SCIENTIFIC ABSTRACT RAKHTSEYENKA, I.N. - RAKIC-MANDIC, G.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R001344110012-4
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: January 3, 2017
• Document Release Date: August 1, 2000
• Sequence Number: 12
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

USSR Forestry. Fnrest Cultures.

Abe Jour Riolcgiya No 18, 1958, No. 82218
Ref Zhur
Author : Rakhteyerilko, I. X~
Inst : In3titute of Biolcgy,.Acad. Sci.'Belorussian SSR
Title : Question of Recognition of Interspecific ard Intra-
~ specific Relationships Among Woody Plants
Orig DA-0 Eyul- In-ta biol. kN PSSR, vyp 2, 1956 (1957), 24-30
Abstract In bdoskovskaya,, Minskaya, and Chkalovelonya Oblast's, in t, h a
Uka-aine, a rAd in Belorussia pure arA,=Ixed cultures were
plazted (l9461 - 1952). Variants of the mixed cultures.
were: oak with zaple, oak with linden,* pina with spruce,
birch and Siberian Peashrub, larch and spruce, larch and
linden, and spruce and-birch. Results of the study
shoved teat growth of the plants accordirA to height,
diameter, and =ass in a majority of the variants of
mixed cultures was ki ignif icant 1y higher than in the pure
Card 1/2
27

USSR/General Biology Evolution. B
Abs Ur Ref Zhur Biol., No
6 1~59, 237C8
Author Rakhtseyenka,, I.N.
Titie Experinental*Study ofInterspecAles and Intraspecies
Correlations Among Arboraccojz Plants.
Orig Pub Izv. Ali BSSR, Sdr.,biol. 1'., 1957, No 4, 55-63
Abstract It.was established that the Srowth~ development) and stabi-
lity to,%infavorableconditions in youth (to 10 years) is
better in mixed cultures than in pure cultures, sLice in
Vie forirzr a rDre favorable~vater a,-A nourishment system
is created, the root systems develop better, and the
roots of separrte varleties.penetrate deeper i;;to the
soil. The influence of arboraceous plants on each other
was most noticeable manifested on the productivity of
eLLItur6s. In,the majority of variations of mixed cultures
30-8% raore of organic mass grew up per unit of platform
Card 1/2
39

(ROMS (BOTANY-))
(PLUITS-WATER REQUIREMENTS)

.11, -..
--J~ . ~ , --

in

i
I - .- --

S/214/62/000/003/002/004
1046/1246
AUTHORS: Gurtovenko, 0. and Rakhubovsky.
TITLE: Filament contrast variation between the center
and the limb on the solar disc
SOURCE: Solnechnyye dannyye no-3, 1962, 56-61
TEXT; Allowin,A' for the limb darkening of the undisturbed
chromosphere, the author obtains. the folloiNing expression for
the luminance of any solar formation as. a function of the angular
distance 0 from thecenter:
If= 0.55.106(Ef/S y erg.cm-2'sec-i.sterad-l
u
where. Ef,RU are luminance of the formation and the undisturbed
~Card 1/3

S/214/62/000/003/002/004
Filament contvtst. V,-Lri.-Lt ion. . . 1046/1246
the drop in filament lumin-nee is somewhat more rapid. 'jince
applicatiot of the ideali-ed-enuation (7) &-ives 7' a
0 _ff=0.8 t
variance with.actual optic,~;l thickness of protuberance in the
H..4, line, the observed luminr~nce.drop near the limb is only par-
tially, if at all, explaine&by the simplified curtain model;
'comprehensive interpret--tion of the If(6in 0 ) curve should
allow for the inhomogeneou3 structureof solar formations. There
V
are
3 figures.
ASSOCIATION: Glavnaya astronomicheskaya observatoriya Akademii
nauk USSR (Plain Astronomical Observatory AS,
UkrSSR)
Card 3/3

ACC N': ARG035296 SOURCE CODE: UR/O 69/66/000/009/0052/0052
AUTHOR: Gurtovenko, E. A. Rakhubovskiy, A. S.
TITLE: Change in solar prominence characteristics during the sunspot cycle,
Part 1. Balmer lines of hydrogen
SOURCE: Ref. zh. Astronomiya, Abs. 9.51.442
REF SOURCE: Solnechnyye dannyye, no. 9. 1965, 49-56
TOPIC TAGS: solar prominence, solar activity, sunspot cycle, astronomic
observatory, hydrogen line
ABSTRACT: An attempt has been made to investigate the behavior of the Balmer
decrement in the solar -prominence spectrum during the sunspot cycle. Spectro-
grams are developed for a number of solar prominences observed in 1957-1964
at the Main Astronomical Observatory, Academy of Sciences, Ukrainian SSR, as
well as at the Kiev University observatory. ' Use was also made of results of
observations, of other authors (1952-1959). It was found that the available data
are not sufficient for Teliable -conclusions. The preliminary results indicated that
1/2
Card UDC: 523.77

----------
L 4 -IJ-P(c)
76c' EED-2/FEC(k)-2/EWT(d)/EWP(1) -4,Pk-4/Pq7
ACCESSION.NR: AT5011619 UR/0000/64/000/000/0463/0467
AUTHOR: Kan, Ya. S.; Krut1ko, Ye. G.; Rakhubovskly, V.
Elements -and digital cow uter circuits based on cryotrons
TITLE. p
i SOURCE: Vsesoyuznoye soveshchanlye p0 magnitnym elementam avtomatild, telemek-
hanild 1zffi-erJLf9Yn-o-y -vycffislitel Magnitnyye elementy
oy te~ 1962.
4--aW5EW0-,f7ere-m--k- , I i vychislitellnoy tekhniki (Magnetic elements of
ie harffld zmeritellnoy
automatic control, remote control, measurement and computer engineering); trudy
soveshchaniya. Klev, Naukova, dumka, 1964, 463-467
TOPIC TAGS: cryotron element, cryotron memory element, logical element, cryotron
summator, digital computer
ABSTRACT: Since cryotrons have a Small BCattering power, are absolutely reliable,
and are long lived, they can compete successfully with other types of elements
elements
utilizedindigital computer. The article describes and discusses 1. memory
tur hys
and matrices (Proc. IRE, N 4, 482, 1956; Low tempera a p ics and chemistry
232); 2. Kirchhoff to semisummator; 3. a combination semisurnmator; 4. a simultaneous
i multiplying device; 5. a displacement recorder; and 6. logical elements. Orig. art. has:
7 figures.
Card 1/2

L 2092-66
ACCEM 9R: AP50232T3 0/6302/65/060/00/0033/0034f
62i.374-328:53T.312.62
AUTHOR Kan, Ya. A(Candidate of physico-mathematics.1 sciences); Rakhubovskty 3
V. A.
TITLE: Multiple-winding cryotron a geheraa-purpose logic element
SOURCE: Avtomatika I priborostroyeniye o 3- 1965, 33-34
n
TOPIC TAGS:: cryogenic circuit, cryotron logic circuit, computer technolojr_i,
:b1
ABSTRACT; If an extra bias winding Is adddd to a.cryo on vith multiple windings$,
~the element may performlogical operations. Depending on the relative direction
and the magnitude of the.control and bias currents, the modified cryotron may per
form OR, EXCLUSIVE OR, AND, NOR, and NAND.operations. The last two are the most
practicable. A 4-bit adder using 3-yinding lead-tin cryotrone was constructed andl
-tested at the -Physicotechnical Institute, Academy*of Sciences UkrSSR01 Adder speed!
was increased by a factor of two over the normal. The cryotrons used had ti e con_~'
m I
stants of 250 psec at an ambient temperature of 3.6K. The bias and control currents
were',250
mamp 20%0 OrIg# irt... has: 3 figures. [BD] i
LASSOCIATION: none
rd

~ ~-. W-4-- 4---, --- -- -- - - V-,iwf ~
il-N.,

- - . -

TOPIC TAGS: voltage converter, cryotron converter, cryotron circuit,
ABSTRACT: A cryotron converter of constant low voltages of the order
variable voltages of the order of 10-2 v is described. Basically, the
-'sists of a cjyotron oscillator and.a cryotron connected in parallel to
the oscillator (see Fig. 1). The converter vas used to determine both
Fig. 1. Cryotron conve
In: I..A cryotron circuit (B)'
I MLLI-
AD
A
I Card 1/2

S1 -9-6-U--'i~d-f~-CoYi.--ifk-[6fiO]676100010011622110222
ACC
NR,
AUTHORs Kan, Ya. S.; RakhubovskIZ, V. Al
ORG. Physicotechnical Institute, AN UkrSSR, Kharkov (Fittko-tekhaij.,
cheskLF -Institut AN Ukr-S-SJ_tT_
ISOUIRCY. Vrtbolry 4. o"Kelp Or IMonts. no. m)('(6 llk-*111
TOP IC 'TAGS tcryolgenic circuit, ammeter, relaxation oscillator
ABSTRACT: ..The relaxation oscillator shown In the figure Is based on
two-wind in% lead-tin cryotralls, The nominal output frequency of th*
age-Illatoy 'is established by the %ate tutiont ktatatuals 7) and may be
varied by the application of.the control current (terminal 14). Since
the contral.current flows through superconducting wires, theosell-
lator may be used as an ammeter for superconducting circuits. The
current t.o'be measured will Change output freqU*nCyLof tile
oscillator by an amount linearly related to the magnitude of the
control (measured) current. The cryotrons used In the circuit have
-4 ohe d L 10-8 h. The sensitivity OIL the Circuit is
an
_LR 10
'Card 1/2 UDC: 5376312.62:621.373.43

AP6007848 4~D

L 3792"'1-(,6
$MOE CODE; UR/ 20 61
!ACC NRi AP6022044 01 0/663/0228/6229
jAUTHOR: Kan, Ya. S.1 Rakhubovsk~y,.V. A;'
1ORG: Physico-Technical Institute, AN UkrStR. 'Kharikov (F1ziko-tekhn1ch#3,3kV "nst-Itilt
IAN U1crSSR)
7
TITLE: Cryotron relaxation oscillator as a7thermomoter-
SOURCE: Pribory i tekhnika eksperimenta, no. 3, 1966, 228-229
1TOPIC TAGS; thermometer cryotron, relaxation oscillator
ABSTRACT: A possibility,,~s demonstrated of using the cryotron relaxation oscillator as,
t
a liquid-He thermometer. As the frequency of a cryotron relaxation oscillator (such
as descrioed by M. L. Cohen et al., Proc. ME, 1960, 9, 1575) operated at a
constant current depends on the ambient temperature, the oscillator can serve as a
low-temperature thermometer. The sensi ivity of such a thermometer proved to be
about 0.0003K/cps in the neighborho=_of 3-5K. A formula is developed for
calculating Lhe 1~quid-He temperature~l;om the observed frequency of the relaxation
Oscillator. Orig. arti has: 2 figures, I formula, and I table. 10311

jACC NRi AP7004264 (A' C'_0_-UR_C_E_ _C__O'DE_
AUTHOR: Kan, Ya. S. (Candidate of phy~'
Milchaylov) 0. S. (Candidate of technicz
l
IORG: none
~TITLE: A model of a cryotron digital c
SOURCE: Mekhanizatstya.i avtomatizatsJ
19-23
TOPIC TAGS: cryogenic computer, comput
ABSTRACT: A small-scale model of a cr~
tezted~at the,Fhysico-technical Institi
UkrSSR. The model contained only esser
metic unit, number memory unit, instruc
junit,,control,.unit,,and an 1/0 unit. 9
/6~6(5/7 1 0 __
__ /04~5_276_6 6-6aild6-91o ~2
UR 3
co-mathematical sciences);
sclences);.Ralkhubovsklyp V. A.
mputer with programmed control
a upravleniya, no. 3,, 1966,
r design
tron computer was built and
e of the Academy of Sciences
ial.blocks such as the arith-
ion memory with machine halt
e model could add, subtract,
wr%?,An in ir1YPei_nn4nt- nntntfnn
Instructions were of the three-address type and the memory un1t was
,random-access. The computer was built using 504 lead-tin wire cryo-~
trons mounted on micarta cards. Three tests lasting 11, 17, and 21:
hours were made during which every 3 hours the machine was stopped
Card 1 /2

I ACC NR. AP7004264
:0-thile liquid helium was added. No malfunctions vrere encountered.
]Certain simple algorithms were tried out using eight 9-bit instructions.1i
It -was established that multiplication required 3 sec and subtraction
5 sec of machine time; clock period was therefore made equal to 6 sec,
IThe authors state that the test conditions were not optimal In the
!sense of maximum speed, and propose certain modifications which.would
,bring the computing speed intothe me acycle clock-frequency range.
I 9~
10rig, art. has: 2 figures. JWA~811
[BD]
SUB CODE: 091 SUBM DATE: none/ ORIG REF: 004/ OTH RZPz 001
2h
UDC: 681.142.6:
.33
!0,62

ACC NRI AP6028814 SOURCE CODE: UR/0113/66/000/008/0004/0007
~,AUTHOR.' Rakhubovskiy, Yu. S.
ORG. Noril'skiy Mining and Metallurgical Combine im. A. P. Zavenyagin (Noril'skly
gorno-metallurgicheskly kombinat)
TITLEt Curability of V-type autom9tive diesel engines operating under the conditions
of the Far North
SOURCE: Avtomobil'nays promyshlennost'. no.,8,,1966, 4-7
I TOPIC TAGS: diesel engine, vehicle engineering, mechanical engineering vehicle
engine, m- chanical failure, durability / h3 Tatra il.LS~ diesel D12A diesel4rh
engine, 14
ABSTRACT: Based on statistical data on the operation of the 176 D12A liquid-cooled,
and the 43 Tatra 111S air-cooled automotive diesel engines in the Far North during
the years 1958-1965, their durability and their mathematical expectancy
service life vere investigated. The average durability of both types of engines
did not differ significantly; however, the maximum-service expectancy of the Tatra
111S engine proved much higher than that of the D12A engine. Service life depended
on temperature variations of the surrounding air, increasing at higher temperatures
and vice versa. Since the undercooling of engines during cold weather results in
increased corrosion, their durability is determined by the corrosion rate cf their
cylinder-piston group.. By stabilizing the optimum thermal conditions during the
cold period. the durabili.ty of half of the diesels in operation can be increased
Card 1 2 IMC: 621,431,73o620-169 1

ACC N.R; AP7006773 s o L;; ~ C j. C C) 1)
AU74HOR: Voytorjca D. Voytovich
Rakhubov.-kiy, V. A. (iliev-Kharlkov)
Khar'kov); Fakbubovs'kyy, A.
ORG none
TITLE: Analysis ofa cryotron memory circuit with many stable states
SOURCE: Avtomatyk a. no. 6, 1966, 65-69
TOPIC TAGS: memory access technique, electromagnetic memory,-digital system, digital
analog converter.
s the number of pulses,fed to its in-,
.ABSTRACT: A cryotron memory.cell which date-rmine
nt.persisting in it, was designed (see Fig. 1). in Fig-
put by the value of the curr-.
1, K, and K2 are working cryotrons; K3 is the indicating cryotron; L, and L2 are induc~-
tances of arms abcd and r-efd, respectively (-it is set that L, =L2 =L ); L3:is the
--inductance of armlakld; R, and R2 are resistivities of cryotron tubes K, and 7.2 in
.~norynal state (it is.set that R, = R2 = R). *The transistory processes were analyzed,
f
and thadepandence of.the number of states from the mesh current 180), when 0 0.81,
pi(o= 150 ma, and 7 x 3.60K was calculated and tabulated; here,
or
L3

A C C N R -. AP7006773
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J% [JUthunja. E.1 ; '100ITLA. F. (UR?BL); KkLIASTE, A. (LTR2!CW)
Chir activity, plann, and auggontione. Radio
F 160. 1).5)
1. Ilachallni), reopublikanskogo radio)-luba. Dobravollnogn
obshchostva sodeyotviya. armii, aviataii i flotu Hutonakoy SSR (f or
Rakhuoya). 2. Prednedatell soveta reepublilamskogo rudinklubu
Dobrovollnogo obsbehestva sodeystviya, armii, uviatuii i flotu
Estonskoy SSR (for Toomela). 3. Chlen tektBii korotkikli valn i
ul'tra korotkikh voln refipublikanskogo rudiokluba Dcbrovol'nogo
obahchestva andoystviyu armii. avintaii i flotu Estonakay SSR
(for Kallante).
(Radio etations, Shortwavo)

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R i-r
BORTS, M.G.; )MOPANIP, M.T.; SYTVIK, G.K. [deceasedl; RAKHVALOY. N.S.[decensed]

FrIl
m

MONYAYHIN, I.P.; RIPROFFANO'l, B.F.; PAJKJIVALGVA _.G.A.; TSUKUBLIIIA, K.N.

ini
L 35982-66 -A-ITA.0 E7VIP(l) IJP(C) GG/13B,
ACC NR: AP6008517 SdORCE CODE: Uic/dZ80/66/000 0041/0045
AUT14OR: Rakhvaltskiy, V. M. (Moscow)
ORG, None
TITLE: Acceleration of the simulation process in the evaluation of the effective-
ness and the reliability of complex s stems by the statistical test method.
I
SOURCE: AN SSSR. Izvestiya.-, Tekhnicheskaya kibernetika, no. 1. 1966, 41-45
TOPIC TAGS: digital computer, computer application, computer almulation.
system reliability
ABSTRACT* The author defines complex.system-s as those in which the failure of
individual devices usually does not, cause the total failureof the entire system,
but merely a reduction in the effectiveness of the systern. It is known that the
accuracy of the results obtained by means of the statistical simulation method is
determined by the number of realizations of the random process. The use of the
method proposed in this article makes it possible to exclude from the statistical
simulation all the realizations which correspond to complete working order of all
the components in a system, thus substantially accelerating the simulation proce5so
The method proposed makes It possible to make full use of the advantages of the
method if statistical simulation as well as the analytical method, and substantially
Card 1/z

t~; I NP-,P ; 143i'*.'
L 3'1-~62-66
AP6008517
SUB CODE: 09, 14/ SUBM DATE: 27AIar65/ ORIG REF: 003/ OTH REF: 000
cmd 2/2

r-:'! -Pc ? Vol 131F Pediatrics Al:j~. ~0
I I A I I
2,103. REHABILITATION AFTER POLIOMYELITIS. A REVIEW OF THE EPI-
DEMIC IN YUGOSLAVIA IN 1954 (Russian text) - R a k I d C. . P a a n t I c
S. and M a r e n I d S. - MED. GLAS. 1958, 3
Results of orthopaedic treatment of 196 ambulatory and 315 hospitalized con-
valencents are reported. After one year total recovery was obtained in 30%, good
functional capacity in 50% and no amelioration In 20%.
Todorovid Belgrade (L, 7.8,19)
~A
ow

27
53
boln-ca za c,- -,v p- ra z u C) r- an o-
tuborlmlonk "Barjtrall, Be op -,irl o fir rlna!,.I~ o
Padulovicjo

r-

lc ! I tin, 1 -1 U + jko ,RI ZVA N
!,:I TRO I ii'll Yj C
Specito CjrM,-.o!,f.-dic Hospital
"Our in 01c Tro,itnont of Prl.,imry 0aijootla '"umorall
Bolj,;r-,idj, 3rpski Lo r 3 t vo Vol 94, NO 6, 196, 6
575-586
Abotr.,3ct: In 14 out oil -1)4 cs s os of boni--n ossaou3 tumors the ro a a
p pe r o d
a4iffi cu I t ic a I in di f.'u r,---IL ia I d., a i-no, ris wi th r a ga rd to tuberculosis -of'
the joints and bone.9 *nd such wj3 also th,~ case -in more than 1/3 01' tho le~
ptionts with InnliFn. 'Oq.,30GUq tumors. Gcnsequontly, it is of !_reit i~zpor.nnce
ovorod e-,3 onrly 9.u po3jible an! :3objocted
that the primary tu.-mrs bo disc
to an nns tomi Cal -PC '.,-,Oloricgl axamin3tiOn. . All patients with benipi tumors
were subj(:tct#.id to surFical treqtment and 19 of these cases involved
onteoplastic ruconutructivns. A t.'rroo-year long follow-up ;;Wdy sillowo
all tho cozos exiijbited zqtisfactory rcicovery. in thu cases of malign tumors
involving 10 cvpu111!3tions.ar0 ~ atiplicrticnd of radiotheropoutical m~ansq t;je
rooulta. worn ~ruch lo3a nAtiofactoryl 22.2fo died in,the hosipitaij anti .16.6% dii
f 0110wi Ng re lac 3e. from the hoa pi 1.a 1 Vne .9 r ticl a ~ con to ins X-ra y
Pho to rraphs oll,numarcus cases, statistic-qlly organized -data, and aztensive
deacripticn of individual enses. There are 6 Yugoslnv 4nd-11 Wastern
manuscript recailrcd, 5 11 66
roferonces. r
45

YUGOSLAVIA
_jaaQ_,, Dragisa Dr, BU1JBIC, Savo, Dr; Child Surgical'Departin
ment,
Faculti'Z? ffiel6fnie Universit of Belp
Uy grade (Head: RAJIC, Srdja,
Dr, Chief Physician~ (Decja hirursica klinika 1-Jedicinskog fakul-
teta Univerziteta u Deogradu)q Belgrade.
IlLesions of the Achilles Tendon in Children"
~Belgrade, Srpold arhiv za celokupno lekarstvo, Vol 93, No 10,
1965, pp 969-971
Abstract rAuthors' English summarFy: The article deals vrith the
authors' "fen-year.experience in t e treatment of lesions of the
e
Achilles tendon in eight children at the Child Surgical Depart-
ment in Belgrade. Seven children had an open lesion of the
Achilles tendon caused by sharp tools. In all children the
outside wound was small, without plan tar. flexion , vrithout con-
figuration of the Achilles tendon, and with a sensitive req=se
to palpation above the wound. Surgical treatment was carried
out within 16 hours of the lesion. The primary suture of the
tendon with immobilization of the foot in an equinus position
for six weeks vras performed; then followed rehabilitation
from 5 to 30 days. Results of the treatment were excellents
The authors recomend in all suspected cases the enlargment of
the wound in the fom of a, 117,11, and the exploration.of the
tendon. 1 Yugoslavi 6 USSR,.8 Western references. Manuscript

YUCOSLAVIA
Ilihailo IIOJOVIC, Ljubisav ?MKIC _and Djcrdje Derartment
of rbysiolo'"y of lle~icalraculty-of University (7izioloski inStitUL
Nedicinskag falulteta Univerziteta),Ollead (Urravnik) Prof Dr 1111ilitin
1!=IKOVIC, Belnrade.
'uscles.1'
"Effect of Vative on Chronaxia of Let,
Belgrade, Arhiv za Celotuvno Leltars Vol 91, V o1,, Jan 63-'
rp
Abstract Crnglish summary modified]: Chronaxy studies in 30 ballet
e and after strencous
dancing students agedaverage 16&7/12 befor
rractice period of 2 hours: chronaxy o,f m. fibularis longus and m.
tibialis anterior increased by average 0.34 sigma in all, back to
normal in 15 minutes. Table; 3 Sovieti 2 Uestern,3 Yugoslav ref's.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

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Sohdar S. Mari
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Mid
!~'2004RM) Aug.
Varlow awdlt&ry Instruments of a 1.5-Mey Cockcroft-

eluding servosynt
'Walton accelerator are described, in em
jor boom daMilastion, magnetic analyzer, and current
Notegrator. (I.T.WJ

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L 04135-67 ARG/f~.5-2/'FP,0/E*AP"c / VtP(h) DEA',j _.
ACC NR: AP6020195 SOURCE CODE: Y
Mooq/65AW606/0611/0019
i.AUTIIOR: je2qorov!S, Zoran (Lt. Col.);,Raldc. Slobodan (Lt. Col)
ORG: none
TITLE: The planning and carrying out of squadron tactical exercises of fighter -interceptors
in the territorial air defense system
SOURCE: Vazduhoplovni glasnik, no. 6, 1965, 611-619
TOPIC TAGS: air defense system. air force tactic, air force training, pilot training
ABSTRACT: In view 'of the development of nuclear weapons carried by aircraft, it became of
paramount Importance that the defense forces Intercept and destroy In the air all enemy air-
craft. To achieve the necessary degree of readiness, the tactical exercises must be carried
out on a large scale Involving entire squadrons. Consequently. the authors describe in con-
siderable detail how such exercises should be planned, how the squadron should prepare for i
assignments, tactical flight dynamics, and the cooperation of fighter aircraftwith surface-to-
air missiles. R Is of special Importance that tasks and exercises In general be adjusted to the
level of training.of the pilots and the commanding personnel. Orig. art. has; 3 figures.
SUB CODE.- 0,5 15/ SUBM DATE: none

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YUGOSLAVIA
RAKIC-MANDIC, G. fAffiliation not given.]
"The Vitamin-C System in Brassica oleracea G. and Primula officinalis."
Belgrade, Arhiv za -L~imp I t!, Vol 12, No 6, 1963; pp 529-534.
- -- - - - LJ-
Abst-ract Study to determine the physiological role of ascorbic and
dehydroascorbic acids in these two plants at various stages of the growth
cycle. The constancy of the ascorbic acid content In the plant, and the
constancy of the ratio between the two acids during the resting period
in the root tissues in particular would tend to indicate that these two
acids have adefinite metabolic role rather than merel7 that of sugar
precursors. Three graphs; Four Soviet and 12 Western references.,