SCIENTIFIC ABSTRACT ZHDANOVA, M.P. - ZHDANOVA, S.I.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R002064620020-9
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Document Release Date: July 19, 2001
• Sequence Number: 20
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT


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COUNTAY u6sF
CATMORY
APB'. J0TJR- RZBiol., No.
195/, No. a7218
AUTHOR Zhdanova tI. A.
015T.
T V L -'J Commercial Evalm.tion of Principal Varieties
of Apple Trees.
O'iq IG PUB. Sad i ogo.-od, 1957, No 61 38-42
inider the
A33TFUiCT The best varieties of apple trees,
conditions of state faarm "Agronom" in Liretskaya Oblast',
are the fcllcm-ring. Fepin 6hafrannyy, comon ArAtonovka,
KorIchnevcye Folosatoye, Osenneye Polcsatoye., and Ia-
piro-vka.

~;_SUBJECT USSR PHYSICS CARD 1 2 PA
AUTHOR ZDANOVA1. IT. F,
TITLE The Temperature Dependence of Viscosity on Liquified Nitrogen
kith Density-being Constant.
-PERIODICAL Zurn.eksp.i teor.fis,-31, faso. 1v 14-17 (1956)
9 1956 reviewed: 9 1956
The pre-sent work exte nds the investigation of this temperature dependence to a
voluminous range of values of the density of the liquid comprising values rang-
ing from near triple point up to the critical point. As a test object liquid
nitrogen was used, i.e. a simple nonpolar liquid. The systematic and thorough
study of these substances is interesting with respect to the setting up of 4
liquid state'of matter.
Measuring, method and apparatus:~ For these investigations the viscosimeter de-
.7igned by B.I.VERKIN and N.BiRUDENKOf gurn.eksp.i teor.fisq ~LO, 523 (1955) and
produced by.the laboratory for low temperatures of the Physical-Technical In-
stitute of the Academy of Science was used. The viscosity coefficient of the
liquid nitrogen was measured by the relative method. The liquid nitrogen was
distilled before.condensation in the visoosimeter.
Test results are illustrated by means of a diagram. -On this occasion the values
of the visoo,sity.are represented as functions of temperature. According to
VERKIN and RUDENKO the temperature coefficient of the viscosity of kr and X
2
ohanges~ite sign when passing through the density domain near critical
dens ty, which wao.experimentally confirm ed on this occasion.'However, the
character of the temperature dependence of the viscosity of liquid nitrogen

V
Zurn.eksp.i.~teor.fis, 31, faP.C-1,14-17 (1956) CARD 2 2 PA 1322
does not change near critical density, but at about the double value of.critical
density. In liquid nitrogen there.are two domains with different characters of.
thetemporature, dependence..of viscosity. With densities q > 2 Qk (Qk hIere de-
notes the density at, the'.aritical point) its viscosity decreases with rising
te.mpe rature (like in the, case of liquids),, but with Q 4 2 Qk viscosity in-
creases with rising temperature(like in the case of gases. In the case of a
density of Q - 0,60 (q ~j 2 viscosity does not depend on temperature. In a,
Qk
diagram (absciseae-density Qo.ordinates-viscosity 7L,) the family of.viscosity
iso.thermes-is represented.,In the gase of liquid nitrogen all isothermes inter-
seelt at Q 'j. 2 Qk- -At q > .0,6 g/cm-1 e-~ 2Qk it 'a true (with liquid nitrogen).
eU/kt.
that A This exponential law holds good up to temperatures near T
k'
In. the of liquid nitrogen it Istrue that with q < 2 (aT/8T)Q< 0
Qk
..and with q > 2Qk (a'I/aT) > 0. This change of the character of temperature
dependence isprobably due to a ohange of the mechanism of viscosity.
INSTITUTION: State,University of CMOKOV

~~, -I-- ~:-- -- .
Relationship bet;ieen-, the -.qaalit7 and resonance clearness 4
Quartz elements and the-te=brature in the range of 80-770"

ACCESSION NR: AT4026433.
8 -measuring instrwnent or according to a, resonance curve'using a frequency standar4
7
and an audio generator. The: error In the-measurement of fo did not,exceed +1' 10-
measurem~nts'jh-ithe 804 -f auuin-_*iled qu- nt was PROO ---------
OOK a vai artz eleme d in a
massive Copper -cylinder which was lowered Into a Dewar flask with liquid nitrogen. The
-comp ete test methodology Is described in the article. For measurements In the 300-7701C
interval, a quartz bar was fastened by a tungsten wire, about 0. 03 microns in diameter,
In a conventional
box-type holder set in a tube of quartz glass in which a pressure of, ap-
proximately, 10 1075 Mm Of . mercury.was-maintained. Measurements In the 300-770K
interval were conducted for, 28-30 hours and the results in the determination of lo, with
-the heating an cooling of the quartz bar, coincided for the same temperature Within +0. 1
d
cycled The dependence of Q and f0 on the environmental tempera0ze was determined'for
various types ofhatening arrangements and quartz element holders. . -The test conditions
are described in some detail In e text. From the results of the Investigation It follows
I e
that. in a temperature interval orapproximately 80-130K for. bars with a certain typo of
fastening arrangement and 80-200K for bars fastened differently, there are abrupt changes
in Q as a result of the use of silk wires for the binding. As temperature Is lowered from
300 to 80K, the.Q factor generally increases by an average of 2 - 20 times in the 80-110K
region. , For fastening arrangements and electrodes of Identical construction, Q as a
temperature function remains, on the avevage, the same. As the temperature is Increased
Cid ..2/4

III gill] P11.1i 1911 It 109 1 rtlim

z/
-Bodies. B-
Gases.
Ab.* Jour:, Ref~Zhur-Kbimiya., No 5,'1957, 14573
Author
Zhdanova
N. F
t

Title -Liquid Nitrogen
Temperature Dependence of Viscosity of
at Constant Density.

.,Orig.,Pub: Zh. eksperim. i teor.:fizik
1., 1956.. 31), No 1., 14 3.7
-Abstract: Theltemperature.dependence of viscosity of liquid nitro-
gen atIts constant density was inve stigated with a vis-
cositymeter constructed by B. I. Verkin and N. S. Rudenko
(Zh. eksperiment. i
teor. fiziki., 1950, 20, 523). The
.
measurements,were carried.out within the density 5 range.

from
0.38 to 0.86 g per cub. em and the temperature ranEp
from the condensation temperature at a preset density to
.3000K. The viscosity (fluidity) of liquid nitrogen at
istAnt ? proved to be strongly dependent on the tem-
a,cor
perature. At greater than 2 p(ar.),, the temperature
Card 1/2

L 23027..66 Ew(1)Awr(m)/T/-zw(t) IJP(c) JD/AT
ACC NR: AP6"661 SOURCE CODE: IJR/0181/66/003/003/07B8/0791
AUTHORS: Zhdanova, N. G.; Kagan, M. S.; Kalashnikov, S. G.
ORG: Institute of' Radio En aIneerina and Electronics.0_SSaR, Moscow
(Instl~ut raMotekhnixt 1 elektroniki AN 333R)
TITLE: Instability of current and electric domains In compensated
germanium
SOURCE: Fizika tverdogo tela, v. 8, no. 3, 1966, 788-791
TOPIC TAGS: germanium, photoeffect, crystal structure, nemicon-
ductor Impurity I d4t4~,qr_ r~~4-
ABSTRACT: This is a continuation of earlier work (Pbys. Stat. Sol.
v. 11, 411-, 1965) where it was found that uider certain conditions
copper-doped or gold-doped germanium 13 311bject t-) Intense low-
frequency current osclllations:-~/ The present artl(,le deals with the
properties and naEure or tFeFe- oscillations In n--type germanium con-
taining copper with a partially compensated upper level, under defi-
nite illumination conditions, at nitrogen temperatures, and in fields
3
Card __j/

L 23027-66
ACC NR: AP6oo9661
'.Pig. 1. Diagram of optical probe. R
sample, r -- load resistance, S --
slit, D -- modulating disc, 0 --
oscilloscope.
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