SCIENTIFIC ABSTRACT SMIRNOVA, YE.K. - SMIRNOVA, YE.V.

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SCIENTIFIC ABSTRACT
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3/'078/62/007/006/002,/024 Bi 24/ B11 A, S Shchu"carev, S. A., S;nirnova, Ye. K., Shemyakina, T. S., Ryabov, E. M. I,V;.. Hydrolysis and formation enthalpy of niobium oxytrichloride IC AL - Zhurnal neorganicheskoy khiinii, v. 7, no. 6, 19612, 1216-1218 TZXT: The formation enthalpy of NbOCI3 was determined from the heat released durinLr its hydrolysis. NbOC13 was produced at 650-700 C by chlorination of Nb 205in a dry chlorine-flow saturated with M 4 vapor, and purified frory, sziall amounts of NbCl5by vacuum sublimation. After removing NbCl 51 the oxychloride was sublimed, a gray powder being left behind. The same powder was obtained by heating oxytrichloride in a sealed ampoule previously stored in moist air. X-ray patterns and chemical analyses revealed a chemical substance of the composition Nb409Cl2 formed during hydrolysis of NbOC13 at 350-55000. The mean heat of hydrolysis of the Card 1/2 S/076/62/007-/00610021024 flydrolyoi~-, ar,d oformmation enth-alpy ... B124/B138 oxyt-1-1chloride sas found to be -35.2 -+ 0-5 kcal/mole on the basis of Measurements made at 250C with an isothermal calorimeter. The formation e'Ithalr)y Cal3ulated from published data for INIbOCl was LHO 212.2 3 298 + 0.0 "'al /mole. This value is in good agreement with the formation enthalpy of solid NbOCl calculated by H. Schhfer and F. Kahlenberg from 3 the heats of a solution of NbOCI3in hydrochloric and hydrofluoric acids (-210.2 kcal/molej. There are 1 figure and 3 tables. The two English- language references are: Selected Values of Chemical Thermodynamic Fropertie3, Washington, 1952; G. 'I. Hamfray, J. Amer. Chem. Soc. 76, 978 (1954). SURMITTED: if-IlY 14, 1961 C ar d 2 /2 S/07yt' )2/007/009/00 5/007 B144 B 101 AUTHORS: Shchukarevt S. A. f Smirriovat Ye. K., Shemyakina, T. S. TITLE: Thermographic study of the systems NbOC1 3 - NaCl and Nbool - KC1 3 PERIODICAL: Zhurnal neorganioheskoy khimii, v-'7, no. Q,, -1962, 2217-221,.) TEXT: the thermograme of NbOC1 purified from NbCl and mixed with NaCl 3 5 0 or KC1 were taken at 300 - 900 C. Conclusions from the resulting constitution diagrams! 1) In the NbO01" - KC1.system two compounds are .3 0 formed: KNb0C1 (Nb0Cl "M;, 50 mole-~.f K01) melting oongruently at 440 C; 4 3 K NbOCl (NbOC1 -2KCI; 66-7 mole-/o KC1) melting incongruently, eutectics 2 5 3 at 388 and 4220C, periteotic at 4860C, monotectic transition at 5460c. 2) In the BbOC1 '-' NaCl system only.the one compound, 3 NaNbOCl 4 (NbO C13 'NaCl; 50 mole-% NaCl)j is formed melting congru6nt-ly at 4300C eutectics at 380 and 410 00, monotectic transition at 7600C; Card ;/2 S/078/62/007/009/005/007 Thermographic study of the 3yetems ... B140101 the formation of minute amounts of Nbol and of further oxychlorides is assumed. Demixing was observed in both systems. There are 2 figures. SUBMITTED: July 11, 1961 YIII Card 2/2 SHCHUKAREV, S.A.; SMIRNOVA, Ye.K.; VASILIKOVA, I.V.; BOROVKOVA, N.I. Enthalpy of formation of niobium pentabromide and oxytribromide. Zhur.neorg.khim. 7 no.6:1213-1215 Je 162. (MIRA 15:6) (Niobium bromides) (Heat of formation) SHCHUKAFEV, S.A.; ~MIRNOVA,je.K..; SHEMYAKINA, T.S.; RYABOV, E.N. Hydrolysis and enthalpy of formation of niobium oirytrichloride. Zhur.neorg.khim. 7 no.6:1216-1218 Je 162. (NIRA 15:6) (Niobium chlorides) (Heat of formation) (Hydrolysis) SHICHU117-JUN S.A.; S11,IPTUIli, Ye.K.; SIIMIWtKIN.-k, T.S. J, ThermographL, invest-igation of the systems !FbOC13 -NaCl and "'D()"13 - YCL. Zhur.neorg.khim. 7 no.9:2217-2219 S 162. (MIlk 15:9) (Niobium. chloride) (Alkali metal chlorides) "Thermal analysis) SM-IYAKINA., T.S.; SVIRNOVA, Ye.K.; SHCHUK-I'LREV, S.A. Enthalpy of the formation of double com-pounds of niobium oxy-trichloride with NaCl and KCI. Vest. LGU 17 no.16:155~-157 ,62. (MIRA (Niob-ium compounds) (Enthalpy) SHCRUKAREV, S.A.; SMIRNOVA, Ye.K.; VASILIKOVA, I.V. Thermographic analysis of the system RbC1 - CbOClj and CsCl - Nwcl 3* Vest. LGU. 18 no.16:132-133 163. - (MIRA 16:11) SHCHUKAREV, S.A.; SMIRNOVAY Ye.K.; VASILIKOVA, LV.; KOTGVAI M.S. Enthalpy of formation of sodium and potassium chlorotanta- lates. Vest. LGU 18 no.22:174-176 163. (MIRA 17:1) SMIRNOVA, Ye.K.; VASIL'KOVA, I.V.; KUDRYASHOVA, N.F. Enthalpy of the formation of the chloroniobates and chlorotantalates of rubidium and cesium. Zhur. neorg. khim. 9 no.2:489-490 F164. (MIRA 17:2) SHCHUKAPEV, S.A.; SHEWAKINA, T.S.; &URNOVA, Ye.K. Compounds of niobium oxytrich-lorides with sodium and potassium chlorides. Zhur. neorg. khim. 9 n0-3:547-549 Mr 164. (MIRA 17:3) SHEMYAKIIIIA, T.S.; SMIRNOVA, Y---.K.; POFOVA, I.I.; KL~'TSOVA, VAL Entholpies of formation of sodiur, and pota3sium chloroniobateo. Zhur. nearg. khim. 9 no.10:2387-2390 0 16-1. 0%S FU 17: 12 ) -,.SMIRNOVAS Ye.K.,, VASILIKOVA, 13. I Oxychloroniobates of alkali metals of the composition Me NbOCl Vest. LGU 19 no.4:164-165 164. &M ~;-*3) 8MIRNOVA9 4 Ye.K.; VASILIKOVAq I.V. Chloroniobates (IV) of alkali metals. Vest, ILU 20 no.10?161-162 . a 165. (MJRA 18.-7) ZFURAVLEV, N.N.; SMIRNOVA, Ye.M. Study of bismuth-antimony-scandium alloys. Kristallografiia 7 no.2:312-313 Mr-Ap '62. (MIRA 15:4) 1. Yoskovskiy gosudarstvenn3-j universitet imeni Lomonosova. (Bismuth-antimony-scandiurii alloys) (X-ray crystallography) ZHURAVLEV, N.N.; SMUGIOVA, Ye.M. X-ray diffraction determination of the structure of YU and YSb. Kristallografiia 7 no.5.-787-788 S-0 '62. (MIRA 15:12) 1. Moskovskiy gosudarstvennyy yniversitet imeni Lomonosovae (Yttrium-bismuth-antimony alloys) (X-ray crystii1lography) 5/078/62/007/011/005/005 B101/B186 AUTHORS; Sokolovskaya, 1e. M., Grigorlyev, A. T., Smirnova, Ye. It. TITLE. Solid-state conversions in alloys of the copper-manganese system which are rich in manganese PERIODICAL: Zhurnal neorganicheskoy khimii, v. 7, no. 11, 1962, 2636-26y8 TEXT: Copper-manganese alloys containing 0-5-31 atom,/lo Mn were investigated by thermal analysis. Their hardness was determined, their microstructure was examined after 690 hr annealing in an argon atmosphere and after quenching from 550, 450, 700 or BOOOC in a mixture of acetone with dry ice, their electrical resistances were measured at high temperature and they were subjected to x-ray analysis. The hea ting curves show thermal effects which indicate ordering of the solid 9-solution at 16-3 atom% Mn (Cu 5Mn) and 4000C, also at 25, atom%iMn (Cu.3Mn) and 4500C. The hardness curves are smooth for quenching temperatures of 800-7000C but irregular for 400-3500C, with minima corresponding to. Cu_Mn and Cu Mn. The formation of these 3 compounds in the solid phase was manifest also in the curves of electrical Card 1/2 S/126/62/013/001/00't/018 E021/E580 Z1111ravlev, N.N. , :,,ildanov, G.S. and Smirnova,je. ~r F Sttidy of' ternary solid solutions on the basis of' compotirlds Fizika metalLov J metallovedeniye, v..13, no.1, 19629 r L. vr The aim oC the present work was to find alloys w i t Ii wide rcgion~~; of solid solubility, based oil stiperconducting- der to compomid-s with a nickel-arsenide strocture, in or. StIldv tile chantre in superconductivity oil partial substittition of" one ol-ement of the binary coiiip ind by a third. The Collowin-1, systenis t,(-'?'C' invostign ter] : PtL3i-PtPb, NiBi-NiSb, NiBi-RhBi-, ~)t`ii-PdBi, Pd~Ib-'Pdiii, Nilli-Pt13i, Nil3i-i%lnf3i, PtBi-7.1nBi, Pttii-PtSn, PtSb-Co~zb. Alloys w-k-rc prepared from 99.98i,) Bi, 5' Stl , ,P) . )8 " 'Sh , 99 . 9-j PI) , 99. 9.electrolytic Ni and Mn, Pt and spoilge Pd. Molting was carried out in a (piartz flasic iii V"Ictlo. Heat treatments w-cre also carried out in quartz flasks. slloer- conductingr properties were studied oil samples of' diameter 1.5-2.9ilyn 20 . investiggrated by X-ray, a nd --)0 mm length. All tile alloys were Cni-d 1/2 SLUdy of ternary solid solutions ... s/126/6-9/013/001/0011/018 E021/E:i8O microscopic, thermal and microllaraness methods. Results shownd U.Imt ill 111aliv cilses t, here were wide ranges of solid solubility. Hoi.ever, in spite of the fact that X-ray and micro.-5copic -;ttldics !411owed lloillogeli(.~itv, all inve-qt.igation of superconductivity show-ed that 1,1111 etlitilibrium was not attaiiied even after -)00-';C,() hcm.-s 110mogelliz.-ition. ThIls, superconductivity measureriients are a zzonsitive method for (ICteCting M._LCl-Oil-lh01l10,g(-.TlPif_y 01, alION-S. 'file change -in microhardness is linear with change ill Composition for the :iysterm; 'Ptdi-Pt!~b, Nilli-Nhbi and PdSh-P(hii. X-rav iin~,Ivsis of the solid solutLons showed a linear cham;e -in lattice paramt~ter with Composition, ill agreement with the results of an invest.igatioll ol, Similar -.;ccIJons of semiconducting conipoiinds. uiurf! are 1) figures and I cable. AS60CIATTON: Nlo!~;Ruvskiy gro6universi tot im. M.V. Lomonasov.1 (Moscow State University imeni M. V. Lomonosovr) SUBMITTIED: may 26, l.961. Card 2/2 S/126/'2/013/oo4/007/022 0 E193/E383 6,2 ~~C -2-, S -Z:iuravlev, N.N., Zhdanov, G.S. and Smirnova, YA--.Ivl. ,_,TLE: ~i-,vcstiZation of platinum-bismuth alloys in the 10 to 50 at.% platintuii-concentratIon range P-__ICDICAL: Fiz-ika metallov i metallove-leniye, V-13, no. 4. 196--, 536 - 545 + 1 plate T S: "T The object of the present investigation was to obtain mnore precise data on the cause of instability of PtBi and PtBi 2 allovs at low and ultralow temperatures. To this end the cons.':itution of Pt-Bi alloys containing 10 - 50 at.0% Pt was studied by hardness measurements and by thermal, metallographic aild X-ray diffraction analysis. The results of thermal analysis _-.3roduced in Fig. 1, showing tile constitution diagram of -ire r 1 1:1 of t:-e Pt-Bi system, tile circles and crosses,representing, i-os~-,cctively, data obtained in 'the course of the present and carlier investigations (Ref. 4 - N.N. Zhuravlev and L. Kertes .,ZTF, 1957, 32, Other results can be summarized 1313). '.s follows. 1) As a result of a peritectic reaction at 685 0C a y-phase Card 1/6 S/126/62/013/Oo4/007/022 !Ylvestigall- ion of .... E193/E383 _-Is -formed in alloys containing betwoen 35 and 50.at-e,"! Pt; ,;:,is pl.iaso under~~oes a eutect6id -transformation at, about 570 OCI to yield PtBi and PtBi deco.-.iposin- , 2 2 PtDi lias t-~.c nickel-arsenide structure ;-,rith lattice parameters 4.315 and c = 5.490 !~z:C 5) 'I'l-te superconductive properties of cast Pt-Bi alloys of a near to PtBi are associated with the presence of the I ~.,ere are tareo allotropic modifications of PtBi 2 :a-PtBj-r) -4 '1 a cubic structure (a = 6.683 ir-x) ; P-PtBi crystallizing .1 . L., 2 - tr_*~;onal sin-ony (a = 6-59, c = 6. 17 kX) y = PtBi,3 --i':I a Cam-'lex structure. The differences observed in the L be'.ia-v--our of PtBi 2 at ultralo-wr temperatures must be attributed to -7-,c c_,zisze-nce o- these three riodificat ions, those stable at temperatures being responsible for superconductive Carlc~ 2/0" S/126/62/013/004/007/022 t iL;ation of E193/E.383 ol-0,1C.1-ties o- alloys of a Co;;Ipositiorj near -to that of PtBi 2 c:laractcrized by a high critical temperature of 0,. -,ere are 7 figures and 11 tables. Aks S C C !.VL, I ON: ',\Ioslcovslziy gosudarstvenny-y universitet ii:i. IM.V. Loi,.ionosova (~Ioscow State University im. ',NI.V. Lomonosov) ,S U Z': : I TT E D June 30, 1961 Card GENK114) A.D.; ZHURAVLEV, N.N.; SHIRNOVA, Ye.M. "Mencheir" and "Kotullskiy" new minerals and the co"sition of michenerite. Zap.Vses.min.ob-va 92 no.1:33-50 163. (MIRA 1614) 1. Institut geologii rudnykh m-estorozhden4-y, petrografi mineralogii i geokhimii AN SSSE i Mbskovskiy gosudarstvennyy universiket imeni Lomonosova. (14onchegorsk region-minerals) t 12098-66 AeC-tfftr-1M00528 SOURCE db6i:---M/0070165/010/006/0828/083 AUTHOR: Zhuravlev, N. N.; Smirnova, Ye. M ORG: Moscow State University im. M. V. LomDnosov (Haskivskiy gosudarstvennyy universitet) TITLE: The identification of two new compounds, 'rB'3 and IrBL2, in kite bismuth- iridium system SOURCE: Kristallografiya, v. 10, no. 6, 1965, 828-832 TOPIC TAGS: bismuth alloy, bismuth compound, iridium alloy, iridium compound ABSTRACT: Two new compounds, IrBi3 and IrBi2, have been identified in bismuth- iridium systems. Following a description of crystals, the articledescribes the crystallochemical and X-ray analysis of acicular and short-prismatic crystals.' The IrBi3 compound crystallizes in rhombic crystals which are isomorphous to NiBi3; the IrBi2 compound appears in the form of monoclinic crystals which are isomorphous to a(-RhBi2 and have the arsenophyrite structure. The-authors list also the dimensions of-the elementary cells and show the changes in the hardness of annealed bianith-iridium alloys as alunction of their composition. We thank Prof. G. S. Zhdanov for the discussion of the results of the present Card 1/2 UDC: 548.736 L 36400-66 EWT(m)/EWP(t)/ETI IJP(c) JD ACC NRs AP6018779 SOURCE CODE: UR/0070/66/011/003/047VO472 AUTHOR: Vergunas, F. I.; Mingazin, T. A.; Smirmova, Ye. M.; M4~yev,,_S_ ORG: none TITLE: Texture and electrical conductivity of cadmium sulfide sheets SOURCE: Kristallografiya, v. 1-1, no. 3, 1966, 471-472 TOPIC TAGS: cadmium sulfide, eiectric conductivity, crystal orientation, sdk%CFMZWw& ,t= temperature dependence, photosensitivity ABSTRACT: The (,effect of substrate temperatures on structure formation in photosensi- tive CdS films\was studied and correlations between electrical conductivity and the de gree of crystal orientation were obtained. Samples were obtained by vacuum sublimatio- (2-10-5 mm Hg) where the substrate temperature (TP) varied from 75 to 4000C. Cu was added to increase the photosensitivity by treating the surfaces with a Cd-CUC1 powder and annealing for one hour in Ar. Indium electrodes were evaporated into the surfaces to measure the electrical conductivity. The structure and grain orientation of the films were determined by x-rays and by a photomethod. All of the films had a grain size of about 10 5 cm and were composed of a-modified CdS. In the temperature interva of 150-4000C, the crystals had their c axis oriented perpendicular to the plane of the substrate. The activation treatment (Cu addition) resulted in coarser crystals (2 to UDC: 548.0 : 537.311 Card 1/2 L 36400-6~6 ACC NR: AP6018779 6 v) and in a decrease in the orientation for all values of T except for 2500C, where P the orientation rose sharply. The electrical parameters measured the concentration of current carriers for both dark and light conductivity. In all cases, the greater the orientation the greater was the conductivity, indicating an anisotropic conductivity mechanism; the conductivity was much greater perpendicular to the c axis than parallel to it. Along the c axis the barrier potential for current carriers waS high, but de- creased with exposure to light. The barrier distance was estimated to be below 10-5 cm, indicating that the barriers ifere acting within grains. orig. art. has: 1 figure. SUB CODE: 11,09/ SUBM DATE: OSApr65/ ORIG REF: 0011 OTH REF: 005 SMIRNOVA, Ye. M. Cand Fed Sci -- (diss) "Content$, organization, and methods of r '5 7 ar old -6 ppa-e~~ and playing ball games wi Ild 3. dren in kinder _Far)dens. " JAos. 1957. 14 pp 20om. (State Central Order of Lenin Inst of Phys Culture im I. V. Stalin), 100 copies M, 13-57, 101) -56- SMIRNOVA,Ye.N. -, 1-1 Sampling characterization of a normal distribution. Trudy Inst.mat.i mekh. AN Uz.SSR no.10 Pt-:131-140 '52. (Probabilities) (KLR& 8:9) mb "m --------- -- 'Syatis"Is of 'vdiocgboac- Bi t two,qua- .1 "V. b y -Qir' Kim j): or ova, au a1v 27,- M, Y :~-SRTI 566b 5 1 '49'r, b.--:.Treat- ment ti, kbrgX~ kavie the conWilittattA 4fth 1-indh e7w . 165.~61% N U G.&172: h .58 Pr' ' 1~i4 1.4 1%91,~ 0.84SS;'_-47%-Bu, is 90 -204- ~ I WM, O.S' 178; IV,% ~ timpr, lh~., IW-t ~ _ I.M)S, 0.8696., Tliei:,i v4ere hydrobrovilitiatw and treated with Ztt dust itt~ .5%.EtOlf )-ioditigartu distli~ Oitfit4cotit- -106,- -,G.8165 al .4 1 18%,: ~N,G, IM.5-~57% R171 f(M(i3),z-',S97(3.5. biji- 179.5_4.V!, 1.4 7350 -1 1 11 1 -11", b; O.W20i 076(9). -re aisa fonaed %YL carbolls-widd klui isolated fr4ti tivenv., Lx.:~ Hotaotogs I - d- f - f th du lb 1k e enzen -o cts o a Lene tom' .1 y p ifi l F ddd V H D T etc i 4, RI a and I .vji~,m 11 n co,~ did N~1150j'subr.4hfijfl to ramaild the tfnic ct I and f- 3 1 matment q the'acj, jha~c %vitW50't.1 or its- t d dibi. I ~vith 11 7 SMIRNOVA, Ye. N.,. KOKSHA.ROVA, Z. Ya. "The Experience With the Application of Starodubsk Mineral Mud for Certain Ailments," Voyenno-Med. Zhur., No. 6, P. 77, 1955. Ye.; S~' 1 1,7 VA., Ye.17 lulo D i L, i h~ t i o r. o f s cm e T: r o t o z can n -, e s L f n,-- S e a s e s Moscou. Med. paraz. F-araz. bol. 3' no.6:714-7-i- --D 16' Gill-!~ 16:1) 1. Iz - --otozoologicllesko~,o Cltl~-Iela (zuv. - pn--f. S,,,.D. ol:"y) Im-nituta meditsimikloy par~-zltoloj-lii _i tvropicheck--y o (.3-irel-tor - p-o-C. -;iny imeni, Ye.I. N~iart~,.-novck-o-~- ,~ul.;-,iyev) 1,11ii,lst-anAlr~: KRYZHANOVSKIY, S.G.; DISLER, N.N.; SMIRNOVA, Ye.N. mw_ Ecological and morphological regularitLes in the development of spiny-finned fishes (Percoldei). Trudy Inat.morf.zhiv. no.10:3-138 '53. (MLHA 6:11) (Percoidei) USSR/General Biology - Individual Development. Embryonal Bo Development, Abs Jour : Ref Zhur - Biole., No 21, 1958, 94632 Author : Smirnova, Ye.N. Inst : Institute of Animal Morphology AS USSR Title : Features of the Development of the Kuban Vimba During Embryonic and Larval Periods. Orig Pub : Tr. In-ta morfol. zhivotny1di AN SSSR, 1957, vyp. 20, 71-94 Abstract : It is shown that from the small eggs of the vinba, which up to now have been rejected, normal although sommiliat smaller larvae can be obtained. In artificial conditions hatching occurs in tile 7th embryonic stage; in natural conditions in the 8th. The latter stage is characterized by photopliobia,, positive reaction to osculation and appea- rance of a adhes:Lve orGans in the embryo. These proper- Card 1/2 ties - 20 USSR/General Biology - Individual Developmento Embryonal B. Developments Abs Jour : Rof Zhur - Biole, No 21, 1958) 94630 Author : Smirnova, Ye.N. Inst Institute of Animal Morphology AS USSR Title Morphological and Ecological Fcatures of the Develo-prac-lit of the Roach Rutilus Frisii (Nordm.). Orig Pub Tr. In-ta morfol. zhivotnykh JJ1 SSSRs 1957j, vYP- 20, 95- 120. Abstract On the character of embryonal development of roachas rcla- ted to Rutilis tutilis Linn. In the southern Bug, Dnepr, Don and Northern Donets spawning occurs in Apri-I-May and .,gs are laid in the rocky lasts for three weeks. The ag sections of the rapids. 9 stages are differentiatQd in the embryonal development. Large eye rudiments are isola- Card 1/2 tcd SMMOVA. Ye.N., jjor~hological and ecological characteristics of development in Rutilus frisii kutum Kamenakye Trudy Inat.morf.zhiv. no.33:3-29 161. (MIRA 14:6) (Caspian Sea-Carp) SMIRNOVA. Ye. N. Development of Chalcalburms chalcoides ochischkovi (Dvnak) of this Kuban River during Uo subMnic and larval PGAOM Or lif*- Trudy Instemorfazhive no~3300-62 161o (M331A 146) (Kuban River-cary) SMIRNOVA., Ye.N. Morphologic and ecologic characteristics of the development of Chalcalburnus chalcoides schischkovi Drenski in the Southern Bug, Trudy Inst. morf. zhiv. no.,40-.219-238 162o (MIRA 16:6) (Southern Bug River-Cha:Lcalburnus) 7001387-Cg RC-E-C-6D-9-.'-Ok-[04W6-6-[OOU021/005T/005 ACC NRi AP *INVENTOR: Korotkov, V. P.; Smirnova, Ye. N. ORG: none TITLE: Automatic device for matching antennas. Class 21, No. 187845 SOURCE: Izobreteniya, promyshlennyyeAznaki, no. 21, 1966, 57 TOPIC TAGS: antenna engineering, antenna tuning, electric impedance ABSTRACT: An Author Certificate has been issued for an automatic device which matches antennas. The device (see Fig. 1) contains two'two-element high-frequency Card Fig. 1. Automatic device for matching of antennas 1 - Two-element probes; 2 - subtracting Z I blocks; 3 - feeders; 4 - polarized relays; 4 4 5 - electromagnetic clutches;. 6 electric rJ114 motor; 7 matching elements. q-T UDC: 621.396..67 :-ra~-AY-160-13 8 7 probes with subtracting blocks. To fully match the continuously changing input impedance of the antenna, the probes are connected in series to feeders, and their subtracting blocks are coupled to polarized relays that feed electromagnetic clutches. The clutches couple the rotation of an electric motor to the matching elements. One of the matching elements consists of a variable-length line and the other of a network of capacitors connected in a parallel-series configuration. The second element is co'nnected at a distance equal to 1/8 of the :-wavelength from the two-element probe, which is nearer to the load. Orig. art. has: 1 figure. [IV] SUB CODE: 17/ SUBM DATE: 160.ct63/ ATD PRESS: 5110 Card Lie ,=noctive 187" of o lt~ m ~j"dw~ to:m1k kb Med. tuoto V as, I 11.4t S. R You;1)1- wphit fed dk-C3 cents. suit& drop (5-w tng./'I(X)g.). thyroidin, air combinadonsof the L' over -15-aldays. ThyroWin caums expansion of liver capilLuwis and their wore intensive filling with Wood and an increaw in the nfi. of am-doped cells. Lymphoid type cells accuntu. lue near the central veins. Sulfa drup which cause reduc- tion of the concut. of the ti,yruid hornwoe produce an uppa- site effect with little blood veml dilialuo, shrinking of the ItAT-CCUN with Chfiltrations C~ubiaed treatment leves a ~W.w%(6111 naroW pictutt. In the brain. thyroidin &Lw rAnses dilation and awdilul a blood vencle with infiltration .41 br-Ain coverings by lynaphoid Cells. G. M. K. ~ I 1 1! . Lo,P.0- ZIIYI-l -,, V.A. T lumufactu--inGI thO PUCU aoraUutomatic, unit fcr coordimto aaaauronant.* Djuld Lol:ho--jkm, illform. Coo. naLOil,_iwlo imt. nauch. J tok:,j. jaom. 18 no,10:46-47 0 165. OMIA 18:32) 88317 15111k S/191/60/000/002/004/012 B027/BO58 AUTHORS: Kamenskiyt I. V., Smirnova. Ye.-,P., Tsepelev, A. S. TITLE: Melamine Acetone Formaldehyde Resins PERIODICAL: Plasticheskiye massy, 1960, No. 2, pp. 17-19 TEXT; The disadvantage of melamine formaldehyde resins is their in- solubility in organic solvents and their low stability while storing, thus making a modification of these products necessary. V. S. Kiselev and M. F. Sorokin (Ref. 2) studied the modification of melamine formaldehyde resins with alcohol. K. V. Lukina (Ref- 4) produced resins from dimethyl melamine and diethanol aniline which show higfier stability in water and good di- electric properties. This study deals with the modification of melamine formaldehyde resins by acetone. Commercial melamine with a melamine con- tent of 99-07%, formalin with a formaldehyde content of 40-3% and acetone with a boiling temperature of from 55.5 to 56-50C served as initial materials. Best modification was obtained with acetone, if this product was introduced into the reaction after the formation of the methyl derivatives of melamine. The reaction was carried out in neutral or Card 1/2 I , -~ 88317 Melamine Acetone Formaldehyde Resins S/191/60/000/002/004/012 B027/B056 alkaline medium. Na 2C03, NaOH, and 25% aqueous ammonia solution were used as catalysts. Only when applying the lattor, transparent colorless resins of high stability, adhesion and good miscibility with various fillers were obtained. The modified resin has a slightly higher coking number, it has a higher thermal stability and may be stored for a long time. The yield of melamine acetone formaldehyde resin is 150~ as compared to the melamine used, while the yield of melamine formaldehyde resin amounts to a maximum of 13074- Various pressed materials were manufactured on the basis of the synthetized resin. Glass fabric of the type