SCIENTIFIC ABSTRACT VEDENEYEV, G. - VEDENEYEVA, V.V.

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SCIENTIFIC ABSTRACT
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05926 9(2) SOV/107-59-7-29/42 AUTHOR: Moin, V.1 Vedeneyev G. TITLE: Silicon Voltage Stabilizers PERIODICAL: Radio, 1959, Nr 7, pp 42-46 (USSR) ABSTRACT: The authors describe the structure and the principle of functioning of silicon voltage stabilizers and basic circuit arrangements for their application. Silicon voltage stabilizers, socalled "stabilitrons" are silicon junc-t-ion diodes having voltampere charac- teristics analogous to gas discharge stabilizer tubes. The voltage stabilizer diodes D808 - D813, produced by the Soviet industry are designed for application in power supply undlts, where the feed voltage does not exceed 7-14 volts. Silicon stabilizer diodes are used as pulse limiters, trigger circuits, as variab- le capacitors for tuning receivers and oscillators, for protecting transistorized devices and for voltage measurements. The authors describe the theoretical Card 112 premises of such diodes. The authors present some 05926 SOV/107-59-?-29/42 Silicon Voltage Stabilizers application of these diodes as overvoltage protec- tors, shown in Figure 8; for spreading measuring ran- ges of voltmeters, Figure 9; for relays, Figure 10; as voltage limiters, Figure 12; and for pulse shaping circuits, Figures 13, 14, 15, 16. An editorial note preceding this article says that the Soviet industry must produce an adequate assortment of silicon sta- bilizer diodes, especially those used for replacing var4able capacitors. There are 21 circuit diagrams, 1 diagram, 9 graphs, 1 table and 1 Soviet reference. Card 2/2 VEDENEYEV, G., inzh.; MOSHCHAKOV, V., Inzh. Transistorized voltage converters. Radio no.2:24-27 F 161. (MIRA 14:9) (Electric current converters) EN AL ACCESSION NR: AP4045824 S/0105/64/000/009/0047/0050 AUTHOR: Vedeneyev, G. M. (Engineer) (Moscow) TI71-LE Semiconductor pulsed regulators and stabilizers SOURCE: Elektrichestvo, no. 9, 47-50 TOPIC 'FAGS: voltage, rcjjxilato_L_, ac generator, dc generator, transistorized voltage regulator, dc motor speed control ABSTRACT: Two transistorized voltage regulators intended for controlling the excitation of a-c and d-c electric-power generators are briefly described. Tile voltage regulator consiats of a measuring unit, a pulse-duration modulator, and A.- ru!glimi-F- Lahorattirv modeis )-f 'hese re4ulatora functioned with an. erro:- of for generator 10aJ8 from zero tc full. The final-stage switcruag Lime %vas ID-15 -rncroE3e(-. Also descrihed is a circuit for regulating the speed of a d-c motor. This circuit is Card I I Z L 10786-65 . ACCESSION NR: AP4045824 0 based on the transistorized pulsed voltage stabilizer described earlier by V. I. Aleksanc-rin ("Transistorized pulsed voltage stabilizers, " in Poluprovodnikovy*ye pribory*, 1961, no. 7). Orig. art. has. 5 figures and 4 formulas. ASSOCIATION: none SUBbUTTED: 140ct63 ENCL: 00 SUB CODE: EE, EC NO REF SOV- 007 OTFMR: 000 r.ard Z/Z 0 s/196161/000/012/020/029 E194/E/155 AUTHORS: Vedeneyev, G.M.q.and Moin, V.S. TITLE: A semiconductor voltage controller for an a.c. generator PERIODICAL: Referativnyy zhurnall Elektrotekhnika i energetika, no.12, 1961, 30, abstract 121 199. (Vestn. elektroprom-sti, no.7, 1961, 34-37) TEXT. The voltage controller is simple because it combines the function of impulse-width modulator and measuring device. Delay in the measuring device is avoided and comparatively high power can be drawn from the measuring circuits. The controller circuit consists of an amplifier directly linked to transistors, a reference network with stabilitron and a saw.-tooth impulse former containing a diode and capacitor which is also a component of the measuring device. When the generator load is altered from zero to rated value the accuracy of voltage control is t 2%. The regulation characteristic of the voltage controller is linear when the field current is altered over a range from at least Card 1/2 s/196/61/000/012/020/029 A semiconductor voltage controller.. E194/E155 1:10. A schematic circuit of the voltage controller is given. 1e, 5 illustrations. [AbstractQr,s notes Complete translation.] Card 2/2 VEDENEYEV Gpqr 7 Rikhaylovich; VERSHIN Viktor Yevgenlyevich; X# WAR, --,* I I "'*-, ~ "- ~~~~TN BORUNOVY N.I., tekhn. red. W, - KU'-T- 3 (Radio receiver with electronic tuning] Radiopriemnik elektronnoi nastroikoi. Moskva, Gosenergoizdat, 1963. (MIRA 16:9) 15 P. (Transistor radios) L 1-66 EWT(1)/KWA(h) ACC NR: AP6002940 (A) SOURGE CODE: UR/0266/65/000/024/0105/0105 AUTHOR: Vedeneyev, G. M. ORG: none TITLE: A pulse repetition frpquen'. divide~.Klass 42, No. 177168 SOURCE: 13yulleten' izobreteniy i tovarnykh znakov, no* 24, 1965s 105 TOPIC: TAGS: pulse recurrence frequency, frequency divider, power supply ABSTILkCT.- Tfiis Author Certificate presents a pulse repetition frequency divider. The dosign simplifies the circuit, increases the power of the output pulses, and prodaces a high and adjustable division coefficient. The divider includes a ladder network made of a resistance, inductance, a silicon-controlled rectifier shunted by a-capacitor, and a diode connected to the power supply source. All of these are connected in series (see Fig. 1). Switching may be achieved, for exariple, by a transistor. This transistor is connected between the base of the controlled rectifier and the minus.source of the power supply. Card 1/2 681.142;621.374.4 1. 1 capacitor; F inductance; 2 - resistance; 3 -.silicon-controlled 4 - diodei 5 (or cGntrolled diode- 6 triodo diodei. Orig. art. has: 1 figure. suBm DATE: 03Dec63 qUB COMS; 09/ Card 2/2 KUPLYAYEV, !.M. (Leningrad, B. Pushkarskayji u1. d. 30., 1~v.r'-/)); 1VjJV1,Ar' rj~,' Yp 0 (ror ".".1 ul (Gor1kiy, ul. Inadistov, d.6, kv.6'; 6 -V, A.L. (Mo,-jk-,ra, Ly,;1rwc_r*,5y, -,,.)3. Ralistov, d kv.6'; PISATC Vsesoyuzriogo nauchno-issledovatal'Bkogo tigollnogo infititi;'a, d.5, 4, GASPAROV, R.G. (Moskva, 1-51, 2-y Kolobovskiy pereulnk d.111/2 kv.!S); POPOV, B.I. (Irkutsk, 13, Depovskiy pereulok, d.83, kv.2); F1Q1;TKGV_3`:1Y' B.A. (Mosk-,7a, Ye-?7, Sredne-Pervomavskaya u1. d.13, kv.11.); TFTENLYEV., G.M. (Moskva, I-110, B. Spasskaya, d. 15/17, kv.201); UEECHEI~, V.G. TU-zhgorod, Zakarpatakaya obl., u1. Kosmodemlyanskoy, d.4, kv.69); SIDORENK02 A.P. (Leningrad, ul. Frunze, d.15, kv.38); SPTRInON~,V, A.V. (Leningrad, ul. Frunze, d.15, kv.38); SERETA, P.A. (Mrjskva); IL'IN, V.F.; PELITSMAN, L.N.; DANILEVICH, A.I. (Kharlkov, Pleldianovskly pereulok, d.9a,- kv.2); KHIW-NKO, L.T. (Kharlkov, PlekJano-,jskiy pereuick, d.921 kv.2); LYKOV, M.V. (MDskva, Leninskiy prospekt, d.55); RYBALICHENKO, G.F. (Moskva, Leninskiy prospekt, d.r15); BOYKO, V.F. (Leningrad, 11.1-142, u1. Tipanova, d.3, kv.130); KITAYEV, G.T. (Chelya- binsk, Smolenskaya u1. d.4); SKLYAPOV, A.Ye. (flovocherkassk, Rostov- skoy obl. pos. Oktyabrtskiy, Gvardeynkaya ul. d.30, kv.29,1 N 164. Discoveries and inventions. Prom. energ. 19 n0.11:57-58 I (MIPA 18:1) 1. Zavod "Amurkabel'11, Khabarovsk (for 111in, Pelttsman). GOLISHNIKOV, A-A.; SHEVTSOV, V~F.; MIKHAYLOV, A.D.; VEDUEYEV, I.F. Mobile asphalt-concrete plant. Avt.dor. 27 no.11:17-18 N '64, (2,11IRA 18-'4) L 00741-66 9-Fr(m)/E7dP(V)/T/E7,iP(t)/BIP(k)/&~'4.'P(b)/&-.'A(c) JD/HM ACCESSION NR: AP5021987 UR/0286/65/000/014/0061/0061 621.791.75 621 3.013 AUTHOR: Bachelis, I. A.; Vedeneyev, I. D.; Moiseyenko, A. S. TITLE: A method for magnetic control of an electric arc. Class 21, No. 17zuoz SOURCE: Byulleten' izobreteniy i tovarnykh znakov, no. 14, 1965, 61 TOPIC TAGS: arc welding, welding equipment, metal heat t melting, reatment, metal 'alternating magnetic field, electric arc ABSTRACT: This Author's Certificat p-introduces a method for magnetic control of an electric arc# lting - M + 82H5* Card 3/4 The comparison of the analysis results of the primary gas Investigation of the Kinetics and the Thermal 20-114::k-W54 Decomposition of Isobutylene products and the composition of the liquids leads to the conclusion that the cracking-scheme suggested by the third author of C3H6 and i-C 4H8in insufficient. New ways of the transformation of the radical i-6 must be introduced H 4 7 to this scheme. The decomposition to &13 and "allene" may be supposed as such, as well as the transfer reaction of the methyl-radical from i-b 4H7 to the isobutylene molecule. Allene- formation was observed in the cracking of isobutylene reference 4). Under the conditions given here it is, however, unstable and completely disappears from the gas phase during the duration of test. There are 2 figures, 1 table, and 5 references, 2 of which are Slavic. ASSOCIATION: Institute for Chemical Physics AS USSR (Institut khimicheskoy fiziki Akademii nauk SSSR) PRESENTED: January 14, 1957, by N. N. Semenov, Academician SUBMITTED: January 12, 1957 ... . .- 1. : i. ' ' - I. r~ .), .':II Card 4/4 MORYNV, V.I.; GXRASIMOV, G.N.; FURRA11, A.P. Photochemical decomposition of hydrogen peroxide (with ffummrr In Nnglish). Zhur. fiz. khim. 31 no.6:1216-1226 is 157.OCERA 10:12) 1. Khimiko-takhnologicheskiy institut im D.I. Mandeleyeva I Insti- tut khimicheakoy fiziki AN SSSR, Moskva. (Hydrogen peroxide) (Photochemistry) a~lq2'-V, V.I.,_-- KARGOLISgLiya Takoylevaa, ; YEWVICH, S.Yu., otv. red.-;--KERI, red. izd-va,; POLINOTA, T.P., tekhn. red. [5jgged atoms in cntalysiol Hechenye sitotay v katnli7e. 14oekva, lzd-vo Ak-9d. nauk SSSR, 1958. 68 p. (MIRA 11:11) (Gotalysill) (Radioactive tracere) AUTHORS: Vedeneyev, V. I., Purmall, A. P. SOV /76-39-7-5/45 ' TITLE: The Decomposition 'EnerAy of C-F Bonds (Cnergii razryva C-F svyazey) PERIODICAL: Zhurnal fizichesko.v khimii, 1958, Vol, 310, Ur 7, PY-IA7'.~-1475 (usn) ABSTRACT: Only little information is available concernin.- the above mentioned Problem; this is explained by the fact, that manY experimental methods are unsuited or supply insufficient re- sults due to the considerable strength of the C-F 'ccndc. On the other hand a calculation of the dcco--Tocition ener- V for monofluorine derivatives of hydrocarbons is tho=ochemic~-!- ly also impossible because of the lack of data on the heats of formation of the corresponding compounds. The data obtain- ed by Lossing, Ingold and Henderson (Ref 1) as well Es thoce by Farmer et al. (Ref 2) may not', be regarded as being of full value because of errors of determinations and insufficien.1- measurements. According to a table representing the deconro- sition energies of the bindings CF -X (X= if, F, Cl, Br and J) as well as data concerning the heaL of formation it is as- Card 1/3 sumed that the value of 118 kcal is closest to the real value The Decomposition Energy of C-F Bonds SOV/76-32-7-5/45 of the decomposition energy CF -X. It is found that the F and H atoms as substituenta exert he same influence on the strength of the compounds to be cleftf which fact is proved by the results obtained by Rabinovitch and Reed (Ref 7). Pro- ceeding from the va'lue for D(CH -F)= 118 kcal the heats of formation 1-C A F, iso-C H P and tert-C H F for CH F, C H F, z' are calculated a~d da?a5are gi4e~ which c9nZern the ener A;g of the formation of the C-F bond. It is found that the results obtained by Luft (Ref 11) do not agree with those obtained by the authors of this paper. The exchange of the H-atoms with F does-not exert a strong influence on the energy of the splitting of the C-C bonds# as mentioned above. Pritchard ard Trotman-Dickenson (Ref 12) estimate the value of D(C-C) in cyclobutane to be 74 kcal, so that the same value may be as- sumed in the case of octafluoucyclobutane; this is proved by data in publications. There are 4 tables and 13 references, I of which is Soviet. ASSOCIATION: Akademiya nauk SSSR Institut khimicheakoy fiziki)Moskva Card 213 (Moscow)Institutsof Chemical PhysicsAS USSR) '1`11 , 1, k - C.;--,;(",:: j t, jr,11 , .1 (1" .. :~ *I!i.- ' -7-5./""' .- ."I" -;, - " __ : *j -.7 " ~ -- ; ; ;. - . . f I I ~ ~ 1. Hydrocarbons--Decomposition 2. Hydrocarbons--Heat of formation 3. Chemical reactions--Theory 4. Hydr6carbons--Bonding i'r: ,.rd 5(1,3) SOV/20-123-2-23/5-0 AUTHORS: Moiseyev, V. D., Lyadova, Tu. I., Ts4aneyev, T. I., 5eyman, M. B., Voyevodskiy, V. V., Correspondifi-g-*e,~ ~S USSR TITLE: Ways of the Formation of Propylene and Etnylene in Isobutylene Cracking (Puti obrazovaniya propilena i etilena pri krekinge izobutilena) PERIODICAL: Doiclady Akademii nauk SSSR, 1958, Vol 123, Nr 2, pp 292-294 (USSR) ABSTRACT: As is known, up to 50 of' the initial substance in thermal iso- butylene decomposition are transformed into liquids (olefins, Aromatic compounds). Apparently the polymerization of the ixiitiai oiel'in forms the rirst stage of the liquid formation, with d1meric and trimeric olefin being formed. The latter them- s'elveb are capable of being transformed in various ways with thb'f-fnal result being liquid cracking products. Th e ratio Vetween carbon and hydrogon in these products is ab out 1 (Ref 2), whereas it is 2 in isobutylene. From this may be su pposed that h-ydtogen and methane are separated in the formation of the liquids; in principle, also heavier cracking gases with 2 and Card 1/4 3 carbon atoms each in the molecule can be formed. The problem SOV/20-123-2-23/50 Ways of the Formation of Propylene and Ethylene in Isobutylene Cracking concerning the type and amount of the gases escaping from the liquids or in their formation is not investigated at all. Pr~dpylene'is one of the main produbts of isobutylene cracking. If-it *erb fofmed from isobutylenO only, its formation veloc- ity 06did d6dreaae with the exhaustion of the isobutylene. If' gY66P.Vl&ne*is, however, formed from the liquid or from any other iiit'droedi'ate'pr6duct of low stability (not from radicals), its T6'r'mt~ti`on ve'locity in the beginnipg of' the reaction must be equal to zero, and then increase According to the law of' suc- oebsive reactions. If both Wayt ol' the I*ormation of propylene drd-dorrect the two pidtUres must agree. This was the case in the piesenVeiperimLints. The change'of the formatiDn velo .city of propylene.was investigated by the isotopic kinetic method (Ref 3)..Ye.. D..Fedorov took part in the synthesis of' the marked .14 Vk,6pYlene'(with C on the hydroxyl group). This propylene (15'toila~) 'wab'subje6ted together with is'obutylene (285 torr) to a..cxac1L!ng.in vacuum at 542O...The-.course of the specific activity oc and of the C 3H6 concentrations are given in figure 1. Card 2/4 Figure 2 gives the formation velocity of propylene w 1, In the SOV120-123-2-23150 Ways of the Formation of Propylene and Ethylene in Isobutylene Cracking begi.nning.of.the reactions this value w 1 is not equal to zero; it increases during the first 10-12 minutes, i.e. to about 20% isobutylene transformation. This.w 1 increase tends to show 'thata cbnsi'derable propylene amount in isobutylene cracking is ho-t-formbd'from isobutylene but from any intermediate products of the cracking, obviously from liquids. As may be seen from 'figure 2, the formation velocity of' propylene passes a maximum withih the range of 10-14 minutes and then decreases. The authors consider'it to be premature to draw any conclusions. The*ethylene activity determin6d in some experiments besides tHd dpecifib'activity of propylene is given in figure 3. As thi's activity is much lower than that of propylene, this tends to show that only part of the e-thylene is formed from propylene. Also ethylene can be formed either from isobutylene directly or from liquids. Based on the experimental results obtained it is not possible to make a decision as to the way of formation prevailing.' The fact that Propylene is formed from liquids tends to show the possibility of the ethylene formation from the Card 3/4 latter. There are 3 figures and 4 references, 2 of which are SOY120-123-2-231~0 Waye of the Formation of Propylene and Ethylene in lsobutylene Cracking Soviet. ASSOCIATION; Institut khimicheakoy fiziki Akademii nauk SSSR (Institute of Ch(�mical Physics AS USSR) SUBMITTED: July 28, 1958 Card 4/4 88843 S/026/6o/oco/o12/oo1/ooq 1~1, loirs A166/AG27 AUTHOR: V TITLE: Free Radicals PERIODICAL: Priroda, 1960, No. 12, pp. 10 - 16 TEXT* The article explains the mechanism of free radicals and the part that they play in chemical reactions and chain processes. together with an ac- count of their study by means of "metallic mirrors". The Soviet academician N.N. Semenov has contributed much to the study of chain chemical reactions. Academician V.N. Kondratlyev has detected hydroxyl radicals in the reaction of the oxidation of hydrogen, using the "metallic mirror" method. A number of rad- icals were detected with mass-spectrometers. Another useful method of studying the*properties of atoms and free radicals is that of electronic paramagnetic resonance, discovered by Ye.K. Zaboyskiy in 1944. At the laboratory of V.V. Vo- yevodskiy, Corresponding Member of the AN SSSR (AS USSR), detailed studies have been made of the properties of tephlon, irradiated with gamma-rays, using the method of electronic paramagnetic resonance. Under the gamma-radiation, rupture of the C - F bonds occurs in the tephlon, and radicals form of the type: Card 1/3 88843 310261601000101210011009 Free Radicals A166/AO27 P F F F F F F C - C - C - C - C - C - C F P F F F F F. These radicals react readily with oxygen to form peroxide radicals of the typ62 0 0 6 F F F V F V C- C - C - C C - C - C F P F F F F F Heating and evacuation causes the peroxide radicals to break down and liberate oxygen, changing into fluoralkyl radicals. Study of this reaction at different temperatures has shown how strongly the oxygen molecule was bonded to the carbon molecule. The angle enclosed by the oxygen molecule and the C - 0 bond in the radical was also measured. Radicals in tephlon proved to be stable up to 3000C and can cause the polymerization of various monomers. Research has also been carried out into the ionizing irradiation of organic substances, a process which can improve the quality of a polymer. Irradiation of polyethylene leads initial- ly to the formation of the radical Card 2/3 88843 Free Radicals S102616010001012,10011009 A166/AO27 H H H I C H H At room temperature this radical gradually changes into another radical of unde- fined type. The uncoupled electron in the radical is not firmly bonded to the carbon atom but can shift along the chain of other carbon atoms. Encounter with another electron leads to recombination of the radicals, a process which is also currently under study. There are 3 photos, 2 diagrams and 3 references; 2 So- viet and 1 American. ASSOCIATION: Institut khimicheskoy fiziki AN SSSR (Institute of Chemical Phys- ics, AS USSR), Moscow V/ Card 3/3 83135 '57,3.200 S/02 6o/133/005/013/019 Z79r? 0 0 B016YB060 AUTHORS: Likhtenshteyn, G. I., Buchachenko, A. L., Vedeneyev, V. I. TITLE: A Semiempirical Method of Calculating the Formation Heats of ILydroperoxidesyhnd the Conjugation Energies of Some Peroxide Radicals I PERIODICAL: Doklady Akademii nauk SSSR, 1960, vol. 133, No. 5, pp. 1102-1104 TEXT:- For the calculation of the energetics of reactions in which hydroperoxides take part, it is necessary to know the formation heats of the latter. The scarce experimental data on AH of hydroperoxides do not permit the use of the well-known semiempirical calculation methods (Refs. 1,2) when calculating the formation heats of organic hydro- peroxides. The method suggested here is based on the following considerations: following the ideas developed by N. 11. Semenov (Refs. 3,4), the magnitude of the bond energy X - Y (QXy) can be represented as follows: QXy = EXy - BX - By, where EXy is the splitting Card 1/4 83135 A Semiempirical Method of Calculating the S/020/60/133/005/013/019 Formation Heats of Hydroperoxides and the B016/BO60 Conjugation Energies of Some Peroxide Radicals energy of the X - Y bond. In this connection, the electron configurations of the free X and Y are assumed to remain equal to those in the initial molecule. Bx and By are the conjugation energies of the radicals X and Y. Consequently, the authors write down equations (1), (2), and (3) for compounds of the types XOOX and XOO*. It follows from the law of energy conservation that the identity Al + A2 = AO + AO = const (4) is preserved 1 2 regardless of the nature of X, with AO + Ao being the sum of two three- 1 2 electron bonds in the oxygen molecule. In fact, the transition from the state XOOX to the state 2X + 02 can be realized in two ways: a) by the simultaneous splitting of both OX bonds under energy consumption (5)~ or b) by the successive cleavage of X from XOOX and from XO~ (6). The combination of equations (1), (2), (5), and (6) yields equation (4) which may be regarded as a thermodynamic criterion for the fact that all of the compounds discussed here correspond to the chemical formulas ascribed to them, that they are tuned thermodynamically, and that they obey the rule of additivity. The numerical calculation of A, and A2 on the basis Card 2/4 83135 A Semiempirical Method of Calculating the S/020/60/133/005/013/019 Formation Heats of Hydroperoxides and the B016/Bo6o Conjugation Energies of Some Peroxide Radicals of equations (1), (2), and (3) was carried out for cases in which X = H, Cl, C10, R, F, with R being a hydrocarbon radical. The data used for the calculations are shown in Table 1. It follows from Fig. 1 that the value A, + A2 = Ao + Ao = 82 t 2 kcal W) and is independent of the 1 2 nature of X. Equation (41) allows the calculation of the formation heats of hydroperoxides (Equat,ons (7), (8), and (9)). Fig. 2 shows that the points corresponding to the experimental results (Refs. 5,6) lie well on the straight line calculated on the basis of equation (9). The constancy of the values A, + A2 for different compounds and the applicability of relation (9).for hydroperoxides of different classes allow a fairly reliable calculation of the formation heats of such hydroperoxides for which no experimental data are available, by means of a comparison with the known-formation heats of corresponding alcohols. This again permits the splitting energies of the 0-0 bonds to be calculated. Fig. 1 shows that the co njugation energy of the peroxide radicals drops with decreasing electronegativity of the atom which is directly added to oxygen. Other possibilities of applying equation W) are finally Card 3/4 83135 A Semiempirical Method of Calculating the S/020/60/133/005/013/019 Formation Heats of Hydroperoxides and the B016/Bo6o Conjugation Energies of Some Peroxide Radicals mentioned. There are 2 figures, 1 table, and 8 references: 6 Soviet and US. t/r ASSOCIATION: Institut khimicheskoy fiziki Akademii nauk 5513H (Institute of Chemical Physics of the Academy of Sciences, USSR) PRESENTED: March 21, 1960, by V. N. Kondratlyev, Academician SUBMITTED; March 18, 1960 Card 4/4 S/020/60/134/004/012/023 B016/Bo6o AUTHORS: Kudryavtseva, Yu. 1. and Vedeneyev, V.. I. TITLE-, The Mechanism of 1~thylen lFormation During IsobutXlene Cracking PERIODICAL: Doklady Akademii nauk SSSR, 1960, vol. 134, No. 4, pp. 828 - 829 TEXT: An investigation of the mechanism of thermal cracking of olefins (T = 500 - 7000C) is heavily complicated by polymerization reactions. The authors have proved in anearlier paper (Ref. 3) that only a minor part of the resulting ethylene is formed from propylene on the thermal decomposition of isobutylene. As has been further shown, propylene is also formed on the decomposition of isobutylene polymerization products. The authors believe that the same mode of formation also applies to ethylene. In an effort to solve the problem of ethylene formation definitely, they studied the cracking of isobutylene by adding 0.2% of C14~.tagged ethylene. A 300-mm mixture was cracked at 5450C. The cracking products were separated in a column with ACM (ASM) silica' gel. Untagged ethylene was added to the Card 1/3 The Mechanism of Ethylene Formation During S/020/60/134/004/012/023 Isobutylene Cracking B016/BO60 ethylene thus separated, and burned over CuO in a nitrogen flow to form CO2. The latter was absorbed by means of Ba(OH) 24 and the activity of the BaCO4 precipitate was measured by an end-window counter. Fig. 1 shows the changes in concentration (a) and specific activity (b) of C 2H4 in tile course of cracking. Fig. 2 shows the formation rate of C 2H4as a function of timed This:rate'is-not, e_qu&l to zero at the zero point of time. It follows that part of C2H4 is formed directly from isobutylene. A scheme illustrates the modes of ethylene formation in the course of thermal cracking of isobutylene: propylene isobutylene ethylene polymerization products Another scheme illustrates the mechanism of direct ethylene formation from isobutylene: Card 213 The Mechanism of Ethylene Formation During S/020/60/134/oo4/ol2/023 Isobutylene Cracking B016/BO60 --------------- CH I CH~~ CH 3 3 CH 3 + CH2~== C ---~%CHS-- CH;~-C` h 2 CH 2- CH,/ C 2H4 + 8o-63 H7- \CH3 \ CH3 \ CH3 Methyl radicals are undoubtedly present in the reaction zone. Unfortunately, there are no experimental data to indicate that isomerization reactions of radicals actually arise in the cracking process of hydrocarbons. There are 2 figures and 4 references: 3 Soviet and 1 US. ASSOCIATION: Institut khimicheskoy fiziki Akademii nauk SSSR (Institute of Chemical Physics of the Academy of Sciences USSR) PRESENTED: May 27, 1960, by V~ N. Kondratlyev, Academician SUBMITTED: May 24, 196o Card 313 _MEXEYE;V. V.I.; CHAYKIN, A.M.; SHILCTV, A.Ye. Branching in chain reaction-9 involving molecu2ar fluorine. Kin.i kat. 4 no.2:320-3L Mr-Ap 163. (MIRA 1615) 1. Institut khimicheskoy fizUd AN SSSR. (kluorine) (Hy&ogen) (Fluorine organic 6mpounds) KUDRYAVTSEVA, Yu.I.; PAVlDV, B.V.;,_V~EDE~MV, V.I. Kinetics and mechanism of the thermal decomposition of ethane. Zhur. fis. khim. 38 no.4t978-980 AP 164. (MIRA 17%6) 1. Akadexiya nauk SSSR, Institut khimicheskoy fiziki. E VEDENEYIN, V.i. cf e.--- no,4:585-591 1. Institut khtnicheskoy fLzjkj. Ali L555R,, KUDRYAVTSEVA, Yu.I.; VEDENEYEV, V.I.; NIAZYAN, O.M. Kinetics and mechanism of the thermal decomposition of ethane (high temperature region). Dokl. AN Arm. SSR 39 no.1:29-33 t64. (MIRA 17:8) 1. Institut khimicheskoy fiziki AN SSSR. Predstavleno chlenom- korrespondentom AN Armyanskoy SSR A.Nalbandyanom. KUDRYAVTSEVA,, mFNEYLli$ V.I. hadll:lal mq-harff-m In thermal decompositior of atban.a. Kin.11. kat. 6 S' 0 li-~5. OKIRA 38:11) L, fnstitat khl.micheBkoy fiziki AN SSSR. GURVICH, Lev Veniaminovich; KONDRAT I YEV, Viktor Nikolayevich, akademik; MEDVEDEV, Vadim Andreyevich; FRANK9VICH, Yevgeniy Leonidovich; DRAGUNOV, B.S., red.; RYLINA, Yu.V., tekhn. red. (Energies of chemical bond breaking. Ionization potentials 4nd electron affinity]Energii razryva kbimicheskikh sviazei. Poten- tsialy ionizatsii i sredstvo k elektronu; spravochnik. (By]V.I. Vedeneyev i dr. Moskva,. Izd-vo Akad. nauk SSSR, 1962. 215 P. (MIRA 16:2) (Chemical bonds) (Ionization) (Chemical affinity) VEDENEYEV,.Vladimir-lvanovich; SHUSTOVA, I.B., red.; NAZAROVA, A.S., tekhn. rod. [Chemical radicals] Khimicheskie radikaly. Moskva, Izd-vo "Znanie.." 1963. 47 p. (Narodnyi universitet kulltury: Estestvennonauchnyi fakulltet, no.9) (MIRA 16:10) (Radicals (Chemistry)) VEDW=, V. P. Determ4 ation of boundar- U In y values of parameters and cons'nxtion of the zone of stable operation for ferrite-diode shift regis- ters. Trudy MEI no. 60 no. 3:25-35 165 (,,IIFA 11:1) Methods for calculating the parameters of ferrite-diode shift register for a given zone of stable operation. Thid.07-56 Special features in the operation of a ferrite-diode shift register and methods for increasing its operational stability. Ibid. :57-66. VEDMYEVO V.P., inzh. A measuring and indicating device. Energetik U no.2:21 F 163. (MM 16:3) (pipe be*Ing-19quipment and supplies) ACC MRs' AR6018969 SOURCE CODE: UR/0271/66/000/002/BG36/3036 'AUTHOR. Veder-eyev, V. P. TITLE: Determination of limiting parameter values and the stable region o. operation of a ferrite core-diode shift register SOURCE; Ref. zh. Avtomat telemekh i vychisl tekhn, Abs. 2B259 11REF SOURCE: Tr. Mosk. energ. in-ta, vyp. 60, no. 3, 1965, 25-36 ~TOPIC TAGS: shift register, magnetic core, logic design, logic element FRANSLATION: It is noted that for the determination of the.stable operational region of logic systems based on ferrite core-diode elements, it is convenient to take advan- tage of the relation between the magnetic induction of the core which feeds the data iand the change in the induction of the next core receiving this infor-mation; this rela-~ . i On the basis of the transfer characteris-, tion is called the transfer characteristic. i tic, the limiting values of any parameter which affects the operational stability of the register may be found and, using these values, the stable operational region of the register may be determined. It is shown that the register will be stable in a giv en region, the coordinates of which are the magnitude of the synchronizing current, if it is known that the register exhibits stable operation in two extremal points of the given region. It is suggested that this method be applied in the determination of UDC: 681.142.642.7 Card 1/2 NR; AR6018969 stable region of operation in the two- and single-cycle transformer type systems in any other type of ferrite core-diode logic system. 8 figures. K. ?. SUB CODE: 09 2/2 ACC NR: AR6018972 SOURCE CODE: UR/0271/66/000/002/BO37/BO'37 :AUTHOR: Vedeneyev, V. P. ,TITLE: A method of calculating ferrite core-diode component parameters for a shift ,register with a specified region of stable operation ~SOURCE; Ref. zh,. Avtomat telemekh i vychisl tekhn, Abs. 2B262 iREF SOURCE: Tr. Mosk. energ. in-ta, vyp. 60, no. 3, 1965, 37-55 ;TOPIC TAGS: shift register, magnetic core, logic design, logic element :TIRMSLATION: Using the example of an n-cycle shift register configuration without sup-, I I I 1pression ol- reverse data, the initial design equations are derived and conditions of ;their application are given. The assumptions are described and the design sequence isl i :led. The computations are carried out for rectangular and trapezoidal clock ;formula, 'pulse shapes. The technique for calculating the flow of the reverse data is given. ,'Final relations are derived and the sequence of desigh is established. It is maintain-! :ed, thatIthe proposed techniques for shift register parameter calculation for a speci-11. ified reglon of stable operation allow for the required number of design equations to ;,be derived. The basic design is based on the trial and error method with subsequent :correction of the selected initial equations. 4 figures, 2 references. N. P. SUB CODE: 09 UDC: 681.142.642.7 Card ACC NP,- jV-,601-6970 SOURCE CODE: UR/0271/66/000/002/rj036jBO'G A4THOR: Vedeneyev, V. P. T a n and 11TLE: Cemain properties of ferrite core-diode shift register opor tio A Mans _,'for increasing its stability :souRCE: Ref. zh. Avtomat telemekh i vychisl tekhn, Abs'. 2B260 REr SOURICE: Tr. Mosk. energ. in-ta, vyp. 60, no. 3, 1965, 57-66 .TOPILC TAGS: shift register, magnetic core, logic design, logic element i-W.11SLATION; It is noted that in some instances, e. g. , in the case of the large valu--~f es of timing &-apere-turns required for the data shift, the design of a shift register !cannot be considered satisfactory, even though the register satisfies the given re- :quir-aments. In the particular case, this leads to the condition where the supply gene-' imtor. feeds an inadmissibly small number of elements. In that case, steps should be itaken to increase the stability of the register for a smaller number of tur'ns of the ;shifting coil. To this end, specially shaped clock pulses are used. The selection of current pulse shape for transformer systems is considered. It is pointed out that in the absence of data feedback, the noise in the register is determined by the change in the magnetic state of the core on the inclined portion of the hysteresis loop; this i noise can be considered during design. The use of a ladder type driving pulse sharply!. UDC: 681.142.642.7 cas'd V2 NRt AR6018 improves the operational stability of the register and allows for a wide variation of the transmission characteristics. 3 references, 4 figures. K. P. SUB CODE: 09 can ACC NR: AT6035243 SOURCE CODE: UR.304")/66/000/00-"/0146/0~~I AUTHOR: Vedene ev, Ye. P.; Zhidkov, N. P. _Y i ORG: none TITLE: Resonance solutions of a system of equations for dispersion amplitudes of charged Pi mesons at low values of parameter Gamma SOURCE: 'Xoscow. Universitet. Vychislitel'nyy tsentr. Sbornik. rabot, no. 5,.1966. i Vychislitel'nyye metody i programmirovaniye (Computing methods and programming), 146- 161 1OPIC "LAGS: pi meson, resonance solution, equation system, charged particle ABST-IZACT: At low energies the real and imaginary parts of dispersion amplitude AiM 'i = 0, 1, 2) of charged v-mesons satisfy a system of nonlinear singular integral equations which cannot be solved by known analytical methods.' Therefore, it is very important to study the possibility of finding an approximate solution by numerical r~pthods. Such a solution reduces to finding a good initial approximate solution and i a rapidly conversing iterative process whieh makes it possible to find an approximate solution to the system by some numerical method making use of the initial approxima- tion. A method has been proposed for constructing limiting resonance solutions with power asym2totics when the resonance p6sitions for each of the three amplitudes of Vi(w) coincide. Another so-called "N/D method" selects a partial set 6f parameters and gives approximate resonance solutions of the system; the initial approximations a ACC NR-' AT6035243 to the solution are taken -from the previously mentioned method, but it must be noted that there may be an infinite nu:nber of solutions to Ai(w) if additional conditions are not imposed to ensure-uniqueness of solution in this function class. This follows .from'the fact that the real and imaginary parts of the dispersion amplitudes are con- nected as stated above. The present article proves that to obtain a solution to thisi system when y -~- 0 the sufficient condition on selection of parameters in the general i case is that each of the three amplitudes of dispersion Ai(w) have a single resonance: and that -.10.two of them coincide. At low values of parameter y this limiting solu- tion may be a good initial approximation for calculating system solutions by iteration methods. Orig. art". has: 70 formulas.and 4 figures. SUB CODE: ~~18 SUBM DATE: none/ ORIG REF: 003'/ OTH R EF: 001' USSR / Illicrobiology. Antibiosis and Symbiosis. Antibiotics. F Abs Jour : Ref Zhur - Biologiya, No 5, 1959, No. 19474 Author : Vedeneyeva, V. V.; Konokotina, A. G.; =enikova Inst : Leningrad Chem.-Pharmaceutical Institute Title : Antibiotic Properties of Preparation No. 13 Orig Pub : 8b. nauchn. tr. Leningr. khim.-farmatsevt. in-t, 1957, 3, 30-52 Abstract : Antibiotic 13 Is obtained from Penicillium 214, which is related to the type "asymmetrica fasciculata". In its properties, autibiotic 13 (1) differs from penicillin (it acts not only on 7ram-positive, but also on 3ram- negative microbes), from notatin (active In the absence of glucose) and from patulin (according to the antibacterial spectrum). Card 1/3 USSR / Microbiology. Antibiosis and Symbiosis. F Antibiotics. Nos jour Ref Zhur - Biologiya, No 5, 1959, No. 19474 of It cause the formation of abscesses. I does not depress the heart action, shows a stimulating effect of central origin on blood pressure, possesses spasmolytic action, and stimulates the depressed respiratory center (at an overdose of urethane). -- T. P. Vertogradova Card 3/3 13