SCIENTIFIC ABSTRACT VERKHOVSKIY, I.M. - VERKHOVTSEVA, E.T.

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SCIENTIFIC ABSTRACT
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SOV/19-58-6-25/685 AUTHORS: VerkhQvskiY_'_j'x_;-_ Pushkarski~r, S.M. ;Gorbachev, V.U G.A. unl Fri,im:in, I.A. TITLE: A Method of Obtaj.nin- Flu.;hing Lijuid (Sposub polu- U cheniyu promjvochnogo rastvora) PERIODICAL: Bjulleten' izobratulnij, 1958, Nr 6, 1) 1C (USSR) ABSTRACT: Claso 5a, 31. Nr 113504 (575172/MNP-2991 of 15 July 1955). Submitted to the Ministry of Petroleum In- dustry of USSR. 1) A method of obtaining a flush- ing liquid (consisting of a filler, clay, and re- agents) for well drilling. To improve the quality by regeneration of the filler, the spent clay solu- tion sill be diluted ~,iith water to a specific veight of 1.25-1.3, and concentrated in a hydraulic cyclone with separation of the filler into the sand fraction. Large rock particles will then be eliminated from the mass on a sieve, and the remaining clay separated Card 1/2 M_ fflwm'~Mc~~- A Method of Obtaining Flushing Liquid qOV/19-58-6-25/665 in a classifier. 2) A method variationp with ad- dition of chemical reagents, e.g. an alkaly-coal reagent, and subsequent separation of the drilled rock and surplus water. Card 2/2 OWMIKKADZI, T.L.; PMOVSKIT, I.M.; DZMASHVILI, -Zh.I. Using InductAon heating In heat treatment of piston pines Ayt. prom. no.9:34-35 S 158. (Knu 11:10) 1,Kutaisekly avtozavod imeni Ordzhonikidze. (Induction heating) (Steel--Heat treatment) SOV/137-58 -10-20391 Translation from: Referativnyy zhurnal, Metallurgl:ya, 1958, Nr 10, p6%'USSR) AUTHORS: Verkh inogradov, N. N. , Arutinov, 0. M. TITLE: Use of Nucleonic Methods (Gamma and Neutron Radiations) for the Investigation and Automation of the Pulsator Jigging P-ocess [ Primeneniye yadernykh metodov (gamma-- i neyt:ronnvkh izlucheniy) dlya issledovaniya i avtomatizatsii protsessa otsadk;) PERIODICAL: Nauchn. dokl. vyssh. shkoly. Gorn. delo, 19513, Nr.l. pp 263- 274 ABSTRACT: The following methods are developed: 1) The method of y location, permitting continuous recording of the characteristics of the spatial movement of the grains in the bed of the pulsator jigging machine; 2) the method of determining density at various points in the bed; 3) methods of determining the degree of looseness of the bed. Var;ants of designs of automatic regula- tors to maintain these parameters at constant levels are de~,el- oped. A pick-up design for an automatic regulator for deter - mining medium density was developed and was tested under industrial conditions with encouraging results. Card 1/1 1 Ores-qojessig 2. Radi ti i--Appl4cations M. M. 3: Industr a equi ment--c%z O?r,y.,t,... 'Y VEMMVSKIY X.-*.Prof.. doktor takht.nauk; VIROGRADOV. R.N., dote., Intj t ekhn. nauk; ARUTIROY, O.M., inzh. Movement of mineral particles at the bottom of a jugging mehine. Ilauch. dokl. v79. shkoly; gor. delo noo3:248-252 158. (min 11:9) 1,Predetavlona kafedror obogashchonlya Moskovskogo gornogo instituta im. I;V. Stalin&. (Ore dressing) 6()V/136-58-8-1/27 AUTHORS: Verkhovskiy, I.m. and Shokhin, V.N. TITLE: Method of Determining Final Fall Velocities of arains In Heavy Moving Media. (Metod oprodelonlya koneahnykh, skorostey padeniya zeren v tyazhelykh podvizhnykh srodakh.) PERIODICAL: TsvetnyyeMetally, 1958,, Nr.8, pp.1-4 (US3R). ABSTRACT: For determining the falling velocities of particles in opaque media (suspensions) visual methods are unsuitable and various electrical systems have been proposed. The authors list the disadvantages of three of these - that of Mitrofanov and Zelinskiy (Ref.1), of Muzylev (Ref.2) and of Goroshko (Ref.3). They go on to describe their own method whic. is free from many of the listed defeots. The electrical part of the method is an Improvement on that of the tensometer designed by the Moiskovskiy gornyy institut (Moscow Mining Institute). The principle is that as a ferromagnatic grain passes the oentre line of an induction core it causes a change in t.ae inductive resistance of the coil, which unbalances the bridge circuit of which the coil forms a part. The impulse is amplified Card 1/2 and registered with a millivoltmeter; the same occurs when SOV/136-58-8-1/27 Method of Determining Final Fall Velocities of Grains in Heavy Moving Media. the grain passes a second coil. An oscilloBraphie reeord (Fig.2) or other means can be used for timing the grain over the distance. An editorial note points out that the authors have not taken Into account the difference in suspension speed at the walls and centre of the tube of their apparatus (Fig.l). The authors cla!.m that the apparatus enables the falling speed of grains in heavy media, including ferromagnetic suspensions,, moving at a constant speed, to be determined and suggest that the method could be applied to studs grain motion In true solutions as well as suspensions. There are 2 figures, I table and 4 Soviet references. ASSOCIATION: Moskovskiy gornyy institut (Moscow Mining Institute). 1. Grains (Metallurgy)--Theory 2. Grains (Metallurgy) --Testing equiprr.ent 3. Grains (Matallurgy)--Test results Card 2/2 MKHOVSKIY, I.M., prof., VINOGRAWV, N.N., dot66at; ARUTINOV, O.M., inzh. "- , "". -1". Using nuclear methods (gamma anC neutron radiations) for the investigation and automatization of the jigging process. Eauch. dokl. vys. shkoly; gor. del* no.1:263-264 158. WRA :1:6) I.Predetavlena kafedroy obegashcheniya polesnykh iskopayemykh Moskovsksgo gornoge Instituta, (Ore dressing) (Radioisotopes) VERKHOVSKIY9 N., vrach (Moskva) Thoughts about cancer. Izobr. i rats. no.7t46-47 163. (MIRA 16:9) (cancer research) I -)K ABDULIN, A.; ALEKSEYEV, I.; BANTIE, 0.; BOBROV, L.; BOZHANOV, B.; BOYMP V.; BONDMV, K.; BORZOV, V.;_V)~MOVSXIT, N.; GUBARr~, V.; GUSHCHEV, S.; DEBABOV, V.; DIKS, R.; DMITRIYEV, A.; ZHIW-01, A.; ZELIDOVICH, Ta.; ZUBKOV,- B.; IRININ, A.; IORDANSKIY, A.; KITAYGORODSKIY,, P.; KLYUYEV, Te.& KLYACHKO, V.; KOVALEVSKIY, V.; KNORRE, Ye.; KONSTANTINOVSKIY, M.; LADIN, V.; LITVIN-SEDOY, M.; MALEVANCHIK, B.; MANICHEV, G.; NEDVEDEV, Yu.; MELINIKOV, Iq MUSLIN, Ye.; NATARIUS Ya.; NEYFAKH, A.; NIKOLAYEV, G.; NOVOWYSKIY, A.; OLISHANSKIY, N.; OWMIN, S.; PODOLINYY, R.; RAKHMANOV, N.; REPIN. L.; RESHETOV, Yu.; RYBCHINSKIY, Yu.; SVORENI, R.; SIFOROV, V.; SOKOL'SKIY, A.; SPITSYNp V.; TEREKHOV, V.; TEPLOV, L.; KHARIKOVSKIY, A.; CHERNYAYEV, I.; SHAROLIP L.; SHIBANOV, A.; SHIBNEV, V.; SHUYKIN, N.; SHCHUKIN, 0.; ELISHANSKIY, I.; YURIYEV, A.; IVANOV, N.; LIVANOV, A.; FEDCHENKO, V.; DANINP D., red. [Eureka] Evrika. Moskva, Molodaia gvardiia, 1964. 278 p. (MIRA 18:3) 164:::9049 0000*00 -I ". , 6 a -1 - - of* o 0 * 0 * 0 0 41 : 1 0,01 1,.,I - ---~-. . . . 9 1 .. - 04 it u ~j w " w 1 0 a 11 1) -4-A'A -11-1. "Any.1, I. --t-A-t-A 1-1 A- 0 A A -00 0# 00 *0 ;-Oe 1930, No. W, W-9---f)U melting bauxite cintg. 1-2% W 6 Ti(h. in tic. furnace, a dillicultil mA, Wagialaroped. which so S1'q Contains, together With COW and Ume, 45-714 of Ti as carbicle. Ti". famed by p-ing Cl, throuSU the slas 40 at 400-~M% is mqW. by diAn. from Fe and Al chlorides, moo ~f into JUSO, *0 and is comated to TIASOJs by pottrin 00 (WI U.) and evaps, to drynew at lW-2W . Hydrolysis Zoo of An aq. Tit(SOG)i moin. by boiling at 103-W for 7 bre. 6 96% ol TKh in the ppt.; this is dried mi cakimd MvWfurnUt&tMO'f"3hrs. TheTirAobtaituxi is dtu white and bw a covering power 3-4 titnts higher too than thatat whitelead or lithopow. A.A.ilodxomv goo too 0 AS*-ILA -#T&t&V#CKAL Lj?jjF,jRg tie 0 ev U n 0 'Ut Z~; Ir I T~n let, OA -o0 0 00 It 9 9 of it ri it m wo f% I It 41 $1 V!!MWIL (g. Kurgan-oblastuoy) I 6A 4 M- Certain definitions of chemical concepts. Xhim. v shkole 9 no.6: 70-72 N-D 254. (KRA 8: 1 ) (Chemistry-Study and teaching) 4 1 a 1 0 # IN if it 's W I (, it is m t, n n A A, 26 D 26 11 A A W 11 V Is 1. b -ji-A-A IL -.L m-P p 9 a I I It, W" A k t I I h V a j, c 4t u 41 - . . er,., bitir de"alts on thit, beam of -00 2 6, i I of the zapocoxhau flumidum i ('I m kil V kh J A 6 0; 11, '-so oz - - Ovs . 40 er . w . PP St 14), Fr 11) 15, 'it 45 .57, Al 2, S. Cat) I I -, inut C It, wrrv chlarinaltJ of 4411) ZAP' amiTiCh f0filli'll wild 'llod, "ll with thr YOM 95%, Oil the ri pre".Ill. Titallur"t 00 "Ilh II&A or IlfA). itat WH tifirtlivir laxall-ir It in-4"13 6% .0 111 00 l'iC. 'Me TsCl, We% gxlufed Into llp~Os VkI'It#,4 the .,In. 04% rVapt, at 160 2111), for c-lullfleir frill"%al W 04, 11c1, t1thl. with wst~r Aful hydriliy1r.1 at 1113 V f," cocularte retuoval of HCI. diki, with water and hydrolyzed - ' h oo e ppi. , brs.; yirtd W% of Ti(4 IV. T at IM S fur z was drivil at WW foir .1 his, Thr treth,xi it( hydt'llyst% in 11. S. piktcnt we% more advantage. 00 0 0 oin lot industrial purp-4. The Tio. obtaincid w" puti, i um whitr awl vaitahk for the pirep".01 hishirs(.5mifir litait 94 00 p white. Filght ictrtefic,". A. A Podgmay , 0 1~p 0A1 Sze 2 see zoo PeLl , . S L -IFTALLUPOCAL UI(RAT01 CLAIDIFICAMN 3 IF 9 , - It ' s a ZV p U af n 1 04 0 V 1 0 , l 0 0 1O 0 0 0 0 e e 000 IF 0 0 0 0 0 0 0 it 4 0 **sees* e s *0 000 P 4 ~ , 0 0 0 00 0 000 40 #$1 &g Iwo -ft"ej *0 saw#%#* AsS, "010,46141 NOW to I 00 '(FOIN-W-U. no bum Ile h"WW" ad 66& "M ad AM *6~W~ twAtW Of (at tubes (a a thermoStat was cattiatied kir a 00 - 0 _ =v A AJ 8. -!.VgWvt"#* K. kbvktg .1m. es C I volis. wa used, no degree of odmWian -fts dqtd. by J!, L,iquel', r. &W Cim. (U. 9. S. R.) It. 4-11: 'I. thraddIg the soln- with arid or alkall wilb Im by"ad so if (lie rivoith 11) (1V3 .-TICU, =. trychier'b"i"'if bbq as Indicator. NaOlf 10,078D 4) 01ol, N) K()II littrodtirvd Wtope latto. I -distd. Water 44 -3 (0,0MX"AM N). Ljoll foowio.otii A", 4110:1.41U)" -Ooi What itirrifto. It wit. was allowS4 a N) were d4owi*4 bts, , 7 r," *I, NOCI 1. %d' -16doys. dMW it room temp. In p--IWU d ep for It .00 TU Period for jht Coggujg(ion dtp ended - the Com - o' =1 N), N~ (11N) .1 (CoNs)t (t), I jV) wtiv .00 TIC16 in the out, (bus at 7,7% of T(Cli ft n# 41 days am ad means IiMrctls, the bear hVilml Wad I VMS Pieced an a Now 'IVIICI'm *OR !.i for 2o% I day. The Id fvrme~ 1. doe 00 stretched on a ffamet 40 WP- the violkauqw.. After 2-3 0.150 N RCOJ(and 0.142 N (C(hifli W"r not ediftf*d Sao e 0 was washed with distd. water for 2-3 days at all or my at adsorption at electroly-tet days. th I ions in the VAISh IMtW WSS I f the graerd nilet of adwgp- 000 Uatif the CW*ction for rt MW C with the dtanis alf,111.2c coo asc. Then the rel was dried at room tcop, tolloved by 'rhe a *0 a Ike! with betcrolmkr adwstwnts of " &Jxaractrt. =:t I IW for 4 bra, and finally In a mu'fA fur"" at admPtica of 60, and Nile was twrtortn"I Jim a volujactrie, in yuniunt. The art "talned 4.6% at MOMUM IMW Opp. txav4led wick an 0" Vacuum punip goo and Iwo 00 1 WA had a form ofwh1tv grains (114-2 tum.) which. beft ran utpump#. whirh petatitted resching a vd"Ufn ON drug Into wat r, bunt into am"- Venis' T-ty the order 10-0 mm. Hit. M sample of I-el drst was de. 06 of I lignio Sri - prepd. under vatious conditions 0 goo at 8D higher than the temp. ded"ti far the expt.. be that pretid. " sh- but w-bed twice Carl'"dirrs ::a 411 0 jum before 4rYin At 110% The oadW%- from 6_7 ;,~U, to Wj-410 in. a Ila, at 0. 42.5. 81 and If A" 3 1 goo tka tupts. area nusde in a test" 111CMdAt it I _ 130' for M and at 0 44 Al and 121' for NRo. T1w ti- titaula VI was placed In IPVCISAY dtl(Ped " tub"I"le Cd IdONW: We' 1.6 titnes to Inuch as the Ed 00 Conts. an electrolyte solo - am allowed to stay for 2-3 htv*mr -- by Nikitfu and Vurev (d. C. A. 24, M), 817h Wo 0 for sate. the get with water; then It was added to the Z; .54.3 times " much " that prrN. by Mosby (cf. C. A. n CW both faw* I A (laws as mucts as lbe'.4ilica-VI v VC(le"Ich AM Patrick (cf. C, A. 14. 1M0 and ~Issxr. am pglrkk (cf. v. A. 10, 1171)). 710 If"). -tbermsofadavoianal IICN sed Nif. whit Maria ed W 09TALLURZICAL 1.171119110111 CLASWKAIM the (am *9 the usual md. adsoWlee: trithatit diaJoslas 0 edsorptim. Data an tabakied, Six a,- A I $$law "is 01V d4t atom. A. A. Podowav or AV 40 U AS A. I a ad 0 0 0 W Is 2 a 4 3 0 9 1111-411 *00 a 0 0 GOROSHKO, D. (Kharlkov); IFVMVSKIT. V* (Kharlkov) Cintralized cutting out of leather goods for repair shops. Prom. koop. 12 no.7:6-7 JTl 156. (MIRA 11:8) I,Preduedatell pravlaniya oblbytpromsoyuza (for Goroshko). 2.Glavny7 Inzhener oblbytpromeo7usa (for Verkhovskiy). (Kharkov Province--Boots and shoes--Repairing) PISANKO, S.P. (Pysankap S.P.), kand.tekhn.nauk; MURGIA-YELORSA, N.A. (Marhia-Elarsa, N.A.J, kand.sellskokhoz.nauk; VFRKHOVSIKIY, V.M. (Vorkhovalkyi, VA], inzh. Using hydraulic drills in growing farm crops. Mekh. sill. hosp. 14 no.4t13-14 Ap 163. (MRA 16-10) KOKAROVY V. M. ', insh, ; -VEMMLOYS M--,,_V. M. p inzh, Mechanization of transportationp storage, amd placement of a=onia in the U. S. A.; a review. Zoemledelle 24 no.:12:80-82 D 162. (MIRA 16: 1) 1 (United States-A=onia as fertilizer) VXMOVSKIT, Y.M., Inzh. Machinery for the placement of liquid nitrogen fertilizers. Mekh. i elek.sote*sellkhoz. no.4:56-58 '57. (MIRA 12:4) 1. VoesoyuzW nauchno-losladovatellskiy institut mekhaalzateli sel'skogo khozyaystva. (Fertilizer spreaders) Illori-anic C'k -i-ry; tc.--tbool,; for VEMOVSKIY, VS.- [Technique and methodology of chemical experiments in school) Tokhaika i metodika khimicheskogo eksperimenta v shkole. Kooky&, Goa.uchebno-podagogicheekoe izd-vo Ministerstva proeveshchenita RSFSR. Vol. 1 (Apparatus, materials, work methods and deecrip- tion of experimental Pribory, materialy, nplemy raboty i opisanie opytov. Izd.5. 1953. 554 p. (MIRA 6-12) (Chomistry-Uperiments) - - ~ . I -- ---- - -.1 - 0 ~V-eOovWoq ,V. IT v " . I , 1 1 / 1 4~ - V2MOVSKIY, V.N. (Technique and methodology of chemical experiments in school] Tekhaika i metodika khimicheakogo eksperimenta Y shkole. Moskva, Goe.uchebno-podagogichaskoe izd-vo Ministerstva -Drosireshcheniia WFSR. Vol. I [Apparatus, materials, work methods and descrip- tion of experiments] Pribory, materialy, P-piemy raboty i opisanie opytov. Izd-5. 1953. 554 p. (KijtA 6:12) (Chemistry-Axperiments) verk"isItif ~ad, TtUuM4 t motodika ttthiil- schoor. 5th t-,f. Nrr"rovv. ljdltpl%fvu VMUCHOVSKIY, Vadin Nilaindrovich ........... (Techniques and nathods of chemical experinents In schools; a manual for teachers and students In teacharal coj.1ages] Tekhn1ka I matodika khimichookogo eksperimenta v shkole: posobie dlia prepodavatelei I studentov pedagogichoskikh VUZOV* Izd,6#, parer. I dop. Moskva, Goa.uchebno-pedagog. izd-vol 1959. (MIRA 13:1) (Chemistry--Experimonts) '.- Y, , . - '~ ' r r . 7 , - -r,_r ~- r t- ! , - - - ~ ! , ~ z - " I'Lf~:' *w T~ : I , , : . - . ~ ~ 1 -1 science Organic chemistry. Moskva, Gos. uchebno-pedagog. izd-vo, 1948. Monthly List of Russian Accessions, Library of Congress April -.~1952. Unclassified. ZBODZISRSKIA, I.I.-I ;;uT,(). tnKhri. Y~aijk; VI,,P-VIOV,-lQYp V-S., inzh. . .I I A. Temperature cn5 n,' heated paw-de for ocover~np of tridutst-tell. z;,;0dtngs. slwnil, 41 rj-~.1333-37 Ja 164. (MIRA 17s6) VERKHOVSKIY; V. V.-- 6783, Verkhovskiy,, V. V. Kiseleva, A. K. Kormovyye kulltury. Penza~ Kn. izd.p 1954. 87 j, a. ill. 20 sm. 3.000,ekz, I r. 15 k.- (55-2859) P 633-2/4(47.398) SO: Knishnaya Letopist No. 6, 1955 WILKHOVSKY, Yo3.T., AN701k)IIA, A.V.~ I'VOKHTIOLIN, R,A. Groupq for analy~-',nv 4 My IIV, 19, 3! 'L 1. Glavny-y ln-.b. 0-uziriby gignalizatsli --vy.-A Gorlkovak:)y dorcgi (fo7 Niv ~n7h. &sent-alizat!Bil, lb'o~.Irov~,` ivyiz-1 ~,iz-ikhn'cy ~iorog.:L `0r Antonova). 3. Starshly J-nzh. d3rozhnoy tseritralizatEI-n, -~ dorogi "fa-, Pakhtlozfni)a VERKHOVSKIYP Yu*N, Seventh Congress of the Medical Workers of Yaroslavl Province. Zdrav. Ros. Feder. 7 no.8:47 Ag 163. (11IRA 16:10) 1. Zavedu;yushchiy sektorom planirovaniya Yaroslavokogo oblast- nogo otdela zdravookhraneniya. (YAROSLAVL PROVINCE-PUBLIC HEALTH-CONGRESSES) VEMOVSKIT. Tu.N. Prospects for Taroslavi Province public bealth development in the period 1959-1965. Zdrev.Roa-fader. 3 no.1:14-16 Ja 159. (HIRA 12:2) 1. Is Taroslavskogo oblastnogo otdola sdravookhrananiya. (YAROSLAVL PROVINCE--PUBLIC HEAIIPH) vnimoysmy, Yu.N. (Yaroslavl,). Further extension of the rights of directors of public health agencies and institutims. Zdrave Roo. Feder. 2 no.8:9-11 Ag '58 (PUBLIC HEAME) (KIRA 11:10) VERKHOVSKIYJ YU*N* Sixth Congress of Medical Personnel of-Yaroslp-vl Province,- Zdrav. Roo. Feder. 5 no.6:42-43 Jo 161. (mIBk 14:6) (YAROSLAVL PR07INCE-MEDIGLL PERSMEL) VMHOVSKIYO YU.N. Yaroslavl Province Public Health Department welcomes youn spe ialists, Zdrav*Roa.Fader. 4 no.lls45 960. W13811) (YARcsiAn Pmau-mrsicims) tF7~ T-nn - - - - - - - - -- 11 : ~, , I,I .- - - Wrote about 1,1inistry of Automobile Transport of the P=SrZ W)S'rr9!!')YAYA o., Abstr-acted in USAF "Treasure Island", on file in Library of Congress, Air Inforo-ation Division., Report Mo. T.1 10 25h8 VMUTIOVShCY I.; ]UMM-11-11KOV V. 2 Conference on the outloo,~ for the over-all devulopment of Vie the transportatinn sy-tom. ,".vt.tranp. 30, no.10:31-34 0 161. 3j,: 10) (Tranuportation) Tm&03wffm.&v.; KHAN$ Bon.; GUSIKOTO KIM*; GUSHCHIN,, To.-P.; MOROZOVITe Deoxidation and alloying of steel by solid ferroalloys in 1EtddlsN#* ziul. tekh,-ekon. worm no 1::12-16 157. (NIR& 11t4) 0 9 1 (Steel-Ketallurgy) L 2-r,086-615 !Drl m) AMSSION NR MVIC-5V 71-1, VCr, 45 wr-,r*vi.nf, In t-~~p DTOdlit-tilor, of ~ ~ I ... ~, , I..--.,- r~ , t? ~ -~+ ~7 j;rl -- . I -I - - I ~ - r- - - . I I . I - I .. I I / CC-' V 0 rq / 00 1 / 0 17 Heating ingot heads by exothermic mixtures AC34/A1,-,_4 tures containing saltpeter are, therefore, batter tYwn tlv~oa made with fert!roxides (smoking mixtures). Mixtures consisting or fcr,,(.-oedia aivi alirainl= have a high exothermic effect, but only when the aluminum nvri-t-iiii. ~s bAwoexi 10 - 2.0 %, while the high ferro-oxide content results in the foT-,.-,Atioux o~: Vaite. spotv. A suitable composition can be obtained with calcium silicat~-Y, d1apley-ing a hiF)t inflatratability both with ferro-oxides and saltpeter, thus th-.iy oan D--, riiaJe "non-.,;xokin~:,", while the high calcium silicate content maintain2 tlh,~ atmosphere which in turn prevents the formation of white spots. In ozkivr tr, the optirrm mathod of feeding t1v mix into the ingot head, it -w&s 1-at'roducedin one layer (as done in the zavod Serp I Molot = Sickle and aml in two laycrz (as In the Vitkovibskiy plantsl Abstrao"';er's 12GLng thn mix- tures of these two plants (70fP20C - 70F20S r~--d 35FI!~)K_vs). A better maorostructure was obtained by applying the mix 12) two layer.3. In the subsequent tests only this method was used therefore. the ingot he&I to 18% when using exothermic heating increases the numb~er of viu-tikin defects. Thn head should therefore not be more than 13%. In orier. to define the opti7mm Ghape of the ingot head, four Inserts were tested: a one with a volume of 12.5% ("A", on a 700 k9 ingot) and three isquarc i_xi;v~rt!t (114311, "C", IV, on 3.5 ton Card 2/ 7 3/13V61/000/007/001/017 Heating Ingot heads by exothermic mixtures A05VA129 ingots) with volumes of 13%, ;3.4%, and 13.5%, h--ving a conicity cf 10.5, 18.5 and 24%, respectively. The optimum chemical hoaiog-"nue-lty in the metal was obtained %tth the square insert having 10.5% conicity. In om,3-:iz to s*,leat the optimum heat-in- sulatIng substance, ash-drift, cupola-furnace ash, goaVhite, lime and mica flakes were tested. Their Analysis (table 4) showa o-r.',eet of the heat-insulat- Ing material depends, besides its actual irLault-tb-;_' uappaitly, also on the ingot weight. In large ingots the beat effect was o".t-0A-_,Sd with ash, graphite and eupo- la-furnaoe ash, (i.e. substances with a low hep-t and low density). The smaller the ingot-weight, the less impo:.~a.~ec 13 the irizulatir% substance, be- cause the solidification period of the ingot" is as long as the heat-insulai~- Ing substance remains active. In spite of thif,,, irm-ziatius naterlals should also be used in these ingots, because they Improv^ the el"J'sot", of the saotheiviia mix- ture. The ohomical effect of heat-Insulating mab-,tp--joes was date:rmined by the dis- tribution of 0, P, S and Si in templates and i;i 1~41e. These tests were made with graphite (Cs 89%), ash (Cs 45%) and sand. M~Oiest C and Si-liquation was found for ingots in which sand was used. When ths mix is applied in a double- layer, at least 1.5 - 2.0 kg,/t exothermic m:Lx Shr,,v-.7.d 'be uso-,d for 3.0 - 3.5 t ingolts and 1.0 - 1.5 ka/t for 0.7 t ingots, while ash e'v-j~Lld 'be used in an amount of 1,0 - .. 1,a ml7turas was measured by the 1.5 kg/t. The effect of the 11 selected exqthellr Card 3/7 Heating.ingot heads by exothermic mixtures S/133/61/DOO/W,1/001/017 A(Y541AI29 duration of their burning and their pyrometrio properties (Table 7). Aoc~ording to these -parameters exothermic mixes can be divido-i into 4 groups j 1) J7 14 (1,14) and J128Y (L28U) types, containing crushed charcoal ,zA coke duff. They do not display visible pyrometric effect, and have a fair17 heat-inaulating capacit:r. 2) 15CK15C (15SK15S) burns brightly and quickly 1;A_,'. is not more effi.cient thim type 1) mainly because it is employed in combinatirj-~i with ash. 3) 15AI5C'2 (15j%15S2) and 15A1533 are the least efficient, while 4) 15A153,, 70F-203 and 500