SCIENTIFIC ABSTRACT WEICHET, T. - WEIGLE, B.

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SCIENTIFIC ABSTRACT
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G kc H G CZECHOSLOVAKIA/Organic Chemistry Synthetic Organic G-2 Chemistry. Abs, Jour Ref Zhur Kaimiya, No 8., 1958, 25064 Author Kvita Vratislav, Wedchet Jaroslav inst Title New Method for the'Preparation of 5-Methyl-Cyclohexanedi- one-1,3 Orig Pub Chem. listY,1957,51, No 2, 380-381; Sb. chekhosl. khim. rabot, 1957, 22, No 3, lo64-lo65 Abstract To Na-malonic ester(from, 18 9 Na and 132.6 g malonic ester) are added, at 90' ancl within 45 minutes, 78 g pentene-2-one-4, after vhich the mixture is heated for 6 hours on a boiling water bath with 500 ml 18% aqueous N6011, to get 5-motliyl-cyclohexanedione-1,3 (I) in the form of the inonohydrate, Yield 70-5%~ MP 75-850- By re- crystallization of monohydrate from CHjCOOC4H6- is obta:L.;. ned the anhydrous 1. mp 126-12771- dioxime., ~T 1550- Card 1/2 CZECHOSLOVAKTA/Orgonic Chenistry Synthetic Organic G-2 Chemistry. Abs 07bur Ref Zhur Mimiya., No 8., 1958, 25084 Tn 6o% alcohol,, inthe presence of several drops of piperidine.. :1 reacts very.readily with aldehydes., to form, with j.1elds cf 85-95%. the corresponding alkyli- dene-bis-5-miathyl-cyclohexanediones-1,3p which have sharp melting points and can be used to Identif, alde- hydes. There have been prepared the derivatives of I with CH~CHO (mP III *-), CH.,CH--CHCHO (MP 178-), and vi7th 3,4,5-t~rimethoxy-b(inzaldehyde, ~T 1890. Card 2/2 CZECHOSLOVAP.'Ik G t C rt'.; r YOrganic. Chentistry. Natural Substances and 9ieir Synthetic Analogs -ur s. J,, if zim] - KUM., 110 51 .1-959, yo. 15543 ,ataor tchet, J.; Blaha, L.~ Kakae, B_ AAA t itl).t Tltlo~ lies in the Series of Vitamins X and E. In. 11 laration of 2,5,7,8-Tetrametbyl-2-(0_Carb- el ithyl)-6-OxychromaneandIthe Product of Crit; Pub-. Chemo lisi-7-P 195B, 52, No 4, 722-726 Abstract One of the final products of the exchange of 1-tocopherol-lactone 2-0-OXY-3-methyl-S-carb- oxynentyl)-3,5,6-tri-methylbenzoquinone (I), is obtained by a method analogous to the process of oxidation of tocopherols to tocopheryl qui- I nones - by oxidation of 2,5o7,8-tetramethyl-2- (B-carbovjethyl)-6-oxvchromane (II). The pro- d-hot is identical to the natural one according Country G Abs. J.-aur Ilef ;;hi,-- 30,dw,.. No 5, 1959, so. 15%3 Au thoi~ Cri3 Pub. Abstrac' to the ultraviolet spectran..By hydrogenation cont'do of the laotona of T-ethinYl-T-oxyvaleric acid with a Lindls;r,eatalyst.in C6H6 in the presenci of quinoline, lactone of -Y-vinyl-'Y-oxyvaleric acid. was obta;ned, with -yield of 90%, b.p. 89- 900/10 mm., n-OD 1.4525% Ihe produet, (5o04 g.) was heated for six hours with 9.1 g. of tri- methylbydroquinone in 86 ml. of OR C00H with 9.5 g. of ZnC12, 1.6 ml. of BF 3 etAerate and 8 ml. of (CH3C0)20 in an K2 atmosphere up to Card: 2/5 Country G C-,7. t 0 r-, U:ry J.:'U-- Pef Z121= Knim" No 5, 1959., No. 15543 instiLut. Titlo O.C. 1r-5 71 I~u A. lb s -~ ra e t110-12001, whereupon 7-7 of 2.5,7,8-tetra- contld.~ methyl-2-(P-ciirboxyetW.Li-6-acatoxyehromane was obtained, with ield of 60%, m.p. 1%~O (from CH OH), pK 5. ~0; it can also be obtained by ace;iatio-a of II. By boiling 15 g. of the unpurified pr,oduat in 200 ml. of CHIOH with 190 ml. of 2 :a, methanol solution of KOH for 25 minutes, II is obt-ained, with yield of 52%, m.p. 1730 (from diluted CH 3OH); methyl other obtained directly from the acetoxy deri- Card: 315 G - 92 Country G C -at or'.-O ry A bs. j olu rHof i;hur X);dm. JiD 5, 195% SO - 15;543 Au ~,ho r T Itle, :Orj,-, Pub. Abstract vative by boiling (three, hours) with 4 n. S contd. lution of foriialdehyde sulfuric &aid, with yiold of 66% M.P 9 0 (from diluted CHIOH) -A .3olution ofj q g: o~ Ce(S04)2-4H2O in Too ini. of water and .245 ml. of 11,SOk was added to 2.3 g. of XI in 150 ial. of CH OH and agitated for 15 minutes. kCter extraction"with other, ova- poration and :4eating for 15 minutes in a vacumi in an aqueous bath, I was obtained., m.p. 64.0 1 (from tither). The product Is characterized by 4/5 G I t CTfY Ref 22aur MAM., no 5, 1959: 15543 6 h 0 r inst itu r.. Titlo., OriS 2ul- Abatracit the reduationacetylation reaction: 0.8 g. of cont'd. I in 15 ral. of (CH306)20, 5 ml. of CH3COOH and 0.4 ml. of plp-idine were reduced by Zh to dis- coloration, the mixture was rapidly brought to,' a boil and poured onto ice. By shaking outs I the lactone d".acetate of 2-0-oxy-3-methyl-,5- I carbox-ypentyl)-3,,5,6-trimethylhydro&iinone wasi obtained in tile ethers m.p. 109-110 (from cyc~ lohexane-benzone, 4:1). Data on the ultraviolet and intrared j1pectra of the preparations ob- tained are gilren.-- J. Novar r d 515 Card:,. Country :CZECHOSLOVAK:CA G Cztc,,.-ory :organic Chamtstry. Natural Substances and Their Synthetio Analogs Abs. jour nef zhim - lWal., No 5, 1959P NO. 15W Au- ho r Blaha, L.; Woichet, J. T Itle :Studies in the Series of Vitamins K and E. V. Preparation c)f Mathylalkylethimlcarbinols ''with Great Aliphatic Residue Ori3 Pub. '-,Chem- listYs 1958,, 52, No 4o 753-755 Abstract By means of it thin suspension of KOH. In dibutA formal (I), the authors succeeded in condensiq acetylene with some methylalkylketonee with a long or branched chain. The carbinols obtained are not contizinated by the original ketone an contain very small quantitie's of glycols which appear durix4p, the reaction of C2K2 with two molecules of the ketone. Glycols can be trans- formed by a Imown method to the required car- binol,,. According to Bowman, R. E. (J., Chem. 1/5 country G C' a t 0 rr Ory f -)s- jaur Ref Zhuz' - Xbft.,, No 5~ 1959., No- 15542 "lut ho r, Titlo Ori!3 -Iub. Abstraet Soo., 1950, 322) or Karrer, P., et al. (Helv. cont'do Chims Acta, 1943, 26, 1741), the following alkylmotbylketonog are obtained (alkyl, b,p. in 'c./mm. ard n5uD are given): 4-methylboxa- d eoy 5; k,8,12-tri- 1 (11), 126-127/0-3 1.447 metbylbridecyl (111),,168-110/0.2, 1.4452; 4- methylpentadecene-3-yl-l (IV), :L27-12B/0-2.90 1.4c;60,; pente.decyl (V), 144/0.9p 49 dodecyl (VI)i 147-10/9, -s m-P. ; ~.8- dime thylnonyl (VII), 121-122/12, 1.4360; 4p8- Card: 215 G, 89 %JOLU-Itry G AbS. Jour Ref Zhurr bo 5., _1959j, No. 15-542 Author Title OrlS Pub. Abstract :dImethylnonadtene-3,7-Yl-1 (Vill), 127-130/12, cont'd. 1.4667; 4-methylpenetens-3-YI-1 (IX), 73/20, 1.4413. Ketone (0.116 mole) was added in drops to the reaction mixture Lobtained by malting .50 g'. of KOH (10-17% water) in 175 ml. of I at 120-14-00,, wlt~i dpontaneous chilling during vi- gorous mixing (or agitating) and by sat8rationi with acetylene for 1.5-2 hours at 70-80 and for another three hours at a temperature- from -80 to -100 with continuous supply of acety~- C:a d r Country G Catcat;ry Ref Zhur Nalat go. Ie No 5., 1959) Av t ho r Irl3titUt. TI-t1a Or4&C-5 Pub. the mIxture was saturated for an A-stract lene other cont'd. three hours with G2H2 at a temperature from -5' to -3o, Ei tl2en was left standin .nd _g for about 12 hours.at atemperature of 00, after uhiah It was deemposed with 100 ml, of ice water, and extracted with other; the ether extracts wero combined 0 neutralized by gaseous or solid-CO2:, dried# and subjected to distia- lation. In this-manner, the following alkylme- thylel;,61nylearbinols were obtained (alkyl, Card: G 90 Country Catc_vory Abs. J.-our aef Zhar. Malm., So 5, 1959, No - 15542 Au to hor 1113titlat. T "tlj Orl,, Pub. t yie.ld 0 20 Abstrac in b.p. in C./mm. and n D are gi- cont'd. ven): 11, 79, 129-131/0-1, 1 4575; 111, 77, 122-123/0-25, 1.4550; IV, 63: 124-127/6-1, 1.4657; V, 8_~ 139-141/0-5, m-P. 31-3201- VI, 80, 96-9f 0.2p -, ra.pe 20-220; VII, 71, 126-128/6, 1-4500; VIII, 68, 105-11011, 1-4-796; IX, 63, 87-89/12, 1-4595. Re-port IV, see Ref 2hur--Khim, 1158p 1461.-- j. kovar 515 CftT4 7 I roman y Wetch t Ild ti, miij Polvineth 0 ,iv' S., fa ' 3~~'Islfi 1 f UIVIk ISIA"n Uzern; M air. 911, jr 'o 3. Ty-aliFy-M-ydroquinotics with vijiyl hydroxy acidsi 1 p tones, 'or -esters givei,title coinWs, which show significant physiol. properties und are important intermediary products Iii the s~,fithesls of ~mcopljerols.- their analogs, or inctabo, lltcs~ Trimethylhydroqulaone (0 g.), 6 g. anhyd, ZnClij-', I ml. 13F, etherate, W nd . IACOIL nad 3 g. rvillyl-y-valero- f lactope Oil DO', tjj~,) 1.45-25) gently refluxed with stirring :In a N atra-4-4) hrs,i cooled, Ixtired into200 ml. Ice water, the mixt. extd i with Et2O the f t.0 exts. waslmd with 1-2%. aq~- Nat%O, soln., EL-ledi evnpd. it; vacue, the residue rniited I - 100 mi. N heated ozi'a water bath 20-- M th m n ir X atm.- the mixt. cooled, acidified with. I . 10 IICI to Ccniotiid. 400-200 mi, H%O added. and the c;~ttle 4i ni 16(-409 recrystd. (run% Uq cryst. roduct (S Off b~xyqthyl)-O-hydroxy- es -an 1), rn~ 173~4'. The: me procedure modified- ~r I I . I j imsidue Is lim" to 50-60* with 20 rul. that tj evalm, -its AcOH and. 10 mi. jpyridhie 2-4 firs. gi -5 g. crude & yield by heating Z2, g. 2,5,1',g-tetmt~ethyl-2-(karboxy- ethYI)-&acctoxych6rnan', (mA52-4*) With 20 mLAN MEOH141350, on at'bolling min bath 3 lim, in. OP (60%, MOIL). 1(2.36 !,)Iu~lbojid.mcOH511alkenwittigg. I )d - ives on H O d 2 n l d 411 i i C 0 (SO ~ LC . m an i . c e . e . g s 4 1 n I - 1-r 'A i ~ f2 h i ih d 3 ll bft (3 - - )- -n y- toni ro e a ,o ow s crysta ccp Ye y y -6,&triwethiiIbcnzoquInone m. 113-4 . X carboxypentyl)-3. .2;WX 101.:, L. 711 COUNTRY Czuchoslovalia G-3 CATEGORI ABS. JOUR. IRZXhiift. 3 AUTHOR TUST. ii-, !-t~ernin-'E --nd 711. TITLE ~ ,I - %I -I na.rat 111. cri ol.7' ~lethyl-Alk-il-Ethin~'yl.carb-'-'n--ls cor~t-a .ning a I.Gng lpha t le A-ld I.Ci 1 ORIG. FUB- 21,., j0 t.B3TRACT go ar "7- W041 TRY .1 Czechoslovakia G-3 AM. JOUR. RZKhlasp NO* 5 1960j. NO* 17999 AUVOR Blz;ha, L., and Kakac, B. IMT, I -Not Eiven TITLE S~ Investigation of the Vitamin Y, and E Group. Ill. The Preparation of.2,5,?,8-Tetramethyl-2-( A car- boxylethyl.)-6-hrdroxychromane and Its Oxidation 0 3 Collection Czechoslov Chem Commun, 24, No 5, 1689- (1951; AB37111RACT :See RZhKhi.m, 1959, No 5, 15543- Product. 194 -BLWAq Lo; WEICHETt J.; ZVAr.EK,, J.; SMOLIK, S.; XAKACp B. Synthetic experiments in 'the groap of hypotensive alkaloids. VII. rreparation of (1-)-deserpldine and (+)-i3odeserpidine. CoILI Cz Chem 25 no.1:237-244.Ja 160. (EW 9:12) .1. Forschung3institut fur Pharmazie und Biochemie, Prag. (Alkaloids) (Hypotension) (Deserpidine) -(Isodeserpiftne) 1. Forachungsinstitut rur Parmazle und Blochemie Prag. (VITAMIN K) (VITAND E) (VITAMN Kj) VT r I.- jig w t3 .-VP, 1111019 P~ v A FIE N 0 ,a t_p- ~11 P_ 0 &W., - 'TJC 0- - - 6 0 0 0 is 0 0 0 0 0 0 0 0 0 0 VW -4* 3 It Jr! it 'i x it jj m m ki u v a N 4; 41 tj 1, 44 x 11 it D J4 h A 'j- -t J I .11-A u J I '0144sil A..; #m;z#kWI'qt 'Not. Vio)f chloride so 'A vv Ei tr-MA F-V~ Z-' j Weich1w-rz. Hung. im.tzl, Sk-pt. 15 194 1, 6 iii: rtliiidi I ICI in the prewnev 00 o(a thmildvor a fluoillicule ofinty turLdrumpt alkaliand alk. earth. Or- a vulxt.~ Of the:W S.1111A. 41 SiO, gO jigf", is tr6led at 1.14' with a gas Loutf'. v(plist go yol. of Cill, and 11C1. UuchAngrd lict Is to -00 f washing with water, the Cas dried with Cac, =b 1lg-Cl1C11iqtxfiedbyctm11nj; arnples are given oil" 07 he uW Old catal"t Olactir.11(41 C 1-00 C11 flunsilk A, alyst Lmusintillit I%( to. and It exit. ~Ifqjfensiufl 0( At ducsilicate. l0vin FinAly 0481 Iowa zoo cog zoo we a t:0 0 j 41 PO Of; It of It it 0-000 oie 0 So 0 066 0 0 0 .0 .. .1 1:2.044 0"o: G*. 9.4 0 W~ 0 tlgi g lp .0 a 6j] 0. -6-4 0 046-0 0:0 000 * 0 0'*a ~i - ------ ------ until the VH vahn is 3.0, the sain. cof 15 puts polyvinyl SIC. July 15. 11149. U-atber wastes are disintegrated, v*;ed -in and or alkali with rketrolyttv, e.g., t:hkxywntft. #lid , in too parts water is added. and the mist. is furtber dis- Interated to a homogeneous pulp. Now the 15 wt. wt. Is . The producl swrilecl, then ml%r4 with polyvinyl uk 40% HCHO Is added in small portlam under condttua~ hited to Icutha 61mrs toy adapted tannin g agents. prvawd" stirring and further trc-AW " under (1). (3) Muscle to %borti. lantird lonce snort! with tannin o r other vegelable wastes (40 parts) obtained at the cutting of raw skins. 291 1141111ing sirrIll. W1411fir) UldChyllft. 1 1) My WtUr w4birso (M) jurt.% Joy wt.),'prr-0fxssly orearin] to rcinove Cr P41b. use doinle-grided to a pulp with #Us) parts of waIrr of teatbtr wastes freed from Cr %afts, and M parts WU l iA d i and mixed with the Wn. of 11) parts of polyvinyl SIC, 31) n ared to a pu ntritorate "ther wastes freed front tann p JIM) part% nf water arid further disintegrated betwivol with rffl parts of water. The sasIn. of 2) rt4 VyVinyl t frolkd d h i f d r(Ale". The son. of 3 parts tannin CR. other vegetable tanning agent in 30 parts water 6 added in small porti. loss uf an e m xt. t Ale. in Wpotswater is adde 16 to;t homogeneous pulp and further treated as undcr (1) with continuous otirring, then the pulp it formed iito 1. F. sbetts an a fifter.or by centrifuging, pressed, and tanned jrc- (2) Chromium leather waste (40 parts) onceetwe . , vistooly treated to remove Cr salts. Is mixed up with 3.5 parts mouscle waste from treatment of raw skins. 5 ports 41 kathrr. fircriouslUrrated to remove lannin. are olls- Integrated Ina pulp wffb #20 paro ol water. 111CIls adled WISNIR, F.; ISNISTRA, C., dr.; ASOM SOLOMON, I., dr.; WBIDENM, R., dr. Protoolytic action of saw acidolactic bacteria. Rev. igiena microb. apidem.. Rucur. Tol-309-47 Ju1Y-SoPt 55- 1. Sectia do igiona alifflOntatiot a Institutulut. do igions, R, F. R. Bucuresti. (STRZ?TOCOCIIOUS lactio, protoolytic action in culture In milk. alone A with -rartaus strains of lactobacilli. (PRDT]IINS, metabolism proteolytic activity of Streptoc. lactis in culture in milk$'alone & with various Orains of lactobacilli. (LACTOBACILLUS protoolytic actimity of various straine,in culture in Milkv with Streptoe. lacti. 'MEIDENFELD, "i. and others. On t, e o' th:3 art cle '11 rob of Correct -'-he 1~riit Goods Industry." p. 168. INIDUSTRIA TEXTIU, Bu=rcati, Vol. 6, no -5, 11ay 1955. SO: Lis" of E--st European Acc:eszioris, L(;, Vol. 4j, no. 1C, i)ct- 10,55, Uncl. I WBIDUFUD. W. IDODU, At I .ACC NR, ~AP7006086. MY 6i6 SOURCE CODE: cz/0078/66/000/011/0026/0 INVENTOR: Weide !er-~ Prague); Vambera, Frantisek,(Engineer; - P~' nhoffer, Evzen (Engint Prag I ue); Pavlica Lubomir (Engineer; Prague), Samec' Narcis (Engineer; Prague) ORG* none [jet aircraft starter V.,lectrin contact) CZ'Pat. No..PV 3691-64 TITLE ~.SOURCE: :Vynalezy, no. 11, 1966j 26 arter electric contact, J~t aircraft, aircraft at -TOPIC TAGS: switching circuit V 6.0 *OE JMR rF0--,)FC/4r YS-41t -ABSTRACT: Authors des6rtbe a stirter-electric-contact for automatic starting of jet 4ircraft,.,pattiCularly.-:milita crafi:, which is powered by alternating current but ry , suppliesdirect. current to'both theimarter and the on-board electric network. It actuallycomprises two rectifter braaches (main and auxiliary) each being equipped with a transformer and a semiconductDr rectifier, also with remote controlled con- tacts and relays so arranged that the primary coil of the main transformer when at Vrest position is disconnected1from the power circuit by switching contacts, and the converter primary coil Is connected to the main-rectifier output through another con-! .,tact and rest contacts...The primary coil of the auxiliary three-phase transformer at rest position to disconnected fr(o,the.supply 'circuit by another contact and the first relay kicked down to the output of the auxiliary rectifier to connected in- to the switching control circuit, tis which there to a switch controlled by the air- L-Card i lc-,A/ TIYI~4-1~:- r'. CZ13CIfOSLOVAKIA/Physical Chomistry Kincticai Combustion. B-9 Explosions. Topochemistryi Catalysis. Abe Jour Ref Zhur - Khimiya, No 8., 1�58, 24216 Author Benes, J., WeidenthUer, P!L-I Inst Title Mechanism of Reaction- of Dichlorodiethyl Sulfide with Sodium Thiosu~Lfhte. Orig Pub Chem- zvesti, 1957, 11, No 6, 324-329 Abstract Study of the effectF of dielectric constant and ionic force on velocity of' the reaction of dicUorodiethyl sulfide (1) with NaS203- Change in the velocity of this reaction on chsnge of dielectric constant and ionic force, shows that the stage wbich determines the velocity of the process is the dissociation of I. Card 1/1 CZECHOSLOVAKIA / Physiceil Chemistry. Crystals. Abs Tour: Ref Zhur.-KhiruJ.ya, No 23, 1958, 76426. Author Stehlik, B. and Weidenthaler, P. 'Inst Not given. Title Synthesis of the Compound (NH4) SrCl from Powder Starting Materials and Iis Cr~stal Structure. Orig Pub: Chem Zvesti, 1.2, No 4, 197-200 (1958) (in Czech with summaries in German and Russian) . Abstract: The salt (NH4) SrCl was detected by x-ray an- alysis ill mixt'ares Sf powdered ammonium chlor- ide and SrCl2 on heating to 2000. The cubic lattice constant was found to be 7.15A; space group 1 43. The position of atoms was estab- lished by geometric analyses as follows: Sr at 2 (a), Cl at EI (c), and NHE statistically at 6 (b). Card 1/1 18 B-5 CZECHOSLOVAKIA/Solid State Physioe Strubtural Cryatallography E-4 Abs Jour Rof Zhur Fizika, No 121 1958, No 2746o, tlutho~r Stchlik Blahoslav, Wo'Ldenthalor Pavel . ........ Inst Not Given Title Crystalline Structure of Silver Oxide. Orig Pub : Chem. listy, 1958, 52, No 3, 4o2-4o4 Abstract : AgO has a structure oT the typo ZnS with a lattice paramtor 4.816 + 0-003 L- Card 1/1 z- k J 7 zm -7- Cz ya' lud' jindll( -lach'- (V9jeusli ninal Avei L ghl . ' .to, a pOILOO 1116 g - m vIer. 4, 30ZGU0581.v:_TUT~Ynig ite, pfroxyw1fati' ' linpu uotlde of As Q, istentW~t'Ak-.03:~ontg,'s4e~ yft l I as -As sutiiildeoin It the - ; gait, For; A 0,' per ipg. A DOJ Wdel, ldirfii 6 cuble lavice ia'struture. lp OuggOtOd III dmetry 0,4-T4m vvhi je the At a toms luive tM 4b t a Byr sittion and the 0 koms the OCOosition. -The value of Use - d- 4 ; an 4.904 * 0.00 t. 116 bia en theAlMo ice conis we 'A Z:6-0.10W -,the limacrif the viluw Is reLited to the' I CZECHOSLOVAM/Solid State Physics - Structural CrystaUogrpphY. E Abs Jour Ref Zhur Fizika, ?b 4, 19601 8671 Autbor nthaler, P. Stehlik, B., Welde. mat ~11:; Title Crystal Structureof the Oxide of Divalent Silver Orig Pub Collect. czechosl.- chem. Comums, 1959, 24, No 5o 1416-1419 Abstract Translated from Mem. listy, 1958, 52, 402- Card 1/1 6Z Orig Collect. czechosl- chem. Co=uns, 1959, 24, No 5, 1581-1588, Abstract Translated form Chem. listY 1958, 52~ 2230- Card 1/1 I A L C, -L -f - f, r- L Irn 0 -*0 l 00 10291umscO. FRrWWJAQL- Ifun Au IS -06 , s. g. , Acimil,ijad of oil ue4trif allot C14c himax I dfi l h , s Spo ci . T e c1lar , Se k It CUM undvr gat of W l i ( ivat lig x1ol Ckv. lititinx is applied astly oftir the %lag is rmoyrd. -00 00 oe Oftww :LAISIPICA110! ,- - - - - - -Vt- -4-7 _ - i 5 37 7A 0 T ~ i ~i i li-~If 9 V K alt-l( X)4134 1". 0 0 i 4 000 0 COUNTRY 11,13 C A T E GO RY AB3. JOUR AZI him.. AUTHOR i.F 1 E, TI%T.*3T. T ITLE. e c t r ~ a- 1Dolomite Block Ncw 1-'at.Erial for 6te--el-l-.aking F-ul-nuccs I!-~ PUB. K'chasz,. lar-oki ir5cy, !I,, NO 52 205-210 I.B!3TRA(IT No uU.;tract CARD, al~ 40591 3/137/62/000/0W/046/065 AOO6/A10l 0. -AUTHOR: Weikl,,Ern8 TITLE: -High-speed steel -na-1, 14#itallurglya, no.-S, 1962, 82, abstract 81518 P PM110DIC.A. Referativriyy zhut (Gycrsac4`l,,Hungarian Patent no. 1485650*.October 31, 1961) TEXT:- Steel of the,following ~,.omposition-is presented; (in %) C 1.2 - 2.0, (Optimum C content 1.3 - 1.6), w 1.o.- 4.o (1-5 - 2.5); Mo 2.0 - 5.0'(2-5 - 3-5), 5.3 (4.0 -.4-5); N 4.5 .5 (4.8 - 5.2), Cr 2.0 Co I - 12 (2-5 - 5.0) may be added. The proposed steel assures aa efficiency analogous to that of steel with 18% w,.4% cr, 1% V, 1% Mo, but has higher strength and wean resistance. Pressure working of the steel Is performed at 900 - 1,100OC'with subsequent slow cooling. The blank produced is subjected to softening annealing for 3-*- 4 hours at 8300C with slow cooling. The tool-manufactured is slowly heated to 8000C and trans- .ferred-into a furnace with shielding atmosphere at 1,2800C. Quenching from this temperature is performed in oil or with air blast; triple tempering is then carried cut at.58oOc for 3 hours with cooling in oil. RC of the instrument is 62 - 64. -1 .1 V. Zhuravska, [Abstracter's note: Complete translation3 'Card 1/1 SOURCE: Kolhazzati lapok, no. 3, 11)66, 220-124 TOPIC TAGS: metallurgic 9brnace, riechanical engineering, Industrial management ABSTRACT; The gunning (torqaettinj;) of the liningto metallurgical furnaces was discussed on.the basis of experiennea reported abroad. It was 3hown that significant economies may be realized by introihicing this tecbnique in Hungary. Some foreign equipment employed in the gunning process was discussed and the application of sucht(,-' equipment to various industrial ft.-naces was described. The aavantages of the gunning technique were discussed. Orig. art. hast 4 figures and 2 tables. fJFRSt 36,WT CODE: 23 03 SUMI DMEs none, Card IL11 HLG, uDct 669,162,gS609,183,212 u CHORAZAK, Tadeuss; KAMIKqSKI.Jvssf; WSIGL... Wlktor., 4J, - Dermatopbytogin of the feet-as a professlowa disease of miners. Prsegl.der.-Warsvi 5-no.W23-133 Mar-Apr '55, 1. Z Xlinlki Dermatologiesnej Slasklej A.M. w Zabrsu. Djrektor: prof. dr T. Chorazek. (RINGWOFlM foot occup.dis. in miners) (700T, diseases ringworm. occmo.dis. in miners) (MINING rinVorm of feitt as occup.dis. in miners)