SCIENTIFIC ABSTRACT KOZHEVNIKOV, YU. V. - KOZHEVNIKOV, N. M.

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December 31, 1967
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SCIENTIFIC ABSTRACT
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kd, no n o trols Of cliOcc-'i" the con 2 -.0A 3 I a - o cho c 0 -7 -Is saz- L - -Z0 . ol a 1 , - Z. fc , c a 1 -:3 to Sys "S .-,--,Uw Of ' G - IY '-, / ' 24' -65/ calf! / ' ,~)~ , SjE-l DA co:)-?: 12/ Ca rd -r, U Z~'- 7 ACC NR, A116034044 AUTHOR: Kozhevnikov, Yu. V. (Kazan') _7 SOURCE CODE: UR/0103/66/00)/010/0062/0070 ORG: none TITLE: Optimality principle on the average for discontinuous stochastic systems SOURCE: Avcomatika i telemekhanika, no. 10, 1966, 62-70 TOPIC TAGS; stochastic control system , discontinuous stochastic system , optimality principle, optimal control system, stochastic proce3s, vector function, random proces3i ABSTRACT: An analysis is made of the control system-described by the stochastic equation Xi Td (1, X, u, a, BJ), tj-1 (I = 1, n; j I,-, k Xf (to) EjO) Where X = (Xl,---,Xn) is a random vector function continuous on the every partial interval (tj-,, t-1 except for the end points, u = (ul,;-ur) is a piece-wise con- i tinuous nonrandom ccntrol vector-function, a = (alp..., m) is a nonrandom control ivector which does not depend on time but determines the nominal structural param- 11-i- ieters of the control system, and Bj is a random variable. It is assumed that con- Card_j/~ UDC;_ 62-505.7 ACC NR: AP6034044 trol parameters and phase coordinates are constrained by equations AI[j,(a, T, P. Xi,..., XA)l0(s =3 f VI (2) I *,off -d'the performance of the system is evaluated by the functional 1. an. I M[Ic (a, TP, Xi* .... Xh) (3) where the symbol M stands for the mathematical expectation, P is a random vector with a given distribution density and T - (to'... tk). These control parameters u, a, T ,are sought which optimize the performance functional (3). Such a control is called i the optimal control on the average and the above formulated problem - the problem concerning the optimal averaging of the control. Two theorems establishing the sufficient conditions for the existence of the family of permissible controls (the first theorem), and the necessary conditions for one of these controls to be optimal (the second theorem - the optimality principle on the average) are,formulated :and proved. 'The formulated optimality principle on the average is generalized to. Ccrd 2/3 ACC NR. AP6034044 discontinuous systems. An example illustrates the theory. Orig. art. has: 36 for- mulas. SUB CODE:/3, SUBM DATE: 03Mar66/ ORIG REF: 007 Card 3/3 XMHwN3:KOVV TU.V. *' - '~! ' Investigating the solutions of variational problems In aeronautics. Izv. vys. ucheb. sav.; av. tekh, no.2:3-8 158. (MIRA 11W 1. razanskiy aviatsionnyy instituts MEXedra aerodiz3amlki. (Aeronautics) (Galaulus of variations) KOZHzvn V, Yu~71~,_ (KazanO -,:--",."- ~ Nxistence of the solution of a variational problem. Trudy W 45: 3-11 159. (MIU 14: 1) (Calculus of variations) ACCESSION NR: AP4009039 S/0147/63/000/004/0015/0024 AUTHOR: Kozhevnikov, Yu. V. TITLE: Selection of the optimal control of aircraft SOURCE: IVUZ. Aviatsionnaya tekhnika. no. 4, 1963, 15-24 77021C TAGS: aircraft optimal control, Pontryagin maximum principle, o-)cinality conditions, singular control, step tyRe control, time optimal control, optimal control ABSTRACT: The motion of an aircraft in a vertical plane and in a gravitational field is studied under the assumptions that the resistance of the aircraft and the performance of the motor are given functions of time. The equations of motion and the kinematic relations are written in terms of 6, u,.w, x, y, 0, kj, k2, and T; w'hc-.e 6 is the rudder deflection; u, w the horizontal and vertical components of -he veloi:ity; x, y the coordinates of the-center of mass; ~ the angle of thrust with the horizon; ki, k2 are known func- cion5 a.' time; and T is a function for which i M 1. The problem of _-,21.actins that control function 6(t)-insuring the optimal value of Card 113 ACCESSION NR: AP4009639 one of the 'motion characteriities, with certain definite constraints imposed upon the other characteristics, is deftned. The optimality condi4ions are determined through applying Pontryagin's maximum prin- ciple. In order to formulate these optimality conditions, an auxiliary function H Is constructed in terms of the motion parameters and auxil- iary functions Xi(t)'(i - 1, ...7), which are determined from a given set of equations, Optimality conditons for the control function 6(t) are derived for the general case and the so-called singular case. As a concrete example of the control, the motion of an aircraft from one point in a vertical plane to another point in the shortest time is investigated under the assumption that the initial values and final values of the motion parameters are known, and the problem of optimiz- ation is reduced to minimiiation of a certain performance functional. Optimality conditions for the control function 6(t) are written in zaruis of A. functions, It is shown that, depending on initial con- ditions, tke optimal control can be realized: a) in the form of a ratep-type control if 6maxsamfn,alternate during the entire controlled Eli.S'ht' of'the aircraft, or'b . n the form of a singular control, when q, -- const., and 0. The necessary and sufficient conditions for Card 2/14 ACCESSION NRs AP4009639 the realization of. these controis are presented in a table. art. has: 60 formulas, 1 fLgure, and I table. ASSOCIATION: none l2Feb64 Orig, ENCLs 00 SUBMITTED: 250ct62 DATE ACQ: SUB CODES AIq AC, AE No REF SOV: 004 OTHERS Ob2 19~r-4313-- K0ZHEVNI.KQV, YU.V.- Optimization of flight conditions and the parameters of stage rockets. Izv.vys.ucheb.zav.; av.tekh. 6 no.3xll-20 163. (M,MA 16 s 10) -AccEssim ~,R: AiUhWo S/CO40/6h/028/003/0537/0.Qa ;AUTHOR: Kozhovmikov' Yu. V. (Kazan) TITLE: Optimization of controllable systems with random paramters SOURCE: Prikladnaya matematika i mekhanika,, v. 28s no. 3s 1964s 537-541 TOPIC TAGS: optimal control, random parameter., dynamic system,, control function., mathematical expectation, random variable N ABSI'RACT: The author considers the problem of optimal control 'in the care inwhiC4 the system is dependent on certain random variables. Optin4l coirtrol is then I defined in the usual statistical sense. The author transforms the problem to one in classical variational calculus, which he solves in the classical way, and also gives an example. Orige art. has: 22 formulas. A&SOCIATION: none SUB,=LTM: 28oct63 SUB CQZ: MA Card DATE ACQ: i9jun64 NO REP SOV: 011 ENCL 1 00 OTHER: 002 KOZHEVNIKOV, Yu. V. Selection of optimum aircraf t ~- j ~ - - 1~ vy.-, zwi. ; av. tekh. 6 no,4,'15-24 16L 174,~! I L r I .a ot jo qysLems. izv. E: . .... .- --------- L 22la-46 EWT(d) UP (0) ACC NRt AT6007j3'3 SOURCE CODEt UU2529 637666TWWWW50 AUTHORt Kozheynikov, Ytfq Ve -(Docent) ORG.* Kazan Aviation Institute Kazanskiy aviatsionrary institut) TITLE% Solution of disconti~ujk optimal problems with parameters SOURGEt Kazan. Aviat ionW institut., Trudy, noo 60, 1963o Matematika i mekhanika 81 (Mathematics and mechanics)a 42-50 TOPIC TAGS: functiony parameter) optimalconbrol, successive approximations functional operatorp boundary'value problem, differential equationt integral equation ABSTRACT: The problem of selecting control functions and parameters that.aro in general bounded for certain discontinuous systems which supply a maximum value of one of their characteristics* is examined.. Necessary conditions for the mwdimm are obtainedp and a method of successive approximations- is presented. The work Ja based on earlier work 4 Le S* Pontryagin et al. (Hatematicheakaya teoriya, optJjnallnykh protsessov, Fizmatgiz,, 1961)0 The problem of determining the maximum of a functional of the form 1=6101, J~Jltxjlll XOO aq) q=l, 2,.,..p) Card 1/2 L 25451-66 ACC NN AT6W7333 is considered, The neces'sary conditions of the maximum for the case of k -w2 are found in the form of inequalities: ~N 0 blo .-Y 0 LA , -7:~ .01 Orig, art. hast 20 formulas* SUB CODEs 12/* ~ DATE% 23Feb63/ ORIG REN 002 Card 2/2 ;~CL -N.z: AI'G003178 SOURCE CODE: Yozhen'Vnikov, Yu. V. 01'G: none UR/0147/65/000/004/0007/0017 J~ "ITLZ: The theory of controlled stochastic systems that are optimal in the mean SOURCE: 1VUZ. A-Latsionnaya tekhnika, no. 4, 1965, 7-17 TONC TAGS: stociiastic process a tom atic control theory, optimal automatic control ABSTRACT : TI,c control of a systems in'which the initial and final control times Pre randon' i5 diz;CU3sed'.--T-h--o'-m-o--t' ion -of tho system is doacribod by the equations - X, V,, 13, T,, v,, to, 110, XO. it, a), To T,, X (TO) 1" (t, 11, X, V" 1" 11,, a, u)), T, I < TI, u (1,,) - (t, whi c re Iand f are n- and m-Qmensional, continuous, sufficiently differentiable vector- functions; X and u are n- and m-dimensional continuous vector functions; W is an r-di-; menzional controlling vector function of a class of piecewise continuous, piecewise smooth bounded functions; To are random vectors with mathematical expectations, tCard 1/2 UDC: 519.217.31 T 10039-67 ACC NR. ~d'6003178 0 ~'U 04bere the b, are unknown) and with given centralized random values To'- to., 11o a ~= (a,), B" -(B"=Bj--b,), To X. a am dcternined vectors; and x (X,,...,Xn) is a continuous vector function defined by equations X + X, AX ~4 A Cot To,< I < T, Equations (1.1) are solved by linearizing the right hand sides and the expre'ssions for the initial and final states of the syatem. The oolution of the following part ular case is considered c? (1, X, u, a, B)~ To 4 t ~< TI, X (10) Xo, X (To To< 14 TV Orig. art. has: 30 formulas. CODE: 13,12/ SUGH DATE: 3lAug64/ ORIG REF: 005 ACC NR, AP6036848 SOURCE CODEs UR/0147/66/000/004/0003/oojj-~ AUTHORt Kozhevnikov, Yu V. ORG: none TITLE: Selection of notion program and parameters of compound aircraft for the most probable delivery of payload to a particular zone SOURCE; IVUZ. Aviatsionnaya tokhnika, no* 4, 1966, 3-11 TOPIC TAGS: cybernetics, aircraft autopilot, aircraft guidanco, automatic control, rockot aircraft, rocket guidance ABSTRACT: The paper deals with the motion of a compound aircraft such as a multistage rocket. It is assumed that the separation of a stage occurs at the moment when the engine is.turned off, so that the motion of the rest of the rocket, together with the payload, starts without propulsion. Thus the trajectory of the rocket consists of a number of sections, some of which may take place with or without propulsion, with or without regulation. The time is counted separately for each section. The motion of each consecutive part of the rocket in described by six vector equations, each dealing with different aspects of the motion: kinematic, gravitational, geometric, thermodynamic (engines), and boundary conditions. Some of the equations contain the control-ling functions and the random variables with their mathematical expectations. 1/2 UDCz ACC NR: AM036848 Zo final state I of the payload can be estimated through the probabilities of its arrival at the A of each section of the trajectory. By extremizing the functional 10. the controUing functions in 10 are determined. Orig. art. hast 33 equations. SUB CODES M 01,,W SUBM DATES O4May65/ CRM REFS 009 ACC NR, AP6028-31,9', AUTHOR: Kozhevnikov, Yu. V. (Kazan"j SOURCE CODE: UR/0040/66/030/004/0650/0660 ORG: none TITLE: On the theory of optimal averaging of the controls of dynamic systems SOURCE: Prikladnaya matematika i mekhanika, v. 30, no. 4, 1966, 650-660 TOPIC TAGS: optimal control, automatic control theory ABSTRACT: The author develops and supplies a proof of his hypothesis on the optimal averaging of dynamic system control operations. In the last analysis, optimization o the control system must reduce to the optimal averaging of control in the sense that the proper average value of control operations must be found which is uniform for all states of the system so long as certain bounds (e. g., zones of measurement insensi- ti-vity) are not exceeded, and also that the optimization criteria must provide for th attainment of the extreme value of one of the averaged characteristics of the system. Assume a control system intended to realize the functionals ar. 2 fi(XI. a, a T P. L) (i - 0,...,ko) If a set of permissible controls X1, = vi (t, X, v, v, P, L), Xj (to') V, (P, L), j X, - [XII - X, (111)) n) ACC NRa AP6028319 exists which satisfies the equations M 1/1 (XI, a, a', TI, L)l 0, Al j/j (XI, a, a', P, L)0 Y k; k + 1. k0) the problem can be posed of selecting those controls which will maximize the func- tional Af I fo (X, '_a., a', T 1, P, L) (A) This control is said to be "optimal on the average", and the process of finding this control amounts to a solution of the problem of optimal averaging of control. The possibility of constructing a family of permissible controls and the principle of op- z z timal averaging of control V, V , T is established by the following two theorems: Theorem 1--If v, vZ, Tz is a permissible control, there exists a family of permissible controls which includes v, v T if the ranks of the matrices .,B1, x*mI, B111 BIVI A =JBII. . . . . Ii. . - Bkt ... Bk. X+fn DVV ACC NR.- AP6028319 are equal respectively to k and y = ko-k. Theorem 2--If the conditions of Theorem 1 are fulfilled, there exists a vector function A (Al'...'An), and also multipliers PO Z 1, Pi = const, Ii PjW, (i 1;... k); (k + 1,... ko), with respect to j = . I which the optimal control v, v , T maximizes (minimizes) the functional (A), and possesses certain stated properties. A possible application of the theor-j given in the paper is a stochastic case in which one seeks to find the reactive acceleration u = u(t) of a point of variable mass moving in a forceless field with a constant ex- penditure of power. Also discussed is the problem of'optimizing a Ejystem of pro- grammed control "in the whole", in which unperturbated motion and the law of regula- tion of perturbated motion are optimized in terms of a single criterion which takes their interdependency into account. This problem has not been previously discussed in the literature. Orig. art. has: 48 formulas. SUB CODE: 15,12/ SUBM DATE: l6Har65/ ORIG REF: 006 KOZBEVNIKOVA, A* A duckling gets out of the egg. Hauka i zhizn' 30 no.5:112 MY 163. (MM 16:10) 0 XZMDY-ZIXMN, 0. K., YARIJSOV. S. S., KOZHFVNIXOVA, A. N. Lima, Fortilizers and. 14snures Time and methods for liming acid soils iown with clover and timotrkv. Dokl. AK 8ollklioz No. 5, 1952 Vaesoyuzzqy Nauchno-Is-iledovetallskiy I Agronoclivovedeniya rcd. 15 Feb. 1952 2 SO: Month List of Russian Accessions, Library of Congress, August 195~, Uncl. KOZHKVNIKOVA, A.P. Severe burn of the esophagus from molten metal. Vest.oto-rin. 17 no.2:80-81 Mr-Ap 155. (MLRA 8:7) 1. rz kafedr7 beleznBy ukha, gorla i nosa (zav. chlen-korrespondent A191 SSSR Drof. V.F.Undrits) I Laningradekogo meditsin8kego instituta. (BiJRNS 0 esophagus, raused b,,, molten metal) (ESOPHAGUS. wounds and injuries. burns caused 17 molten metal) -i 11 X Rn 11~B CA '--c.11 Vol.10/9 Oto-'Rhino-ijaryngo Sazt'571 E 1682. KOZIILV,*\'IKOVA A,1P. Leningrad. * S c c r e t o r y f u n c t i o n o f sa I i - va ry gTa_n_ds__du ring inf lamma to ry processes of the m id - d I e e a r ( R u s s i a n t e x t) VEST.N. OTO-RINO- LARING. 1957, 3 (24- 29) 'rhe secretory function of khe parotid and submaxillary glands in cases of cititis media was studied )- - Krasnogorsky's apparatus, an acid irritant being used. In acute cases of otitis, hypersecretion of the parotid and suLmaxillary glands was noted on the side of inflammation. During chronic epitympanitis hyposecretion of the salivary glands on the i,solateral side was observe.?, coilspicuously marked in cases of cholesteatotomy. If a sparing operation was performed the salivary function of the parotid and submaxillary glands was usually restored after the sub- ; idence of the reactive phenomena in the operated ear. KOZUVNIKOVA, A.P. Studies on auditory sensitivity with the aid of an acoustic sound (with summary in English]. Vestotorin. 20 no.6:39-43 N-D 158 (MIRA 116.12) 1. Iz kafedry bolezney ukha, gorla i nosa (zav. - chlea-korrespondent AMN SSSR prof. V.F. Undrits) I Leningradskogo meditsixfekogo institute. (HBARING TESTS, auditory sensitivity determ. with aid of an acoustic sound (Rua)) KOZHEVNIKOVA, A.P. Leprous encephalitis. Vop.psikh. i nevr. no-5:52-58 '59. - (MIRA ]~!5) 1. Iz paikhonev'rologicheskoy bollnitsy No.2 "Podgornoye.11 NOW (glavnyy vrach - A.F.Kozhevnikova) i Ffjikhonevrologichaskogo-instituta imeni V.M.Bekhtereva (nauchnyy rukovoditell r&*ty - Prof. Ye.S. Averbukh). (ENGEPHALITIS) (LEPROSY) - - - ~ - r. , R=- my, A. A., V. A., x , ., ~ "T,-. ~, r% I. !~.,j ;. - 1A E. G. Alirrptll~fl ;,r.1 C-- -, 11 t:~-7 " - 14- 1 -:-- : , .. r,:. - nrA it:) AIIQ.-f3 vh;-,a Ccrrc-'~".- i-a -r t - 1 L. -*- - -~ r-'. ---: ~-l TrnaaurO3." roport prof-,e)nt,),l ett tbl Intl. o:1 t* , C., I-ojj~-j c.: (L'.7A) Solzburgp Awitrin, 4-9 Jurv) VUDYANITSKAYA, Zh.; KOZHEVNIKOVA, E. "Industrialization and mechanization in rural constm~ctionl exhibition. Sell.stroi. 18 no.11:15-16 N 163. (MIRA 17:3) 1. Sotrudniki pavillona "Sellskoye straitel'stvoll na Vystavke dostizheniy narodnogo khozyaystva SSSR. ANDREIVIA) M.; KIIEYFETS, L.S.; GOL'SKAYA, I.F., inzh.-Metodist; VODYPIIITSKAYA, Zh.L;J~4B~TMOIIA, E.I., starshiy nauchnyy sotrudnik; BLIaWl, A.I.; VORCNOV, B.V. Exhibitions and displays. Inform. biul. MIKH no.lltlO-11,15-18, 26-27,31-32 1.1 163 (MIRA 18:1-) 1.Starshiy ekskuroovod paviltona "Khimlchnskaya promyshlennoott" na Vyntavke dostizhoniy narodnogo khozzyaystva SSSR (for Andreyeva)o 2. Glavnyy inzh. pavilIcna "Stroitellnyye materialylt na Vystavke dostizheniy narodnogo khozyay;3tva SSSR (for Kheyfets). 3. Pav"Icn "Ehorgetichookoye stroitellstvolt na Vystavke dos t12henly narodnogo khozyaystva SSSR (for Gol'skaya). 4. Direktor pavillona "Sel'skoye stroitellstvol"na Vystavke dostizheniy narodnogo khozyaystva SSSR (for Vodyanitskaya). 5. Pavil(on "Sellskoye stroitel'stvOll na Ilystavke dontizheniy narodnogo khozyaystva SSSR (for Kozhev- nikova). 6. Starshiy inzh.-metodist po khraneniyu i pererabotke zerna pavillona *Khraneniye i pererabotka mernalt na Vystavke dortizlipniv nq--,*nogo khozyaystva SSSR (for Blidman). 7. Glavnyy metodist pavillona "Professionallnotekhnicheskoye obrazovaniye" na Vystavke dostizheniy narodnogo khozyaystva SSSR (for Voronov). I T GRECHKO, D.I.; KOZHEVNIKOVA, G.I., inzh.-konstruktor Standardization of accompanying documents. Standtirtizatsiia 29 no.6x48-49 Je 165. (MIRA 18:12) 1. Nachallnik otdela standartizataii i normalizatiii Altayskogo motornogo zavoda (for Grechko). 2. Otdel standartizatsii i normalizataii Altayskogo motornogo zavoda (for Kozhevnikova), 1.1,'.LKINg YaoZ'j Sl.4IIUIOV, M.P.; SnIGIYE-NKO; V-YtL-;:KOZnEVNIKOVA, G.Io; KALNIN, Ye-I.; TARKHOV2 N.G.~, Prinimalie Kh.I.)- ABDUGAPAROV, Sh.A.; BOVGUTA2 I.D.z TKILCIIEV,, S.P.-, FILATOV2 N.V.; SVISTEL'IIIKOV, A.M.; PRACHEVp V.No; SHEYMA11v V.I.; ANTROPOV2 A.D.; SOBOLEV, Ye.D.; POPOVA, N.T. Industrial testing of a now cont.Lruous method of copper removal from crude leads TSvet. met. 34 no-.7~15-22 Rr 161. 0,11RA 1443) 1. Eksperimentallayy t9ekh Oinkentakogo avintscvogo zavoda (for Marsaitov) Abdugaparov, Bovguta2 Tkaphe7D Filatovj Svistelfnikovq Prachevp Sheymang Antropovp Robolevy Popova). (Lead-Metallurgy) (copper) SMIRNOVO M.P,; TARKHOVI N.G. MALKIN, Ya.Z.j SERGIYENKO, V.Ya.; KOZHEVNIKOVA, G.I. Pilot plant development of a now method of copper removal from crude lead. Sbor. nauch. trud. Gintsvetmeta no.19;432-452 162. (KM 16:7) 1. Gosudarstvennyy naucbna--ise3*dw&ts3,'.skiy institut tsvetnykh metallov (for Smirnov, Tarkhov). 2. Chimke'nakly'sviksovyy zavod (for Malkin, Sergiyenko, Kozhevnikova). (Lead-Metallurgy) ZENYAKIN) L. A.; IMMENNIROVA, 0. No Insecticides Dusting seeds of grain crops with hexachloran as a means of controll!ng the wheat 0 wireworm. Sov. agron. 10 no. B. 1952. Monthly List of Russian Accessions, Library of Congress, September 1952. UNCLASSIFIED. AGAIAROVA, D.A.; KOZIMMKOVA, G.Ye.; KUYLEVA, A.K. Binomial conditions of the Akchaghykian Sea. Izv.AN Turk.SSR no.3:18-24 155. (MLBA 9:5) 1. Institut geologii AN Turkmenskoy M. (Turkmenistan--Geology, Stratigraphic) In SS". f 7 n t j~ e t) -KRASHF21INNIKOV, V.A.; KOZHEVNIKQV . G.Ye. Tirart find of representatives of the genus Bolivin6l-la in Tertiary ,deposits of the Sovidt Union. Vop. mikropaleont. no.4:121-127 '60. (MIM i4- 5) 1. Geolpgicheakiy institut Akademil nauk SSSR i Institut geologii Akademii nauk Turkmenskoy SSR. (Faraminifera., Fossil) DMITRIYEVY A.V.; KOZIIEIINIKOVA, G.Ye. Faleo.,,ene of the- ce'n-tral Kopetdag. Jzv. 9.1 Ser. tekh., khim. i geol. nauk no.2:~,r)-107 163. 041RA 1-1-.S) 1. Institut geologii AN Turkrien,,-I~oy SSR. KALUGIV, F.T., ~ik-deria-; T, V flI k r(;r4 in the Kopet-aing and BadkIriz] ;'tratjjriX-1J--a vorlid-mer-eliwyki, i palp,-,tsenow -,j , I ykh otlozherm i Kopet.-Tai-mi i :'A na!lk KOZHSVNIKOVA, I.A., laborant ---- ------- Practical significaDco of a method for laboratory analysis of the cerebrospinal flnid. Med.oestra 18 no.12:32-35 '59. (MIRA 13:3) 1. 1z laboratorit klinicheskoy ordena Lenina balinitsy- imeni S.P. Botkina, Maukva. (CHMIROSPINAL FLUID-AlLkLYSIS) GUSEVI S.I.; SOKOLOVA, Ye-V.; DetermInation of chlorides by means of P -hydroxynaphthylal- a-aminopyridine. Zhur.anal.khim. 17 no.42499-501 J1 162. (MIRA 15-8) 1. Perm State Medical Institute. (Chlorides) (Pyridine) jj~-t.=,rdnatxr.r. cf '~c n V. - I GUSEV, S.I.; K0711EVNIKOVA) I.A. 'j~-Ilydroxynaphthyl-2-amimpyri.dine complexon c,11 Icad. Yh-ir. neorg. khim. 9 no.10:2403-2406 0 164. (*,,11AA 17: 12) 1. Permskiy moditsindkiy institut. GLADKAYA, V. F.., inzh.; KOZIIEV111KOVA, I.M. , Inzh.; LOMESHNIK, V. K.., inzh.; . - --;, .. KAPLUNOV, S.Z., inzh. Processing of whale oil. 14asl.-zhir.prom. 29 no.11:43--1+6 N 163. (MIRA 16:12) 1. Ukrainskiy nauchno-issledovatellskiy iristitut maslozhirovoy promyshlennosti (for Gladkaya, Kozheynikova). 2. Kuybyahevskiy zhirovoy kombinat (for Lozheshnik). 3. Kitoboynaya flotill-ya "Slavan (for Kaplunov). ICARTIAT , A.M., inzh.; DETIIMOVSKAYA, Z.P.; KOZHVNIKOVA, I.M. Some invetigationa in the field of high-molecular-weight normal alk7l sulfates. 14aal.-zhir.prom. 26 no-7:20-23 Jl '60. (MIRA 13:7) 1. Ukrainskir Nauchno-iesledovatellokiy institut maslozhirovoy promyshlennosti,* (Sulfuric acid) (Surface active agents), SLOMINSKIYv L.I., in2h.CKOZHLIVNIKOVA._LMt_x iuh. Cleaning compounds based on sulfates of incomplete esters formed by fatty acidsIand polyat4*ic alcohols. Masl.-zhir.prom. 27 no.1:21-23 Ja 6J.. (MIU 14: 1) 1. Ukrainakiy nauchno-isaledovatel'skiy institut maslozhirovoy promyshlennooti. (Cleaning compounds) f-rudyGMl no.'19:33-36 '65. i Gor. I k~ v-~111".ugo 1"osuld!1VO, il-l'.; ti A.A.; CHINEINKOVA, MI.; Roe r, tp,,:)nc I igical clange.,, In L',lc- 1 unit i i!.--ed i ~; t-t~ 1y affte r a .-.I- CGrIVi!-,SLu-0toln-- Uch. G,-f' no.l?:1 165. 1. Fz kl-inilki j~ospJtn-lln,-.y ki-11-urgil i '~,,X-Ilq KOZHEVNIKOVA, I.N. Characteristics of the morphological changes in the meninx and ependyma in tuberculous meningitis treated with streptomycin. Vop diag.i patomorf.nerv.zab. no.2:147-152 159. (MIRA 15:8) R, NINGES-TUBERCUILSIS) (STREPTOMYCIN) (BRAIN) KOZHEVNIKOVA, I.N. Fibrous changes and the resorption of fibrous connective tissue in tuberculous meningitis. Vop.diag.i patomorf.nerv.zab. no.2:153-157 '59. (KMA 15:8) (MENINGES--TUBERCULOSIS) KOZHEVNIKOVA, I.N. Aneurysms of the internal carotid and anterior cerebral arteries. Vop.diag.i patomorf.nerv.zab. no.2:194-199 159. (MIRA 15;8) (INTRACRAKAL ANEURYSM) KAMTSHEV, 14., prof. ; KOZiMVIIIKOVA. L. In the Council of the All-Union Botanical Society; concerning S.S.Stankov and V.I.Taliev's "Guide." Bot.zhur. 44 no.6:902 Je 159. (MIRA 12:11) 1. Predeedatell Voronezhokogo otdolonlya Vseaoyiiznogo botp-ni- chookogo 0-bahchostva (for Kamyahav). 2. Sekretarl Voronezhokogo otdoloniya Vaesoyuznogo botaniclieskogo obnhehmitva (for Kozbevni- kova). (Botany) (Stankov, S.S.) (Taliev,.V.I.) S/058/61/000/Ola/03 A058/A101 AUTHOR: Kozhevnikova, L. A. T=: Concerning the effect of molecular type and elemental compositior; on the relative intensity of the chromium-molybdenum Silec T r,1 1~ 1 ine pair PERIODICAL: Referativnyy zhurnal, Fizika, no. 12, 1q0l, 249, abstract 12G1911 ("Uch. zap, Permsk. un-t", 1959, V. 1.3, no. 3, 11-13)) TEXT. There are given the results of investigating the effect of the type of molecular compounds and the effect of third components (Ca, Hg, Al and Fe) or, the relative intensity of Mo-Cr lines incident to AC-arc excitation of spectra, [Abstracter's note: Complete translation] Card 1/1 S/058/62/ooo/o 12/022/048 A160/A1O1 AUITIOR: Kozhevnikova, L. A. TITLE: An experimental study of the effect of diluents on the relative intensity of spectral lines of chromium and molybdenum PERIODICAL: Referativnyy zhurnal, Fizika, no. 12, 1962, 29, abstract.12G28'( ("Uch. zap. Permsk. un-t", no. 1, 1961,v.19, 131 - 133) TEXT: An investigation was carried out of the effect of the binary-mlx- ture diluents, 810 -x 11 0 + alkali-earth-metal carbonates and alkali-ea-rth met- ~2 als + Fe 0 on t e relative intensity of the Cr and Mo lines. It is shown that in case b a fivefold dilution of the samples with a CaCO 3 SiO X xH 0 mixture, the latter can be analyzed by synthetic standards made on the ba3is oi2the same'; mixture. A similar effect is obtained when using the mixtures SiO 2. x1i20 with CrQ03 and Fe 203- M. Britske [Abstracter's note: Complete translation] Card 1/1 k, q V~ /V b V PHASE I BOOK EXPLOITATION SOV/6181 Urallskoyo soveohchAniye po spektrookopii. 34, Sverdlovsk, 1960. Material3f (Materials of the Third Ural Conf9rence on Spectros- copy) Sverdlovsk, Metallurgizdat, 1962. 197 P. Errata slip Inserted. 3000 copies printed. Sponsoring Agenciest Inatitut fiziki metallov Akademii nauk SSSR. Komisslya po spektroskopiij and Urallskly dom tekhniki VSNTO. Edo. (Title page): G. P. Skornyakov, A. B. Shayevich, and S. G. Bogomolovj Ed. t Gennadiy Pavlovich Skornyakov; Ed. of Publish- Ing Houset M. L. Kryzhova; Tech. Ed.t N. T. Mallkova. PURPOSEt The book, a collection of articles, is intended for staff members of spectral analysis laboratories In Industry and scien- tifio research organizations, as well as for students of related disciplines and for technologists utilizing analytical results. CW 1/15 Materials of the Third Ural Conference (Cont.) SOV/6181 COVERAGEi The collection presents theoretical and practical prob-f lems of the application of atomio and molecular spectral ana y 1 sis in controlling the chemical composition of various material# in ferrous and nonferrous metallurgy, geology, chemical indus- try, and medicine. The authors express their thanks to G. V. Chentoova for help in preparing the materials for the press. References follow the individual articles. TABLE OF CONTENTS: Foreword 3 PART I Sheretkov, Yb. A., and L. P. Makalmovskiy. Investigation of the dependence of the total Intensity of spectral lines on the ooncentration of elements In an arc-discharge plasma Card 2/15 Materials'of the Third Ural Conference (Cont.) Buraylev, Yu. M., V. I. Ustinova, and G.-.P. Neuymina. Effect ol carpurization and nitriding on the results of spectral analysis of construction steels Grinzayd, Ye. L., and F. D.: Korobko. Effect of total com- position of alloy steels on results of silibon determina- tion Shavrin, A. M., M. A. Zotin, L. A. Kozhevnikova. and Yu. A. -Makhnev. Dependence of tlie-"-r-e-l-at-fve-ini~~~-si-ty' of the zinc line on its concentiation in zinc-rich alloys of, the copper-zinc system Fishman, I. S. Experimental investigation methods of material admission [from electrodes into the discharge zone) SOV16181 4T 52 57 6o 0 ard 5/15 KOZHEVNIKOy.AA--b-9---,- - Preparation of ynast at the Lutak Alcohol Plant. Spirt. Drom. 24 no. 4:27 '59. (MIRA 11:7) (yeaHt) KOZH-EVNIKOVA, L.I. EfTeot of t-Tazing on the veletation of st-evpe, I Nauch.zap.Vor.otd.VBO za:46-48 16/,. Phenology of steppe slopes. Ibid.:49-53 (YIRA 18:11) KOZEEVNIKOVAp L. M. KOZIIVNIKOVA, L. M., "Some Data on the Role of Cotton Seeds as a Source of Infection with Hadromycosis in Central Asiap" in Cotton Diseases, All Union Scientific-Resqarch Cotton Institute, Tashkent, 1938, p!). 109-119. 4W,.042 T18 SO: SIRA 61-19-53, 15 Dee 1953 KOZHEVNIKOVA, L. M. KOZHEVN1KOVA, L. M. "New Disease of Winter Cerea13 in Penza Oblast (Typhula itoana)," Sotsialisticheskoe Zernovoe Ehoziaistvot- no. 4, 1946, pp. 47-50. 59.8 So 72 SO: SIRA SI-19-53, 15 Dee 1953 KGZFi:Wi~IK-)-IA, L. 1-1. um/ftdiolne Plants ion 194T Medlefto Dise"es "The Causes of the Death of Winter 0 M a in Certain Regime..." L. IN. Moshevnikova, 3 Pp "Dok Akad Nauk SM, Nova Ser" Vol LV, No I Discusses-death of winter crops in Penza Oblast which is an almost annual occurrence. Attributes this to presence, In the roots, of some form of fungold sick- ness and states that infection of plants takes plaoe in autum. Submitted by Academician A. A. Rikhter, 3 Aug 1946. .58T68 L H L V ).I 0,D), L & KOZHEVNIKOVA (Mme L. 11.). Contletilme 06avviC11110 Ce.N13111 j1polloft 11111C1111111. xfim mepa 6apb6w npwrim nuamion rou D1111. [Solar treatment of spring 01 Wheat seed a3 a control measure ngaisist loome smut.]---Arpo6nwiorn-q [Agrobiology, Moscow], 1953, 3, pp. 41-46, 1953. In studies at the Dokuchavev Agricultural 1118titilte, Voronezil Digtrict, \14, Jhree and seven days' solar treatim,nt [cf. R.A .111., 32, P. 179) of rpring w beat grnin I increased germination from 76-5 and 80-5 (controls) to 89 and 92 per cent., re.Rpcc-, q tively, increased vigour, and reduced 10090 Fall"t (UstffagO frilici) 132, P. 3691 in! the succeeding crop. from 1 per cent. in the untreated to 0-06 per mit. E V jVl,'~,2 Y /~IL. M) TJ53R/Plan~ Di,;cra,~!n Discases of CiL Plants. 0. Abq Jour lli.ol. No )"-' V , - ~ Author KG: L.M. Inst --lull. o-- Inst. for A,,,--. 1--,C T itle -,:-poiurc to o- Succls of SLVr.,,.cr .".,--a As a ~.Lans of Fij~iid.i-: (h-ig PLfb -yu-I. -nauclino-told-in. --1c"56, Abstrac Oay expoc;ure to d,,irinz 3,5 a."-. 7 da:--, -;'-I considerably c damagil~lc. 3-* Card 1/1 US,9R/Zooparasitology. Ticks and Insects--Vectors of G Causative Agents of Diseases Abs Jour !Ref Zhur-Biolij No 131 1958t 57957 Author :Pavlov I. F., Kozhevnikova L. M, Inst :Not given Title :The role of the Swedish Fly in the Dissomina- tion of Vesicular Rust Orig Pub :Kukuruza, 1957, No 7, 44-45 Abstract :Twelve to 73% of corn plants in-Voronezh Oblast were injured by the Swedish fly, according to data obtained by the Scientific-Reseaa?ch Insti- tute of Agriculture imeni. Dokuchayev. The plants injured by the fly in 1955 became rust infected with an intensity 3 times greatei- greater than the noninjured plants; in 1956--with an inten- sity 13 to 19 times greater than the noninjured Card 1/2 KOZHBVNIKOVA. L,M., etarsbiy nauchnyy sotrudnik; ONUFRIYEV, A.F., aspirant I Diocasea of the Jerusalem artichoke. Zushch. rant. ot vred. i bol. 5 no. 8:56-57 Ag 160. (MDU 13:12) 1. Hauchno-iseleaovatellskiy institut ovoshchnogo khozyaystva TSsentrallnoy chernozemnoy polosy imeni V.V.Doiuchayeva. (Jerusalem articboke-Diaeases and pests) SNESAIEV, K.A.; KOYHEITNIKOVA, L.P. Method of determining chl:oi-ocarboxilic acids. lav. lab. 31 no-1: 36-37 165. OMIRA 18:3) 1. Gosudarstvenn37 institut a.-otnoy promyslilennosti i produktov organicheskogo sintleza. 67325 AUTHORS: Vasillyev, D.M., Kozhevnikova, L.V. SOV/181-1-8-30/32 0 TITLE: On the Nature of the Fluidity Area of Pure Iron and Carbon Steels %4 PERIODICAL: Tizika tverdogo tela, 1959, Vol ly Nr 8, Pp 1316-1319 (USSR) ABSTRACT: By a method described by D.M. Vasillyev it is possible to follow directly the behavior of the matrix regions and of the .brittle, skeleton in plastic deformationloand also to determine the structural stresses acting upon the A-region (of the matrix) and the B-region (gL!Lju boundariesl%id mosaic blockdf hard phases). Between the residual microstresses di, the microstre8SeS a , and the "structural stresses", the relation m Cr CT + CT holds. The microstresses a in turn are com- at M i i posed of the microstresses 6 1* The stresses acting upon the ferrite of the carbon steel were experimentally measured for stegl with 0.22%C in normalized steel and in steel tempered at 680 . The results illustrated in a diagram show the following: As soon as the fluidity area is found, the structural stresses Card 1/3 acting upon the ferrite become smaller than the macroscopic L-r A 67325 On the Nature of the Fluidity Area of Pure Iron SOV1181-1-8-30i'1522 and Carbon Steels stresses, and this difference is conserved up to very high degrees of plastic deformation. When considering the disper- sion A cr at ,Adi, the sample exhibits regions in which the stress almost vanishes, in addition to the ferrite regions in which the stress is somewhat larger than a m. For the direct determination of the "structural stresses" 0acting upon cementit- the authors used U-8 steel annealed at 760 . On a sample stretched by 1W,6 it was possible to determine the average structural stresaes a at of the ferrite and cementite. Immed- iately after the passage through the fluidity area, underloading of the ferrite begins with a considerable overload of the cementite, which fact sharply contradicts the Koster hypothesis. Apart from cementite apparently also the grain boundaries and the mosaic blocks play an important part by taking up part of the overload. In a metal containing either no impurities or which is subject to such conditions as prevent the formation of "atmospheres" around the dislocations, the curves of Card 2/3 average structural stresses correspond to the macroscopic 67325 On the Nature of the Fluidity Area of Pure Iron SOV/181-1-8-30/32 and Carbon Steels deformation curve. The X-ray curves of deformation are smooth. If there are "atmospheres", the macroscopic curve of deforma- tion is a straight line in the initial stage of the process, and the structural stresses are not necessarily equal to the macroscopic stresses. The plastic deformation leads to a skeleton fracture. This, however, is no obstacle for the particles scattered into the material of the boundary-near regions in the way of taking up also the structural overload stresses, and to compensate in this manner for the underload of the weak A-regione of the matrix. A direct experimental hypothesis thus contradicts the Koster hypothesis where it holds that the cementite skeleton in the fluidity area of steel is unloaded. There are 3 figures, 3 tables, and 4 references, 3 of which is Soviet. ASSOCIATION: Leningradskiy politekhnicheskiy institut (Leningrad Polytechnic Institute) SUBMITTED: April 4, 1959 Card 3/3 BAKRVALOV. I.. direktor-, STVANOV, V., saveduyushchty partkabinetom; Z=IH, S-s frezerovshchik-rastoohnik; KSWOXRAT0V, V-, inzhener; KOZHEVNLKOVA, H., nachallnik tokarno-otdelochnogo otdelonlya, laureat StatTffftdrjW*~ ULITANOV, M., predsedatell tsekhkoma sborochnogo tsekha; HAUMOV, A.. brigadir komoomollsko-molodezhnoy brigady; DUDKIN, I., dotsent, direktor; ZHUROV, P., tokar. [In a progressive plant; accounts of workers and technical engineering workers of the Moscow Order of the Red Banner of Labor Second State Bearing Plant] Na peredovom zavode; rasekazy rabochikh i inzhenerno-tekhnicheskikh rabotnikov Moskovskogo ordens. Trudovogo Krasnogo Znameni 2-go Gonudarstven- nogo podsh1pnikovogo savoda. [Moskva] Prof izdat, 1952. 94 p. (KTRA 6:5) 1. Mookoviskiy ordene Trudovogo Krasnogo Znameni vtoroy Gosudaretvennyy pod- shi-onikovyy zavod. 2. Veahernly maehinostroitellnyy inatitut (for Dudk1n). (Efficiency, Industrial) KOZHEVNIKOVA..M.I. Fungus diseases and their prevention. Fel'daher & akush., Moskya no.10; 13-19 Oct 1952. (GLKL 23:2) I KOSIMNIKOVA, M. I. It , -w ~ -.. , ~ "" *.... ~' - '. ~ I . 'p - (Fungous diseases and their control] Gribkovya zabolnvanlia i bor'ba a nimi. Moskva, Medgiz, 1954. 29 p. (XLRA 9:4) (MOICAL KTCOIWY) KOZfUIVNIKOVAO M.I. (Moskva) Means of liquidating fungom diseases in villages. Sov.zdrav. 15 no.2:34-37 Mr-Ap 156. (MLRA 9:7) (FUNGUS DISUSIS, prey. and control in -villages in Russia) KOZHEVNIKOVA, M.I. Epidemiology of favuB and the possibility of its liquidation In the Moscow Province; results of a 33-year observation period* Test.derm.i. ven. 34 no,8t32-39 160, (MIM 13911) 1. Iz Fbskovs~ogo oblastnogo mikologicheskogo kabineta, (MOSCOW PROVINCE-FAVUS) KOZIMBIKOVAp M.I. Oboervations on the clinical picture of embined dermatomycoses and the treatment of favuse Vest,dem.i von. [351 to.2:25-30 F 161s (KERA 14:3) 1. Iz Moskovskogo oblastnogo mikologicheskogo kabineta. (DMMTCt4YCOSIS) KOZHEVNIKOVA, M*X. (Leningrad); NOVGZHIWV, V.V. (Leningrad) Approximate theor7 of the hindered torsion of closed thin-walled rods accounting for distortions in the cross sections. Izv.AN SSSR.Otd.tekhn.nmik. no.9:72-83 S 156. (MLRA 9-9) (Elastic rods and wires) (Torsion) FROLIKOVA) Ye,Ya.; KOZHEVNIKOVA, M.S. Supports of upstream slopes of earth dams of water ru.-t!rloirn in Contral Asia. Vop. g1dr. no. 12:68-79 163. (MIIL~ KOZIIEVNIKOVA, M.,S. Full-scale studies of gravel and sand trar)3. gidr. nc. 12'. 1 112-118 !63. U41RA 17.5) KOZHEVNIKOVA. Nariya Vladimirovna; SHISHKIIIA, A.G., red. (Analysis of economic activities on collective farias)Analiz khoziaistvannoi doiatelinosti kolkhozov. Pod red. A.G. SHishkina, Saratov, 1960. 165 P- (MIRA 15:10) (Collective faras) FOZHEMIKOVA, NI.V. "An Analysis of the Economic Activity of the Kolkhozes"; dissertation for the degree of Candidate of Econ3mic Sciences (awarded by the Timir-yatev Agricultural Acadmy, 1962) (Izvustlya Timiryazevakoy Sellskokhozvaystwinnoy Akadetaii, Moscow, No. 2. 1963) PTY 232-236) C;~ J"AX" ORY H L No,% (jc)%,r ell L t i v a t i o 1) J`.3'3. JOUR. f RZBiol. 195r~, NO. 1~;?9 AIMHOR Kozhevnikova, N.D. MIST . ~,,,,vtzlill Fa.~Ls ()TI rite Vi J HJ Po a 3 h rib" i 1-1 55 -Wc)z- IT) woo,:; i~.r i 1, c 1)1. 0 T ~,S Y ic ORIOr. PUB. : AN Kirg-Yifz, 1951~, VVp. 1119-16.1 A 8~3TRACT :liasf,fl oil _--tudies of' thc of ve~,etation inf`1:1f1n1CC clumli~,c,- under the of' pa:iture, a lwlthoki of u-cologievit serie4i hms bilen advimcacl. Pe.,iii1t.in< Cy,)ja ar, analysis ~)(' u,io occj.Lo,.,,,jv,tj ilciivs, ir, tiv- (try vege- ta,L;runz~ of th4?~ indivi(tual. of the P-k A t u -? at r e a S~iidiptl eui i the i Ti ( 4e. ri -3 i C v o r-i vJ n hiivci -lit'; ~-rcntiatc.,d izit(*$ -9ix ~ % :~ (. "' 171'j ~ 11 r Li C 't t J~ 4 - -1 A 0 L !~ -, r i p I J oll i 's c-N s on L v (I o f thp~ Le t i, on -) F f. m s e s t.1 g e 8 , n no .. Hie cmv.~eq of the subsequenL pi-ocesses C A itD 1/2 KOZHEVNIKOVA, N.D. Vegetation cover of the Sary-Chat River basin (central Tien Shan) and the main features of its distribution. Izv. AN Kir. SSR. Ser. est. i tekh. nauk 2 no.10:73-89 160. (MIRA 17:3) BLAGOOBRAZOV, V.A.,- BORDAREV-9 L.G.; KOZHEVNIKOVA. N.D.; POGODINA, G.S.; TOKOBAYET, M.M.; CHUNICHEVA, G.D.; SHCHERBAKOV, M.P.; ZABIpOV, R,D.~ kand.,geogr. nauky red.; BLAGOOBRAZOV, V.A., rod.; SKRIPKINA, Z.I., red.izd-va; ANOKHINA, M.G.9 tekhn. red. IThe Naryn River basin; phyaicogeographical features] Bassein reki Na.ryn;fiziko-geograficheBkaia kharakteristika. Fm=e, 1960. 288 p. (14IRA 14:6) 1. Akademiya nauk KiTgtzokoy SSRi FrEmze. Otdel geografii. (Naryn Valley-Physical geography) KOZHEVITIKOVA , IT,D. Influecne of grazing on the aerial and undergro=id parts of vegetation in the arid African millet-grass-ArtenLisia type steppe in the Issyk-Kull Depression. Izv. All Kir. $SR. Ser. est. i teldi. nauk 3 no-5:99-134 161. (MIRA 15:9) (Issyk-Kul, region-Pastures and meadows) ('.i,-JiA 17: 10; KOZH'-FVNIKGVA, N,P, (Sverdlovsk, u1. Malysheva, d.68, Icv.26 Methods and results of mitral commisurotomies. Grud. khir. 6 no.1;6-11 Ja-F '64. (MIRA 18:11) 1. Submitted May 15, 1963. SMIRNOVA, I.Se, kand. tekhn. nauk; TYUTYUNNIKOVA, V.A., kand. sel'skokhoz. nauk; KOMMKOVA, N.F., inzh.; BYYOVETS, A.G., - - .-T- -'DgtgJIT,' A., agronom kand, sellskokhoz. ii~f&, Treating seeds with high-voltage alternating current before sowing. Mekh~e` i elek. sots. aeIIkI:o,,, .'l n, , 1 ~33-36 163* (1,111Ui 16:7) 1. Vaesoyuznyy nauchno-itialedovatellskiy institut elektri- fikataii sellskogo khozyaystva (for Smirnova, Tyutln=ikorap Kozhevnikova). 2. Nauchno-issiedovateliskiy institut zemle- deliya tsentralInykh rayonov nechernozemnoy polosy (for Bykovets, Debelyy). (Electrioity in agriculture) (Seeds) KOZHAVNIKOVA, Nina Geor I evna; OXHLYUDOVA, A.S., redaktor; RYBIN, I.V., evn' flt I- ---IMnich7 W r e+a '61 [Nutrition of children in the kindergarten; work practice of kindergarten no. 617 in Moscow] Pitanie detai v detskom sadu: Iz opyta raboty detakogo sada no.617 g. Mookva7. Moskva, Gos. uchebno-pedagog. izd-vo Mintaterstva proaveshcheniia RSFSR, 1955. 197 P. (MLRA 9:9) (CHILDREN--NMITION) (KINDKRGARTJN) -D/JG L 18310-63 EWP(q)/EWT(m)/BDS AFFTC/ASD/ESD-:3 RH/,; ACCM-SION M AP3004977 S/0076/63/037/608/iBIB/iM (o3 AUMORS t Kozhevnikova, 11. 14 Rotinyan, A AL TITLEt Electrochemistry, of niobiumo 1, Overvoltage of hydrogen evolution on niobium. SOURCE: Zhurnal fiz. khimii, v. 37,.no. 8, 1963, 1818-1824. TOPIC TAGSs electrochemistry niobium, hydrogen, slow discharge theory.. ABSTRACTs The effect of surface current, temperature, and acid concentrations on overvoltage during evolution of hydrogen on niobium was studied. '"he relation between the de of electrode saturation and amount of overvoltage is explained. Hydrogen overvoltagelon niobium is shown to diminish and the p,-xareter of the crystal lattice increase as the metal Is saturated with hy(h-ogen. The hydrogen overvoltage assumes a steady value after formaticn of the Beta-phase with lattice parameters a - 3-44-3-45 M. This is attained by long term cathodic polarization. The dependence of the overvoltage upon 19 ik and upon the pH of' the solution is in conformity with the slow discharge theory. The temperature coefficient of hydrogen overvoltage at moderate current densities is 1-1-5 mv/qegree. The Card