SCIENTIFIC ABSTRACTS ABDUSHELISHVILLI, R. G. - ABDYUKHANOV, M. A.
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RIF
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S
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141
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December 31, 1967
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AEDUSHK,I":A:VILI, 9. G.
Cand Med Sci - (diss) "Effect of several exoFenic factors on hypo-
and hyperplastic processes of blood circulation,and problerus of
inter-relations among.-these eonditiohs." Tbilisi, 1961. 19 ~'P;
(Tbilisi State Med Inst); 160 copies; pi-ice not triven; (KL,
7-61 sup, 2%)
DES(ATCHIKOVO B.A.; kand. ekon. naukj GADZAILOV, G.F.p kanao ekon.
muk; YJMROV, Z., nauchn. sotr.; ABDUSHUKUIZOV, T.1 KALYAKIN,
P.V., kand. ekon. nauk; FOKIII, A.I., kand. ekon. nauk;
BAKIYEVA, R.A.9 nauchn. sotr.; IBRAGDIOV, M., nauchn. sotr.;
YJ,RDASIq A.A., kand. ekon.naukj KADANER, E,A.; NIKONOV, F.D.,
nauchn, sotr.; ANTONETS, G.E.; ARTYKOVj A.A., kand, okon,
nauk; TRUSOV, A.1%; OVCHAROVA, X.A., nauchn. sotr.; TSOY,P.,
nauchn. sotr.; RMAM, F.V*, kazda ekone naukp 9tve redo;
DZIUMALOV, O.B., doktor ekon. naukp red.; ARTYKOV, A., kand.
ekon. nauk, red.; DESYATCIIIKOIY, B.A.,, kand. ekon. nauk, red.;
SHARIFIMODWAYEV, M., kand. ekon. naukp red.; DESYATNIK, F.I.I.0
red.; C4R'KOV4Cfj,, Z.P., tekhn. red.
(Econorlos of the machinory manufacture of Uzbekistan] Ekono-
mike, mashinostrooniia Uzbekistana. Tashkentp Izd-vo AN Uzb.SSR,
1963. 289 p. (NIRA 16:12)
1. Akademiya nauk UzIbekskcy SSR, Tashkent. Institut ekonorlki.
(Uzbekistan-Fachinery industry)
ABDUSHUKUROVA, R.U.
Feeding habits of the grass snake In the Tashkent Fish Hatchery
during fall period. Zool. zhur. 44 Tio-3i462-463 165, (MIRA 1818)
1. Institute of Zoology and Parasitology, Academy of Sciences of
Uzbek S,S.R., Tashkent.
A-~Ilju-~iiiy I . F.
37234. ~'*-----7:,:Jl!l, P. P. i !I. iZoll sollcl-..~)rov v rcL;'..Cr.'-i
zadach ratsionallnoy ranni otuki mftyarKrkh zal-7,hev. Doklad' al.-I, Nr k L,;,Zt, Novaya
seriya, T. L 191l') s. 663-666. - :-Iio ?r: 6 l.,izv.
J.X, No. 5,
SO: Letopis' Zliurzialinykli Stabey, Vol. 7,, 19 49
C
M)XSIMY(',![P,','A, Z.T.: ABWSLYANOV, V.
quantltn dive erminntion of
24 no.it:lml-4m 159.
(Potnssium--Analysia)
notnasinn in the forn Of MW4. Znv.lfib.
(MIRA 11:4)
(Potnasium fluobornte)
ABDUVAKIIIDOV, Kh.
Wator balance in virgin Sierozems. Nauch. trudy Tash GU no.204:
156-172 162. (IMIA 17:9)
ABDUVALIT$yq,.,A,,; X'RATRUrDInDVAg M-Kh.,, ANMTXV* A.G.; SULTANOV, A.B.
Tharmosetting resiu from furfur7l alcohol and furfurola. Uzb,
khim. shur. no.4:53-57 158. (MIRA 11:12)
I.Institut khimli AN UzSSR.
(resins, Synthetic) (Y'urfuryl alcohol) (Puraldeh7de)
SULTAIM, A.S.; ABDUVALITEV A.A.
W--ftw.CMNA )1,
Producing furfuryl alcobol by continuous hydrogmnation of furfurolo.
DokI. All Us.SSR no.7:19-21 158. (KRA 11:10)
1. Inntitut khimii All UzSSR. Predstavleno chlenom-korraspondantom
Ali UzSSR Kh.U. Usmano M.
(Purfuryl alcohol, (FuraldelWda) (Hydrogenation)
SULTAROV, JL.S.-, ABDIJVALIIBV, JL.A.
Continuous reduction under press-are of furfarole to 2-methyl- .
furan. Dokl.AN Uz.SSR no.12:35.-37 '58. (MIRA 12:1)
1. Institut khimii AN UzSSR. Predetavlono chlenom-korrespendentom
Ali UvSMI lh.U.UsmaAovym.
(Puraldekyde) (Furan)
C- - ABDbTALITEV, A.A.; KRAYRUTDI11OVii, fl.Kh.; ANDREYEV, A.G.; SULTANOT, A.S.
Method for the production of glue for repairs of wires with
poly-vinyl chloride insulation. Uzb. khim. zhur. n0-3:72- '59.
(MIRA 12:9)
(Electric wire, Insulated-Raintenance and repair)
KORSHAK, V.V.; sULTANDV, A.S.; ABDUVALITICV, A.A.
Polynorization of furan and ovlvan with the aid of ionic
catal7sts. Usb.khim.zhur. no.4:39-47 159. (MIR& 13:1)
1. Institut kbiall pollmerov AN UzSSR i Institut okeperimentall-
noy optiki i spektroskopii, AN SSSR.
(Puran) (Catalynts) (Polvmerization)
SULTANOVj A.S.; AJIDUVj%LTTSV, A.
--,. ~L
Polynerization of sylvan and furan, Dokl.AN Uz.SSR no.6:24-26
159. (mm nnq)
1. Inatitut khIskit AN UzSSR. Prodstavleno chlenom korrenpondentom
AN UzSSR Kh.U.Usipanovym.
(p()lymere and polynerization)
ABDUVALIYEVI A. A., Cand Chem Sci -- (diss) "Obtaining some film-
forming polymers on a basis of furfural.11 Tashkent, 1960. 15 PP
with graphs; (Academy of Sciences Uzbek SSR Inst of the Chemistry
of Polymers); 175 copies; price not given; ~KL, 25-60, 12?)
KHAYDAROV, Kh.F.,.- SULTANM A.S.; Z~~PVALIYEV; "I.A.
Polirmt: 1.~ntlon of sylvan in the prtserve c-i lorill(;
. i consisting of antlmony~, ttrid aozi-~mlm
Cat&l'~L I
chlorjj-~s and organcosialcor :,ompcmd!~. FI.*;-M. --'I fiz.-khim.
pniroti. i P.011M. 110.19131-P-7 (MIRN 18CI)
.11 - j -(~t
POIYmerllzatioli of sY)T'an i solutien,,
ISRAILOV, D.; ABDUVALIYEV, A.A.; B,M;OVI LISMY, V- Ye.,' SI;LTtj,:OV, A.S.
Processing of polytetrafluo-zoethylenc, into film's by mixing
with polyBylvan. KhIn. i fiz.-khim. prirod. J. sint. polim. no.l:
215-219 162 (I-111RA 18ti)
S/08 621000101510361036
B1 71 X151 01
AIUTHORS,. Khaydarov, Kh. F., Abduvaliyev, A. A-l Sultanov, A. S.
TITLE- Investigation of the polymerization of sylvan in tho
presence of organio-titanium-ailicon halide-ionio catalysts
PERIODICAL: Referativnyy zhurnal. Xhimiya, no. 15, 1962, 632, abstract
15R35 (3b. "Yopr. izpolizovaniya mineralln. i rastit
syr1ya Sredn. Azii.11 Tashkent, AN UzSSR, 1961, 1213-132)
TEXT, The reaction of,the polymerization of sylvan under the action of
complex catalysts: Ti CH 3S'12C11 0 9 Ti [(C11 3)2"12"8' Ti [(CH3)3S'12C'6
and Ti IC6H5Sij2Clj0 has been investigated. The reaction was carried on
for 5 hours at 500C and the amount of the catalyst used represented
0-5-0 mole per mole sylvan. The yield of tho polymer increases with the
decease of the number of methyl groups in the catalyst. The molecular
weight of polysylvan ranges from 1500 to 2000. Polysylvans thus prepared
may be used in the paint and varnish industry. [Abstracter's note:
Complete translation.]
Cai~d I /I
ABDUVALIYEV A.A.; BODNYA, M.D.; BARANOVSKAYA, G.M.; OBNOSOVA, A,D.;
-.- D.
Continuous method of sylvan polymerization in the solvent medium.
Lakokras.mat.i ikh prim. no.6127-29 162. (MIRA 16:1)
(Sylvan)
A6BDUVALIYLV, A.A.; BCPHYA, 1M.D.; 13ARANOVSKAYAS G.M.; OBNOSOVA, A.D.
Investigating the film forming properties of polysylvan modified with
PF-?6 alkyd resins. Lakokrus.mat. i ikh prim. no.2:17-18 163.
(MIRA 16:4)
(Furan) (Resins, Synthetic)
L 14947-60- Pc-4 FM
ACCESSICN-M AP3DOMI SIO 190/63/00 510 07/1012/1015
AUTHORS: n"daroy, Kh., F, 1 Abduvaliyev A. A.; Sultanovp- A& so
17TLE: Chemical structure of Polmrivan
SCURCEs %`y*s*kor*lebilym-M*ye soyedinvniya, V. 5, no. 7, 1963, 1012-10i5
7WIC TAGS: sylvan, pol7sylvany furan, polyrerization, ozonization
ABSTRAM To find out the proper structure of polysylvFn, two grams of the latter
were dissolved in 40 n1 of ehloroforn md subjected to o2oni7ation at CC by passing
Into It oxygen containing 2.5-3.5% ozone et a rt)te of 50-60 ri/rdn. The ozoni
t1on was discontinued when the fluid turned blue, and the chloroform was d1stLza1;d
out. TMe ozonized product was decomposed by treatrent at 80-90C with 30 ml of
hydrogen peroxide, resulting in a turbvlent evolution of carbon dioxide and leaving
a brittle spongy rase. The latter was subjected to ana3,Tsis -!or car'hnvvl - 17dr=l
rell as by infrai-p-d spectre-
scopy. While the test for acetyl groups proved negative, the acidity 6mber was
estimnted as 2~.l and the percentege of bydroxyl groups as 17.1, from which it was
determined that polynerization of sylvm tat-ps place at the C-C bonds of the furan
ring with the retl7lated carbon atom. 7'he infrared spectra were t6cen by Yu. T.
Tashrulatov and Yu. P. Putnev at the nnelytical laboratory of the Institute.. Orig.
Card I/?/ Association: Inst. of - Po.jymer Chemistry, Academy of.Sciences, Uzbek SSR
ABDUVALITFV, A.A.: IMAYDAROV, Kh.F.; SAODULLAYEVA, P.; OBNOSOVA, A.D.
Lacquers based on urea-formaldehyde resins modified vith furfuryl
alcohol. Lakokras.mat. i ikh prim. no.2:67-69 164'. (MIRA 17:4)
-ABDUVALIYEV# A.A.; KIIAYDAROV, Kh.F.; SULTANOV, A.S.; SIGOV, V.V.;
DORONIN, N.L.; TARASOVA, A.G.
Production of polynylyan from the wood-chemical sylyan. Gidrolis.
i lesokhim.pron. 17 no.2:22-23 1W.' (MIRA 17:4)
1. Institut khimii polimeroy AN'UzbSSR (for Abduvaliyev,
Khaydarov, Sultanoy). 2. Ashinskiy lesokhimicheskiy kombinat,
(for Sigov, Doronin, Tarasova).
ACCESSIO*N NR: AT4040809 S/3099162/000/001/0215/0219
A., Bronovitakly, V. Yo., &Lltanov, A
AUTHOR: laraHov, D., AM al S.
~v iye
TITLE: Conversion of polytetrafluoroethylene into films by mixing with polysylvan
SOURCE: AN UzSSR. Inatitut khimil polimerov. Fizika i khtmiya prirodny*kh i sintetichesl~kh
polimerov, no. 1, 1962, 215-219
TOPIC TAGS: teflon, polytetrafluoroethylene, polysylvan, polymer film, teflon film,
polymer mechanical property, dimethyldichlorosilane, polymer electrical resistivity
ABSTRACT: Polysylvan, obtained by the polymerization of sylvan in the presence of ZnCl 2
and dimethyldichlorosilane in N at 50C was then used for the preparation of teflon 'J.
films by two methods: (1) MiWag of ~o~dercd polytetrafluoroethyleno with polysylvan in
ratios of 1:1 to V5, and heating in reactors at 280-300C; however. homogeneous products
could not be obtained at'any intervals of temperature and polymer ratios. (2) Mixing Variclus 7.
proportions of the polymers in rollers at a roller friction of 1:1. 2 and temperatures of 30-8 C.. i.
In both cases, fUms of various thickness with different physico-mochanical indices were
,Card
7.1i
ACCESSION NR- AT4040809
obtained. The beat conditions were rolling at 60-60C for 40 minutes. Part of the films were
baked In presses at 280-300C and tha rest were extracted with acetone to removh the excess
polysylvan and then baked at 300C. When 1:1 mixtures of polytetrafluarethylene and polynylvan
were rolled at 50-60C for 10, 20, 40 and 60 minutes, the rupture strength of the films
obUdned was 85, 130, 162 and 105 kg/cM2, respectively. To study the effect of the presence
of silicon in the polymer on the blending of polytetrafluoroethylene. experiments were
I carried out with polysylvan containing silicon on one or both ends of the chain. 7be rupture
strength of these films was 51 and 170 kg/cm2, respectively. lbo authors also studied the
electrical resistance of the films, with or without removal of excess polysylvan. Ile results
showed a decrease In electrical resistivity with increasing temperature (20-150C), and an
increase after extraction with acetone. When films containing excess polysylvan were baked
i-on an hydraulio press with a pressure of 20 kg/CM2 at 280-300C, dark colored films were
obtained with holes from the leakage of the excess polysylvan. To eliminate this problem,
the quantity of bound and free polysylvan In the film at a 1-.1 ratio of polytetrafluoroothylene
polysylvan was studied. - An average of 18% of the original polysylvan remained in the film
after washing. Films (fom which the excess polysylvan had been removed were highly
:V3
lCard
17
ACCESSION NR-. AT4040809
resistant to all solvents, Including concentrated nitric acid. Orig. art. has: 2 tables.
ASSOCIATION: Institut khimfl polimarov AN Uz SSR (Institute of Polymer Chemistry,
AN UGp)
SUBAUTTED: 00 ENCL: 00
SUB CODEt OC, MT NO REP SOVi 004 OTHER: 001
3/3
Card
I
. - - -, . , ia ~ / -I i , C , / ;, - , a ~ - I I - -
-, , " - 1 N "',
.%, , . Ap"rInilia
S ION N R A Fc~ 0 0 1 13 ij
i'(-, file '-Izatjon of sylvan in the '7.
Ivall. anu in me pr#,Fzenr~ ,f
lln,,iti,ut ktiirnii Fx-)iirni~ ~t- A % -~74
rgrtzrinticn of nbffie IndiceB Of M-Ot?'71
7,(Ii I RC EMe di t ii nskiv zhurnRl UzbekistRns. nn. -11
A", FSSTON NR
I _71 r q w" wag Tho
I PC,. 0 [De
S, JT~
OTM: 000 im
TU7 SOV OW
21
I P. jor;?a [Wizd rftR
. - I I --. .~ -1:-.1 q. .1 .1 . I I - . I . - " ~ - ... m
--- - -- - --- - - - -- -- - - - I ---- --- --
I * AS: -1 ~AUIC-i allu ~) I- i--
MADZIUDOV, A.; ABDIJVAI,TYFVp A.; SULTANOVy A.S.
Production of 2,5-diimthylolfurnn. 'Jzb.khim.zhur. 9 no.l.*72-75
165. (MIRA 18:6)
1. Inbtitut ispolIzoWinip toplivn Gosudnrstvannogo neftekhimicheskogo
komitets pri Gosplnns SSSR.
KHAYDAROV, D.F. ; SULTANOV, A.S.
Polymerization of silvan an complex ionic catalysts and the use
of polysilvan as a film-forming agent. Uzb.khim.zhur. 8 no.4:65-
70 164, (MIRA 18:12)
1. Institut khimii polimerov AN UzSSR. Submitted May 4, 19&1.
ABDLIVA~jWVI, A.A., I ISMATOV, N.Kh.; BARANOVSKAYA, G.M.
Copolymerization of oilvan and tung oil. Uzb. khIm. zhur. 9
no.5:48-52 165. (MIRA 18:12)
1. NIJXhTTS. Submitted Feb. 20, 1964.
~ - -M - - , - r --- "a " --- --- , - -- --- --- - -
ACC NR, AP6008591 (A) SOURCE CODE:
UR/02S11/65/00/005/0048/0052
AMIJOR: Abduvaliyev, A. _L.1 Ismaton 1~. Kh. ; Baranovskaya, G. M.
ORG: HIIKhTTs
TITL1;: Cs!P21)mri2ati0nLf sylvanland
SOURCE: Uzbekskiy khimicheskiy zhurnal, no. 5, 1965, 49-52
TOPIC TAGS: copolymerization, sylvan, tung oil I
ABSTRACT: The copolymerization of sylvan and tung oil in the pre-sence of ionic cata-
lysts was carried out at 500C in an inert gas atmosphere with constant stirring. The
Catalysts, ZnC12, (CH3),SiCl Y, and sulfuric acid etherate, were found to be complete-
ly suitable for obtaining high yields of sylvan-tung oil copolyr.*rs. Lacquer films
on glass and steel substrates were prepared from the solutions, and the physicomitcha-
nical properties of the copolymer films were measured. As the sylvan content of the
copolymer increases, the drying rate of the film, its hardness, luster, and water re-
sistance increase. The optimum ratio of sylvan to tung oil was found to range from
80:20 to 50:50. The films adhere well to metal and wood. Infrared spectra indicate
that the copolymerization of sylvan and tung oil in the presence of ionic catalysts
forms a substance with a higher molecular weight and a lower specific functionality
than those of the initial oil. This causes a decrease in the gelation rate of tile co-
polymer as its sylvan content increases. Orig. art. has: 2 figures, 2 tablos.
SUB CODE: 07/ SUBM DATE: 20Harf)4/ ORIG REF: 0021 OTH RM ODD
(Illy "',Oil Seiance. Soil cowimill MrA Gorign-phy.
10662
A!:T At,~wyftv. M, P.
ACadft!,I:; of SeiOJ2COS, Azttrbei~azlxsr.
TIT :Oynltn~w of Lhe of toils in Sastora ~~drvan
-,I; N A -z. ti r
TT. 4-y rn-audin. konforexitall twpir&xitov i,~
The j-.~4.ino w-,;i~ition :X l.)ij followin..t I i1fi Ur ~:tl) t
:o ri
S~i~rvanl 1.3 doscribA: tno d~ir'r- br,.)vii af to,--- f i., mi 3 t(01.,er-
suU, drirk ahob'nut,
wlth stu~)pe, meadow-bog W-0 Tcatlch~w
16
ADDHAT, X.R.
Moisture regime of molls In the eastern part of the Shirvan ftoppe.
Trudy lust.pochT.1 agrokhim.AN Axerb-OM 7t215-223 155. (MM 9112)
(Shirvan Gtoppe-ftil moisture)
R.
ABDUYEV) M.. R.: "The vater-s-31t dynamics of soils of the e&storn nor-
tion of Shirvan Steppe." Published by the 4cad Sci Azerbty(fthlin
SSR. Min Higher Education USSR. Armenian Agricultural Inst.
Baku, 10,56. (Dissertations for the Degree of Doctor In
Agricultural Sciences).
SO: Xnizhnays Letopist. No. 22, 1956
ABDUM , X.R.
Geomorphology of the eastern part of Shirvan Steppe. 1xv.
AN Aserb.SSR no.4:59-68 Ap 156. (KLRA qtlO)
(Shirvan Steppe--Geology, Structural)
USSR/Cultivated Plants - Fruits. Berries. m-6
Abs Jour : Ref Zhur - Biol., No 7, 1958, 2908
Author : Abduyev, M.
Inst :------------,
Title : From an Attempt to Reclaim &-ilt Lands for Gardens aiid
Vineyards.
Orig Pub : Sots. s. kh. Azerbaydz"'Iana, 1956, 'No 10, 19-21
Abatract : Description is given of the salt land conditions of the
soils occupied by Gardens and vineyards in the sovidiox
near the city of Min~;ecliaur in j%zerbaydzhan. The aCTo-
tecliny is indicated which is needed to increase the salt
resistance of the plantings.
Card 1/1
ABDITYEV, M.R.
oil moisture cycle awl conditions for the devil) i. -t of agricultural
.p
crops In the eastern part of the Shirvan Steppi: i4i ~zqrbaijani with
sunrary in Russian). Izv.AN Azerb.SSR no.93-11, .' '37. (Y,;Lk 10:8)
(ShIrvan Steppo-Crope and soils)
(Soil moisture)
AHDUYICV, M.R.
Salinixation conditions and types Of saline soils in the eastern
part of the Shirvan Steppe. Trudy Inst. pochv. i a4grokhim. AN
Axerb. SSR 8:47-82 158. (MIRA 12:10)
(Kura lowland--Alkali lands)
JLBDM,V, M.R.
Specific nature of the deluvial. type of soil salinity in the Kura-
Aran Iowland. Izv.AN Lzarb.SSR.Ser.biol. i sallkhoz. nauk m.1:81-94
1 59. (Kura Lowlancl-Alkall lands) (MIRA 12:1)
ABDUYEVP We
Chemical aW geographical characteristics of soils with a taluo-~ypti
salinity in the Siazsn'4umg--,it Massif. Izv.AN Azerb.SSR.Ser.bial.i.
med.nauk 307-64 161e (MM 140)
Siazan'tregion-Saline and alkali soils
it'rsgioD-%BalIne and alkali soils~
=
ALDUYLV, M.R.
Solonetz soils formed from talus deposits and conditions
pverning their Improvement in Azerbaijan. Izv. AN Azerb.
SSR Ser. biol i mod. nauk no.8:77-85161. (1-ILtA 16:8)
(AZERBAIJAI~-SOLOIWM SOM)
(RLCUWATION OF LUD)
ABDUrEV, M.R.
Significance of diffusion in the migration of salts, Izv,AN
Azarb.SSR.Ser.biol.i med.nauk no.6:49-57 162. (MIRA 15t12)
(MINERALS IN SOIL) (DIFFUSION)
14, F, I
A BDU I%V i
Sol'. ~!ord-'Ltons and tba dAveloptreriL ~;f the i,-,,)t syrtsim Of L&A-tWorts.
Tzv. AN A.-Prb. Sh'411, Ssr, b.~ol, i xr.A.01. riliuk nc,2t69-'.,8 '63.
WIRA I?t5)
ABDUYEVp M.R.
Amounts of vegetative bulk under the conditiona found. in
the western Caspian Lowland of Azerbaijan. Dokl. AN Azerb.
SSR 19 no.5:31-34 163. (MIRA 17:2)
1. Institut pochvovedeniya i agrokhimii AN AzSSR. Pred-
stavleno akademikom AN USSR G.A. Aliyevym.
ABDUYEV, M.R.
Roct spLem of wormwood In thn 1,:wani of 17.,. IN
Aterb. M. Ear. blol. 1 mod. nRuk n~:.~74,5-?4 '6.3.
1 r! p t, " I " 5)
~ B11" M; I :1.R.
Types of the salt prcfile..9 of ~io~lls wJ12, ti.e diluvilal frz.r,-, of
nal,..,,cy in the lowlands of Izv. AN Azexb. SSP. Ser.
biol. nauk no.2t73-80 11.)4.
1 "
\,-..LP.A ~7;10)
,ul)1frx,
Formation and ovaluation o." ~urfnct- :;I. f"..? I
uf Azerbaijan, Izv. -iill A:,(-i-b. fX-r. lJoi. lt"ri.
. .. t
~-.l I 18t7)
ABDUYEVSKAYA, K. A., Cand Chem Sci -- (diss) "Investigation of couiple)r
fluorides and oxalates of germanium." Moscow, 1960. 7 pp; (Academy of
Sciences USSR, Inst of General and Inorganic Chemistry im N. S. Kurna-
kov); 150 copies; price not given; (KL, 17-60, 141)
ABDUZHABAROV. Mk.
Nuriddin's ice cave, Priroda 52 no*4sll5-116 163,
(MIRA 16s4)
1. Samarkandskiy gosudarstvennyy universitet im. Alishem NaLvois
(Zeravshan Range-Ice caves)
ABDUZHABBAROVA, KhJu.
Stratigrapby of Silurian sediments in ths Shurab region. Vop.
gaol. lJzb. no.3238-41 162. (MIRA 16&6)
(Shur-Ob -ftleontology, Stratigraphic)
SIMAKOV, V. N.; ABDUZHALALOV,.4,
Comparative study of the effootiveness of soil claying in the
"dry" and "wet" sands of Leningrad Province. Vast. LGU. 16 no.21,.
121-130 161. (MIRA 14:11)
Uningrad Provinee-Soil fortility)
Clay)
~
ABDUZHAMIL,OVP,,Sh.; AZIMDV, S.A.; CHERNOVA, L.P.; CHERNOVp G.M.; CIIUDAKOVp V.M.
Azimuthal angular distribution of shower particles producted
by cosmic ray particles in a photographic emulsion. Zhur. ekep.
i teor. fiz. 45 no.3WY7-414 S 163. (MMA 16tlO)
1. Inatitut yadernoy fiziki AN Uzbekskoy SSR.
(Photography, Particle track)
(Cosmic rays)
I
ACCESSION NR: AP4042364 S/0056/64/047/001/0024/0029,
AUTHORS: Abduzhamilov, Sh.; Azimov, S. A.1 Chernovas L. P.1 Chernov,
G. M.; Chuld
TITLEt Angular distributions of secondary particles in pN colli-
sions at 24 BeV energy
SOURCE: Zh. eksper. i teor. fiz., v. 47, no. 1, 1964, 24-29
TOPIC TAGS: pion scattering, angular distrLbution, nucleon scat-
tering, dispersion analysis, nuclear emulsion
ABSTRACT: The research was undertaken because asymmetric emission
of particles was observed in nucleon-nucleon collisions at energies
of several hundred BeV (V. V. Guseva et al., Izv. AN SSSR, Ser. fiz..'
v. 26, 549, 1962. N. A. Dobrotin et al., Nuclear physics v. 35, 152,
1962). The statistical method of dispersion analysis (the F test)
is used to check the hypothesis of independent secondary-particle
1/3
ACCESSION NR: AP4042364
emission angles in inelastic pN interactions involving primary pro--
tons of equal energy E and equal numbers n of charged secondary
particles. The experimental values of F for pN interactions at
24 BeV and for 4-9 charged secondary particles conflict with this
hypothesis and indicate nonuniformity of the angular distributions
in the laboratory system. This nonuniformity cannot be accounted
for by momentum conservation in knock-oqcollisions and is associated
with the particle production mechanism in peripheral interactions.
The efficiency of the F-test for determining nonuniform angular dis-,
tribution in the laboratory system was checked by investigating the
random stars cbtained~from a somewhat diffekent model of NN inter-
actions at 300 BeV, by obtaining the spectrum of meson cloud veloci-
ties in the center of mass system and the secondary-particle energy
spectrum in the rest system of the meson cloud. An accelerated on--
track scanning of plates bombarded with 24-BeV protons in the CERN
accelerator has shown that for the stars observed in the emulsion
the most values of F exceed unity, meaning that the emission angleEl
of the secondary particles are not independent at least for some
2/3,
9
ACCESSION NR: AP4042364
values of n. The nonuniformity of the angular distributions is
similar to the asymmetric c.m.s. particle emission observed in NN
collisions at -10 1 eV. The peripheral interactions at E-24 BeV
remains dominant up to a multiplicity n - 9. "The authors are
grateful to W. 0. Lock for collaborating in the acquisition of the
photographic plates exposed in the CERN accolerator." Orig. art.
has; 2 figures and 19 formulas.
ASSOCIATION: Institut yadernoy fiziki Akademii nauk Uzbekskoy SSR
(Institute of Nuclear Physics, Academy of Sciences, Uzbek SSR)
SUBMITTED: 23Jan64 ENCL.- 00
SUB CODEt NP NR REF SOVt 003 OTHERt 001
3/3
ABDIUPIAMILOVp Sh.; AZIMOV, S.A.; CHERNOVA, L.P.; CHERNOV, G.M.;
CHUDAKOV, V.M.
Angular distributions of secondary particles in pN-
collisions at an energy of 24 Bev. Zhur. eksp. i teor.
fiz. 47 no.lt24-29 J1 164. (MIILA M9)
1. Institut yadernoy fisiki AN Uzbekakoy SSH.
I i - . I.; *- ft ~. * I
I 1 1. 1 ~. - In.
I
I
ASSMIATID11i Inatitut rtdernW fiviki " UZBSR (institute of ftclear ice. AN- I I _-
i , ~J, -1 ~ - 7 .
-
1~7 .~y 7r, - RP
T I ,,j
L_z -%i4-b6
ACC
AP6023083 14/y) SOURCE CODE,: UR/0367/66/003/004/0657/0662
AUTHOR: Abduzharriilov, Sh. ; Azirriov, S. A. ; Chernova, L. P.; Chernov, G. M.;
Chudakov, V. M.
ORG: Institute of Nuclear Physics, Academy of Sciences, Uzbek SSR (Institut
yadernoy fiziki akademii nauk uzbekskoy SSR)
TITLE: Coherent interaction of high-etiergy prot nb ~,ith complex nuclei
SOURCE: Yadernaya fizika, v. 3, no. 4, 1966, 657-662
TOPIC TAGS: proton, high energy protin, photoemulsion, nucleon, particle
interaction, proton interaction, inelastic interaction
ABSTRACT: The authors use a method proposed in a previous work [Sh. Abdu-
zhamilov, S. A. Azimov, L. P. Chernova, G. M. Chernov, V. M. Chudakov
ZhETF, 47, 24, 19641 to find and analyze in detail the differences between the
angular distributions of secondar particles in showers formed by high-energy
y
protons and satisfying the necessary selection criteria for pp and pn collisions in
1/2
L 4531b-66
ACC NR,
photoemulsions. These differences are easily explained by the inclusion of
coherent interactions. The method of research is also explained in detail.
Experimental data are presented and discussed. The results are discussed of
processing the showers formed in photoemulsions by protons with 24 gev and
satisfying the necessary criteria of selection of pn collisions. Measurements have
been 'made previously by the authors, the number of particles being n ~~ 4. The
differences found indicate the possible existence of coherent interactions of protons
with complex nuclei among the showers with three and four secondary charged
particles at 10 and 24 gev. The authors also used measurements made at the
Laboratory of High Energies of the Joint Nuclear - Research Ins itp_tV.JQjYqj) during
investigation of inelastic pn interactions of rotons with an energy of 10 gev with
p
free and quasi-free nucleons of the photoemulsion. The authors are grateful to
V. I. Veksler for permission to use the experimental data obtained at the LVE
OlYal, and to M-1- Podgoretskiy for discussions of the work. Orig. art. has:
2 figures, 15 formulas, and I table. [GC]
SUB CODE: 20/ SUBM DATE: 12Mar65/ ORIG REIF: 002/ OTH RE F: 001/
212
ABOUAZIMV, Kh.A.; SMIRNOVA, L.S.; YUNIJSOV, S.7u.
Interconversion of the alkaloids hippeastrine, ungerine and
unsevino, DokI. AN Uz. SSR 21 no.8:24-27 164.
(MlRA 19:1)
1. Institut khimli rantitellnykh veshchestv AN UzSSR.
ADDIXTAI'v', Do'%
Somo restilLs of the study of tho distrihitim of athorosclerosis
nmong different population groups in the AzertGAjan S.S.R.
A-zerb. med. zhur. 42 no. 7Q-8 Jl 165 (,miu 1911)
A
, -F V.I.; S31C1J1-;DRTNSKkYAy ' y
I Z.M.; GAMA, ,:*
AYRAPETYAN, M.T.; AbDULVEVA2 G.A.; TIMOUINA, ki!Dlp A.A.
Catulysts ror oxidation processes of natural gas to forr.
forma3dehyde and methanol. Zhur.prikl.khim. 38 no.3:643-
649 Mr 165, (,),UR-!, 1Q,:U)
1. Submitted Febr. 27, 1963.
ABDMULYKOVA, F.D. - KATSISAN., Ya.N.
P
Treatment of dermatomycosis in Semipalatinsk Province. Zdrav. Kazakh.
21 no.5:9-10 ,61. (141ILk 15:2)
(SEI,IUALATINSK PROVINCE.-DEAMATOMYCUSIS)
ABDYLAYEV, A.A.
TheiTial conditions or semiconductor diodes in a.c.circuits. Izv,vys.
uchob.zav.;prib. 7 no.51W.-150 164. (MIRA 17132)
1. Azerbaydzhanskoy nauchno-issledovateliskiy institut elaktro-
tekhnichesko~y promyshlonnosti. Rekomendovano m-ozhNruzovskoy konlaren-
tsiyey po teplovym rezhlrrmi radAoelektronnykh ustroystv (detaley i
apparatov).
TURUSBJUOV, H.; ABDYLDAYEV, A., red.; ANOKHINI, M.G., tekhn.red.
[Dictionary of physics terminology] Fizikalyk termindardin
sozdugu; doolboor. Slovarl fizicheakikh terminov; proakt.
FruU28, Aked.nauk Kirgizakoi SO. Terminologicheakeia
komisaiia, 1960. 190 p. (MIRA 13:7)
(Physics--Dictionaries)
(Russian language-Dictioneries-Kirghis)
3/003 640,1000/009IN11a0l
IC19Y.054
A,J-Ha,
TITLK. DI *, Plo blo., or Ryd--dy-l- hA
K.1h.-II.., Ity..
TILSIODICAL. T..t.lk Y.Oh.y U. 9. pp. 47-41
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A=OCIATION: Kaba.rdino-541karakly
(K
86174
S/140/60/000/005/001/021
C111/C222
AUTHORt Abdylayev, A.A.
TITLE: The Theory of Flow in a Channel With a Low Triangular Hindrance
at the Ground
PERIODICAL3 Izvestiya vyashikh uchebnykh zavedeniy. Matematika, 1960,
No. 5, PP- 3 - 11
TEXTs In the z - x + iy-plane let OX form the ground of the channel, lot
QP be the free surface, ABD be the hindrance. Let the fluid flow In the
direction of the positive axis (Cf. fi e)
Fig. 1
0
For x oo let the veloolty 0 and tRe depth h be known. For suberitical
velocities, at the right side of the hindrance there appear waves the
amplitude of which depends on the hindrance. By usual arrangements (con-
formal mapping) the author determines the field of velocities and the freo
surface with a consideration of the small terms of first order, and the
Card 1/5
86174
The Theory of Flow in a Channel With a Low 5/140
,/60/000/005/001/021
Triangular Hindrance at the Ground C111/C222
wave resistance with a consideration of the terms of second order. Under
consideration of the fact that the height h I of the hindrance is very small,
for the mapping into the plane of the complex potential w + i the
author uses (according to Wien (Ref. 1)) the formula
(2) As .1 (w_. ) -I- (W-a )_ 2- (w-a ) __3 -
dw 0 1 2 3 1 1 + (w)]
where a, a2 0 a 3 are points of the T -axis corresponding to A,B and D,
+ Ok + 3 h' and fl (w) is given by the boundary con-
2 3 h
ditions
(3) Im (w) w 0 for 0 oo oD
(4) Sl(w) - 0 for tf co O.S \p,4_q
and
(5) Re >) i k In w_a2 + r In w-a 2 + + k+r k - r +
I I w-a w-a 3 w-a 2 w-a1 w-a 3
Card 2/5 +S11(w) 0
/1,
66174
The Theory of Flow in a Channel With a Low S/140/60/000/005/001/021
Triangular Hindrance at the Ground COI/C222
I - 0'-3
f or I+.- q , where k r -V ((5) follows from
C 3
the Bernoulli equation for the free surface). If F - Vcgh > I , then
..CZ(w) is sought by the arrangement
(12) SL(w) - T [ A(A) a xp (i ~ w) + T (A) exp (- i A w )] d~ + A0
where A 0 is a real constant, A(A) is unknown. 1 (A) is conjugate complex to
A(X). It results: Sl(w) - (9 +A) exp(- ~Q) [(k+r)coaX (w-a
or X 0(h) 2
- k cos A(w-a,) - r coa A(w-a 3)] dX , where Q(A) - ~ch Aq - )?shAq . If
F4.1 , then the expression for -CZ(w) is supplemented by the summands
K + B sin \ 0 (w-a 2) + 1) sin ~ O(w-a I) + E sin A O(w-a 3) , where from (4)
Card 3/5
861174
The Theory of Flow in a Channel With a Low 040/60/000/005/001/021
Triangular Hindrance at the Ground C1II/C222
7qk+r)()~ + AO)exp(-. Xoq)
it follows that X - 0 B AO QI(A 0-T
Tk (y + A 0)exp(- q) r (.-.) + AO)exp(- A0q)
D 9 Q,( A ) . Now the free
0 AO 0
0
surface is determkned with the aid of the Bernoulli equation by substituting
dz into
ji
(17) y - h +
and restricting to
resistance for F 41
(35) R - -Tc2
2
Re dz
( dw c
terms with e in the further calculation. For the wave
th? author finds
h I h h
f T ' 72
( Y1
where f in given explicitly.
Card 4/5
66174
The Theory of Flow in a Channel With a Low S/14 60/000/005/001/021
Triangular Hindrance at the Ground C111YC222
The author mentions N. Kochin and K. Chadayeva. There is I figure and
3 referencest 2 Soviet and I German.
ASSOCIATIONs Kabardino-Balkarskiy gosudarstvennyy universitet
(Kabardino-Balkarskaya State University)
SUBMITTEDs October 16, 1958
Card 5/5
USSR / General Problems of Pathology. Transplantation U
of Tissues and Tighue Therapy.
Abs Jour: Ref Zhur-Biol., No 11, 1958, 51576.
Author :__&tMtjdAyev, Ke A.
Inst :Kirgiz ffe-a-ItE-D-e-pl.
Title :The Reaction of the Organism to Tissue Trans-
plants by the Method of Filatov*
Orig Pub: Sov. zdravookhr. Kirgizii, 1956, No 6, 42-46.
Abstract: Rabbit skin, preserved for a peridd of 6 days in
temperatures of 2-500, was inserted under the
skin of the concha auriculae of rabbits. Degen-
erative changes were noted already during the
first days, but no complete destruction was noted
during the course of the experiment; the reticu-
lar layer (-M) of the dermis of the graft sur-
vived. All the epithelial structures, and also
Card 1/2
USSR
CATEGORY t Gonoral Biology. Individivil Ekwolopment.
1"'pan3plantation w-1-1 Union B
ABS. J01M. , 1,,0. 2,1959 No. :~7:11.t7
t RZhBiol.
Ab"MOR Abdy1da7ev, re A*
ij~tblz State Mn,,UcAl Lnst-!1'-.ut,)-
TITLE The 11~roblen of !Llstologieai Changfis of Skin
Implants. A
ORIG. pUD. a1r, Cos. mod. In-ta, lc?5)6, S, V-80
A.--S T Wi C T Pieces of rabbit 3kin, k x b- --n ill Sizo, wi-J. ell
Nvere preaerve~A accordinS to thlo mothod. of
FllatoY at a tempe-r-ature, of -2 - I,:-) for 5 - 0
days .-iero imnlant6d tulder the olin 7)f 1~2
rabbii-:!. 'Nithin tho firtt fi-ra rli4yr, aft or Im-
~Vezlc 003~:,, I(
plantation deepnerativc, chwri~-7,:St -IV,, I
In the epidermis ~md derml- o! 'fie hMn(n-"-
r1ants. On the It - 5th day In some rabbits.,
howe-vor, the apitholilum Jr, oitlacited on
tho edge of the transplant p:,osorvo~- not only
CARD:
Country IUSSR
category I
I
Abn. JoLir t
Author
T ItIc
OrIg Pub.
Abatract bo conplotcl:r Itoratini,-A ill nonxly all of tho
canes, an-I the -apper laycr~i of tho clormis
iintlervbnt, nocro3is. Only the nac-1-ianical layer
of t-no derm.-Is prenonta,~ a norm-n! apnearance,
which, accor-',frrr to th,~ tcuthor's on!nlon nrq be
exp?,t~lnc.,! by tht'.. fact- V-int t1i., colls of tae
),.Ost -~onotrat~.cl it ,.,I ,Is I)-,r
formation of normn)., ~ienso connocti-.,.-i Lisnue.
Tho local ronettol-I of tho hovt to 1, (IIIIIIIIE:
ths~ first fow days vias hy an Jn-
f1tumatory IMIC11tr-ition of' the dor.-nis at t1ho
Card: 3/k
ABDnDAYEV, K.-A.; ARESTOVA, S.T.; MAKOVA, S.y.; ZliARK'IMBAYEVAy A.Zh.
Morphogenesis of experimental h.,Mertennion under high-mountain
conditions. Trudy KirgNOAGE no.2:60-62 165. (MIRA 18:1.1)
1. Iz laboratorii patomorfologii (rukovoditell - kand.med.nauk
K.A.Abcbrldayev) A. patofiziolo ft (rukovoditell - starshiy
nauchnyy sotrudnik M.A.AliyeV5 Kirgizskogo instituta kray-voy
meditsiny AMN SSSR. Nauchnyy konsul'tant - zasluzhennyy deyatell
nauki, prof. B.F.Malyahev.
ABDYLDAYEV, K. A. Cand Mod Sol -- (diss) "Histologioal changes of homoimplants
- ILA e f "."
in the akin or rabbits~snd the reaotion of the hostl~organiwo. to the4*--4hsAZeft;;P
A
Frunze, 1957. 16 pp 22 om. (Kirgit State Mad Inst), 120 oopies. (KL, 13-67, 100)
-4-3-
S/179/60/000/006/019/036
E022/ EJL07
AUTHOR: Abdyldayev, M., (Osh)
TITLE: Investigation Of a Thin Film of Liquid Flowing on a
Three-Dimensional Surface
PERIODICAL* Izvestiya Akademii nauk SSSR,Otdoloniye tekhnicheskikh
nauk, Mckhanika i mashinos troy eniy c, 1960, No. 6,
pp. 120-124
TZ'XT: The investigation of the problem of thin liquid film
on a flat pliNte has been described by F.I. Frankl' (Ref.1).
The present article deals with a similar flow of a thin film over
the surface of an ellipsoid. The author starts by introducing
curvilinear cc-)rdinates x1, x2, which are taken along the lines
of curvature of the surface; the third coordinate X3 = h is
taken along the normal to the surface. The pressure on the free
surface of the liquid is assumed to be atmospheric and
consequently the velocity of the flow w0 is constant and is set
equal to unity. For the limiting case when the thickness of the
film tends to zero, the velocity potential of the flow is
Card 1/3
S/l79/6o/ooo/oo6/oi9/o36
E022/E107
Investigation of a Thin Film of Liquid Flowing on a Three-
Dimensional Surface
introduced which is then employed to express the pressure on the
surface of the ellipsoid in terms of kl and k2, the two
principal curvatures of the surface, and h0 the thickness of
the film (this can be deduced from the continuity equation).
The flow is restricted to the bottom half of the ellipsoid, the
stream of liquid approaching the ellipsoid having a constant
velocity which is perpendicular to the boundary of the bowl and
parallel to the tangential surfaces. Next the elliptic
coordinates X, p, %) are introduced, X and 1L being along
tY-e lines of curvature and for the case considered N) = 0.
The relations between these coordinates and x y z coordinates
are then established and the equations for the Lame"s
coefficients are developed. Since these coefficients grow
indefinitely as X -> a2 and p .. ) b2, new coordinates ~ and
n called pseudo-cartesian are now introduced, which give finite
values for Hk and H-,,. By introducing differential equations
of characteristics, as explained in Ref.4, it becomes apparent
Card 2/3
S/179/6o/ooo/oWol9/036
E022/E107
Investigation of a Thin Film of Liquid Flowing on a Three-
Dimensional Surface
that the stream lines of the flow do not coincide with the
lines of curvature, except along the central line X = a2.
The flow along this central line is then considered at the
end of the paper; the ellipsoid is assumed to have semi-axes
a2:b2:c2 = 3:2:1. The results of the analysis are tabulated.
There are 1 figure, I table and 5 references: Soviet and
I translation from English into Russian.
SUBMITTED: May 5, 1960
Card 3/3
ABDYIDAYETY 14.
SymotrIcal flow of a jet onto a nf revolution. Uch, 7-Ap.
Oah. goo. ped. Jnst.. no.5M..97 163.
Thinly laminated two-dimensional jet flow of a li-quid..
Ibid.%99-107 (MJRA 18,2)
I ABDYlAJV? A.
Activity of the Perseid meteor stream in 1964. Izv. AN
Turk. SSR. Ser. fiz.-tekh. khim. i geol. nauk no.3:113 165.
(MJRA 18;12)
1. Otdel geofiziki i seysmologii AN Turkmenskoy SSR.
Submitted Dec. 10, 1964.
"Mativibrator With 8mleonductor Point-Contact Triode,n by
K. S. Rzhevkin and M. A. Abdyukhanov. Radiotekhnika i Elek-
7Er`onika,~~.. Dic__5~pp ~- M*-
The article describes the analysis of transient processes and the
method Df-engineering calculation of a multivibrator with one point-con-
tact semiconductor triode,, operating in the regime of self-oscillation.
Oscillations close to rectangular in shape are obtained, with pulse amp-
litude at the collector load almost equal to thefeed voltage,
Calculation is based on the principle of solving the reverse problem#
i.e., with the given pulse parameters the elements of the circuit are de-
termined. An equivalent electric circuit is worked out, which greatly
slaplifies the process of calculation.
(64t~~ / J"~A)
rA~
~9
2 09-9-9A5
ATTTHORS:Kaptsove V.N.r Abd34Uchanovv M..A.- and Kashin, A.A'*
TITLE: Applioation.of the Quasi-Linear blethod to the Analysis of a
High Frequency Oscillator Employing a Transistor (Primenaniye
kvazilineywgo metoda k analizu 97sokochastotnogo generatora
na poluprovodnikovom triode)
FERIODICAL'so Radiotekhnika i Blektronikao 19579 Vol.IIt Nr 91
pp. 1170 - 1173 (USSR)
ABSTRAM A simple oscillator circuit containing a parallel RC
network in the emitter and employing a single point-contact
transistor (see Fig ,.1) is considered. The system is assumed
to be operating at a comparatively high frequency so that the
equivalent circuit of the transistor can be represented as an
inductance L T and a negative resistance Rr . It is
assumed that under these conditions the waveform of the
oscillations is sinusoidal .. The circuit can easily be
analysed by determining its RT - f, (u_,, )J., = const I -and
its Lr _~ f2 NO )I a,- coust I where u.)O is the amplitude
of the first harmonic of the transistor input voltage. It is
more convenient, however, to replace the function L, by a
Card 1/3 function CT such that Cr =_l/a?LT . A -set of funbtionB
109-9-945
Application of the Quasi-Linear Method to the Analysis of a High
Frequency Oscillator Employing a Transistor.
and C for various frequenoies was determined for the
1,0,4et poiJ contact'transistor, type ClAy operating at the
emitter ourrent of 0.1 m& and collector voltage of -20 V (see
Fig'.3)'-From these curves it imcasible to determine R and
C 'and the amplitude of the osai ations f6r..a given frequen-
cy, It is-found that CT decreases as a ftinction of the
amplitude (of oscillations) for increasing frequencies while
R. increases with increasing amplitudes. At compaxatively
low frequencies B1. is practically independent of u.0 . It
was also observed that oscillations of the sinnsoidal form
can take place only above certain minimum frequencies,,, fmin
The values of frain are of the order of 15% f0L p where f
is tile cut-off frequency of the transistor'. There are 5
figures and 1 table. There is I Slavic reference.
Card ?/3
109-9-9/15
Application of the Quasi-Linear Method to the Analysis of a High
Frequency Oscillator ftloying a Transistor.
ASSOCIATION: Physics Faculty of the Moscow State University
im. M.V. Lomonosov (Fizicheskiy Fakulftet Moskovskogo Gosu-
darstvennogo Universiteta im'. M.V.Lomonosova).
SUBMITTED: February 200 1957'.
AVAILABLE: Library of Congress.
Card 3/3
1
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ADRYUjJLI~',.*OV: "On the limitii of L,.1licability ol' onall oi,7nal
theory for serodconductint triodes.'' Zcientific Sessic-n Dpavut.-ed-to "Radio
Dayll, May 1958, Trudrezervi-.6at, I:ojcov,,, 9 531,. 77-
Analysis is presented of criteria of the applicability of small signal
theory, obtained by Rittner; a new formulation of the problem is L:iven --nd
a solution of the probler. is obtained in the stationary case and for
slowly varying signals.
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TITLE: Limits of the Applicability of the Sinall-signal
Transistor Theory
PERIODICAL: Radiotelclinika i elehtronilca, 1959, Vol 4, Nr,7,
pp io94 - 1102 (USSR)
ABSTRACT: The theory proposed by W. Shockley (Ref 1) is valid
for small signals and is based on the assumption that the
concentration of the minority carriers injected into the
base of a transistor is much lower than the concentration
of the majority carriers; this is written as PIN d