SCIENTIFIC ABSTRACT LUNKIEWICZ, W.W. - LUNTER, S.G.

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SCIENTIFIC ABSTRACT
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LUNKIEI,TICZ, W. W. LUNKIEWICZP W. W. Ziemia we wszechswiecie (The Earth in the Universe). Warszawaj, 1949, P. 79. LUNKIN, A. V. Lunkin, A. V.- "C'a'rp in the central Vol -a (the Tatar Reoublic) and economical methods for its -,sell, Trudy Tatar, otd-niya Vsesoyuz. nauch.-issled. in-ta ozerno-rech. ryb. khoz-va, Issue 4, DO, P. 103-24, - Bibliog: 27 iteims. SO: U-41101 17 July 53, (Letopis 17-hurnal Inykh Statey, No. 19, 19h9). - 2, - ~~ , ` n -AUTHOR;`~': I ~` - - ': ii I - -.1i ~'- - -Cr -1.1,7-` ABSTRA -AT40473W.., /EWF ACCESS /311.5/64/000/021/0"/0417 ACCESS ON, M t YM 1 1 --ze- entsov_, P.,,- .-Lunkl n I P6V In requ ator-w th vartabte 8 ctu e'and with, minimal, changes JITLE: ~-Atv I ntagral tru F - I I hp: con V n _'~A_.,Ona kh, meta t (~iv Sbq I k'nau y*1 WRCE- osU, arst~onny* thititut t' -66n svethy* --,kh trudoV, no -21'7-1964.' -- Matematichesktyi,moilel 1: tekhho_I6ijIcheskI1kh~ Oj~6tsessoV.'..' I., raze4bbt ka - rJ s tej;t, avtdma t I ches kago. reguilrovanlya. s peremennoy strukturoy (148 t e-~ --t~chliofog IcaV processes-.and. development of variable structure 4 __- - - : mat c~requ tat on,~:- ntegrat 4uto e m A edju 'ator* OSTRAM. - (n:..thete.`prev(oui: J_TelemeWan'lki, :vpl XXI,~.No. 81 -aut rs he' f -s- ttnuous techhol fcal o 116'' 'showed.~.thit.ln t contro o ome con 09 - - SuAts ara obtained when , excellent re processes wl t4 I nterdependent parameters the changet,,Iiri"irotitro-1:~ignals, which are required by the static chisracterfsttcs~ -of th r-ol-led-object.- are only of suffic.1-ent rrAgnltude to compensate for the e. cofit t -'-ja tMa article, the Idea Is extended to the design of an Integral -4 CRP r '4ht ~'rIegIua' e,.servo 'tra'' klnq~: oap-whtch'prb uces th e tor cons sts of c e a of logic systems which form the log[c control function --:6c~ordandd-:WltW-the. valuesof the signs of t n he c a-nge.,,t e.~systetn nructure: 1 'rd nates x Fo c4o I A, ~ and a. r some speciffed comb!'nations. of signs of I k -K is openedTfor transmission of the error signal V, to 4)~ an dirthe 't-hanne the slave me6baMii7l, The principal transient signals of the system are shovin In f th --t--- ~Fjurt~ V10 e ,nc asure. Tests have Shown that when the system Is optimized for maxlmum-pert~Urbatlon, the regulator compensates accurately for this per-turba-- tion tn one-cycle of the slave mechanism. All perturbations which are smaller than themaximum require two or three cycles of the stave mechanism for compensa has ~tion. 6el i aft -3 equations and 4 1 gures., ASSOCIAVO Gosuda'r'stVenny* t tttut tsvetn *kh matallov, Moscow (State y ris Y A a-Farrous, Meta s 00 N a.. - -1 1...I SUSH(TT-Eft C 02 ---Ma COCEt [Ej- MM 140 REF Sm. ::dot OTHERt 000 PETYAKSHEV, I.; LUNKIN, P.; REPINg I.[deceased]; YEGOROV, V., red. [Rural builder) S&I'skii stroitell. Saransk, Mordovskoe knizhnoe izd-vo, 1964. 46 p. (MIRA 17:10) 1. Starshiy proizvoditell rabot KovyWnskay mzhkolkhoznoy stroitellnoy organizataii "Avangard", Mordovskaya, reopublika (for Petyakshev). 2. Zamestitell prodsedatelya kolkhoza. "Sovetskaya Rossiya" Krasnoslobodskogo proizvodstvemogo -upravleni-ya Mordovskoy respubliki (for Lunkin). 3. Nacha-Ilnik tsekha zhelezobetonrWkh konstruktsiy Ru2ayevskoy mezhkolkhoz- noy stroitellnoy organizatsi$ Mordovskoy respubliki (for Repin). VASILITHY, Y.Y.; TBRICSHCHMIKO, N.P.; prinimal uchastiyel UJNIKIN. S.P. ~-- qualitative chemical somimicroanalysis. Part 3: Detection of chloride ions in the reactions of the formation of Chronyl chloride. Uch.xap.LGU no.272:153-161 '59. (MIRA 13:1) (Chromyl chloride) (Chlorine-Analysio) L 31006-66 EWP(e)/tWT(m)/M4P(t) IJP(c) JD/JGAal ACC NRs AP6010449 SOURCE CODE: UR/0368/66/004/00~,-fo-24-S76-25 AUTHOR: Mokeyeva, G. A.; Lunlkin, S. P.; Feofilov, P. P. a ORG: none TITLE: Luminescence of praseodymium In silicate glasses 1~ SOURCE: Zhurnal prikladnoy spektrookopii, v. 4, no. 3, 1966, 245-251 TOPIC TAGS: praseodymium, ytterbium, luminescence spectrum, silicate glass, low tem- perature effect ABSTRACT* Data are g-*ven from a study of spectrally luminescent characteristics of silicate glasses activated by praseodymium ions. The trivalent praseodymium cation has two 4f electrons and a comparatively small number of singlet (ISO, IG4, ID2, 1166) and triplet (3H, 3F, 3P) levels. Absorption and luminescence of crystals and glasses activated by praseodymium are*detexmined by forbidden transitions between these levels The absorption spectra of the glasses were studied in the spectral region below IV us- ing an SF-4 spectrophotometer, and in the region of longer waves on the automatic SV- -50 spectrophotometer made by the Shimadzu Comp~ny. The luminescence spectra were re- corded on installations with diffri6i1E'ii6C_c;d7rciators and FEU-38 photomultipliers, a cooled FEU-22 photomultiplier and a cooled lead sulfide photoresistor. Electronic EPPV-60-3H and PS1-02 potentiometers were used for recording the spectra. The lumi- UDC: 535.37 Card 1/2 ACC NRt AP6010449 nescence excitation source was generally a mercury lamp with a 436 my glass filter. A diffraction monochromator was used for excitation in some cases. The luminescence lifetime was measured either with a pulsed tau-meter in combination with a diffractiol monochromator to isolate certain sections of the luminescence spectrum, or by an ul- tratau-meter and a set of light filters. The first method gave the best s3ectral re- solution while the second gave the highest accuracy for determination of T . Absorp- tion and luminescence.spectra are given for glass containing 0.2% Pr2O3. The experi- mental data show a high probability for nonradiative transitions from P levels to, lower-lying states, particularly to the ID2 level which is the initial state for a number of intense radiative transitions in the red region of the spectrum. When the temperature is reduced to 770K, there Is a redistribution of intensities in the lumi- nescence spectrum of trivalent praseodymium favoring the blue-green bands. It Is shown that there is a nonradiative transfer of excitation energy between praseodymium ions and between praseodymium and ytterbium ions which results in concentration quencl ing of Pr luminescence in the first case and luminescence sensitization of Yb in the second. Quenching due to nonradiative energy transfer from praseodymium to ytterbium is less effective when the temperature Is reduced to 770K which may be due to a reduc- tion in the overlapping of levels. Orig. art. has: 4 figures, 2 tables. 14 SUB CODE: 20/ SUBM DATE: 10Har65/ ORIG REF: 007/ OTH REF: 002 ATD PRESS: 4/-2 41/ 2/2 T. I. LlInIkin? S n on c ;kAdiCE cb!)I.": T-fT P"Ca.,3111'el-ilclit of the spectral absorption of gla.-ser. colored with translition-metal ions at increa.-.ed tumperAurcn Cr pti:~o-mcldianichcolmya promyshlenno.;tI, no. 8, 1966, 35-4o PIC TAGS : Gil-*Lc,7-.to r lass, boratc al;arn, ClArr. property, color additive, abrorption 6a-octrun, alozorption, tem. peraturc depcndence ,~'STRACIP: I-- e purpose of the investigation wis to determine the character and causes :Of ch'an'-es in -L-1-le ~Ibzzorption Lpectra of colorlr,-, ions in rlarsc-- at increased t-cr-,,)crO.- ,tV,I:Cs. Silic"c) borozlklicatc)* aluirmilicatc ', and phosphatc glasses ol- varying,, ositions, with andwithout coloring ions, were tested. 51%e coloring ions used were !Co'-, Cu -, Fc+2 and C17. %lie absorption spectra were measured in the visilble (-,xon :1100 '60 750 nm), ultraviolet, and infrared regions at 20, 100, 300, and 1100C, execyt the annealing temperature of the glass was lower than 4G-Oc, when the measurements were made at 300C. The spectral absorption was also measured after the cooling of the ple, to establish whether the chawe in the 3pectral absorption is reverrible. The am c:; in the abijorption :xeL`U-!L;ation hilt; ~;hoifn that all glasnes exhibit- coaffion charwr Ura, nam ely shift of the boundaries and of the max:Lma of the absorption bands toward .the lonGer-wave region and smearing of the absorption bands. 7hese changes are re- Card 1/2 uDc: 666-11: 535-34 L 1012:50-67 ACC NR` Al-60303:r3 versible in character provided the sample is not heated above the anneal' U4,1 ter.7;era- ,ti,re. 'The changes are governed not by structural transformation but by in tensifi cation of the thermal oscillations of the individual particles in the Glass. 'Llic smearing of ,tllic bands is under the influence of the coordination and valence transitions of the ~trancition-metal ions. The temperature shift can reach 20 - 50 wa for each 100C. It is also concluded that the temperature variations of the spectral absorption of color- ing ions can be used for the study of structural transformations in the glass. Orig. ,art. has: 5 figures. ~SUB~ CODE: DO SUBM DATE: 04jun66/ oRiG nEF: oo2/ oTH REF: ool p~~d 2/2 ACCNI~_,01-b-0-3*1-5_0 SOURCE CODE: -UR/0368/66/oo5/oo6/o - 0/0734 AUTHOR: Mokeyeva, G. A.; Reysbakhrit, A. L.; LunIkins S. F. ORG: none TITLE: Nonradiative transfer of excitation energy between Yb", Nd3+, and Pr3l ions in silica glass SOURCE: Zhurnal prikladnOy Bpektroskopii, v. 5, no. 6, 1966, 730-734 TOPIC TAGS; excitation energy, ion energy, ion interaction %Y1,L10,47re. (944,-~*_" ABSTRACT: An investigation was made ~f the transfer of excitation energy in silica glass activated simultaneounly with two and three rare-earth ions, The investigatior, of the interaction of Yb-Nd, Yb-Pr, and Nd-Pr ion pairs was based an the dependence, of intensity and the duration of rare-earth ion luminescence on the concentration. The pair interaction is rather complicated: the nonradiative energy transfer can proceed in several ways and all three activators can serve as donors and acceptors of excitation energy. In the case of the interaction of Yb-Nd pairs with the simul- taneous activation of glasses-with Nd3t' and Yb 3+ ions, a sensitized luminesce.-Ice of of ytterbium results from the nonradiative transfer of energy from neodymium ions in the 4F 3/2 state to the unexcited ytterbium ions.' This leads to an attenuation of -the intensity and to a shortening of the luminescence duration of neodymium. A reverse enern transfer from ytterbium to neodymium, does not occur. In Yb-Pr the intcractfjon~; of Yb + and Pr3+ ionB is of a dual nature. On the one hand, during excitation in the Card 1/2 uDc: 666.11-01:535-37+535-34 4 -ACC-1~ absorption band of Pr3* ions a sensitized luminescence of Yb34* takes place. On the other hand, conditions exist for the resonance transfer of excitation energy from I Yb3"' to Pr3+- Thus, the praseodymium is simultaneously a sensitizer and a quencher_ for ytterbium luminescence. The quenching effect of praseodymium exceeds its sensi tizing effect on,ytterbium. In Nd-Pr*a similar phenomenon takes place during interaction of the activator pair Nd and Pr. The presence of Nd3+ ions provokes quenching' of Pr3* lumineaccnee in bands which are bound with transitions from. the ID2 level. The praseodymium ions on their part render a strong quenching effect upon the luminescence of neodymium. The authors thank P. P. Feofilov for 'his constant interesti -i,%, and attention to the vork.and V. P. Kolobkov for useful discussions. Orig. art. has: 1,; 3 figures. (WA-141 (JAI SUB CODE: 20/ SUBM DATE: 28Feb66/ OHIO REF: 003/ OTH REF, 003/ LUNIKIN, Yu.P. (Leningrad); POPOV, F.D. (Leningrad) Effect of nonequilibrium dissociation on a supersonic flow past blunt-nosed bodies. Zhur. vych. mat. i mat. fiz. 4 no.5:896-904 S-0 164. (MIRA 17:12) SUBJECT USSR P_AYSICS CARD 1 2 PA - 1854 AUTHOR' LUNIKIN YU P. MISIN,G.I. -F - 4 ' ~u_;m=ne TITLE OFTre-V scence of the Front of a Shook Wave. PERIODICAL Zurn.eksp i teor.fis,~1,fasc.6, 1105-1105 (1956) Issued: ; / 1957 In the course of experiments carried out on a ballistic device a luminescence of the front of the shook wave was observed in several gases (i.ECKEFUAAN, R.SCHWARTZ, Phys.Rev., A.�I, 912 (1952) although the temperature behind the shook wave in a multiatomic gas did not suffice for the excitation of luminescence. The following hypothesis may serve to explain this phenomena: on the occasion of a collision of the molecules on the front of the shook wave, the energy of the direted motion goes over into the subordinated thermal energy.' The computations carried out by C.ZENER (Phys-Rev-.a, 556 (1931)) showed that after about 10 collisions a MAXWELL velocity distribution of mole- cules occurs, whereas the rotation- and oscillaticn degrees of freedom are practically left without excitation ("frozen-in"). on this occasion the entire energy goes over only to the degrees of motion of the progressing motion, and the local temperature of a gas becomes much higher than the temperature of the equilibrium established in the course of events. After the.degrees of freedom of the progressing motion the electron levels and the degrees of freedom of rotation are excited. According to the individual properties of the molecules, at first the electron levels, and then the degrees Zurn.eksp. i teor.fis,31,fase.6,1105-1105 (1956) CARD 2 / 2 PA - 1854 of freedom of rotation, or else both together can be excited. In either case local temperature remains higher than equilibrium temperature. It is just by this energy distribution which does not correspond to equilibrium, that the observed-luminescence can be explained, overmore as it is the f r o n t of the shook wave that is luminescent, where the degrees of freedom of oscilla- tion are-not,yet excited in view of the fact, that for their excitation from 104 to 105 shocks are necessary. Further excitation of the degrees of freedom of rotation and oscillation leads to a decrease of gas temperature. which then tends towards equilibrium temper- ature and to an extinction of the luminescence. The more rapidly the interior degrees of freedom are excited on this occasion, the narrower will be the zone of luminescence. In gases with multiatomic molecules the domain of lumi- nescence will therefore be narrower than in monoatomic gases, where tempera- ture drop is due only to a decrease of luminescence. The above is,a translation of this short report. INSTITUTION: Physical-Technical Institute of the Academy of Science in the USSR. AtTHOR: LUWKIN, Yu.P. (Leningrad) 40-5-1/20 TITLEi Boindary Layer Equations and Their Boundary Conditions in the Case of Motion in a Weakly Thinned Gas for Supersonic Veloci- ties (Uravneniya pogranichnogo sloya i granichwe usloviya k nim v cluchaye dvizheniya v slabo razrezhennom 6aze so sverkhzvukovymi skorostyami)- PERIODICAL: Prikladnaya Mat.i Mekh.,19579vol.21)Nr 5,PP-597-605 (USSR) ABSTRACT: In supersonic motions in great heights the free length of path LM is comparable with the measurements L of the moving body. Gases for which this occurs are denoted by the author as "weakly thinned gases". The boundary layer equations are set up in the weakly thinned gas according to Prandtl's method, they differ, however, from the usual Frandtl equations by the occurrence of higher derivatives in the velocities and in the temperature; the pressure gradient in the direction of the nor- mal is different from zero which is expressed by additional terms. The boundary conditions for the derived equations are derived according to the kinetic theory; these are generalized conditions as they were set up for supersonic motions by Maxwell and Smoluchove-ti. The limits of applicability of the investigated equations are given with respect to the height Card 1/2 as well as with respect to the velocity. Boundary Layer Equations and Their Boundary Conditions in the 40-5-1/20 Case of Motion in a Weakly Thinned Gas for Supersonic Velocities. The author thanks A.I. Gubanov for the suggestion for the present paper. There are no figures, no tables, and 11 references, 3 of which are Slavic. SUBMITTED: October 1, 1956 AVAILABLE: Library of Congress Card 2/2 U N AUTMRt MKIKINJU.Pe 57-6-19/36 TITIZ: OE tWIVA-Latua-sof Shook Waves. (0 strukture udarnykh voln, Russlam) PMODICALj Zhumal Tak"Fix., 19571 Val 27, Nr 6, pp 1276-1281 ABSTR&CTs By making use of the basic ideas of the hypothesis developed by E.SERGER ("Weltra%ofahrt" - Nr 1, 4-9, 1954) the structure of the shook wave Is here investigated. The following conclusions were arrived ats 1.) The non-balanoed process in a shook wave can be invea tigated if some zones# in which part of the molecule degrees of free- clam a" in equMbrium and the other degreas of freedom are "frozen inr are analyzed. 2.) Iu the excitation domain of the progressing degrees of free- dam the gradient of the gas-parameters is at its '"21"Im- 3.) In a shook wave a domain with a thermal excitation and ionization can exist at a temperature which ezoeeds equi- librium temperature. 4.) The here mentioned method of a series approximation for the purpose of determining the excitation oscillations. of dis- sooiation. and of ionUation is auffioient3q slMla and shown goc4 amvergence. Card 1/2 AUTHOR Lun'kin Yu.F. 57-8-25/36 TITLE Gas Parameters at the Critical Point with Account of the Variable Specific Eeat. (Parametry gaza v kriticheskoy tochke a uchetom peremennoy teploy- emkosti - Aussian) PMIODICAL Zhar4al Tekhn.Fiz., 1957, Vol 27 , lir 81 PP 183o-1835 (U.S.S.1i.) ABSTRACT There is no possibility to obtain analytic formulae for gas para- meters if the variable specific heat cp is taken into account and it is therefore necessary to apply numeral solutions. In T,1956 Vol 21, number 6 the author shows a hiethod for the consideration of the dependence of the specific heat 0 on T and p as a consequen- ce of oscillation excitation, dissociltion and ionization of the gas on the occasion of its passage through an impact wave. This method is also applied here. The following can be said on account of the calculations: 1.- The taking into account of the variable specific )feat leads to a drop of brake temperature and to an in- crease of the density compared with the corresponding Talaes for a constant specific heat. In the case of Mi-12 (ratio of the -ve- locity of increasing gas flow and the velocity of sound) these va- lues differ by almost look. 2, Change of brake pressure at thelex- pense of variable specific heat in the case of Mi