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December 31, 1967
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BALAKIREVP V.,, 1nzh. In tho name of th-a earth; radio co=un:~cation line earth-space- -earth& Aval k9sms 46 no*2:64t.70 Y 164s (MIRA 17:3) '1:4-1, , ~ KORNFYET, Yu.A.; RAIAKIREV. V.F.; C-IrUFAROV, G.I. - %",r ~ Equilibrium conditions &nd the mechanism of the reduction by hydrogen of solid solittions in the system ~* - Cr - Fe - 0. Dokl,. AN SSSR 158 no.4:949-952 0 164. (MIRA 17:11) 1. Inatitut metallurglis Sverdlevsk. ;~. Chlon-korrespondent AN SSSR (for Chufarov). I .. . . ., I - . I . . I . I , . . . . r -, r, ~ . : .1 "A . I ilk ~, '-A -1 1f.1-94 M) zsun ~-uur,: mm u~- KOMIKYEV, Yu.A.;_DA!M1REV, V.F.; C1rJFATv'1, G. *~ Phase relations In the spinal region of the or.-tem Dok-lo AN SWR 159 noo5r1091-3094 D 164 Win 181,1) 1. Institut me'vallurgi-I p Swrdlovk. 2. Oblen-kerrespondeut. All SSSR (for ChUfOLTOV), TAKENOV, II.D.; V -,:' - , - :. i I ~ k -- I , . , . , I .., - ~ I ~ I . . .I . Phase equilibriwa ani ti,o " # i :~ ! ~ ~~ , I' , ;I of manganese ferrite aid rhm-LOte. Iil,k:. ~~'; 'j.,i~ i(J) ric;.(;-1335-1338 F 165. 1. Institut motalluri-II., 3winilkw3k. '. , All 3SR (for Chufarov). "T, of !-TiTA1201o F0304 solid rolution. Dokl. AN 01'-~,H 163 no.41891-'z93 Ae, 1t5. (MIRA 18:8) .;vnrdlov:;k. 2. C1.1en-korreol,ondent AN SSSR U-pr Ghufarov). At L 09065-67 ACC NR. AP7002376 5=C6 C6691-~'Uit/61'04-/66/000/()07/00)VD63 AUTIHOM Potashnik, S. I, (Engineer); Kabwkov I. Z. (Engineer); Stroganoyt is, M. (Enrineor); Kozhavnikov, N. N.1 Tsiz n N. 04.1engineer); Papanov,, As V. (Engineer)j Deschastnov, G. A. (Enginear)l Da (Engineer) va~--X- - ORG% none TITLEt Increasin& the power effectiveness or horizontal capsule hydroelectric units SOURCEt Elaktrichaskiye stantsii, no, 7, 19661 30-33 TOPIC TAGS: hydroelectric power plant, electric power production ABSTRACT: At the Kiev Hydroelectric Station, which was the first low pro- ssura hydrooloctrio station with horisontal capsule hydrooleatrio units in tho country# the usaGo of those horizontal units allowed a roduction in cost of construction and installation oporations in comporison with vertical i-nits of 20-25%. This artiolo proconts an ovaluation of tho poxior qualitloo of the capsule hydroelectric units on the basis of rosults of usago and in- vostioAtions.porformod, as well as some GueGosUons for incroacing those quilities. The author concludes that the horizontal cApsulo unit cAn operate norAally in the synchronous compensator modo with a. power of 13 War without romoval of wAtor from tho roflox condensation chrmbor. The thermal state 'of the rotor vindinga allows operation with a powor coefficient loss than unity@ which provides for distribution of the roactivo pawor in poak hours and L-i-, croasos the static stability of the capsule hydrogenorators, The uaaeo of capsule generators in the synchronous com neation mods is soonomicaIV justified, Orig. art. has, 3 figures* EJMSt 37PT43 SUB CODEt 10 / SUEK DATZo none -Cord IMsi WJDGs 62-224-1~1-2 I , MIM Y'r --- -------------- ACC NRs A~&29210 SOURCE 01 AUTWRI _UrW*yo ru. A.1 Balakirevo V. F.; Chufarovp 0. L 3o 4 Wo Simr4lovsk Mallurg Institute (Sverdlovskiy Institut metallurgil) TITL51 Reduation of solid solutions op MaRrtesiuft-ferrite and chrmite IV Tri SOURCE# Zhurnal fisichookoy khtmito T. 40t no. 6t 1966o 1234-1239 TOPIC TAGS1 %"slum eampoundp ferrite# chromitep solid solution ~ OtirmorclogA- NFDVVr10AJ ABSTRACT& Me solid solutions 14gFexCr 04 were obtained by sintering powdered MgOp F*20) and Cr20 at 12006C for 15 hrp ;A;rn- soaking at 10000C for 5 hr and quenching In water, The reluation of NSFO 1000 and 11006C and the datermina- tion of *quillbrIum con#tlon -ar'soa-10Aedatoult tin a vacuum unit in which an %+H20 mixture circulated. I-raVWy dt action was used to study the solid phases formede It was found that Vegard's additivity law Is not obeyed by solid solutions of magnesium ferrite and chromite. In the solid products of reduction of ItFel Cr 24AP when up to 33.3% of the latter hoe boon r*duoodp the phases in equilibriumeM Motnel phsoe of variable 00mposition Gonsisting of magnoslutt ferritep magnesium chronite and mag- notitep and a wast1te phase formed by ferrous oxide and %&gnsslum oxidel when the re- duotion has proceWed beyond 33-3%t magnesium chromitep the solid solution N&O-F*O and iron are in equilibrium, The equilibrium pressure of =Tpn was determined at 112 rVj A jUt-Al CC tdo AF"210 varlatio.degrees of reftotion of ftfti.? cr .0. The soquenoe of conversions i~volvsd in this redwtion. rei" the saw IOODC. Orig. art. bass ftguvs, 2 tables &M )' twindas, BOB cmi 07/ sum DMI iOjAn65/ ORIG RV 1 010/ OTH we 007 BALAIMEVO V,P., inzh,; DOWN, L,G,p lnzh, State and development of hydraulio amt6d systems abroad. Trakto sellkhosmash. 33 no.6t46-3 of ommr Je 163. (MMA 16:7) 1e Gosud"tpnrV nauohno-issledovat4l skiy traktorwjy institut. (Traotare-Hy&aulic equipment) I I I --- FUTAK-T. I.A.-Okskva) )kxlmp priwiple in t),e theory of &*oond-order optimm systems. AvtoaA telem. 23 no.8slO14--.1022 Ag. 162. (HDLL 1517) (Automatio control) ACCESSION NR: AT4021142 BA078/63/025/000/0181/0199 AUTHORt TITLE: The maximum principle as applied to the optimization of second-order system SOURCE: Moscow., Institut khtriddhaskogo mashinostroyenlya. Trudy*, v. 25, 1963. Komplaksnaya avtomatizatsiya khimicheskikh proizvodstv (Over-all automation In the chemical Industry), 181-199 TOPIC TAGS: automation, foedbac~, optimization, second order system optimization, max1mum principle, Pontryagln principle, trajectory, internal delay ABSTRACT: The "maximum principle" of L S. Pontryagin to widely used In the solving of optimality problems for vrrious dynamic systems. Bibliographical references are given In the article for those who may not be familiar- with the content and proof of this principle. In this paper, the author considers problems arising in the optimization of objects whose motion is described by s6cond-order linear differential equations. The selection of this class of objects was dictated by the following considerations: a) the dynamioa of by far the greatest number of Industrial faoilities (objects) Is, In fact, ap- proximately described by linear-differontial equations of the second order with "delayff control; b) socond-ordor optimal systems oat be investigated with relative sue on a Card ACCESSION NTR: AT4021142 phase Plano; c) such systoms can bo synthesized with generally available means (the non- linoarity units of modeling devices, simple functional converters, etc.). The problem considered Is basod on the following dynamic system in n-dimensional phue opus XU: X (t) -.AX (i) + DIU M- whom x(t) Is the vector of XTI; u(t) Is the vector of limited r-dimensional space A; and AjDj are matrix columns. 71w author considers the problem of determining the owitohing lines of dynamic systems with minimization of the transition process time. In his discussion of the realization of the optimal system, the author points out that, once the analytic expresnion of the switch- Ug Une has boon found, then, in principle, the problem of synthesizing the optimal equa- tion Is easily solved; however, from the technical point of view, a number of difficulties are encountered. 7hese difficulties are analyzed and data are given which illustrate the uss of computer techniques In Ws area. Orig. art. hosi 4 figures and 65 formul"s ABSOMTIONt Inotitut khimlohook6p =&shtnosftoyftfyj6 Moscow (Insub" of Chemical Zqu4xn6= Desip) CWd 2A ACCEWON NR: AT4021142 SMUTTED: 00 DATE ACQ: IgMu$4 SUBCODEt Me MD NO REP SOVt Oll card EN014 00 OTHERt 000 ACCEMON NRt AT4021144 S/S0?$/"/0W000/0214/0=0 AUTHORt Bab&im. V. IL TITLEs OpUmlaft 940"d or ayessm& with delor SOURCEi Moscow. DmUtut Mdmichoskftv m m# V. 25, 1968. TrW. Komplaksnaya extatmatizatsk" (over-all &*0WAUon ii the chmmical 1nWmW$ 114-230 TOPIC TAGSt automUon. feedback# internal delay. ".11. "oond order system ABSTRAM The author considers the proMem of *$Imizatlon vim do systsm of differ- enfle? equations oonftJ^s variables wfih a delay argumed. In n-dimensimal. Oisse Mmm X-Ift a dymmlo system. is -7.mfiven bj "onx~ 04 lit (4 1 A a ML 'I-'* a. whm x(t) &M yM a '~41t' 0 are die vectorm X'k, mW uM is the voolor a9 "Usioul closed space ECVr (V Is Nualidlan or Hausdort qmm). Us optimlsatka ot lhmr sys- tome Is oonsidered in the light of th,"s ocesidezraflons. However, it Is weill kon!L am the 4vAando pmmUes of the =Qortty of Industrial objects we descrtbed, shledy U&M.0 noullnew diffenWAal equallons. On the ath band, If do du %CWd NR: AT40211" the coordinates 4 theabject hom the state of equilibrium are snotall, the movements of i the object oan bL, described v4th a high degree of accuracy by a asoond-order differential equation Wth a delay element Introduced). For this reason, the solution of variation problems in the optimization of objeots with transfer fimatiors of the type W(P) ke-P V (TIP + 1) (T2P + 1) to of great Importanoe from the ;practical point of view. The dynandon of a asoond-order system vvith delay argument is desorlbed IV i Xt (0) zw zo 0. COM 2/5 ACCEMON NRs AT4021144 Cono This systom corresponds to an object with the straoixtral diapam sbown in P%we 1 of the Enclosure. The Yroblem of optimizing such a system Is discussed In 4"L Two pax-ticular cases we considered: 1) the dynamics of the object are descrOad by the 10110WIDS system of 4MOMUSI equguons: e4 ~nd U Is necessary to.oldbAze the tmotion J dt; 2) the 4namle P' "MM" of do tontrol object are characterized by Ow Movdag my of equtloas -vct'* .