SCIENTIFIC ABSTRACT FR:KOSTRY*GIN, V.A. TO:KOSTROVA, R.A.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R000825300053-6
• Release Decision: RIP
• Original Classification: U
• Document Page Count: 1
• Document Creation Date: November 2, 2016
• Sequence Number: 53
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTR

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� ~ ACCESSION NR: AR3046988~
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�`~ SOURCE: RZh. F'.Zika, Abs. 8E34$ '.
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AUTHOR: Kostry*gin, 'V. A � - 1 ,.~` ~~1
~ � -..p. ~ ~~ .~.v..v.eeF-FMrm~.'aJ*4.9W1~'n~ebW+ti b�:.. 'I
_ on o~ ale try. breakd,~ta~af~,i .~X~-. o~ ~.~~g' ~...
TITLE: Investigati ~---- � ,_._ _ .. -- �'
crystals c~ alkali halrr~e-~sa'fi.t~y ~ l
~; ... ,_. _. - -- ` 'v1 '~ do kristallov, Riga, 1962, '
f+.-~~ ~ ~ CITED SOURCE: Sb. ~'iZ � s ichelochnoga~loi . ,
~' 365-369 '
'~ TOPIC TAGS: electric breakdown alkali ha:~ide single crystal ,
"~ thin 7,ayer ionization, avalanche-st:reame~; mechanism
,..
'TRANSLATION: An experimental investa.gation was made of the electric -
' breakdown o~ single crystals o~ NaCI; I{C1, KBr~ snecKmens ~exe made
== (l.50)� in a Meld close to homogeneous. Th p
to break down using rectangular voltage pulses with a front 5 x 10's
Cara , i~3

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AUTIiORS : Vorob' yev, A .A . , Vorob' yev, O.A . , Kostry~in~ ~,_..~_._ ~Tc:~:~:.;,`!
TS'I~I,E: ThQ mwcl~anism of c~lactr.ic brc~~~kdown of thin layers off'
solid dielectric r
pE~IODICAL: Alcademiya nauk SSSR. Tzvestiya. Otdeleniy~;
tekhn~.cheskikh nauk. Energetil~cA i avtamatiika, no.4,
1962, 66-68
3 cm and less) specimens of salt
~.CEXT : The breakdt~wn o f thin (10'
teas bean explained by the elect ran a.vAlan~~he theory due ' o
F, Seitz (Phys, Rev. , v.7f~, 19 f9, 1'~7b) acid by what'� is here
termed the multiple avalanche strearcier mecha.~.i~tn. Ire the
avalanche streamer r~athaci of discharge with thic:cnesses greater
than 10'~ cm, the positivo spac� chz~rgo = v..~~;a.~i.rc lectrongbrextdisnoff interd
to study the relationship between the breakdown voltage and delayst
time of the dielectric a,~ a function of thickness. In air, when
Pd ~i 1000-1j00 mtn Hg.cm and the overvoltage is several percent,
streamer discharge occurs a~d at atmos~~heric pressures the delay
time is of the order of 10 sec.
pd ~ 200 mm Hg� cm the delay time is Aof'ltheaordereofu10~5wsec.
This increase in delay time is duo to a change in the mechanism of
breakdown. At low values of pd, Town.eend~E3 electron avalanche
Gard 1/y
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TEXT: Investigations carried at; Tomskiy politekhnicheskiy institut
('I,omsk Yol technic Sngtitute} have shown that the discharges in ~rasey
and sol id dit;lectrics t'ol.l ow analcgou:; l.s~.ws� G A, Vorob'yev has already
(Ref 7 pointed out the discharge delayl~ in thin layers of a dielectric
resulting i'roar tY'ie steep .rise of the our;^ent, Z'he delay tirrle increases
wi�~h decreasing thickness of the layero :[n the present work, experimental.
results on the diacha.r.ge delays i.n thin Iingle c.ryst~,~ls of rock salt are
given Firf3t the preparation of. t~,he sample is de3c.r.ibed i.n shorts Fig, t
shows a 120 times enl.a.rged micraphotogra~~h of s. gample~ At the thrones`
point, the sample has a thickness of 2t)~A, `fhe gampl.es were tlxposed to
rectangular. pulses whose front ht~d a duration c: f' ~~ 1O.~.~3ec., The Lre~s,kdoem
Card 1~3
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JARZSRSKKA9 Danuta~ .~~5..-'X'~V~t~A~..Itt~r~-.;.._KUBICiXA.p Kxystyna; LffiK7EWIC~9 Wanda;
LAugW~K;t~ ~yg~munt; POLA~t~tAg Irma
Further observations on the prevention of relapeea of rheumatic disease
in chi~,drez. Reumatolag~.a Polska no.3gl77~1~~. E60�
1. ~ Pc3ni Reumatologicana~ Zzstgtutu Reumatolagio~nega w Warsaawie
Dyrektor ~nstytutua prof. Cdr med. S. Reacher Z Po~:Fadni Reumato-
~.ogicsne,~ Pray TI Kl.inice Ghorob D~ieoi AM w Warszawie p.o. Kierou-
nika ~1.3nik~.a prof� dr mad, ~. Lerran,fisx~Wo~narawska
(RHEUMATIC PAVER prev & cantral.)
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i~nt t3earin~; l3aw Material in !'gland (~eronoamoyr~ syr`ye v
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1'I;RTODICAL: Priroda, 1~)~8, Nr 5~ pp ,E;7-"j0 (USSR)
ABSTRACT� Sulfides, among them mai~,ily the sulf.i.de ores of zinc ana
lefid, were formerly the princiF>al ra~N mat�ri.al. f'or the !,x�o:..
auction of sulphuric acid in Penland., They are found in the
Triassic limestones of the nart:h and east borderlands and
in the surroundings of t11~ UppEIr4Silesian hard-coal basin:,
Pyrites are found in the Swletokrzyskie hlountain~l in con-
nection with Devonian lirne>3tanes~ tiow~.ver3 rno7�e pyrites
had to be importedo Due to the development of a cheaaical
industry in Poland and tlae increasing; demands for sulphuric
acid, gypsum and cr