SCIENTIFIC ABSTRACT MARTYNOV, N.P. - MARTYNOVA, E.N.

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December 31, 1967
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SCIENTIFIC ABSTRACT
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266M Enrichment of U237 using the s/186/61/003/004/007/007 E037/EI19 Rsf-5: A.H.W. Aten, Jr., N.J. Beers, D.C. de Groot. J. Inorg. Nuel. Chem., Val-5, 159 (1958)). and U237 (Ref.6: A. Melander, H. Sratim, Phys. Rev., Vol 74, 709 (1948)). In the latter case solid uranyl malicaldehyde o-phenylenediamine was irradiated with fast neutrons.. left until all the U239 had decayed, and then dissolved in pyridine. The U237 in the resulting solution was adsorbed on charcoal and desorbed with ammonium carbonate. The authors obtained an enrichment of -500 and a u237 yield of 15-20%. The present authors chose an initial compound uranyl dibenzoyl methane which has a much lower tendency to hydrolize (Ref.": R.B. Duffield. M. Calvin. J. Am. Chem. Soc., Vol.68, 1129 (1946) and Ref.8. H. Goette, Angew,. Chem.. A, vol.6o. 1, 19 (1948)) (hydrolysis lowers the enrichment coefficient and the yield) than uranyl benzoylacatonate- the latter is considered by Starke (Ref.3) to give the beat results for U239. The uranyl dibenzoyl methane was prepared from uranyl acetate and dibenzoyl methane in methanol following the method described in Ref.9 (Rukovodstvo po preparativnoy neorganicheskoy khimii ,Handbook for prepara-..ive inorganic chemistry) (Pod. red.G-Brauera) Card 2/5 lzd~ 1L. M, (1956) 266o8 Enri-,hment of U237 using the ..... s/186/61/003/oo4/007/007 E037/E119 (Editor G. Brauer)). After recrystallisation the product zontained 34% uranium. Before irradiations it was purified with BaC03' 2-6 g of the uranyl dibenzoyl methane in a plexiglass cassette were irradiated in a 4low-voltage 14 MeV neutron generator (using the D(T,n)He reaction). The cassette was plaaed about 3 cm from the centre of a T-target, the irradiation time was 3-5 hours and intensity -10-11 neutrons per second. After irradiation the contents of the cassette were dissolved in 20 me a:~etone with the simultaneous addition of a suspension of 10 mg BaC03 in 0.6 mt H20. After mixing for 15 minutes the precipitate was separated by centrifuging and then it was washed with acetone. The BaC03 was dissolved in dilute HN03 and 0.1-0.2 mg of an Fe3* salt added to the solution. The uranium was precipitated on ferric hydroxide using C02-free ammonia. After washing with aqueous ammonia the hydroxide precipitate was dissolved in 0.5 mt conc. HN03. The resulting solution was a-counted on a Pt disc. The thin layer was then washed with conc. HN03 and the U237 purified by precipitating the uranium on 'I.Y -1 (KU-1) cation exchanger followed by washing with a Trilon B solution to remove the contaminating activity. Further purification was carried out Card 3/ 5 266(A Enrichment of u237 using the ..... S/186/61/003/004/007/007 E037/E119 on the anion exchanger -3Aa -10 (EDE-10) using an inorganic acid (HCI or HOW an eluant. The amount of u238 in the initial preparation was determined by weighing and in the U237 enriched sample by a-counting in a 23r ionisation chamber. The p-activity ef the U237 was measured using a standard torsion counter and standard targets for ~-counting were prepared by shaking 20 mg of ground U308 in alcohol and transferring the suspension to a paper filter. The u237 enriched preparation for the standard targets for the p-counting was diluted with uranium to 20 mg U308- For determination of the total U237 activity in the irradiated sample -200 mg was roasted to U308- The purity of the p-preparations was determined from their decay curves. To determine the of p-activity due to UXI and UX2 20 mg targets were prepared from non-irradiated U308. The same purification proc*dures were used for both Irradiated and non-irradiated samples. After subtracting the components due to UXI and UX2 from the overall decay curves, straight lines were obtained with .slope corresponding to the half life of U237 (6-7 days). The a:, .tivity of U237 at the moment irradiation ceased was used in the :.,alculation. In selecting the above optimum conditions for Card 4/5 26,608 Enri:hment of U237 using the ..... S/186/61/003/oo4/007/007 E037/E119 separating the uranium with BaCO3 the authors studied the effect of the amounts of water and BaC03 added to the uran 1 dibenzoyl methane atstont solution or, the amount of uranium and U2~7 solparated and also the effect of mixing time of the acetone solution and the aqueous suspension of BaC03. The method described above gives a 037 enrichment of -8%. Acknowledgments are expressed to Yu.A, Vasil7yev for carrying out the irradiations. There are 9 references (8 non-Soviet and I a translation in Russian from & non-Soviet publication). The English language references read an follows; Rof.l: L. Szilard, T.A. Chalmers, Nature, Vol-134, 462 (1934), Rtf.2s an in text above. Ref.53 an in text above. Ref.Et as in text above. SUBMITTED% July 2, 1960 [Abstrattor's Note: This is an abridged translation.] Card 5/c VLASOV, V.A.; VOYEVODIN, Ye.N.; LBOV, A,A.; MARTYNOV, N,P.; NITITIN, te.A.-, UTENKOV, G.G. Posaibll~:ty of maintaining low moisture i% glove boxes. Zav.lab. 29 no.5:586-588 163. (MIRA 16:5) (Rubber--Permeability) ")Ev"m,z WEIR ij a 1. A- _4 -a- L I 00 -00 17/ 00 a !.00 *O,t 00 zoo 99j. r *": r goo Fee -00 *of so* 04 1 Z69 00.1 Wes eel -99 os-, I F t AL I U- IV, t M ft. TO( L -SSIFK fIC. u Ss A. -0 it 41 K a 91 a It a n of al g. n I is CW 0 gARTYNOV.. N. V. t~ci~ at TbAw 4"-.0~60 Aug 1947 "Noree-"m Rail Transport for RvwFIn4 and. Sullft Im"r.114. V. Martynoy, AW, losotarewQ16. A. GoTm- A PP *Los V~ro~ NO 8 Diagrams end. charts relating to horme-dram rail transport. Diammeem conditions under vhIch horme- draim rail transport nust be used,, camstruotion of horse-drawn rail trammpoort,, use or horse-dram rail transport (charaoterlartics or larries), nothods or mahmizing hmlberlM vhen using rail transport. zc JL%b7 15GO A'u ...a r uw I I L :is ~'ound vi~lcw .f-rl-s with 'rhite A b -r,e tnur i L - -:3 Oms I e ssoms a_,-u~i I -I,' Lre ~:ink-c~D ' orE "I e 4 ne~,71ecteG . .1 on the bar c", 1, . A r a i r, C, t D au tiho r s i s c- f i I e n. C. I' i i ~ r eis r.., A .3 S A 2 C_ c - S r, 1 n--ra d c e c ea n F, 1 e f :-_-eS*,ry, ri (I- r; , c V A I 'ard; 1. --ihlite Allow Herl-USSR 2. Plants-USSR KCP,Nlljj-Vp A.N.; ZAYKIN, 1.D.; MAM'Y'lOV, Yu.A.; SKURATOV, Dosa~rp of the electrical enerprv supplied tD ',hc- c-C-orme-.er t'. bomb for ignition of substances. Zhur. flz. khim. 317 no.11. 2606-2608 N163. (MIRA 17;2) 1. Moskovskiy gosudarstvenny-y universitet imeni I,()monos,)v-r,. 120-5-6/35 AUTHORS: Samoylovich, D. M., Barinova, Ye.S., and Martynov,Yu.G. TITLE- Reduction of Distortions in Emulsion Layers DurIng Development and Fixing (Umen'shenlye iskazheni emul'- sionnykh sloyev prl fotograficheskoy obrabotke~ PERIODICAL: Pribory I Tekhnika Eksperimenta, 1957, No. 5, pp- 30-35 (USSR) ABSTRACT: The swelling of nuclear emulsions under different ronditions was studied and the results are given for the NIKFI-R emulsions. lt was found that in favourable conditions development (including the hot stage) cannot substantially deform the emulsion and that the distortion occurs mainly during fixing and subsequent washing. Curves of swelling versus various physical parameters are given. It Is shown that stripped emulsions developed without backing (such as glass) can be used for measuring mean angles due to multiple scattering of protons up to 500 MeV. There are 8 figures, 2 tables and 8 references, 3 of which are Slavic. SUBMITTED: March, 22, 1957~ AVAILABLE. Library of Congress Card 1/1 r MARTYNOy,~~~yy in7hener-markaheyder Possibility of mim-ng tne anchor towers of electric tranamission Lines. Ugoll 26 no.12--39-4-1 D t61. (YTRA V, :12, 1. Kombinat DaltDlovG. (EIPL' -- -inOS) 0C I - and mini-rg'. N - . -1. ~ . . I RYZHOV, P.A., Prof.; BOlAiCH-KOMPA'EYEM, V.I., Y-~. Pred4c*.Lng *,he fr-acl.-.~-ed E*Al~.P. ol :;re bcd'eE fn Dz:~4~ z!, ~,:! lzv.vys.ucheb.zav.; gor.zhur. 7 no.12i2l-24 to/.. W 1. Moskovskiy instltiit radloelektroniki I gorno~r yders~.,-)go dela. Rakomendevana kafedroy markshe, I 's R A I P: ~- ') Plektr-melii-~an~k!. 77 10 a U~ to 11 to 16 k a "..P- 'a- 11 to 27 a L M~ 14- ..-- fa sk..- ft 10 16 A It 0- It- wwb.20"d rq. "m 0..%..a&" almositas -f %h. ft&.01fl. Teall-l"Im, maglummUS ~d 23ow6rlml C..mmlmtluw Ilia. A. S. Pop" (TMIX), Ilm-, ACCESSION NR: AP4014632 S/0106/64/000/001/0017/0024 AUTHOR: Marty*nov, Yu. TITLE: Efficiency of utilization of communication channels in error -correcting information -trans mission systems SOURCE: Elel-trosvyaz', no. 1. 1964, 17-24 TOPIC TAGS: communication channel, information, information transmission, error correcting information transmission, communication channel utilization, communication channel efficiency ABSTRACT: A communication system in which repetition of the signal combina- tion is required whenever the receiver detects an error in the combination is theoretically analyzed. These two factors determine the efficiency of such a system: (a) the (m, n) code redundancy, where rn is the number of information- carrying binary elements and n is the length of the code word; (b) the quantity of information transmitted over the channels during the error -correcting process. One-way and two-way communication channels are considered. The author's Card 1/2 ACCMION NR: AP4014632 conclugiong aret (I) in one-way transmission systems, the reverse channel is used only for requesting corrections; hence, its utilization is very low; (2) in two-way transmission systems, both forward and reverse channels are equal and are utilized with a high efficiency; (3) The efficiency of the utilization of channels in both systems depends on the channel quality; it decreases with an inferior quality; the upper limit of efficiency attainable in a noise-free channel is deter- mined by the redundancy of the code used; (4) The efficiency of the channel utilization depends on the ratio of the channel-time lag to the code-word length; the efficiency is lower for higher ratios. Orig. art. has: 3 figures and 15 formulas. ASSOCIATION: none SUBMITTED: 19Apr63 DATE ACQ: 14Feb64 ENCL: 00 SUB CODE: CO NO REF SOV: 001 OTHER: 00 1 Cord 2/2 MARTMOV. Tu.U4..- Correlation of pro-Jivet cross sections on the basis of electric logging in western Baehikria. Vop.geol.vost.okr.Rus-platf. i rUzh. Urala. no.1:27-35 '58. (MIRA 12:4) (Bashkiria-Geology, Stratifraphic) MARMOV, YU.M. 11valuation of the productivity of local structures based on the It history of their formation as exemplified by Stalingrad Province in the right bank of the Volga Valley. Vop.geol.vost.okr.RuB.platf. i IUzh. Urala no.1:124-132 158. (KIRA 12:4) (Petroleum geology) (Gas, Natural--Geology) MARTYNCV, Yu.M. Formettlon ol 3tructures in the nortlv~rn zone -Z *-rJ- -: *. :- : diglocat.ions, Uch.zhp. SGU 74tl~i"J-Yfl 'bG . I ;,,A , , * Pon S+ructurAl ) A %SFRYIC 1v 0 v) hemistry - Gas analysis, Nitrogen.oxides FD-l Card 1/1 Pub. 50-18/18 Authors Zhavoronkov, N. M., Babkov, S. I., Martynav, Yu. M. Title Separate determination of nitrogen dioxide and nitrogen oxide in gase with the aid of potassium iodide solutions Periodical Khim. prom., No 1, 63, Jan-.Feb 1955 Abstract The authors make additional comments on a procedure described by them in Khimicheskaya Promyshlennost', No 7, 1954. 1(60/fflemistryl Card 1/1 i~ic' -a-c id Pub. 50 - 9/19 FD-966 Authors Zhavoronkov, N. M., Corr Mem Acad Sci USSR; Babkov, S. I. Martynov, Yu. M., Chernykh, G. N. ------- .WOW Title Investigation of the Absorption of Nitrogen Oxides wit. alkaline solu- tions in columns having a regularly distributed filling Periodical Xhim. prom., No 7, 419-423 (35-30, Oct-Nov 1954 Abstract Outline experimentally established relationships which can be used jr the design of industrial equipment for the absorption of nitrogen ox- ides at a high linear velocity of the gases containing these oxides. Describes the design of a horizontal absorber for that purpose. Four references, all USSR, 3 since 1940. Institutions: Physico-Chemical Institute imeni L. Ya. Karpov and Moscow Chemico- Technological Institute imeni D. I. Mendeleyev M,M~MCIV, Yu. As-irant "An investic ti-,;n of the Ab.~;or-tior: X.-netics of the C:~i(lez; of 3-n 'v,'ater and in Acuuous Solutions of :.'itric Acid." Cand Tech 3ci, ~:osco,-: CrIer of Denin ChemicotecMoloE:ical Inst Imeni D. I. Nenk-cleyev. 8 Doe 51. 29 :.0-1 Survey of Scientif ic and Technical Dissei-t.- tiomr, Def ended at US-R ':ichor Educational Institutions- S~': Sum. :*0. 521, 2 JI-R-1 55 Naclob. ad, kb- Mott 50 ).5(2) AUTHORS: -- Ma j X., Yakimenko, L. M., S~ Furman, A. A., Matveypv, M. A. TITLE: The Technology of the Production and Use of 14agne--lium -'hl-.r--'e for Defoliation (Tekhnologiya proizvodstva i primi--npnlye khlorat-magniyevykh defoliantov) PERIODICALt Khimicheskaya promyshlennost', 1958, Nr 7, pp 420-421 ~USSR) ABSTRACT: Mainly calcium cyanamide is used for artificial dolfoliation. In the cotton districts of the USSR irregular results were, however, obtained as the use of this substance depends on certain meteorological conditions. Among several preparations investigated the best results were obtained with magnesium chlorate. A comparative table of the experimental results With calcium cyanamide and magnesium chlorate for defoliation of cotton plants demonstrates that the effect of magnesium chlorati depends to a much lesser degree on temperature andmeteorologica -r~itions. The production possibilities of magnesium chlorate were studied, and it was found that favorable results are obtained after the reaction 2 NaClO + MgCl ---1Mg(:-'lG') +2NaC-' 3 2 2 Card 1,12 The.Technology of the Production and Use of SOV/64-56-7-9/18 Magnesium Chlorate for Defoliation if carried out in acetone. The purity of tre pro-.1--ic- ct"~aine4- depends on the amount of water present in the h'.gCl-. A I-urth~-:- I method that already can be used industrially consists in the fa,:-.t that srdiu-m chlorate is added to the fused Mgf"2 - ~"42 (Ref 112); thus a soIJd crystalline product is ob*:i'-neA'I. temperature is maintained at 110-1200 and special melting ciu.~ibles are used. To obtain a rea,~tion product with a rrinjmum melting-point of 450 "he ratio between magnesium chloride and sodium chlo-ate must be 1.3 - 1.4 . To produce one ton with 58% Mg(Clofl2 - 6H20 0.44 tons of sodium chlorate and 0.56 tons .-)f MgC12 96H20 are required. There are 2 figlires, 4 tables, and 12 references, ~ of which ar e S D-? + . Card 2/2 10(2) , AUTHORS: Zhavoronkov, N. M,, Corresponding sov,64-59-2-12/23 Nember, AS USSR, MaF~~nov-, Yul.-M.-,--, Candidate of Tecli-nical Sciences TITLE: Investigation of the Kinetics of the Absorption Process of Nitrogen Oxides in Water and Aqueous Solutions of Nitric Acid (Issledovaniye kinetiki protsessa absorbtsii okislov azota vodoy i vodnymi rastvorami azotnoy kisloty) PERIODICAL: Khimicheskaya promyshlennost', 1959, Nr 2, PP 150-155 (USSR) ABSTRACT: In the present paper previous experiments (Ref 1) were continued. The absorption process took place in a tube (diameter 10.2 mm, length I m,in the case of some experiments 0.5 m and 0.3 m), which was placed in a thermostat. The liquid and gas flow were measured by means of a rheometer. The gas phase was analyzed according to the method already described (Ref 1). Since the components which are absorbed (NO 2 or N 204f ) have not yet been determined, all computatio 0 or NO + NO N 2 2 3 were made with respect to NO 2 and N20 3' It was found that the Card 1/3 absorption process is retarded with NO 2 of relatively weak investigation of the Kinetics of the Absorption sov/64-59-2-12/23 Process of Nitrogen Oxides in Water and Aqueous Solutions of Nitric Acid concentration (Fig 1) and the absorption rate depends on the NO 2- concentration and temperature. It is, however, independent of the velocity of gas flow (kinetic range) while at higher NO 2- concentrations the rate of the absorption process also depends on the velocity of gas flow (Fig 2) (hydrodynamic range), The transition from the kinetic to the hydrodynamic range takes place at a certain NO 2- concentration (different for the different flow velocity),i. e. the concentration of L the dynamic equilibrium. The absorption of NO 2 in 39-57% nitric acid differs from that in water and alkaline liquids by the fact that no kinetic course of reaction can be observed and that in the concentration of a dynamic equilibrium of NO2 (proportional to the concentration of nitric acid in which it is absorbed) the process is interrupted (Figs 8-10)~ If the NO2 content in the gas exceeds considerably that of NO, mainly Card 2/3 NO2 is absorbed, in the reverse case N 203 (or NO + NO 2) Investigation of the Kinetics of the Absorption sov/64-59-2-12/23 Process of Nitrogen Oxides in Water and Aqueous Solutions of Witric Acid absorption predominates. Comparative investigations showed that N203 is absorbed 1.4 times more rapidly than NO2 (in the hydrodynamic range) under equal conditions. In water and alkaline solutions V203- absorption is directly proportional to the NO + NO 2- concentration in gas without the occurrence of kinetic absorption (Figs 11, 12). An increase of temperature from 200 to 500 reduces the rate of NO 2 and N.0 3- absorption ~n the hydrodynamic range) by 1.9 times. There are 14 figures and 9 referenues, 5 of which are Soviet. Card 3/3 S/136/61/ooo/oo8/oo3/005 E021/E180 AUTHORS: Chernyayev, V.N., Krapukhin, V.V., and Martynov, Yu.M. TITLE: The purification of silicon tetrachloride by redistillation PERIODICAL: Tevetnyye metally, 1961, No.8, PP. 56-59 TEXT: In the production of silicon, the purification of halide compounds is very important. An investigation has been carried out into the fractional distillation of silicon tetrachloride, with a view to removing other chloride compounds, The coefficients of separation (ratio of the components in the distillate) of halide compounds of silicon and of potential impurities were calculated and experimentally determined, and are given in Table 1. Redistillation experiments were carried out using glass columns containing a varying number of plates (15, 25 an,d 40) with different efficiencies (11.5, 20 and 31); the afficiencies were determined by separating standard mixtures of benzene and carbon tetrachloride. The results are given in Table They show that this method can be used for removing non-polar and slightly polar compounds but not highly polar impurities (Fe, Al and Ca). Card 1/ 6 The purification of silicon ..... S/136/61/000/008/003/005 E021/E180 There are 2 tables and 10 references; 8 Soviet and 2 English. The English language references read as follows: Ref.l: G. Martin. J. Chem. Soc., 1914, 105, 2836. Ref.5: J.H. Hildebrand, R.L. Scott, The Solubility of Nonelectrolytes. N.-J., 1950. Card 2/6 AUTHORSi y T I T L'--'. PERIODICAL. TEXT; Th- ,I r C, f enrichajei.' 1~ I , ! , :.f W t, T t C -I I DL- te r:~b d i s"A L; t i a s c. , ~ I F., ~: the rc-.i u~- m, i exam I f,f- WiTil 1~, I n t 1, C, 2 time ( f ez;, Era P11.1 1,aE7;3I u S e dA Ti , Pt Ta En Since the con-ent,:a, obta3,ned by (a,, and SiO d r y i n E 2 required f:.- If.e f 3.:i by simple listillation of 1 -.7 A" of the Folev--411,Dv zavod , P3-evsk-,; Card 2/7 25634 1 S/012/61/027/007/004/012 betermination of metal impurities in ... B110/B203 concentrated on a carbon collector with SiCl 4 evaporation. The reference samples were prepared according to (b). The 50-m9 sample was placed in a Pt crucible in a chamber through which dry N was blown at a rate of .2 2-3 1/min (Fig.). The SiCl 4 amount poured in through the up ,per pipette tube was evaporated in the crucible. The results obtained (Table 3) give higher concentrations of impurities than by the hydrofluoric acid method. Table 4 shows that.an increase in the amount'of SiCl 4 evaporated does not cause an increase in concentration of impurities. Therefore, concen-tration proceeds as a result of sorption of these impurities. Thus', the so~ptive power of I-he carbon-du~t is of importance. Table 5 shows the mean results of ":'-fold SiCl4analysis by the evaporation method. There are 1 figure, 5 tables, and 1 non-Soviet-bloc reference. The reference to the English-lang-uage publication beads ds followst Ref. It L. H. Ahrens. Quantitative Spectrochemical Analysis,of,Silicates (1950). Card 3/7 ORLYANDSKAYA, 1. 1. Solubility of the chlorides of aluminum and iron in silicon tetrachloride. Zhur. neorg. khim. 8 no.691539-1542 Jo 163. (MIRA 16%6) (Aluminum chloride) (Iron chlorides) (Silicon chlorides) -0 01 EYDMAN, I.Ye.; MARTYNOV, Yu.M. Evaluation of the oil and gas potentials of Paleozoic carbcnate reservoir rocks as revealed by a study in the Volga Va,-ley portion of Saratov Province. Trudy NVNIIGG no.1:137-141, 164. (1~1 F-A 1F: t, MARTYNOV, Y-u.M.; KI:RLYANDSKAYA , 1. 17 . ; KPFYNGOL'!,, Ye.A. SoLibil' ty of copper c,.-orides in silicon tetrach~orijc . 7-,,-r. L - - neorg. k~-dm. ~, no.10-.2297-1'298 C 164. OC FA 17: 1- , . i~! ,- z I - =o. -,I-, ~- ~ ~ lIng"a a&.': : j~ _ . : ~ ~~-: 11, -:~ KITP!,YANDSKAYP 9 .- ~ ~, -~. i~ V , ~ u, M ~ of ;- " 5 :~-- , ~ ~ - h~-,- , , z, k-hjjn, ?s r., .,. - ~~ T, , ti. . , li. -, - -,.., j~ i-4105- ilia lb IS m~-, tAAUOAZ.~~' '11~ , ''-- - L ~--:-7 --: '~ --, -:-*--.-. --' 'o-- K-M,~- . -- ., - ~ -: ~ ~-. .:. , MARTYNOV, Yu.M.; SYMINA, I.G. V-1 -- ~ I , - Solubility of ferric chloride and antimony trichloride in Ccl 49 S'C'40 snCl 4* Zhur.neorg.khim. 10 no.4:943-945 Ap 165, (MIRA 18#6) ACC Me AP60DOISI SOURCE ODE: UR/0032/65/031/012/1447/1447 AVMR*- wt v Yu. N.; Kreynaoild, Ye. A.; Ngevska _ya, S. ORO: none Tim.: Determilmation of microquentities of _co jMen in silicon tetrachloride SOURCE: Zavodakaya laborateriya, v. 31, no. 12, 1~65, 1447 TOPIC TAGS.- microchenical analysis, silicon, copper, luminescent material ABSTRACT: The spectral analysis and luminescence methods for determining microquant ties of copper in silicon tetrachloride are compared. Authors recapitulate previous ly published data on the two methods andTnelude that while both methods permit the determination of 1-10 6% microquantities f copper in a 50 g batch, the error in the lumi scenes method is 10 times less than in the spectral method (see table). Best results were obt-Ined by the luminescence determinations in the concentration range 5 x 10 6 to 5 x-10-6 copper. Orig..art. has: 1 table. cwd 1/2 L 3.2925-66 14KI Arbuuulul Analysis of silicon tetrachloride samples Spectral Luminescence Ccacentration Conclusions Conclusions Conditions Cu, wt coefficient Cu, wt coefficient of found of variation found variation 3A al. 4-10-6 25 4-10-6 3.5 SiC14 8-.10765 - 31 7-16-b 4.6 2 21 CCljj 7 4,10 30 3.10-7 5.0 0.2 al HF 2-10" 32 JL - 10- 5.5 35 al SiC14 10 al. CCl% 2 al HF SO CODE: 07/ a-ILO-0 SUB" DAIE: OD/ 36 7-10-6 ORIG IREr: 002/ 7.0 OTH REF: ODO T_ 10782-67 'BIT(m) T_,7T,7,-k-,,70 0 3 5 0 3 sbua= coDt,-.-'d,-z-/006/6 6 /o4o 160611355113-58 I., XAR7Y-,:OV, Yu. J~- -the Linear Region" of Adso,rption ~ro~ vol L~o, lo. 6, jun 66, pp 135-1358 A:~S,.RAOT: -L,-e dynan-ics of adsorption of A', C, CUCI 21 eoCl, BC1,, and TiCli,, fron. solutions in SiCl were studied at various thic'1,n)cs,-cs of the .;.ayer of adsorbent (SiO , rates of flow of t*lic ~,olutio;i ti-trou-h tl,o 2) adsorbent, and temperatures. It was establisliod ix, earlier work authors ',;-Lat the adsorption isotherms of AIM 3' C.,Icl,, and FeCl3 are linear in t1w i-A-Aole range of equilibrium concentrations i-4-ijac those of L->',I- and TiC', are linear up to concentrations of 1 X 10-3 4 L mass -Ine results obtained indicated that the li~iiiting staCe in the adsorption of t;,.Q chlor4,3-)3 from SiCl4 was apparently Inner diffusion. The effective coefficients of mass transfer and in adsorption from '."-lo solutions studies were determined. The coefficients of ixu-,cr diffusion were 17y 2-3 orders of ma~~nitude lower than those for molecular diffusion in licraids. Uie activation energies of im-icr dif:%sion were determined for Al C1 Y_ CUC122 and TiC14% The authors thank Professor A. A. Zhukhovitsay f r _3c,- iliu_ L 10782-67 ACC NR: AP7003503 interost in tl-iis work. Orig. art. nas: 4 fi~7c-ros, 4 2 -~azlcs. fi-pas; 38,9627 ORG: none TOPIC TAGS: adsorption, activation energy, physical diffusion SUB CODE; 07 SUBM DAWt 2OApr65 ORIG MF: 013 ~'ACC NR- AP-700?806 - - (N) SOU, R--CE -CODE:- - UR/oo8o/6?/o4-o/ooi/oi7a/o AUTHOi: Martynov, Yu. M.; Kurly--ndskaya, 1. 1.; Kreyngol'd, Ye. A. OIRG; none TITLE: Senaration factors in the indium trichloride - silicon tatrachlori'-~'a syst SOURCE: aurnal prikladnoy khimii, v. 40, no. 1, 1967, 1?8-180 TOPIC TAGS: indium compound silicon co-wpound, chloride, chemic-1 sc-oaration, ad sorption, silica gel ABSTRACT: The object of the work was to determine the behavior of indiun '-ricnlo during its adsorption on silica gel from a solution in silicon tetrachloride. A 41 at -23, 0, 20 and 400 made it 'Dos-sible study of the solubility of InC13 in S'C'4 determine the heat of solution, which was found to be 7840�% cal/mole. '-'~~asuro:r of the adsorption of InCl-, on silica gel at 0, 20 and 40* sh-owed the heat of adsc tion to be 7620�50 cal/mole. Calculation of the separation factors in the I-Cl-- 1SiCl systezii showed that the highest values for these factors are obtained durine Aa 6 crys -Ilization of 1nC131 but it is noted that this method should not be used to lower the concentration of this substance below the solubility limit at the free2 -.)oint of the mixture. The so-oaration facto~rs during adsorption are sufficiently io partait the use of adsorption for analytical or technological purposes. Orig. has; 2 figures, I table and 2 formulas. Cai,d 112 UDC: 541.123 ACC-NR:---AP7o0tL S VB CODE" 07/ SUZf DA'Z: 25March651 ORZG pEF: 004 31. T. MARTYNM, Yu.M.y 8YRXINA, I.G. Relation between solubility and adsorption of partiAlly soluble sub9tancas in a nonslectrolyte solution, Zhur, fit. khim. 39 no.31 584-587 W 165, (MRA 18:7) ZIFIAKOV, P.V.; KOLYCHEV, B.S.; KULI,-.HF.NX0, V.V.; MAFTYNOV, Yti.P. Heat relpase f--jT, highly radlioa:,tive aoild :n connect;cjn with th, c-roblem of their bu--ial and uti'.Iza'-!(n. Atom. energ. 18 rio.4:4"P-431 An 165. let.') pn; ;6~: -m ore ----: and'- m6re--,abii 7~ eve m A! Oimla on-. unds i3tB:. witht ~glass_pro n9 UG: -;Of:~ the cbarge-,, MPPTA I b6. tod6l v"ii:~ ent- -i", -a - tp. 6f be- - p m6n f ' 4d Al ra ,=,(V~., YI, M YU- S. -- "Blood Ve~-:qel 'reflexes and Ej,)t-ic GharpcterI*st,!c of the Brain mder CondJ tims of Einrur ted Bloo,! Circulpti-)n -'n +Ye, Y-rlln- Second Moscow St.-Ite inst imeni j. V. zatalir, -oscow, !-~56. (k-: Ft-,(-r+.atim for the DeFree of C~njidate -n -edlica' Sciences.) UMNAYA No. 41, October 1956 MARTYNOV, Yia. S. Cand Med Sci -- (diss) "The Vascular Reflexes V-0 and Biological Cirrents of the Encepha-lon-a-t- Disorders of OR Cerebral ZXM Blo~pd Circulation." (Second mos!~tate Medical Inst im,I. (KL, 17-57, 100~ Mos.. 1957. 14 pp 22 cm. V. Stalin), 200 copies - 72 - MARTYNOV. YU.S. Bioelectrical currents of the brain in focal cerebral disorders of vascular etiology. Zhur.nevr. i psikh. Supplement:4-c (MIRA 11:1) 1. Klinika nervnykh bolezney (dir. - prof. I.N.Filimonov) II Moskovskogo meditsinakogo institute imeni I.V.Stalins. (EIACTROPHYSIOLOGY) (BRAIN--BLOOD SUPPLY) MARTYIIOV, Yu. S. Pathogenesis of dynamic disorders of cerebral blood circulation. Vrach.delo nn.5:537 MY 1~7. (MLRA 10:8) 1. Kliniks nervnykh bolezney (zav. - prof. IA.Filimonov) Vtorogo moskovskogo maditsinskogo institute (nauchnyy ruk-ovoditell raboty prof. A.M.Grinahteyn) (BRAIN-DISFIASES) (BLOOD--CIRCULATIQN, DISORDARS OF) KARTTNOV, U.S. Disorders of vascular reflexes in cerebral hemorrhage and thrombosis. Sov.med. 21 no.5:66-71 MY 157- (KLRA 10:7) 1. Lz kliniki nervnykh bolazaey (dir. - prof. I-N-Filimonov) JI Koskovskogo meditelaskogo iastituta izent 13.5talins. (CXMRAL IMOLISM ABD THROMBOSIS. physiol. vaso. reflex funct.) (CEREBRAL HEMORRHAGE, physiol. same) (BLOOD VESSELS. physiol. reflex funct. in cerebral hemorrh. & thrombosis) MARTYBOV, YU.S. Dynamics of vascular reflexes in diBorders of cerebral circulation Cwith BUmmsz7 in French]. Zhur.nevr. i pBikh. 57 no-8:955-160 '57. (MIRA 10:11) 1. Ilinika nervnykh bolezney (dir. - rof. I-R-Filimonov) II Moskov- skogo meditainBkogo Instituta imeni l.V.Stalina (WWRAL EMBOLISM AND THROMBOSIS, physiology, vase. reflexes of cerebral circ. system (RUB)) (GAMRAL HEMORRHAGE, physiology. same) 4 ~I I ; -4,. I , . MAJUYNOVp Yus8e, kandemedensuk - - - , n the Presidium of the learned Council of the Ministry of Public Health of the R.S.F.S.R. Zdrev.-Ros Jeder. 2 no.2:39-40 F 159. (PUBLIC HEALTH) (MIRA 11:3) MARTYNOV, Yu.S. In the Presidium of tne Mp--4,Cal CoUnCil of the MinistrY of .;-ablic henlth of the A.S.F.R. Zdrqv.dos.lrpder. 2 no.1:40-42 Mr ';R. (nDICIIIE) (bill'u, I Kmi~~Y,Wk,, kRnd.med.nauk 4MEM"W"M In the Presidium of the Medicni Council of the Xinistr, of Public Henith of the R.S.F.S.R. Zdrav.Ros.Yeder. 2 no.5:35-37 My 159. (MIRA 11:5) (MLIC HUM) MARTYNOV, Yu.S. In the Presidium of the Medical. Council of the Ministry of Public Henlth of the R.S.F.S.R. ZdrAv.Roe.Feder. 2 no.6:3Q-40 Je 15R. (MMA 11: 5) (PUBLIC HEAIXH) KWYNCV. Yu.S.. kand.med.-muk , In the Presidlux of the Yedical Con= 11 of the Minlstr7 of ?lmblic Henlth if the Zdrav,RoR.Yeder. 2 no.7:43-44 J1158 (MIRA 11:7) (CARDIOVASCULAR SYS7M-DIS&ASES) (MBDIGAL RESEARCH) NARTYNOV, YU.S. -.1- - --,- -.- .1 - . In the presidium of the Medical Council of the Ministry of Public Health of the R.S.F.S.R. Zdrav.Roo.Ved. 2 Txo.9:41-43 B'58 (MIRA 110C (FOLIC HEALM) KARTYNOV, Yu.S. Illectrocardiography in hemorrhagic and thrombotic insultus summary in-French]. Zhur.nevr. i paikh. 28 no.9:1064-1069 (MIRA 1. Klinika nervnvkh bolezney (dir. prof. I.N. Filimonov) modit6inskogo instituta imeni N.I. Pirogova. (CEWRAL HMORPHAGE, physiol. (Rus)) (CERE RA IMBOLISM AND TEMOMBOSIS. physiol. in var. cerebral hemorrh. & thrombosis (MIACTROMMICEPRALOGRAPHYP same (Rua)) [with 158 11:11) II Moskovsko, KLRMOV. YU.S. Hffect of some drugs on the vascular reflexes in circulatory disorders of the brain. Vrach.delo no.2:127-1?9 7 '59. (MIRA 12:6) 1. Ilinika, ner-vn-.vkh bolezney (zav. - prof.A.M.GTinahteyn) lechobnogo fakullteta Vtorogo Moskovskogo meditainakogo instituta. (BA&IN-BLOW VESSRLS) (PH&RMCOLOGY) MARTYNOV, YU.S. On disorders of cerebral circulation folloving influenza. Zhur.nevr. I psikh. 59 no.10:1233-1239 159. (KRA 13:3) 1. Kliuika nervmykh bolezuey (zavediWashchiy kafedroy - prof. N.K. Bogolepov) II Moskovskogo meditsinskogo institute imeni N.I. Pirogova. (nuwzNzA compl.) (CXRXBRAL FJMFMHAGE etiol.) MARTYNOV, Yu.S. Asthenic stateo and vegetative dysfmctions developing in connection with a history of influenza. Zhur. nevr. i psikh. 60 no.11:1410- 1415 '60. (MIRA 14: 5) 1. K3Jmika nervnykh bolezney (dir. - prof. N.K.Bogolepov) II Moskovskogo meditsinskogo instituta imeni N.I.Pirogova. (INFLUENZA) (NERVOUS SYSTU4-DISEASES) MARTMICV, Yu. S. Peripheral narrow system ii Lnfluenza disordei-s. Zh. rf -r 7"; G 16- 3 1 1 ir-" psikhjat. KorsakoT 6) no.3,36c-f-376 (1,111RA 1. Kafedra nerv-.nykh b,~-Iezney ( zav. -prof. E.K.Bogolepo-) TT 14c)skovskogo meditsinBkogo instituta meni N.I.Pirogora. -MOT7NOVL YU.S. Morphological changes in the central and periFheral nervous system in experimental influenza. Vest. AWi SSSR 10, no.6z4~-46 '64. (MIRA 1824) 1. 11 Mockovskiy meditsinskiy Institut imeni Pirogova. PY Y u JO 164, Y-Z,. Sone proh,~mti -' '-re dn--4 - -I nfl"Ienzal c - -.,-i ~o, " i *.I-,- .'!~,.ur. nevr,. 1. O~', -r,.-' 321-327 ltc~ ( M -- ~:~ ; , '- ? - I- 1. K&fedra nf-vny-kr bol(lzptiy (zavfdiq,.,!sh0.!v - pr-f. Bogolepov) " moskovskogn mod"taInskogr" "M. MARMIOVA, A.A., inzE., aspiramtka Calculation for breaking, strength of a)rn-.hetic in-i fabrdc. Tekst. prom. 24 no.P:611-69 Ag 164. (MIKA 1":10) 1. Kafedra tkachest-ia Moskovskogo tekstillnogo ar;Ft"tuta. MARMOVA, A. 1. ; NIKOLAYEVA, T. 1. ; KULk'-INA, 0. "Mecrianical Translati--. rit ',,,ie Academy nee-; Paper presented at the Int"I ror IS*-gridards e).,. a Searching and Trarislatio,,,, Clew~`nnd, Ohi,), Sf~P )~O. (Paper presented bv 3 - MMOVA, A.I. -d.T. ~~ Corebrospinal fluid in syphilis after coupleted therapy. Vest.ven. i derm. no-2:55 Mr-Ap '55. (MLR& 8:5) 1. 1z Kaluzhakogo oblastulgo kozbno-vanarologichookogo dispansera. (MBBROSPINAL FWID) (STPHILIS) EYC-EMA ',.'ZDICA Sec-13 Vol-11/2 Dematology.etc.FeW 326. NIARTYNOVA A. 1. Kazakh's Dermato-Vienter.l. In,t., Alma-Ata, USSR. -P-a-f-F-ogenesis of mic robial eczema ( Ru ;s ian text) VESTN. VENER. DERM. l?55, 4 (3-7) -Obial eczellia Slit It PCZVTna- Som e Soviet dermatologists call by tile name of mici like dermatos-s which are known in Western countries by -ther nallies. e g. dermo-epidernkite inicrohiennes. 'Ahile studying the relation nii( ro.)ial and 'true eczenia% the aulhors investigated tile various functionA t hanges in the patients. Bat teriological investigations ascertained the PreSeill-C Of 01C IltlC1ll0- lytic streptococrus in 52 patients. and in 32 out of tile total of 90. The author divided the patients into 4 groups; (1) those with a limilvd a~,ymmclrical focus - 15 patients; (2) those with Symmetrical limited foci - 23 pallents; (3) those %,.ith secondary p~oallergic rashes seen during tile examination - 311 patients and (4) those with a history Of secondary pyoallergic rashes in the past who sho%%i~d only localized foci (Itiring the examination - 14 patients. Tile majoritY of tile patierits, with microbial eczema showed functional disturbances in various sYstems: (1) dis- turbances in tile (arbohydrate metabolism and the detoxication function of tile liver; (2) d;sturbances of tile gastric secretions - mainly of th( hyperacidity type; (3) pathological reflexes of the autonomic nervous system; (4) increased vaso- motor reactions of the skin on local applications of adrenaline and histamine; (5) an increase of skin reactions on application of non-specific chernical irritants (10/6 resorcin, 5% formaldehyde, 0.116 perchloride of mercury, 201,6 and 5011. Oil of turpentine in oil of peach kernels). The disturbances found in tile functioning of the liver, stomach, nervous system and also in the skin reactions to chemical irri- tants and to pyococcal allergens were observed mostly In patients will'. - , ,:.1'.Ary pvoallergic rashes. The author comes to the 4701'.Llusion that ail tne above-men- ~11JLLC tile border between 'true' and microbial eczellias. lie is of tioned I indiLig. the opinion that microbial eczema must be included in the eczema group. Kozhernikov - Leningrad led, MARTYNOVA, A.I., assistent Use of riboflavin in pareachymtous keratitis. Vest.derm. I ven. 31 no.3:52 Mjr--Je '5?. (MIRA 10:11) 1. Iz kozhnoy kliniki Ryezanskogo meditsinskogo inatituts imeni skad. I.P.Pavlov-9) (RIBOFIAVIN) (CORMU--DISRASES) KECHKER, V. I.; MARTYNOVA, A. I.; SPIRIDONOV, Yu. S. Data from an electron microscope study of Kaufmann-Wolf Epiden phyton culture. Vest. dorm. i ven. no.10:29-33 '61. (MIRA 14.'12) 1. Iz elektranno-mikroskopicheskoy laboratorii Ryazanskogo medi- tsinskogo instituta imeni I. P. Pavlova (dir. - prof. L. S. Sutulov) i Ryazanskogo oblaEtnogo kozhno-venerologicheskogo dispansera (glavnyv vrach - kandidat maditsinskikh nauk V. 1. Xechker) (DERMATOPHYTES) (ELECTRON MICROSCOPE) MARTNOVA, A.I. News* Vast, dorms i van. 38 no.3192-94 Mr 164. (MIRA 1814) .. MkRTYNOVA UIN. -- Industrial hygiene in the artifiaia-I (caprone and nylon) fiber industz Nauch. rab. asp. i klin. ord. no.6-.299-308 160. 1(IGRA 14:12) 1. Kafedra promyshlennoy gigiyeny (zav. prof. Z.B.Smelyanskiy) Mentra~lnogo instituts~ usovershenstvowdya vra0hey. (TEXTIM 114DUSTRY-HYGIENIC ASPL;TS) RMINSKIT, K.B., dote.e. RYABUKU, A.Te., dote.; MkWYNOVA, A.P., aesiutent. Selecting efficient methods for drying closed freight cars. Trudy KHIIT no,27MI-212 158. (XIR& 11:6) (Railroads-Preight care-Maintenawe and repair) ,~ I. 1r L-I 0-\ ~:II.4 % MARTYNOVA 0 A. P. (Ho skva ) NOMMM Problems in labor hygiene in the Drocluction of synthetic fibers (capron and nylon). Gig.truds i prof.tab. no.4:23-29 Jl-Ag '57. (MIRA 10:11) 1. Kafedra gigiyany truda TSentrallnogo instituta unovershonstvo- vaniya vrachey. (TEXT119 FIBM, SYNTHETIC-HYGINNIC ASMCTS) HARTYNOVA A. P., Cand Mad Sai (dies) "Problems of Wo hygiene AAA -10t2ab", in the Viog new %jiAe of synthetic fibers Icaprone and anidel." Moe, 1958. 15 pp (Min of Health USSR, Central Inat for #~ Advanced Training of Physicians), 200 copies (KL, 15-58, 119) YERSHOV, V.P.; MARTYNOVAI_~ (Moskva) Work schedule in modern forging and stamping production (practice in the Likhachev Factory). Gig. truda i prof. zab. 4 no. 7:23-29 ii 16o. (MIRA 13:8) lo Institut gigiyeny truda i profzabolevaniy AMN SSSR. (FORGING-HYGIENIC ASIECTS) AWONOVA, L.T.; WTYNOVA, A.P.; MELINIKOVA, M.M. (Moskva) State of health of workers in capron fiber plants. Gig. truda i Prof. zab. 4 no.12:39-41 D 160. (MIRA 15:3) 1. TSentrallnyy institut uaovershenstvovaniya vrachey, Institut gigiyeny truda i professionallnykh zabolevaniy AMN Slc,'SR. (NYLON-HYGIENIC ASPECTS) M&RTYMOVAP A.P. Measures for improving the sanitary conditions of labor and preventing occupational Intoxications In the production of synthetic fibers. Khim.volok. no.3:14-15 162. (KRA 16:2) 1. Institut giglyeny truda i professionallnykh zabolevaniy AMN SSSR. (Textile fibers, Synthetic) (Textile factories--Hygierdb aspecto) RADVINSM., M.B., doktor tekhn.naul4 ~.P-, -starshiy prepodavatell Study of the corrosive properties of magnetically treated water. KLek.i tepl.tiaga 6 no.1207-38 D 162. (MIRA 16:2) 1. Kharlkovskiy institut, inzbenerov zheleznodorozhnogo transporta im. Kirova (for Martynove.). (Diesel locomotives-Cooling) TOUISKAYA, !l-'71.; N.A I~rYINOVA, A.P.; F"' KFEWEEVA, S.N ene 4 -,. the Indu oks. nov. prW.. NIKOLAYEV, Alaksey Ivanovich; SERBINO'."ICH, F.F.v kand. tekln. nauk, retsenzent; MARTYNOVA, A.F.,, red. [Building) Stroitellnoe delo. lzd.2., perer. Moskva, Vya- shaia shkola, 1964. 485 p. (VIRA 17:11) 1. Vsesoy-uznyy zaochiry7 stroitailnyy institut (for Serbiriovich). MOTYLYR116KhY.h. H.Ye.; IWLTMNOVi., A.V. -- Method for determining the training level of athleteB ine-ar repeated strese. Probl.vrach.kontr. no.4:~R%llp '51. (IIIRA (L;PUHTS--HYGE,?IIIC A3P--,,'CTS) (STVAS~; (PIIY';IOLC)r,'v) ) USSR/Phart-ocology and Toxicology. Cholinergios V-5 Abs Jour Ref Zhur - Biol., No 15, 1958, No 71141 Inst Wsk State FedagoGicol Institute Title On the Problem of the Motor ;,ctivity of the Stomach under the Influence of Carbocholine G-riG Pub : Uch. za,,). Omskogo gos. ped. in-ta, 1957, vyp. 6, 71-95 Abstract : Experiments were carried out on dogs with stomach fistulas. Carbocholine (C) was introduced subcutaneously in a dose of 4 Y/kg. C produces both excitation and inhibition of the periodic activity of -the stu-1ach, changes of which depend on the duration of the application of C. When introduced against a back-ground of periodic contractions of the storiach rbLich had started, C inhibits them after 1-5 ain. J", sin.-,'Ie or three-time introduction of C increases the frequency of con- tractions and brings about sharp fluctuations in their dura- tion., while the force of the single contractions is dirAnished. Card 112 17 . I 1 1. .. . . i, ~J, , -t5~- MARTYNOVA, A.Ya. Effect of carbocholime on the secretion of the parotid gland. Quh. zap. Qmsk. gos. ped. inst. no.12:61-83 159. (MIRA 14:6) 1. Nauchnyy rukavoditell professor M.K.Daimatcrv. (CHOLINE) (PARCrfID GIANDS) M&RTYNOVA, A.Ya. Effect of carbocholine on gastric secretion. Uch. zap. Omsk. gos. ped. inst. no.12t85-LI4 159. (MJRA 14:6) 1. Ilauchnyy rukovoditell professor M.K.Dalmatov. (CHOLINE) (STOM&CH-SECRETIONS) MARTYNOVA, B. F. gwy.OMPOMIft JM 49 ft3LbrokyOmts fthe Reaction of Aromatic Mercury Cappova" vith Dimuylaniline, chlorobyarate," x. x. x0ton, B. 1. MartywVa, laningrati state Pediatric Had Ipst, ObAir of Gen Chm, 2+ pp 0zhur lashch DW Vol XIXI No, 6 141 During the reaction of diphanyl- and dimphthyl sercur,y vith the ch3xwohydrate at 130-15(p) benzene or napbtbalene hydrocarbouB, ftr,12, %.-C:L2, and violet dye are formed. Submitted 9 NOT 476 FA 64/49T22 MlL!~,,"'-':,O:~. D. I-f. . t - I I *r,,,-, * , . . "T,,,rD 1-4r 3;' . r .11 D,3r. Al., , ~ , -,~. 1 , l'- . KARTYNOVA, D2Ya otv.red. [Principal abbreviations used in astronomy] Gsnovnyo bukvennye obunachenila v astronomil. Moskva, 1959. 17 P- (AN SSSR- Sborniki rekomenduemykh bukvennykh oboznacheniig no.1). (KIRA 14:2) 1. Akademiya nauk SSSR. Komitat tekhnicheakoy terminologii. (Astronomy) (Abbreviations) S/065/61/000/001/005/008 E030/E212 AUTHORS. zjaydman, N. M., Orechkin, D. B,, Gladovskaya, 11-1. F. and Mart-Ym=z--FL--N TITLE- 00me Properties of Tungsten Sulphide Catalysts PERIODICAL~ Khimiya 1 tekhnologiya topliv i masel, 1961, No, I pp. 25-28 TEXT, A method has been devised for the rapid prediction ol the stability of tungsten sulphide catalysts, and some reasons fcr its deactivation discovered. The caralyst is normally supplied in the f2rm of pellets 10 x 10 mm, with a breakin4 stress of 250--300 kg/cm - The63T (BET) surface area is 60-70 m,*-/g, and the mean pore radius 17 A- The prediction method con6ists in soaking the pellets in an aromatic solvent, preferably orthoxylene, for 10 minutes. During that time., any mechanically unstable pellets will break up.. either into fragments, or into powder, under the action of adsorption of liquid and release of gas bubbles. The peroentage of pellets left as whole, as fragments, and as powder, after that .3-me is then counted- Tnere is a very strong correlation between the resistance of the pellets to this treatment, and the useful Card 112