SCIENTIFIC ABSTRACT KRIVENKOV, YU.P. - KRIVETSKIY, I.S.

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December 31, 1967
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SCIENTIFIC ABSTRACT
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Representation of ths,Solutions of the Ruler-Poieson-Darboux 20-4-6151 Equation by Analytic ftnotions In this formula y (s) and 1?(z) are functions- analytic in 6U L UV who" (4) kf(x) - W(X,O) (5) "4O a IT Theorems In order that a solution w(X,Y) of (I) for O~co(i tolonging-to C 2(T) , T*B can be reprvaontod in the form (3) it is naosamary-and suf fiaieut that one of the following conditions is isatiefiedt 1) there smists a solution conjugate& in T, 2) there .exists &.function &Aalytio.in T which.on L eatieftes.the-coudition (4), 3) in T there.exiate.an-analytic function which on L satisfies the condition (5). Two funations..w(X,Y) &a-w*(x,y) defined in T are-called acuJisgated if they belong to C2(T) and an L they satisfy thezelAtions; 9w DW* w(X'O) - w*(X'O)' lim yo lim y -Y -* 0 Y->O Card 2/2 So" conolusions are formuYlateds rdclx inst ASSOCIATIONI MUCOW PbYsical-Technical Institute (Moskovskiy fizikoAdh d0 itut) B t M Lavrentl ev~ Academician, April 9y 1957 Air-12 5, 195-7 AVAUABLEt Libraz7 of Congreav AUTHOR: Krivenkov, Yu.P. SOV/20-1,23-2-7: ", 0 TITLEi Re-p-r-es-e-Mttmm-of Solutions of the Equation of Euler-Foiabi, Larboux for Negative Coefficients (Preds%avleniya resheniy uravneniya Eylera-Puassona-Darbu pri otritsatellnom koeffitaiyente) PERIOLICALs Doklady Akademii nauk SSSR, 1958, Vol 123,Nr 2,pp 239-2142 (USSR) ABSTRAM The equation W ?2w 12w 0 ~w c, - const 2* -~-2 + x y by the author in earlier papers [Ref 1,2] under the assumption c;PO is now considered for c -.0. Let T denote a domain of the half plane y> 0 being adjacent to the interval ab (or L) of the Ox-axis; let T be the domain symmetric with respect to Ox. Let T for i) belong to the class B if TL/LU7T- contains all points of the rectilinear line which combines two arbitrary points of the -domain with the same abscissas. To the class EL(T) there belongs every function continuous in TUL and two times continuously differentiable in T, which for c - 0t satisfies the equation (1). To the class K 'T) .ck there Ielong thcse functions of E,,(T) which besides on L satisfy the condition at ~ w IAM y 5- - 0. Card 1/3 y --i~ 0 yV hoprobentationa of S,Autionu of the Equa',7(jr. of Fuller- "011/20 Poit"son Larboux for Negative Coefficiento ThGoremi If the solution w(,X,Y)rz.E (T) -2 e c - 1p and then: Til 0* (1) T12 0* when -a m 1. and ln -Vft In 12 T-a T11 (1)1 T 0* (1) when a ,,p I Card Z/3 Momentless stresses in a certain class of .... :;/"(58/62/000/009/007/013- Ifs In the shell so (T), 1 4 0 4- 2, streaaca a A0591A126 T' A (x) re estimated by the formulae, C In C + 0 if c In 5 and T12 . A (x) + 0 where A (x) 1C (+) , if c > 1, is an analytic function Of x on Lp end the stresses T11 and T12 are expressed as: Til - 0. (1) 12 1 0* (1) - 17c' If a and T11 , 0* (1) T12 C 0* (1) 1+c I.N. Vekua, A.V. Bitadze, and S-A- Tersenov are mentioned. if a > 1. Carxi 343 SOV/58-59-8-17415 Translated from: Referativnyy Zhurnal Fizika, 1959, Nr 8, p 67 (USSR) AUTHORS: Vallter, A.K., Klyucharev, A.P., Krlvets, G.Ye., Samsonov, V.M. TITIE: Nuclear Reactions Under the Bombardment of Beryllium With He3 PERIODICAL: Uch. zap. Khar'kovsk. un-t, 1958, Vol 98, Tr. fiz. otd. fiz.-matem. fak., Nr 7, PP 145-151 ABSTRACT: This article Investigates the nuclear reactions which take place during the bombardm3nt of beryllium with the nuclei of He3 at 1.5 mev energy. A beam of He + ions, accelerated by means of an electrostatic generator, struck a beryllium target 0-5/- thick which had been applied to a platinum backing. The produots of the reactions were registered on a photographic plate with an emulsion 20OAv thick, which was Inclined in such a fashion that It was struck by particles flying out at an angle of 900 to the beam of HO Ions. The spectrogram obtained on the film was plotted by 1,790 tracks. It consisted of a continuous spectrum and a discrete spectrum, consisting of five groups. Several maxima are clearly exhibited on the continuous spectrum. In order to interpret them, emulsions Card 1/2 were used which permitted the separation of the 0( -particles from the Nuclear Reactions Under the Bombardment of Beryllium With He3 sov/58-59-8-17415 protons. It was established in the results that in the case of 1.5 Mev ions of He 3 (which correspondg to jhe exeltation energy of a 26 Mev intermediate nucleus), the protons from a Be~" (He , p) B 1 reaction correspond to B11 levels of 0, 2.1, 4.4. 5.0. 6.7p 7.3p 8-O# 8.5, 8.9 and 9.2 Mev. It is shown that a reaction takes place with an emission �f OL -Partlc~es possessing a ma:x1mum energy of 19 Mev, which corresponds to both a Be (He3,d,) Be and a Be9 J He3 ::; 3He4 reaction. It was not possible to draw any quantitative conclusions concerning the contribution of the Individual reactions. V.I. Man'ko Card 2/2 SOV/58-59-8-17416 Translated from: Referativnyy Zhurnal Fizika, 1959, Nr 8, p 67 (USM) AUTHORS: Vallter, A.K., Klyucharev, A.P., Krivets, O.Ye., Samsonov, V.M. TITLE: Cross Sections for Be9 (He 3, P) B' 1* Reactions at 1.5 Mev Energy PERIODICAL: Uch. zap. Khar1kovsk un-t, 1958, Vol 98, Tr. fiz. otd. fiz.-matem. fak., Nr 7, PP 159-161 ABSTRACT: In order to determine the cross sections for Be9 (He 3, p) Bll* reactions, w~jch correspond to the excitation levels of 7.3, 5.0 and 4 Mev of the B nucleus, a thin beryllium target was bombarded with Hel-ions, accelerated by means of an electrostatic generator up to 1.5 Mev. The charged particles flying out at an angle of 1200, were registered on photographic plates having an emulsion 2001A thick. The quantity of He3 ions was determined ftom the intensity of current in the target, which was measured with an integrator. The total cross sections f,:r the three groups of protons were estimated from the resulting magnitudes of the differential cross sections at an angle of 1200 and of the angular Card 1/2 distributions of these groups of protons, corresponding to the nuclear SOV/58-59-8-17416 Oross Sections for Be9 (He3, p) Bll* Reactions at 1.5 Mev Energy levels of 7.3, 5.0 and 4.4 Mey. The following values(in mbarn) were obtained in 'the result: (1.4 -" 0.7), (0,5 ! 0.25) and (1-0 t 0.5) respectively. V.I. Man1ko Card 2/2 MITER, A.K.; ZALYUBOVSKIY, I.I. LZaliubovalkyi, I.I.]; MIVETS, G.Ye. (Kr7vets', H.M.]; LUTSIK, V.P. [Lutsyk., V.P.] -- Isomeric states of odd-odd nuclei from the viewpoint of a collective model. Ukr.fiz.zhur. 4 no.6:689-696 H-D 159. OURA 14:10) 1. Fisiko-tekbn1ohaskly institat AN M36R. (Isomerism) (Nuclear models) 21M SOV/48-23-2-12/2o AUTHORS: Val'ter, A. Ks, Zalyubovskiyj I. I.# Klyuchurevj A. Pop Krivetat 0. Ye.j Lutsik, V. A, 67 68 TITLE: On the Excitation States of the Nuclei Ga and Ga (0 vozbuthdewWkh aostoyaniyakh yader Ga 67 1 Ga 68 PERIODICAL: Izveatiya Akademii nauk SSSR. Seriya fizicheskayaj 19591 Vol 23, Nr 2, pp 225-227 (USSR) ABSTRACT: For the study of the lower energy levels Gd 67 and Gd 68 the authors investigated the y radiation which occurs in the reactions Zn 66 (p,y) Ga 67, Zn, 67(p,n,)Ga67 and Zn, 67(P,I)ra 6a. 66 67 The zinc targets used were enriched with Zn and Zn . The y lines determined duiing proton irradiation of the targets are listed (representation of the spectra in figures 1 and 2). The lines 17OP 358, and 51o kev are caused by re- actions of the types Zn 66 (p,y)Ga 67, Zn 67 (pny)Ga 67. The (p,ny) reaction corresponds to the transition from the secondary Card 1/2 excitation state into the basic state; it is a threshold re- On the Excitation States of the Nuclei Ga'~ and Ga ORY/48-23-2-12/20 action. Accc%ding to these datap a scheme ofthe lower energy - 7 is given in f;gure 4- gecause of the difficulties levels of Ga. of inveatigatingreaction Znb-j (P#Y)GaOO the-authgre measured only the upper limit of the I spectrum in the Ga 8 decay. It is found at I quantum energies of 2.05 + 0*1 Revs There are 4 figures and 4 references, 3 of which are Soviet. ASSOCIATION: Fiziko-tekhnicheskiy institut Akademii nauk USSR Kharlkovskiy goo. univernitet im. A. M. Gorlkogo (Physioo-technical Institute of the Academy of Sciencest UkrSSR, Khar1kov State University imeni A. M. Gorlkiy) Card 2/2 04~.- zzz. 414V Ar eks CObjt2 Z40-9. 008" 611631~~i t J2 -0 J4 4 et4. Aht ttn t*etz 2720 Tc*ed fto no. 6 .# 11)~ .poncz, 01% 42 1,963 'tg'~ pzes eet or ?I t fto- re -".06 Nkb e - ,e ajtI% el. Sot Qw the 441 421' C!PIC -to 0 4( 'Jeetz'C otlent &*46 C2 ttes 04 .04 Vr4-'S4 e 00 es t"'e xir ~44 1% 1.%1 0- at I or attv 1*0 j :"7tael % 4 !# Ot 04 '*e842 4 tc~" 4r,* Z -t 720 o7t 044 e4 cobAl P20 ect the 2%,1011 t~14) or t dtf.r alone at the Pe4a Z04 12 1 tx -to et..e N' f 4Xde I VZQ-.totla I;& 44k 44cl j/.E. e2'On t I Ch tt~t' Ch 0. (tte C ki t .1 !~~ v4 " t2 * detR12 or Posal~~e. M;~!v r'- Ickbk. cr 17fts eect, a to to 1* !%o&j Oe... 014 a $tea. Cie. Of 14,7 01 t Ae 'Qt~ Thai Or :ea.. I Ox.10 ctt 0a y - ;'~ - th Ch etveen e CO Ju*OfO' Oter, 014 no 112 t Sol-` -gists to nos* CL- inicro art. cl-efte Orig. e eel c2es. ,.,Ote 000 fgO 00 L 13617-6~ AMEMION KRi AP3003093 creasing mass n=ber for the ma4orllar of the targets Investigated. The wigular and energy distributions of the alphs, particles indicate that there are two mechanisms by which the reaction can proceed: directly and via production of a cormound nucleus. "in cono-luslon, the authors thank Senior Scientist of N=. A. A. SirotinskaWa, for developing and producing the apecial type D emulsions, permitting reliable discr1minstion of the Alpha particles and protons. The authors are grateful to the crew of the linear accelerator, headed by A- M- Smirnov. The authors r4ote with gratltule the large emunt of voirk done by microscopists T, F, S sava and A. A. Xirlyanova in scanning the emulsions." Orig. art. has: 10 figures arA 1 table. ASSOCIATION: Fiziko-tek-hn1cheskly InatItut Akademli nallk UkraInskoy SM (awsicotechnical Institute$ Acadeqr of Sciences,, WaSSR) SUBMTED., .18Sep63 DATE ACQ: 23Jul63 EXCL: 00 SUB- CODE:-00- -7-]Vo- ami -010 Card. 2/2'' . ..... mmvmqm"w4w mww U 4,10 'are Sl phose ale, V464107'% ol kj 1964t VUr bOtl 14 1AIL" he Net joba $SILO I Iola 9 btlIty Ito* IMC45 v O'ba VoNet%ml, 'he 1?,ro g~04 a. k .'N .11 61C Ol tl%o %.0 60,por VbXse survag t 101tv6s Ga Ott P613Vlop~'-plalls L~ t 0,411 -0054 4 to Soto Ix . tow &I. oil * I ties I'SIT Method Jo 0 040to Tooth I .rTT Cos. , ot vlrtb 406te Toot et%qe too a .1) t0% SIG b stetle t so PbxGG 10.10aevo enee 'Imcloo to 6-agge i GO o is ovattLes 10 kf6e rrovilc SOP IUase 6,04has ava P I IL ST,0.Gfr kries 02.0%4 jorl 1, bl-Oc Oj tb,6 oj tyLe ot tuo else aetwattl .40'.tasolk'a a, ItLe st cuallo ctJOA olicals *,tee c &to 01 efel JG6 ac T CIO. aey eleve 060 WIG as *%A 000 $PC In the lad, a Stlywi? Pyoge a tralne e too ov.%* th Otte 001 1.501 Sor 1014' 53u:ao '00 SUP so rd 2/2 32920 S/191i 61/000/011/055/070 D271?VnD302 AUTHOR: Krivet TITLE: New noise-suppressinq attachments for marine radio receivers type "AS-2' and "Volna" PERIODME: Referativnyy zhurnal. Avtomatika i radioelektronika, no. 11, 1961, 10, abstract 11 K73 (Inform. sb. tsen- tr. n.-i. in-t morsk. flota.. 1960, no. 54, 64-69) TEXT: New noise-suppressin~ attachments for "A.3-211 and "Volnall receivers are described; their purpose is to help the aural reception of radiotelegraph signals when interference level is high. The apparatus is a limiter clipping both ponitive and negative inter- ference peaks exceeding the amplitude of the useful signal. Limit- ing level is automatically maintained equal to the amplitude of the received signal, and with any relations of signal arid noise at the limiter input, interference voltalfe at its output cannot exceed the amplitude of the signal. To ensure a more rcliable noise stability, Card 1/2 3MO S/194/61/000/011/055/070 New noise-suppressing attachments... D271/D302 the limiter, whose basic function is to limit the energy of noise is 0 placed not in the low frequency part of the receiver after the detec- tor as is usual, but in front of the detector in the IF amplifier. In consequence, it war possible to introduce after the limiter the voltage from the third local oscillator w1hich is used for form beat- frequency for aural reception. This process of frequency conversion of interference already reduced to the level of the signal, further helps in its reduction. As a result, noise level at the detector output is below signal level. The -mcchanism of noise reduction by frequency conversion is clarified. It is pointed out that the noise limitir~g equipment and the frequency convers between them, ensure even greater defense against interference. ?Zstractcr's note: Complete trans lation_~ Card 2/2 29551 4,7110 s/io6/61/r)oo/o1i/oo3/oo6 ~, 31 IV (1/37-111 A055/A127 AUTHOR: Krivetakly, A. A. TITLED Method for suppressing pulse interferences in radiotelegraphy re- ception. PERIODICAL: Elektroavyazl, no. 11, 1961, 25 - 29 TEXT., The author describes a method permitting to reduce the average level of pulse interferences by heterodyning the interference voltage. This meth- od is based on theoretical Investigations carried out under the supervision of the Candidate of Technical Sciences A.A. Fersman. The underlying idea is the follow- Ing: when the Interferences and the third heterodyne voltage act simultaneously on the detector, the probability laws of the distribution of Interferences change, and it proves possible to create more advantageous conditions as regards.noise Immunity. For simplicity, the amplitudes Wint and Uhet respectively) of the en- velopes of the Interferences and of the heterodyne can be considered equal. In the h-f channel of the receiver, the interference voltage is added to the hetero- dyne voltage. The total voltage is a random magnitude. Figure I is a vector dia- Card 1/A/ Lv 29551 3/106/61/000/011/003/006 Method for suppressing pulse A055/A127 gram ahowing the sum Of Dint and 0het. 31nce Uint Uhet,, the modulus of the sum- -vector Is given by: U I - J2 2 Cos (2) Dint, + het Uhl,. + Uhet With audio reception, the ear reacts, during the intervals between pulses, only to the changes of the direct component of the heterodyne voltage across the de- tector load. In the presence of interferences, the variation of this direct com- ponent Is determined by: A U 2 U2 + 2 U.2 Cos U (3) het het het het The!,efore, the Interference overshoot is fully reproduced only when cos T_ + I (see curve In Figure 1). The total value of the interference overshoots ttupwards" Is determined by the integral. 2r12 (4) Lx '(1/'2 Uhe~~' "het'"~T - Uh.t) Cari 2/~, 29551. Vio6/61/ooo/011/603/006 Method for suppressing pulse .... A055/A127 The average value of these overshoots at all possible phase-difference angles Is: 7;72 M (U int +Fr The het Cos Uhet dy- j 115 /3 (5) 4 Ullet o.44 u Ix Uhet qu I- het The analogous expression for the overshoots "downwardtf Is:C M(U 1 U _V2 U2 2 U2 cos d int Fr het het + het Uhet 4 U sin o.16 het 2 Uhet X 1r/3 The average value of the Irence overshoots acting on the ear is equal to the sum of (5) and (6) (the sign not being taken Into account in this addition), i.e. Card 29551 S/106/61/000/011/003/006 Method for suppressing pulse .... A055/Al,27 M(Uind - o.44 uh,t + m6 Uhet ' 0.6 Uhet - 0.6 UInt. (7) Heterodyning permits thus to reduce by 40 % the effect of Interferences. Under thq u5ual conditions, any relation may exist In the receiver between the hetero- dyne and the Interference voltage. To set up conditions reducing M(UInt), it is sufficient to limit the interference voltage in -the h-f channel before the hetero- dyning stage and to choose a heterodyne voltage not inferior to the threshold le- vel. If the limiting threshold 13 equal to the amplitude of the useful signal, the average magnitude of interferences In the Interval will be- M(U int ) - o.6 usignal' The usp of a bilateral limiter in the h-f -.hannel of the receiver permits to ob- *,%In a noiseproof system called "wideband- limiter-narrowband filter system". This system with the added heterodyning can be called "wileband-lImIter-hetero- dyne-narrowband filter system". The complete circuit of thi,~ 5ystem is briefly dencribad. There are 2 figures. X SUBMITTED: May 12, ig6o. Card 414/ KRIVETSKIYj. A#A# I Possibility of clipping in radiotelephone communications In the merohant marine. Inform. abore TSNIIMF no.85 Sudovozh,, I sviaz' not,22t85-89 163, (MIRA 17:3) XOR&Vp L.P.; KRIVET3KIY, A.A. Measuring the effectivi transmission band of resonance syatez frequencies. In. vys. uabab. zay.; prib. 8 no-51lg-21 165. (HTIRA 18110) 1, laningradekoyn rpsheye inzhenernoye marakoys uohilishche imeni admirala S.09 Makarm. Rokomendovana karodroy teoriti- cheakoy radiotakhniki. ACC NRi AR6035394 SOURCE CODE; UR/0390/66/000/009/VO25/VO2~ ALYMAORs Kononovg 0. V.; Krivetskiy, A. A, TITLE: Estimate of the accuracy of radio direction finders vith audio output when working under pulsed noise conditions SOURCE: Rafe zhe Yodnyy transportp Abe, 9V178 R=-F. SOURCE: Inform. ob. Teentr. n,-i. in-t morsk. flota, no. 31(141), 1965, 54-5T ITOPIC TAGS: direction finder, acoustic noise, signal noise separation, navigation ABSTIRACTs The authors have determined experimentally the dependence of the limiting value of the coefficient XLim characterizing the minimum signal amplitude that can be distinguished from noise, as a function of the repetition frequency F and the ampli- tude of the pulsed noise. The dependence on F can be approximated by straight line with 6 db/octave slope. Using this dependence, one can calculate the maximum error o an audio direction finder under conditions of pulsed noise vith known value of F. 2 illustrations. Bibliography, 2 titles, (Translation of abstract] SUB CODE: 17, 09 Card 1/1 uDc, 621.396.663-004 ACC_NRg____ ------- ARG035219 SObRCE CODE- AUTHOR: Kononov, 0. V.; Krivelskiy, A. A. TITLE: Assessing the accuracy of Li.-!oustic direction finders during operation with pulse interference SOURCE: Ref. zh. Radiotekhnlaka i elektrosvyazl, Abs. 813211 REF SOURCE: Inform. sb. Tsentr. n. -J. in-t morBk. flota, no. 31(141), 1965, 54-57 TOPIC TAGS: direction finder, signal interference, pulse interference ABSTRACT: The dependence of the limit value of tile coefficient Klim was experi- mentally determined. It characterizes the minimum amplitude at which signals can be distinguished in interference, froin repetition rate F and the amplitude of 'the pulse noise. The dependence on F can be approximated by a straight line with . . incline of 6 ~6'for till octave. ar Using this dependence, it is possible to compute the maximum error by the acoustic direction finder under pulse interference conditions with a known F. Orig. art. has: 2 figures. Bibliography of 2 titles. [Translation of abstract) [NTJ Card 1 / 1 SUB CODE: 17/ UDC: 621. 396. 982. 6 ZRIVNITSKI .- Inshener (Kiyev). Travelling exhibition on construction technology. Oor. L sell. stroi. no.2:26 1 157. (Km Ia.-6) (Mcmine--Construction industry--Exhibit ions) BILOSHTANY A.P.; BOYKOI M.F.; DOROSHENKO, Ye.P. (Doroshinko, K.P.]; ev DOTSENKO, P.P.; KILICHEVSKIY, I.A. (Killch va-k 1.0 MARINICHENKO, V.G. (Marynychenko, V.H.1; RAM, L. . _..S. (Kryvetolkyi.0 LS.]v red.; RO NKO I.N.0 KRIVF a AJOKkj,j red.; TRITINCHENKO, A.P. (Trytynchenko, A.P., red'4 inzd-va; VIRICH, D.V. [Virych, D.M., t6khn.red. [Russian-Ukrainian agricultural dictionary] Rosifelko-ukrains'- kyi sillskohospodaralkyi slovnyk. Ukladachiz Aff.Biloshtan ta inshi. Kyiv, Vyd-vo AN URSR, 1963. 438 p. (MIRA 170) 1. Akademiia nAuk URSR, Kiev. Instytut movoznavstva. 2. Chlen korrespondent Vsesoyuznoy akadexii sellskokhozyaystvennykh nauk imani V.I.Lenina (for Romaenko). BILOSHTANq A,P,; BOYKO, M,F,[Boikoj .11.F.),kan.fil.naukjDOROSMKO Ye.P.; DOTSENKOO P.P.; KILICHLrVSKIY, i.A.jKil'chevo'kyiO 1.0.1; VACIRICHWX09 V.G.[Maz-pVcbenko, V.H.]; RAK L K.; LCRIVETSKIY, I.$ [Kryvetolkyi, I.S.J, red.; ROMANENKO, i.N:, recIT7--"*A- ifflINCHZNKO, A.P (Trytynchenkop A,P.]j redAzd-va; VIRICH, D.V#[Viryoh~ D.V.j, tekhn. red. (Russian-Ukrainian agricultural dictionary] Rosiislko- ukranolkyi siltolkohospodarslkyi slovmyk. Ukladachi: A.P. Bilouhtan ta inshi. Kyiv, Vydiv, Vydvo AN URSR, 1963. 438 p. (MIRA l7t2) 1. Akademiya nauk URSR, Kiev. Instytut movoznavstva. 2. Chlen- korrespondent Vsesoyuznoy akademii sel'skokhozyap3tvenrykh nauk im. V.I.Lenina (for Romanenko).