SCIENTIFIC ABSTRACT VOLKOV, V.M. - VOLKOV, V.M.

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SCIENTIFIC ABSTRACT
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30911 S119616.11003101210051012 investigations in the field... B1O1/B11O is suggested. The compounds obtained from aqueous solution deviated in their composition from the theoretical. composition, probably due to water dontent. The considerable increase in volume of the Be and Zn compounds above 2000C is ascribed to continuation of the incomplete chemical reaction at, elevated temperature. In the esters. of aromatic o-hydroxy acidst carbonyl oxygen of the carboxyl group effects the formation of the coordi- nation bond. In o-methoxy acidt the oxygen of the methoxy group has an effect. All polymers were colored powders. The polymers obtained from the melt had a composition,which came nearest to theory. There are 1 figure, 6 tables, and 15 referencest 9 Soviet 'and 6 non-Soviet. The four most recent referenced to En;-lis*h-language publications read as followas S. Kanday Y. Saito, Bull.-C"nem. Soc. Japan, LO, 192, 1957; H. Kl,ig, L. Alexander, G. Summer, Acta crystallogr., 11, 41, 1958; R. G. Charles, M. A. Pawlikowski, J. Phys. Chem., 62,74409 19581 J. Wilkins, E. Viittbecker# US Patent 2659711# 1953- ASSOCIATIONt, Institut elementoorganicheskikh soyedineniy All SSSR (institute of Elemental Organic Compounds AS USSR) 'SUBMITTEDs January 6, 1561 card 4/4 SJ/19~09NOVOOVCO4/020 B101 WO AUTHORSt Korshak, V. V., Rogozhinj S. V., Volkov, V. 1. TITLE: Studies of coordination polymers. IX. Metal-containing polymers based on aliphatic dicarboxylieg a, a'-dihydroxydi- carboxylic, and at a';..dialkoxydicarboxylic acids FERIODICALt Vysokomolekulyarnyye soyedineniya, v. 4, no. 1, 1962, 20-24 TEXTt Synthesis and properties of polymers containing Zn, Cut Cd, Cot or 'Ni on the basis of W, W 1-hexadecanedicarboxylic acid (1), terephthalic acid (II , a., a'-dibydroxyuebacie acid (III), and a, al-dimethoxysebacie acid (IV~ are described. III was synthesized from a, a'-dibromosebacic acid by saponification with 50 KOH solution, production of Cu salt rith CUSO 4' and formation of the free acid by precipitating Cu with H 2S. Dimethyl eater of IV was obtained from a, al-dibromosebacic acid by sodium methylate (11 20 .1.4425; boilint; point-128-1300C/1-2 mm Hg). Dipotassium D salts of I,HqMpor IV were reacted with the chlorides or acetates of the Card 1/4 32343 S/190/62/004/001/004/020 Studies of coordination ... B101/B110 metals in an aqueous or aqueous-alcoholic medium. Linear structure is assumed due to the thermal behavior and insolubility of the powdery pre- cipitates obtained. The following data are liateds (A) Polymers from 1, structure b OMOO 8(C2)16-]nl copper compound light blue, crystalline, melting point 223 - 2250C (in capillary), maximum deformation (D max ) at 201 0C; Cd compound crystalline, white, melting point 211 - 2130C, Dmax 1750C; Zn compound crystalline, white, melting point 242 - 246 0C, Dmax 221 0C; (B) the Cu compound with II is light blue, crystalline, w,elting point 300 0C (with decomposition), D max " 335 0C; (C) the composi- tion of polymers of III differed with the conditions of synthesis. It io assumed that complexes with groups of adjacent chains or with molecules of the solvent are formed as a consequence of the incompletely occupied coordination sphere of the metal ion. Cd compound white, melting point 280-290'C (decompooition)q D max = 2920C,- Zn compound white, melting Card 2/4 S/'1 �0162'10'0~ 020 1100110041 Studies of coordination B101/B110 0 point 330 - 350 C (decomposition), D Cu compound light b1_*_,e. liax = 3270C; melting point 3300C (decomposition), D 341'C; Co compound red-viol~:t, max melting point 250aC, Dmax ~ 351OC; tn compound white, melting point 280OCt DMax ~ 3270C; Ni compound green$ melting Point 300 0C (decompos', tion), Dmax - 3650C; (D) the,Co compound rith IV is light violet, melting point 3000C (decomposition), Dmax ' 2430C; Zn compound light yellow, molting point 140 - 2200C$ Dmax * 1570C. The low stability of the compound with IV is explained by the fact that substitution of CH 3 for,the hydrogen of hydroxyl groups prevents the formation of H bonds. X-ray patterns of Zn polymers showed a decreasing crystallinity in the series I~IIII> IV (the latter polymer being amorphous). There are 2 figures, 2 tables, and 4 referencesi I Soviet and 3 non-Soviet. The two references to English-language publications read as followat R. Martin. H. Watemnann, J11 Chem. Soc., 2545, 1957; Ch. K. Ingold, J. Chem. Card 3/4 1'2 1; 1 - '/66"l '"'tudie.-, of coordination B101/BI10 5oc., 119, C164, 192"l. A'~')Z;OCTATI()';: Inntitut eleraentoorgan-.cheskikh uoyeclineniy Ali 3S.311 'le " ) (In!,titute of TE mentp.:. Organic Compourds AS USSR' SUBMITTED: January 16, '1961 1ELYUSKrIt X.Yu., inzh.; VOLKOV, V.I:.,, Imb. PoIrwro in repair oporationsi, Elokb i toplo tlaeag rwsns 33-34 11 165 (IMM 1931) VOIXOV, V. I. VOIXOV, Ve I. -- "Convergent Series of Linear Positive Operators in the Space of Snooth Functions of Two Variebles.0 Moscow City Pedagogical Inst imeni V. P. Potemkin. Moscow, 1955. (Dissertation for the Degree of Candidate of Physicomathematical Sciencese) SO: Knizhnaya jgtMjsI, No. 4, Moscow, 1956 AUTHOR: Volkov, V. 1. 20-1-3/54 - -------------- TITLE: On the Convereence of the Sequences of Linear Ponitive Operators in the Space of CDntinuoua Functions of Two Variables. (0 okhodimooti p osledovatellnostey lineynykh polozhitellnykh operatorov v prostranat.,ve nopreryvnykh funktsiy dvukh peremennykh). PERIODICAL: Doklady Akademii flauk SSSR, 1957, Vol 115, Ur 1, pp. 17-19 (USSR). ABSTRACT: LL(f( , );x,y) signifies a sequence oflinear positive operators wHich is assumed in the set of the functions f(x,y) in a closed and limited domain Theorem 1: When the follow--',nbr four conditions are satisfied for the sequence L n(f;x,y) of ihe linear positive operators 11 1) Ln (I;x,y) = I + a n(xyy); 2) Ln(~;X'Y) - x + Pn(x,y); 3) Ln(-J'X~'Y) . Y -+ 7n(x2'Y); 4) L 2 2;x1y) . X2 +y 2+^ (X,Y) n + ~ 6n (where a.1 0 n. I Yn 9 Enin the domain steadily tend towards zero), the sequence L n(f;x'Y) uniformly converges toward f(XIY), provided Card 1/2 that f(x,y) in this domain is not conti~uouo. The proof for this Gii the Convergence of the Sequences of Linear Positive 20~1-3/54 Operators in the Space of Continuous Functions of Two Variables. theorem and a.lemma with proof followq Then it is shown that when the conditions of theorem 1 are valid, the four functions 2 2 0 1, X) Y9 x +'Y can in no manner be replaced by three functions. Among others the following theorem applies. It is not possible 2, 3, continuous in B. to select three functions f k(XIV ' k-l so that from the relations L fk;X,y - f k(xly) + a ~ k(xly) n n, (,-,Cly)f I-Y) 0 the equation L (f;x,y) - f(x,y) - P (X . n n n,k l,(X.)Y) Z30 would folloy-, In this connection f(XPY) sienifies Pn , any continuous function ir. 5, and L (f;x,y) - a sequence of linear n positive operators. ASSOCIATION: State 2edagogical Institute imeni M.I.Kalinin (Kalininakiy 1,,osudarstvcnnyy pedagogricheakiy institut imani H.I.Kaliziina)" PRESENTED: January lo, 1957 by V. I. Smirnov, Acadenician SUBMITTED: December 16, 1956 AVAILABLE: Library of Congress Card 2/2 lo".46oo SMT AUTHOR: --Ilolko,,,,, V. I. TITLE On Conditions of Conversence --f Succe:-,sivene~-s of' Linear Positive Operators in the S2pace of Conzln,,~c--;s Functions Assigned on Cl-ozed Stirfaces PERIODICAL: Uspekhi matematicheskikii nauk, 1-960, vo,1 15, 1,,.r -I, Pp -.81-164 (USSR) ABSTRACT: Let M be a closed bounded set in Euclidean space and Ln(f(q),p), p,qiEM be an arbitrary sequence of linear positive operators defined on the set o0L all functions f!q) continuous on M. The system of m fun2tions, f I(P)l f2(P) .... I 3, is called an F ,-system on the set M Card 1/5 fm(P), m > On Conditions of Cowiergence of Succezaiveness 778;01 1. of Linear Positive Operators In the Space of S G V/4' 2 - 2 5, - Continuous Functions Assigned on Closed Surfaces If f or ever., triad oil pc'Lnts p, the rank of the matrix: fI (PI) f2(pl) (T)l) f1(P2) f2(P2 M(P2) f f I(P3) 2(p3) 'fm(P3)) Is three. The system o" m continuous functions on M is.called the Ym sy3--,em on M if for every point p0 42 M a polynomial: m a f P) (p, Po k Card 2/5- On Conditions of Convergence of Suc, (- c s ~; i v u. i,,e s,~ of Linear Positive Ope.-atoA- 5 t e IS P a -- e c f Continuous Fun,ltiori,.,; Ass.igned or., Clo-zled Surl'aco:~ can be found ouch tilat. Y(p 0 p r) % 0 0 0 > 0 if P/ p 0, p(E M. P. P. Korovklt-i has shown that it is necessary that the Sy3teM r (P M > belong to F~n and suff1clent that J t belong, to in order that: L k -4 (2) n(f 1P) -k(P) imply: L (f,p) f(P) (3) n In his paper the author examines conditions for which Card 3/5 Ln(f(q),p):3f(p1) a On Conditions of Convergence of Succe3ziveneus 778,01 of Linear Positive Operators In the S-Jace of' ~Q C Continuous Functions Assigned on Clost~d Surface~~ where V(q) 15 an arbit.-ary and M Ic- a ciosed surf'ar~e of' a three-dimenslonal srace. Theorem 1: There does not exl8t an R1, 3yotem on the set consisting of a pi(!ce of a plane Q and the oequence of points CL ri converging t*,o the interlor point p0o~ this piece. From this theorem it follows, If an R 4 system ,L - is given on a surface, then this surface Is riot self intersecting. Theorem 2 Tf on a cloned surface in three-dimensional space an R 4- system is given, then this surface is hcmeomorphic to the sphere. A Consequence of this thEorem is that Vor no closed surface, except possibly for surface homeomorphic to the sphere, can there be found four functions f,(P, Ir k = 1,2,3,4) continuoi;s on this z;urface s-1,ch that Card 4/5 ~2) implies (3) where I~1 (f,p) Is an arbitrarY sequence of On Conditions of' Convergence of Successiveness 1-7801 of Linear Positive Operators in the Space of' SOV/42-115-1-5/27 Continuous Functions Assigned on Clo3ed S,,irfllace3 linear positive operators In the space of' continuous functions de'Llned on this ourface, and f(p) is an arbitrary continuous function. Theorem 3: In order that (2) imply Mohere Ln(f,p) is an arbitrary sequence of linear positive operators In the space of' continuous functions, given on a surface homeomorphIc to the sphere of a three-dimensional space, and f(p) is arbitrary continuous function on this surface, I,, is necessav and sufficient that the system [(fk(p)~ be an RU-system. There are 5 Soviet references. SUBMITTED: November 20, 1958 Card 5/5 VOLKOV, V-1- SEE ILC D:,-CEASED APPLIED CHEMSTRY TURBOES ur VOIKOV. V.I.. inshener. ..... .1-- t ... ., Goiaments on T.I. Golikov's axticle. Priborostroania no.7:22 JI 157, (Geex cutting) (K[3A 10:9) 0 86-58-6-11/34 ALMO R T-P=: Pecullaulties of the Navigation of a High-speed Bmber (Osdbennoxti samoletovozhdeuiyiL skorostnogo boubardirovsbehika) PERIODICAL: Vestnik vozdushnogo flota, 1958, Nr 6, PP 34-39 (USSR) ABSTRAM: In this article the autbor dsocribes in detall the pre-flIght and in-flight procedures used by the navigator of a high-speed bomber. At theL end of the article the author mentions that the air position indicator may be of great belp to the navigator during enroute flight and that it is used in his aircraft as one of the basic navigational instrmne=ts. Having set the wind data im, the error of the air position indicator never exczeds 5 percent within the covered distance. Then am three diagnum. AVAILAZZ: Library of Congress 24 (4) AUTHORSt Volkov, V. I., Engineer, Frolovq N. I.g sov/119-59-4-0/18 sneer TITLEs A Device for.the Measurement of Eccentric,Parts (Unt'snovka dlys,, ismareniya ek.stsentrikov) PERIODICAL: Priborostro'oni7e-p-1959, fir #i p 20 (USSR) y WMTRACT Thi'*'--do*ice'-Is,intanded.for~the measurement of the radius- vectors--ot. -ec.centrio -1-arts an& -consists- of an- optical .-dividing keaklandrdt- Ik yertlca2 - oomparatory which- are-boW mounted- on -plite. -By means of - -the - dividing- part - the -occent,rie~ptrt-und*x-lsives+,igation-con.bo,,adjustod to-a given .can,'-:the'*-ii . deed. -for, i1he measuToment of - the length of the rAd1iv-'-,i6"q$0T8 ~-of - thi ooceliter with - an- &couracy - of 0.001' mm., -Tho', sM:'i~juetmeit-of -the -aevicie must ~be -chocked pre"Mis to us6.--Ths-,'yroe-edurb- -f ollo"'wed in~ the veasurement- Is,-cvtjjz",-- stop -,-br,. atop. --If -this instrument--is- intrdddeed- into:lhe- z~achino shopq the control by the central works laborator.** Card, 1/1 b6comes superfluous. There it I figure.- VOLKOV, V. L Gaud Tech Soi (dies) "Research on the interconnection between axial stred-lan)d the of washi.ig devices and unloading trowels qf~14A modern-type dredging pumps." Gorokly, 1959. 23 pp with graphs (Min of RiVer Met RSFSR. Gortkiy luxt; of Engineers of water Transport. Chair of NOW 4RWa Installations and Auxilliary 100 copies M, 46-59, 137) VOIZOV., V.I., inzh.; KMOVSKIY., I.I.,, prof,,, doktor tekhno im*, otv, red, (Investigating the performance,Iof dredger pumps) Iosledoyanie raboty refulernogo nasona. Gorlkiip GIIVT, 1959- 5%96 (Gorkiy. Institut inshenerav vadnogo transport&. Tfudy, no.24). (Dredging machinery) (KM 15:6) VOLKOV, V.I. 39miautonatic unit for hot tinning of spri et emb. Priborostroenie no.7S19-21 il 060 " W: 13:7) (Tinning) VOLKOV, V.I. Geology and composition of Yaurin dome-ahaped volcanoes, Trudy lAb. paloovulk. Kazakh. gos. un. no.2t.102-116 t63. (MIRA 171ll) 1. Voesoyuznyy institut mineratinogo eyrtya. IDYTJK(YV, L.M.; VOLKOV, V.I.; SEMENOV, YU.D. U~ I Evaluating the drillability of rocks on the basis of geophysical data. Trtidy VN11BT no.11,%106-112 165. (MIRA 18:5) A 36950 S3/l42/6i/oo4/oo6/ol5/Ol7 E192/E382 AUTHORS: Bolotin I L.I Volkov V.I., Lesnylzh, M. S. , Lyap1calo, Yu:~11~7~erFftilc-Jn, V.A., Pipa, A.V. orgnk Cher L. TITLE: 1111S poo,,~erl'phlsang osciffaRt6rL PERIODICAL: Izvestiya vysshikh uchebnykn zavedeniy, Radiotelchnika, v. 4, no. 6, 19ft, 726 - 728 TEXT: Generation of high-power bursts of ultrashort-wave frequencies is of importance in linear accelerators of heavy particles. A pulsed oscillator based on the triode, type rv%-i,,,A (GI-4A), was therefore doveloped. Constructionally, the oscillator is based on coaxial tuned circuits, in which the tube operates as a grounded-grid system (Ref, I - M.S. Neyman Triode and totrode generators for URF (Triodnyye i tetrodnyye generatory SVCh), Sovetskoye radio, 1950). The anode-grid resonant circuit is in the form of a quarter-wave line, terminated with the interelectrode capacitance Cag (Fig.. 1). Since the external diameter D 33 cm, internal diameter d = 14 cm and Cag = 35 pF, the resonance frequency is 142 Mcls and the length h of the anode grid-tuned circuit is 19 cm; Card 1/3 S/142/6i/oo4/oo6/015/017 A high-temperature .... these calculated data were verified wperitnentlly. The cathode-grid circuit is in the form of a short-circuited polycylindrical coaxial section of a half-wave line; this is terminated with the capacitance Cag . The feedback is provided by three non-adjustable loops positioned at angles of 1200 with respect to each other, in such a manner that the loops pass through the conmon wall of the resonators. The separator condenser in the nnod-grid circuit consists of six groups of condensers, each consisting of two condensers in series. The oscillator was tested with an 8`-~ resistive load, which wag in the form.of a polystyrol cylinder with a water solution of sodium ca2-bonate. It was,possible to obtain a maximum power of 1.2 MW with an anode voltage of 32 kV and pulse duration of 450 lis. The oscillator was also tested with a higli-Q load formed by the resonator of a linear proton accelerator; this had a resonance frequency of 142 Mc/s and a quality factor of 50000. It was found that at an anode voltage of 36 RV the resonator of the accelerator received a power of the order of 500 W, so that the protons could be accelerated up to energies Card 2Ai s/i42/6l/oo4/oo6/ol5/0l7 A high-temperature .... E192/E382 of 5-5 MeV. There are It figures. ASSOCIATIOIN: Uchenyy sovet FTI AN UkrSSR (Learned Council of FTI AS URrSSR) SUBIMITTED: April 28, ig6i Fig. 1: h, Card 3/3 LESNM, M.S. BOLOTIN, L,I.; VOLKOV V LYAPKALO, Yu.H.; MERZLIKIN.. V*A,,; L.L. PIPAY A.V.-I SIDMNKO,, I.S.; I'iiR ftwer impulam self-oiseiUator. Izv.vyo.ucheb, says; radiotakh. 4 no.6:?26-?28 N-D 161. (MM 15:4) 1. Rokomendovano Uchenym oovetou Fiziko-tekhaichookogo inotituta All USSR. (0oci3-lators,, Electric) (rulas techpiques (Electronics)) - Gravity prospecting, methods. Trudy VITR no.4:159-168 161, (14IRt. 14:9) (Gravity prospecting) /I I 0 KOZLENKOY N.I.; VOAKOV, V.K. Noitseproof feature of clipped epeech signals subject to the acUon of impulse interference In the ccw=icatlon clannel. Slektrcsviazl 18 no.12351-55 D 164. (MIRA 18g]) RZY21kKII, M.S.; TSIRLIN, A.M.; KLESSECIIEVNIM, S.I.; VOLKOV) V.L.; NAWEIN, B.I.; KAZAKOVA, J'.V. Yletted-wall apparatus for continuous synthesis of triethoxyuilane. Bi u1. tekh. --kon..tnfom.G os. no uch. .-Is s1. ins t. nauch. I tekh.inform. no.09:21-23 102. OURA 15:0) (Distillation apparatus) (Silane) 5(2) SOV/78-4-2-1/40 AUTHORS: Nesmeyanov, A. N., Anisimov, K. N., Mikheyev, Ye. P., Volkov, V. L., Valuy0vaj Z. Pe -------------- TITLE; Fraparatio-- if Tungsten Carbonyl by the Interacticn of Iron Pentacarbonyl With Tungsten Hexachloride (Polucheniye karbonila vollframa vzaimodeystviyom pentakarbonila zhelaza s shestikhloristym vollframom) PERIODICAL. Zhurnal neorganicheskoy-khimii, 1959, Vol 4, Nr 2, pp 249-252 (USSR) ABSTRACT: The interaction of tungsten-6-chloride with iron pentacarbonyl in an ethyl ether medium was investigated. The tests in the autoclave were carried out at the following molar ratics of the individual components: W01 6 : Fe(CO)5 - I - 2,25 ari 1 : 3.25. The temperatures during the tests were: 70, 90, 110, 130, 1509 170 and 1900. At the molar ratio Fe(CO) : WC! 1 5 6 - 3.25 : I the yield of W(CO) 6 increases with temperature; it shows an increase of 29-31% at 200, Gf 34-42% at 700 ' and Card 1/2 of 72-75% a'. 900. The course of the reactio'n is shown in the SOV/78-4-2-1/40 Pre,pa=ekoic#n, of tungsten Carbony-1 by the Interaotion of Iron Pentacarb!5nyl With Tungsten flexaohloride following equation: WC1 6 + 3Fe(CO)5--*-W (CO)6 + 3Fe C12 4 9CO' The supply of hydroE~en te "he reaction mixture after the conclusion of the reaction, inrreases the W (CO4 yield to 85%. This reaction corresponds to the following equation. WC16 + 2Fe(CO)5 + H 2--O-W (CO)6 + 2Fe C12 + 2HCl + 4CO. The production of tungsten hexacarbonyl is described ir. detail. Results which are woll reproducible are obtained by this method. There are 2 tablea and 7 references, 3 of which are Soviet. SUBMITTED: December 9, 1957 Card 2/2 of a It M ofv A I-Lb, It 11-1- A A Simon CA lbe sewdum W uo" slawspa, lU6:brJ(lt03),--A disa-umi.. VA (d Qw -healmm WW hjMtk,,.j,j; 0 0 cow. pralhat" of sy"wk vll,. 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S 9 It. 04 231,.4pr. 30, 1946. Both lunuert = * ' - I r - by the action of gawous Clf4 under pressurv, o 00 on UqUW Whal a trop. not shaveW. After , pktkxi 00 d i 'Abift of the reortion uwvwodN vxwed and the reaction ~ QV I 00 product k * f In 11.0. Tbe ~iwm Product Is then 14), d t h 0 to - Can e to to wej~. t e O&W Isomer. am Front (he 0 0 Altrate the fiquid iscro" is sto. by W uuW mesm. 06 f3 llowh 00 004 141043 Gat 15 AV 10 AS,' r-4 I U Cc It it 00 0 0 0 41 0 0 0 0 "NIL 110W0 *OINK 0 A a 3 s I 0 0000 0 *so*** 0000000 -00 of -00 00 0*9 .2,90 qSo Ito 0 9*0 too be 0 DOO I -Tar a A gem "41 a V. L MKI N. M. bAvSWtyAL4jv. 01M. Now. lst! 004 art "V"I Im 4kwt -00 gaff a -6 . In aevadmice with Rawlt * [awl with =11-1- -Iwn themingno. of The f"-d, dWillate, see 00,3 fWd,:"tkm for the no. of JAAtr% (11) In low f"11 ld 51,11 Ollo cakimed la to a IN Ijrp(w - lWarf sod IOCI&IN+ k4 be c I (Or/ - b) OV woo 004, + + 01, x,, sad z. aft the 990 Sol mak ftwOms at The wre voLithe cmimmats In The rimIl. dW111410. and boloomma, r"p,. a k the Tr6tivv woe dw won web elk cmvmpnnmt. X k low ",11"S he Ind CWAJOVM by U - PIP (p is WAAS. P Is gindo. d1odkite), and A I* a nast. of Goo M. Hawk woo gee woo we@ logo 1,011MATV" CUWIUVM too" j'j"SSj*' I -10 , $400440 MIA* Oftv -044 woo IVE CUSIn.4 =#., u S ST 0 All; 1 6 9 4 4 11 F as 0 x 6 1 V a 0 A a 1 4 v ;;L",- 0 to a a a 0 a 0 a 0-90 a a a 40 0 0 0 0 0 0 0 a 0 gfoes*qo* 0 0 a a 41000 0 0 a 0 -0 0 0. *,. 4L~qup 0-9-0-0-0 a a a & a * 0 a 0 a 0 0 : 0 -YOLKOVIV,Z_Lj,#, kandidat tokhnicheakikh nauk; ZHAVORONKOV,N.M.. professor, '%doitor tekhnicheskikh nauk Calculations pertaining to rectification plate towers. Xhim.prom. no.9:264-267 s,47. (MIRA 8:12) 1. Fizika-lddmicheskiy institut Imeni Karpovs. (Distillation apparatus) SOV/78-3-11-1/23 AUTHORS: Volkov V. L. ~ikheyev, Ye. P., Anisimov, K. N., Yeliseyeva, .4~.ie., Va'lu;eval Z. F. TITLE: The Production of the Carbonyl Compounds of Molybdenum and Tungsten (Polucheniye karbonilov molibdena i vollframa) PERIODICAL: Zhurnal neorganicheskoy khimii, 1958, Vol 3, Nr 11, pp 2433-2436 (USSR) ABSTRACT: In the present paper the authors investigated the reaction velocity, the impurities, the time, as well as the temperature and the pressure of the reaction gases, and the nature of the solvents on the course of the synthesis and the yield of the carbonyl compounds of inolybdenum and tungsten. The synthesis of molybdenum carbonyl lasted 2-3 hourst the synthesis of tungsten carbonyl 1-1,5 hours. Tungsten carbonyl is produced with a yield of 81-85% at a reaction temperature of 32-670. The production of the carbonyl oompounds of tungsten and molybdenum is usually carried out at 50 atmospheres absolute pressure. Experiments were carried out to produce molybdenum carbonyl under a pressure of 20-30 atmospheres excess CO-pressure. Zinc Card 1/2 powder and aluminum powder were used as reducing agents. If SOV/78-3-11-1/23 The Production of the Carbonyl Compounds of Molybdenum and Tungsten aluminum is used as reducing agent the yield of molybdenum carbonyl amounts to 0,6% at 180C, 10% at 1000C, 9% at 1500C and 100 atmospheres excess pressure. If iron powder is used as reducing agent, the yfeld of molybdenum carbonyl amounts to 1,5% at 1000C. If zinc ia used as reducing agent, the yield of molybdenum carbonyl is not higher than 616%. Mainly zinc powder is used as reducing agen-, for the production of tungsten carbonyl. The yield amounts to 85%- It was shown that for the production of carbonyl compounds ether in a quantity of not more than 2 g-mol to 1 g-mol metal chloride is necessa-ry. Thereare 2 tables and 3 referenceap 2 of which are Soviet. SUBMITTED: October 2, 1957 NSSMANOV. A.N.; AXISIMDV, K.N.; MIKHMNY, Ye.P.;,,Yq;~~, Y.L.; VALUTIWA. Z.F. Pr"mtion of turgeten carbonyl IT reacting iron pentacarbonyl witb tur4,pstan bexachloride. Zhur.neorg.kh1m. 4 m@2:249-252 F 159. (MIRA 120) (TuWton carbonyle) (Iron carborWIs) (Tungsten chlorideo) 5(2) SOV/78-4-3-2/34 AUTHORS: Neameyanov, A. N., Mikheyev, Ye- P., Anisimov, K. N.) Volkovo V. L., Valuyeva, Z. P. TITLE: The Sy-n-TWe's-is of Moly1denum Car'bonyl by Interaction Between Iron Pentacarbonyl and Molybdenum Pentaohloride (Sintez karbonila molibdena v:saimodeystviyem pentakarbonila zhelaza s pyatikhloriatym molibdenom) FERIODICALz Zhurnal neorganichaskoy khimiit 1959, Vol 4, Nr 3, PP 503-505 (USSR) ABSTRACT: It has been found that molybdenum hexacarbonyl is formed in a maximum yield of 28-5% by the interaction between iron penta- carbonyl and molybdenum pentachloride in the presence of hydrogen chloride un&ar a carbon monoxide pressure in an ether medium. Molybdenum hexacarbonyl is formed in a 15% yield at 1750 in the presence of compressed hydrogen in an ethyl ether medium. Molybdenum cerbonyl is formed in a yield of 23.4% at 1750 when the reaction is performed in an autoclave with hydrogen (initial pressure 100 atmospheres) and carbon monoxide (initial pressure 50 atmospheres). There are 2 tables and 1 Sovietreference. 5(2) SOT/78-4-8-19/43 AUTHORS: Nesmeyanovp A. No, Anisimov, K. No, Lo ~-oy Fridenberg, A. E., Mikhoyev, Ye. P., Medvedeva, A. V. TITLE: The Synthesis of Chromium Hexacexbonyl by the Reaction of Chromium Trichloride With Lithium Aluminum Hydride and Carbon Oxide Under Pressure (Sintez geksakarbonila khroma vzaimodeyst- viyem trekhkhloristogo khroma a litiyalyuminiygidridom i okislyu ugleroda pod davleniyem) PERIODICAL: Zhurnal neorganicheskoy khimii, 1959, Vol 4, Nr 8, pp 1827-1826 (USSR) ABSTRACT: If the reaction mentioned in the title in carried out at a ratio of I mole CrCl*3 .: 3 mole LiAlH4 in etheric solution at 650C and a pressure of 100 at, Cr(Co)6 is obtained in a 65% yield* The hitherto published data (Refs 1-6) show lower yields. A lower content of.lithium aluminum hydride in the reaction mixture and lower temperatures strongly reduce the yields (Table 1). There are 1 table and 7 references# 3 of which are Soviet. Card 1/2 L 42982-66 AP6013232 SOURCE CODE: UR/0413/66/000/008/0022/0022 INVENTOR: Volkov. V. L.: Drozdov, A. K.; Kabyshev, A. S.; Leont' yev. N. G.: Ustinov, V. W ; Frayman- if S. ; Tsirlin~ ORG: none 13 TITLE: Preparation of trichlorosilane. Class 12, No. (announced by the Podoll sk Chemical Metallurgy Plant (Pololl skiy khimiko-metallurgicheakiy zavod) SOURCE: Izobreteniya, promyshlennyye obraztsy, tovarnyye znaki, no. 8, 1966, 22 TOPIC TAGS: silicon compound, hydrogen chloride, explosive forming ABSTRACT: An Author Certificate has been issued for a method of obtaining a trichlorosilane by an interaction of silicon- containing crudes with hydrogen chloride. To prevent forming dangerously explosive polychlo rosi lane coarse-crushed silicon- containing crude of 30-mfn partic Le size is us`e-ff-WTWYconttnuous feed of hydrogen chloride. Conversion is completed by reciprocal circulation of the silicon- containing crudes in the reaction apparatus equipped with an arrangement for mixing and conveying solid crude. [Translation) [NT) SUB CODE:0'7,1 I/SUBM DATE: 24Apr64/ L Card 1 / 1 CHElffUSTKIN. A.B., reJ. '. IT-SVI'VIGHP FLISKrN, L.G., ri-d.; RAYH-'All, N;::3,~ lrrll-~ VA.; VOLKOV. V..L., red.4 7J!... re-d. [Autlomatir- Operational ccm~r,~ of proiar-tion pro"ases; transactions] upravlenle pro- i,-wods'vennyw*- prAse9sarid., tru,17. Mos",mi,, flauka, 1965. 214 p. (MIRA 18:3-1) 1. Vsesr-,yuznri-,,ta kmfi~rpntskya. u4.% aeomatith-~zkoilm opera- timoam upravle-riyt pr(AprilyatiYaMl. .1st. Moscowp 1963. iRAYMAN, R.S., khnd.takhn.nauk; SYRKIN, V.G., kand.taklin.naukI VOLKOV V,L., doktor te'khn.nauk Investihttl* the process of Me separation of fine metal powders in a cyclone bank. Khim.mashinostr,. no.6120-22 N-D 163. (MIRA 17t2) S/igi/62/000/012/007/015 BIOI/Ble6 AUTHORS: Volkov Kafyrov, M. I., Kleshchevnikova, S. I., Rumyantsevaj Ye. 1. TITLE: Synthesis of triethoxy silane, PERIODICAL: Plasticheskiye massy, no. 12, 1962, 28-29 TEXT: Triethoxy silane is synthesized by bringing trichlorosilane into reaction with ethanol at 25-300C without using a solvent. The following conditions must be satisfied: (i) In the reactions the component ratio must be strictly adhered to. . The volume ratid'inlicat6d Is: SiHCl 3:C2H5 OH-1 :1-75- (2) The water content of the ethanol must.be'leas than 0.2~. (3) The hydrogen chloride formed must be evacuated rapidly from the reaction vessel. This wao secured by passing through nitrogen at a rate of 1-1,5 l/min per liter of reacting liquid, by increasing the nitrogen rate to -4 l/min when the introduction of .,omponents was completed, and by heating to 50 OC when the C1 content of the reaction mixture had reached 7%. The flow of nitrogen was stopped -vhen the C1 content dropped below Card 1/2 s/.191,/62/000/012/007/015 Synthesis of triethoxy silane B101/B186 .1~. The product was rectified. Yield 35~*. The losses in SiH(OC H 2 03 are due to theentrainment of reaction -:)roducts in the HC1 and N2 currents 5P/4), to side reactions and .-.o rectification losses I'/',) There are 1 figure and 1 tablb. Card 2/2 mom s/iq3/6P_/ooo/o1D9/001/002 M AUTHORS-: Reybakh, M. S., Tsirlin, A. M., Kleshchevnikova, S. I., Volkov, V. L., Platveyev, B. I., Kazakova, 11. V. TITLE: Film-type apparatus ior the continuous triethoxysilane synthesis PMIODICAL: Byulleten' tekhniko-ekonomicheskoy informatsii, no. 9, 1962, 21 - 2j MT: This new apparatus~'for Ithe continuous triethoxysilane synthesis, in which the reiction and desorption zones are separated, has been developed by an organization of the Gosudarstvenny komitet po khimii (state committee on Chemistry) at the Council of Ministers of the USSR. The apparatus is a film-type mass-ex- c1tinge column, whose design and operation are described. A table gives compara- tive data on the triethoxysilane synthesis in film:-type and bubbler apparatus. The raw material consumption in the former is only half of the latter, while the output of the film-type apparatus is'by 25% higher than' that of the bubbler type. Comparing the technical and design data of the continuous film-type apparatus with thoze of the periodic bubbler apparatus, it is shown that the working volume and hydraulic resistance of the film-type apparatus are considerably lower than Card 1/2 Film-type apparatus for the ... Aoo4/Aiol those of the bubbler apparatus, while the specific surface of heat exchange and the specific surface of phase contact are many times larger (345 and 130 times respectively), which ensures a sharp reduction in desorption time. There are 1 figure and 2 tables. 'Ile jf Card 2/2 PILVTI~Uij Res, an Mr-IN V.13.; do*:tor ., It ~' I tel:hn.nw!k Separation of fJnoly dlzn':!rs,3d powder fractio.-in. a Of CVCI,.Irtel3. Khim. no.7:1+94-498 J1 161. ("'liv, Ilo'7) S/OX6695/025/012/012/022 B117/B104 AUTHORSt Volkov,_V. L., Tolmasskij, I. S., and Fridenberg, A. E. TITLEt Carbonyl iron powders PERIODICAL: Akademiya nauk SSSR. Izvestiya. Seriya fizicheskaya, v. 25, no. 12, 1961, 1483 - 1486 TEXTs Basing on certain relationshipt established between the physica- chemical and the electromagnetic properties of carbonyl iron powders, the authors have developed new types of powderst Carbonyl iron powders (KZh) exhibiting small values of the loss factor (Ref. 3: Otchet organizatsii P/ya 4019, 1959), carbonil-iron-nickel powders with different nickel conte'nIs (Ref. 43 Volkov, V. L. Ivashova, M. V., Tolmasskiy, I. S., Otchet organizatsii p/ya 4019, 1958) 3nd decarbonized carbonyl iron Bj(X'VKZh). The examination of the above-mentioned powders has shown that ihe initial permeability of a KZh-type powder is much smaller than that of powders of the types VKZh, H -5(N-5) and H-50(N-50). This is due to the fact that KZh powders contain considerable carbon and nitrogen Card 1/3 31605 B/048/61/025/012/012/022 Carbonyl iron powders B117/B104 admixtures (in the form of carbide and ferronitride), and to the nodular structure which prevents the domain boundaries to be displaced under magnetic field action. Magnetic losses increase by decarbonizing carbonyl iron powder. Due to the destruction of the nodular structure, eddy current losses, e. g. occurring in VKZh powders are almost five times and hyster- esis losses twelve times those of the corresponding losses of KZh powder5. Due to lower conductivity, resulting from the iron being alloyed with nickel, losses of carbonyl iron nickel powders (particularly of the N-50) are much smaller than those of VKZh. Compared with KZh powders, decarbo- nized powders are characterized by hieher temperature coefficients of the initial permeability, because with the! admixtures removed the boundaries of the domain are supposed to be displaced easier. Electromagnetic para- meters are chiefly determined by their chemical composition and their particle size. It has been shown that hysteresis losses are minimized by reducing the carbon and nitrogen content. Due to a smaller number of particles exhibiting nodular structure, a further removal of admixtures results in an increase in the eddy current and hysteresis losses. A decrease of admixtures in KZh powders as the result of different conditions Card 2/3 31s% 8/61/025/012/012/022 Carbonyl iron powders B117/BlO4 of preparation decreases the temperature coefficient of the initial per- meability. An increase in size of t'ne particles of Uh powders, the chemical composition remaining unchanged, leads to an increase in hyster- esis and eddy current losses and of the temperature coefficient of initial permeability. The frequency dependence of the magnetic loss angle tangent found in this ws.7,~apparently confirms the presence of magnetic viscosi- ty in carbonyl iron, due to admixtures. There are 2 figures, 3 tables, and 8 referencest 6 Soviet and 2 non-Soviet. The reference to the English-language publication reads as follows: Richards, C. E., Post. office Eng. Res. Station, 1952. Card 3/3 3(4) SOV/6-59-9-7/19 AUTHOR: Volkov, V. 11. TITLE: on the Use of a Mobile Car Repair Jhop PERIODICAL: Geodeziya ikartografiya, 1959, Nr 9, p 32 (US8R) ABSTRACT:. In March 1958, Team Ur 61 received a now mobile car repaiz shop' of type VAREM-3. In summer, it vras stationed at the of the Team and in case of need, was called to repair auto- mobiles. Due to the small number of spare parts available, it wan not ponsible to plan the work of the car repair shop in advance and to visit the individiml brigntlop rogialftrly for a prophylactic inspection of the care. Thetbrigades worked at a distance of up to 600 km from the spite of this circumstance, the Party working in Central Kazakhstan sucoeeJel in reducing considerably the waiting periods caused by dam-ages. For a better utilizatior of tho mobile car repair ohop, it in recommended to carry along a c,.r mechanic, a fitter, and an autogenous welder. Card 1/1 ACC NR: AP6033449 INVENTOR: Syrkin, V. G.; Tolmmass~ly, G.; Vol?ov, V. A. E. ,:;r.- ceased) ORG: None ITITLE: A method for producing highly dispersed carbonyl iron powder. Class 12, !No. 185864 ISOURCE: Izobret prom obraz tov zn, no. 18, 1966, 32 TOPIC TAGS: carIbonyl iron, iron powder, powder metal production ABSTRACT: This Author's Certificate introd-ices a method for producing highly dis-, persed carbonyl iron powder by thermal dissociation of iron pentacarbonyl. The yield is increased and a product with a low degree of carburization is obtained by sectionall inlet and outlet of the heating gas along the height of the equipment from top to bottom to produce "falling" temperature conditions. SUB CODE: Il/ SUBM DATE; 09Sep6i UDC: 546-72 VOLKOV, V. M. Tk wacular Work in 01,inper J)eterioraiAOns 'ture Jjwni 1. V. 1 9 V. M. - "The )ischanism Of Nm'rnin 'Inst of Physical Cul Of Biological I Volkov a St.te central order of ID for Wgroe of Capididate W..Ow, 1955. (DjoportAtiOn 0 sciences). is No. 23j, Y-Osw,, ime, 1955s, PP* 67-101+* , 1 Sol ftj-zhnaY& IstOP's 0 VOLKOT, V.K., kandidat biologicheskikh nauk Why is warming up necessary. Zdorovle 2 no-8:5 Ag 156. (KLRA 9;9) (PHYSICAL XDUCATION AND TRAIN111G) ,~TOLKOT. V.K., kandidat biologichaskikh nauk Pbysical culture and children's health. Zdorovle 2 no-9:1-3 3 156. (X;RA 9:10) (PHYSICAL ADUCATION FOR OHILDRIN) Vol-*V, I/W. IYANOV, N.A., professor; VOLKOV, V.M. T Successful use of ACTH and cortisone in treating exudative and arthropathic psoriasis. Yest.derm. i von. 31 no.4:54 JI-Ag 15?. (MIRA 10111) 1. Iz kafedry kozhnykh boloxney Voyenna-morskoy meditsinskoy akademit (PSORIASIS) (ACTH) (CORTISORK) VILETISKU, Khatskell MoiseyevJ!.th(lilltmn~kyl, Kh.I,I.J, kand. tOrm. nauk; ~~-.reliy Yeretieyevich (Falllkovych, 'S.L4.1, doktor telhn. zipiuk, KOVALICHUK, O.V., inzh.p red.iid-la; VOLKOV, V.M., kand. tekhn. naul:, retsenzent kezeptlon of centimeter waves] I,ryimannia santymctrovykh klivyll. Kylv, Takfimiks, 1964. 2()l p. (MMA 17:11) SIDORFSKOI V.V.; VOIXOVq V.M. Derivation of a logarItWc &nplltudo responce charactariatic in a transiator video amplifier. Izv. vya. ucheb, zav,; radio- tekh. 7 no.2s220-229 Mr-Ap '64. (MIRA 17:8) VILENSM, Kbatskell Yoiaeyevich [Vilens1kyis Kh.YS.)j, k&rd. tekhn. nauk; FALIKOVICH, S-iveliy Yeremayevich (Fallkovychp S.IE.)f doktor tekhn. nauk;_Xqj~OV,,V.11.~ kand. tekhn.nauk, retsenzent [Microwave reception] Prilamannia santymetrovykh khvyll. Kyiv,, Tekhaika, 1964. 292. p. (VIIRA 28:2) ACC NR% AP5026200 SOURCE CODEt UR/0142/65/008/004/0478/0481, AUTHOR: ~Vo~* V.j U. Rubtsov, A. T. I" HIM ORGs none -:z ,TITLE: Analysis of a transistorized resonant.amplifier operating in a wide dynamic, range SWRCE: IVUZ. Radiotekhnika, v. 8, no. 4, 1965, 478-481' TOPIC TAGSt resonant amplifier, transistorized amplifier ABSTRACTs An amplifier circuit'is suggested :Ln which AGC depends on the d-c -~component of the emitter current and on the nonlinearity of transistor characteris- ,,.;ties. Accordingly, the AGC resistor, in a common-emitter or common-base circuit, -i ,)is shunted by a capacitor which passes the r-f component and impede3 the slow- varying component of the.emitter current. Ap,,proximate formulas are developed for il designing such an amplifier. They were verif led experimentally ---on a P41 1-transistor amplifier operating at a resonance frequency of 26 Me with 3Mc and an equivalent circuit resistance of I kohm. The new method is Int'Wed for analytical, design. of. amplitude characteristics of the transistorizod TesoOmt amplifiers# UDGs~621.37.5.12WA -382-1 09o., tP12- VA. na f6r broaching amall alots. Blul. takh.-ekon. !nru-n. Gois. natmh.-Issl, .~nst. nauch. 1 takh. info=. 18 nn.?05-36 il 165. (MIRA l8ig) VOLKOV, V.M.; NOVINIKOV, A.G. Analysis of transient processes in a bandpass IF amplifier with instantaneous gain control according to the radio pulse envelope at large signal levels. Izv.vys.uchob.zav.; radiotekh. 7 no-5:624,- 628 S-0 164. (MIRA 18:4) MO. NO WME-0-m-M VOLKOV, V.m. - . ,. Gas exchange and respirationin boys perIfor=ir-g rh7th=ic lo-zl:- motive exercises at a raximum speed. Fiziol. zhur. 49 no.12: , 1457-1460 D 163. (MIRA 17:12) 1. From the Department of Physiology, Institute of Physical Culture, Smolensk. VOLKOV) V.M.1 NOVINIKOV, A.G. AnalysiB of transient proceBses in a tuned amplifier -with high-opeed automatic gain control, Radiotekhnika 19 no.6: 24-31 ja 164. (MRA 17: 10) 1. Deyetvitellryye chleny Nauchno-tekhnichookogo obahchestva radiotekhniki i elektroavyazi imeni Popova., VOLKOV, V. M. ; DYATKMA,, M. Ye Determination of the most stable configuration of molecules by the method of maximLm overlap. Zhur..strukt.khim. 4 no.5: 72&-733 S-0 163. (MIRA 16:11) 1. Institut obshchoy i neorganicheskoy khimii imeni U.S. Xurnakova AN SSSR. VCLKOVq V.M.; GAZHIrENKO V.A.; KURILI*, D.I. Devic.a,for rhacking and ealf-teoting of knowledge in ~programmed ...;ohing. Izv. Yrd. uchob. zav.1 radiotekb. 6 no-4:W-443 JI-Aff 163. (MIRA l6til) 7F" LEVIN, A.A.; VOLKOV, V.M.; DYATKINA, M.Ye. Theoretical examination or the stereochemistr-1 of c=plex co=po-ands of elements with F-electrons. Part 1: Conversion of the f-orbital of the central atom. 7hur.strukt.khim. 4 no.6s930-934 N-D '63. (MIRA 1'7;4) 1. Institut obshchey i neorganicheskoy khim.1i imeni Kurnakova AN SSSR. VOLKOV, V.M.; LEVIN., A.A.; DYATKINA, M.Ye. On the relative stability of isomers in NX-2T2 molecules- Dokl. AN SSSR 152 no.2059-362 S 163. V, (MIRA 16:11) 1. Institut obshchey i nearganicheskoy khimii im. N.S. Kurnakova AN SSSR. Predstavleno akademikom I.I. Chernyayevym. -.14. L A, A. I~chsnim of the addition of proton to methane. Zhur.strukt.khim. 4 no.lsII4-3-16 Ta-r F63. (HM 16t2) 1e Institut obahchey i neorganiches!-oy !&.Imii imeni N.S. Kurnakova AV SSSR, (Methane) (Protong) VOLMDVj V.M. Overlapping integrals and aWroxinate evaluations of chemical bond-energies. Usp.khim. 31 no*1221528-1538 D 162. (MIRA 16.-2) 1. Institut obehebey i neorganicheakoy khimU AN SSSR imeni .N.S.Xurnakova. (Chemical bonds) LEVIXI A.A.; !Qj~= ~V Calmaation of the proton affinity of methane and its hanclogs Zhur.strakt.khim. 3 no.6t721-723 062. (KIRA 15jl2j L-Inatitut, obshchey i neorganl.aheskoy khimii Ineni M.S. Rumakova AN SSSR. (methane) (Protons) VOLKOT -V.14--,-,, Mechanization and automation of production proceBBes in manufacturing micrometers at the mralibr* Plant, Stan.i instr. 32 no.9,06-41 S 761. (MIRA 14:8) Moscov-Mciometer) Mtomation) a Meng" 1!1~1 ?IMPN W-0 VOLKOV, V.M. dotsont, kandidat tekhaichaskikk sasir. Dalculating call impulse transformers. Sbor.nauch,tr7d.LNTIMT no.6:167-176 154. (Telephone. Automatic) NURA 9:1) VOLKOV, Y.M., kandidat bkhnicheskikh nauk, dotsent; MARRY, S.A.. Inshener. Investigation of cord pairs for the A"-47 and UATZ-49. Ober.LIIZHT w.1512159-16) 156. (MLIA 1011) (Telephone. Automatic) VOLKOY,,Yl!LikiqiJ,;,,,,,,"LkhMlolkg.b, DYUMi-- Bergey LIvovicItj KOROCIODSKATA, Rates YOVIKOY,Yssiliy -AleIrsand'rovich,: red.; Y]MIDNAN, A.B., inzh., red,; BOBROVA, Te.N., tekh:2. rod. [Telephorq] Telefoniia. Pod obshchei rod. Y.A.Movikova. Moskva, Oos. transpe zhel-dor. Izd-vo, 1958. 404 p. (MIRA 11:10) (Telephone) 67853 O-OV/142-2-5-8/19 AUTHOR: _1A TITLE: On the Problem of Transient Processes in Logarithmic Video Amplifiers, "V PERIODICAL: Izvestiya vysshi,kh uchebnykh zavedeniyj Radiotekhnika 1959, Vol 2, Nr 5, pp 607 - 615 (USSR) ABSTRACT: The author discusses typical transient process features in video amplifiers with 1ogarithmi-c-amplitude charac- teristics (LAKh - logarifmicheskaya amplitudnaya kharak- teristika), which is obtained by shunting the anode loads of amplifier staE;es by nonlinear elements, i.e. vacuum tubes or semiconductor diodes, for example DG-- Ts, D2 or D9 germanium diodes,, Relationsh~ps are derived for the pulse setup time at the amplifier output. Values are given for the inclJne of the flat pulse top and the "parazitnyy obratr*-y vybros" (translation unknown). The latter restricts the practical application.of lo-- Card 1/5 garithmic video amplifiers with a dynamic range of mor 67853 SOV/142-2-5-8/19 On the Problem of Transient Processes in Logarithmic Video Ampli.- fiers than 50-55 db. It is difficult to produce a logarithmic amplitude characteristics in a single stage for a range of more than 15-20 db. However, it may be obtained over a very wide range when -.ising several nonlinear stages, working alternately in logarithmic operation during in- put voltage increases, Figure 2 shows the amplitude characteristics of a nonlinear stage, requiring n stages for alternate op3ration and for two logarithmic bases (N = 2~72, N = 10). The equivalent circuit dia- gtam of a nonlinear amplifier stage is shown in Figure i, The author divides this circuit diagram into two . equivalent circuit diagrams, shown in Figures 3 and 6, for the higher and lowe.- frequencies. This is necessary, since the ptilse front d;-stortion is caused by the fre- quency response of nonlJ.near stage in the region of the Card 2/5 hi gher frequencies, while distortions of the flat pul, ~K 67853 SOV/142-2-5-8/19 On the Problem of Transient Processes in Logarithmic Video Ampli- fiers top are caused ")y the 'lower frequencies. Calculations and experiments perforried by the author showed that the equivalent circuit diagram in Figure 6 may be re- garded as linear, since the current in the circuit and the resistance of the nonlinear element remain 'practically constant during the influence of pulses of 5 10 microseconds duration (R - 1 kilohm, C a 1~ c 0.1 0.05 microferad). The author examines the for- mation of the "parazitnyy obratnyy vybros" during the discharge of the capacitor C after the pulse action is over. The discharge of ca?acitor C is shown by the equivalent circuit diagram in FigSre 7. The "Para- zitnyy obratnyy vybros", formed in a nonlinear stage, is considerably smaller than the signal and is ampli- fied according to a linear law, while the signal is Card 315 V411 amplified by a logarithmic law. Calculations and ex- 6 7 8!5 3 SOV/142-2-5-8/19 On the Problem of Transient ProcesEes in Logarithmic Video Ampli- fiers periments showed that the relative "parazi.tnyy obratnyy vybros" will rise to 6C% ( t - 1 microsecond, R. ~ 2 k.ilohms, C " 0.1 mi.crofared) at the end of tho logari- thmic rangs- of 70 db at the output of a video amplit.- fier consisting of nonlinear stages whose equivalent circuit diagram is shown in Figure 1. The pulse setup time at the outlet of an n-stage logarithmic video am- plifier decreases considerably with rising input vol- tages, while the incline of the flat pulse top and the "parazitnyy obra.tnyy vybros" increase significantly. The latter are diminished greatly, if the nonlinear elements shunting the stage's anode load are connected before the capacitors C 0. All theoretical assumptions explained in this paper were checked experimentally. The author ex-Dresses his gratitude to Professor N.F. Card 4/5 Vollerner for valuable suggestions, Publication of this 6 7 8553 SO-V/142-2-5-8/19 On the Problem of Transient Processes in Logarithmic Video Ampli.- fiers paper was recommended 'by the Kafedra radiopriyemnykh ustroystv (Department of Radio Receivers) of the Kiy- evskiy ordena Lenina politekhnicheskiy institiit (K-Lyev T~' Order of' Lenin - Pol t.-chnical Triatitute), There are 4 circuit diagrams2 graphs, I table and 2 Soviet 41- references. SUBMITTED: January 22, 1959 and a-fter reworking, May 4, 1959 Card 5/5 VO _Yladl Ir N11rhayl nVi-gh;- NOVIKOV, VasiliY Aleksandrovich; PONOKAREV, Alsksandr Arkadlyevich; NIMISKIT, V.A. 1, inzh. red.; BOBROVA, Yo.U., takhn.rod. (wire com=ication systems on railroads] Provodneia sviaz' na zholesnodoroshnom transports, Moskva, Vaes.isdatellsko-poligr. ob"edinenie 9-va putei uoob9h,-hsniia. 1960. 255 p. (MIRA 13.12) (Rallroade-Comcunica-tion systems) MASS I iWK EXPLOITATION 3OV/A426 Igrangrad. Inatitat In:henerov xh~I&zno,1orozhno&* transport& AvtOmAtIkA, t4I0m*kh&rA1C& I STY&X' (AutOm&t'Vn, WIonschanles. &r4 Ca unitations) Moscow, Transtholdor1z"t. 1960. 230 P. %Serlsot It*I 3borr4k, Vyp. 16-9) I.OW copies prLntsl. ftneral FA.i V. M. lAstav, Professor; 34.: 0. 1. M~ron"va, Engineeri Tech. 91.t To. N. bobrova. PM"Ut Thin b001c It Inttnd*l for technical personnel scientists engaged In the field@ of automation. tsieftschsrdcl~ and commumicatiocs. - I CaTLUGgi This caLlection or articles presents various methods at analysis and arnth*sl; of electric circuits. Now designs are do:crlbod ubd ways a Uproving technical and economic Iml 4 of CommuniCatiOn instruments Investigated. The artl: Jos contain'Oomp4t4tIons for Individual types of communl. cation and to2emahomical systems. No personalities are meatlan&4. 3000 of the articles are accompanied by references. C&n1--djto ot -,%rthrL~%: S~j~r.:qs. Docent. 7'Wte~d Of ZwVrOVU14 Ur=et-r- Of P011ri--t-1 Relays With BPr-*M 3=P6n3IO1%,cf '.hq An:=r 17T The author rm 'nt it a rjjc-~ -t Moolblo to the given tr&:- -~n st~.rgti% vt:uo~ of a rel CO&SUAt without Zur-*11% and to -Irp-ov* other r-qW AY tore. Them t-0 3 -refortn-ts, 4,11 32TIet. pa"- rAlagln, Couldl"te of On. ~.~Ysts of Cp~ral!'Cn of 3;wtd Me.%ys c. of to= the Magnetic Ctrcult .!*a authors or t~tb 183 Izr'54- - U.Ut~ . 11 1 I&YA ha, Ing a dllrr-.11-11.~ Cr ':h~ na';:reud eUvult. The artl'~14 %~ d2-~tpj t, I that of the tW~ tr th. e. more advantag.oua. Af ftar- Vlrv Circuits A.?td U3 nC C1-jS.rj: The author states trat ti-.1 ui. ef '&I trins nt. farmers in the tarstr-ic-c., -!~ systeti makes it possible to uzo try3til --n t-A amrllflors. whica. 1--lPlIrles tr' and Ida t0 its rvIlabIll-Ity. cf N Llni&r Fre-uency -3pectrum in Err;-7k- fl--:71datl~n S7*te%3 201 The authcr ~rtt-- with one rroq4sncy spectrum. This arrangement simplifies the equipment and re4ucea its cost. There am 4 reforoncest 2 Soviet, I English, am I ?"nch. X' D'. Candidate of Technical Sclences# Docent, 19. 11. V;jjb:~14traor. and V. A. Sobakinp Engineer. IN. Code Nonccntant Traftsmit'si Using Magnetic Anpll- riere 215 bla In the description or a noncontact transmitter or numerIcal code, designed by the authors I-% collabora- rion with Engineer A.- A. OrIgor1rants. The transmitter comerstes Code pulses by means of a special circult using sagnotic amplifiers and operating under relay conditions. Its model "a tasted at the 'Baskontak-ny7e sist*,Ay &Y-o- mstikl' laborstartya (N*ncontact Automation Sys- tons" Laboratox or the L112h? (LeniW&4 Railroad Ragi- beers Institut:1 ATAXIABLEt Library of Congress Cau-d 11/11 11-2-40 85322 S/142/60/003/004/006/013 AUTHORt Volkov, V.M. ElSIZ/E382 TITLE: Amplifier With an Exponential Amplitude Characteristic PERIODICAL: Izvestiya vysshikh uchebnykh zavedeniy, Rad�otekhnika, 1960, Vol. 3, No. 4, pp. 485-492 TEXT: A receiver with a logarithmic amplitude characteristic has an increased noise immunity in comparison with a receiver having a linear amplitude characteristic. Usually, the intermediate frequency amplifier in a receiver has a logarithmic characteristic which can be exprossed as z = a In x + I - where x and z represent the input and output voltages of the amplifier and a is a constant characterising the slope of the logarithmic amplitude characteristic. However, the receiver of this type results in a deterioration of the signal-to-noise ratio at the output, as compared with a linear receiver. This deficiency can be overcome, if the logarithmic receiver is followed by an amplifier having-an exponential amplitude characteristic. In practice, such an amplifier can easily be constructed. A block diagram of such a device is shown in Fig. 1 and its amplitude characteristic is illustrated Cardl/3 85322 S/l42/6o/oO3/OO4/oo6/Ol3 E192/E382 Amplifier with an Exponential Amplitude Characteristic in Fig. 2. The amplifier can be connected after the detector. A detailed circuit diagram of the amplifier is shown in Fig. 6. where the resistances R 1 and R 2 are employed to produce a suitable bias voltage across the non-linear element (rectifier). Amplitude characteristics of this device are shown in Fig* 7. The problem was also investigated experi- mentally and the results are illu*trated in Fig. 8. where the exponential characteristics are plotted in a semilogarithmic scale; the "solid" curves represent the ideal exponentials, while the dotted curves give the experimental results. An amplifier with an exponential amplitude characteristic is particularly useful if the receiver is employed in the measureinent or detection ofNery weak signals. One of the disadvantages of the amplifier is its temperature dependence, which is due to the poor temperature characteristics of the Card 2/3 85322 S/.142/60/003/004/oo6/013 E192/E382 Amplifier with an Exponential Amplitude Characteristic semiconductor diode employed. However, the system is comparatively simple and gives a dynamic range of 25 - 30 db. The author expresses his gratitude to Yu.V. Barabash for carrying out the experiments. There are 8 figures, ASSOCIATION; Kafedra radiopriyemnykh ustroystv Kiyevskogo ordena Lenina politokhnicheskogo instituta (Chair of Radio Receiving Devices of the-Kiyev '~-Order of Len-i-n" Polytechnical Institute) SUBMITTED: October 27.,,1959, initially; March 2,1960, after revision Card 3/3 ,-VOLKOV, V.14., dots. Carrying district telephone communications on radio relay lines. Avtom., telem.i sviaz' 4 n0-3:10-12 YIr 160. (MIRA 13:7) 1. Ieningradskly institut inzhenerov zhelesnodorozhnogo transporta. (Railroads-Communication systems)