SCIENTIFIC ABSTRACT KOVALEV, M. A. - KOVALEV, N. F.

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SCIENTIFIC ABSTRACT
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10(3) PHAEE I BOOK EXPLOITATION SOV/3518 q G'm An noyi 'I Aleksandre Vasillyevna Belova, Natallya Mikhaylovna _~R=L&__an I V:L Gel"V= Lanilman c Rukovqdstvo k laboratornym rabotam po aeropzodinamike (Laboratory Prectice Manual on Aero-Gas~Dynamics) [Ieningradl Izd-vo leningradskogo univ., 1959. 175 p. 2,500 copies printed. Sponsoring Agency: Leningrad. Universitet. Ed. (Title page): I. P. Ginzburg,, Professor; Ed. (Inside book): N. I. Busorgina; Tlech. Ed.: Ye. G. Zhukova. PURPOSE'1: This'is a textbook for university students. It may also be useful to students of schools of higher technical education and to engineering and technical workers of scientific research laboratories. COVERMM: The book describes basic laboratory experiments in applied aero- dynamics and gas dynamics. It contains a detailed descripticn of 26 experi- ments, 14 experiments in subsonic aerodynamics (Part 1) and 12 experiments Card 1/6 Laboratory Practice Manual (Cont.) SOV3518 Experiment 8. Determining the aerodynamic characteristics of wings 61 Experiment 9. Investigating the effect of elongation on -~ae aerodynamid. 6haracteristics of wings TO Experiment 10. Investigating the influence of a wing's Bweepback on its aerodynamic characteristics 73 Experiment 11. Investigating the influence of mechanization of a wing on its aerodynamic characteristics 75 Experiment 12. Determining the aerodynamic characteristics of aircraft 76 Experiment 13. In,mstigAting the influence of desi&m parameters of a winged body on its aerodynamic characteristics 78 Experiment 14 Determining the serodymmic CIA'MWAati~a,'6f a wirig according..t6 pressure dis:iih Ion ' ' 80 PART II. LABORATORY EXPERDENTS IN AERODYNAlCCS AND HYDRODYNAMICS Card 4/6 laboratory Practice Manual (Cont.) SOV/3518 Introduction 9D Experiment 1. Determining the resistance coefficient A of a smooth straight conduit as a function of the 11eynold's number. Determining coefficients of local resistance 91 Experiment 2. Determining the drag coefficient of a diaphragm 92 Experiment 3- Unsteady outflow of a liquid from a reservoir 100 Experiment 4. Flow of water over a wide dam log Experirent 5., Investigating pressure fields, velocit~esjand temper- atures of a supersonic stream 113 Experiment 6. now of air in a conical conduit 126 Experiment 7. Determining experimentally the friction coefficient of a rectilinear circular conduit through which a steady stream of air is flowing 133 Card 5/ 6 Laboratory Practice Manual (Cont.) SOV/3518 Experiment 8. Supersonic flow over bodies of various shapes and a comparison of their drag.coefficients l4o Experiment 9. Determining the resistance coefficient and drag co- efficient of an axially *r=etric body at various Mach numbers 144 Experiment 10. Determining the resistance coefficient CX of a rhomboid airfoil as a function of the mach n=ber 149 Experiment 11. Determining pressure in a tank , as a function of time, when air is flowing out of it with various local resistances at the outlet 156 Experiment 12. kvdraulic sYjock 163 AVAILOLE: Library of Congress AC/fal Card 616 54-6o BELYAKOV, F.Ye.; BABIN, B.N.; BALI, Y.; BOROVKOV, P.R.; VODWODIF, I.E.; GUREVICH, G.M.; GORBUNOVA, P.I.; KOITNOV, A.S.; MANTAROVA, H.V.; USHIRS11TY L~ , A.Ya.-, KAZANCHEYEV, Ye.N.; LEKSMIN, A.F.; LSTI- CHEVSKIY, M.A.; LOPATIN, S.Z.; MIRSKIY, V.H., FODSWALOV, V.N.; SUBOTINA, V.P.; TAHASIYCMX, N.P.; FEDOTOV, S.D.; FISENKO, K.N.; ELIKIND, I.G.; BOVIN, S.S.; VASILIYEV, L.T.; DRINKOV, I.D.; DALE- CHIN, R.I.; DADAGOV, I.A.; YHRMOSHINA, V.I.; ZHUKOV, I.V.; ZIMIN, D.A.; IVANNIKOV, A.Ya.; KOVALEV, M.K.; LUGAKOVSKIY, N.L.; NAUVSKIY, A.F.; SEREZMKOV, V.K.;"'~~ V,- M.D.; SOKOLOV, A.V.; STEPANOV, V.I.; SAKHARIN, G.S.; SAVENKO, P.A.; SOLODOV, V.P.; UKEROV, Sh.Kh.; CHIKINDAS, G.S.; SHCBXRBUKRINA, S.N.: DYNKIN, G.Z.; LYSOV, V.S.; OSHEROVICH, A.N.; ROKITSIIISKIY, Z.V.; BRASLAVSKIY, H.S.; RUIMIKO, I.A.; ZEMOBORSKIY, M.S.; ZHDANOV, I.Ye.; SUSLIH, V.A.; BRUS, A.Ye.; VOLYNSKIY, S.A.; XLYUYEV, V.A.; ISTRATOV, A.G.; TIKHOMIROV, I.F.; BUTYRIN, Ya.N.; VOLYNSKIY, S.A.; MIIEYEV, M.F.; MALITSEV, V.I.; VIDETSKIY, A.F., kand.teklin.na-l-, glavnyy red.; DEMIDOV, A.N., red.; KRAVETS, A.L., red.; KLIIAC-.- .4.1., tekhn.red. LIndustrial Astrakhan] I'zomyshlennnia Astrakhan'. Astrakhan', Izd-vo gazety "Volga," 1959. 318 p. (MIRA 12:11) 1. Astrak-han (Province) Ekonomicheskiy administrativnyy rayon. (Astrakhan Province--Economic conditions) KOVA13T. M.K., inzhener. Two systems for controlling.conical cutting in the petroleum industry. Yest.mash. 33 no.4:68-73 Ap 13). (XLRA 6;3) 1. Byaro V~aimoz"/en~yayem6sti MS. (Petroleum industry-3quipment and supplies) (Screw threads) XMAL9V, M.N.; KOSTIN, V.Yee _: Control of thin plates with a lar& number of small-size holes in It. lzm.teldi.no-5:31-32 S-0 155* (MLRA 9:1) (Measuring instruments) Subject USSR/Engineering AID P - 4205 Card 1/1 Pub. 103 - 6/20 Author : Kovalev, M. K. Title : Analysis of Methods for Measuring Incline of Profile in Conic Threading of Ring-Gages by Castings. Periodical : Stan. i instr., 1, 21-23) Ja 1956 Abstract : The author provides results of tests in the accuracy of reproduction of threading angle in ring-gages and clutch-couplings. The castings for the purpose were made of gypsum copper amalgam, sulfur, sulfur with graphite, paraffin, and similar materials. He describes the design and construction of the forms (he classifies materials used in castings according to zones of dissipation) and states their rust-reBisting properties. Two tables, 3 pictures and 1 drawing. Institution : None Submitted : No date XOSTIN, V.Ye.; NOVAJZV,--X.X. I Instrument for measuring the shape of drawing holes in diamond dies. Izm.takh. no.4;24-26 Jl-Ag '56. (K= 9:11) (Diamonds, Industrial) (Measuring instruments) KOVALEV, M.K., Inzhener. Allowances for taper threads. Vest. mash. 36 no.8:30-33 '56. (MLRA 9:10) (Screw threads) KOVALEV, M.K.; KOSTIN, V.Ye.1 BONDARENKO, D.A.; GRECUMIN, A.I. Measuring minor aimensions. Stan. i instr. 28 no.12:27-28 D '57. (MIRA 10:12) (microscope) SOV/115- 58-5-6/36 AUTHOR: KostinY V,Ye. and Kovalev, M.K. TITLE: Control Devices for Diamond Draw-Jets (Pribory d1ya kontrolya almaznykh fil~7zr) PERIODICAL: Izmeritellnaya tekhnika, 1958, Vr 5, pp 113-15 (USSR) ABSTRACT: The processing of the draw channel. of diamond draw- Jets is very-complicated and difficult. The diamonds are bored-with,conic needles set at various angles. The Committee for'Standardization of Measurements and Measuring-Equipment prepared special optical equipment for checking,the geometric parameters of the "draw chan- nel": 1) A device for measuring the diameter and oval- ity of' the diamond "draw-jet" consisting of a micro- scope tube with micromechanism, an ocular screw micro- meter, a precision-ineasuring table and an illuminator. The general magnification is 4j5x and 102'0x. A scale reading of the ocular micrometer = O.E-," with 495y, and and 0.53j-twith 1420x magnification. Measuring errors Card 1/2 are 0.5.,,u with 495x and 0.91- with l2ox, ;2)A device SOV/115-F Control Devices for Diamond Draw-Jets for checking the profile of the diamond draw-Jets and the lengthof the calibrating part of the opening. It consists of a frame on which is a r.,,easuring table and microscope tube. The lower part of the tube contains a lens and the upper part an ocular screw micrometer, In the micrometer-can be seen 2 reticules, a fixed angle one and a mobile one with cross hairs. The general magnification is 120x and 27ox. Scale grad- ation - 0.001 mm, degree of error in measuring - 11-4 with lkOx and OAA, with Z70x. 3) A device for check- ing the accuracy of the axis position. 4) A device for checking the form of conic needles used ior boring the lubricating and work ~:one on the "draw-jets". The gen- eral magnification - Box, traverse and longitudinal displacement of the tube - 10 mm, angle readings of the first reticule - 100/LOO/300, gradation readings of' tht linear scale - 0.01 and 0.02 mm, angle readings of the Card 2/2 second reticule - 500/700 and z)00. headings of the linear scale _40.02 mm~ There are 4 diarrams. W I -ap Jail- g 4R VIC. I IF1 jF 4r IT 32 ZA; gg ,~~Lv, M.K. "asur, external no. 10t16-17 0#60. sorew angles by mans of voldivC. Iss,tekh. (Sorew threads--Measurement) (MIRA 13:10) KARPINSKAYA, N. A.; SAROYAN, A. Ye.; SHNEYDEROV, M. "I.; BARANOV, M. I.; KOVALEV...M. K. Reviewing standards for drive pipes and their unions. Standarti- zateiia 26 no.10:21-22 0 162. (MIRA 15:10) (Pipe, Stoel-Standards) YEGOROV, A.D.; KMCHANSKIY, I.A.; MOTYLI, N.N.; KOVALEV, M.K. BT-S drill pipes with brutt-welded joint ends. Mash. i neft'. obor. no.l.-19-20 163. (MIRA 17:1) 1. TSentrallnoye konstruktorskoye byuro Ministerstva geolo- gii i okhrany nedr SSSR. YEGOROV, A.D.; KRYMCHANSKIY, I.A.; MOTYLI, N.H.; XQ Al~~V . . , K-_ -A-~ New design for drill collars. Mash. i neft. obor. no.2:25-27 163. (MIRA 17:8) 1. TSentrallnoye konstruktorskoye byuro Ministeretva geologii i okhrany nedr SSSR. GORRiaMV, I.V.,in%h.; KOVAMV, M.L.,insh. Device for adjusting flooring slabs. Biul.stroi.takh. 12 no.9:17 S '55. (MIRA 12:1) 1. Treat Zakavkasmetallurgetroy. (Floors, Concrete) KOVALSV, K.M, doteent (Chernovitay) of surgical therapy of nodular forms Bucovtna (with summary in Xnglish.i P.1271. 3 no.3:89-92 Ky-Je 157. (GOITXR.~' Surgery, endemic nodular (Rus)) of endemic goiter in Probl. endok. i gorm. (MIRA 10:10) KOVALEV, 11. M., Dr Med Sci - (diss) "Data on the Stulty of Epidemic Goiter in Central Bulkovina (Questions on the Etiolo.,ry of Goiter in the Light of the Problem of 111croelements, Clinic and Surgical Treatment of Nodular Fonfls," Kiev, 1960, 30 pp, 400 copies (Fiev I-edical Institute im Acad. A. A. Bogemolets) (KL, 46/60, 126) _i ~__IOVALEV, M.M.p dotsent Amount of some trace-elements Am normal thyroid glands and in those chaAged by goiter. Vrache delo no.12:107-111 D 160, (MIRA 14:1) 1 1, r-hernovitokiy medithinskiy institut. (THYRQID GIAND-DISUSES) (MINERALS IN THE BODY) Py~ ~- ------ it Zinc content of certain objects in the external environment and in normal and pathologival thyroid glands. Probl. endok. i gorm. 6 no. 3:52-61 My-Je 160. (MIM 14; 1) (ZINC) (THYROID GIAND) KOVALEV) M.M. Amount of trace elements in the thyroid gland and in some objects of the environment in regions of endemic goiter in northern Bukovina. Probl. endok. i gorm. 6 no. 4:62-66 ii-Ag 160. (MIRA 14: 1) (CMOVTSY PROVINCE-GOITER) (TRACE ELEMENTS) (THYROID GLAND) IUMHANOVSKIY, V. A.;.KOVALEV, M. M.; LONTIONOV, I. A. Tuberculosis of the thyroid gland. Probl. tub. 40 n0-5:106-109 162o (MIRA 15:7) 1. 1z gos itallnoy khirurgicheskoy kliniki (zav. - prof. G. D. ObraztsOV5 i kafedry patologicheskoy anatomii Nav. - prof. A. I. Vorotilkin) Chelyabinskogo meditsinskogo Instituta (rektor - dotsent P. M. Tarasov) (TMOID GLAND-TUBERCULOSIS) KOVALEV, M.M.0 prof.j KRASOVSK'IYj A*P*p Icandem0de tlauke . Antor adiography and surgical treatment of patients with nodular endemic goiter. Vrach. delo no,,9t67-71 S'63. (MIRA 16:10) 1. Chernovitskiy meditsinskiy institut, (GOIMT) (THYROID GIAND - SURGERY) (AUTORADIOGRAPHY) KRIZHANOWSKIY, V.A.; KOVALFV, M.M.; DOLINIKOV, Ye.Y.. Develonmental anomaly of the thyroid gland and cancer. Khirurgila 40 no.12:25-30 D '64. (MIRA 18: 3) 1. Gospitallnaya khirurgicheskaya klinika (zav.- prof. G,D. Obraztsov) i kafedra patologicheskoy anatomii (zav.- prof. A.!. Vorocilkin) Chelyabinskogo meditsinskogo instituta, KOVAI,,FV,,,-.-M..M,,, prof.~ KRASOVSKIY, A.P,, kand. med. Problems of surgJcal tactics in endemic nudular goiter w-,th consideration of the results of autoradiography. Khirurgi'a 40 no.12:56-63 D 164. WIRA 18:3) 1. Kafedra fakulItet.9koy khi-rurgJJ (ZaV.- P7-0f. M.M. KOValeV) Chernovitskogo meditsinskogo instituta. KOVAIEV, M.M.; ZAMANSKIY, L.N.; YUKHII-E-TS, A.D.; SHVETS, A.S.; RIJSNAK, I.K. Pre- and postoperative oxidation-reduction processes in nodular endemic goiter. Probl. endok. i gorm. 10 no-5:37-40 S-0 164. (MIRA 18:6) 1. Kafedra fakulltetskoy khirurgii (zav. - prof. M.M. Kovalev) i kafedra biologicheskoy khimii (zav. - dotsent L.N. Zamanskiy) Chernovitskogo meditsinskogo instituta. LAPSY11N, Fecdoofly -11-11-torovich; ~QYAUY, M.M. [Koval lov, prof., red.: MLIOIUMY, L.D. LHodovanyij L.D.11 red. Nineral waters and health resorts of Dukovina] Ninerallni vody i kurorty M:ovixV.. Uzhhorod, Vyd-vo "Karpaty 11 1965. 13.0 P. (I~IIRA 18%8) KOVATIV, VAKI]LEITKO, S.N. State of the blood ccagmlation system in various f-2-,.-,:; Of Probl. endok. i gorm. 11 no.2:22-27 Mr-Ap 161; (017:,'i 1. Kafedra gospit-allnoy kbi.rurgii (zav. .- prof. 1,11. e% -V Kiyevskooo meditsinkogo institlita i 3--YE, 1,1!.*' ,t.- dolaniyo 141i.ni.~ihwqku bollnitsy 1w. OkLyabv-O-D~, v~valutnii (glaviiy~ vrach V.F.Aleksey-ov). KOVALRV, M.M., kandidat med.nauk Ganglioma of the posterior mediastizrum. Yest.khir.75 no.6:122-123 Jl '55. (HLRA 8:10) 1. Iz foakalltetskoy khirurgichaskoy kliniki (sav.-prof. K.T. Ownatanran) Stalinskogo meditsinskogo inatituta im. A.M.GorIkogo Stalino(oblastnoy), u1. Artema d.66, kv.12. (MKDIASTINUM, neoplasms ganglioneuroria) (GANGLIO]OWMA, mediastinum, surg.) OVSATANTAH, K.T., professor; KOVALICV. K.M., doteent A method for nephrotomy in multiple and coralloid calculi of the kidneys. Urologiia 21 no.4:93-98 O-D 156. (MIRA 10:2) 1. Iz kafeclrv fakulltetskoy khtrurgii (zav. - prof. I.T.Dvnatanyan) Stalinskogo meditainskogo instituts imeni. A.H.Gorlkogo (dir. - dotsent A.M.Ganichkin) (KIDWS. calculi multiple & coralloid, surg. method with cat-gut net) OVNATAWYAN, K.T., p3~of. Stalino (Donbass), u1. Pushkinskaya, d.129 kr.63. ROVAIV, M-M. dots Method of neDhrotomy in multiple and corql renal calculi. Novakh1r,arkhe no,U113-114 Mr-Ap 158 (MIRA l1.,6) 1, Kafedra fakulltetakoy khirurgii (-zav. - prof. K.T. OvnntwWan) Stalinakogo meditainskogo inatituta. (KIDNEYS-SURGERY) (GAMULI, URINARY) KOVALKV t IC M. Chorioepithelioma fram a teratoma of t4, . eripr mediastiumo,- Arkh. p4t. 23 no.3179-80 161. (MIRA 14:3) (MEDIASTINUM-TUMORS) KOVALLTVP M.M.; 1`01MVII, T'J, Malignimt hibernama. of Ube comentum. Arkh. pat.. no.3.C,,:5J.-53 164. (MBIA 18: 10) 1. otdel(,niyci (-,.av.-. prof. A.1. Vorotilkin) Cheival,11-1 u~,kojr e~'IPIF-,Btnoy k1lincheskoy boVn-At9y. prof.; YANKOVSKIY, V.D., doktor med. nauk; MELINICHENKO, A.V.; IVANOVA) N.A., kand. med. nauk; TEPHY, V.K. Prevention and therapy of frostbite with anticoagulants. Vest. khir. no.10:74-81 164. (MIRA 19:1) 1. Iz gospitallnoy khirurgicheskoy kliniki (zav. - prof. M.M. Kovalev) Kiyevskogo meditsinskogo instituta imeni Bogomolltsa (rektor - prof. V.D. Bratus') i laboratorii koomicheskoy fizio- logii imeni Bogomolltsa (dir. - alcademik AN UkrSSR A.F. 1--lakar- chenko) AN UkrSSR. KOVAISV, M.P. I- - -"-- - ---- i " Effect of static and dynamic unbalance of rotors on the wear of ball bearings. Trudy LIAP no.11:24-28 156. (MIRA 11:2) (Ball bearings) KISLIK, V.A., prof.; KOVAINV, M.P., kand.tekhn.nauk; KRASITIUHMi 1, L.Vo; . DOMBROVSKIY, r.-Y.-,kAh&'~t_ekIm.nauk. London converence on lubrication and wear, Izv, v7s, ucheb, 2aV,; mashinostr. no.l*.147-151 158. . (MIRA 11:6) (London--Lubrication and lubricants--Congresses) (London--Mechanical wear--congresses) 15(6), 24(3) SOV/1 4 6 -5 8-4 -10/2 2 AUTHOR: Kovalev, M.P., Candidate of Technical -)ciences TITLE: Bearing Cages of High-Speed Instrument Ball Bearings 1.1ade of Polymeric Materials PERIODICAL: Izvestiya vysshilch uchebnykh zavedeniy, Priborostroye- niye, lc,58, Nr 4, pp 57-59 (USSR) ABSTRACT: The accuracy of the service life of gyroscopic devices depends to a considerable degree on the quality of the rotor ball bearings. An analysis of the rotor ball bearings of high-speed gyroscopic devices showed that their weakest components are bearing cages. As a rule, the bearing caGes of high-speed instrument ball bear- ings, working at 20,000 - 60,000 rpm at relatively high temperatures, fail because of inadequate heat re- sistance, low strength and reduced wear resistance of the material of which they are manufactured. High- speed ball bearing cages are also subjected to vari- ablr external load stresses and centrifugal forces. Attempts were made in manufacturing the ball bearing 0 Card 1/3 showed that the cages of textolite, but experience SOV/146-58-4-10/22 Bearing Cages of High-Speed Instrument Ball Bearings Made of Polymeric Materials properties of this material are ina9equate for 30,000- 60,000 rpra and temperatures of +100 C. It was found that bearing cages made of nylon work adequately at 30,000 - 60,000 rpm with radial loads up to 1 kg. After 400 hours of work in the rotor bearings, the nylon bearing cages did not show any noticeable traces of wear or deformation. By studying the properties of polymeric compounds it was established that many of them, together with nylon, may be successfully used as material for manufacturing bearing cages for high-speed instrument ball bearings. Among these materials tef- lon, capron and polyethylene must be mentioned in the first place. The author presents the principle char- acteristic data for the three materials in Table 1. For increasing the mechanical strength of polymeric materials, they are manufactured with different fillers. It was established experimentally, that bearing cages made of polymeric materials reduced the friction moment Card 2/3 in ball bearings and increased the quality and service SOV/146-58-4-10/22 Bearing Cages of High-Speed Instrument Ball Bearings Made of Polymeric Materials life of the latter. The wear of polymeric material after a preliminary running-in is almost equal to zero. ExDeririents showed that the resistance to heat and wear, as well as some other properties of polymeric compounds, except teflon, may be improved by subjecting them to radioactive radiation. The author arrives at the conclusion that polymeric materials, nylon, capron, teflon and polyetliylene may receive wide-spread applic- ation for manufacturing cages of high-speed instrument ball bearings. There are 1 table and 4 Soviet refer- ences. SUBMITTED: June 28, 1958 Card 3/3 KOVAT-37. M.P.. kand.tekhn.nauk Tmproving the precision and durability of high-speed ball bearings used In Instruments. Trukv MAT no.116:149-i6o 1959. - - (Ball bearings) 011RA 13:7) KOVALEV, Mikhail-Prokhorovich; HORMAKOV, Sergey Petrovich; TEUKHOVA, ~~vdi~ya Sergeyevna.; FETRGV, G.N., kand.tekhn.nauk, dotsent, retsenzent; GORTSUMA, N.A., red.; NOVIK., A.Ya... tekhn.red. [Dynamic balancing of the vheels of gyro systems] Dinamicheakoe uravnoveshivanie rotorov giroakopichaskikh sistem. Moskva, Oborongiz., 1962. 257 p. (MA 150) (Balancing of machinery) (Gyroscope) DIYACHKOV, A.K.Y doktor tekhn.nauk,prof.; ZHIRWjIRSKIY, V.K., doktor tekhn. nauk; KISLIK, V.A., doktor tekhn.nauk, prof.; KRASNICHEIMO, L.V., doktor tekhn. nauky prof.- KOVALEV M P . kand. tekhn. nauk; PARG32i D.P.0 kand. tekhr. nauk; PUTALOVA, L.A., kand.tekhn.nauk; LETKOV, N.L,, inzh,; PASHCTWKOj M.P., inzh.; PETRUSEVIGH, A.I., doktor tekhn. nauk, prof.; MARM4SKAYA, I.Ya., red. izd-va; UVAROV, A.F., tekhn. red. [International conference on lubrication and wear of machinery; proceedings] Mezbdunarodnaia konferentsiia po smazke i iznosu mashin proceedings. 1~:oskva, Mashgiz, 1962. 658 p. WIRA 15; 5) 1. Conferance on bibrication and Wear, London 1957. (Lubrication and lubricants-Congressesi (Mechanical wear--congresses) PHASE I BOOK EXPLOITATION SOV/6028 Kovalev ~.1,Prokhorovich, Sergey Petrovich Morzhakov, tftav iya- Wrlgeyevna Ti-rekhova L s Dinamicheskoye uravnoveshivaniye rotorov giroskopicheBkikh sistem (Dynamic Balancing of Rotors of Gyroscopic Systems) Moscow, Oborongizp 1962, 257 p. Errata slip inserted. 5500 copies printed'. Reviewer: G. N. Petrov, Candidate of Technical Sciences, Docent; Ed.: N. A..Gortsuyeva; Tech. Ed.: A. Ya, Novik; Managing Ed.: S. D. Krasillnikov, Engineer. PURPOSE: This book is intended for designers and technicians of the instrument-building industry and for technical personnel concerned with the production and operation of the balancing equipment. It may also be useful to ~btudents of specialized higher and secondary schools. COVERAGE: The book deals with-the theory and technology of the dynamic balancing of rotors of small gyromotbrs. Card 1/Jt 4:-, Dynamic Balancing of (qont.) SOV/6028 The new balancing equipment and the methods of its opera- tion and adjustment are described. Information is also _glv4~n on the design and assembly of special bearings for gyroscopic instruments. Chs# Ij III and III were written -by M. P. Kovalev; Ch. IV, by M., P. K o v a 1 e v and K. S. Terekhova; Chs. V$ VI, and VIII by S. P. Morzhakov; and Chs. VIIII IXI Xx by K.'S. Terekhova. The authors thank 0. N.-Petrov and P. S. Kutko) Candidates of Tech- nical sciences, toil reviewing the manuscript. There are 32 referencesp all Soviet. TABLE OF CONTENTS: Foreword 3 Ch. I. Basic Components of Gyroscopic Instruments and Devices and Their Requirements 5 Ch. II. Typical Designs of Bearings for Gyroscopic - Instruments and Systems 14 Card 2/p .. .. . I I - . I . -- , -I MIALOV~ Alcksey Nikulayevich; XOVALEV, M.P., inzh., retcenzeint [Feed mechaniBms for machine tools] Zagruzoohnye uutroi- stva d1la metallo.-ezliuahchikh stankov. Moskvap Mashinc.- stroenlep 1965. 1,41 1,). (111IRA 18:11) ACC NRt YA)nogyraph UR/ Kovalev, Mikhail Prokhorovich; 14orzhakov, Bergey Petrovich; Terekhova, Klavdiya -~-Ser~tey6vha Dy-awaic and static balancing of.gyroscopfe devices (Dinamicheskoye i statiche- skoye uravnoveshivaniye giroskopichekikh ustroystv) 2d ed... and enl. Moscowi Izd-vo "14ashinostroyeniye", 65. 0303 p. illus., biblio. -Errata..slip inserted. 4,200 copies printed. TOPIC TAGS: aircraft flight instrument, gyroscope gyroscope componenti. structure vibration.. vibration measurement PUMPOSE XND COVERAGE: This book presents the theory of balancing rotating parts of machines and instruments demonstating the dependence of precision of dynamic balancing upon the quality of the support. Also it analyses basic causes of vibratimw.., ons and methods of their elimination.-Explanations are given of the principles of action of balancing machines and their elements, and practical recommendations on the technique' of constructing and balancing yhem are given. This edition of the book gives additional detailed digrams and constuctions of present balancing machined in the Soviet Union and abroad. This book is recommended for technical engi= neers working in machinery and mechanical engineering industries and construction departments. It is also useful for techers and students of higher technical schools. -TABLE OF CONTENTS (abridged); Cord 1/2 UDC: 62-752.4;62-755 ACC NRz preface ---3 of gyroscopic devices and systems -5 Ch. I. Basic elements C-n. II. Ball bearings for instrwwnts --- 23 Ch. III. Standardsupports for gyroscopic devices --- 52 oa. iv. influence 6f the Vality of the support on the precision of balancing the units of gyroscopic devices --- 78 ch. V. Assembly and control of gyromotors and gyrounits --- 90 Ch. VI. Causes of Aribrations of gyroscopic devices -95 C-n. VII. Dynamic balancing of totor gyromotors- 105 --- 136 Ch. VIII. 1.1easuring schemes of balancing machines Ch. IX. Balancing machines used in instrument making --- 195 Ch. X. Technology of dynamic balancing of rotors of gyrcaotora on balancing machines -245 Ch. XI. Vibration control Of gYrOmOtOrs---267 .272 Ch. XII. Static balancing Of unit8 Of gYrOBCOPic dev'cea Appendix __-286 Bibliography --- 300 SUB-coDE.j-/ a0' /1-suBM DATE&,'-l9Aug65 ORIG REF-q 030 ~OVAJZV. Mikhail Prokhorovich; MORZJ1AKOV,, Sergey Petrovich; ---------- -- T TF.REKHOVA, Klavdiya Sergeyevna; PETFOV, G.'., dokt.3r t.ekhn. nauk, retsenzent; KOI/JSOV, M.A., inz J. red. (Dynamic and static balancing of pyroscopic devicesl Dinamicheskoe i staticheskoe ura-,noveshi-tranie giro- skopicheskikh ustroistv. Moskvap Mashinostroenie, 1965. 303 P. (MIRA 18-.11) KOVALFGV, M.S. Honorable--tltle won by a brigade. Put' i put.khoz. 4 no.10: 30-31 0 '60. (MIRA 13:9) 1. Brigadir puti, g. Semipalatinsk. (Railroa&e-Haintenance and repair) 41. 1" . TI i.; 0 i al, 'C' H 111'ai~;Icxi --f 1 a' Or: o tile I-coultz; ol, WI ilideylsl joci~pfid Ruth-_.--: .'hcvL1cv--., V. IKJ, Trudy iiai,icla. 7-6" 16 Scpt 53., (LeLopis 'Zhurr,--! ln-ykt S`at~,,y, ','C). 2) c): KOVALEV, N. Economic-mathematical model of planning the efficiont structilre of production in an economic region. Vop. ekon. no.2;97-108 F 164. (KRA 17.' 3) NOVALEV, N.9 Geroy sotsia3.isticheakogo Trudaj LEVIT t Gog Inzhe The second partylrogram. NTO 2 no,12z2-6 D 160. (MIRA 14:3) 1. Chlen-korrespondnet AN SSSR9 p.4deedatell Tsentraltnogo prav- leniya Hauchno-tekhnicheskogo obshchestva energeticheskoy promy- sh1ennooti,1*Ck Kovalev). 2.*Uohenyy,sekretart TSentrallnogo prav- leniya Naug,1zn"t4ekhuicheekogo obshchestva energetioheskoy promyshlennooti (for Levit). (Electrification) ~7 KOVAMI IT. Party decisions are put into practice. Sov. profsoiuzy 16 no.19: 12-15 0 160. (MIRA 13:10) 1. Fredeedatell Denpropetrovskogo oblastnogo soveta prof-soyuza7. (Dnbpropetrovsk Province--Trade unions) (Dnepropetrovsk ProvincG--Socialist competition) KOVALEV, N. Problems in-introducing.mathematics and electronic calculating machines in plannitg. Vop. ekop, no.12- 118-127 D 161. (KRA 14:11) (RuaAa-Economic police) (Economics., Mathematical) (Electronic analog computers) -"US EV, No 1% OrNhZem dtVv **K0V'tk1 Card 1/2 FD 203 Authors : *Tikhomirov, S., *-)KOvalevy N. Title ; News Section: An announcement to chiefs of main administrations, direc- tors of enterprises and of construction organizations, oblast' committees, "and plant and mine committees of enterprises of the Ministry of the Chemi- cal Industry. Periodical : Khim. prom. 4, 53-54 (245-246), June 1954 Abstract : Announces a competition during the period I May-1 Nov 1954 for the best* enterprises within the ministry as far as inventions and improvement of efficiency are concerned. States what improvements are desired in the heavy chemical industr,- (production of phosphate fertilizers, ammonia, and methanol),, synthetir, org.Rnic industry (plastics, fibers, dyestuffs and intermediate. . continuous catalytic processes for synthetic rubbei pro- duction), tire, carbon ul~Lck ', rubber recovery, and asbestos industry, and the industry of rubber products. Outlines the rules of the competltion.- Institution -. Ministry of Chemical Industry USSR (*14inister); Labor Union of Workers of the Chemical Industry (-*+Chairman., Central Committee) BARANOV, S.; XOMM, 11., inzil. po skspluatatsit domov; BELOV, D., chlen Partl&rrav, Our report on the work of t1in apartment houne office No.6. Zhil.- kom. kboz- 8 no-9:27-99 158. (MIRA 11:10) 1. Glavryy inzh. zhilisbchnoy kontory No.6 Oktyabrlskogo rayona Lpningrada. (for Baranov). 2. Zhilighchnaya kontors. No.6 Ok-tyabrl-ko- go rayona Laningrada. (for Kovalov, Bolov, Khanin). 3. Prodsodatell komiteta pervichnov organizateli Krasnogo KreBta (for Kbanin). (Leningrad--Apartment houses--Managemont) CFLWv, _V.; SoLoVsIEVA, Z.; RUDNOVA, L., inzhoner-khimik; KOVALEV, N.; JULAML L, Draw ship repair plant laboratories into doing creative work. Mor. flat 22 no.11:36-37 N 162. (MIRA 15:12) 1. Nachallnik TSentralinoy-laboratorii Rizhskogo sudoremontnogo -zavoda (for Orlov). 2. Starshiy inzhener-fizik TSentrallnoy laboratorii Rizhskogo sudoremontnogo zavoda (for Solov'yeva). 3. Starshiy tekhnik TSentrallnoy laboratorii Rizhskogo sudoremontnogo zavoda (for Kovalev). 4. Starshiy laborant TSentrallnoy laboratorii Rizhskogo sudoremontpogo zavoda (for Khakhel'). (Ships-Maintenance and repair) KOVALEV Nr- Scientific planning and an efficient system of economic information, Vop, ekon, no.12t94-110 D 162. (MIRA 1631) (Informtion storage and retrieval syBtema) KOVALEVj, N. Several problems in ompiling interbranah balances in p sical terms. Vop. ekon.,no.5:76-87 My 163. (MIRA 16:~6 (16sia-Boonomic policy) (Economics, Mathematical) KOVALEV, N. 111-1--, Several problems in empiling interbranch balancee in _pYqsical tArMB, VOP, ekon.. no.5:76-87 M..v 163. (MIRA 16to) (Russia-Economic policy) (Economics, Mathematical) KOVAISV, N. Cross distortions of single-band and two-band s1pals. Blektrosviaz, 17 no.11:71-72 N 163. (WRA 17-.1) C i~ KOVATEV, N. Introduce books to every family. Sov. profsoiuzy 19 no.14:12-15 J1 163. OURA 16:9) 1. Predsodatell Nepropetrovskogo oblastnogo promyshlennogo soveta professionallnykh soyuzov. (Dnepropetrovsk Province--Libraries, Workingmens) KCYVAILEV, N.; KHORUNZIM, L. NeE book on the theory and practice of the application of' Mthe- matics in economics. Vop. ekon. no.10:99-105 0 163. (MIRA 16:12) KOUIFT, N., assistent Mathematical model studies in marine transportation. Mor.flot 26 no.1;15-16 Ja 166. (MIRA lgtl) 1. Kafedra "Ekonomika i organizatsiya raboty morskogo Aflota" Leningradskogo vysshego inzhenernogo morsRogo uchilishcha 0 imeni admirals, Makarova. C CATEGORY ABS. JOUR. Parm Animals The Swine. I RZhBiol., No. 3a 1959, No.12044 AUTHOR Mralinin, A. A.; Kovalov,, N. A9; Surma,, V& V. Vit:lbsk Ins titut-e -o-f-TeMn-rM-a1T- Science. 'I"ho Blood supp.ly of Orp-nial CervIcal Sympathetic Ganplis In the Pig* ORIG. PUB. : Uoh. zap, Vitebskogo vet. iii-ta, 1957, 15s 268-272 ABSTRAOT ! It was shown on 7 carcasses of piglets 2-4 months old by using; methode of infusing'the vessels, as woll as preparatjoI13 and roontgenography that tho criuiial cervical sympfL thetic gang lie (GG80) blood supply dividen into branches which form anasto- noses between themselves. Die blood supply of the right CCSG proceeds from the external and internal carotidt the ocoinital-carotid and the superficial temporal arteries, The left GCSG is supplied by the branches of the ox- Card: 1/2 KOZINTSOV, Boris Pavlovich, kAAdtekhx,L.n&uk, dotsent; IVANOV, Yevgeniy Petrovich, assistent; KOVALEV, N.A , prof., red. .[Design of planetary and differential gears] Raschet i proektirovanie aUbchekt~-A'planetarnykh i differen'tsiallnykh peredach. Pod red. N.A. Kovaleva. Moskva, Mosk. energ.in-t, 1961. 63 P. (MIRA 16-.6) (Gearing) (Mill, SOLOVIYEV, Aleksandr Ivanovich; KOVALENOK, Yevgeniy Vikentlyevich; VERZIN, Ivan Andreyevich; KOVALEV Nikolay Aleksandrovich; VOLIMIR, R.I., red. (Designs of mechaniBmB for..-,autow- tic control devices, measur- ing and computLng equiJAW)FAsebety mekhamizmov aytomatiki, izme-itellnoi I schetno-reshaiusbehei tekiniki-.-Pod red. -A.I. Soloweva. Taganrog, Tagaamgski-L.-~mdiotekba.im,-:tj, 1961. 215 P. NIRA 16:3) (Automatic control) (Newnftng Instruments) (Calculating machines) V -PYAPRY Nikolay,Aleksanclrovich; SIDOROV, N.I., inthener, red.; kBROVA, Ye.N., tekhn.red. [Lateral oscillation of rolling stock] Bokovye kolebaniia podviziinoge soatava. Moskva, Goa.transp.zhel-dor.izd-vo, 1957. 246 p. (MIRA 10:12) (Railroads--Rolling stock--Vibration) KOVMJV, N*A., kandidat tekbnicheekikh nauk, doteent. Pree mvement of two-axle carriages in the presence of electrical friction between wheel and rail. Vest. TSNII KPS,16 no.4:41-45-Je 157. (KLRA 10:8) (Friction) (Car whoele) KOVAL,~;Y, Niltolny Aleksandrovioh -- awarded sci degree of Doc Tech Sci for the 27 Dee 57 defense of dissertation: "Theory of anfractuous movement and principles for blueprinting electric-powered rolling stock" at the Council, Mos Energetics Inst; Prot No 171 21 Jur, 58. (BMVOf 12-58Y20) .~ Z_ /,/ ~ 5-~, KOVALEV, N.A.. doktor tekhn.nauk Lateral vibrations resulting from flange impacts in coulomb friction between wheels and rails. Vast. TSNII MPS 17 no.6: 31-34 3 '58, (MIRA 11:11) 1. MoskoyWdy onargatichaskiy inatitut. (Car wheels) (Railroads--Raila) Then the basic equation can struction of wheels can be be written as Eq (1). The con- altered so that one variable Card 1/4 SOV/179-15-01-2-32/40 On the Effect of the Elasticity of Wheel. Systems on the Stability of Rectilinear Motion of Railway Vehicles (x1 or x. etc) will not be equal to 0 This 'is shown in Fig 2, there a x3 0 Ki ~- Y-2 ~ )14 (30 1 ".") - )t4 ~ .0 v - K 1 )1 0 7 j H2 0 The equations of velocity for these systems can be shown as Eq (2) for the case a Eq (3) for the iiase Eq (4) for the case V Eq (55 for the case g. . Actually, only Eqs (4) and (5)'can be considered for which the value of velocity when the motion becomes unsteady is defined as Eq (6). The relation vK - vK (K) for these cases is illustrated in Fig 3, where the curve 1 corresponds to Eq (4) and the curve 2 - Eq (5), V. in km/hour. In. order to define the mass of a pair of wheels, the case should be considered where tlie chassis is taken as Eq (7). The equilibrium of the front pair of wheels in respect of its axis of rotation (point 01 in Card 2/4 Fig 23) can be expressed as Eq (9) and for the second pair of SOV/179-59-2-32/40 On the Effect of the Elasticity of Wheel Systems on tL~.- Stability of t, Rectilinear Motion of Railway Vehicles wheels - - Eq (10). From this the system of equations des- cr:Ubing the motion of the vehicles is obtained as Eq (14), from which the formula (15) is obtained when the conditions n =))K , M =- X:x 1 ~ - CX: (1 + 0) Eq (15) becomes Eq (5) if e = a = q) = 0 The relation- ship of the velocity of the vib3~ations vK and the rigidity-'- x is illustrated by an example: the radius of the wheel R m 600 mm, load 2N -20 000 kg9 tLe coefficient ~f elastic sliding 0 -2.8 x 106 mass - 4N : 9 ~ 8150 sec A M : 4C - 0.?'3 x lo3 1, b -.1.6 m , P - 4 11 -0.05, X --0.066, ?k : Ar~.1.2 . The results were cal- culated from the formula given in this work and shown in the table on p 187. The relationship of v. and x for various Card 3/4 SOV/179--59-2-32/40 On the Effect of the Elasticity of Wheel Systems on the Stability of Rectilinear Motion of Railway Vehicles is illustrated in Fig 4. For every the maximum value of x is constant: KpfO.425 KOZ 0.50 x 106 kg/m 500 kg/mm, . There are 4 figures, 1 table and 5 references, of which 2 are Soviet, 2 English and 1 French. SUBMITTED: August 6. 1958. Card 4/4 . XOVALEV, N,A. (14DPkva) Vibrations of gearE in case of a stepped change in rigidity and of a constant error of the pitch. IzveAN SSSR.Otdtekh.naukJ~kh.i naBhinostr. no*2:37-42 Mr-Ap 161. (KRA UtO (Gearing--;Mbraluion) KOVAISVO N.A, (Moskva) Maxi=m dynamia loads on gear teeth, Mashinovedenie no,5170-77 165, (MIRA 180) KOVA~~ N.A., doktor tekbn. nauk, prof.; YHFISHOTp r.I.,, starshiy pre- 2 -- ~ I podavatell. Dynamic loading of flexible jitraight tooth gearing. Izv. vys. ucheb. zav.; mashinostr.'no. 10&76-81 065 (MIP& 19:1) 1. Moskovski-y energetichaskiy, institut. SaInitted November 28j, 194. A W., - ! F g"g- MR, I - WN, sp PL Ak, fl- Ji Al -7~,q R, 't, av - .. ,. I I ... I . . . . . ..I. . . . . -. . . . . - . .. . . 4..-- . . 1. - - I.-, - : . i I . . I - . ? . - - .. . . . - . . . .. . . - . . f . I. I -I . . . : m - . .- - , '. , - . ... _: - .... I - I . ... - KOVALIBV, N.D. The Co=dttee an Stalin Prizes (cKr the Council of Ministers U50) in the fields of science and inventions announces that the folloving scientific vorkap popular scien- tific books, and textbooks have bum submitted for competition for Stalin Prizes for the yea" 1952 and 19~3. ftljAw~a Hoacow,, No. 22-40, 20 Feb - 3 Apr 1954) ft= Title of Work Kovalev, H.D. "Granulated Pertilzers" Flockinated by Kharlkov Institute of the Mechan12ation and Electri- fication of Agriculture SO: W-3o6o4, 7 jul-Y 1954 -KOVALET.-N.D. -~ --prof.; ATROSHENKO, II.D-p dots.; DEKONNOR, A.V., dots.; LITVINWO!I A.N., dots.; OMOV, V.N.p red.; CHEFIENaH, A.D., red.; GC44CHAROVA, T.Lp teklm. red.; DEMA, V.M.,tekhn. red. (Fundamentals of farming and plant growing] Osnovy zemledeliia i rastenievodstva. [By] N.D.Kovalev i dr. Moskva, Sellkhoziz- dat, 1963. 566 p. WIRA 17:3) BUDYKA, Sergey Khristoforovich; TIKHONOV, Ad&m Forich; Prininali uchastiye; . . -4 MAKAREVICH, V.S.; TIMOFEYMI, L... red,izd-va; VOLOIUIANOVICH~ I.j tekhn. red. [Manual on the timber industry]LesopronWshlcmiyi spravochnik. Minsk, Izd-*o Akad* nauk BSSR, 1962. 711 p. (KM 15:11) (Lumbering) ,- . - F-1- - -:.i "I-I.-..-.,-- -X, -.,, . .. .. . 1 4 . . : .. . . . - ...;i . - ;I . .. . . ~.: . .. . I I . . . I . . - : . . I I . - . .-- . I SOV/124-58-11-13362 Translation from: Referativnyy zhurnal, Mekhanika, 1958, Nr 11, p 205 (USSR) AUTHORS,-. Komarovskaya, A.S., Gedz, N. I., Kovalev, N. F. TITLE: Investigation of the Stresses and-~~trains in Elements of the Roadbed Superstructure of Narrow-gage Railroads (Issledovaniye deformatsiy i napryazheniy elementov verkhnego stroyeniya puti uzkokoleynykh zheleznykh dorog) PERIODICAL: Tr. Tsentr. n. -i. in-ta mekhaniz. i energ. lesn. prom-sti, 1957, Vol 7, pp 131-159 ABSTRACT: A theoretical and experimental investigation of the working of the fundamental elements of a narrow-gage lumber -transport railroad track. A method for the determination of the modulus of elasticity of the roadbed and the track at a rail joint is examined. The coef- ficients of relative stiffness of the foundation and of the rail at the joint are deteri-nined by the deformation- increment method. The modulus of elasticity of the joint does not have a linear correlational relationship with the speed. The advantages of angular splice bars as compared with plane splice plates are shown. The working of Card 1/1 wedge-type and bolt-type rail cha; rs is investigated. L. M. Shkol' nik SOV/124-58-11-13360 Translation from: Referativnyy zhurnal, Mekhanika, 1958, Nr 11, p 205 (USSR) AUTHOR: Kovalev TITLE- ContiibUtion to the Design Calculation of the Roadbed Superstructure of Narrow-gage Lumber-carrying Railroads (K raschetam verkhnego stroyeniya puti Iesovoznykh uzkokoleynykh zheIeznykh dorog) PERIODICAL: Sb. nauchn. tr. Belorussk. lesotekhn. in-t, 1957, Nr 10, pp _268- Z84 ABSTRACT: Two subjects are presented: 1) The determination of the coefficient of relative stiffness of the foun dation and the rail; 2) the construction of pressure- distribution curves along the base of a crosstie. Relative to the first problem a method is proposed which is based on the meas- urement of the terminal axis of a wheel group to the maximums or miniMUM5 of the rail-sag recording curves. It is asserted that this method is more dependable, inasmuch as the said points are more stable than the zero-deflection points. With reference to the second problem the author undertakes and solves the problem of the pressure distribution by employing a crosstie lying on an elastic foundation and Card 1/2 assuming the action upon it of two symmetrically disposed, unequal SOV/124-59-11-13360 Contribution to the Design Calculation of The Roadbed Superstructure (cont. ) forces. The results of investigations are shown, also some practical recommenda- tions. P. I. Klubin Card 2/2 KOVALEV, N. F., Cand Tech Sci -- (diss) "Effect of uneven loading of axled wheels on stresses in elements of track in narrow-guage log- transporting railroads." Moscow, 1960. 15 pp with charts; (Ministry of Higher and Secondary Specialist Education RSFSR, Moscow Forestry Engineering Inst); 1?0 copi6s; 'price not given; (KL, 1?-60, 155) DANOVSKIYp Leonid Mechielavovichp dots.p kande tekbno nwkj GRONOV L. K. p kand, tel:bn * r 4L'GHAWVP Aukq do,tvent; ANTONOV9 Yu.A.9 dote.; ; K.V.9 inzh.; KOTMOV9 I.A., k9M. tekbn. naukv dotsent; tftMGKWq N.P.9 incth.; MIROSHINq P.V.9 dorteent; INOZEMTSEV9 A.A.9 insh.j' M CHUGIN. D.A., dotsent; XQVALRVOA,F.q inzh.; SINKINp P.A.p in2h.; ~OTOTSKIY, GoI,.p inahog redj USENKOi L.A.9 tekhn. red. (Track work in sections with heavy freight trsffic; frQm the experience of the Omsk and Tomsk Railroadel Patevye rehAoty na gru- zonapriazhennykh uchastkakhj iz opyta Omakoi i Tomskoi dorog. Mo- skva, Vses. izdatellsko-poligr. obwedinenie M-va putei soobshobe- ftiia, 1961. 102 p. (MIRA 14:7) (Railroado--Maintenance .andrepair) (Railroads--Freigbt) .. . - . i - -- . . . . . . - - . '. 1. . I- . . . . - 4 , , , KOVAIMT, N.F.; KOROTKOV, A.A.; REYKH V.N. I Method for the production of rubber on a base of SKI-3 eliminating the Ocstruction of polymeric chains during the processing of n,:!:-,Aral rubber. Kauch.i rez. 24 no.1:12-14 Ja 165. (-MIRA 18:3) - 1. Vsesovuznyy nauchno-issledova. tell skiy institut sintet-Ichesk-ogo kauchuk-a im. S.V.Lebedeva. ACC NR-. A~7000909 SOURCE CODE: UR/01381'661"OC;oi"012/~-,0021/-VO05 MMOR.' "ovalov, N'. F.; Rorotkov7 A. ....; Pcjtrov, G. N.; rfe,;,Ich, V. N.., -A:-.ocnkIrq G. F. Eventova~ L. A. S----*Gn',~ific Research Institute of Synthetic Rubber im. 3.~V. lebodev (Vseso~-uLryy naue.q-,io-'~~-:;lodovatellskiy inatitut sintetichoskogo kauchu,KU-.1 TITIEZ and Droperties of butadione-isoprone block polymers SCUR-"Ei Kz~uchuk i rezina, no. 12, !0,66, 2-5 TOPIC TA~~3~ butadi~5noj isopronep block copolymerf polymer physical proparty ABSTF,kC72 A mo'hod was developea for preparing butadiono-isoprone block polymors in Quantities to study their basic physicovaechanical proportioss. The block was carried out in a 5P, 'Y' iso-ountane solution in the Dre,ence of a ,n organoiithliLm catalyst, ard thu -jropertieE: of the -Dolyners were. studiled as functions. Of 'thte :rtancmmer ratio and quantity of blocks in the polymer chain.* Fro-.'~ the standpoint! of micro.~,tr-acturo~ the blocks of polyisoprone and polybutadiene are practic-ally anAo-I 90,us to nixturas of isoprene-butadiene homopolymers obtained on the oraanolithium, ~at-" alyst". the stardpoint of the -properties of the vulcanizates.4 the synthesized- block polyv-4ars nractically do.not differ fr .om the wo-perties of -11'acharicall mIxtures of;: t-he hcmcpalymars. ., ard, are einti~ely detarmined. by t6 ~utadiene-to-isoprone ratio. ACC NR: AP-7000909 0,-ig-- al;t. has: 6fig-ures'and I talble. SUB CODS., III/ SUBIM DATEs 2.2Feb66/,' oRio mn 002 ('c-. r-i