SCIENTIFIC ABSTRACT AMBARTSUMYAN, G. A. - AMBARTSUMYAN, S. A.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R000101220006-9
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Document Release Date: March 20, 2001
• Sequence Number: 6
• Publication Date: December 31, 1967
• Content Type: SCIENCEAB

SOV/99-59-5-5/9
j
The Determination of the Angle at Which B-ank-P-rotectillE Cross
Bars are to be Installed and the Distance Between Them
in the direction perpendicular to the bank's tangent
at the spot where the cross bar is installed; bo is
the width of the river bottom; P = d is the
d+S
coefficient for the cross bar construction, vjhereby
d is the diameter or width of the open bar element,
S is the clearance width between the open bar ele-
ments, and1JR is the actual flovi speed. In addition
to this, the Hydrotechnical Laboratory of the ArmNIIGihl
has developed new-type open cross bars with a hydrau-
lic barrier, the SShGB. They can either be erected
in the shape of oblique gabion-made piers, or cis
piles driven into the river bottom with fastened
reinforced concrete plates. Having been in service
on the Ayaks river for two years, the SShGB-type
cross bars have proven more efficient and economical
than blind or open cross bars of the conventional
Card 3/4 type. Thus, protectin- 1 running m of a river bank
U

SOV/99-59-5-5/9
The Determination of the Angle at 1,71lich Bank-Protecting Cross
Bars are to be Installed and the Distance Between Them
by SShG-typo cross -bars vias 1.5 to 2 times cheaper
than by blind or open cross bars. There are 8 dia-
grams, 2 graphs, -and ? Soviet- references.
kSSOCIATIOIT; Arm1TIIGiM
Card 4/4

A A 0 MARTIKYAN, R.S.; MCHATRYAN, R.N.
1~
Some problems In designing vacuam spillways. Dokl. AN Arm.SSR 28
no.4:171-176 159- (MIRA 12:11)
1. AraVanskiy nauohno-iseledovatellakiy institut gidrotekbuiki I
melloratati ArmSSR. Predstavleno akademikom AN ArmSSR N.M. Aru-
tyunyanom,
(spillways)

AMARTSWAN, G.A. -
Some irobleme pertaining to the hydraulical calculations of spur
dikes. -1xvo All Arm'. -SSR- Ser. nauk 13 no.4s43-54 160.
(MIRA 13;11)
lo Gidortekhaicheakaya laboratoriya Armyanakogo nauchno-isoledo-
vatel'skogo Instituta gidrotekhniki I meliorateii Ministerstva
vodnogo khozyayBtvao
(Dikes (Engineering))

AMBARTSMAN, G.A.
Some nftw studies of through spurs vith hydraulic barriers.
Izv. AN Arm. SSR. Ser. tekh. nauk 17 no.4tO-51 164. (MIRA 17:11)
1. Inotitut vodnykh problem i gidrotekhniki Ministerstva vodnogo
khozyaystva ArmSSR.

AMEARTSUKYAN, GA.
Sediment-diseharge sluice siphon. Izv, AN Arm. SSR. Ser.
tekh. nauk 16 no.4:41-48 163. (MIRA 16t10)
1, Arqranakiy nauc hno-is sled ovatel I skiy institut gidrotekhniki i
melioratsii.

Krivyye raspredelenlya veroyatnostey privodyasbcbiye v predele k krivym
raspredeleniya pirsona DAN, 16 (1937j, 25c~-262. .
Passin6treniye odnogo cbavtnogo vida nepreryvnogo stokhasticbeskogo protsessa L.1
Uchen. ZAP. un-ta, ser. matem., 10 (1940), 120-138
SO: Mathematics In the USSR, 1917-1947
edited by Kurosh, A. G.p
Markushevich, A. L p
Rashevskiy, F'S' K.
Moscow-Leningrad, 1948

ro- 1 g,

MT
"-V ~,W- OR 15 1t2,,M,,;v
N

AKBARTSUNYAN, GA.
R
Poisson's problem for two events and its application, Dokl,AN Arm,
SSR 9 no.2t49-59 148. (KURA 9M)
1. Yersvanskiy Politiekhntcheekiy Tustitut Imeni X.Xarkea, Yerevau.
Predetavleno V.A. Aubnrtsumpmom.
(Probabilities)

APEBARTSLWAII, G.A.
Nkmww-wwm.-
"I'll-,
goments of din'tribution in the Xarkov process. Izv. AN Arm. SSR.
Ser. AMT nauk. 9 no.5;25-41 036. (ULRA 9:11)
1. Terevanskly politakhnicheekly institut Imeni X. Xarksa.
(Distrib,dtion (Probability theory))

1-~
Intropy of Markov chains. Iav. AN Arm. SSR. fiz.-mat. nauk 11
no,2131-40 158, (min n: 6)
lJorevanskiy politekhnicheskI7 institut im, K, Markea,
(Chain (Mathematics))

ANBARTSUMYAN, G.;. TUIWIYAII, S.
All-Union conference on the theory of probabilities and mathematical
statistics. Teor.veroiat. i as prim. 4 no.IM6-no '59.
(14IFA 12:3)
(Probabilities--Congresses)

1-611),16(2)
AUTHORS: Ambartsumyan,G.A., and Tumanyan,S.'(h. SOV/42-14-2-,0'/19
TITLE: Air-Mfti C6nig~e's'"s-'Io'n P-r"obability Theory and Statistics
PERIODICAL: Uspekhi matematicheskikh nauk,1959,Vol 14,Nr 2,pp 253-258 (USSR)
ABSTRACT: This is a report on the congress on probability theory and
statistics which took place from September 19, 1958 to September
25, 1958 in Yerevan. It was orgenized by the Academy of Sciencev
Arm.SSR. Ca. 100 participators from Moscow, Leningrad, Kiyev,
Tashkent, Villnyus, Yere~an, Riga, and Baku. Opening session by
V.A.Ambartsumyan, president of the A3 Arm.SSR. Final Address by
B.V.Gnedenko, Academician AS Ukr SSR. Greeting telegrams to S.N,,
Bernshteyn, Academician, A.N.Kolmogorov, Academician, A.Ya.
Khinchin, Corresponding member AS USSR. Deliveries were given by
B.V.Gnedenko (Kiyev), Yu.V.Linnik (Leningrad), Yu.V.Prokhorov
TI-110scow), I.P.Tsaregradskiy, V.M.Zolotarev, B.M.Kloss, V.V.Petrov,
V.A.Statulyavichus, F.I.Karpelevich, V.N.Tutuballin, M.G.Shur,
N.N.Voroblyev (Leningrad), V.N.Karableva, L.Komleva, T.A.Sarym--
sakov, D.K.Faddeyev, S.Nagayev, B.S.Fleyshman, I.M.Gellfand, A.3,
Frolov, N.N.Chentsov, R.L.Dobrushin, Ya.I.Khurgin, B.A.Sevast-
yanov, L.V.Seregin, A.V.Skorokhod, N.P.Slobodenyuk, R.A.Zaydman,
E.I.Vilkas, N.V.Smirnov (Noscow), O.V.Sarmanov (Moscow), A.A.
Card 1/2 Zinger, O.V.Shalaypvskiy, G.A.Ambartsumyan (Yerevan), R.Kh,

AII.-Union ongress on Probability Theory and Statistics SOV/42-14-2-16/!9
Diveyev, S.Kh.Tumanyan (Yerevan), V.A.Ambarteumyan, K,F.Ogo.-
rodnikov, A.1M.Yaglom (Moscow), V.SXichalevi,!h, S.I,%Brodi, G.P.
Basharin, I.N.Kovalenko, I.P.Kubilyus, R.V.U-.hdqvin4-s, B.S.
Tsybakov, M.S.Pinskpr, I.A.Ovsiyovich, N.A.Borodachov, I.I.K.
Kamalov, Kh.B.Kordotiskiy, L.A.Khalfin, I.V.Romanovskiy, A.K.
Kutay, M.I.Eydellnant, Ye.B.Dynkin (Mloscow), V.A.Volkonskiyg A.D.
Ventsell, R.Z.KhasIminskiy. I,V,Girsanov, A.A.Yushkevich, V.G.
Vinokurov, I.I.Gikhman (Kiyev), M.I.Yadrenkot I.A.Ibragimov, and
Yu.A.Rozano,.~. The names of the scientists who were cbairmen
of the single sessions are underlined.
Card 2/2

AMBARTSUMLW,_,q,A._ (Terevan) i red.; GNMNKO. B.V. (Kiyev), red.;
DTHKIN, Te.B. (Koakva), red.; LINNIK, Tu.V. (Leningrad), red.;
TUMANTAN, B.Kh. (Terevan), red,; SUMI, A.G., red.izd-va;
KAFLANTAH, M.A., tekhn.red.
(Transactions of the All-Union Conference on the Theory of
Probability and Mathematical Statistics] Trudy. Erevan, Izd-vo
Akad.nauk Armianskoi SSR, 1960. 291 p.
(MIRA 13:11)
1. Vaesoyuznoye suveshchaniye po teorii varoyatnostey i matems-
ticheakoy statistilm. Terevan, 1958.
(Mathematical statistics) (Probabilities)

BAGDOYEVp Aleksandr Goorgiyevich;_AMBARTSUMYAII,,-.G.A.,p otv, red.;
SLKUNI, A.G., red.izd-va, AM&RYANI tekhn. red.
fThree-dimetsional nonstationary motions of a contilluous medium
with shock waves] Prostranstvannye nestatsiona=3~e dvizheniia
sploshnoi aredy a udarnymi volnami. Erevan, Izd-vo Akadonauk
Armianskoi SM, 1961. 274 p. - (141U l5t2)
(Fluid dynamics) (Shock waves)

L ]~226-63 BDS/LWT(d)/FCC('W) AFFTC S/044/63/000/003/045/047
IJP(C)
AUTHOR: Ambart!nan, G.-.A. OIL
TITLE: On the information content of the unknoum probability in the
Bernoulli scheme of experiments
PERIODiCA: Referativnyy Zhurnal, Matematika, no. 3, 1963, 50, Abstract 3V299
Vses. Soveshchani-va po Teorii Vorovatnostay i Matem. Statistike
1958. Yerevan, AN ArmSSR. 1960, 112-120).
TEXT: The author considers n independent experiments; in each experiment
the.unknown probability of some event takes one of the values
Pot p1 t P21 -.01 p
with -the probabilities 0(,, , o~ C~, C~ - 0( 1. - Exact
2 s k
k--0
Card 1/2

L 1-3226-63 S/044/63/000/003/045/047
On the information content of ..... 0
formulas are derived for the average information content of the unknown pro-
bability resulting fram n experiments. Exact formulas are derived for this
information.in the special case in which Pk = k/s and all hypotheses are
equally probable C~ 0 = C~ 1 = 0( S = 11(s + 1), also the asymptoties
when n oo for s = 1, 2, 3.
f~A~ztra --note:---C=pleto--translatiDn;-]
9terjs
Card 2/2

AMBARTSUMY _ 0
j G~
'Y
Probable readings of an unreliable pu2se counter. Trudy Vyoh.tsentra
no,2s6l..66 164, (MIM 18t8)
I

I~RIJTYAN ) Ye.1-1. I starshiy nauchn)rf sotrudnik; ArIDARTSUMLYAY, , G. G. ) nladshiy
nauchnyy sotradnik "-- _-1- -,
Evaluating the methods of treating trichomoniasts in bulls.
Veterianriia 40no.B.-32-33 Ag 163. (MIRA YI: ILO)
1. Armyanskiy nax~chno-issledovatellskiy institut zhivotnovodstva
i veterinarii.

AMBARTSUMYAN Kh.
==L-
Mechanization of the melting department of a foundr7. From.
Arm. 6 no.ls26-28 Ja 1639 (KIRA 1614)
1. Nachallnik tekhnologicheskogo byuro po 3itlya lusavanskgc
Instrumentallnogo zavodi,
(Armenia-Foundries-TachnologicaI innovations)

ANBARTSUMYAN, Kh.
------------
Mechanization and automation of production processee and of
the distribution of sold and core mixtures. Prom. Aru. 6
no.6:28-31 Je 163. (mIRA 16:8)
1e Lusavanakiy instrumental)lnyy(zavod.
(Molding machines Automation)

AHBARTSUMYAN, Kh.
TechnoloGical processes of chill casting of cast-iron parts. Prom.
Arm. 6 no.7:29-33 Jl 163. (nu 16-.9)
1. Nachallnik tekhnicheskogo byuro Lusavanskogo instrumentallnogo
zavoda,

AMBARTMIYAll . Kh.
.A.", .,
I making. Prom.Arm.,6 no.906-39 S 163.
MRA-116:12)
1. Nachallnik tbkhnologicheskogo byuro po litlyu Lusavanskogo instru-
mentaltnogo zavoda.

MASHMDVICH, S.A.; AKBARTSUMUN, M-
3kaluating the accuracy of solving vorticity equations by the iteration
method. Trudy TSIF no*93:49-58 160.- (MIRA 13:11L)
(Weather forecasting)

Al-'BARTSM 41FAN) A.
"The Biological and Epidemiological Significance of Anopheles
1-bsquitoes in the 3hirah (Leninakan) Table Land." Cand I-Iod Sci,
Yerevan Iledical. Inst, Yerevan, 1953. (RZhBIol; No 1, Jei) 54)
SO: Sm, 432, 29 1-:ar 55

CHUBKOVA, A.I.; AMBARTSUMYAN, M.
Phenology of Anopheles maculipennis on the Leninakan Plateau.
Med.paraz.i paraz.bol. no.1:20-25 J&-Mr 154. (mLRA 7:3)
1. Iz entomologicheakogo otdela Institute. malyarii i meditainskoy
parazitologii Armyanekoy SSR (direktor inatitut&A.T.TSaturyan,
zaveduyushchi.v otdelom A.I.Chubkova) i kafedry biologii Yerevanskogo
meditainakogo instituta (zaveduyushchiy kafedroy professor Sh.M.
Matevonyan). (Leninakan Plateau--Mosquitoes)
(Mosquitoes--Leninakan Plateau)

USSR/Zooparasitoloczr - Ticks and Insccts - Carriers of Disease Go
Stirmli, Insects.
Abe Jour llef Zhur - Biol., No 11, 1958, 48238
Author
Inst
Title Concernina the Uoodsucldng Musquitocs in the BasarGhc-
charsk and Martuminsk Ra3ions and Local Malnria,
Orig Pub Arokhchapautym, 1957, ljo 1, 23-24.
Abstract No abstract.
Card 1/1
u
ml RUN RM

(..--AHBARTb*W4YA1T. H.A.
Interrelationships among the members of intestinal parasitocoenoses.
Izv.AN Arm.SMI.Blol.nauki 12 no.5:59-64 My 159. (HIRL 12:9)
(WOHHS, IMSTRIAL AND PAWITIC) (PROTOZOO
(Ilf-,7Eb-LIIIHS-HICRO-ORr-&NIbl4S)

CHAYLAKHYAN, M.Xh.; AMBARTSUKYAR, M.A.; %ARKISOVA, M.H.
Effect of vynthetic grovth promoting pro par atioms and vitaxine
on the form tion of roots of cuttings and ringed branches of
fruit plants. Izv.AN Aim.SSR. Biol.nauki 15 no.897-20 162.
~MIRA 3.612)
1. Institut vinogradarstva, vonodeliya i plodovodstva Ministerstva
sellsko o khozyayotva Amyanskoy SSR*
~PLANT CUTTINGS) (GROWTH PRCKOTING SUBSTANCES)
(PIARTS, EFFECT Or VITAMINS ON)

AMBARTSUMYAN, M.A.
Free-living infusorians in the waters of Brivan. Iz*. AN Arm.
SSR. Biol, nauki 15 no.3:87-91 162. (MIRA 15:4)
1. Kafedra obshchey biologii Yerevanskogo meditsinskogo instituta.
(ERIVAN-INFUSORIA)

AKUNSUKTAN. K.A.
Iffect of mineral fertilizers on the setting intensity 3f flover buds
and on frost resistance of apricots grqvm under irrigation in
Oktamberyan District. Izv.AN Arm.SU.Biol.i sal'khoz.nauki 8 no-5:
17-26 My 155. (K6U 9:8)
(Oktamberyan Distriot--A ricot)
Mrtilizers ana manure3

MJB-,~ATSUHYAN, H-, kand.biolog-nauk (Yerevan)
. mauka i shizn' 27 no-8:77 49 '60-
Plant antifreeze (MIRL 13--9)
(pl&nto--Yrost registance)

AMBARTSUnAN, N.A.
Chemical method for coutrollipg the negative effect of frost on the
perennial life of a crop. DDkl.AN Arm.SSR 30 no-5:295-300 160.
(MIRA 13:8)
1. Armyanskiy nauchno-iseledovatel'skiy institut vinogradaretwa,
vinodeliya i plodovodetva Ministerotva eel Iskogo ld2ozynystva Armyanskoy
SSRI
(Trost protection)

AMBARTSUMYANP M.A.
Physiological characteristics of the pistachio and possibilities
for its cultivation in Armenia. Izv.AN Arm.SSR.Biol.nauki 15
no.7251-58 J1 162. (MIRA 15tll)
(APMNIA-PlSTACHIO)

AMBARTSMANt Mos. (go Leninakan)
solutiOne
7al'd. J akush. 23 no.12s43 D'58
(MTRA M12)
(SOLUTICUS (PHARRACY))

AMBARTSMlyty, MWAVr3I)YAIT, A.A. (Lanimaki%n)
vil, " -, ~t- --, -, ,
A cane of coriplieAtion following the ime of penicillin. Klin.med.
16 no,6:144 JS '58 (MUU 1127)
(PENICILLM, inj. eff.
allergic reaction (Rua))
(ALLEROT
to penicillin (Rua))

FXKIDOVA, X.A.; AXPAMUXTAN, H.S.
Nurses 1-0*ou'-, w" -iii .* , -Mod.-mantra 18 no-3t46 MLr 159. (MM 12:3)
1. Sovot iwditsi*skft @ester 1-go 6ditainakogo oblyedinsuip
Lanidakau.
(N=AB AND IMING)

AKW&S1A(%UI- 14-S-; GkW'L'W, Ye.Z. (Leninalmn)
of work of an intestinal infection clinic of a medical
institution. Sov.zdrav. 18 no.6:15-19 159. (MIM 12:8)
(IIMSTINNS, die.
infect., prev. & ther. in Russia (Rua))

AKWITSUMN, U.S.; 141%jIOYAN, A.K. (Leninwam)
Work of the sentor nurse in the consolidated hospital. Red.
sestra 18 no-7:34-35 J1 159* (MIHA 12:10)
(LENIMM-NUMNS AND MMIJI(r)

-T f, I r I , , -, . ~, Y I I F, I I
]?11:, T
Results of c2inical obsci-itt ions of fo1l-)W'-".,-, aelite dysentery.
Sov.zdrav. IS no.902-34 12:11)
1. 1z 1-go reditsinskogo ob1'yc,-1-*ricn-*ya c'UnalMna (i,2Lvnyy vrach
G.G. Nonozynn).

ANURTSUNYAN, M.S. (Leninakem, Armyanskaya SSR)
Health measures In foci of bacillary dysentery. Fel'd I ak-ush. 24
no.8.-36-38 Ag '59. (rmiNAxAw--DTsEwzRT) (MIRA 12:12)

AMBARTSMAN, M.S. (Leninakan, Aravanskaya SSR)
Observations On the foci of bacillary dysentery. Ned.sestra
19 no.4134-35 Ap 16o. (LUINArAN-DTSIRMT) (KIRA 13:6)

ALIBAnSUMYAN$ M,S,
Iiisobkohitle worker. Mad. sastra 19 no.6t46 Je 160.
(min 1421)
1. Zav,.equAmhohly poliklinichookim otdoloniyem 1-y ObOyedinennoy
bollnitdy loninakam,
(AKOPIANj SHOGOKAT PANOBVNA)

vrach (Leninakan, AraWan~kVa SSR); HINASYANg VoX,p
starshaya meditsinelcays sestra (Leninalkan, ArraanabLya SSR);
GWCRGTAN, G.T9.0 meditsinskaya sestra (Leninakan, Armiyansimya SM)
Concerning 'DoN, Telichka's article "On intravenous injections.0
Peld,i almsh. 25 no,2r62-63 7 166. (=A 1315)
(INJ3(;TIONB, IYMTXWS) (VILICHKA. D.M.)

MBARTSID YAP, 11. S. (Ifilin
akhn)
Conceiming S.B. Tlatovts article "Chil.1 as an early symptom of
perforative peritonitis." Klin.med. no.7tl48-149 161, (MIRA 14t8)
(PLMTOIIITIS)

AMBARTSUMYAII, M.S., vrachl-.SHEVCHENKO, O.L.p vraoh
Prevention of brucellosis in a meat packrng plant, Gi i san.
26 F 161. f~,Rk 14:10)
1. Iz I-go bollniabno-poliklinicheakogo moditErinakogo obwysdineniA
LeninakanaI Arcyanskeya $SR.
(LENIX&KAN-.NEkT INDUSTRY-HrGIENIC ASPECTS)
(BRUCELLOSIS)

AMBARTSU14YAN M S - GEVORGYAN, G.Ye. (Leninakan)
All-city conference of nurses. Mad. sestra 20 no.6:57-59 Je 161.
(LF.NINAKAN-NURSES AND NUISING) (HIRA 14-7)

AIMAMUIMN) M-. S. ; - MKMITARYAN -I- - T.-Kh. - (Loninalkan) -
Efforts to lower the general level of disease and injury incidence
in a shoo factory. Felld. i akush. 26 no.8156-58 Ag 'FMIRA 14:10)
(SNOE INDUSTRY--NYGIENIC ASPECTS)

AMIMBTSMAN, M.S. - I
Analysis of the disease incidence from acute Incterial dysentery.
Zhur.mikrobiol... epid.i. immun. 32 no.l2sll9-120 D 161.
(MIRA 15:11)
1. Iz I-y ob"yedineanoy bol,nitsy Leninakana.
(DYSENTERY)

AMBARTSUMYAN
, M.S., vraoh; GEVORGYAN, G.Ye., meditsinakaya sestra
Clinical aspect, treatmentg and prevention of mastitis, Mod,
eestra 21 no.l2sl9-23 D 162. (MIRA 16s4)
1. Is 1-y poliklinlkl Leninakana.
(HUUST-4ISUSES)

AMBARTSUMYAN, M.S.j ARUTYUNYAN, A.T. (Leninakan)
Organization of a home infirmary. Sov.zdrav. 21 no.7t25-27 162.
(MIRA 15:8)
1. Iz 1-y ob"yedinennoy bollnitsy (glavnyy vrach - easluzhennyy
vrach respubliki G.G.Nonezyan) Leninakana.
(MEDICAL CARE) (HOME NURSING)

AMBARTSUMYAN) M.S.; ARUTYUNYAN, A.T. (Leninakan)
Organization of work in the consolidated polyclinic. Sov.zdrav.
21 no.10:68-72 162. (MIRA 15:10)
1. Iz 1-y ob"yedinennoy bollnitsy (glavnyy vrach zasluzhennyy vrach
respubliki, G.G.Nonezyan) Leninakana, Armyanaka SSR-
ar
(HOSPITALS-ADMINISTRATION

auMTSUMM, M.S.
Eradication of taoniar-ynchozis in one of the arees of Leninakan
in the Armenian S.S.R. Nedoparazei parazebola. no.3t284-285 162.
(KM 1519)
1, Zaveduyushddy polMinioheskim otdoloniyom rayona. Imninal-cana,
Armyanakayn M. (LENINAXM--TAM;IA)

BAKULEV. A.N,, akademik; AMBARTSMM, R.G. (Mosk-mp Mamzbnoy proyesd d.9-a)
Dynamic study of aodlum and potassium electrolytes in patients
with various surgical diseases. Vest. khir. 91 no*70-7 JV63
(MIRA 16s12)
1, Iz fakulstatskv khirurgicheskoy k-liniki (zar. - akadwaik
A.N.Bakulev) 2-go Hoakovakogo meditsinskogo instituta, imeni
Pirogova i gruppy AMN SM.

AMBARTSUMYAN, R.G.
Mood protein fractions in diseases of the stomach and biliar
tract. Khirurgila 39 no.O,tll7-120 V63 (MRA 17 t3T
1. Iz fakulltetakoy kh1rurgicbeekoy kliniki (dir. - akad. A.N.
Bakulev) II Hoskovskogo gosudarsWirmogo meditsinskogo instituta
Imeni Pirogovas.

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d 11" by Xw44um I*dm 7M AW= tif 690
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00.1 VT. TWehikovs. ((lotuptes Ronolux (M*Iadv) do I'Actoddinio dois
06 Monow do ITA,H.S., 100, vD1. 29. Oct. 10,*pp. 44-47). W& In lee
0* the Inteoductory paper Wo a projftiod marles on the corrosion, of,
uwta:s in non-squem oloolzolytes, mainly aloohols &M alm+ollo
40
x(jutions. no &uUwm review the literature on the effect of othyl
aloohol on motals, mid tboy destribe tho prooodum they adoptood
; to 41
y1 WooW umed for their Investigat $on.
r4or the purWostion of the oth
fit the "to ofespiorimoutd dawribmt lot the preitent pa Vt. the t4vtot -a**
iovep n-niod out in ooslod plaw tubes In sit apporalus whieh in see
bell :1, illustraW, wW Whim an givoin of the vioults ubtalnocl after kwp. coo
ing samples of onagnextum. alumInlum, tine and stool (carbon 0-28%. see
"arno" O-AI% and voilloon 0-220/) for 210 flave tinder tibor4ute-
d for 180 dava under W*,'. alnobol. "Only Magnow"m
.1. W to
IWOVINI to be slightly v~orrwk4l by othyl almhol under the experi.
mental evtotlMms dewribod, wborvas the three other materials
exunltw4l won not affeetad at all. too
too
boo
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oil mim. L 0. Ghmun and & P. Bs"ikova. (Comptes IU%Imlua
04 "(Mkiady) do I'Aft"mie des Scianom do MASS.. 1940, vol. 29,
I (kt. 20, pp. 014M). Its authors studied the Muence of carbon
dioxide on the action of ethyl alcohol on magnesium, aluminium
j and "tev-1. They used almho) saturated with cArbon dioxido, and
a lie Ox perimontal premium wa* as dwribed in the flrpt paper of
thooorice(amprooodingabstract). They found that hitho prtembe
is of carbon dioxide, steel and aluminium us also not corroded bv
::thvI alcohol. whereas the corrosion of magnMum to conzidembl~
111;An MI.
2.0
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-00

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MITIlddebyde primble"I no jilhiWilm. Parahlehyde it).
hitlited Compleirly Site sNol-i'm 44 Mit an'l &I'vally dr. r
creaverd that tlf 1. 11mrit",hyda ift-cfeani the nwrtoiji, COO
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1:00
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.
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[in Fustliah.j 11-1 Stweitnetiod of wilowsium, aluminium, titip, vowl is %h44%, -00
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-4 4 varrivil ('111 0 ith ..Ih% dill Jf%
,
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01111 01144. OW 41-Moddil-111 Alf 111.119114.41111% UKAA 111411,1111V All' 11-11doill. Goo
: %J. 1111I.-IIIS VIA-#" tip," I.Am-sli44 mt Ads SIVAIIII-IIIIII, 1410. It -411-Aoll 11 11-., use
Aj :,: =I lm,v. Ad pl%IIII show it a%* 11.4 111,, Am 1-1 -1
'
it, I'm lovillne 1104-10lod'ut Mdo%.. but 11141 111,- h- Add tiviijill J.60
'If lilt, 1plavilliesta tv"Idijium italefinitely. The* Actions imi mwillposilitil fiv
Irvolutiond of hydrtgen. 1111-1 IU effect Alf vid6mod allielmit-A I'll 11~1-
40iom it' 4.tll%l alelphol tin Ill"Im-Adium disoll Kid-litmil "A. doludinf. all ml.'r too
'I'-tirrillifid. 'Alki-tiod-ir tlw)- stould act sm itthillittwa. Tilt- I~Ix. uhwh doo-p-
r4rdriml tout its ilh- mailleam- &a fonwidnaky twee at prridmi 44 IN) old i a.
dolt Ilhih- ;114.' An' 111MR-Ut lltl~ t-1I.%t at .11,
immunin frtutw att&,,k sol.( gr%.4tt% rd,lu-t
lit' 14W""41 Alf Ph-ki hilt- IN fIrmiddiN Ali, rutluctil I lke v,-m -iom oi EhUrAm
got 6
Z Nowt-1 Ilipableh.W.W I%A 61l,% I-IT-I ill Ow ..Irt.m

ISO
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it 5 A: It N
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0
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A
AHU=UHXAUr-R--S*, doitor tekhnonauk, prof.. red.; IAGOVSKAYA, H.S., red.;
RGZHIN, V.P., takhn.red.
(The corrosion and protection of motaI93 Korroslis i sashchita
matallov. Moskva,.Goo,izd-vo obor. promysbl.. 1957. 366 p.
(Corrosion and anticorrosives) MIRA 110)

111~
S., GLUMOVY A. M.P G(YHAROV, D. V., KOVAIEV, A. 1. and SKVGR7SOV,
"Fuel Elements for Ligbt Water Cooled and Moderated Reactors of Atomic Power
Stations."
paper to be presented at 2nd UN Intl. Conf. on the peaceful uses of Atomic
Vnerg-v, reneve, 1 - 3 13 qept 58. : -, ~, ~, . 1, -- e -. ,
I

SOV/122-58-6-33/3?
AUTHOR: Amb~~~taa, R.G.-.-Doctor of Technical Sciences, Professor
TITLE: The First British Vational Conference and Exhibition
on Corrosion Prevtntion (Pervaya Angliyskaya natsionallnaya
konferentaiya i vystavka po borlbe s korroziyey)
PERIODICAL: Vestnik Mashinostroyeniya, 1958, Nr' 61 pp 82-83 (USSR)
ABSTRACT: Summary of the 1c)5? ronference in London, organised by
the periodical "Corrosion Technology".
1. Materials--Corrosion prevention
Card 1/1

Ills, bw,
)I
11.0
ONO.
103
10 i 6
-;~.
Z 0 4 1 US 0
14 0
33
I P1121HIR.
as
-jag 0
01
A-i

F3 LA /4 fV
ojav
WE
all
Iq
.61
Td
S
~ L!L-

L 247io-66 EWT(m)/F-TG(f)/EPF(n)-2/EWG(W) WW
ACC NR; AT6008415 SOURCE CODE: UR/3136/65/'000/993/0001/0017
AUTHOR: A a
mb_ ~v a Goncharov, V. V.; Gluk~ Yegorenkov, P. M.;
Smirnova, shavrov, p, 1.
ORG: none
ITITLE; Increasing the power of VVR-S reactors
,SOURCE: Moscow. Institut at'omnoy energii.joklady, IAE-993, 1965. 0 povyshenii
moshchnost! reaK:~ori;v WR-S, .1-17
,TOPIC TAGS: water cooled nuclear reactor, water moderated reactor, reactor fuel
element, nuclear reactor power / VVR-S water cooled nuclear reactor
ABSTRACT: The authors consider the possibilities for using slightly modified MR
~fuel assemblies for increasing the power of WR-S water-cooled water-moderatod reac-.
.tors. A figure is givon showing the construction and dimensions of the MR fuel as-
.serbly. The assembly consists of five tubular fuel elements of circular cross sec-
tion. The heat-transfer area of the MR fuel assent)ly is 2.35 times as great as as-
.semblies using EK-10 elements, The elements are interchangeable, i.e. they may be
'Card,1/2

L 247lo-66
;ACC NR: AT6000415
!placed in any cell of the reactor core. The efficient design of the MR elements
!assures that 90% of the water! passing through the core flows through the fuel assem-~
Ibly. The assembly contains 173 gra'ms of U-235, i.e. 35% more than an assembly withl
1EK-10 elements. The use of these elements makes it possible to irradiate specimens.?
~in experimental channels or ampules with an outside diameter of 14 mm. Larger spec'
imens may be irradiated by using fuel assemblies with fewer tubular fuel elements.
However, use of the MR fuel as'sembly cuts down the volumetric fraction of water in
the reactor core to 0.65 as against 0.7 when assemblies with EK-10 elements am
i
used. The volumetric water fraction is cut still fiirther to 0.52 by the use of
iberyllium moderators to reduce nonuniformity in heat release due to localized in-
icreases in neutron density In the water spaces between adjacent MR fuel assemblies.
IThe use of these fuel assemblies increases the
3ower of the reactor to 8-11 Mw and
.'the maximum neutron intensity (U-235) to Iv9-10 neutrons/cm2 sec. The authbrs disJ
;cuss the experimental possibilities of the WR-S reactor with MR fuel assemblies.
10rig. art. has: 6 figures,.1 table.
CODE-. 18/ SUBM Wit 00'/ ORIG rxr: 001/ OTH REr: 003
Card 2/2,0----,-- ------ ,.-.--I

ACCESSION NR: APW3309 8/0252/64/038/002/WTI/W76
AUTHORs Ambartsumyanj Re To
TMEi Detection of signals ih a flow of ij~pulaee (Presented by V. A.
Ambarteumyan, Academioinny 06 January 1964)
SOURCE% AN ArwSSR6 Doklad^9 To 36, no. 2, 3-964p 71-76
TOPIC TAGSs signal oetection, impulse flovp blipp payoff) game theoryp stationary
flow
ABSTRACTj The author considers two simultaneous flous of impulses (blips)* It is
desired to classify each blip as either signal or noise,, with payoffb a and b for
the two types of erroro He gives standard game-theoretic results for the problem, I
Orige arts has: 5 Xbrmulas6
ASSOCIATIONt Institut matematiki i mekhaniki Akedemii nauk Armyanskoy SSR
(Institute of Mathematics and Mechanics Academy of Sciencesp Armenian SSR)
Cwd

M
M
A 01 L 5 5 1 --'14 -N
EWC-! /EWA k);/FBD/FfiT I [EWP (e )IM T (m) /F-F-C
FWA* W-tAgc(OA
-4 /Pf --4 'PI --4 In' A/N.,b
I r
Am t a r t fiu r, v a n ~uve
-Y-U
TITLEi 0- laser
_~w i t ch e d
SOU RC C Zburral eksperimanEal 11cv i teore:icheekov fizik., V. 47,
no. 4. 1964, 1595-1597
TOPIC TAGSt laser, ruby laser, la-,%!r amplifier, Q switch, switching
I laser
15~
ABSTRACT: Tne gross output clinTqcteristic of a Q-switebed ruby laser
W a a P e d t, v u s i n p, a K o r r c e I in conbira~ion with a pola=rziniz
prism as tbe&utter. Iiie z , 0 . 9 c ir, i n d i arne t e r,
and hAd a Cr concentration of 0.062. A helicai iiaA.' wag F-,-
c r r, i z e - ' t-v 9T% A-kv, 300-uf power supn1v and produced a 700-usec pulse.
1he re'r cell -as enervized '- a whose riqe time was
5 nanoseconds. 500 usec ailter i g n i a e g e r
f~ e t, ~i~ q single P~-,Ise vith an energy of i.6 ja~;Ies~
i, - :) f A se.7-ld rubv ip.ser as an fler -,?ro~dured an output pulse
Cl of 8 joules having a bteepez 1-rir 7. T P 'j
Card l/ 2

/F T F f n )..2 "JCOO/E PA2
T
ACCESS 1 OR N'b I Aj-y~_ 4 Q '.j
Q v 7~jyp i, V. S. P. 0. Krokbi_41__
4qo~-Ikig 4~.r -ite~r by fo~cuted
SOME: ZhmvL&l eksperiuentallmoy I tooreticbeskay fizikip v. 48P floe 6p 3965,
1583-1587 7
71DPTC TAGS% higb tIn -_ers~~j _Ugms, laver appl).cation', laaer radiation, litbium,'
T _p
air
:n 'Is-j~slrw t~-.e mialn tt,. Fc I m't the be-aling of matter to high
r, r he i 7-1., R
Q f
~~o bre&yooern
,.)e surface or s condensed "edluz -,c
obtaining a h1gb tempers-turo plams, 'r tt~P rmtze M's" C -M,
Card 112

59527-65
4CCESSICM N.Rl Apwl6549
,~-retllan Is one In vblcb onL-dimenslonal notion of ylasma occurs, since three-
. , ~ - s I -:,A, m-i I t. *, s t o rapt d roo-Ouc, 'or, I n fierig Ity P-P.41 a decrease in the re-
linder these condi-
tims the maxim= ach-lavable teWeratw-~
and tberml conduetivA7. P..e av t hw- z er r r t
t emlss4on r-r--4m a r18L Rma p-roftived tq focusl~ ~b* j "claL' -.r,
_qanple of 11thlum
ane "I ~ormu,..av_
f~ g Xv I I I at It ki tUlp
A--%'-..l'" o" SC44nnles' 1-6Z,
SUNG 16Janb5
Iv-) REY BOY 3 009 OTM C*3
i F-j f: S

Al-1/11,11"Rill-IYAN. RIV.
Poisson superpositions of clusters. Dakl, AN Arm. SSR 41 no.2:
7-3-80 t65. (U(A 18111)
1. histitut mateiratiki i mekhanlki AN ArmSSR. Icubmitted Mareh 31,
1965.

AP5027834 SCTD/IJP(e) vjq_ -'SOURCE CODE:
AUTHOA: (6.r~.,.pondia6 member AN SSSR); An
ka-r-ov, N -0
V. S.A Kryukov, P. G.; Li'tokhov, V. S.
4
j:_Zumv~
ORG: Physics Institu e 1m. P. N. Lebe ev,-Academy of Sci(?nces'SSSR,(Fizicheskiy 70
institut, Akademiya.nauk SSSM qy
TITLE: Velocity of propagation of a powerful light pulse in a medium with population
inversion
SOURCE: AN SSSR. Doklady,'Y. 165, no. 1, 1965, 58-60
-, All
TOPIC TAGS: lasemfl4y laser, laser pumping, optic*pumping
-ABSTRACT: The article is a brief advance report of a comprehensive work to be pub-
libhed--separately._It was shbwn,th4t the 'Leading edge of such a pulse does not- change
materially while propagatifig-vithin-a medi'um with inverse population. In the case
of a ruby medium with usuel.parameters, the velocity of t;ie pulse maximum on reaching
its stationary value was shown to be 17 x 1010 cm/sec, which greatly emceeds -the- -- - - I -_
velocity of light. This fact, however, does not contradict the causality principle, -
since such a propagation takes place as the result of the deformation of the initiall3,
weak leading edge, and can continue only to the point of zero intensity which always
propagates with the velocity of light in the medium. An amplifier composed of two
ruby4ods 24 cm long vas.used for experimental study of the problem. The end faces
nv

WV.jIT3I,l!Y,*N i:.V, (Yorovan)
An ripplication of the relation botween a Brminlan motion and
tho PJrIchlat r.,roblem. Teor. vorola-L. i ee prim. 10 n0,315391-
543 165, (MIRA 28.9)
1. VychislitclInyy t-v!nLr AN Armpxvkuy

RASOV, N.G.; BOYKO, V.A.; ZUYEV, V.S.; KROMIN, O.N.;
KRYUKOV, P.G.; SENATSKIY, Yu.V.; STOYLOV, Yu.Yu.
Heating of a substance under focused radiation from a laser. Zhur.
eksp. i teor. fiz. 48 no.6:1583-1586 Je 165.
(MIRA 18:7)
1. Fizicheskiy institut imeni P.N. Lebedeva, AN SSSR.

__EW B T 0(k)-2 ig~ WA(h) SCTB/IttP(q).
_AW/j~_WKWJO/4~_ ZjVqW
1-1 1379!.-66- , _j~(kizgWA(_ ) ?IA. - __ - I
ACCESSION NR. A~5022443 WO UR/0109/65/010/009/1729/1730
621.318-325.001.5:621-383-52
AUTHOR: Ambartsumyan, R. V.-,.Aasovj N. 0. t YelisA.'Yev P ZMV. V, a.
Kryukov".77M.11-M&I ~Ou. 111.
qq
TITLE: The measurement of the time parameters of a giant pulse laser by means of
a photodiode -2,5,
SOURCE: Hadiotekhnika I ele)ttronika, v. .10, nd. 9, 1965, 1729-1730
TOPIC TAGS- giant pulse laser, gallium arsenidejphotodiode, resolving time, Kerr
cell, photomultiplier
1 ABSTRACT: The time-dependent characteristics of a giant pulse lasqr switched by
a Kerr cell were measured by means of a gallium arsenide photodiode. The pbotodi-
ode was obtained by diffusion of cadmium into n-type GaAs with a 2 x 1018 cm73 cone
centration of tellurium during a period of 60 hr. The depth, thickness, and area I
of the p-n junction were 60 p, 0.9 p, and 2.5 x 10**3 CM2, respectively., The photo-f-
diode was pumped at right angles by a nonfocused laser beam &nd the pulse Vidth I
from the photodiode (connected across e- 75-ohm load) was 40 nanooec at room tempera---
ture and 20 nanosec at 77K. The results Indicate that the resolving time of the
uzrd

yll"W:~ Tni- C".-
L 1379-66
ACCESSION NR: Ap5o22443
photodiode is not greater than 5nanosec, a quality whichmakes it competitive-Vit
photomultipliers. Ublike photomultipliers, which introduce a signal time lag,
photodiodes are capable of accurately determining the time lag of a laser pulse
released by the Kerr cell. The experimental value of the lag was 80 nanosec. Ori
art. has: 2 figures. [YX1
ASSOCIATION: none
SUBMITTEM. ogDec6h ENCL: 00 SUB CODE* EC
NO REP SM. 001 OTHER: 001 ATD PRESS:

CODE:
AUTHOR: Ambfidaummn, R, Vp,,* gaggy, no 09; Kryukcrr, P. G. Ioetokhoy V. -8.
ORGi PWsics Institute im. P, 1, Ioebefttj_~&d ~ of Sciences SSSR- (Fiziabookiy 10
stiti Akedemil nauk Sm-SR)-.
TITIM: JAser w3h nre onaft feedback
SOURCE: Zhurnal e perimental0noy 1, teoreticheskoy fiziki. Pialm Y redektaiyu.
Prilothenlyep vo 3j, no. 6, 3,966, 261-264
TOPIC TAGSt laser r and dp ruby laserp laser beam, light scatteringl laser optics
ABSTRACT: The authors reportachievement of laser action with nonreoonant feedbackp
produced by back-scattering Vr4m a volume or a surfacep which behaves like a "Sto-
chastic" resonator with a continuous natural- frequency spectrum. The laoing frequeM7
does not depend on the-length of the resonator., but is determined by the resonant fl*-
quency of the-active medium. In this laser (Fig. 1) the active medium comprised two
Fig. I. Diagram of experiment. I - Seat-
tererp 2j,3 - ruby arymtal,, 4 - mirroro 5 -
filterp a - pbotocelli, 7 - oscilloscope,

ACC NRs AP6000754
ruby crystals in series., each 24 cm long ard 1.8 cm in diameter. The feedback was
produced with the aid of a mirror (reflection 99%) and a volume scatterer (suspension
of chalk particles inwater) or surface scatterer (plate with a layer of sputtered
M80). The light was "Corded with a photocell and oscilloscope, and its spectrum was
measured with a Fabry-Perot interferometer, The gain of a weak signal In one PassagaL
through the two crystals reached 9DO. The condition of self excitation of the laser-,
Is described. The lasing threshold is found to be practically independent of the
angle of inclination or the scattererp over a wide range, but increases with increasin
distance between the scatterer and the crystal. nle radiation line width wall smaller
than 0.015 cWJL and was deterAined by the resolution of the interferometer (the spon-
taneous emission line width of ruby is 15 cel-). An investigation or-the beatfritAia;;i
ti4ii'-sii~ctrum has shovu that -there are no frequencies characteristic of lasers with-'-
resonant feedback. The angle spread of the beam was proportional to the ratio of the
crystal diameter to the average distance between the mirror and the scatterer. TLe
distribution of the radiation field in the far zone was quite homogeneous. A pulse
with duration 200 nsee was obtained in the case of Q-switching of the stochastic res-
onator. The average frequency of the generatted radiation in the laser with nonreao-
nant feedback was determined by the position of the center of the atomic tranatiion,,
and not by the resonance of the feedback. It is consequently possible to produce an
optical frequency standard on the basis of a laser with nonresonFmt feedbaqk, using
high-gain atomic transitions ir a gas discharge (Nep Xe, etc.) operating An the con-
tinuous mode, and also scatterers with narrov back-scattering directivity pattern.
bard

A& -R"s'j&?hD8754
It is noted that generation With feedback due to scattering by inhomogeneities of the
Mstal and by the matte side surface of the crysW can limit the m&ximum gain*
Origs afte Mat 2 figures* 1021
SUB CODEt 20/ SM DA791 OgFeb66/ ORM MW: 002/
OM PSF: 003 ATD PRESS:
Cam

I K~ P I J F i G111.G 1%1 iW, h
Atc~-Nrt --AP602M8-
SOURCE CODE: UjV038616610o4loolIO01910022
AUTHOR: AmbartsumnLn H. VI;.Basovs N. o._,. zuyevp v. S... Ps G.,, Letokhov,
V. S.
ORD: -PbYsIcs Institute ev, ad
jAko Acad Cs 1-96B (Yizichesidy in.
TITIZ: Propagation of.. a li4julso in a, nonlinearly,, amplifying and absorbing medium
SOURCE: Zhurnal eksPerimenteatnoy I teoretichesko5, fiziki. PJ81ms v redaktoiyu.
Prilozheniyeo v. 4p no. Is 1966s 19-22
TOPIC TAGIR: coherent light., light pulses laser beams laser r and dy pulse shape.. ruby
optic material
ABSTRACT: This is a continuation of earlier work by the authors (ZhETF v. 50, 23,
199),, where propagation of coherent light in a medium with nonlinear gain was investi.
gated and the possible shortening of light pulses in such a medium predicted. The
present letter reports on successful experiments in this direction, showing that to
obtain compression of a propagating light pu3se it is necessary, to eliminate the trans-
verse structure that Is produced in the light pulse when the latter Is producedp for
example, by a Q-awitched,, laser. In the test setup (Fig. 1) the amplii7ying component
consisted of three.,r b component was two cuvettes fill
..vb7ocrystalo and the a sorb ed
with a solution of vanadium phthelocanp uene. In the initial experiments the
0~ to~~
pulse compressica cou noT a r aM c u
-ed i~ec use of the trauverse structure resulting
L Card 1/9

ACC NR, AP6023635
Fig. 1. Diagram of experi-,,
ment. 1 - Iazer,, 2 - Kerr
shutterp 3 - euvettej,
ruby crystal
from the fact that the development of pulse generation in the peripheral parts of the
crystal is delayed by a time'of the order of the pulse duration. Success was attained
when this structure was eliminated by means of a second Kerr shutter that cut off the
leading front of the generator pulse. 7he pulse width was reduced from about 11 nsec
(at 0.5 J energy) past the Kerr shutter and the first absorbing euvette to 5.7 nsec
(10 J) past the second amplifying crystal, and 2 nsec (15 J) past the third. A light
output of 7 - 8 GW (3 GW/cM2) -was attained. The pulse power is much higher than the
power causing damage in ruby crystals at 10-8 see duration (I GW/af). Although
damage to the crystal is hindered by the short durLtion of the pulne, it does not pre-
vent generation of powerful Ught pulses shorter tIAn 10'9 sec. It is concluded that
extremely short light pulses are obtainable with tvo-component. media in which the ab-
sorbing component has a saturation energy much lower and a homogeneous line width much
larger than the anplifying ve&um. Orig# art. has: 2 figures. [021
SUB CODE: 2Q/ SM UM: 03ft"l ORIG TWt 003/ Ont MV: 001/ ATD PRESS
Card 2 VII.

L 21840-66-- ZEC(k)-2/Er4A(h)/EWP(k)/I~w?(l)/FBD/T IJP(c)
ACC NR- AP6004913 SOURCE CODE: UR/0056j66/050'/001/0023/0034
Al ITHOR: Basov, N.- G, AmbartsumXa R. V
e 7-Mjt&V.._4, ~Mjw% p. a, Letoldw, V
ORG: Physics Institute Im. P. N. Lebedev, Academy of Sciences SSSR
(Fizic skiy institut Akademfi nauk SSSR)
157
TITLE: Nonlinear amplification of a light pulse
SOURCE: Zhurnal eksperimentallnoy i teoreticheskoy Mild, v. 50, no. 1. 1966,
23-34
TOPIC TAGS: laser, nonlinear optics, stimulated emission, quantum amplifier
ABSTRACT: A theoretical and experimental analysis is made of the passage of
a powerful light pulse from a laser through a laser amplifier consisting of two
ruby rods operating in a saturation regime. The preliminary experimental results
have already been reported (Akademlya, nauk SSSR. Doklady, v. 165, no. 1, 1965,
p. 58-60 (see ATD Press, v~,~ 4, no. 138, p. 7-8)). In the experiments performed,
it was shown that as the result of nonlinear amplification the velocity of the pulse
is 6-9 times greater than the velocity of light in vacuum. To decrease the pulse
duration during nonlinear amplification, the slope of the incident pulse should be
Card 1/2

--L 2184o-66
ACC NR1 AP6004913
increased by chopping off the exponential leading edge of the pulse. By using a
second Kerr cell, the duration of the pulse was shortened from 8.7 0.5 nsec
to 4.7 -k 0.5 nsec and the time from 3.7 * 0.5 nsec to 1.9 * 0.5 nsec. The theo-
retical analysis of nonlinear amplification predicts both of the observed effects.
Orig. art. has: 19 formulas and 8 figures. ICS I
SUB CODE: 20/ SUBM DATE: 31Jul651 ORIG REF: 0111 OTH REF: 008
2/2

v T i )__2T
ACC NRt AP6031433 SOURCE CODE: UR/0056/66/051/002/0406/0411
i MINOR: Arlbartsumyan, Re Basov, N. G.; Zuyev, V. S.; Kryukov. P. G.; 57S
Letokhov, V. S.; Shatberashviii, 0. B.
UKU; Physics Institute Im. P. N. Lebedev. Acgdemy of Sciences,SSSR (Fizicheakiy
institut Akademii nauk SSSR)
TITLE: The structure of a giant pulse of a q-switched las er
SOURCE: Zh eksper i teor fiz, v. 51, no. 2, 1966, 406-411
TOPIC TAGS: solid state laser, ruby laser, giant pulse laser, Q pwitched laser,
14ser output
ABSTRACT: The spatial and temporal development of a giant pulse of a Q-switched rube'.
laser in a transverse direction and the effects of the cavity on it were investigated
experimentally by means of the setup shown in Fig. 1. A ruby rod 9 mm in diameter
and 120 mm long with dull lateral surfaces was placed in a reflector with a helical
IFK-15000 flashlamp. For an 8-kj pump the gain per pass was approximately 12. A
1.5-j single laser pulse was generated with a duration of 10-15 nanosec. Q-8witch95
was done by means of a Kerr cell or a vanadium plithalocynnin solution. The exponen-
tial results indicate that generation commences in the center of the crystal and
spreads transversely over the entire crystal in 3-10 nanosec, i.e., in a time com-
parable to the duration of the integral pulse. The spatial development of generation
112

L 44?91-1-66
ACC NR. AP6031433
4
L; 7
Fig. 1. The experimental setup
I - Mirror 99% reflective; 2 - polar-
izer; 3 - Kerr cell; 4 - ruby cryst+
5 lens; 6 - semitransparent plate;,,'
7 screen with diaphragms; 8 - intat-
ference filter; 9 - dull glass;
10-12 - coaxial photocells;
13 - multibeam oscillograph.
depends essentially on the density distribution of population inversion in the
crystal and on its refractive index. The experimental data agree fully with theore-
tical data presented ilsewhere N. S. Letokhov and A. F. Suchkov, ZhETF, 50, 1966,
1148). The authors propose further experiments on the measurement of nonuniformity
of the complex permittivity at the instant of Q-switching and generalization of the
theory for the case of a nonuniform refractive index. Orig. art. has: 7 figures. [YK'
SUB CODE: 20/ SUBM DATE: 06Mar66/ ORIG REF: 007/ OTH REFt 006/ ATD PRESS:5080
2/2 b1

-AP60324 6, 166105ilob-3- "4-/
rCC NR, OURCE CODE: UR ~-'Fo~6 /072 072
AUTHOR: Arabarts=Van, R. V. ; Banov, N. 0. 9 Kryukov, P. G.; Letokhov, V. G.
0R0: Physics Institute im. P. N. Lebedev, Academy of Sciences,SSSR (Fizicheskiy
instit-ut Akademii.n-aU SSGR)
TITIZ: Laser with a ncnreso!.,iant feedback
i6
SOURCE: Zhurnal. eksperimentallnoy i teoraticherkoy fiziki, v. 51, no. 3,'1966,
724-729
TOPIC TAGS: solid state laser, ruby laser, nonresonant feedback.,EiiEM laser r and
ABSTRACT: A description is given of a pulsed laser with a nonresonant feedback
achieved by back scattering of radiation (See also FLSB, v. 2, no. 5, 1966, 1-6).
The arrangement used in the experiments is shown in Pig. 1. The active medium
2 j 5
4 8 .7
Fig. 1. Experimental arrangement

ACC N R: Al'7003209 SOURCE. CODE: UR/0056/66/051/00
6- 1_~69/1675
AUTHOR: AmbartsumX.!~n_,_,A,,,y,, ; Kryukov, P.G. ; Lctokhov, V,S.
ORG: Physics Institute im. P.N. Lebedev, Academy of Sciences SSSR
(Fizicheskiy institut Akadcmii nauk SSSR)
TITLE: Dynamics of spectral line narrowing in a nonresonant feedback
laser
SOURCE: Zh eksper i teor fiz, v. 51, no. 6, 1966, 1669-1675
TOPIC TAGS: solid state laser, ruby laser, -aonqtecsvzrant feeAly&-6~~r4,
laser _01~. the
ABSTRACT:The authors proceed from rate equations fo~ the spectral density o1
;photons and for the density of the active particles. The time-dependent
line width Av, is expressed in terms of exact solutions through numericall
integration, and also in terms of a simplified formula which shows that
Av; after an initial transient-state period, grows roughly as k//E-
(k---threshold gain per pass)* i.e., much more slowly than in lasers with
resonant feedback. The experimental part of the paper deals with the
112 UDC: none

ACC NR, AP7003209
'spectral analysis of the emission'o'f a nonresonant feedback ruby laser by
,the method of the Fabry-Perot interferometer and the rotating-mirror.
.spectrograph. The parameters of this laser were described earlier
'(Ambartsumyan, R. V., N. G. Basov, P. G. Kryukov, V. S. Letokhov. ZhETF,
-PvR, 3, 1966, 262; ZhETF, v. 51, no. 2, 1966, 724). The observed values
of the spectral width are shown to confirm the theory. White paper and
magnesium oxide were used as surface scatterers, and smoke and sulfur
1hydrosols were used as volume scatterers. With smoke the threshold gain per
:pass k was naturally very h'Agh, and narrowing (to 0.03 cm-1) occurred
quite rapidly (in 100-300 psec).
SUB 'CODE: 20/ SUBM DATE: igjui66/ onG REF: 005/ OTH REF: 005
ATD PRESS: 5113
Ca r4 2/2

Approximate method for calculating sloping thin shells. Dokl.AN
Arm.SSR 6 no.3:65-69 147. (NUU 9: 8)
1. Institut stroltellufth materialov i soora2heniy Akademii nauk.
Armyanskoy SSR, Yerevan. Predstayleno, A.G. Naxarovyu.
(Ilastio plates and shells)

AKaLwSUMYAVjJ4&6-
.havAd"UN" - -- -
Some problems in the theory of anisotropic shells. Izv.AN Arm.
SM.Bat.nauki no.9:55-77 147. (YI-HA 9:8)
1. Institut Stroymterialov i soorusheniy AN Arm. $M.
(Roofs, Shell) (Struotures, Theory of)

AKBART" 3 S.A.
--M"
Homentleas theory of anisotropic shells. Izv.AN Arm.SM.Ser.
YKXT nauk I no.6:461-471 148. (MAL 9:8)
1. Institut stroitellnykh materWov i soorutheniy Akademit nauk
Armyanukoy SSR.
(strains and stresses) (Blastic plates and shells)

Symetrioelly loade& anisotiopic shells of revolution. DALAI Am
SSR 9 no.56.203-206 148. (KERA 9M)
1, Institut strottel"Wkh materialov i soorushenly Akademii nauk
Arzymnskoy SSR, Yerevan. Predstavleno A,G. Nasarovym,
(Ilastic plates'and shells)