyy universitet im. M. V. Lomonosova (Moscow State University imeni 11. V. Lomonosov) PRESENTED: May 12, 1958, by A. G. Betekhtin, Member, Academy of Sciences USSR SUBMITTED: February 23, 1)57 Card 3/3 Alr k' I."%-PLO;TAT,(I'%' SOV/:~~44 konferentsiya pr~~fo!,.Rorov i prvi-dav,"Irl"y pedagc,i,irti. ln:-~ itutov primv!wmye U!, vyp. 10. ftltihz.;,~Ion E,i~ V F Ncjzdr(,v, Profcssor, arrI 15. 11. Kwjrv.--tst-v, Pro~-_, .:-sor. ...... i~z 1Iitt,n,jt!d f,jj- phv,_~Icjsts and eni~in~crft tril,reotod :.I C o 1:7! _%. C; 1. ri~- in the ... .... ) r T!. Cie;, No persunalme;3 are mentioned. Iti-ferpnces accompany ineividual articics. Card 1,;~ Utilization of Ultrasonics (Cont. ) SOV/5644 Martynov, Ye. G. , and A. K. Matveyev (Geologich. fak-t MGU - Geology D-ep-a-Mnent of Moscow State University). The Acoustic Anisotropy of Mineral Coals in Different Stages of Metamorphism 147 Cherchenko, G. V. , V. M. Nikolayev, Ye. T. Bezrukov, and V. "'. Belousov (Giprovostok neft' - State Institute for the Design and Planning of Petroleum Industry Establishments in the Eastern Regionsj. First Results of the Use of the Ultrasonic Method in Determining the Saturation Pressure of Stratified Petroleum in Sredneye Po-volzh' ye 157 Sa-.inikhina, A. V. (Neftegazobyy n. -i. in-t. - Petroleum Gas Scientific Research Institute). Ultrasonic Method of Determining the Temperature of the Onset of Crystallization of Paraffin 163 Mednikov, Ye. P. [IT] AN SSSR). On the Theory of the Acoustical Card 6 / 10 ---MARITNOV, Ye.G.; ROVEM, AK. Relationship between the degree of metaiorphism and the modulus of elasticity in coal. Dokl. AM SSSR 135 no.2:427-429 N 160. (MIRA 13:11) 1. MDskovskiy gosudar6tvennyy univeraitet im. M.V.Lomonosova. Predstavleno akademikom H.M.Strakhovym. (Coal--Testing) (Elasticity) (Metamorphism (Geology)) MARTYNOV, Ye.G.; MATVEYYEV, A.K. Using the ultrasonic method for studying the properties and structure of coals. Mat. Tem. kom. nc.1:93-102 '61. (MIRA 17:2) 1. Moskovskiy gosudarstvennyy universitet. MARTYNOV, Ye.G.; MATVEYEV, A.K. Ultrasound propagation in coal and sedimentary rocks. Prim. ulftraa- kust. k issl. veshch. no.114:11-19 '61. (miRA 14:1,?) (Ultrasonic waves--Speed) (Coal geology) MATVEY-Zvv A.K.; MARTYNOV, Ye.G.; MAZOR, YU.Re Zonaiity of contact metamorphism in coal. Dokl.AN SSSR 137 no.6: 1434-1436 Ap 161. (MIRA 14:4) 1. Moskovskiy gosudarstvennyy univervitet imeni M.V.Lomonosova. Predstavleno, akademikom N.M.Strakhovym. (Coal &ology) (Metamorphism (Geology)) MATVEYEV, A.K.; MARMIOV, Yc,.G. Study of coal by an ultrafionic m9thod. L~*,t. _i po1l. Iskop. no.2:11;9- 165 Mr-Ap 164. (1-1.1PA 17:6) 1. MoskovsPiy gosudarswenyrry uriiv,,,r 54 teat. VYSOTSKIY, I.V., otv. red.; KONYUHOV, I.A., red.; KUPRD, P.N., red.; MARTO red.; OLEND, V.B.., red.; LOPAThW,-L.I.', red. [Papers on the geology and geocbemistry of mineral fuel] Sbornik rabot po geologii i geokhimii goriuchikh isko- paemykh. Moskva, 1965. 257 p. (MIR-A 18:7) 1. Moscow. Universitet. Kafedra geologii i geokhimii go- ryuchikh iskopayemykh. X&MY]NOV, Ye. -----WAW8WMFMW"pWpWApMW Switch devices using semiconductor triodes. Hadlo no.11:48--49 N 156. (91-RA 9:12) (Transistors) L V 107-12-35/46 AUTHOR- Mart ynov_L_ Ye TITLE: Transistor Switchiag Devices (Last part of the article) (Pereklyuchayushchiyesya ustroystva na poluprovodnikovykh triodakh) FERIODICAL: Radio, 1956,NrL2, pp. 45-46 (USSR) ABSTRACT: Circuit diagrams and explanation of functioning of transistor triggers and multivibrators are offered. A two-transistor trigger circuit having one stable eqilibrium state is discussed, and parts data given for the pulse trailing gdge duration of 10-15 microseconds. Capacitor coupling between the transistors is consi- dered. Two-transistor capacitor-coupled multivibrator circuit Is described. With type nlE, nl)f( Junction transistors, and supply voltage 3-4-1. v max generated frequency is 60 kc; at 10-15 v - 150-200 kc. The malti- vibrator lends Itself easily to synchronization by an external source. E.g., with 1.800 c from the source the multivibrator gave a steady scaling factor of 25 despite changes :1 100c in the synchronizing frequency and :t 10% in supply voltage. f t A number of transistor trigger circuits having direct connections between the transistors am analyzed. For a reliable flip-flop operation 25-30 Lusec Card 1/2 signal Is necessary. With ty-pe niK and nl'>K transistors the maxirmim Transistor Switching Devices (Last part of the article) number of flip-flops per see is 15.000 to 20.000. Them are 8 figs in the article. AVAILABLE: Library of Congress lo?-IP-35/4--6 Card 2/2 STATI, NS ?,, COMMUN11CATITON SYSTEMS 'ITelei7rauh iev wit,. 'Memory'," by Ye, M. Mart.-M/)~-, Radi(!, N~) I(), Octn- bpr 19~7, or) 2q-29. DescriDti-)n oj' an automatic telegraph key, in zinicrj switc.-AnF ~Ie- ments norform-'nP the operat'r)ns of "and" and "or" an electronic memo- ry are lised. One of the fundamental elements of the key is a oulse venerator, the rpoptition frequPncy of which is established in accord- ance with the req ired transmission speed. The elements of the telp- t-raDh alphabet are formed with the aid of' thpFe ~)ulses, and the dura- tion of these elements is an integral of multiples of the intevral between two neighborilng -valseas. This makes it nossible for the key to effect a transmission that is close to ideal. "he circilit diagram. an,~ the vari .-is elements are d esc ri bed i n c )nsidprablp d,-tai I lard 1/1 - 33 - 9(2) 1 ;BOOK EX1i,G.!"ATI0N SOV/-1294 Martynov, Yevj~,-::,.~, 4-1 Beskontaktnyye ustroystva otitarti- Switching Devloes) Moscow, Gosenergo'Lzdat, 195~C. '-( 9 1) . (Series: maz3ziovaya radlohibiloteka, VYP. 316) 5000 printed. Ed.: A. G. Sul-,-It- Ed.: 6.1. Matveyie~,; Ed i t. I A. I. Bevg, F. 1. Bt1.-dt-ynyy, V. A. Rurlyand, V. 1. Vaiiti~~- N. Genishta, A. 111. Kanayeva, E. T. Krenkell, 1. S. Dzn1(,,',., Kulikovskiy, ti. D. 33-mi.-nov, P. 1. Tarasov ami V. I. PURPOSE: ThIs f'or, radio amateurs witn techo-1-a training. It nia.". r,e useful to engineers and COVERAGE: The i)~ j,i~lz3 wit,n the pr1n,--iples of' operatIr-ji c*, contactless rnanguc:ver switching dpvlces eqljll)ped with conductor arid magneric elements having a rectangzu.-- h_vsteresis P.-aotlcal c1r-,~ultry is presentf-d and Ca-rd 1/3 Contactless 3wit ijlng, 00V-11 drfs1gri of s,icr; together wil.11i as t-,c~ t~jt- are given. Tht, atithor, points to t.he advantages and ds-3 i-- vantages of Semi(IOnductur anti rriawriet- 1v (!()mr?r-)nent.s ana applicat1w. Ir! t-L.-t-iotil Nn pe are ment I ()j i- i .T1 ItW r'(- TS TABLE OF CONTI,'!-J., Introduction Ch. I. Swi t.:-W i.. t.1, Tvansl -it. ws Static t~l* juncl-l(m t vansJ st.(-)T,.A Trigger wlin ~~i-ates Trigger eil 'A. sou:-c- b 1 h,-3 Methods ,f* Trigge r. wl, I t, multivibv~l, Trigger w?,. ,atz Card 2/3 Contactless Switching (Cont.) SOV/3294 Conversion ring circuit Example of using switching devices equipped with semiconductor components In radio amateur practice 29 Ch. Il. Switching Devices Equipped With Magnetic Components 35 Characteristic of magnetic materials with a rectangular hysteresis loop 35 Delay lines and ring control boards 39 Control and commutation circuits 49 Delay lines coupled through transistors (ferrite triode circuits) 55 Device for sorting of magnetic cores 58 Pulj3e sources of current (blocking generators) 61 Sorting semiconductor devices 65 Example of combined application of semiconductor device s and magnetic elements in radio amateur practice 68 AVAILABLE: Library of Congress (TK-C-821,M33) JP/mrr.h Card 3/3 3-2-60 MARTYNOV Yevgeniy Mikhagrlovich; ZHIISYKO, G.I.g red.; BORUNOVp N.I., "*~j """i "~w t 9; ~. ~~. ' "~ [Electronic devices of discrete action) IlektromWe ustroistva diskretnogg deistviia. Moskva, Gos.energ.iod-Top 1960. IM (Massovaia radiobIbUotekap no,381) (HIU 34W, (Avitmnatic control-Equipment mid supplies) (Ilectronic apparatus and appliances) MARTYNGV, Yeygeniy Mikhayjovlch; POPOV, P.A.., red.; LAIUMOV, G.Ye., - tekhn. red. [Iloncontact switching deviceis] BaskontakUye perekliu- chaiushchie ustroistva. lzd.2., perer. i dop. 14oskva, Gos. energ. izd-vo, 1961. 175 P. (Massovaia radiobiblioteka, no.397) (MIRA 15:3) (Electric switchgear) (Switching theory) MARTYNOV, Ye., inzh, Automatic telegraph key. Radio no.1:45-49 Ja 161. 01,EU 1-4:c-,; (Telegraph--Apparatus and supplies) KOTOUSOV, L.S.; MARTYNOV, le.M.; STEPANOV, Yu.P. Separation of neon isotopes by the thermal diffusion method. Atom.energ. 10 no.6:632-633 #To 161. (MERA 14: 6) (Isotope separation) (Neoll""Isotopes) (Thermal diffusivity) I z -~J- itt' I.x -by P51K fooiii -Atibnis:~.wh t rappipis loll --~be-,~, m---f- ----pb -.0 [~"co er.- v Ahre _put-, a~ U~~r, 9' PC rmecte tcj~,- 3c fts oUt ti oralng ddJ~ay' ines--co d nvert the eFl-Ay 3:pa ipps or,,i mpa aoppns bri j-1 -A A. "77 254$46. EWTO)AW(l) likeY 0/8p :,:-ACC Wt,--AF6011202-_~ SOURM-00t- -!-ER/0413/66/000/006/0035/0035 jNVENTOR'. 7 AA;Z. g4W lz W"IN 35 K% _C1, 'idt, I I it OPZC*.~ TAGSJ--,f,`-~4di a re ivb PC d6nck w I ;This A or -8 ce" it, I f bc6t# Uc a vvfiich contains ice- pulsO:i gen"tcir unit -I,adesign-.~". -with rici reset -and;. a cadii, ''of pulAe during operation with*both synchronous and 4T A ;bd- 11mlift on splitting telegraph systems. The integrator 6oniains two coincidence circuits with the it "first Inputs connected to -~he cadence pulse generator and the second inputs con- -nicie~ the - &Teti and inverse outputs of a-paraphase amplifier. The inverse out- piA -of this. amplifier is also connected to the~lsst term nal of the first flip flop, the-direct output is connected to the set terminal of the second flip-flop- The reset circuits of reset. takidnali of the flip-flops are connected to the reciprocal d uts of the first and 6econ -k-the'firit,an second countqrs respectively. The outp d flip- 1 s. ars~ connected to the Abird Inputs of the first.and second coincidence circuits -tively and +he:owtPUts of the cc L Incidence circuit* are connected to the counter N I fi Al -V- 1--pam 2 Jlf er; and '3 f.10 pr 6 4 and 5-c i6 ti o Drs , 6-9--coincidencis . . . . . . . V 10 'ahd 11" Jay circults;rJ~-~oUt do put X, 'A. .4 Pt", _fJ OP T~ Q ' Y 1 . 4 DOW timll DATE9'~ 31J U163 OlUot- IMF ow ow 04~j 'Ap! t i" -- ~ ~.Z:.o --d Z. ~:~ I ------ -... - - - - -- , - - I - ~-:. -~ , I il Iz I -- - ~ : : : -, , , -, -f ~ . 1 .- - . -, : - . . -- ': . 4' , - ~ - '-~ 1, 1 -- : . '. . ,-'. -: , - k ~ , - , - .~ I : ~ , . - _--. !~ ~ , I , - - -. . - ff. -:- - , - - ~ ~ z BRODYANSKTY, V.M., kand. tekhn. naukj MARTYNIOV, A.V., inzh. Temperature dependence of the Ranque-Filsh effe.ct. Teplcenergetika 11 no.6?76-78 Je 164. (KMA 1817) 1. Mookovskiy energeticheskly institut. MRTYNOV, A.Z., inzh. Experience in the operation of GTSh cables. Torf.prom. 40 no.ltl3-14 163. ()URA 16t5) 1. Upravleniye top2-ivnoy promyshlennoBti SverdlovBkogo soveta narodnogo khozyaystva. (Electric cables) IwITY1,mv, B. A. PA 1 9T 91 USSRti'ransformers - Design Oct 19U,6 Transformers - Cores "Small Size Universal Coupling Transformer," G. V. Dobrovollskiy, I p "Vestnik Svuazi - Elektro Svvaz111 "o 10 (79) The author in cooperation with A. Martynov developed this light weiFht uni- versal transformer at the ~;cientific Aesearch Institute for Co,,T=nications. It is constructed of molybdenum permalloy an(' wi~i-hs around 100 grams. Another article on the subject by the same author ap.)eared in the No 2 (19~6) issue of "Vestnik Elektropromyshlennosti.11 19T91 KLEMOV. B., inzhener. 1, What kinds of piston motors should flying models have. 14-16 Ag '53. (Airplanas-Hodels Kryl.rod. 4 n0.8: (MMA 6:7~ ) 'RAPI&YEV, I.; IEREDINSKIY, H.; H&LIK, S, KARTYNOV, B.;GRIGOROYEVA, A., re- daktor; NUNTTAN, T., tekhniche;k', 0 [Flying models in the air; international competition of aeroplaze model makers in 19541 V vozdukhe - letaiushchis modeli; neshduza- rodnye sorevnovaniia aviamodellatev 1954 gods. Moskva, Izd-vo DOSALF, 1955. 103 P. (Microfilm] (MIAA 9:6) (Aaroplanes--Models) t I h!e c t USSR/Aeronautics Card 1/4 Pub. 58 - 1/4 Periodical Kryl. rod., 8, 1-24, Ag 1954 Abstract Three articles from this Issue have been proceSsed c.-n separate cards (indicated below). The remainder are no', considered of any special value and are listed only on the following Table of Contents: P A G E S, 1. For New Aviation Records, (Written on the oC~~asion of the distribution of rewards. a complaint about the inactivity of one center) A 2. Sazonov, I., Aviator Participants In e'llll- Union Agricultural Exhibition (Names of' two prominent aviators are mentioned). Photos 3. Smirnov, Ye., Alertness -- Our Weapon (A call for alertness in view of the possill-le imperialistic aggression. Several names cited as examples of outstanding alertness) Kryl. rod. 8, 1-24, Ag 19511 Card 2/4 Pub - 58 - 1/4 AID P PP. 4. Zamychkin, S., The Struggle for Altitude (A pilot's account of how he broke an alti- tude record on a slightly modified standaro YaK-18 aircraft), Photo 5. Petryanov, L., International Glider Cumpet'.- tion (Processed on separate card). Photos 6. Makarov, V., Some Problems of the Theory of' Glider Take-Off by Means of a Mechanical Hoist (Processed on separate card). Photos, diagrams, etc. P - 7. A Sportsman of Merit (Recent achievements of Yefimenko, V. I., glider pilot). Photo 8. How to Judge the Exercise: "Flight on Glider to a Desi~naU!d Point and Return to the Take Off Place 1i 9. Malayev, V., Competition of GlIder Pilots from 2 Districts. Photo 10. Tsuker, Yu., Engineer, Parachute Trainer (Processed on separate card). Diagrams Kryl. rod. 8, 1-24, Ag 1954 Card 3/4 Pub .58 - 1/4 P.ID P 11. Ivannikov, D., Community Instructor (Example of good instruction work in USSR schools). Photo 12. Tatsiturnov, V., Needle-less Carburator (De- scription and technical data). Photo, diagrams 14 13. Martynov, B., Engineer, High Velocity Free Flying Models (Elements of construction, auto- rriatic control, conditions of flight). Diagrams lL3-18 14. Bazhin, N., Aeroclub Helps Primary Organiza- r tions (Examples of the assistance given b, a local aeroclub) iEt 1 15. Akhmedov, S., Lessons for DOSAAF members 18 16. Aviation Sport in the People's Democracies. Glider and Modeler Records (Some recent achievements in Czechoslovakia, Roumanla and Tfungary) 1 j 17. A i i ia tuiii, P. ,11,000,000 km. (Bibliographical notes on Shashin, I. T., Pilot First Class) Photo t~ - 2 AID P KT,:;I. rod., 8, 1-214, Ag 1954 Card )+.IIL Pub - 58 - 1/4 PAGES 38. Sports Chron1cle (List of rewards) ~2 I in the Aviat4un Sport CommIssion (Confirma- tion of' recently established sport aviatAon r c, r-~ n rd s Aviation Calendar (Description of past Insert. (Construction plans of an aircraft model) Institution None I Jubmitted No date MARMOV. B., inshener, master sporta. Foreign airplane engines. Kryl. red. 8 ne.4:29-30 Ap 157. (Airp lane s-Ingi nom) (KUU lOt6) KAMN 0 B, ter sporta ---- a~- ~ Aroz4-, -,,.odel airplane buildern ef China. I:ry,.rod. P, nc.6:3t.-Il Je IC7. (I LR;~ 1-: '7 1 _h' na I - ~ - '.r-11 anes-- 1,'odels) GAYL?VSM, Oleg Konstantinovicb; RARTYND-V- B-B., red.; GRIGORIYLTA, A.I., red.; KARTAKINK, M.S., tekhn.red. [Model airplane engines; performance, designs, operation, forcing) Aviamodellnya dvigateli; doistvie, konstruktall, ekspluatatstia, forstrovanie. Moskva, Izd-vo DOSAILF, 1958. 255 P. (MIRA 12:1) (Airplanes--Wdels) UMML, Yurly Stepsuovich; MUMDWA, Tej., red.; MAItT Am. _70V. B.B., red.; IWITAKINA, M,S., tekhn. red. [Model airplanes for raoing] GonoobiW~ modeli oamoletay. Noskva, Izd.jvo DDSKV, 1958. 44 p. (KM lltg) (Airplanes-Models) KUK"IN, Vladimir Vladimirovich; IEFMOVA, Te.T.,red.; KWTNOT, B.B., red.; KARYAKINA, U.S., takhn.red. [Regulating and launching flying models] Regulirovka I sapusk letaiushchikh modelei. Koakva, Izd-vo DOSAAF, 1959. 103 P. (MIRA 13:2) (Airplanes--Models) KWTNOV. B., master sports Horizontal stability of flying models. Kryl.rod. 10 no-3:29-31 Kr '59. (Airplanes--Models) (MIRA 12:4) coo O ~o vl~ 1.1 0 C A is ~,c Mv *> o" O s ' 40 r g im a 0 ais 440 0 Ong o v C: 0. v u It U-1 I 04: it jam. t: 0:9 t, 13 r,7 MARTYNOV, B". inzh., master sports, Longitudinal strength of flying models. Kryl. rod. 1-1 no.i2:25-27 D t60~ (MIRA 14:3) (Airplanes-440dels) BOLONKIN, Aleksandr Aleksandrovich; YEFREZ-10VA, Ye.V., red.; MARTYNOV, B.B.,,z7ed.; KOROIEV, A.V., tekhn. red. [Theory of the flight of flying model.91Teoriia poleta le- taiushchikh modelei. 14oskva, Izd-vo DOSAAF, 1962. 311 P. (HIRA 15 - 10) (Airplanes-Models) (Aerodynamics) v MA RTv! * - "' I- 'nz),,, m~,ister aporta (Moskovskaya obla!it') 'fective method of hopping up engines, Kryl. rod. 16 no.6~29 Je 165. (MIRA 18,10) KA-'YSHEV, Nikolay Ivanovich; KACFU~-,111', Varat Bori~,ovich; '-.A~,.TYvNOV, B.B., red.; YK.;TE'C'VA, Ye.-,,., red. [About the YL-5 anc 1-0-2-.5 enrine-; fc,:- airi-lane mr)~,el makers] Podelistar. - o civi~-,al-eliak'ri 1~1-5 i 1,10- skva, DOSAAF, 19(,,~.- 38 F- Wl-~A J?:ro) Sw 810T6 A&I* . red.-sostavitel'i Prinimali uchastiye: GMOYANOY. S. I. '. GONOROVSKIT, P,A.; DOBRYNIN, K.I.; IgRKMOY, Ye.M.; KCRNKM, B.G.; KULAXOYA, A.K.; KURRATCFF, I.A.; LIKOY, YoN.; MMMiOT'._2.F.; MILOSEUM, S.S.; PZSHKOV, T.F.; SCKHRAIMIY, A.Y.; SMUROY, A.Ye. -. TOPALOY. Y.S.; SHAPOYALOY, P.P.; POPOY, T.H., tekhn.red. (City on the TEhial Gorod na TSne. Tambov, Tombovskoe knizhnoe lad-vo, 1960. 174 po (MMA 14:4) (Tambov--Guidebooks) MMTYNOV, B.F. Flelting ice loads on a.c. overhead contact systems without traffic interruption. Elek. i topl.tiaga no.8:8-9 Ag 163. (MIRA 16:9) 1. Nachallnik Rostovskogo uchastka enargosnabzheniya. (Electric railroads-Maintenance and repair) USSR/Che:aistry of Cclioids - Dispcrsed Syst,:~ms. Abs Jour Referat Zhur - Khimiya, No 6, 1957, 18(95 B-14 Author B. Title Influnc~ of Cco1Jng on Emulsification Capacity of Prot,2in,t;. Orig Pub Kolloid zh., 1956, 18, No 4, 443-446 1 stract A comparative study of the emulsification capacity of Ab non-cooled and cooled (down to -15 and -7201 case-in solutions (4 to 1C% by weight) was carried out by pre- pari.. p and analysis of heptane ere-asion concentrated to tl-ie It was showr that after a protractc,3 cou- lirr 7-. following heating to 20c, ~he ei...Lalsificatio!- 3f cas--ii. decreases, which is co;irected with thc ~rreversitle aggreg~~tion. Card i/ 1 - 343 - SOV/13-1-~,?- I- ii-! Translation from. Referativnyy zhurnal. Metallurglya, 1959, Nr 1, p 34 (USSR) AUTHORS: Voskresenskiy, R. M., Kaplanskiy, A. F., Karpasov, M. V., Martynov, B. P. TITLE: A New Compressor Aggregate for Blast Furnaces (Novyy kompressornyy agregat dlya domennykh pechey) PERIODICAL: Tr. Nevsk. mashinostroit. z-da, 19';7 (1958), Nr 1, pp 49-t"i ABSTRACT: Bibliographic entry Card 1/1 GDRffSKAYA. 2.D.; BARANOVSKIY, Yu.V.; BZUINER. H.S.; BRAKHMAN, L.A.; KUZNBTSOVA, U.I.; KALYAROV, L.N.; CHUYAN, K.I.; DOBRUSINA, Ye.M.; LSOliT'YZV, I.B.;-MA~RTYV~,,Aj -,ROSLYAKOVA, S.Y.; RUGAY9VA, stive DMITRtj V V.A.. Prinimal uc~ stiye DMITR , I.P.. STRUZHESTRAKH, Ye.l., inzh., red.; ALIKIND, V.D., telchn.red. [General engineering norms for cutting operations and time for broaching] Obahchemashinostroitellnye normativy reahimov rezaniia I vremeni na protiazhny#3 rnboty. Moskva. Gos.nanchno-tekhn.izd-vo mashinostroit.lit-ry. 1959. 73 P. (MIRA 12:12) 1. Moscow. Hauchno-issledovatel'skiy inotitut truda. TSentral'noye byuro promyshlerrykh normqtivov po trudii. 2. Rabotniki Nauchno- iBBledovatel'Bko.joinatitutLtakhnologiI avWmobil'noy promyshlonnoati (NIITavtoprom) (for all, except Struzhestrakh, 31'kind). (Broaching machines) YNGOHOVA, B.G.; KUZNETSOVA, V.Te.-, KUPFLIKHIX, V.J.;_MARTINOv, B.P.; RUGATEVA. V.A.; FRDOROVA, L.P.; CHUTAN. K.I.Ldeceasedj; SHTRUK' G.G., inzh., red.; GOWNYWA, L.P., teidm.red. [General engineering time norms for cold forging] Obshche- mashinostroitellnya normativy vremeni na k-holodnuiu shtampovku. Koskva, Gos.nauchno-takhn.1zd-vo mashinostroit.lit-ry, 1959. 151 P. (MIRA 13:7) 1. Moscow. Nauchno-iseledovatellskiy institut truda. TSentrall- noye byuro promyshlennykh normativov po trudu. (Forging) MARTYNOV, B.P., inzh. New powerful turboblower unit. Energomashinostroenie 7 no.12:29 D 61. (MIRii 14:12) (Turboblowers) MART , t i: - - ~ !4 "y , , , . . , - - I . ! , r, yt "! , ~! - t . - -.r.v~r. of shl,~ Pqullpi-~,#~nt. Mcra Ebcr. 48 no.:,-.:64- ,5 (1 1 ~,5. (tcR-~- -12-9) L -ii9m-66 -(d) mp(t) W)tW(b): E K.(M)/EM A A* Aid POOD1835 C OD URCEVOD E: Ult/0375/6i/mloi O/OM/0065 B~. YC (Seplor lieutennnQ wow Wl- ORG' IR e shields of ship equipment SWRCE: Mo abornw, no. 10, 1965, 64-65 "kay TAG& e a a water corrosion, corrosion p ~ptectlon, ship component -ABV7FLACT.:' Using the example of fast corrosion wear (after 20, 000 hr.) of the condensers of An. auxiliary cooling,device, the author emph izes the Importance of shields for the I sea-going,equipment (I th f the conde' ire - ntioned above, n _.iq+ase o nee me brass.. 1 -6ho Wd. be,covered by a- zin& amellar coating preventing,the galvanic -corrosi Imbe). The note further discusses the shWiling for welded joints and st6ii 666il stresses the Importance of firm electrical. contactsi and describes various, cases of corrosion as a function of the operating conditions of the propellers. Officers should always thoroughly explain to the crews the role, Importance, and ffect of protective shielding. AID - p- 41 Subject USSR/Aeronautics Card 1/1 Author Martynov, D., Major Title In a Difficult Flight Periodical Vest. vozd. flota 3, 25 - 27, March 1954 Abstract This is a description of an emergency landing(without visibility in a snow storm), on the home aerodrome the pilot receiving landing instructions by radio phone. Institution None Submitted No date D. ;,. I'll. -.. I I , : r: ... 11 1:1 1 ~ : !~ --t "-)-. ~--- i--.1 -,. ; I " - - ; - -., . I .. O-n i . . I ;~ i - , - , '. - i 11 .'. . . . .-' 7 -il, I -,. . I . : , - YEROKNIN, N.G.; I-MTYNOV D.I.: POLEETAYEV, V.F.; EFROS, V.V.; A.I., red.; DEYEVA, V.M.v tekhn. red. [Modernized T-28 row-crop tractors] Modemiziravannye pro- pashnye traktory T-28. Moskvap lod-vo sellkhoz. lit-ry, zhurnalov i plakatov, 1961. 279 p. (KIDU 15:2) (Tractors) lip, 'I : I -. . .1 1, r!z, -, " -I --I Ln.-I S -1 , , , ~ ~) - !-- ~ ~-. .. . I - , -'] ii . - , I 1-1 Sl- . , " I - I ~ . 1. . . ) D. Ya - 2. US.'IF (600) t, j0 ~.v A x t r t e ul '.'.h r c h 6&C f V h ti r, 40 T~er.ort ~- - '' ', .- ~ --ct !',ARIYN~ 1. 2. tFk)f "',erort .~f t e actlvltif~s --f t-.e Fn~e af Ci- iated with Fpz- n ."L---te ` niv, rs-A.y n. Direct r -f -.str~nomic~ oLservat-ry I- e-.1' Lnf~-~ . 4M 1~ p pc rt I - -' , . ~ Ccl, ' ',-I V/,DFYAF I . , !~ ~,T Y,: 11, , - . y L . 2. (60C) UkA. "Fine effects of ec i: sine. vr,-iracles", , - ~, ~j s -~, - _. . Eng- 1 lj-ar,~,, oLservtil.-ry -.* tte,! ~!!Ir ' 9. 1" I'leport I.- ~ 'ct MARTYNOV, D. Ya. "Progreas of Astronomy in 1942" Astr. Kalenclar', (1,~?47), P- 1,,9; Gor'kiy (1:-44)' t o -I, rs ~r -r wo 'la-eIrmO0.9 Pi :,-s MARMCV, 1). Ya. Martynov, D. Y;L. - "'.": Ozir- ~ c : ~, , " :-,~ -, - . ,- . v ~1, . ;I, ~ - ~: -- I I . . I I r~. ',- T~jj:; 'I, (L, t -j ~- - 1 7 . - - ', -'- I - - .. I - - I - - . I . 1. 1 - . . ) - KLRTYNOV, D.Ya. ff Cassiopeiae. For. zvezdy 6 no.5:291-292 Kr 148. (MIRA 12:7) l.Astronomicheekaya observatoriya im. Engellgardta, Raz"yezd Observatoriya blis Kazani. (Stars, Variable) jun 1948 Astra'actu Stare lar Decrease of the Mass or Stare as an Svo- nary Factor," D. Ya. Martinov, Astron Observe- Ineni V. P. llbge!l I gardt, 4 -pp Ak Nank SSSR" Vol LI, No 7 rs~ftwz by conputation that systen approaches point '~re axial rotation become slower than orbital revo- im. This vIll lead to Prevention, of tidal wave., to reverse process of tidal evolution. Submitt4d "Air 1948. 7&07~ I -AR'-M4'OV. D.A. 25269 IIARTli-OV. Vopro8y Leche,. iy,, (Sarvonro,-' zvol: , o-.- I f-,(.Iy Ganruny) (Kand. Dis-ertats-lya) S,.,orn-,k Trudov Gosrit. Y-h-rur--. Klinlki (7-r- , - ,., Yosk. Ee6. in-T). E. -1,949. 5. lcl-2_-',3 SO: Letopis' -0. 331, 1949 TV MV, D. Sciences Antrdn=W IbOPM 49 *seview -or iB - v. Lumkin and P. P. Parenago e - Rook., 'General Caftlogae of Variable Stars, PabIlshed by the AcadW of Sciences USSR in 1948.. a Fror D. mrtynovy ]Dr hVelcowth Scl, 2 pp "Astraw-ftar" Vol XM, No 3 i~wiwm vw7 ravwablp a runammental contributicin of MmIsteclentists to the science or variable xWlso with a valuable content. Work contains ~w; 15 pages or tables and Illustrations. T bi if 11 1, 44 00 Ai 00 Stamm -00 00 1000 11,11,111,111,11W 002,- 00 #1, Add 00 a 507 ISM Is AskiwAr AUMAO a Aw"00 9 0 Fi 0 a banal, t bradmw do Iwassin Ct IN- a A?. k) - u- wo OW ;Use -mw t 00 d6 Ow IF &W -W two swusawca hor 00 D(r) (ow fmo Me pbolcorpok gaagnkk4p jkw othu frurn the phosovwAW uagnitudn) can be 00 m+md fm vanows vshm of j%. ft coo... vakw for zoo 00 % bacis 'bat -bich Oves two kientwcil wahas for D(r). U. W. rwv'w~- Joe 73 .00 * :. a I a I t a tllf.&I~Nt L&k%IfKA1tO% to 0 9 lick. 4 - %100 414 9dal a u a 4, 6 I's craft fill No it 0 0 0 41 0 a o i -0 4q 1; lo 0 0 0 e & p 0 0 00 000000 00000 so Ole 0 so** 000 0 o f Rep ****so of $90*0000,46 0 94-1 11-L-LI, as a a a one tr 7 NJ a top &.t#P gl~ --- 00 a. 10 10'1~ .. ~.j hl C* o Aso. St. a WITALLUNGWAL UrINATURI CLAISWKSTSDP IL sloe %NIGRO J-( W-iii-iii too -W -6--. " ", 0, : 00 +0.-.o ego****** * 0 0 w 0 0 0 0 *so ***sees** INURTYNOV, D. Ya. (Frof.) Zditor "Astronomical 3ircuLar", No. 96/91, 4 Mar 1950, "ureau of Astronoinical Informati,-ri, AciderT7 of iciences USM, 16 pp. 1. MARTYNOVi D. Ya. 2. USSR (&00) 4. Merrill, John Ellsworth, 1902- 7. "Simple method for deter.idning systematic constants in eciipsing variables" LIn German], H. 3ch.neller; "Tables for 3oiution of Light Curves of :!,clipsing Binaries* Coefficient of Limb-Darkening x-0. 0; x-C. 2; X=O. 4; x=0. 6; X-O. 8" [in Englishj , John Eilsworth Merrill. neviewed by D. Ya. Yartynov. Per. zvezdy 8, No. 4, 1951. 9. Monthly List of Russian Accessions, Library of Congress, -1953. Unclassified. 1. MARMOVt D, YA, 2. UM (6W) 4. Astronmers 7. Nikolai Ivanovich Chudovichev, 1902-1951. Per. zvezdy 8, no. 4, 1951. 9. Monthly List of Russian Accessions, Library of Congress, May -1953. Unclassified. I 1. MARITINOV, D. Ya. 2. US&R (600) 4. Comets .L . 1 7. Observations of :-:nc!:e-Bac!-'-Iund comet '950e and Arend-Ri:o comet at the A ~ Engel'-ardt Astronomical Observatory. Astron. tsir. no. 11C, 19" 1. 9. Monthly List of Russian Accessions, Library of Congress, FebruarY -1953. Unclassified.I 1. MmITYNOV9 1). YA. 2. ussR (6oc.) 4. Astronomical Observatories 7. V. P. Engellgardt Astronomical Observatory 1901-1951. Uch. zap. Kazan. un. 111, no. 9, 1951. 9. Monthly List of Russian Accessions, Library of Congress, MaY -1953. Unclassified.