SCIENTIFIC ABSTRACT PETRENKO, B.G. - PETRENKO, A.P.

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SCIENTIFIC ABSTRACT
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PETRENKO B.G.,, prof.; ANDREYKV, Ye.l., kand.veterin.nauk; ROTOV, V.I., i~n_&.'veterin.nauk; TOLSTYAK, I.Ye., kand.veterin.nauk; KON02ENKO, P.A., mladsidy nauchnyy sotrudnik; OM&UYENKO, A.A., mladshiy nauchnyy sotrudnik;: BAKU)ENEO, M.D., mladalhiy nauchny-i sotrudnik; CHECHETKINA, N.P., starshiy laborant Crystal violet blood vaccine against foot-and-mouth disease. Veterinariia 40 no.7:9-10 JI 163, (MIRA 16:8) 1. Ukrainakiy nauchno-issledovatellskiy institut eksperimntallnoy veterinarii. (Ukraine--Foot-and-mouth disease--Preventive inoculation) VOL.TIXP A*G*., inzh.; PETRENKO,, I.F.., inzh. Anchoring pontoon with piling. Transp. stroi. 12 no-3:52 Mr 162. (MIRA 16:1.1) WINSKIT. B.D.; DURAYEVSKIY. M.N.; SINXBRYMOV. N.V.: PETREEKO. L.I.; ZORIN, S.Y., red.; DOBUZHIIrSKATA, L.V., tekhn.red. [Safety regulation In the open-hearth process) Pravila bes- opasnosti v martenovskom pzoisvodstve. Moskva. Goo.nauohno-takhn. isd-vo lit-ry po chernoi I tevetnoi metallurgii. 1960. 127 P. (MIRA 13:7) 1. Soyas rabochikh metallurgicheakoy prowyahlennosti SSSR. TSentralinyy koultet. (Open-h"rth furnace*--Safety measures) TUV, 12raill Aronovich; FWENKO, A.F.p red.; VOLCHOKp K.M.., tekhn. red. [Firing water-cut fuel oil In marine steam boilers) Szhiganie obvodnenyWkh zaazutov v sudorrkh parovykh kotlakh. Leningrad, Izd-vo "Recbnoi transport," 1962. 63 PO (MIRA 15.7) (Petroleum as fuel) (Boilers., Marine) -Nd~M10M 6 '(c)- JDIJGIGt ~:'ACCESSION. NR: -AT5008402 S/0000/64/000/0000023/0031 AO _AOMOR-i Petrenkg, A~' Gi-Kiznetsova, L. h. -Ian- TITLE 1: orange as a-complexometrici-iiidicator-for indium, cerium and t anUM h_ 7 'bURCr AN Sibirskoye otdelen~e S niT~iko-met~~:~.Urg;LCII~er'ki KhWcheiki ikh ;n _tafi" (Chemical -analysis of non- y ii~al z tavetnykh i redk 9 , 23-31 Jerrous and rare metals). Novosibirsk, Redizdat Sib. otd. AN SSSR, 1 64 TOPIC TAGS, xylen.ol orange, indium, ceritm, lanthanum chlelate, phenol derivative, acid -base iiidica or, organic dye i.ABSTRACT: Xylenol.orange, 3,31-bis[N,N-diL(carboxymethyl)airLinomethyll-o-cresol- _-_sulfoPhthalein_,_disP1ays_ both-acid-base and metallochromic properties. The acid- .-base sensitivity results from the mobility of the proton on the carboxyl group :,.of the*Phenol, while the metallochromic properties are due to interaction of the !_.hydroxyl on the-phenol with the chelating dicarboxymethylaminomethyl group. To 3.4yeAt_igatip---,~ile-possibility of using--xylenol orange as a complexometric, indicator, 'the - an _Oyp d its complexes with indium, cerium and lanthanum were spectrophoto lme ricallyistudied. The measurements were made in buffered solutions (PH= 1-10) t C6rd i/2: 69332 18 110o S/129/60/000'05/005/023 E193/E283 I AUTHORS: Tey~er, D. A., Petrenko, A, and Kurtova,, L. A.1 Engineers %~. TITLE: Protection Against Decarburization of High-Speed Cutting QteQl* During Annealing 116 PERIODICAL: Metallovedeniye i termicheskaya obrabotka metallov, 1960, Nr 5, pp 19-23 (USSR) ABSTRACT: The object of the investigation, described in the present paper, was to develop a method of preventing decarburi- zation of high-speed cutting steel during annealin which, at the same time, would give protection aainst oxidation, so as to eliminate the need for subsequent pickling, which, in the case of thin wire, may prove to be a difficult operation and may result in inferior surface finish and in considerable losses of the metal, The experimental work was carried on strip (1.5 to 3 mm thick) and wire (1 to 3 mm diameter) specimens, annealed in a salt bath, in vacuum and in various protective atmospheres (hydrogen, dissociated ammonia and the products of partial combustion of kerosene). Two steels Card 1/8 were used in the experiments- steel P9 containing I it 69332 S/12()/60/000/05/005/023 E193/E283 Protection Against Decarburization of High-Speed Cutting Steels During Annealing 0.84% C, 3 98% Cr, b..3% W, and 0.36% Mn, and steel Pl8j containing 0 ?6% CI 4,02% Cr, 15 89yo WI 1,26-/,' VI 0.40% Un, and 0-13% Si. The degree of decarburization was determined by the method due to V. D. Sadovskiy The experiments on thE! E.Iffect of dry and moist hydrogen, or dissociated ammonia. atmospheres, were conducted in the apparatus illustrated in Fig 1, showing: 1 - bas flow meter; 2 - watei; 3 - alumina gel; 4 - thermometer; 5 - three-way stopcock; 6 - annealed specimen; ? - quartz tube, The -ases were diied (to dew point of -500C) by passing through regenerated alumina gel; oxygen was removed from hydrogen 'by passing it through a tube with titanium shavings heated to 900 to 10000C. The annealinfr experiments (30 min duration) were carried out at various temDeratures between 600 and 10000C. The results are reproduced in Fig 2, where the depth of decarburization (mm) is plotted against the annealing temperature (0C). The results of other experiments are reDroduced in Fi~_,, 3, where the depth of decarburization (mm) at 9000C is Card 2/8 plotted aCainst the duration (h" of the annealing .1 6 93 3 2 S/1-9/60/000/0 5/00 510z_ E193/E283 Protection Ar_ainst DecarburizaLion of High-Speed CuttinE Steels During Anneaiing treatment, the four curves relating to experiments carried out in 1 - dry hydrogen, 2 - mdst hydrogen, 3 - dry, dissociated ammonia, and 4 - moist dissociated ammonia.. It will be seen that at temperatures above 60000, neither moist nor dry hydrogen (or dissociE,,ed ammonia) can be used as a protective atmosphere for heat-treatin(S high-speed cutting steels. In the next series of experiments, the -ni-itability of products of partial combustion of keroseie for this purpose was studied. The apparatus used for the production of the protective atmosphere is illustrated in Fig 4, showinC: 1 - electric motor; 2 - kerosene PUMP; 3 - kerosene filter; 4 - pressure regulator; 5 - pressure gauL~e; 6 - burner jet; 7 air blower; 8 - throttle; 9 - ceramic housinL., of the burner; 10 - hole for igniting kerosene; 11 - combustion chamber; 12 - in- spection hole; 13 air heater; 14 - tube filled wit'r, Card 3/8 "ke; 15 - gas consimription ineter; 16 - fabric filuer b9332 S/129/60/000/05/005/023 E193/E283 Protection Against Decarburization of High-Speed Cutting Steels During Annealing 17 - pressure Gauge. The apparatus is operated in the following mannert with the aid of the pump, 2, kerosene is supplied to the burner 6 through filter 3 and pressure regulator 4, Air is supplied by the air blower 7 and is passed through the heatE!r 13 before being mixed with kerosene in the burner where a highly combustible sus- pension of kerosenE' in air is formed. The mixture is burned in the combustion chamber 11, provided with fire-resisting lining and a horizontal partition which ensures good mixing of the combustion products. The products of partial combustion pass throuGh a cooling column 14. filled with coke; in the upper part of this column, water is sprayed to cool and clean the combustion products which are later purified by passing throuGh the fabric filter 16. The --as obtained in this apparatus contained 5 to 6% C02, 8 to 15% CO, 6 to 15% H2 and up to 0-5% 02, When an atmosphere with a low moisture content was required, the gas was dried with the aid of Card 4/8 alumina bel; when necessary, C02 was removed by passing 69332 S/129/60/000/05/005/023 E193/E283 Protection A,-ainst Decarburizatior. of High-Speed Cuttin(L Steels cz, During Annealing the gas through a vessel. filled with 33% water solution of NaOH; the drying an~. purifying train is illustrated in Fig 5, showing a tubE! with cotton wool, flow meter, vessels with the NaOH solution and a tube with alumina gel. The C02 content in the purified gas did not exceed 0.5016. The heat-treatment experiments were carried out on specimens 9measuring 20 x 25 mm, 0.6 to 1.5 mm thick, which werE! held at 9000C for 1 h and then cooled slowly to room tOmperature. The results are given in Table 1 under the following headings: preli- minary treatment of the protective atmosphere (without drying and puri.fyin;- trE!atment; ditto; ditto; ditto, drying; ditto; drying and removal Of C02; ditto. ditto;); C02, CO, and 112 content, %; dew point., 0c; deDth, mm of the decarbUrized layer. It will be seen that the products of partial combustion of kerosene require supplementary drying and purifying treatments Card 5/8 to ensure full protection a0ainst decarburization of 69332 S/129/60/000/05/005/023 E193/E283 Protection Against Decarburization of High-Speed Cutting Steels During Annealing high speed cutting steel, In the next series of experiments, the suitability of the products of partial combustion of kerosene for inte ittent annealing of Nq~~ and Mo-614(0.960/o C, wires, made of steels.P8, 6 VT_ 0.44% Mn, 4.05% Cr, 5 ~7~6 Mo, ~.96~6 , was studied. Coils of wire, 0.9 to 1.5 mm diameter, weighing 5 to 6 kg, were placed in a metal container which, after purging with the burnt gas, was inserted in a muffle furnace; the annealing operation consisted in heating the charge to ~)OOOC, holding it at the temperature for 2 h, and cooling at the rate of 50OC/h. The same experiments were carried out in vacuum, in a salt bath, and in air, the heat treatment in the 0 latter case consisting in heating the wire to 740 C, holding it at 0 the temperature for 40 min, and cooling in water. It was found that the mechanical properties of steel are not significantly affected by the method of annealing, except when the heat-treatrient is carried out in a salt bath, in which case a product, characterized by surface Card 6/8 defects and non-unifornity of the mechanical properties, 69332 S/129/60/000/05/005/023 E193/E283 Protection Against Decarburization of High-Speed Cutting Steels 0 During Annealing is obtained; in addition, a somewhat difficult washing operation is necessary when salt bath is used for heat- treating the wire. The degree of decarburization varied with the method of anrealinE employed, which also affected the drying characteristics of the annealed wire (i.e. the maximum total deformation between anneals), This is shown by the data given in Table 2 under th following headings: tyT)e of steel; a ! (UTS kg/mm 6 (elongation, %), and maximum deformation between anneals for material amiealed in (a) air, (b) burnt kerosene gas., (c) vacuwa and (d) salt bath. Best results, in this respect, were obtained when dried and purified Droducts of partial combustion of kerosene were used as the protective atmosphere, Wires, made of steels P16, Mo-6 and P91,.5 at-aiealed in this atmosphere, could be drawn to 66$ ~5' and BWo' totnl doforination, respectively. It would appear that the improvement in Lhe drawluj~ characteristics of wires, annealed in the atmosphere of Card 7/8 partially burnt kerosene gas, can, to some extent, be 69332 S/129/60/000/05/005/023 E193/E283 Protection Against Decarburization of High-Speed Cutting Steels During Annealing attributed to the formation of soot (graphite deposit) on the wire surface, whi3h acts as a lubricant. Several conclusions were reached. (1) Annealing the high speed cutting steel in the atmosphere of partially burnt kerosene gas, from which both H20 and C02 have been removedt ensures freedom from decarburization and scale formation. (2) This protective atmosphere is effective at temperatures up to 9000C. (3) The method of annealing, studied during the present investigation, is of particular importance in annealing wire and other products of small cross-section. Acknowledgments are made to Ye. S. Morozova, who participated in this work. There are 5 figures, 2 tables and 2 Soviet references. ASSOCIATION: TsNIIChERMET Card 8/8 FBTRIM. A.G., inzh. Properties of cold-rolled electrical steel. Sbor. trud. TSNIIGHm no-17:138-153 160. (MIRA 13:10) (Sheet steel--Vold working) (Steel-Zlectriic properties) 0!- //-"/0 69,120 0 0 SOV/81.-59-9-3-1744 Translation froms Referativnyy zhurnal. )(hWya, 1959, Nr 9, PP 316 - 317 (USSR) AV MIRS: Petrenko, A.T., Antropay, L.M. TI=: Combined Protection of iron and Zinc in Acidic Media PERIODICALs Bb.'kop--t po korrozil I zashohite metallov Vaes. eov. nauchno-tekhn. o-v, 1957, Nr 2, pp 82 - 93 ARSMCT: The effect of corrosion inhibitors of the adsorption type without and with application of cathode polarization on the corrosion rate (CR) of Fe and Zn In an acidic mtdium (1 n H2304 and 1 n HC1)~ has been studied. H2SO4, HC1 (acid) and also surface-active additions of the "chemically pure type were used. Based on preliminary experiments, the following additions were selected- n-tolylthiourea, thiourea. 1 tribenzylamine I and sulfate of tetrabutylammonium and anthranilic acid-- The-electrocapillary curves obtained on mercury in 1 n H S%,without ;;~Itlons and with additions of surface-active substangesishow that anthranilic acid and n-tolylthlourea in an acidic medium generate surface-active molecules; trlbenzylamine and sulfate of tetrabutylassonium foru surface-active Card 1/2 cations, and thiourea Is analogous to the surface-active anion. It has 18 .5 100, 18 - 71 Or- AUTHORS: Petrenku, A. G. , Kw-tc :'i, L. Ch-~t), G. F. 14. , :;~ -,-vI I n, R. I M. L. (Ell TITLE: Physical Metallu-rgj aikd ii. Th,-, of Intermediate Ann,:~al 1w, 1,1 jj-,,(-jr0 Losses of Cold-Rc,11--d Transforni-r- StE- PERIODICAL: Stall, 1960, Nr 1, PP YI-Y3 (USSR) ABSTRACT: This is a t)rief :--,port. conor,rtiiii:- production that '_~) :_'n ~_~ of de-reasin~, carbon oc)ntenl, _~n th.: The intermediate anneali,-,C, i-A -el-' r)rotective atniosi)here cf lix', and blast f,,irivar,e fras) tunnel-type f _irnac,~ arid 'L~c-ir,i;_;w 1-i tive atmosphere of dry hydro;r~:,:. M'. I. V', Spiridonov, G. G. Kuznetsov, Eind G. 14. a, r pated in the work.. Th(- 1-nve,,3t li~ated stec~j ha(i 1'o I I 0".~ - ing chemical campo,~Jtiun: C, O.OLI-0,0,1 ; Mn, Card 1/6 S1, 2.90-3.26; P, 10.00,~-~1.0',)';`; S' C Ph-sical Metallizrgy and The Effect of Hydrogen on Specil'L~ Transformer Steel 0.0,9; NI, Th~.- r-s,A.A~ of te-tE7 under art:~ 7,lven in Ta.,,1~~,-, -A The authc)r~i th- The applicatloii o1' (A(, ible dt~cari)url:-atloii antLeal 't the strip 0.8,5-0-7C I-Ind 0.')0-0-35 min thick Jr. a type. I'urnace In hydroi~,,en atmosphere facllltat~,,,; pro- duction of ,,.eel with lower carbon content and specific losses tfi-~:.n in the case of Interm-idiate a!iri-a2- ill of steel in bell furnaces in DKh-Gas atmospli..'-,re. (25 The cold-rolled transformer Is toel of inveztlgated melts, which pac-sed the double intermediate anrif-,allrir4l inthu tunnel-typt, I'lu-naces In the atmosphr-re of' dry hydrogen (and if'ter hIgh-temperature ann-allri;-, of, sli-E-ts I vi t lie .- a c. un a ~~ id a dd I t i ona I a rine a 11 ngrIm I i ,71 ti of' work-hardranlri~.-) , has rrtaC-,netic ind,,ictlon Fr~.!,, 18,700 to 19, ~00 causs, and specific lo-s6es r,,,r .,!,eets 0.,)() 111111 1'. ~).,,iO t(~ OJOI "tIld 11 I'VoIll I -_0 11) Card 2/6 to 1.86 watt/I(g, and for sheets 0.35 nun thick Pic) 1'rom Table 1. Electri(, ,tnd steel, whL ch pA-,,(2d !-h- A 1 .,flilli-"11 Iti.~ In in DKh-f~a~~ atnio-,iphen, (A) 1'1~ij 11', (B) Tit I C W. 1j U OF F IFIC LO~SFSS m~tw r lc I Pf Duc r L 0 t- S PIACPh 104 E, UC T ICR STAfirltum) 5 MfLr (wATT/K(;) t 6AUSI) 1, CLT P, P's P,, fj g P.. 26422 9 3 1 700() 8430 11300 iq?1110 26422 1-. () 7 8 )(If) 95( 0.50 2600 02 7 ) C, 'no 1 R31, :; 9.0 o 2CU041 9 1 2. oil 2.76 5 2595 97 0. , S 2.8 17 3 SO 1877 19350 1)AGO 1 I S 9!1 5 1 0. All I . !,!, 2 70 1 I fl~ h 01) 941116 111 S 0 AVERW 1.02 2. 18 3.05 171 to 18n2() 1 'Q30 19700 Avi- ~,ANL 0.112 2. 00 27 4 1 7 930 .186 ~ 0 19480 19670 2C488 0,80 1.12 2. 3n 1820U 1 hAof) i IJ450 19950 2f047 A . r 7 1 . 94 ~ ROfO 4 706 ~ 93 50 7(10 . 2 O.7S 0k 2 26 %7(m 9 00 q550 91,nO C1 9 1 6. T(, 1 1 1 1 , 1 0 0 ... 0 9850 2.11 02 R 5 2 67 74uo ; : a on : moo 1 ' , ) 1 1 . 4 2 1 7 ( ( 3 1 e, h 6 () 9 4 ' 0 19PSO 26965 0 : 73 48 1 : 1 9 t, 9000 9300 9700 :1 6 (: 22( 1) (A 6 2 0. 1 h 1 43 194 14300 90,0 ~,(00 19800 1 0.35 26 1 Of, 0,79 1.80 2 4 7 17200 IH300 18850 194,~(- 2nhO3 G? I . 37 1N0 I w 2 N) 1 1,000 144 00 19750 27142 0 ' 1 72 1 2 35 17HOUP 8 7 00 9251) 7S~ 1, 1,416 1 . 7 I .411 1. q8 "J. rj 0 270410 0 7 :68 2 3 2 ,2-OO 6 : ( 0 ) j-1 0 D : 1,41 16 C U. 7 )I G 08 2 t, () ) 0 ' 0 26847 0 70 1. 49 2 00 '18700 0 3 0 8 0 0 0 1 f, (1 15 7 4 , 0. 7. " 62 0 , !Jj 19~ (' 11 70 i 1 1 8 8 1 ~f 111 C 1 70 200 1 .E AvLRA 0 77 1'98 2. 26 16771) 19320 1 97V, AVCrA6f 0. 1 .48 . 9 j 1 94 9 Ca rd '7iib", SOV", I Table 2. Electric, ---And mia~,nr-tjc prop,-- r-, J-:, furnace In hydro.-:-en Lit r addit Ion anneal in,-- rvic 2GC12 i0 At 52 7q00 4 ; 150 9 9615 0 19910 4 . ' 0. 72 4 2 : V 306 1 '1 : 0 00 95 O 15 900 269 1, 3 1 .8012 ~53 sloo 0 1, 00 j5 0 i 9 1p 00 ANEWE 0. 12!1 .79~2. 491 14080 1 DOSO 19S39 119015 .6347 0. 5711 . 22;1 . (4 18300 119000 19600 119930 "..91 to 4'1~ 1 4 111 91 18.200 : 1 ~ 100 197011 . 20poo 6 1 0 t). 64 1:41~11:99 00 0", I ISO :6211PO 700 .01300 19300 119750 1 110700 10950 1 0.05, 1300 ' ( 9 i 10300 19400 IIV '60 ~ C. n 0 6 i. 0111, 2 1 7 1 01) 1 :9 111-00 19"'.0 1, 1 1 rk 0: 'Je.: A 1 92 3~('O 1 ' ( ) 9 I!k,00 19too 14U 0 6, a'J. . i1 3 Ad 700 49 1SOO 19160 1 A fl?Arf 0.1513;1.331 1 - 8~ 184so 19060 10630 10170 Card 4/6 Table which steel , annealing ifl iti i'f, I I rw,,,-ry5 I OP I i L 0-'S f -T MEL s k"r I/ ke 6AUSS 2 14,2 92'177. 0 1 1 -- (. u'. k 21 - Iou , ~- 11-700 ! I -,-1- 4 ":'I V2. 1 (1, b C, '17: 11 hO 1 91,41) 11 .. ("I 4 4 1 110 Ca rd 5/6 Physical M;: aii i Hf,at Trtlatm(--,'-. The EM--,ct ei, I Lirt.--a I! ni- 17. O-V/ 13 3 - liydrc)-en on Specific cif Cull-R, Tramifornicr C . . . . . . Ia S (7, "Flt 'he nt,( ~i' 1) 1 ;l I It tAw I I, f la c e Li whi c 1A absure "'It(, III(,:. inten~'J.'~e dc(~~arh~~T'Ly'11 10" (h-at-Jnj-.,j-n dry hl-,,dro:-~!r~, ho] d i;,;, I n )r-mild, c,-11,111111" t 11"'Sf-ri) (counter to 't-- 01, Loth 1"; i - 1~ A.- - mu.'e,mer"L.) ).ikiro 'tm~ The interm -(I ~ 1 (~ aririealinL~, in the tun,-iel-typll l'urnace, with tension of' heated (to '(50-800c' (3) 3trip, re,-,ults alno In the diminishl-ng or Jt,-, and warping. Therc is 1 and P So,,let ASSOCIATION: it ol' Ferro H".' :111d lAlf. ;111(1 MillIlChM ! ~~;t~-mly "Z;t~ 'W" i Card 610 BU M , A.I.; FITRINKO, A,G. Complexon indicators; a survey. Zav. lab. 24 no.12;1449-1457 '58- (MIRA 12: 1) I (Indicators and test papers) USSWCultiva-'.-ed Plants - T~-,chnical Olcoceae, Sugar Plants M-7 Abs Jour : R,,f Zhur - Biol., 1`10 1, 1958, iio 1699 Author : A.C. Patrenko. A.N. Kor-hina Inst : 0,; uIven Title : Ow- Poel-LUt.1-itica of OL;trolist 274'~ Vczi-aty 'tobacco Rai-~ed in DrIfferont Planting Donnitico. Oris Pub : TRD-bak) 19541, No 3, 15-17 Abstract : 2ie work has been ---arried out. in 1952 on the testing area of the iastitute in the K--asnokrckiy kray. The plants of tobac- co were with a dcnsity of 42.83 Ptnd 167 thou- c,ind plants per 1 hectare. it waz established that with dense planting, the leaves contain le:7s Oxy matter, the moisture ca- pacitj and the water ,-!talfnin~3 capacity of the dry matter in- cx!.ases, and the velocity of wr.~'w~r loss by the leaves during dx ying decr.~,asas. After fementation, leaves contain more s*,,,gars and less of the total ti-ad albuminous nitrogen and also ni,-otine. Preference ha5 to bo given to the sparse I;lanting of the variety Ostrolist 2747. Card 1/1 Complexometric Indicat--ra. Revi-3w That there are r-?latively few redox coinplex~.mp'r- 3,1-- and methods is a result of the complicated work:ng required to use them and the difficulty in synthesizing dicat-.rs of this type. It is shown that the lack -,f n-w indicators could be remedied by carrying out syntteses vcl.%I-ing the intr3duction of new, analytically ac-t'~ve rridi into the molecul,~. There. are 165 refereri-oo, 25 of Soviet. Card 2/2 IOATOV, D.V., starshiy naucimyy votrudnik; PE77WKO, A.G., nauchnyy sotrudnik Morphological changes in the lymphatic nodes under the in- fluence of a constant source of ionizing radiation (P-32) on the organism; a preUxiinary report. Trudy Ukr nauch.-isal. inst. ortopo i travm. no.15t355-358-159 WRA 16t12) 1. Iz Ukrainskogo nauchno-issledovatel'skogo instituta ortolm - dii i travmatologii imeni prof. M.I.Sitenko (dir.- chlen kor- respondent ANN SSSR, prof. N.P.Novachenko). 133-10--19/26 AUTHOR: Ioffe, 1,11. M., Petrenko, A. G., and Chub, G. F. Engineers. TITa: The Influence Of Technological Factors on the Electro- magnetic Properties of Cold Rolled Transforrier -Steel. (Vliyaniye Tekhnologicheskikh Faktorov Na Elektromag- nitnye Svoystva Kholodnokatanoy Transformatornoy Stali). PERIODI(AL: Stall, 19.2?, No-10, pp. 936-940 (USSR). ABSTRACT: During the mastering of the production of cold rolled transformer steel 0.35 and 0.50 MM thick, 750 x ?50 mm., Zaporozhstall Works together with TsNINW11 carried out an investigation of the influence of various technological factors on the ma&rietic properties of steel. The following factors were studied: the influence of silicon and carbon content, vacuum treatment of liquid steel, the influenceof a preliminary annealing of hot rolled strip on properties of cold rolled steel and the influence of vacuum annealing. The dependence of specific losses of cold rolled transformer steel 0.5 mm thick on the content of silicon and carbon, Table 1. A comparison of electromagnetic properLies of cold rolled transformer steel untreated and treated in vacuo, Table 2 and Figure- 3. Mlechanical and magnetic properties of transformer steel cold rolled with andwithout a preliminary annealing, Tables 3 and 4 respectively. The influence of the Card 1/3 temperature of vacuum annealing on the electromagnetic 133-10-19/26 The Influence of Technological Factors on the 19lectromagnetic Properties of Cold Rolled Transformer , Stee---. Card 2/3 properties of cold rolled transfoi7ier steel - Table It is concluded that; the optimum silicon content in the transformer steE!l under operat-Lng conditions of the works is 2.9 - 3.3PIo, further increase in silicon content has no practical influence on the magnetic properties while it makes cold rolling more difficult. The content of carbon in finished sheets varied from 0.010 to 0.015%, a ~Wareaae in carbon content within those limits leads to only a small decrease in specific losses. Decarburisation takes place only during preliminary annealing. Vacuo treatment of the liquid steel produces a decrease in the contents of carbon and sulphur in the metal. A more accurate study of the influence of vacuum treatment on decreasing specific losses is necessary. Increasin5 the temperature of annealing in vacuo (20-40 mm Hg above 1100 C does not lead to a further decrease in specific losses. The following participated in the work: I.L. Zlatkin, S.M. Popov, N.A. Troshchen-kov and LI.I. Veklich. There are 5 tables, 5 figures and 3 references, all are Slavic. 133-10-19/26 The Influence of Technological Factors on the Electromagnetic Properties of Cold Rolled Transformer Steel. ASSOCIATION: Zaporozhstall Works and TsNIIC1d-v!1. (,~;avod 4japorozhstall i TsNIIChM). AVAIIABLE: Library of Congress Card 3/3 PETRnilro. -,. 0. invogtigating, tbo of ",-I fr-r- montation of tol)acco. lTzv.vys.ur-nnlrj.:!ftv.; plphcft.rn',0i. n.-).6: 78-82 '58. (I-IT.)L., 1.):~) 1. Vsef3oy-uznyy umtltut tabaVm t -nak1hrNrl,~i, OtOpl gmiahki t forientats1l. (Tobftcco curinp) j0V/ 13 3- 5 9- 3-L:131,7) e-- AUTHORS: .--Petrenko A.G. Kurtova, L.A. , Petlyakov, L. L. aL:i Belyakov, k.-I. TITLE: Heterogeneity of Magnetic Properties of Cold-relied Transformer Steel (Neodnorodnost' ma~,nitnykh svoyst,~ I&holod-nokatanoy tr&nsformatcrnoy stali) PERIODICAL: Stal', 1959, Nr 3, pp 26-/ -- 268 (USSR) ABSTRACT: Draring the production of ccld.--rolied transformer steei on the '~o,rcsibirsk Works., some lcts of sheets pOssessed uxl_~; a t ~-sfac-tory magnetic properties. On inopection of tkie i-_urfa~_e of _reject,?d sLeets, zones with a fine--grain structure were n,_)t_-cad, Metailographic inveszigations indica.l.ed that in I;he fine-grah zones the edge of the oub a ~001 of near.ly each individual grain f'rrmed an an6ie with -the direotion of rollinB while in the reinainin~,2, metai~. practi,,;ali,7 all grains were orientated along t.,ie rcliirlF- d-ire.--tion. The absence of the necessary texture was also_ confirmed-)by magnetic anisotropy (Figure 1). Re-anliealin'-', at 1 200 C in hydrogen offaalty sheets did riot improve thei-r magnetic properties. Tne presence of the above graLn zones can be explained either by their higher 3arbon Cardl/2 content (from traces of grease films from rol2ing n s f o 1, _- e T Heterogeneity Of Magnetic Properties ~)f Cc-.Ld-ro-Lied TTa Steel carburised the affected spots) or small amounts of Mn, Ni or N or bj the presence of non-metallic irclusions. is concluded that In order to obtain good quality tra-,-s- former steel without fine-grain zones, it is necessary to prevent the contamiaation of the metal and a more complete decarburisation of steel. There are 2 figures, 1 table and 6 references., 7- of are Soviet and 1 English. ASSOCIATIONS: TsNIIChhl and Novosibirskiy metallurgiches-kiy zavcd (Novosibirsk Metallurgical Works) Card 212 ICM, M.N.. insh.; MROKO, A.G., insh. ; CHUB. G.Y.. insh. Effect of technological factors on the electromagnetic properties of cold-rolled eleeprical steel [with a-mary in English]. Stall 17 no.10:936-940 0 05?. (MIJA 10: 11) 1. Zavod "'Zoporozhetall" i TSentrallnyy nauchno-iseledovatel'skiy institut chernoy metallurgli. (Steel--Itlectric properties) (Rolling (Metalwork)) PHTREHKO, A.G.;DIYACHUN, I.I. Changes in the chemical composition and pr*rties of Pomorskaya makhorka during fermentation. Isy. vys. ucheb. sav.; pishch. takh. no. 2:54-58 158. (MIRA 11!10) 1. Veesoyusnyy nauc%wo-itisledovatel'skiy institut tabaks i m9khorki imeni A.I.Mikoyans. Oobacco curing) TETM, D.A., lnzh.; PETRMO, A.G., inSh.; EMOVA, L.A., tnzh. Ptotection against carbon loss during the annealing of rapid steel. Metalloved.1 term. Or. met. no. 5:19-23 Vv 160. (MIRA 13.012) 1. TSentrallnyy nauchno-iteledovatel'skly institut chernoy metallurgii. (Annealing of metals) (Protective atmospheres) BUSEV, A.I.; PETRENKO, A.G.; BYEROVSKAYA, I.A. Use of xylond orange In the trilonometric determination of aluminum. Zav.lab. 211 no.6:659-661 161. (KERA iL:6) 1. Moskovskiyy gosudarstvennyy universitet ineni M.Lawmcsova. (Aluminta-Analysis) -,PETRENKO, A.G. Feview of the book by B.S. Khristoforov, E.D. Glotko "Mineral phase analysis of the pmducts of the load industry." Zhur. anal. khim. 18 no.lls14015-1-406 N 163. (MIRA 17:1) PET.-tEiiVi" A. (~. Tcl,-. cce jn,-,~, Tl~ r-,- Characteriotico Krasnc,dar Tcrrlt n List -~f -)f ngres:., -~c I A t, 'A Y7 f a 'Y'f Z) -T~JAt:w V v 'V'Y J., 11 IV uc .lid lr,y -V v .j-0 -lz ~.WICVJ2 'A.v...VrIjj ~,I: w 3,0,1 V.u I I., w oil I-IT11--l U- -M!-0 ~j -J A W Ze ;..D._4joj reT ajo .1. C.11i _d 2,(.A pug *Q~Wvw .~jc"j.o j..j. 'jo,is jo s.Tzjdojd V~ ~A --al. UO I.-;r"I -VD~4 rue -1,41yrv PUJACOIrv j0 %D4JIS stil -T-TOL'u4-11~22~MTJ ;o -4TQWd .43 'r 'TT 1JI-11rul Tvlv~ds 01 qd ad tv wi.d. WIML INDMAOD 0.4.1 ul 1~" d Q:z _4 r,-v J-J P-ru4luT 91 IqQOq GTQZ I ISUkLn4 -J 'VAvZXW"TW *A*A ;'PZ 'W244 -.-H %~jq%Tjqnj jo -V2 P~ Acj lerarw WI-.0V 142-gulox U^~~-d 'u.-.Cjvr,.v~ .9 Aa vi~ , t:i,. 'Ctm&~i _tjDvj -I~zj2quj ;6ajvup?V *u7joiruodb sold-i) o-,)*t *P-1-ovul djT9 0,4vjjl -c.1 :tI IJ-O.d'd G':Ir '-6T TTW2ff &IUU.rVj6..dC J-.4j njIV4~ -:",u rsU.-ejj,sQv.L ..O-.Cw KHRISTOFOROV, B.S.; KW.RATIYEV$, V.14., kand. khim. naukp retsenzent; 1-USHCa1*'KC, M.A., -retsenzent; MERXILATOVA, 14.1., retsenzent; NOVIK, I.V., r-Dtsenzent; FETREUKO, A.G., retsenzent; VIARIYEVA, N.D., retsenzent; MIN, I.S.0 retsenzent; BUSEV, A.I., prof., otv. red.; KIUVCIMIKO, L.S., red. [Selective 9oIv*wWr"TC--iirernI'-pMae ft-alysis) Izbiratell- nye rastvoriteli v veshchastvennom analize. Novosibirskp .,,ed.-izd. otdel Sibirskogc otd-niia M SSSR, 196/.. 95 P. (1,1111A 17:12) 1. Moskovskiy gosudarstverinyy universitet (for Busev). 'PIE r F) C IV 6 (~ P, 4 - PETMNKO. A.I.. 10'14W*63111~w A timely topic. Zhivotnovodstvo 19 no.11:8" IN '57. (MIRA 10:12) 1. Glavnyy zootekhnIk lalinDvakoy maBhinno-traktornoy stantall, Chernovitakoy oblasti. (Stock and stockbreeding) FLTRE21KO , A.I. sovetnik yustitsii MDre attention to maintaining agr4--,ultural machiner7. Y-erl-h.sill. josp. 13 no.12:22-11 T) W. (MM 1612) (Ukraine--Agricultura.1 machinery-Maintenanne and repair) ACCEMON NR: AP40244BI SM142/64/007/001/0003/0011 AUZHOR: Petrwkos A. 1. TTTLE: Cathoide ray canwrters fcv functicna of two variables SOURM: I=. ve 7, ncw-u is%, 3-n TOPIC TAGS: converter, function ccinverter, tw variable converter, cathod ray converter, functional generator, analq; conversiong, digital conversionj variable density maskv funatianal wask ABSTRAM Several versiam of cathod-jay functicnal gmeratom of two independent ,variables are desmibed,, intended for toe in cousputem, gimaatcm - and physicaL I everiments. In all the devices a furm-.ticn of two variables is aiinately repre- sented as either a sequence of functiceis of a single variable. The sequgwe can be continuous (analog method) or 4iw~e (digital method). As applied to a cathode ray amverterp the aulps wdW euploys a auk of variable optical thic)awss betwum the screm of the cathode ray tube and a yiotosensitive element p and the douity of the nask vories fim point to point in acowdwm with the valuss of the ftowtim of two variables. in the discrift M d the ;C" AMEMICH NR: mvvon- fuwticn Is zop - MAW by curvm, each a'% AS a SWticn ftmO the two- varlable wirfam at a flmd %ulm of am) otbw vat"quith linew hftwpo2a- ticn betwm the disamto vabim of tm fawtica. - rh sU the H m 1 9 the nain diffimlty liw Is Sh ew it I - d! the fuwtlcnal auk whieb kroolvos a gmt deal of palinkmy ftticne Orls. at. bms 7 ill;rft WA a farm"S. Nme. Mww=.- 0600M. D= ACQo: 2SApM DIM"- 02 SUB CME: Mp SD MR W SCV: 008-, ON cwd CHERNERKO, V.I.; KOSTENKO, B.N.; LEVITI-N, Zh.N.; PETIRENKOY A.I. Study of the process of copper refining. Zhur. prikl. khim. 36 no.11:2491-2498 N '63. (~U~A 17: 1) ABAKUMOV, V.G.; PETRENKO, A.I., kand. tekhn. nauk; DENBNOVETSKIY, S.V. Functional graph co,nverter with a vidleon. Av-1.1cm. 1 PrIb. no.4:47-51 O-D 163. (MIRA 16:12) 1. Kiyevskiy politekhnichesIdy institut. PETT,:,:?,'Y,O, A. I. "Perspective Conical Coordinates and Projectionst' Isv. AN Relorusskoy SSF, 11o 11, 195'3, PP V.5-160 General fon-mlas of perspective co-iii- coordinates and ~-)rojections are derived. It is shcnyn that Derspective cylind:rical and perspertive coordinates are particular cases of the reneral fommlas. For cartoi-mpliic network, for- milas for rect-an-ular coordinates o.~ conic proJections are e~tablishcd. (RZhAst,r, No 11, 195h) SO: W-311,97, 8 Mar 55 A 1;,., -- 7 0 R T~!_~: C , _11 41-1-7/19 Ini -rrrota~- ion c f the "oord-nates an~, 'ro 4 2- ons j ei cator and ;oldnei on a Sphere as Perspective-conic Coordinates and Projections fIntcrpretatsiya koordinat i ,7 rWektsiy ; aus sa , " e r ka t r) ra io I ; d n e rr r n s ~ia re I-al~ , r~ r F; pf' ~- t i vn o - 1, o n i - chesl-il:h ',:oor~'Linat I)r(yektsiy) PERIODICAL; TJI ~ ra i n s) - iy ' ;-i t e ma t i o 1) e s 1: iy -, hu rn-, I , 1 ~ 5 ~- ,o 1 1 C1 , D -~ 7 3 - 9 2 (I. S-) A:: ZIA C T At the chair of geodesy of the lericultiiraal Institute 'I'harkov there were (leveloped the rel--tive porspective-conic coordi- nates for maps -.-.,ith hijh scale (see: Potrenho, 711-rains'-Ai `:a- teraticheskii Zhurnal,1955,7701-7,-r 2, F 8). 'k'heir principal property io that ths, lie on the surf:ice of the proj,~ctin~, cone and are determined b-.1 the spherical coordinates on the surfr~' cc of the carth. in the rresent prper the author proves that V-e coorcinates of ";iuss, :.crl,ator and ',oldner can be into:-nr,ted !s special cases of t~esc coordinates. AVAILABLEt Library of ~onjress 'ard 1/1 1, Cartography 2. Mathemtics-Theoz7 PWIrRF0KO,A. 1. Perspective-conical coordinatps P-nd projections in routing. Ukr. mat zhur-7 no.2:142-159 (MIRA 8:11) (Map-projection) S/035/62/000/005/077/098 A055/A 10 1 ;.',`77'~~RS: Petrenko, A. I., Yurchenko, A. M. --T'L---: On the essence of tacheometry ?7--R'0D1C.--: ReferativnTj zhurnal, Asixonomiya I Geodeziya, no. 5, 1962, !6, abstract 5G97 ("Tr. Khar"kovsk. s-kh. in-ta", 1961, 31, (68), 87 -94) TE"'7: 7ne various fields of application of tacheometrical surveying are exa--.ined. It is pointed out, In part'.cular, that tacheometrical surveying can be used successfully for dra-viing up p:.anning projects concerning the kolkhoz ar.4 sovkhoz economic centers and for determining drainage areas in the construc- An accurate tachoometrical formula is deduced, r-oirs and ponds. .cn of rese.% E-tnd the orzier of the observations in main tacheometrical traverses and in determnining picket points is described. T"he requirements set on tacheometrilca" surveyor's poles are specified. ,,bstracter's note: Complete translal;ion] Card I./I L 38799-66 Ew(l) GD ACC NRt AT6508570 SOURCE CODE: UR/0000/65/000/000/0200/0203 AUTHOR: Budnyak, A. A.; Petrenko, A. I. ORG: none TITLE: Methods of describing functions of two variables in cathode-ray tube machines SOURCE: AN SSSR. Institut nauchnoy inforinatsii. Chitayushchiye ustroystva (Reading devices). Moscow, VINITI, 1965, 200-203 TOPIC TAGS: function generator, cathode ray tube, digital computer, analog ccxnputer ABSTRACT: A description is given of A. Sinker's analog function generator (Electron- ics, 1956, 29, No. 10, 178), a major defect of which is the impossibility of obtaining, the value of a function in the basence of an initial conditions input. A method is de- scribed which avoids this weakness and do,ubles the speed of operation of Sinker's ma- chine. In the given system, a function is represented in binary code on a photo-opti- cal mask. A further advantage of the system described Is that inputs and outputs are universal (analog end digital). In addition, coordinates may be changed arbitrarily. Orig. art. has: 5 figures. SUB CODE: 09/ SUBM DATE: 09Sep65/ OTH REF: 004 S:: al P -i ine prpobrLzc--~a YELI&EYEV, V4K.; PEM"NIHO, A.I. Geometrical and ligh ting-erg _4 nee ring c-5 of , -- electric converters, Izv.vys.ac"-eb.zav.; prib. 7 no.6:77-P,-, 164. (MI'tA "B'2) 1. 'KIyevf3kiy institut. Rokomendevana kafpd:.c)y promyst"10311110Y PETRENKO, A.I.; YELISEYEV, VA. Classification of & device electrical sigrmlv.,;-' Izv. 385-387 My-Jer-164. fo:- converting graphical date into vys. ucheb. zav.; radiotakh. 7 no. 3- (WRA 17:9) Pf.TRENKC) , A . 'I . F I t-~ 1% -- r . 1~~ im o,. nv~, r tir, r;:" , Y, r- f i, r, -: rA -)n n r, f van ; ;-~ r ~ t tj, , *; , Iz,,,. vis, usN43. zav., r;jd,,~tckh. 7 ric-,.1;3-11 Jfl-~ '04, ( V -, ?! I I 1~1 ; -1, " 9(2) .,,-'V /14 2-2-1 -1 G,~'22 TITLE: Composite ~Fithode Followere povtoriteli) PERIODICAL: IZVeStiya VySshikh uchebnykh zavedeniy - rad~ot.ekh- nika, 1959, Vol. 2, Nr 1, pp (USSR) A.BSTRACT: Cat,-.(-.-1-e-loa!-! -,p in 1, fo,,oil - %,,,ide-spre,,tr.3 alqlic,-,tion in ir ~e7t'--eS. lfitgh in,--it ~:-taqce-- (11) ~-,t -)utv-~At and a fr(-,.,-: --t-ro to !-orne mega- cyclep) re-,u~re the applicit`oti n1' ~:,,-,thode-loaded FtP6-ep, The circuit, shown in fi;--ire 1, is not i'leal ? P i tic e it P transmispion f -Ac ~ or i s qmFil Ie r that, 1 9) Therefore, the -outhors invppti--a~e U two inulti-tube, cathode-loaded amplifier circuits, shown in fi:,ur(,q 2 and 6, having, an amplification lactor cloF~e to 1. They C'Xpl,~irl L mr~thod lor cal- , culatinr- r-uch circuits for high input (lo ohms! Card 112 and low output (several teriths of an ohm) reript- Composite atlinde S")V,Ill 2-~- I -I'D '122 B ri(1(18 n t I, eqe, amr) It fi ~-r tv; r~ r, 6N2r, 6111P, ai-A 6N3P. There nre 0 oircuit dMj,1'T1fl9!7, I trible anl P. referenceq, 5 of .vhi(~h are Enrlirh and ~ Soviet. AbbOCIATION: Kafelr-i elektronnykh i ionny1:1- -,)rit-,rov oriolia Lunina I)olitehlinichogkogo ii,--,tituta (Chl:ilr of Electronic and Ionic Dcvi,.c,r, ~tt. '11(- KiyevOrder of Lenin Polyte~-I-.nicai Inf~titut-' T SUBT,1IT'=: 7 Card 2,12 DENBNOVETSEYJY, S.V.; ABAKUMOV, V.C.; PDTRENKO, A.I. na-ie~e for oonverting single Wallses to periodic enes. ucheb.zav.; radiotekh. 7 rio.6:739-742 N-D 164. (m-rRA 1814) -9't 16.6 goo AUTROR: LOC-1 Le In --1- 0 7 TITLE,: DiffurontiatiiA-r aii~~ L1j,2 V 1 C t.ive __~codba,7 P 3 I-I 10 D IC A L : , v e siy a v~ ic: I . L - Vol LB S "R A. j T The authoi~ dovices 1) ~"'Scd ill 110G cc'12-'U'=::. 1)a_-_""' 0:' L~11 i,_4~'ua-) cil-cuiL he su-rc'~;ts of ain~~'!'-"':~irl" -4-1, y u u c u 1 at 1 .7-IG c h di, feedback 7i tt'-e Tol', e C 3c t t , -Il- Irl L! TI.o a~_z'ulior slicllvz, 111',ic, of eIi_I!:, i nf I U C11 C C 01" 'u h,2 f'i Cl 1 t e 4 dC6 daricc of t';ie ~'L ce c,n U" matl-cmai~icai Qa-.d 1/2 vi i 11 pe r f o r,, .. I,,, ,- _- c1 0::16. u I ci P;,, 1 1): 0 7LIL9 DifferentiatirZ and Intc,-.,ratinj~ the required accuracy difficulties. The Cion of t,.-'s recommended by the !)'afodi-a priborov (Dcpar~ment Of and 1~)iiic J~ of the Kiyevsx%-iy ordena Lenin-a tut (Ki-iev - Cruor of D~nin PDLyte~!-`-~nic,-,,l There are 6 circuit :;et:- of ~iL 71 [;rams and 11 refercncec, of Zn-lish, and ) C,;2n-.;wn. SUE=TTED: Octobc:L- 'j Uard 212 PETRMIKO. k.I.,inzh. (London) Third International Instruments, Electronics, and -m-utomation Zxhibition. Izv. vyB. uchi.-),. sav.; radiotekh. 3 no.4-.524-529 il-Ag 160. (MIRA 13:10) (London-Rxhibitions) (Electronic apparatus and apuliances- TbEhibitions) --PETIOIKOO A.I. , inzh. (g.London) Third International Conference of Electronica in Medicine. Izv. vys. uoheb. zav.1 radiotbkh. 4 no.1:122-123 Ja-F 161. (IMDICAL =CqLUj,-1GS-GO1'GrmFs) (14IRA 14:4) S/142/61/004/003/001/016 E14O/E435 AUTHORS: Petrenko Svechnikovt S~V. TITLE: Basic directions in -t~he de-velcpment of reading machines PERIODICAL: Izvestiya vysshykh u~:hebnykh za-,radaniy, Radiotekhnika, 1961, Vol.4, No-3. pj)~239-253 TEXT: The article constitutes an extensive sur-,rey of Western literature on character recognition mazhines, The authors, main attention is given to English language sourzes, Two particular machines are discussed in detail, ERA (Solartron Electronic Reading Automaton) and FRED (magneti:-'Ln_- character reader of EMI Electronics Limited). The authors ;lassify reading machines in three categories: 1. the use of mask-matching techniques; 2. the use of coded markers; 3. the detection of the semantic characteristics defining the character, It is stated that a great quantity of work is being c~arried on in this field in the USSR under the leadership of Corraspondfng Member of the Academy of Sciences A.A.Kharkevich. Eart~:.~ known to the Soviet reader V/ (Ref.l: Radiotekhnika, 1959', 1-4-, No.5, 12~ Ref.2: Radiotekhnika, Card 1/2 S/142/61/004/003/001/016 Basic directions in E140/E435 196o, 15, No.2,3). Two further Soviet referen;es which appear to concern concrete developments (Ref-53,,. Kovale-iskiy, V.A. Semenovskiy A.G., Avtomatika i priborostroyeniye, Kiye-.,, 1960, No.1, Ref.55: Saplin M.S., Elektronnyye vy~--hislit6llnyye mashiny, Mashgiz, 1960, 1) are not discussed In zhe artisle. V.S.Fay-n is mentioned for his contribution in the field. There are 7 figures and 55 references: 5 So-ziet and 50 non-SGViet. The four most recent English language references are as falizws.' Young D.A., Electronic Engineering, 1960, 32. January; Wada H., Takahashi S., Iijima T., Imo,:o K., UNESCO (NS) ICIP June, 196o, No.6; The FRED Character Reader and AssoLlated Eq,.~-'pment for Banking, EMI Electronics, 1960; Direct Reading for Data Processing, Ele,:*-ronic Engineering, 1960, February, 95. ASSOCIATION! Kafedra promyshlennoy elektronik, Kiyevskogo orciena Lenina politekhnicheakogo instituta (Department of Industrial Electronics, Kiyev Order Lenin Polytechnical 1nstitute) SUBMITTED: November 4, 1960 Card 2/2 2 2 2911 S/142/"1/004/004/015/018 q, E192/E382 AUTHORS- Petrenko ___j A,1 and Yermak V,V TITLE~ A generator of electrical Pulses of an arbitrary shape PERIODICAL. Izvestiya vysshikla uchebnykh zavedeniy, Radiotekhnika, v 4 no. It. 1961, 491 - 494 TEXT.,-, The device described is based on an electron-optical s ervo system (Ref. 4 - Korn, G and Korn. T. , Electronic analogue devices, Izd-vo in lit-rY, 1955, Ref, 5 - N.A Hambey Electronic Engng,, February, 1958, 9.1). The generator is illustrated in the block schematic of Fig,. I A non-transparent mask or screen 2 . made of plastic, is placed in kont of the screen of an electrostatically controlled cathodes ray tube; one edge (or profile) of the mask has the shape of the required non-linear functlon or pulse. A photomultipler 3 is situated at a certain distance from the mask; the photo- multiplier is coupled through the amphfier 4 with the vertical deflecting plates of the cathode-ray tuber The amphfier also receives a biasing voltage V 0 ' which is used for setting the Card 1/i 3~994 s/i It 2/61/oolt/oott/015/018 A generator of E192/E382 initial position of the ray. The horizontal deflection plates of the tube receive a time-base voltage V x through the amplifier 5 . The closed-loop system consisting of the screen photomultipler, amplifier, vertical deflection plates of the tube and the screen forms an electron-optical servo system The operation of the generator is as follows When the photo- multiplier is switched off (open-loop systein) the position of the spot on the screen of the tube is set by means of the voltage V When the photomultiplier is conne