SCIENTIFIC ABSTRACT GLAGOLEV, V.L. - GLAGOLEVA, A.F.

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December 31, 1967
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SCIENTIFIC ABSTRACT
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r od:~ For Sov m yl: Y A. , S/05 6/6 O/o 3 9,/C C61", 2 6/o 6 3 B006/-1056 A UTHORS Glri&olev , V 101'ozov , A. 11. , Y a rilpol 1.q',.-_Jy, T IT LE: Reactiong Leading to the Forz-ation :,ef 'he Fb 2 0 5 ir, P ER, 10 D 1 ~321 L .Zhurnal eksperimental Inoy i teoreticheskoi, 1)60, Vol. 39, No. 6(12), pp. 1621 - 162,1 TEXT : It was the aim of the authors to investigate more cicsely "he characteristics of the short-period gamma radiation fr,-_21 thallium irradiated by 1Q..2-.'jTeY protons and from lead, !.rra1laltnd by 14-7-',,'ev neutrons, and to prove that this radiation mas-. t)(- ~ijcribed to thi! iso~.~er Pb 205,,l,,. The experimental method is describt~,' iti ~~.n e-irlier Papur (Ref.5), From. a multiple of measurements the D1' this short- period zadiation coald be determined as (0.911 1 0.01)"Alev; in th- spectr,,;m of this radiation also lines with 0.75 4 0.01 and (0.27 L 0.02)11ev may be observed. Investigation is rend%.red m:)re diffi- cult because of the considerable background. The "qa7f_14fe c--' the radiation with 0.97 Mev could be determined as (5.2~L.C.5 I.-.isec, a.Dd it waF 205 shown that this isomeric radiation occurs in the react..!:j.,t ~,f Tl, iith Card 1/ f3 Heactions Leading to the :Formation, of the S/C5 CE 0,'03 6/06 31 Isomer Pb 205M BOC6/3(:56 protons. The minimum proton energy a" -nhi~~h it oc:urs 'vio 'e-,el-inecl (7-7 + 0.4)111ev. The data obtained can be explained only by assuiming that 205 the isomer2is formed according to the reaction TI (,,n)?b"'~'m. With a 32.3 mg/cm thick thallium target, the cross section c-" tlic r-,:action wa!! determined as oM = (20 + 4)mb for an energy of 19.2 1',1ev. Further investi- gations of the short-period radiation were made by bombardinT lead by 14.7-MeV protons; in these experiments, the half-life of radiation was determined as (5.0+0.2)msec, the maximum intensity corresponded to an energy of (0-94 + U.02)11ev. Further investigations showed ths~t this reaction was Pb 206 (n,2n)Pb 205m; its cross section was dezer~ined as those C1m (1.1+0.2)b. The results are compared with U obtained by other authors and are discussed. The authors thank A. F. Klyucharav for his interest and the accelerator team of the FTI AN USSR (Instituto of Physics and Technology AS UktSSR) Rri Well as M~. V. "iki~ihova for ex- perifliental help. There are 1 tablp and 7 referencea: d '1;Cv_`,%t, 2 US, and 1 Dutch. C'q I, (1 2,1 ~ Reactions Leading to the Formation of the S/056/60/039/006/026/063 Isomer Pb205m B006 3056 ASSOCIATION: Institut khimicheskoy fiziki Akademii naul: SSSi (institute of Chemical Physics of "Ile Academy of Scittnces U:iSR) S 1:3 M I T TE'D :Tuly 29, 1960 Card 3/3 AUTHORSt TITLEs PERIODICALi 2,: 1,.!6 S/05 6~6 1 C,/rIC., 5 /006/031 B 10213202 Glagolev, V.L., Yamilcl'skiy, P.L. Study of the reactions (n,2n) leading to thit formation of isomers Zhurnal ekBderlmontallnoy I teoreticheskoy fizil(if v- 40, no- 3, 1961, 743 - 748 TEXTt The authors have pre8ented the investigation M0010110 and the preli- minary results in previous papers (ZhETr., ~_6, 1046, 1959 and Lb 1621, 1960)1 in this paper, further details are given. The samples w-!tre Om- barded with neutrons which were emitted in a pulsed bombax(Iment, *,)y D2 ions of a thick tritium zirconium target. The neutron energy t3pectrum had a maximum at 14.7 Mev with a half-width of 0.25 Mev. The followinj~ results were obtainedt The lead isomer which had been formed In the reaction Pb 208 (n,2n)DLb 207M had a half-life of 0.81+0.02 see, the- ii3omar production cross section was 6m. 1.7 + 0.3 b. Similar experiments were made with Card 1/4 22!26 C, 3 1 Study of the reactions ... 31 0211,D3:(',-2 the reaction Bi i I , 2 n ) B It wag found that the onergits of gamma 2 08 m r~,diation accompanying Bi decay were 0.88+0.02 Mev and 0.1;0+0.02 Mev, the half-life was 2.6 + 0.1 msec, the reaction cro.3s, oec-'i M W:19 0.66 + 0.12 b. Further experiments were made in oider to de-;!rnine- the cross , ction of reactions which led to tho? formation of a 1,mir-lived nio.- biLIM isomer as well as experiments for a more accurate mi?uqur,?m_~nt of the Na 24m half-life. 10.0 + 0.5 d was obtained for the half.-lift: -)f the iscmar Nb 92g1 0-94 + 0.1 Mev for the energy of' t;amma radiatiorl acconarly-ing its beta decay. The reaction cross section Nb93(n,2n )Nt)92g ,,,Az5 found to be 0.56 + 0.06 b. The godium isomer was produced in the riaction Al 27 (n,-)Na 24m; the Na 24m life time was found to 1)(9 18.3 + (-1.6 i,~,uec, T h Y88m production cross section was 15 111 ";> 0 . ij b rtuthov~i calculated the cr,-)3u, section of lead-ioom,.Ir production tikat, this Card 2/4 SP" "x r" 11~ i 1r)".A P" 3 1 Study of tile reacti,)r-B . . . El C2/B2()2 208 ' 07 111 isomer is prcafitced orily in trip ri~,-Liori PI) (pj2n)P1--c . Th'? vitIlle ob.- tained was compared with thp orie c:ilculated from the strl~ng-interaction theory by amt.,~umiv., a two-sta~-E ri'.Oc"~anism (;f nel'.tr"'n ;!V-11:~:Va'ior~ in the set-.eme was ifie~] wa!; in (zi,2n) reaction. In thiq ciise al't-07 levol ~'.Jreemk~llt wtth 9hell mo(Aelt P112 (grcjund state)l ~r, )1V 0-57" RO'll P3/o 0-894 Mev; i,3/, 1.633 Nev (riwtn:;U~ble 8-NIte)l f. 11'~ 2'13~j'-?1'*Vj I- I [j 9912 2-75 MOV; i111/2 3.60 Mov; d5/2 4.42 Mev;_ g712 4-66 Mev; d 3/2 5.26 Mlevj furthermore a level with (1'-,,/2) and the energ;r 5 Mev ilt assumed. The relative probabilitLes for various. types of tranijitions &re estimated from the relatL)n between the lifetime of a niiol~iue in the excited state arid the transiti.on energy. The experimente.1 and theoretical results are in good agreement,, The- authors thank M4V. 1111C.ItO711 for ass 'i.- stance in the-experiments. V.,N. Sakharov,-B.S. Dthelepov, L.K. Pekex~q N.N. Flerov, T.M. Talitsyn, L.B. Migdal, L.V. Groahe,,r 'tnd I.S. Shapiro are mbntioned. Thpr-2 are I fiE~~ire arid 28 r eferenceq., P Soviet-bloc and 20 rloti-Soviet-'-Ioc. The 2 :-,,st re~.ent referer.ces to Pub- lic at ions rettd a.,, fe) I I ows -- D.- Strnminger, J.M. HoL1a,,l(J.e:r,, G.T. Seaborg, Card .31A, 221' 12 26 3tildy of Rev. Mod . P~ y:-. . II.J. Asby ~t R,, v . 1 1.1 616, ASSOCIA' !0,13 Irj,~tif;it fizi'-l Alc,idcii~ j 4 11 .1 I n i t f C',; "m i I ?hy." i t I A SUBMITTED6 Ir'10 Card 4/14 re ILIC- I to f ~-:l1 a. - a fo- e n;a-. in v C j-):- it." Vt,! o n "n n 11t c a V3"-y ca-,:-o4e Aca,l. n, c: (10~z Ud-w) VT-U 1011 -4 -1 wl -.1-1 cc, .3 -n-W --TA I~A c;,- T! -Tm ~6 'T-2 'C*A '.--I -j-U qxw 'i -M '"TT)~Zft -X-, -([-I _jg= ~oewwl-- -- - :PTx j. xr~ -1-A T-- "...-MiZZ ,V=IA= ~-dm .1 (K;r -1 lt~ 1. Cq ITL= ~odv 12rp. ....TQ.44 'ro-q ~-b-u XT=. P-T%j I- 1--n-Pw I.S.- .-,A V~- -4 --R am -7-4 --T% -TITP- I ..."It -n,-% r- w"I q~ .~-q n Iq M %I Vft--d f(~7*Tr'K WTIWTPM P~ ~-Tv- -"-M~Trw I -P.T.I"rvw -j -I-A W-rm J~ -tT-Tm -m r- i-I '(0 -T-A tP.-I -r-a 7- -4-v -T-A f(--T-CW 9 91 .1 1,.q.TTqd .1 --j- ql .2-.v-d qi -TIM- WP-2-1--T-W -% -A *" Z4 -9.9 . W; R~- M~Wrv- '. - A -n%WM- *V- ~.AA..q J. -T-U M - W- ~,q-d -I.- qjj.. IM.9 ~; T..T xi '"W In ,IV, -M ~n -,Tq-d ,,I Cq -dd Wjj Al. -jq-d -..Ttqd -T--n V-7[-M- V- I'll-V -'I-d LT I-M- 1 %,W .wd V.V-jAj, T X * rtq ."_M --f) T~a-q - - *S " "_4 '-J N-r-n" -7 xwzm "T-W f"Cl-K "I'D JIM" -nn) -rX "-""g r-j.A*Q J. r f-T.P"v . ..... TXTTT n%z) -WM 'Pn~pd .-Ts- 'd E51 '616T (-7--u =9 ~..dv) n.-W .1_.pW Inxt-r- qnm~ 6667 .-a -.,-o TPM/A= M=-Umol- mm I xnu ME 7 03 126 1 CCOE: A',,-,'! i 0,'t Da"Imnovn,A.Yt).; Glagolov,V.M.; 5hafranov,V.D. O!"G: Nolle TIYLE: Toroidal j)1;1JlWI tr3PA With NP-3tial magncLic axo., SOU12EI: ','hurn;iI L(~Iji u ic lies IWy fiziki, v. 316, no. 9, 1571-15~i,li TOI:C i'AGS :plasma confinement, flold, mairliotic ste-I'Larator ftc-11, maLhematic physicu AT367i',ACT: The authors discuss the confino;ient, of I.:1 ml-'rctic 0" :,lo-, type 'that can be produced by all Orldles."; solf"loid woun(I zhrou,:.I and al)ollz -I Circulllt-~- torus as exemplified by tile fi'.-Lir(-. 'rhes;~ fLelL; Call b(J of the fitrure-eight typo otellarator ficid p~-opo!;(x~ by (Phys. Fluids, 1, 253, 1951'0 , XVh!Ch t,LO '-l-.CIIdC it.; I Sf)CC.JaI C--ISQ- V.D.Shafranov (Yaclornyy sinto", 4, Lj.,I prvviotu;ly ShOW11 that the disj)LlCf!:IlollL of Ulu wir"'ace"; of tile field 0" a solenoid in the pr,~sencc of p1ns.-i-a Ls by the a and torsion of tho axis of the solenoLd. 1,i tho prescr.-,. curvatur , derived for tho and tor,10.1 of paper formi ulas ar(. solenoids of the considered typa, and tli,, ciisto~-tion of tacl.r 7TI magnetic surfaces in tho presenco of plasma- :L3 discussed. Topo- C.rd 1/2 1~ I I -'. 15-'.7 ACC ;NR: A1160312161 logically equivalent torus-solenoid Coffiguratiozls in which the Solenoid of line segments and circle arcs are also treated. It is concliidcd that z'-e tion of the magnetic surfaces is minimum when the solenold axis riakoj all 11.-~;Icj of about -15o wish the torus axis, and that n suitable value Of Lho ratio of Lila gaci ,pressure to the magnetic pressure for optimal corditions is 0.1. The aLlz:hors thank -Ye-G.Lariontsev for his participation in the preliminary calculation Tiork. Orig. art has: 40 formulas and 7 figures. SUB CCOS: 20/ SUBLI DATE: 31Auj-65/ ORIG Mr: 005/ al'Ir REF: 001 Card 2/2 L 1836-66 C ACCESSION NR-. AT5022417 UR/313()/6,t/00(1/674/0001/002,1 AUTHOR: Alikayev, V, V. -, Glap1q, TITLE: High-frequency paramagnetic stabilization and heatbtg of plasma"-w"Ith electromagnetic waves SOURCE- .-Moscow. Institut atomng enqgi. Doklady, IAE-074, 1964. Paraningnit- naya plazmy elektTomagilit.nyrni volnami, 1-24 TOPIC TAGS: plasma heating, plasina stability, plasma electron teniperature, magnetic field plasma effect, plasma electromagnetic Nvave ABSTRACT: It is shown experimentally that In the presence ol I-IFE-4.-MlIzing fields, convective.- type macroscopic instabilities are either maipleLply absent or areI strongly attenuated in a plar3ma with a coucentration. n of 1011. to 101.3 c111-3 located in a magnetic field having the geometry of an adiabatic trap. In the rartge of magnetic fields corresponding to from 0. 6 to 1. 0, a fast heating of the plumna electrolle takes place, so that the p7asma pressure Is about 10 times aisi liligh as the pressure of the HF field on thet plasma. The maximum temperature of the electrone of the heated Card 1/2 L 18,463-66 ACCESSION NR: AT5022417 plasma fs 1000 ev, At low plasma cone entr aLionr,, when t1m L;mii~11111i:r i--ilectrou frequency is closo In order of magnitude to the lifetime of the plasma dooreages in the presetice of HF fields. 'J"IdEi etfxut appears to be related to mi accelerated escipo of clectrou.-.1 Into tha "dwiffer cono" of the magnetic trap owIng to collectivo processes. nie effect of rvinoval o! i'las imitablilty was observed exparimentally. Orig. art. han: 12 figures and L formulit. ASSOCIATION: none SUBMITTED: 00 ENCL! 00 SUB CODE: ME. NO REF SOV: 001 OTHER; 002 Card 2/2 11 L (,)!765-67 B-Pr(l) FJTI) ACC NR: AP6018350 iiii/(;(,-3!?,'6~~/G,20/CJO.,/o4ol/o4o7 AUIHOR. __ I olev~ Khromkov, I. :i tic OP.G: TITLE: Paramagnetic Lffect under the influence of hij-ji frenuency pressure Wid -electron parmnagnetic resonance in a. platoma 1, ) - '-/ SOUPCE: Atomnaya energlya, v. 2(), no. '~, 060, 401-407 TOPIC TAGS: electron paramagnetic resonance, plasma inntability, prossure effect ABSTRACT: This is a continuation of earlier wcirk (Ilucl. Fusion, Stippl., Part II, 1962, p. 687) devcted to observation of the prtrt~.majTnetic effect in a plasma under the influence of the presi,ure of high- f requency fieldr. With an aim ELL providing a laech- anism for stabilizing allainst flute instability, the authofs investigated experinen- tally the interaction between microwave fielV (w = 2 x 10 0 sec-1) of a cavity re- sonator with a dense plasma (n , 1013 -_ 101 cr.-3) in a constiuit malmetic field. The tests were made in the If 013 mode with a hik;h-frequency map-,netic field amplitude up to 150 Oe, which produced a parRMILf.,,netic current in the plimtra. The resultant plasma configuration is described. The increase in the static na4pietic field inside the plasma, associated with the parama~pietic current, agrees well with the theoreti- cal value. At w H/W = 0.5 paramagnetic resonance of the electrons wan observed, lead- 1/2 L Oh765_67 ACC NR: kv6018350 ing to a sharp increase of the plasma pressure po to a value corresponding to 2 BirpoHo t~ 0.2. Tile methoe~ of determining the plasma pressure is described. Re- sonant heating of the plasma electrons by the high frequency field, connected with the parametric resonance of the electrons, was also observed. Orig. art. haa: 8 figures and 2 formulas. SUB CODE: 20/ SUM DATE: 03Aug65/ 013IG MY: 0021 OTH REF! 003/ kh ~/2 -GLAGOI0ly V.N. -- Plasmal recation in the myelinization of regenerating wcams. Dokl. AN S,c;SR 147 no.3:721-723 N 162. (MIRA 15:12) 1. Voymno-meditsinskaya alcademiya im. S.M. HiroTa. Pmdstavleno alcademikom N.N. Anichkovym. (WERVE0 (UGFVKRATIO1, (BIOLOGY)) 011JUKAL) U171OF1/H,,m,i-( ano, Ani-mal. rhpiiclc(~y (Namal aild FIThc~IG61r:al) T Nervous System. Higher Nervous ActMty. Behavior. 1..bs jour Rel' Znur BioL., tic, 6, Lo)9, ,:.,,,c4cj Author GlagoLev, V.P. !list Kiev 'let.-irlinary Institute Title Obtaining ConditioneOl Ly,~-.iph-SecretinLr; Reflexes ii-. rogs. Ori6 Dl~ Tr. KJ.yevsk. vet. in-t, 1957, 13, 113-11'1 Abstract A conditioned Lymnfh-secretlnj~ reflex to bell rehifor- ,2.2d by introduction into the ;ein of prep- ratiov.s (mercusul, celandlne tincture, pptone in sn,411. (loses) was Produced in (logs. U't-Ir 9-35 (101:11ti-na-tio"S of conditton,:.d and unconditioned gtimida.itsa cannula was tied in into the thoracic duct aiid Iymph !iecretion was measured. After the bell the lymph secretien in:-reased by This clata allows the utLI1;,,ation of the Ca rd 112 - 115 - V.P. Cand Bio -- (di,,sl "Effe-ct, ol' r,%e nervo Ili 1 Kiev 1~6." hlp!~ u7, pn ym,, -. h It (Virt of '.higher P-6ucation Tjk,';,JF. Fi~!v Litate, lln~v Im ';nevchenKo) 100 co: i6~; ( 91,1 A-I,t- I ;H) - I ~"i - GL.',GOL----i, V.P. Demonstratinlo the work of heart valves. q I o 1 . v a ',, ',c -.) 1 ,. --. o . -) : 8,1-89 S-0 15Q. (MIR,", 1.3:9) 1. kiyevskiy gosuriAr,.;tv,,-rinyy uriiversLtet. M 1~r--v *I.Prps) ( !l,',l!-TCMT, MPVN---,',TJDlO-V[SF'L ',IDS) 21594 S/109/60/005/010/017/031 E033/E415 AUTHORS: Breydo, I.Ya., Glagolev., V.P., Glukhovskoy, B.M., Korollkova, O.S. and Leyteyzen, L.G. TITLE: Investigation of the Stability of Multi-Stage Photo- Electron Multipliers PERIODICAL: Radiotekhnika i elektronika, 1960, V01-5, NO-10, pp.1698-1702 TEXT., This paper was presented at the 9th All-Union Conference on Cathode Electronics, Moscow, October 1959. The stability of the output signal from a photo-ele-etron multiplier depends on a number of factors: the voltago, the current, the time of operation and so on. The purpose of this article is to clarify the effects of these factors on multipliers with emitters of different materials. Since multipliers are widely used as scintillation counters, the multipliers were tested in a special set-up which approximated to oserational conditio-9 with crystals of NaJ(Tl) irradiated by Csl 7 on the cathodes of the multipliers. Block diagrams of the test apparatus are given and the apparatus is described. The output current, which depends not only on the amplitude but also on the frequency of the Card 1/4 21.59.14 S/109/60/005/010/017/011 Investigation of the Stability ... E033/E415 pulses, i.e. on the intensity of irradiation of the crystal by y-rays, was also monitored. The results show that there are two types of instabilityi 1) smooth change in the average value of the amplitude of the pulses over a period of time and 2) oscillation of the amplitude about a mean value, which shows as a scatter of the recorded points for a given curve. The deviation of the points is apF.~-oximately 0.3 to 1% of the value of the output pulse. Early tests showed that the stability depended to a great extent on the previous history of the multiplier. The "settling-down" time is different for different specimens and for the specimen the settling-down time on the first day can be very much longer than on following days. This "training effect" made investigation of individual specimens impossible and statistical tests on a number of multipliers were necessary. The results on 80 multipliers of the OY-35 (FEU-35) type with Sb-Cs cathodes and emitters are presented graphically by histograms of percentage change in pulse amplitude against numbers of multipliers for output currents of 0.1 to 2.5 microamps, 0.3 to 0.5 microampa and 0.55 to 6.0 microamps. The maxima of these distributions show Card 2/4 '?1594 S/109/6o/005/01.()/017/031 Investigation of the Stability E033/E415 greater percentage change for larger currents. The rosults for 60 antimony-cesium cathode and emitter multipliere were similar, It is concluded that during the first hours of operation the stability is directly related to the output current arid reduction in the current density improves the stability. The absolute maxima of the changes in the output current of the multipliors (lid not exceed published figures for multipliers with Al-Mjj, silvar- magnesium and antimony-cesium emitters. The settling-down time was found to be proportional to the output curret-it. Tests on multipliers 43Y-24 (FEU-24) with aluminium-magnesium alloy emmiters showed that they also have appreciable isettling-down time, but the output current has little effect on it, except that it is reduced with high currents. For example, a batch of multipliers with Al-Mg emitters and bismuth-milver-cesium cathodes had an average settling-down time of 10 to 20 min, after a rest-period of 12 hours with output currents of 20 to 30 microamps. To clarify the effect of activation by cesium on the stability of alloy emitters, a multiplier with a thermo-cathode was prepared. The stability of the emitter was checked directly in a vacuum with continuous pumping before and after cesiation. The relative Card 3/4 2159h S/109/60/005/010/017/031 Investigation of the Stability ... E033/E415 changes in the secondary emission coefficient foi.- thermo- activation and for cesiation for one stage of a copper-beryllium alloy with 100 V and 0.3 mA output current tire shown gri , lphically. It is seen that the presenco of cesium I.eadis to ~iri increase In both the settling-down time and also in the magnitudc of the change in the secondary emission coefficient. There are 7 figures and 2 references: 1 Soviet and 1 non-Soviet. SUBMITTED: December 21, 1959 Card 4/4 i 1 7, 11.11. '. . I . I ~ A jell , , .; 1, i ''; MARKOV, V.A.; GL&GOL~V, V.S. Effective use of the State Bank credits. Taknt,prom. 20 n0-5:7-9 MY 160. (MIRA 13--8) (Textile ir~l , - -,:,---Fi\ G-LkGOIEV, -Yu.A. Diqtillation or rdco~iol In a nini-.um I no.7: 15 r) . -ritiy ~ill-'AVY (T~ipr!iom,~tpr~; ) WIT, 13:5) :--lav. red.; :~ACFIJ-17~*, A.V. , red. VC1,0~1A.:-::,.'-T` , L.I.. .,E'(,, red . ',I: Z-111" G, .7- , r ELIK111, K. I. rcd. i*.~., '-c.(!. U-OLIKCV, AJ~. , rc:d.; K-Y LA: V, I P rad.; rod.; 3.S., rod.; red. .-A',~t !.';,V , !; A. I El A . ) u(' "AT 1~7~ S . I " . , ro(i . -.11 J 7 GA L I L Y, re c1 . A..GVA, -tan:hiv iiiuchirvv red., kari(~. o1con. nauk; KI,;!-V%1f6T. rt!d.; idA~',GDA K AYA ','o V . ~, U-~ NGVA, L. , nimcliny, ::.hd U ':',OVA, V v.1;:J:-L1yy rod G.-1Y-)UK(,%' , Y I I. A (A. red.; 1E.I. red LO';Ol*OY I I I Ya.U., A.V., uotn.j 111d, nau~ red.; UYIJ~GVICfl, Yu,O,,, 1-nm'. cl:on. nnuk, red.; ed. S.D., tej-jjj-_ r(!d. lrC,-us-try arZi S/ 1N/6 1/004/004/01j'/0 14 B125/B20", A H 0 R Ju. A. TITLi~: Surface of inutual irradiation betvo~en a body and a thin cylinder PERIODICAL: Inzhenerno-fizicheskiy zhurnal, v. 4, no. ~, 1)61, 116-lig TEXT: The author UiVe3 a practically useful, genc-ral equqtion for a SyStep., ConSi3t4ng of -a thin cylinder and an arbitrary body. T're general expression for the surface of mutual irradiation i1 of tvo riontransoarent 12 bodies 1 aind 2 reads, as is known: H asl ~ c0!' -11 cos Y2 d (1), 12 = S 2 C2 3 1 82 r where s I and 9 2 are the mutually visible surfaces of the fir:3t and second body, resooctively, -1 is the angle bctween the croendicular to the Y p I q element of the surface and the se,,-mnt r of the atraiht line connecting the .*'-:rot arid second surface elements ds and ds an the first 1 '2 C-Ird 1/6 21781 S/1-70/61/004/004/013/014 surface of mutu.ai irradiption ... B125/3205 and _-.econd surface, respectLvely, cp, is ',ae unrle between the perpendicular to 602 the fame ~-e~,;:rierit of th( s~rniGht line. The integralzi (1) are not taFen in t~- form but nave to be calculated for each case by a differun. ~:o calculate the expressions of interest here, s 213 taken ans "*,,.e of a c.-i.,vier segment, and s 1 as -the surface of any body in mutual =-!~diation v,'ith the cylinder. The oriCin of -the cylindrical coordinate s~-sten is assumed at any point of the cylinder axis, and the z-cocrdirate is direct;d a-long 'the cylinder axis. The surface element of the cylinder in this coordinate system is ds 2 = (d,12)dz da (2), where d is the cylinder diameter, The origin of the mobile sp~:'r-_'cal coordinate system is connecteci with the element d:,,. The plane perpendicular to tlie cylinder axis is used as plane of the anille tf, of this sys tem. 'I'h e n if :' ; , ,, [~' co, 'o' 21. is found for thl~ rylinder se.'~,mt~n' 1 7, z1 where ti, and "1)2 'are the Card 2/6 17111 Sz / 17 0/ 6 1 /004/0 04/0 13/014 3 Urfa ce 0 f i a t i 0 11 ... B 12 5/3 20 3 1 integration for a nd ~ are the integration limits for The 2 inte~,,ration li"..,it's i'or ."id oc are interreLated, and art.. comoiled in Table 1 . Tn t--is table, tho first.- line corresponds to "lie razir,,e where the Eurface ds2of the cylinder is irradiated only by part of surface s 1 of an:; body , and where the perpendicular to 6,s 2 is directed 30 that O