SCIENTIFIC ABSTRACT LEYZEROVA, M. M. - LEZANSKI, T.

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December 31, 1967
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SCIENTIFIC ABSTRACT
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SOV/130-58-9~a/23 1 ImproveLaent of the Melting Technology Of Resistance loys in Electric Furnaces (Table 2). For the chromal alloy, the old procedure in- volved melting a fresh charge in 20-ton basic electric furnaces with an oxygen boil, alloying by adding low- carbon ferrochromium and primary lump aluminium, during the refining period and add-ing alumin-ium-calcium and aluminium-barium alloys and cerium before tapping. The new method is based on: melting 1 500 kg carbon-containing scrap with 1620 kg type 45 steel scrap in a 5-ton furnace at full power with an ore boil and addition of chromium- aluminium alloy during refiningi preliminary deoxidation of the bath with lump aluminiuni; the addition of metallic titanium (10 kg) or the corresponding amount of titanium containing scraP 5 min. before tapping; !;he use of carbon tetrachloride to protect the alloy from oxidation 1 0 during bottom-pouring (tapping temperature 1 580 - 1 620 C). Comparative data (Table 3) show the advantages of Ujo new method. I There are 1 figure and 3 tables. card 3/4 SOV/130-558-9-5/25 Improvement of the Melting Technology of Resistance Alloys in Electric Furnaces ASSOCIATION: Zavod "Elektrostall" 1m. I.F. Tevosyana. ("Blektrostall" Works imeni I.F. Tevosyan) Uard 4/4 1. Corrosion resistant alloys--Production 2. Industrial production--USSR 3. Electric furnaces--Applications 137-1958-3-5049 Translation from: Referativnyy zhurnal, Metallurgiya, 1958, Nr 3, p 84 (USSR) A~THORS: Leyzerova, M. M., Naysh, B. N. TITLY-: Electric Heating of Valve Stock Replaces Heating in Flame Furnaces (Elektronagrev zagotovok klapanov vzamen nagreva v plamennykh pechakh) PERIODICAL: Tekhnol. transp. mashinostroyeniya,1957, Nr 8, pp 19-23 ABSTRACT: A description of a process in which valve stock, made of Kh9SZ steel, is heated by inductive methods in a standard KIN-20 forge heater. The flame-heated forgings have a medium-acicular martensite structure with an Rc of 52-55, whereas induction- heated forgings have a fine-acicular martensite structure with an RC of 56-58. The introduction of the induction-heating method produced a 25 percent increase in the production, increased the durability of the dies by 17 percent, effected a 5 percent saving of metal, and reduced the total cost of heating the stotk by 31 percent. Experiments were carried out in which the heating of stock for tempering purposes was combined with heating oper- ations intended to prepare the metal for die forging. The mechani- Card 1/2 cal'properties of metal treated in this fashion are comparable to 137-1958-3-5049 ng of Valve Stock Replaces Heating in Flarne Furnaces hose of metal treated in the standard manner, whereas the Arength characteristics are even somewhat higher. Sorbitic ;tructure is observed inboth cases. In the future separate ieating operations for tempering may be eliminated. L G. SOV/1 37- 59-3 -6887 rranslation from: Referativnyyzhurnal. Metallurgiya, 1959, Nr 3, P 281 (USSR) AUTHORS: Naysh, B. N., Leyzerova, M. M. TITLE: HF Induction Heating Replaces Flame Furnac;~s in the Manufacture of Valve Stampings (Perevod shtampovki klapanpv s nagreva v plaLmen- nykh pechakh na elektronagrev) I PERIODICAL: ' V sb.: Chelyabinsk. kuznetsy v bor'be za tekhn. progress. Chelyabinsk, 1958, pp 57-73 ABSTRACT: The introduction of an HF induction heating (HJ installation at the plant made it possible to- a) Obtain a homageqeous structure of the blanks; b) perform H without scaling, which ihcreased the durability of the dies and resulted in a monthly economy ~f ~ 1700 kg of metal; c) increase the hardness of the valve afte-.r sta~rnping in conjunction with HF-induction H, thus eliminating an additional operation of heat- ing prior to quenching. Ye.L. Card 1/1 SOV/137-59-5-11413 Translation from: Referativnyy zhurnal, Metallurgiya, 1959, Nr 5, p 276 (USSR) AUTHOR3 Leyzerova, M.M. - __ d TITLE: -Ifi-e-Development in the Use of Induction Heating I PERIODICAL: Tekhn.-ekon. byul. Sovnarkhoz. Chelyab. ekon. adm. r-na, 1_9_58.. Nr 7, PP 51 - 52 ABSTRACT: Information is given on the extended use of induction heatirg at the Chelyabinsk gractor Plant. Induction heating is used for high-frequenoyjourrent queneff hardening (:Instead of oar- burizing) of ~~Ibteel aMShaft" . Methods were developed for two-side high-frequency,~=nt quench hardening of track link tee bushings made of "65 G" teel. Original Inductor designs were developed for quench hardening parts of complicated configuration. Power frequency currents are used in induotirn heating for forging Card 1/2 and stamping blanks of 150 mm in diameter. For blanks of The Development, in the Use of Induction Heating SOV/137-59-5-11413 40 - 50 MM in diameter 2,500 cycles were seleted as optimum c~prent frequcrr,-r, A method was Introduced consisting in the centrifugal castinelof bimetallic bushings with high frequency current heating. This produces an even bronze layer of 0.25 5.0 mm and more. The enumerated methods are economically effective. V.R. Card 2/2 CHERNETSKIY, N.S., kand. te'khn. nauk; PEMMYAN, R.A.; LEYZEROVION inzh.; VOLKOV, I.I. Determination of tee~mical and economic indices of the operation of a 200 Mw. block using a control comFuter. Teploonerg6tika 11 no.7:20-24 JI, 164. (MIRA 17:8) 1. Vses(rjuznyy teplotekhnicheskly institut .. QVICH,J.j5h., inzh.; TRUBILOV, M,A., kand.takhn.nauk; PROKHOROV, S.A., IEYZW inzho; KULICHIKHIN, V,V, Budkling of ateam turbine housings due to thermal stresses. Toplonargistika 32 no.1007-62 0 065. (MIRA MIO) 1. 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Mamh 31, jor, blo"n with catbonacc," I dr and fine qujkru mnd ii cof 1y WArbon reducing ogtin,louWy fed into thq tht$Jafft)einsdiwhawAfm,hei,,Ue. roe A 0 0 .00 t:oe f -,46 ,so I CLASSIFICATION 11 LOS J41.10 '1A v j- li- _g, 13 ii- 3 I L g OW a I 1 IT III 0 41 9 0 0 * 0 0 0 0 0 0 0 9 0 0 0 0 0 2 0 0 0 0 0 0 0, 00 0 'Or 0 '04 0 * 0 0 q 0 0 *** 0 9 IMMOVICH, G.Ya,., kand.tekhn.nauk. Principles of roasting in a fluidized bed. TSvet.met. 27 no.6:72-78 N-D 054. (MIRA 10:10) (Or@ dressing) (Fluidization) ic L;, t4- OVICH, G.Ta.; BABINA, I.V.; SEREBRMIKOVA, E.Ta. Roasting copper concentrates in a fluidized bed. TSvet.met. 28 no.6:12-15 N-'D '55. (MIRA 10:11) 1. Gintavetmet. (C'opp9r--Mpts.l1urC7) (Fluidization) , - -6, Z'~~ ~Z, ZW,-ci,~j loi, 1, -(~,( IZYZICROVICH, G.Ya., kand.takhn.nauk. Furnaces and reactors based on roasting in a fluidized bed. TSvet.met. 28 no.2:71-77 Mr-Ap 155. (MIRA 10!10) (Purnaces, Heat-treating) (Fluidization) MMEROVICH, G.Ya. Cold agglomrstion of concentrates. TSvet.mt. 28 no.5:35-42 3-0 155- (MIRA 10:10) lAintevetuito (Or* drossing) LEMOFLOVI& ~G-Y . kandidat tekhnicheskikh nauk; SMEMINIKOVA, E.Ya.. ener. ener. Roasting pyrites in boiling media. Bum.prom. 30 no.12:9-13 D 155. (MLHA 9:3) 1. Gosudaretvannyy nauchno-iseledovatel'skiy institut tsvetnykh metallov. (pyrites) 137-5i!-4-6,135 Translation from: Referativnyy zhurnal, fvletallurgiya, 1958, Nr 4, p 14 (USSR) AUTHOR: TITLE: Results of Large-scale Laboratory Investigations by Gintsvetmet of the Roasting of Various Materials Encountered in the Non- ferrous Metals Industry: Copper, Iron, Nickel, Col)alt and Lead Sulfides (Resul'taty issledovaniy Gintsvetmeta %, ~ . .. . laboratornom masshtabe po obzhigu razlichnykh inaterialov tsvetnoy metallurgii: sullfidov medi, zheleza, nikelya, kobal'ta i svintsa) It PERIODICAL: Tr. Tekhn.sgveshchaniya.po obzhigu materialov v kipyash- chern sloye. Moscow, Metallurgizdat, 1956, pp 57-71 ABSTkACT: The investigations of the roasting processes of all these ma- terials were conducted in a small continuous roasting furnace under identical methods of control and temperature adjustment. Relative to the roasting of Cu concentrates '-it- is established that they can be processed in the pr .~esenceof a high Zn content, wherein 95 percent of the ZnSundergoes oxidation. The per- centage of S02 in the roasting gases attains 14-16 percent. In Card 1/2 roasting pyrite tailings (27 per-cent S) from Pb-Zn ore concen- T", 4~~ J: 137-58-4-6435 Results of Large- scale Laboratory investigations (cont. ) tration, it was established that the process proceeds without any complic:itions whatever, and the resultant gas has 'a high SOZ content (10-14 percent). Ex- periments in FluoSolid roasting in converter matte (75.37 percent Ni and 20-0 percent S, size: 2" percent-2-00 mesh) revealed an increase in the viscosity of the FluoSolid layer and the sintering of the pyrite cinders within 3-3.5 hour., .Ohe S content of the pyrite cinders fluctuated between 2.65 and 10 percent The SO? contert of the gases was appx. 5 percent. The experimentk~'estaib- lished that suAfating FluoSol~d roasting of rich Pb concentrates, with attain- ment of 67.5 percent ~iulfating, is possible. Roasting of Go concentrate of the following percent composition: Cc 0.56, Ni O.IZ, Fe 36.0, and 38.5, was con- ducted with the object of transfarming the Go into a water-soluble sulfate for subsequent ~aqueous leachl-h'*. The experiments showed the best results in the leaching of Go (better by 10/15 percent) and in the unit productivity per hearth area (>29 times 1490 kg instead of'51 kg). A, P, 1. Minerals--Roasting processes Ca)d 2/2 ,- I , - - I - II t II .- 41 . '1 -f. -5, ::71 . . . . . . . . . . . . . . . . -AV 136-9-4/14 AUTHORS: Leyzerovich, G. Ya., Lonskiy, I. S. end Charnyy, V. Z. TITLE: Sulphatizin-S -Roast of sulphides of non-ferrous =etals in a fluidized bed. (Bullfatiziruyushchiy obzhi- sullfidov tsvetnykh metallov v kipyashch(-m sloye~- PERIODICAL: Tsvetnyye Metally, 1957, No.9, pp. 19-25 (USSR). ABSTRACT: The authors discuss work on fluidized bed sulphatizing roastinG of sulphide. minerals in various countries. They give details of investigations by the Gintsvetmet organization. They show the apparatus used (Figs. 2 and 3) and give results obtained with copper (34% Cu, 15.1% S, 7.23% Fe, 3.73% A12030 0.69% MgO 1.54% CaO, 2 09% Zn 2.3c 23.060% SiO 0 6 Nn Au and I % Pbl U 160 g/ton AG and copper-zin.c mg?'% c4u,"*9.4% Zn, 24.4~67 Fe and 38.33% 8 concentrates. High degrees of sulphatization of copper and zinc in both these materials were obtained by fluidized-bed roasting, in agreement with experimental and full-scale work abroad. The enlarged laboratory-scale apparatus developed was found to be suitable for studyin6 the process for various materials and on the basis of zhe resulte obtained the authors recoinuend the wide use Of fluidized bed roasting, in Soviet industry. Card 1/1 There are 7 fiGures and 11 references, all of which are Russian. ASSOCIATION; Gintsvetmet. 1. Sulphides4dnerale 2. Instrumentation 3, Heat-Proce3ses AINK UW, B.D.; ALkVPRDOV, A.I.-. BK,,I14, I.D.; BIDNEV. A.I.; BUMVOY. I.A.: GUSOV, L.V.; IVAIUV, V.I.; KAYDAK, A.M.; IZTZMOVTCE -% Ta.; RUPPULI, V.K.; SY-MRTAMNIKOV, B.Ta.; S1UffNGAFWZr--O'!w.;-- Roasting zinc concentrate in a gas fired bbiling fuel bad. Prom. snarg. 13 no.8:19-20 Ag 158. MR& 111.10) (Zinc--~%tallura) AZOS, S.; AR IYEV, A.; ARTAMOKOV, I.; RABINk, I.; B3F3XWSKITI V,; BLOZHKO,V.; BR&V3MM, A.; BYXHOVSKIT, Yu.; VINOGRADOVA9 K.; GATANK K&# ye-'. GIL'UMZRSH, Y.; GLCEA, To; GRKrM, K.-, GGHUX, G.; GULIDIX, I.; GULTAYWA# Te.; GUSHCHIU, I.; I)AV"YDOVWAYAI, To.; DAMSXAUq Go; DIRICAMMv D.; TBYDOKD(OVA, A.; YMUNOV, V.; 7ABUYSHINSKIY, L; ZAYDA03W, B.; AZM0SMkOV, I.; ITKINA. S.; KARGMCVSKIT, V.; KWSHIN# Do; KUVINOV, Ye.; KMNRTSOTA, G.-, KURSHAWV, I.; LUXUUO M.-, IJITMOVIGH, Go-, LISOVSKIY, Do-, LOSMOV. F.-, KALHVSKIT, Tu.; AMLUWMSKIT, I.; MAYANTS, A.; MIT-1-7R. l.; MITROYANOV, S.; HIMTAYIDV, A.; XYAKINENKOV, 1,; NIXITIMA, I.; NOTINj R.; OGNIIV, Do; OLIKHOT, No; OSIPOYA, T.,- OSTRONOT, M.-, PAKHOKOVA, Go; . , So; PLAKSIN, I.; PLETMWA, N.; POPOV. V.: MMS. Tu.; PROKOFITAVA. Ye.; FUCHKOV, S.-, HSIZOVA. F.; RUKUNTSIV.M.; SLKMOT, I.; SOBOLI, S.; SPIVAKOV. Ya.-, STRIGIN, I.; SPIRIDONOTA,V.; TINKO. Ta.; TITOY, S.; TROITSKIY, A.; TCL0K0NNIK0V,.K.t TROYIKCVA, A.; FJMOVg V,;- CHIZHIKOVI Do; SMI(o Ya.; YUKETANOV, D" Roman Iazarevich Valler; an obituaxy. Met. met. 31 no.5:78-79 YT '58. (xiBA 11:6) (Veller, Romn lazarevich, 1697-1958) LWZEROVICH, G~~riy Yakovle,wich; BABINA, IrIna Vladimirovna; J,A-,01,-A,,-'k~iFtk~'Takovlevna; CHUKAKp Z.Y., inzh., reteensent; POPOV, N.A., insh., reteenzent; TSETLII, T.M., red.1 KISHARINA., K.D., red.izd-val ISLINTOYEVA, P.G., tekhn.red. (Itoasting zind concentrates in a-fluidized bad] Obehig ~slnkovykh konteentratoy Y kipiashchem sloe. Pod red. 1eizerovicha. Moskva. Gos.nsuchno-tekhn.izd-vo lit-ry po chernoi i tovetnoi metallurgii, 1959. 222 p. (KIRA 12:8) (Zinc--Metallurgy) W~ZEROVICIIV G. Ya.; ORIOVOV, A.A. Preparation of uniform dry granules from moist concentrates. Sbor. nauch. trud. GINTSVERIET no.15:310-318 159. (YIMA 34:4) (Sintering) a~ MIKRAYLOVY V.K.; IEYZEROVICH G. Ya .Volati3izatio~ of mercury in a fluidized bad. Sbor. nauch. trud. GINTSVETMET no.15:341-351 159'- (MIRA 14:4) (Mercury-MXllurgy) (Fluidization) a S/137/62/000/001/026/237 Ao6o/Aloi AUTHOR9i Leyzerovich, G. Ya., Lonskiy, I. S. TT=-- SulfatioaL-roasting-of pyrite-cobalt-ooncentrate PERIODICAL- ReferativrWy zhurnal, Metallurgiya, no. 1, 1962, 12, abstract.lG92. ("Sb.- tr..Gos. n.-i.-in-t tsvetn.,met.% 1959, no. 15, 352-359) TEXI!: By means of experiments carried out on an enlarged laboratory installation, relating to-the- sulfation roasting,'-in,a,fluidized bed of a-pyrite- d6balt concentrate.; consisting of 70 - 75% pyrite and?pyrrhotina, and nozitaLining 0. 6 - 0.~-9% - Co. sulfide, 1. 3 - 2. 1% chaloopyrite, , and I., I .- - 1.~5% petlandite,', the optimwl schedule for the process was7established-,,:'temperature 600+ .10"CV I... linear velocity of air 10 cm/sec, -air-excess over the calculat1d!quantity-80%; furnade pro&uativity~with-reapect to the-concentrate 3.9 tons m -24 hours,;--.' 302.oontent-in rbasting.gases 7.35%.by-volUme; helght;offluldized'bed-l.-5 m. Roasting'In the fluidized bed makes it;possiblelto*dimsolve 86j7% Co with the use of aqueous lixiviation,-. this-is,40% greater thanIn roasting in VItt- - hearth fumacesi-atia higher productivity (by a factor'of 7 - 8). The'elimina- t!on of a major portion of 01, Zn, and S together with the Cc from the-cinder Card 1/2 S/137/62/000/0DI/026/237 Sv1fdtio'w~roa.st1ng!.of pyrite,cobalt concentrate Ao6o/Aioi makes iti-~possible-"-toutilizerthd~romainder:for,blast-fui-iiace-smelting The, -S02 - oonatntr.ationi:in.the,*~roasting gisestmakes-possibletheir utilization In- H2S04 produdtion. B. Zastenker [Abstracter's note: Complete translation] Card 2/2 SRVARTSKAN. Yakov Haumovi chL LED2aQUGH kand.tekhn.nauk, G. Ya. # retsenzeit; BABINA, I.V., inzh.. reteenzent; NEYMAN, M.N., Inzh., retsenzent; KUZENTSOV, N.H., inzh., red.; MISHARIVA, K.D.', red.iz'd;:*a; KAR~, A.I., takhn.red. [Fluid bad roasting of zinc concentrates] Ob2hig tainkovykh kontsentratov v kipiashchem sloe; uchabnoe posobie dlia pod- gotovki i povyahaniia kialifiketaii mastarov i rabochikh. Aoskva, Gos.nauchno-tekhn.ied-vo lit-ry po chernol I tsvetuoi metallurgii, 1960. 92 p. (MIRA 13:9) (Ure dressing) (Zinc) (Fluidization) inzh.; JXy ja.,, kand.tekhn.nauk; GELIFERIN., N.I.* ZAK$ M.S.P doktor tekhn.nauk) prof* Study of a cold model of a double-chamber reactor for roasting in a fluidized bed. Kh:Lmmaahinoatr. no.3;8.-12- FV~Je 163. (ffRA 16:11 NI, Q~ Pr ZABRODSKIY, S.S.; LEYZEROVIGH, G.Ya.; RASHKOVSKAYA, N.B.; ELIPERIN, I.T. 4. All-Union seminar on the fluidized bed. Inzh.-fiz. zhur. 7 no.5: 121-124 My 164. (MIRA 17:6) LEYZEROVICII, L. [Leizerovych, L.Ip inzho-stroltell Repart'on mmolithic tamped walls made with a sand-shell ag- gregates Bill, buds 11 no*9;14 S 161~ (IaRA 34;n) .1 1. Belozerskiy ra-yonnyy otdel "Sellkhoztekhnikin' Khersonskoy oblasti. (Concrete walls) (Aggregateo (Building-Materials)) Q QYEROVICH, M.'rE~-,,;,-JPATNGIRSH, YU-Ya- , - Machine for the forming of covers for the platform sole of womer.1s shoes. Kosh.-obav.prom. no-7:37 JI 159. C14M 12:11) (Shoo mehinery) 9 - I BOGAYCHUK, V.G. [Bohaichuk, V.H.]; YUSIM, F.M. (IUSYM, F.M.1; LEYZEROVICH, M.Ya.; ZILIBERGLEYT, I.S. Proposals of efficiency promoters of the Odessa Shoe Frztory No. 2* Im"hoprom, noelt88-92 Ja-Mr '62. (MIRk 15:9) (Odess,z.-Shoe industry-Technological innovations) "a YUSIg, F.M. Ws~mi F.M.); LEYZaMICHi M.Ya.- UMAX., V.S.;, WMER) L.G.) LBrener,, L.N.] Proposals of the efficiency px* ,moters -6T the Odessa Shoe Factory No.Z. Igeh.prom. no.3:59--61 Je - Ag I" (MIRA-16.2) (Odessa--Shoe mmm, acture Technological inn vations) AID F 3509 S,abject USSR/Power Eng Card 1/1 Pub. 26 - 3/30 Author Leyzerovich, Sh. L., Eng. Title On lengthening the between-repairs period of steam turbine operation Periodical : Elek sta.0 9, 8-11, S 1955 Abstract : The article discusses the possibility of operating turbines for longer periods of time between overhaul periods, and even between small-repairs. The first period is extended to 2 years. A table shows the number of hours turbines stood idle in 1953 and 1954 and also the type of repair work performed. Institution None Submitted No date LEYZEROVICH, Sh.L.,inzh. Modernization of the U-100-2 turbine, Illek.sta. 29 no.11: 73-74 N 058, (mm 11:12) (Turbines) 14(6) SOV/91-59-5-9/27 AUTHOR: -Leyzerovich Sh.L., Engineer TITLE: Change of Structure of the Fastening of the Encase- ment of the Fron-F 9ealing of High Pressure Cylinder Turbines (Izmeneniye konstruktsii krepleniya kamina perednego uplotneniya Ts.V.D. turbin) PERIODCIAL: Energetik, 1959, Nr 5, pp 19-21 (USSR) ABSTRACT: a-en a high-pressure VK-100-2 turbine was down for overhaul, it was found that the membrane of the whole elastic ring (Figure 2), connecting the front part of the cylinder with the encasement of the front sealing, had numerous cracks and had to be replaced, since all attempts to have it welded failed. There being no spare ring., it was decided to change the structure of fastening of the en- casement of the front sealing and have the elastic ring replaced by a rigid' ring. The results proved Card 1/2 to be good and another similar turbine was subjec- O-OV/91--59-5-9/27 Change of Structure of the Fastening of the Encase- ment of the Front Sealing of High Pressure Cylinder Turbines. ted to the same reconstruction the next year. The subsequent two-year long operation of both turbines proved the good zesult of the reconstruction. In 1958 . in another power plant,, the elav.".c ring of a ITK-100-2 turbine was repiaced by a split rigid ring, consisting of two halves (Figu:i~e 4). The same replacement was made on another VK-100-2 turbine. on two VK-50-1 turbines, one VIT-25-4 turbine and two SVK-150-1 turbines. The results were good. It is norr planned to introduce the split rigid rings into all other turbines of the above mentioned types used vrithin the system of the Mosenergo-Disconnection of the lower part of the encasement from the bed of the front bearing and the securing of a gap between them, in con- nection with installation of the above-named ring, was made as depicted in Figure 59 There are 4 Card 2/2 sketches, 1 cross section. 8(-69 14(6) SOV/91-59-10-5/299 AUTHORS: Leyzerovich Sh.L and Martlyanov V.M., Engineers TITLE: Reconstract-loa of urbine Condenser PERIODICAL: Energetik,-1959, Nr. 10, PP 13-14, (USSR) ABSTRACT: A condensation turbine of the firm Esher-Viss, 5000 kw capacity, 1500 r.p.m., 12 atm. pressure at 3200 was in.- stalled at an electric power station. The turbine con- d nser is of a four-stroke type; condenser pipes 25/27 ' in diameter pass through the openings of 25.5 mm in 4 d-ameter made in the pipe boards, and are packed at each end by two rubber rings (pig. 1). During the last two and a half-yArs, the turbine was not used. In 1959, it was necessary to put the tu7bine into operation. Inspec- tion of the turbine condenser disclosed that the rubber ge6skets had become dry and broken, while in the conden- ser pipes under the gaskets, openings of 2-3 mm in dia- meter were formed. Otherwise, the pipes between the boards remained in a good condition. Taking Into consi- deration the absence of spare nondenBer pipes at the e- Card 112 lectric power station in question, it was decided to SOV,'91-59-10-5/29 Reconstruction of Turbine Condenser shorten the condenser body by 60-65 mm, to utilize the existing pipes, and to supersede the gaskets by rolling the pipes on both sides. For this purpose, both water chambers were disconnected and dismantled from the con- denser body. The openings in the boards were cleaned from the rubber rests by using a home-made pipe-shaped milling cutter (Fig. 2), and a reversible pneumatic dril- ling machine 1-118 manufactured at the Sverdlovsk Plant imeni Ordzhonikidze. After cleaning of the openings, -the pipes were removed from the condenser. The openings were increased from 25.5 to 30.5 mm in diameter (Fig. 3),, In the power house workshop, the required number of bushings was made; they were then pressed by means of special de- vice (Fig. 4) into the openings in the pipe boards. The cutting of condenser pipe ends was performed by a disc.- saw; the rolling of pipes was done by mechanical rollers and the reversible drilling machine 1-118. There are 6 diagrams. Card 2/2 LErZEROVICH inzh, General overhaul and modernization of the blading of the VK-50-1 turbine. Elek.sta. 34 no.2s8l-% F 163. (MMA 16:4) (Steam turbines) LEYZEROVICH, Sh.L., inzh. improvement in the operation of the drive mechanism of the control valves of VK,, VT and VFT turbines. Energetik 32 no.8:11 Ag 163. (MM 16: 10) iXYZEROVICH, S*Ya.p inzh. Sutmergence diagram of a carrier floating dock. Sudostroanie 28 no.1:62-64 Ja 162. (MM 3-6:7) (Dry docks) LEYZEROVICH, Ye.Ye. Bamomio geography and oeveral problems of the industrial de- velopment of southern Turkmenistan. Izv. Vest. geogo, ob-va, 96 no.3:206-212 164 (MIRA 17:8) "Problem of the Use of Penicillin in Pulmonary Suppuration," Terap. Arkhiv., No. 4, 1949. Cand. Medical Sci., Faculty Therapeutics Clinic, 1st Moscow Order Lenin Med. Inst.. -c1949-- "Bronchoscopic Treatment of Abeesses in the Lungs." Sub 12 Feb 51, First Moscow Order of Lenin Medical-Inst. Dissertations presented for science and engineering degrees in Moscow during 1951. Sum. No. 480, 9 May 55. RE A. ;j 1ATMOVSKAU kandidat maditsinakikh nank. BronahosMio therapy of pulmonary abscesses. Terap.arkh. 25 no.6: 40-48 &D 153, OM 7-21) .1. Is faku'll'tetskoy terapewticheskoy kliniki (direktor - dayetvitelIM7 chlen Akadeall meditsinskikh nauk MU professor T.N.Vinogradov) I Koskovskogo ordens Unina meditsinskogo Instituta, (Bronchoscope and bronchoscopy) (lungs-Abecesm) IE YZEROVSKAYA, B.G. I,IYZMUROYSXA Brouchoscopy in the clinical practice in nonspecific pulsonary diseases. Urmp.arkhe 29 no-3:89-95 Mr 157- (HLRA 20:8) 1, Is fakulltetskoy terepsyticheskoy kliniki (dir. - daystvitelluyy choln ANN SSSR prof, Y.N.Vinogradov) I Noskovskogo ordems Imnim maditainskogn institute imni I.K.Sechanovs. (.LUNG DISAUS, jp~ymiolbff, . brouch"copy MOD (BROWHOSOWY~ invar.' dim. lunj die. (Run)) IkURROVSYAYA, &G. (Moskva) "Gowilontions ariaLW, daring, drug therapva. G.L Alexander. Reviewed DY &G, Inizerovskaia. Yelld i akush 24 no.2:60-62 Ve 159 (MIRA 12:3) (DWGS?--PIffSIG010GIGAL EMOT) (ALUANDER, G.L.) 7, ~5 I-EYZEROVSK&Uv E.G,q,kand.med.nauk Significanae of the bronchoocopic method in hemoptysis. Scrr.med. 24 no*3:48-52 Mr 160. (MIRA 340) 1. Iz kafedry fakulltetakoy terapil, (zav. - daystvitellnyy chlen AMN SWR prof* V*N,,vinogradov) lgchebftogo fakulltet4 I Mookovokogo ordena LeninA m~&tsinskogo instituta imeni I.M.Sechenova. (MTdMGE.) (BRONCHOSCOPY) LBYZMWVSKAYA., E,G.; FEKLISOVA, M.Ye. Treatment of patients with bronchiectasis with antibiotics associated with bronchoscopy. Terap.arkh. 33 no./+:49-54 161. (MIRA 105) lo Iz fakulltetskoy terapevticheskoy kliniki (dir. - deyst- vitellnyy eblen AMN SSSR prof. V.N. Vinogradov) I Moskovskogo ordena Lenina meditsinskogo instituta imeni I.M. Sechena7a. . (EMCKMTASIS) (ANTIBIOTICS) NEPOREETO M.I.; LEYZE-ROVSKAYA, E.G. Some characteristics of the clinicoroentgonological picture of suppurative processes in the 'ironchi of patients treated.with antibiotics. Sov. med. 28 no.4:38-42 Ap, 164. (MIRA 17:12) 1. Fakulltetskaya terapevticheskaya klinika (direktor - prof. V.N. Vinogradov) I Moskovskogo ordena Lenina meditsinskogo insti- tuta imeni I.M. Sechenova. q, LEYZ MWOV, M. A. Melanoma of the urethra. Urologiia no.2:62-63 '62. (MIRA 15:4) 1. Iz urologicheokogo otdoloniya (zav. A. 0. Bekkerman) Moskovokoy gorodskoy bollnitsy No. 53. (URETHRA-TUMORS) (OVI ~M~A. LEYZERJJ I .7- estes. Urologiia age-related changes in human t (MIRA 19:1) MorpholOgY Of no.404-37 164- chnYY lenive (zav. MoAq Leyzerukovy nau 1. Urologichaskoye We -7 gorodokoy bollnits7i, rukovoditel' prof. L.I DunayevskiY) 53 M-)skva. .4 LEYZERZON, B. S. "The Effect of a Cervical Novocaine Yagosympathetic Blockade on Fatients With Bronchial Asthma or a Thoracic Injury." Sub 29 May 51, Central Inst for the Advanced Training of Physicians. Dissertations presented for science and engineering degrees in Moscow during 1951. SO: Sum. No. 480, 9 May 55. LNUMODN, 13. S. Cervical vago-sympathatic novocain block in costal fractures. Klin. mod., Moskva 30 no.4s83-84 Apr 1952, (CLHL 22:2) I* Candidate Medical Sciences. 2. Moscow. IZYZERZOI), Mikh4!4-.;5qmenovich; PETROV, V.P.., red.; BORUNOV, ILLP [Synthetic mica)Sintetichaskaia sliuda. Moskvao Gosenex-go- izdatp 1962. 191 p. (Polimery v elektroizoliatsionnoi tokh- nike, no.2) (MIRI 15:9) (Mica) (Synthetic products) -AZ 1 71 109-8-14A7 AUMOR:Leyzerzon? M.S., TITLE:- _xl~*,.t~~,!-`,,Uk- Synthetic Mica and its Application in .New Electrical Insulating Materials. .Qgiixte~ticheskaya slyuda i yeye primeneniye v novykh elektroi- -zolyatsionnykhmaterialakh). PERIODICAL:'Ridjotekhnik_a i Elektronikaj 1957P Vol'ony Nr 89 6.107.7-1081. (-USSR): ABSTBACT is,' prita ip 611 a- revi 0. Pape r.desoribing the pbysical propertlesq'tL technology- and.the electrical characteristios,of American.synthetic micas suoh as Micalex. The developments in this field'in theUSSR are also dis- OU686C-- It appears that the first attempts in the USSR &t roduoirg a synthetio.mioa were conducted at the Leningrad K ai% Institute under Prof. D. P. Gregoriev and in the .Institute of Crystallography of the Soviet Academy of Sciences. Since 1955 the woxk on the synthesia on a 3.Rrger scale has been conducted at Vniiasbesttsement(JQSM BE.%. Two types of mica were Aevelopedt the so-called Ftorflogopit, having the formula M693 (8'3A'(YIO)F2 and lithium mica Card 1/2 LE Y-/,EPZONI M. S. Leyzerzon, M.S. Synthetic Mica and liew Electrical Insulating Materials Made From IT (7he Physics of Dielectrics,* Transactions of the All-Union Conference on the PIVsics of Dielectrics) moscow, rzd-vo AN BwR, 1958. 245 P- 3,000 Copies printed. This volume publishes reports presented at the All-Union Conference on the Physics of Dielectrics, held in Dnepropetrovsk in August 1956, sponsored by the "Physics of Dielectrics" Laboratory of the Fizicheskiy institut imeni Lebedeva AN S88H (Physics Institirte imeni Lebedev of the AS USS), and the Electrophyaics Department of the Duepropetrovskiy gosudarstvennyy universitet (Dnepropetrovsk State University). SOV/81-59-5-1614o Translation from: Referetivnyy zhurnal, Khimiya, 1959, Nr 5, p 347 (USSR) AUTHORs Leyzerson, TITM s Synthetic Mica and Its Application in the Production. of New Electric and Heat Insulating Materials. PERIODICAL% Tr. Vses. n.-i. in-ta asbesta, slyudy, asbestotsementn. izdeliv i proyektir. str-va predpriyatiy slyud. prom-sti, 1958, Nr 9, pp 88 - 110 AB&MAGT-. The general situation is dealt with regarding the synthesis of mica and the results of work carried out in this direction in 1955 by the VNITAsbesttsement laborator7 of natural and artifi- cial mica. The data submitted indicate that the synthetic mica developed and materials produced on its base have high electric and thermal insulating properties and that they can be used at higher temperatures and endure severe thermal impacts. It is pointed out that synthetic mica and materials based on it can be widely applied In the electric engineering, radio-engineering Card 1/1 and aircraft industries. 0. Maslennikova sov/81-59-5-16139 Translation froms Referativnyy zhurnal, Kh1miya, 1959, Nr 5, P 347 (USSR) AUTHORS: -Leyzerzon, M.S., Levina, V.L. TITIE: The Problem of the Physico-Chemical Methods of Mica Processing PERIODICAL: Tr. Vses. n.-i. in-ta-asbesta, slyudy, asbestotsementn. Izdelly i provektir. str-va predpriyativ slyud. prom-sti, 19.5d, Nr 9, pp 127 - 162 ABSTRACT: Card 1/1 Data are given on the investigation of the process of mica cleavage, as well as on the testing of various methods for the processing of mica and micanite3. The effectiveness was established of applying the physico-chemical processing of mica, phlogopite and muscovite prior to mechanical pinching. It is pointed out that the physico-chemical processing of mica in combination with the mechanical separation of the crystals practiced in the Bulgarian People's Rer~ublic, enables one to produce standard micanites, avoiding the stage of obtalning stan- dard pinched mica by means of manual cleavage. G. Maslennikova SOV/70-4-3-24/32 .AJ3ThbRS: Zevin, L.S. and Leyzerzon M.S. %ZZ64ft- ~= - -, Z TITLE: On the Question of the Position of the Potassium !on in the Stx-uctur-e of Mca PERIODICAL: Kristallografiya, 1959, Vol 1k, Nr 3, pp 422-423 (USSR) ABSTRACT: An electron density synthesis: Pz Foolcos 2~*'L z was-made for three specimens of phlogopite. Two were Aldan phlogopites (hard and hydrated) and the other a synthetic fluor-phlogopite. The OOOL intensities were measuved with a URS-501 diffractometer. Absorption corrections were included. Test syntheses with F c values were also made for the two cases: 1) K atoms half-way between silicate sandwiches (z k=-0.50) and 2) K atoms in between the 0 atoms of the upper and lower sandwiches (z k = 0.42 and 0.58). The object of the Card 1/2 SOV/7f -4-_3-24Q32 -tass um On the Question of the Position of the Po 3 Ion the Structure of Mica exercise was to distinguish experimentally between these hypotheses. In case 1) the K-O distances are all about 3.1 A which is larger than the sum of the ionic radii (2*7 1), whereas in nase 2) the K ion would be in close contact with the 0 atoms on one side. The results shcmd quite decisively that z. = 0.50 - The considerable series termination effects do not affect this conclusion. There are 1 figure and 5 referenaes, 4 of which are Soviet and I French. ASSOCIATION: NII ASBESTTsEMENT .SUBMITTED: December 19, 1958 Card 2/2 PHASE I BOOK EXPLOITATION SOV/6274 Leyzerzon, Mikhail Semenovich,' Sinteticheskaya. slyuda (Synthetic Mica). Moscow, Gosenergoizdat, 1962. 191 p. (Series, Polimery v elektroizolyatsionnoy tekhnike, vyp. 2). 6500 copies printed. Editorial Board: Chief Ed.: K. A. Andrianov, K. I. Zabyrina, V. 1. Kalitvyanskiy, Yu.'V. Koritskiy, A. V. Khvallkovskiy, and L. A. Epshteyn; Ed.: V. P. Petrov; Tech. Ed.: N. 1. Borunov. PURPOSE: This book is intended for scientific and engineering personnel worldng in the fields of radioelectronics, aerconautical and defense engireering, and electrical engineering. COVERAGE: The book deals with the preparation of synthetic mica with better characteristics than those of natural mica. This state-of-the-art text is based on the results of Soviet research and on Western sources. Card l/ 3 Synthetic Mica SOV/6274 New trends in Soviet mica technology are described. The following per- sonalities are mentioned: Doctors of Geology and Mineralogy, Professors D. P. Grigorlyev, V. P. Petrov, and G. G. Lemmleyn; Candidates of Technical Science a 0. L. Feofilov, and V. L. Levina; Candidates of Physics and Mathematics 1. M. Golldm-ah and 1. L Yamzin; and S. 1. Sokol'skiy, Engineer. References follow chapters. TABLE OF CONTENTS: Preface 3 Introduction 5 Ch. 1. Development of Mica Synthesis 7 Ch. H. Physicc chemical Principles of Mica Synthesis 32 Ch. III. Technology of Mica Synthesis 72 Card 2/3 Synthetic Mica Ch. IVi Phyaical, Chemical, and Technical Properties of Synthetic Mica Crystals Ch. V. New Electric and Thermal Insulatibn. Materials Based on Synthetic Mica Ch. VI. Possible Areas for the Application of Synthetic Mica and New Materials Based on Synthetic Mica Conclusion AVAILABLE: - Library of Congress TN933. U8' SUBJECT: Electronics SOV/6274 107 138 181 187 BN/clb/mas Card 3/3 5--6-63 PHASE I BOOK EXPLOITAT1014. SOV/6274 ?Zzerzoo, -Mikhail SemSagxLch~- Sinteticheskays, slyuda .(Synthetic Mica). Moscow, Gosenergoizdat,. 1962. 191 p. Polimery v elektroizolyatsionnoy teldmike, vyp. 2). 6500 copies printed. Editorial Board: Chief Ed.:' K.. A. Andrianov, K. I. Zabyrina, V. I. Y-.alitvyanskiy, Yu V. Koriteldy, A. V. Ehvallkoveldy, and L., A. Epshteyn; Ed. - V. P. Petrov; Tech. Ed.: N.. L. Borunov. PURPOSE: This book is intended for scientific and engineering personnel iorking'. in the fields of radioelectronice, aermautical and defense engineering, and. electrical engineering.. COVERAGE: The book deals with the preparation- of synthetic mica with better characteristics- than those of natural mica. This state-of-the-art text is based on the results of Soviet research and on Western sources. Card Synthetic Mica SOV/6274 New trends in Soviet mica technology are described. The following pei sonalities are mentioned: Doctors of Geology and Mineralogy, Professors 'D. P. Grigorlyev, V. P. Petrov, and G. G, Lemmleyn; Candidates of Tecbnical Science 4 .0. L. Peofilov, and V. L. Levina; Candidates of Physics and Mathematics 1. M. Golldman and 1. 1. Yarnzin; and S. 1. Sokol'sIdy, Engineer. References follow chapters. TABLE OF CONTENTS: 3 Preface Introduction Ch. 1. Development of Mica Synthesis Ch. 32. Physicochemical Principles of Mica Synthesis 32 Ch. M.' Technology of Mica Synthesis 72" C ard 2/ ------ ------- :."f'TEXT: The- present work- is conce rned with some results of the crystallization of.fluorophlogopite.and.teniolitej rie -in.-Iaboratoriypv.-Tqrf qlOg#-, a _tallov- rphology- a 9r. . . I' -.' ~ I- . 16&4~~A'Bt 1: 1 --So s -are- given- on -g me t64- me t analogous work on 1-- - 5 kg melts .'car 0 ried.out at Laboratoriya ..-I io -Priro,dnoy,i iskusetvennoy blyudy:VLIII-aebeettsementa-(Laboratory of Natural-and Artificial Mica of the VNII of Asbeatos Cement). The optimum. charge compositions were, L 1 Ag;j LI - -. " z--' - - .. -'r , - - -.. , - - . . , - , . . T.- &7 . ..'~ -.: , . ` ~ , , , A . I " - --,-; - '. I IE YZERDN , N. A. 25904. IY,=ScFP H. A. Lechenie i profilaktika keratokon" yunktivitov krupnogo rogatogo skota. veterinariya, 1949, No. S. S. 41-42. So. Letopis' Zhurnalfriykh Statey, Vol. 34, Yoskva, 1949 a. - "Treatiment and Prophylaxis of Kerit6to-Conjunctivitis pf Cattle" i.' i,. Feeding and Feeding Stuffs Feeding chaff to horses. CYreparption of feed staffs for feeding." Prof. M. F. Tomme, E. 1. Simon; "Organize the preparation of feed 3tuffs on every farm." V. Kond;vrev, S. Kabazov, A. Berezovekiy. Reviewed by N. A. Leyzerson). Konevodstvo 22 no. q, 1952. Monthlv List- of Rllesiqn Accessions. Library of Congress. Iloverber 19.52 UNCLkSSIVIED "On the TechiAQu,-) of li.-Umducti-Dri u %alt," S G 31, 7"o 7, pr 45-~Cl, 1~54-, D 7 rTt NISMOV, V.M.; LMGOLID, Ta.A. AcylAtlon of 2-aminothiasole. Xed.prow. 14 no.43-7-38 Ap 160. (KIRA 13:6) 1. Anshero-Sudshenekly khlulka-farmtsevtichaskiy zavod. (HUZOIJ) .LEYZIN,,A... inzh.; YASTREMSKAYA, L., inzh.; SINEV, 0,, inzh, Unifiqd,series of standard designs of automated cement atorage silos. Mekh.4~roi. 20 no.11:17-20 N 163. (MIRA 1?tl) LIMIN.A.A.. inzhener ea-w~-' ~10" Selection of a jaw crusher for grading and crushing plants of average capacity. Mekh. stroi. 12 no.5-30 My 155. (Crushing sachinery) (mm 8:6) - - - - - - - - - - - - - InM,6&h~;-prsfiaration and refifting. KL tech cas 15 no-3: 18Z-189 164 POLIVKA, P.; LE7ALj.D* Untribution to the preparation of thin layers of Indium arsenide by va-,uum steaming. KL tech cas 15 no.39189-190 V64, -77 , -, ~ I , - -~: -~ 1~ -: - -~'% ~ ~. - j~~~:Rsw Fpw- , :~ C-~- 'a LEZAL,ID.; POLIVKA, P. Preparatiw4t. crystallization layers of semiconductor materials. El tech c='9i5 no. 92564-568 164. TMAr, DL-mitrij. 'nz. Cold soldering of ccataz-~s an~i sunip'-r leads. :)tz:.,-, 25 no.3t16i!-I69 !or 764, IEZ Dinltriji POLIVYA, Pavel ,AL9 P~irllftcatlon of indium to scmdecndurAcr purity. Chem 11-ty 58 no. 7%823-826 JI 164. 1. Laboratory of Semiconductors, (,~,.3komorav-=kti-Folbc-n-Danrk National FnItarprise, Prague. -rce 'KV A11%02-5 165/000/008/0620/0627 SOURCE CODE: CZ/004j AUTHOR: Lezal, Dj"J-4 zW Do (Engineer; Candidate 6f sciences; Prague); Pavel k1sngineer; Fraguej Po Productio ORGt Labollatory of Now Seniconductor Materials, n of Soul- conductors, CKD, Pragdp (CKD, Zavod Polovoclice, Laboratdr h polovodicovych na rial TITLE: Preparation of high purity arsenic.(As) Cherdake moti., no* 80 1965. 62ff%27 TOP= TAGSt chavdoal yurfty, arsenla, sublimtIon, hydrogen, cheadcal reduction, distillation, spectrographic analysis, indium compouhdg chemical production '~--'ABSTRAC The As is first~'sublimed in a. stream of hydropn,, tfie ro '~-is then burned in tal-I du; en oxygen stream, the oxide is crys Xpzed from a 6M solution of hydrochloric acid, and the crystals '.I~re sublimed in 'a hydrogen stream, in whioh a a'A.MUltaneous reduo-1 ~~ion to metallic As takes place. Traces of S, So, and To are 'ziemoved by distillation from liquid lead. The purity of the- ,'Product was determined by speotrographio methodso and by electria, ;Parameters Of 1ndjW I jaisenide prepared from the purifig a-with a 99 ftAs; iThe method yiglds A .999% to 99.9999% purity 9 ar ing *Lth commei~oial Asa This purity is satisf a(,tory--fo-r--iffie ro&)Z- - ,Lt.io,n of semiconductors t6"iuth6 t1mik Graduate Chebid KO' ~ zrlzk for- 64&rying rs 4Lble a a out t)ie ana3,vs1s";'- Orie; arte has.- ~3 f s and 2A M L ORIG REF: 004 SOV S pUM DATE: 28Ji RkW QW REFt 010 011CPTh 09 F -77777~~ f IEZAL, D.; POLIVKA, P. Contribution to the apitaxia3 growth of silicon. El tech cas 16 no-105-58 165. 7_: ielazaski, T. Sur es fon-ilonnelles multiplicatives. Sim-' to W_fllr~_defined sequentially y t then and are generalized Fredholm determinant-j Espc T. Lalesco, Th&jrie des T. ales, Hermann, Pariq, 1912, pp. 25, 26]. It iq povi-d that if A,A i= 1, 2, ihen _~-A A?i =- D"t, ll~A:l I h" w5:lh is .1pidt, to thf. 1`7edholm [Sludla Ahth, 13. 24t--276 1 lll~ 3~, rhtni~, 15, 54.S T 11. lh:d~b,andl ;Ami Ar:,cu. 70 it h C. A OU & CeffeteflirstiOU Of the CC-,OIVCUE.- a h. 15.(19.56). 144 -147 LsZa'(j:e-,Xy."%w' t'h A a linear continuous transformation an A t toT A210 (Alj=d, the to atithor sets exp A identity) i md V(t, A =fol exp sA)ds. I f lim U(9, A)ya=xe wealdy in X, then A ra=yo: if liqi,-_ U(/. A 1~ U weakiv in the -Tace of linear 7 d J' -n I! I X, then CA -.4 -4 then V+.4 -tA V= V-t-A V.4, provided hin V(;. A I= V wealdy. The last two resnits are shown to lie valid in a Fltmasb ajgebra, with aii(i withow unit 8/044/6Z/000/01Z/025/049 Ao6o/Aooo AUTHOR: Leiafiski, T. TITLE: On the minimum problem of functionals in Banach spaces PERIODICAL: Referativnyy zhurnal, Matematika, no. 12, 1962, 80, abstract 12B369 (Bull. Acad. polon. sci. -S&r. sci. mat. astron. et phys., 1962, v. 10, no. 2, 107 - 110; German; summary in Russian) TEXT; Let iD be a continuous functional defined on a Banach space X. It is assumed that ~? is bounded from below in the sphere Ilk - x oil 4 r 4p in f (D (x) is finite) and possesses a continuous weiLk gradient satis- lix-x0114r fying the inequality grad i~ (x) jj,;~ fQ (x) 4?*), where f is a real in- creasing function such that 1~ (XO) - ds f (07 0 Card 1/2 LUANIU. T. On the perturbation of the regiGn for different-.al eqliaticn-i of the issoond order. Bill !.c Fol rpath 12 no.11015-712 "-4. 1. new defin2ticn of the differentlation of abstract F'trr'ir,"S. Tb1d.019-721 1. Institute of Mathematics of Polish Academy of Sciancas, Warsaw. Submitted September 5, 1964. LEZANSKI,, T. On the minimm problem of functionals in B-ni, h spaces. Bul Ac Pol mat 10 no.2.-107-110 162. 1, Instytut Matematycznyp Polska Akademia Nauk, Warszawa. Presented by S.Mazur. -f;Z-LEZAROV, A.G. Astrobotany. Prir i znanie 17 no.7:5-7 S164. N,