SCIENTIFIC ABSTRACT BREKHOV, A. M. - BREKHOVSKIKH, L. M.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R000206820020-1
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Document Release Date: June 9, 2000
• Sequence Number: 20
• Publication Date: December 31, 1967
• Content Type: SCIENCEAB

BRE191OV., A. M.
Solution of navigation problems in the establishment and search
of self-contained stations with the use of electronic computers.
Trudy AANII 254:163-179 163.
(MIRA 17:11)

8/1.37/62/000/001/146/237
A006/A101
AUTHORSt Severdenko, V.P., Brekhov, K.V.
TITM: ?%chanical propertles of 9 Xb (9KhS) steel at high temperatures
FERIODICALi Referativnyy zhurnal. Metallurgiya, no. 1; 1962, 39, abstract U265
("Dokl. AN BSW , 1961, v. 5. no. 6, 3N - *) -
TEXTt An investigation was made of 9W steel containing in.%% C 0.86;
Cr 1.2; Si 1.3; mn o.42; Ni 0.15; 8 0.02~; P 0.039. The steel possesses a
sufficient duatility reserve at 950 - 1,1000C. qXhS steel should not be pressure-
worked at Q500C, since a drop of ductility was observed at.these temperatures.
Considering thp high Si content, causing intensified-scale formation, the.steel
should be preheated in deoxidizing atmosphere prior to being worked.
T. Rumyantseva
[Abstraotert,s notes Complete translation]
Card 1/1

YERSHOV, V.N., kand.tekbn.nauk; STEPANOV, YU.V., kand.tekhn.nauk; PAVLLNKOl
G.V., inzh.; BREKIIOV) A.E., in-.h.
Expanding the field of stable performance of the axial compressor
stage. Teploenergetika 9 no.2:41-44 F '62. (MIRA 15-2)
1. KharIkovskiy aviatsionnyy institut. *
(compressors)

34657
S/096/62/000/002/001/008
C~?6' ~) /.2 0 E194/E435
AUTHORS,, Yershov, V.N., Candidate of Technical Sciences,
Stepanov, Yu.V~, Candidate of Technical Sciences,
Pavlenko, G.V,, Engineer, Zj;ahk9_,,._AF,, Engineer
,y
TITLE~ Extending the region of stable operation of an axial
compressor stage
PERIODICAL: Teploenergetika, no.2, 1962, 41-44
TEXT, A typical form of instability in axial compressors
operating at low speeds is the formation of rotating zones of
breakaway of fluid from the blades. These zones of breakaway
usually begin only at the blade roots or tips but increase as the
amount of throttling is increased and, at very low rates offlow;
may cover the entire blade length. In multi.-stage axial L/
compre5Sors running below the rated speed, critical angles of
incidence occur mainly on the first stages or on stages immediately
beyond air bleeding points, Total breakaway may occur on a few -
stages but may sometimes occur on all with great loss of efficiency.
The trouble can be overcome by increasing the flow through the early
stages but this is wasteful. Attention to blade design cannot
Card l/ 3

s/o96/62/000/002/001/oo8
Extending the region of stable E194/E435
give much improvement, Theoretical investigations of the stability
of an axially symmetrical flow indicate that when stability is lost,
flow may take one of two formss with the formation of rotating
zones of breakaway; or with an axially symmetrical annular zene
of breakaway, or annular swirl, associated with the occurrence of
a counter flow. The relative stabilities of these two kinds of
flow vary according to circumstances butg by promoting annular
swirl,' it is in principle possible to prevent completely the
formation of rotating zones of breakaway. Tests were made with
compressor stages in which various measures had been taken to
promote annular swirl, namely; cutting annular slots in the casing
just ahead of and just beyond the tips of the blades, installing
an annular step or ridge in the casing just in front of the ring of
blades~ also, blowing air into an annular slat located just ahead
of the blades, All of these measures were found to extend the
zone of stable operation; however, the most convenient and
structurally simple is that of blowing air through an annular slot,
With this stage, tested when air was blown in at a head two or
three times greater than that of the stage, the boundary of stable
Card 2/3

S/096/62/000/002/001/008
Extending the region of stable ... E194/E435
operation was displaced by 25 to 30% in the direction of lower
outputs and the maximum energy of pulsation in the zone of
breakaway was reduced by 40%. The amount of air blown in was about
2.5% of the minimum flow necessary to ensure stable operation,
Additional tests have shown that the affect of blowing in air in
this way differs for the different stages, There are 6 figures and
3 Soviet-bloo references.
ASSOCIATION., Khar2kovskiy aviatsionnyy institut
(Kharlkov Aviation Instituto) Vf/
Card-3/3

BREKHOV, A.M.
Approximation of the vector current field. Trudy AVII 264;
67-70 163. (MnIA 17:6)

Pf-EKHOV, .1-1/_ 4,~7h.
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SAZONOV, Anatoliy Yefimovich, doktor tekhn. nauk; FILIPPOV,
Yuriy Markovich, kand. tokhn. nauk. Prininali
uchastiye: BREKHOV,--A.14.., inzh.; ANTONOV, Yu.G., kand.
tekhn. nauk,-' DENI -N., kand. tekhn. nauk; MESHKOV,
0.1., red.
[Mathematical principles of the automation of ship naviga-
tion] Matematicheakie osnovy avtomatizatsii sudovozhdeniia.
Moskva, Izd-vo "Transport," 1964. 175 p. (MIRA 17:5)

-BREKHQj.-A.M.. inzh.
Analyzing the errors of calculated celestial body altitudes
with the use of electronic computers. Sudovozhdenie n0.4:
50-57 1644- 04P-o'! 18-3)

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ibft- of --;gross~ errors -~slipg li~ ~~ing observations., should analyze.
st should evaluate the -inasured
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for liltering -out a lips ~. in
Alzarithms
observations -are ba
sed on the tudeht And Gauss distributions and the printiple
that errors of low probability are impassIble (deviations from the- tnsar, of pro-
bability of 0.003, or for Student type -probability of 0.05 as compared with
Crubb's ta7blea, atored in the machine). An algorithm is also presentea for
filtering out slips, using the general'dispersion, and one for analyzing syste-
matic error shifts usirLg Markovis criterion, and with 0.05 as the probability
for rejection, as well as an altorithm for calculating confidence intervals
using Fisher's method. Exmpler arra given in each ease. The yrogr~=- for pro-
babilistic analysis of observational data is then given in operational form.
-Orig. arts has: 3Z formular-Is',
CIMONf-: Atkiiche%Afy -i I n-t- institute'
~d`*tich~skiy ti-authno"Issledovat-iX A4
Leni rad (A-retie band -Antaratic -Saiiiitific~- a ch. institu
U9 Re ear
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LIVSHITS, S.Ye.;_BREKPOV, A.M.; SMIRNOVA, T.I.
Problems of coding initial information in network planning
and administration. Trudy LIEI no.55:89-95 165.
(MIRA 18:11)

-IMPOVp I., delegat XIII sllyezda.professionallnykh soyuzov
Plant cbmmittee, family and school. Sov. profsoiuzy 19 no.19:
20-21 0 163- (MI" 1611l)
1. Predsedatell Kalininskogo oblastnogo soveta professionallnykh
soyuzov~

ACC NRi' AR6027515 ----SOURCE -CODE:- UR/ 01-37/66/000/004/1083/1083
AMR: Severdenko, V. P.; Brekhov. K. B.
TITLE: Redistribution of carbides in high speed steel as a result of hot extrusion
I -1- 1
2 41559
ISOURCE: Ref. zh. Metallurgiya,~ Abs
REF SOURCE: Sb. Metallovedeniye i tem. obrabotka met. Minsk, Nauka i tekhnika, 1965
189-92
TAGS: high speed steel, tool steel, metal extrusion / RIO steel
ISLATION: The dependence between the amount of deformation during hot ex-ousion
the change in the degree of carbide inhcmogeneity in R18 steel was established. Hoti
lusion was done at 11500C with the ust of a graphitcUoil lubricant.4 During hot ey-
;ion of R18 steel, the greatest decrease in tFe numEer was found n the center of
stock while the lowest was in the surface layers. The carbide number of a pro-
ied part could be regulated by the degree of deformation.* V. Olenicheva.
CODE: 11,13
UDC: 669.15.018.252.3
Card 1/1

SEVERDENKO, V.P.; BREKHOVp
Extrusion of high-speed steel. Dokl. AN BSSR 7 no.lOs681-683
0 163, (MIRA 16:11)
1. Fiziko-tekhnicheskiy institut AN BSSR.

_~ACC-N
AP6032511 SOURCE CODE: YJR/0413/66/000/017/0083/0083
INVENTOR: Brekhov, R. S.
'ORG; none
TITLE: String-type instrument for voltage measurement, Class 42, No. 185532
[announced by the Moscow Aviation Institute imeni SergoOrdzhonikifte (Moskovskiy
aviatzionnyy institut im. Sergo Ordzhonikidze))
SOURCE: Izobreteniya, promyshlennyye obraztsy, tovarnyye znaki, no. 17, 1966,
83
TOPIC TAGS: alternating voltage, voltmeter, electrode, frequency meter, voltage
measurement
ABSTRACT: The proposed string-type instrument for voltage measurements contair
a string which is fixed on the part to be investigated, a device for exciting string
oscillations and a measuring instrument with a frequency meter. To simplify the
design and broaden the range of effective temperature, the device for exciting string
oscillations is designed in the form of a flat electrode placed parallel to the string.
The electrode is connected to the alternating voltage generator and the constant
Card 1 / 2 UDC: 531.782#539.3

Atc NRI AP6032511
voltage source so as to produce electrostatic forces between the electrode and the
,-string. The measuring instrument is designed in the form of a second flat electrode
plased in parallel to the string and forming with it a capacitance connected to the
vibrometer. The latter converts capacitance oscillations corresponding to the
natural frequency of string oscillations and, consequently, to the voltage of the part
.to be measured, into an alternating voltage which is measured by the frequency
meter.- Orig. art. has: 1 figure.' [Translation]
Fig.- 1. String-type voltmeter.
3
I-Flat electrode; 2-alternating
2 voltage generator; 3-constant
voltage source; 4-second flat
electrode; 5--frequency meter.
SUB CODE: 09/ SU13M DATE: '02Sep65/-.
L card 2/ 2

BRMOT, T.M.
Drug sickness caused by the use of PAS. Sov.med. 23 t0-10-126-127
jMIM 13:2)
0 159.
(SALIGTLIC ACID toxicolo&7)

BREMOV) T. M. (Major of the Mddi;-cal 3ervice)
"Diseases of the Stomach in Connection with a Hernia at the Linea Alba,'
-Voyenno-Meditsin:skiy Zhurnal, No. 10, October 1961

. 1.._3RWOVj- -T.M.j -mayor med.sluzhby
Diseases of the stomach in connection with hernias of the white
line of the abdomen., Voen.-med.zhur. no.10288 0 161.
(MIRA 15:5)
(STOMACH-DISEASES) (HERNIA)

-BR44py~_V.
Machine for flame cleaning of hot metal. HTO 3 no,,4..62 Ap 161.
(MM 1-40)
1. Vedushchiy inzhootdola glavnogo konstruktora liovo-Kramatorskogo
mashinostroitellno zavodas
rRolling (Metalwork))

CHUBINIDZE, B.N., insh.;,--MEXHOV9 inzh.
Purification of bydrogen frold milfur cOmPowd,9- Uasl--shir-
prom* 28 nol2x24-26 D 062, (KIRA 16:1)
1. Saratovskiy zhirovoy kombinatt
(Gases--Parification) (Hydrogenation)

BREKHOV, V.M.v inth.1 SERGI M , Yu.G., inah.
Magnetic registers using ferromagnetic tape, Elek. stao 36 no.11:
86-87 N 165. (KIRA 18:10)

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BRMOV,V.V.
Raising medium and large molding machine efficiency. Lit.proizv.
no.9:12-13 S'55. (MMA 8:12)
(Holding machines)

BRXMV* V.V.-;, LEVOMM, P.N.
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Younaing large iron eastings in molds usb%6 fp"rXing sand
mixtures and liquid glass. Lit.proizv.no.Zisupplement:iii&-116
156. (Iron ftjiding) (MLRA 9:7)

- BREKHOV, V.Y,.; NALWNKO, V.R.; KUTASOV, R.F.
Molding the nave of a gear wheel according to a segnental pattern.
Lit. proizv. no. 5:43-44 My 161. (MIRA 14:5)
(Molding (Founding))

BREKHOV.. V.V.; IW.JMNKOP V.R.
Casting diaphragms with hollow vanes. Lit.proizv.
N 161.
(Iron founding) (Steam turbines)
no.11:7-9
U-MU 14:10)

.AR~KIiMT,.V.V., :Lnzh.; NAV-R1,010, V.R., inzh.; KUTASMI, R.F., _Jnzh.
Casting blanks for the mani-facture of radial-axial hydraulic
turbine rotor blades without allowance for machining. LA,
proizvo no.12:39-40 D 165. (MlWt 18.,12)

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ACd NRI
AP61003950 SOURCE CODE: UR/0374/65/000/005/0142/0144
AUTHOM Brekhova, V. D. Leningrad)
........... .
ORG: none
TITLE: Determination of temperature dependence of the initial and delayed deformatio4
In certain crystalline polymers Unde compression
SOURCE: Mekhanika polimerov, nb. 5, 1965. 142-144
TAGS: polyiner, crysta lline polymer, polyethylene, polytetra-fltioroethylene,
-deformation rate, temperature*dependence,-compressive strength, material deformation
,ABSTRACT: Deformation properties of the fo'l n$ two crystalline polymers: a low
density polyethylene d polytetrafluoroeth =1ene ere investigated under static com-
0
pression conditions at different temperatures. otal compression deformation was
Ponsidered to exist as the result-of initial and delayed deformation. It was also
found that the rate of the increased delayed deformation was. highest in the region.of
0 transiti*n-_._---.,Orig. art-. has: 5 figures. (Based on author's abstract)
II/__1'~1;B?4 DATE::,-22Apr65/_ ORIG IMF: 006/ OTH REF: 008/
Cmd 1/1 UDC: 678:541.6.678.5

L 24005-& -W(m)AWP(j)/T/ET0(3i)~6 up(e) W/M
ACC NRo IAF5=951 SOURCE GODS: UR/0374/65/00()/004/0043/0046
AIJTHOR:l Brekhova,,V. D. (Leningrad)
ORG: none
TITIE: Study of the Poisson -ratio, during the compression of some crystalline
sunder constant loading
SOURCE: 't)4ekhanika polimarovp no. 4~p 1965# 43-46
TOPIC TAGS: crystalline polymer, polytetrafluoroethylenep polyethylene plastic,
hardness
-ABSTRACT: Using the hardneBs-gauge and.electric-contact-tensiometer'system of
P. ve MelentlyeV (Leningradskaya Prou7shlemosti, 1961, 11) as a testing apparatus,
the author Apvestigated the Poiaeon ratip/ o two crystalline polymers,, low density
92jm&byjqn9v and pq etrafluoroethylener d bunder contant loading,
It,was found that the compression.time and temperature increase exert an effect on.
the magnitude of the Poisson ratio (with the exception of-the transition region
e). Orig. art. has* :4 figures
'around 19 degrees for polytetrafluoroethylon EJPRS]
SUBM DATEv ORIG REF: 002 OTH REF:
SUB CODEt 3-1 20 05Mar65 003
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BREKHOVSKIKH, L. M.
1944.
"Propagation of Waves of A Bend over Plates," Zhur. Tekh- Fiz., 14, No. 9,
Physical Inst. im. P. N. Lebedev, AS SSSR

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,.ith deptho ,( *,urre or r"Mer r to A diotAnce
equitl lit a quortc r ti( a %x%viencih.
The ra~r if A .,Umr attached it) A militt sulitneig"I
)it 111i'l,herr iq okwuns"I I"iefly. I'm 4" riptu"I 0
i-iifimw~lry exicritnents mv 1: 45 bc]"w,

Propagation of gowbd Waves la a Uotdd Layer
bgwm Two Abwbim lWl4lMm-[,, M. Llic"..,
,,v~kikh (('. R. 4rid ~Sit. loji.
VM---43r--4-fl-PP 3-17 4~1. In EnghQ,) TfiN,wti.
.41 mnaly~i- ,f a pmblem In wund wave l1wimo.
IWn mhk h - may tint) 3VpItcmIi-m in gr,,phvw,
(Pmpagafom thtough an oil IAI-efl, in Arrhilet imal
al~"uxtlr-x and in hydroa~ustica
4,und through the tea)".

on UK FWM o1 Radio Wam MAw"s Two Semi-
cmduct"W ... ifill"'11~1tiv ".14.1it'jillgi surlsm.
I , x 14 1 1 It.-Mm, A I kh tilf,11 'l'ad
the "'.61 1, rmill4l In If
III 111', 41.1. 1 mI,,IImW 000 1 log
at 1,111fily I&VINIII Ilw
."lluall l1w W4111'I'lly .11 IIw Ill'Al.1 it,.
W-SlIkIll III IW IlAt Al III Iml '1114-1 (I-Ig 9). Ulw
1, IlIkIN lo I hat 0.1 Ihv
Ow .111JAit. of 111v umth
alylu'l la Ill, 1.0. 1
III,- IIIAM ICIIIII. At.-
life VIA%- Sit OW WIV111MIlAtt' .11,
A%ul 1,114-
it" rmth',,
11111.
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I Ill 61, 1. 1 1 Iw
%.I-t%
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Ihm th'. Altell"Atmol Iml." III At"S...,
J .411'.1 1... 1111,14" 1. 0 I.mll

USSR/Radio 'Waves - Propagation
Sound waves
may 1946
"Propagation of Sound and Radio Waves in layers,"
L. M. I~rekhovskykh, lk, pp
"Izv Ak Nauk Ser Fiz" Vol X3 No 5/6
Setting of the partial differential equations
descriptive of propagation. Solution and graph.
Values of characteristic coefficients of propaga-
tim, In series and as inequalities.
12M

BM-K-11Vv-SKM, L.
"On the Forced Oscillations of an Infinite Plate in Contact vith Water,"
zhur. Tekh. Fiz., 16, No. 8, 1946.
Physics Inst. im. P. N. Lebedev, AS SSSR.

BREKHOVSKIY, L. III.
"Theory of Propagation of Sound and Radio Waves in Strata."
Sub 23 Apr 47, Phyaics..Inst imeni P. N. Lebedev, Acad Sci USSR
Dissertations presented for degrees in science and engineering
in Moscow in 1947.
SO: Sun. No. 457, 18 Apr 55

NOT .1947.
Bound - Fields
!Umits to ~ftiob Approximate Methods Can Be Utilized
iwrield of Acoustics,," L. Brekhovskikh, Pbyslos'Ma'
Otituto Imeni P. N. Lebedev, Academy of Soiences'.'of
the USSR, 4 pp
'~1)6k Ak Nauk" Vol J.Yu Ro 4
MUcusses three questions frequently met In accuotion
powtic4arly In exchitectural acoustics: 1) -'problem ~
Of*the sound field (in a room) vhich Is generaLli'the
result of superposition ozi a direct spherical vav ,a
Ji4',~txnlimlted near of vaves, vhich are reflected,
AM 3ST93
Nov 194T.
r~M thel VV.118 cxf the room; 2) problem vhere the!J1 jw_;
4~~es of the ref2ecting *a1la are covered vith d.If-'
f4went types of Material- and 3) study, of acoustlos 1
various naterials whi ch vill lead to: a iddesVipat
~.,~~st~nding of IMedance. SubmItte& by Aoademicigv~
Vavilov, 12 Msv 1947.
I%ft93

BREKHOVSKIKH~ L. M.
2536o
Pole Prelomlo-Mlennbkh Elektromagnitnykh Voln V Zadache 0 Tochechnom
IzIuchatele I-Soderzhanie Chasti Doklada Na Konforentsii Vees*oyuz Nauch
Soveta Po Radiofizike I Radiotekhnike Pri Otd-Nii Fiz-Matem. Nauch.
An SSSR 12 Dek. 1947 G I Izvestiya Akad. Nauk. SSSR, Seriya Fiz., 1948,
No 3: a 322-34-Biblnogr: 13 Nazv,
SO: LETOPIS NO. 30, 1948

LJF
7
X%
A_~
B"hoval* of rehicte"d,*1 wiirdet
r resultiAgg integmis may be evzAuateed iii
m-WO-
t, AdI
b
ti
6i
i
l
a~
n
s
zveat
em P
m
Mr
y
Im
j
Ak-ad
"Nauk bar
P 17 LZ
'42:1-j% '
a asympt tuttic expansion of 'b--
ko>1 b, caking th 6
case
.
.
,
(Ruse
tan) flankel funct-n-, ard then applying the niethod of iteep--st

W the point source be a
-vertict] dipole, placed
at th~ -dled d' in order to prevent
desc*,nt A 4det. L-cussion is needed

helikht zo with respect to:a horizontal phne separating two &a pa& of ;Ptegration from passing through a pole of the

'
'
media of wave numbers ka and h
mpectively (k/k4=23 . F-,
integrand during its deformation. In every case, if E,
'
'
.
The He= vector for this dipole may be written in th
te the componews of thw electaic fie!d at a point of
in W4
d
th0ower medium and E,, E, the coinponents in the upper
ef-, medium for tht same r and s=O, one finds the ficd1owing
relations-
the receiver bring placed at the height j and at the dis-
tanm R# from the dipole and r frPm its amis. -BY ramris of where tan x- r,1r. Two identical -1crmuk3 may be proved.
the integm] representation of the manka! f1mcf1an one s m" f, sho
or a horizontal dipole. The mine relations are - U 0
I
that (1) is the ituperposition of IJ-ne waves having diffe~rexit: _. ~ -
remain valid ~also in the casse I ti I - co, whzz e a pole of the
angles of iriddwiia on the limititig b to * Ian u
orizon MAt'-
_p e, 14
'
* ' approaches the stationary mint of the path
. Litegrand
PlArik then each term in--the integr2l by
its,co g steepest descent. G. ToraW di Francia (F.-orence)
Fr=el reflectior, or refraction co-effic-MS t
one .6hWhi-s--the:
reflected and retracted fields, R, and n. respectively.,it
. j t
follows that 11 -11#+R1 ' the
M
eihimandil;43 An

Owtal
ris tic

6j

. . ... ..
7 - :
;j

Apr 1948
:'Sound Reflection
Radio Waves - Reflection
*26flootlon of Spherical Waves From a Plane Boundary
Sit*eem~'Tvo Medlaw L. Prekhovaldl+, Phys Inot, koad
MM, 17* VP
"Mur Takh 71z" Vol XVIII, No 4
Studios both sovnd and electrccagnetio waves. Case of
61satromagmetic vaves has been exhaustively studied,
ILawwar, mly for strictly defined. boundaries. Do-
acrIbes setting up the axperlment, and the primary re-
sults toward ao3n 1cm of the problm,, optical,geowetry
metA*& for W*3.lxl=u7 approxivatica, Us so-called
Olateralg vares, and tAe reflectlan of veves at *a
approaching the angles or fun Internal reflectim.
Submitted 17 Nov 1947. Submitted for publication In
"Journal of 14wrimental and Theoretical Physicaw
30-Tul 1947.
Also: Per Ab. #64, 19 Aug 48
Also: Zhur. Tekh. Piz., 18, No. 4, 1948.
owl'

USM/Pb7slas A];r 1948
Bound - Reflection
Radio Waves - Reflection,
OThe Reflection of Spherical Waves Irron 'Thin'
3amidary La%ers," L. Brekhovaklkh, FAys Inst, Acad-
Sol USM, 9-t pp
'"Skur Takh 71z" vol xvni, No 4
StUdles the field of point em1ttar of sound or
radio waves on a plane boundary layer when the
Properties of the media on both sides of the bound-
ary are closely related to me another. Obtained
orlUmlon those,natisfactim will xvNIt In
substitutlon of the boundar7 by trwafer jayer.4
BUbmitted 17 Nor 1947. Submitted to ajaurn&j Of
306rimenta.1 and 7heoratical phygIcgo 9LOOt 1947.
64T96.

BRW,IDVSMli, L. M.
r-& LJ/ Uy 17 7
US,
a Propagation-
Sound Speed
"Propagation of Sound in a Liquid layer of a
Constant Gradient of Propagation Speed," L. M.
Bre'l-hovskikh, Phys Inst imeni P. N. Lebedev,
Mad Sci 'USSR, 3 PP
"Dok Ak lqauk SSW vol ixii, No 4
Discusses several problems conneotecl vith
propagation of sound in deep seas. ConBiders In-
oreaae.,irL.GoniV;ispeoXvitb,~cle-ptb, occlirring'because
.0f,jacroaso .1pahwWw6tatic.~ pressure. ~-,'-Sulzltted
Acad. S. 1 1.. %wi :~27 Tia. 48.
IOT
33/49T99-1

B;E1K,.`OV11~11.EH, L.114. Plypic-s-* wm-,~S
RADIO 1.11AVES
Now Mot,'-.od of So,vin- 1.1-A- Problem Heiarding the rield of Point iiadiatoi, in a
Laminated Non-homu-.-c~'eous Medium," L.1,11. Berkhovskikh, Plys Inst im~ni P.N. Lebedev,
Acad Sci USSR, 12SP
111:n Ak, Nau1c S:-'R, Ser Fi-11. Vol 13, No It. Jul/ Ang h9.
Pollif, radiator of sDnic or radio waves is assumed to radiate spherical waves
ex-dressible in (:)mplex notation thus: (1/d) . exp i (kq-wt), where R is the dist:-nce
from the radiat6r. Problem is sloved for tha case of a field to a radiator in a
homogeneous layer bound -)y -,7wo arbireary laminated senispaces. Ret~llod of
"steepest descent" is t en used to fine the discrete spectrum a;,d t~e lateral, or
11mart-inal" waves.
Submitted 26 Aug 49.

ussrt/physics - waves Sep/Oct 49
Radio Waves
"The Field of a Point Radiator in a Laminar-
,Nonhomogeneous Hedium, " L. M. Brekhovskikh,
?h,ys Inst imeni Lebedev, Aced Sci USSR, 40 pp
Iz Ak Nauk SSSRI Ser Fiz" Vol XIII, No 5
E-4
Basic results of this work were presented at
26 Sep 49 session of Dept of Physicomata Sci,
Acad Sci USSR, and were printed in "Iz Ak
Nauk SSSR, Ser Piz" Vol XIII, No 4,.p 4o9, 1949.
biscusses: setting.up of thez3roblem. involving
ihe diel~etrical constant e( and the spherical
wave (1/R) - exp (ikR), which is finally set
in an.integral form,; propagation of a wave in
a homogeneous layer bound by two planes z1, and.
Z2, with a radiator and receiver d1sposed within;
scheme for determining the phase of a wave for
sx different number of reflections from the
boundaries of a layer; four cases corresponding
to waves with the least number of reflections
from the boundaries; scheme for determining the
phases of various waves composing the complete
field in the lower half -space; complex contour
integrals for solving the integral equation;
lateral waves; the discrete spectrum; interpre.-
ion of results by geometrical optics; limits
S
tt0aPP-"4-"-J-u.Y - u"-L=cu-- zu0=tt_ea__
29 Ct and 28 Apr 1949.
152MOi

Oil q of#*
Is .14 ly 111 In it it u 33 It v
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a It
tit -P Jr, vstq*!~
t!11 - ;
Ar
iA4.232 - %MNA W9. Vivid of a pnint fmrre T 134,11,11i'm In a Ai
M211. Fkm of a paw %m.. .1 m4fmm In a I I . i I.
wrillum. I . Aimitte Limit 11-,
1*
V-70,4. sx%It. 3) its .11 114.40) A (194,11 In 0
ititithim. Ruilolt-l'"
1110 nult"If dwml; that the utfuilon oblitirvej it, tho
f"4 pall 1% t-4 jwnvlk~aj Ut. ml.tinly mlimble. fqr thl-c (4 ll,-~ "Atiu-1vor- Ntilmitilm .11%1 Ilk- li'll b1m.11 -00
fifeallmd pnaticnvj~ 11;e I'llettral ulmvk. are d-lailml -m-tirilipg In wil ill **A: 00
*.K'tk-Al UMV1, is tcNokAA Joh, Idjow noil i, the first or Ific foll"CILM - OlW% r. Atilt thc ilowl
4,01W inflimll*w"n w4m, If%, 1,11tct . Of IhC rotor C NP I "IlOV 111C liAll it 4 Ilk goo
follitlliv III. y,, are Inmr.1nity. fire rh%wal Ovit.toci 0 Ole
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er IrKlih-tkv, Itic in,%,-pAj , dAmlilng proc-N h oko diflI Ill the 1w, (."C', %jr,
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1 1. the III'lt C'.11C. In the ',*NAMVJ. 3bUill'(1011 Ill ft WAW4f --490
'Pe"lilla the "diu,100" and "cil"lloolion V6111v
Wdsunwl tit Ific problem A wltopreltict"lir ilmil"ii in the brisiollat% fa%v, At ;t qv.il 41,,C,ituv from Oki 0
of lhr I-Meral umiv% by a incilloci tit the author pub.. mnoce tlc fKid Ii ck-ft-mmkA by If-- Ica,l
lidmi cAllict 11:1,. Am/. Mitit, S,"R. Sir. 1):., 11111, %-A%,c of the t1kcrtIc %jwvfn,o,. m Irv the Imcral uatc%;
.j)I dolf tit list, iiiittfe. at %flort difamittA. howt,%cf. 14twi ('I llw %I[,. to 0
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4-L-011111, Ill (Ollinmi I* Im, pwavitcal cxmopk~, the Livic %Mmirn IwAlmoc in"vil,1111 loo. ~tvctCal. th,
%%will tit %%hkh repil-wpi, thl, :;Iw oI I,t.,tw AI%r. lateral %V-A%r% ha%v onh. a ncr1ir,.tL- illomme, I 1k. '00
Wife with waill of 111.01C llik kIR11" ficid in the laver, Im, a t(-lj4k,.$lvd 1,11,1fco,mv 900
.,go
1,111will"? mlmr. to l1w ........ .. I
llw ll;~Fctc qwtilloc 11W f .. Im.1.1c W Pill, 1 .1.14
Ivinut %if mvwpito mhkh tire 0
Pillow dod olakv I'lli'll-al
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BREKHOVSK-MI, L. M.
On the Propagation of Sound in ar. Underwater Sound Channel
DoX Akad iiawc, 66, 1949, 2, 157-16o
Also: ibid. 69, No. 2
N lvul~~ Axx 44(07J 30 PrIn J-,k

Js awe a Is a stice
-pill fm M"Ln
A 191, ."-so. -00
000 PROCtSM AW Peoptist.4t ------- _*o
410
00 A 3XU2 .90
000 am. 7W ddrown of am" b a ank now
0* ond "eiL ::go
MIA, =t
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'004 It b" be" mWP (Abur. 2M (1W)J this tW
_K9W dmm" dwwim or -of
90'1 to ~~.XLhv czwmm -00
Qf an Oftj#*~~P"Md Cb~ O"UMPtion -00
W" symb ".Owe k a jlvow ralistion Wwren
Of W40mcity ad dephl 1W h at im In pwkv. 4W a
dOW OPFCON111101hM b NOW INS& Me rOWU
am in Pmd me I "I Wm CXPWbmnt
Impel '41gAbmr.& The work oribrelo wmkcn
is aftind on 00 P vxh Won as
few dWW of mWW hm With &Unm WA the relmlion too
low"
are mm canddierecl. Pee Abstr. X" (I%X)I.
W. "WINES
see
x9e
ago
ASO-SLA JBITAMIRWAL LIMATIMIS CLASVIFICATION is**
7=777777777 7 slam ".Aqv
as .4, !0-41 Ofill, OW Ok. At, *9
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a 61 a 0 0 1 W a 0 a
u I. I M is . . 0
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B R - A
~. SOCIVSKIKII, L.',I.
VIal 3150 1-1-1274 6
Dr. Phys 'Math Sci L.M. Brekthovskil:h for his works "Theory of th;_7 PrDpaEation of Sznuld
and Racio Waves in Layers," "Field of Deffraction of ~- iecturoma,--neUc Waves in the
Pro le.-,i of the Point Emitter," and "Reflection )f Spheric;a Waves from a Plane :)oundary
I shared the N.D. Papaleksi Prize (20,000nables) with Lr Phys
between two 14odia'I
.lath Sci S.Z. Belenlkilys

1. BRMOVSKIY, L. 1.I.
2. ussR (6oo)
4. Physics and Mathematics
7. Sound Waves in Air.1.4ater, and Solids, V. A. Krasillnikov.
('moscow-Leningrad, State Technical Press, 1951). Reviewed by
L. M. BrekhovskV, Sov. Kniga, No. 4, 1952.
9. AjbL Report U-3081, 16 Jan 1953, Unclassified.

FIIMKII.~~VSMKHJ L. I%
"Theory of Complete lnternal Roflection," L, pa-per pr~-,-septcd at th~-
u, i r . I- ad
- TZ held I , -3 Feb 51.
of thi Acoustics Coz !--,siori, AS USE in Lcn lf~r, 1
li-2161o.l 25 Feb 52.

IVANOV, I.D. [translator]; BR OVSKIKH, L.M., red.; GESSEN, L.V., red.;
NIKIFOROVA, A.N.,'
(Propagation of Bound in the ocean. TranBlations of periodical
articles frork Hngliahl Rasprostranenie zvuka v okeane; abornik
statei. Pod red. L.H.Brekhovskikh. Koskva, Izd-vo inostr.lit-ry,
1951. 214 p. (MIRA 12:5)
(Underwater acoustics)

BRE11111OVSKIIIII L. M.
PIl. IhMl
~Wnlpbyskas.. UOt ftf3ketion Aug 51
'Theory of Displacement of Rays at ftU Intiinai
Reflectionot'Spherical Wave," L. M. Brekhovskildi~
PhYS InStL imeni Lebedev) Acad Sai USSR
Zhur Tekh Fiz" Vol XXIj No 8, pp 874-880
Author discusses and e2qC~ains Wviously found
peculiIarities ("Zhur'Tekh Fiz" 18 455.1 1948
and "Uspekh Fiz Nauk" 38, 1'L 1949~ Of field near
&zkgle of,full reflectionLon basis of concepts of
radiation. Reproves in particular that the
L reflected vave has a cavstic cux-ve. Sutmitted
3X, 1~
Javi9l,

C in
L M. -The diffin So" sOrmhutus for 4; 111L Follo of tho incident ;,nt I tttC4
4) e
ad. -Na Ik ~51) 79,
uneven surface. ~ V04,11. =YA -
"INTS with it general rvilertion codfirkrit, the It ii of
53.5- 58q ovsly.,- WS)"41all) applit-ability of this 1witri-dore Irl" s1hXifi-cally CXcloded from
The plolill-12) is Illat 01 ;1 plalle wave illtillolt. uplin lite investioti(m. Fnr exp f~kR)/R lie substitutes ~%. cWble

A it
trrilm fif plattv %%,;t%
-vs. Af I ur 6ome formal numipu-
laliims tht-r- rromh--m v-,prv~sion for Vas it doublem-,6es of

forimil
a
prim i-dure is givrn for delcrmaning
the
mp illitilt.s.of Ow"w S-1g,ciali Vases (l.iSm-Svlljl)rl.ud
it ge olle
411

. V, Alkin
son (lbattlo).
1~p
:w

4,

............

I PROF L. 11.
USSR/'Plrjsics - Ultrasonic Waves
"ov 52
"A Procedure for Determining Absorption of Ultrasonci Waves in Metals," N. F.
Otpushchennikov
"Zh-Ltr Teldi FIz" Vol. 22, No 11, pp 1867-1870
Proposes a new nethod for detg the absorption of ultrasonic waves in metAls. Presents
data on subject absorption in the following substances: zinc, lead, tin, 6rosin, and
u
methyhaetacrylate. Measureinents were conducted for the frea ency 3.5.Kio cps*
Acknowledges aid of N. N. Andreyev, Corr Mem, Acad Sci USSR, and Prof L. M. Brekhovskikh.
Cites related works of S. Ya. Sokolov, B. E. Korlin, I. Livshits, G. Pralkhomovskiy,
14. A. Iskovich.
FA 236TIO4

BREKHOVSKIKH, L. M.
Focusing of Sound Waves in a Nonhomogeneous Medium. A. Zh. fr2, p 124, 1952.

USSR/Physice - Wave Diffraction Sep 52
U%
:a "Diffraction of Waves on an Uneven Surface.
Part II. Applications of the General Theory,"
L.M. Brekhovskikh, Phys Inst imeni Lebedev, Acad
Sci USSR
"Zhur Eksper i Teoret Fiz" Vol 23, No 3,
pp 289-~.104
A number of concrete cases of,dif-fxaction of sonic
and electromagnetic waves on ripple surfaces of
various type are analyzed. Finite size of the area
on which diffraction occurs is tv%]- into account . In,
the xase where, uneve=ess is sindsoidet, 'results
'Ire obtained by 2.different methods and compared..
Te. Zezyukina processed computation and constructed
diagrams for the article. Received 21 May 52.
-r& no. (649: J-4L).
227T85

U=/Pbysies - Wave Diffraction Sep 52
"Diffraction of Waves on an Uneven Surface.-Part
1. General Theory," L.M. Brekhov6kikh, Phys Inst
imeni Lebedev, Acad Sel USSR
"Zhur Eksper t Teoret Fiz" Vol 23, No 3,
pp 275-288
Suggests approx method for computing the diffrac-
tion of Bonic and elecromagnetic waves on an un-
even surface. States that this method may be
applied in cases..vhere* at all surface points the
radius of curvature is sufficiently large in com-
parison vith wave length. As for the rest,
227T84
author notes.- the type of uneveness and the phys
properties of the medium bound by the uneven our-
face may be arbitrary. Received 21 VAY 52.
CPR -,r#0
227M

'USSR ice Wave Prcpagation- 1 Apr 52
/Pbys
IfExten din g, the Boun dar ies of the Applicability of the
~Ray,Theorem in Investigations of the Propagation of
WeLv4s in Laminar Media," L. M. Brekhovskikh, 1. D.
Ivanov
Dok Ak Nauk SSSR" Vol 83, No 4, pp 545-548
.Cons iders the problem concerning the complete reflec.
.tion of a wave radiated by a point radiator A from
InTnInar-nonhomogeneous half space z>O. Shows tbot
~theray method of computing the field at the'poi-,~.
.1ying in.a homogeneous medium can be extended without
requiring that the gradient be necessarily small)~ a's
234T9T
~in previous cases. Expresses the forrmila for the
, spherical reflected vave. Submitted 6 Feb 52 by Acad
.M. A. Leontovich.
CPA -r~,
234T97
211

1. BREKHOVSKIYt L. H.
2. USSR (600)
.4. Sound Waves
7. One instant of sound propagation in a heterogenous medium. Dokl. AN SSSR 87 no. 5 1
Considers a sonic field in a laminar-nonhomogeneous medium where
the velocity of sound depends on coordinate z thuss c - c0 . tl - 2a(z-h))-4 for
z between h and infinity; velocity remains invariable in planes perpendicular to z.
Subjeo case of h - 0 is of interest in investigating propogation of sound inthe
sea. Author finds only the attentation of the sonic field with distance.
'Presented by Acad M.A.Leontovich 20 Oct 52 254TIO3
9. MO List of RusAiAn Accession Library of Congress,, March 1953. Unclassified.

BREKHOVSKnM, L. M. Aug. ;Y./
USSR/Mysics, - 'Wave Reflection
"Ref3ection of Bounaed Wsve Beams and Pulses." L. M. Brelrbovski1kh
Usp Fis Nauk, Vol 50, No. 4, pp 539-576
Analyzes reflection of bounded bean and palees from a plane boundary. Particularly studies
case where incident Angle approaches full internal reflection, which produces phenomena.
in variance with reflection of plane waves, such as displacement of beams along biundary
or distortion of rulse. Describes results of reflection from unhomogeneous layers.
263 T 103

BREmVSKIKH.,,,~U.-.doktor fisiko-matematicheskikh nauk; BYAWYA, T.Y.;
I-WN, I.D., kandidat fiziko-matematicheakikh nauk,- ISAKOVICH,
M.A., doktor f12iko-matematiebookikh nailki redakt6r-- ROIEDTICH.
N.Ya., reaaktor; RUMIM, L.D., doktor tekhniche .91dkb nauk,
redaktor: TARTAKOVSKIY, B.D., 'tandidat takhnichaskikh nauk.
GUROV, K.P., redaktor; GR&OVA, Y'm;,.D., tekhaicheakiy redaktor.
[Scientific literature on acoustics during the years 1945-19491
Nauchnaia literatura po akustike za 1945-1949 gg. Koskva, 1955.
276 p. W4RA 8:12)
1. Akademiya nauk SSSR. Komissiya po akustike. 2. Chlen-korres-
pondent AN SSSR (for Brekhovskikh)
(Bibliography-Sound)

BiFAHOVKIKH, L. M.
"Present State of the Theory of propagation of 3oun4 "daves".
Acoustic In3titute, Academy of Sciences US6R
A rerort delivered at a conference on Eleetro-acoustics held by the
Acoustic CoTi-nission, the Acoustic Institute of the Acade-my of Sciences USIR, and the
Kiev Order of Lenin lolytechnic Inst., from 1-5 Jul~v 1955 in Kiev.
SO: Sum 728, 28 Nov 1955.

BREKHOVSKnM, L. M.
"Focusing of Sound Waves in Inhomogeneous Media," paper presented
at the Second International Congress on Afatics, Cambridge, Mass., 17-23 Jun 56.
Acoustical Institute of the Academy of Sciences of the USSR, Moscow, USSR.

VAR",
-Akust-. -Z,-- 1 (1955) an,
gened xi (R
Let the velodty of for 0 z_:Sh'
propagation be c.,)
e=cp+'?aI2-h)3-' for 4k.A, -whem a is ?. small Para-
Awl
-meer.'vlez-M'!M~~U
t p
--first vaor (h, kixd; Niuk-SSSR. Sti. Tiz~. 13 (1049))
-605-514 515- `S34 MR 11 -:563-, is app ed
to the prob un of attenuat of the Meld 4ue to leakage
of energy.-fr6na th6 h~omc 1 to
geneous ayer
ed'
r
A IUM (j>_h) fOT tht~~ Wtl~ above
vellocity-gmdient. -Estirnates".of the Cle DveT %1icb
the sound he'dIs deterifilned the no.-MR)
princivaly by
tbat is the distaivm over --which the layer is
effective as a sound cbannel; are Aven., R.Y.Goss.

a . -dist SOV/124-58-1-25Z
On Tsunami Phenomena and Observations on Long ance Propagation (cont.)
explosions. Several examples are used to illustrate the great accuracy of the data
provided by that service.
N. N. Moiseyev
Card 2/2

SOV/124-58-1-L'52
Yranslation from: Referativnyy zhurnal, Mekhanika, 1958, Nr 1, p 29 (USSR)
AUTHOR: Brekhovskikh L. M.
TITLE: On Tsunami Phenomena and Observations an Long-distance Propaga-
tion of Sound in the Ocean (0 tsunami i nablyudeniyakh nad sverkhdall-
nim rasprostraneniyem zvuka v okeane)
PERIODICAL: Byul. Soveta po seysmol. AN SSSR, 1956, Nr 2, pp 8- 11
ABSTRACT: A review-type paper devoted to the descrip tio-h of-the phenomenon
of long-distance sound propagation under water which was first dis-
covered by Rozenberg in 1946 and received an explanation in researches
performed by Brekhovskikh. The existence of a sonic duct at a sub-
stantial depth beneath the ocean surface along which virtually no dis-
sipation of sonic waves is observed enables one to predict the approach
of a tsunami, since the sonic propagation is considerably faster than
that of the gravitational waves. A qualitative explanation of the forma-
tion of sonic ducts is provided. Data are given on the American
"Sofar" service, consisting of a number of hydroacoustic observa-
tion posts capable of recording the various noises obtaining in the
Card 1/Z ocean and, in particular, those emanating from underwater

/;~' 'r.; r- A-1-1 r,
Category : USSR/AcOU8tiC8 Sound vibrations and waves J-2
Abs Jour : Ref Zhur - Fizika, No 1, 1957 No 2105
Autbor :.BrCLhMkiXb, L.M.
Inst : Acoustics Institute, Academy of Sciences USSR
Title :Focusing of Sound Waves by Inhomogeneous Media
Orig Pub :Akust. Zh., 1956, 2, No 2, 124-132
Abstract :The field of a poirit-source radiator in a stratified-inhomogeneous medium
is represented in an integral form, which contains the coefficient of re~-
lection of plane waves. If the frequency is high enough, the reflection coef-
ficients can be computed with the BKW (Brillouin-Kramers-Wentzell) method.
Subsequent application of the saddle-point method to the integral yields a ray
approximation for the field. Further development of the theory makes it pos-
sible to derive the equation of the caastic surface, to find the sound pres-
sure near the caustics and in the region of their points of tangency. It is
not necessary here, as was done by Haskell (Haskell, N.A. J. Appl. Phys. 1951,
22, 157-168), to find first the solution in the form of a sum of normal waves.
�iamples are cited.
Card 1/1

USSR'/ Acoustics. So-and Vibrations and Waves J-2
Abs Jour tRef Zhur - Fizika, No 5, 1957, No 12676
Author IBrekhovskikh, L.M.
Inst 3Acoustics Institute, Aoadeny of Sciences, USSR, Moscow
Title iPropagation of Sound in Inhomogeneous Media.
Orig Pub iAkust. zh., 1956, 2, No 3, 236-243
Abstract Survey article, delivered at the Second International A-
coustical Congress on 21 June 1956, in Cambridge, (Mass.,
US) (see Abstract 12661). It is noted, that the propap-
tion of sound in inhomogeneous media is 6onnected with
an extensive class of physical phenomena. A detailed exa-
mination is made of two branches -- the propagation of
sound waves in so-called inhomogeneous layered media., and
Card 1/6

USS~ / Acoustics. Sound Vibrations. and Waves J-2
,Abs Jour : Ref Zhur - Fizika, No 5, 1957, No 12675
: dent and reflected waves. Such a separation is not unique.
In connection with this, an error is pointed out in the work
by Gans (Gans, R., Ann. Physik, 1915, 74, 709), who was one
of the first to analyze in 1915 the laws of total reflection
of waves in an inhomogeneous medium.
A method is developed for treating problems in the propa-
gation of waves in inhomogeneous layered media, first deve-
loped by the author of this survey. In the case of propaga-
tion of waves radiated by point non-direotional sources, great
mathematical difficulties arise owing to the difference in
the symmetry of the medium and of the radiated wave. The me-
dium is plane-layered, and the source radiates a spherical
wave. A rationi%l method for examining this problem would be
to expand the spherical waves into plane waves, more so, &in-
Card 3 3A

USSIf / JLcoustios. Sound Vibrations and Waves J-2
Abs Jour ;Ref Zhur - PlEike, No 5, 1957, No 12675
:zone near the radiator. The third part consists of two wa-
ves, called the "side waves".
It is emphasized that praotically all cases of propagation
of waves in inhomogeneous-layered media are quite distinctly
separated into tvo classes, which the author calls 'wavegui-
de" and llmntlwave guide" propagation. Thephenomenon of the
so-called "superdistant aound propagation," when the sound
from the explosion of a charge of TNT weighing several kilo-
grams can be recorded at a distance of more than 5,000 Im,
pertains to waveguide propagation.
An example is given of antiwaveguide propagation in con-
nection with which the concept of the so-called transverse
diffusion of sound energy is discussed. It is indicated that
Card 516

VUSSIr / Acoustics. Sound Vibrations and Waves J-2
'Abs Jour t Ref Zhur - Fizika, No 6, 1957, No 12675
to describe the propagation of sound in a statistically in-
homogeneous medium it is necessary to know the so-called coef-
fioient ofoorrelation. When the fluctuations are relatively
small, the problem oan be solved by perturbation method. It
is emphasized that a very fruitful method in the theory is
the modified pertarbation method, proposed by S.M. 1~rtov (Izv,
AN SSSR, aer. fiz., 1937, 2, 223) &nd developed by A.I. Obu-
khov (Izv. AN SSSR, ser. geofiz., 1963, 2, 155). For this
method it is necessary that the perturbations of the phast
be small on the wavelength. A brief report is made of the fun-
damental results, 'obtained by Soviet scientists in recent ti-
mes in the study of the propagation of sound in statistical-
ly inhomogeneous media. It is emphasized that the new problem
of the propagation of sound in a media, were there simultmna-
oualy inhomogenol".ties of the above two types, is ver7 important
and vital. Bibliography, 13 titles.
Card 6/6

Category : CHM/Acoustics - General Problems J-1
Abs Jour : Ref Zhur - Fizika, No 2, 1957, No 4702
Author : Brekhovskikh L.M.
Title :Research Jm Accustles im the Soviet Union
Orig Pdb :Kesyue tunbazi,, 1956, No 5, 37-42
Abstract :Survey of basic research in acaastics in the Soviet Union with a brief
ind,iaition of the trez-As srA of the org~nizatior_s.
1. Acoustics of ronn and structures (developme=t of methods for
the design of radic ax~dlto:riums .. ccncert halls, ard motion pic-
ture theatezs; aesige, of scu~r systems for 3.6--ge areas and stadiums;
acoustics of residences)*. Basic organizations carrying oir-1, the work:
Academy of Architecture aznd Construction, Moscow ElectrotechnicAl Insti-
tute of CommuLdcatlcr, Scieztific-Ressarchh Institute of Cinematography
and Photo&-aphy,. Cez--tral Instttute of industrial Structures, Acoustic
Institute of the Aca?a.-.my of Sciences of the USSR,-and others.
. 2. 'Wcrk i_?. the. fil.e2A of ccamu--Acatio-A (,improvement of the acoustic
quality of te1ephc._r6 commmicatioL,; irvestigation of the sounds in
Russirxa speech and i=-tell-Igibility cf speech as furations of various
Card 1/4

Category : CHINA/Acoustics - General Problems J-1
Abs Jour : Ref Zhur - Fizika, No 2, 1957, No 4702
factors). Work is ca--riecl out by the Institutes of Administry of Radio-
technical Industry, the Academy ok Communications, and other organizations.
3. Investigation and the development of electroacoustic appeiatus
(loudspeaker ecrallneat for high fidelity reproduction of speech and music;
apparatus for sound recordizg; Instr=ents for band frequency analysis;
investigaticn of various kirds of distortionrand of'noibe in electro-
acoustics apparatas). Basic organizations: Institute of Radio Reception
and Acoustics, Scientific-Research-Inatitute of Ci-Aematography-and Photo-
graphy, Kiev Polytechn-ic Mr-stitute, limstitute.of Sound Recording, Iasti-
tute- of the Ministry of Co=wnication,'etc. -
. 4. Ultrasonics'(f~mdamental research, creating a scientific-techni-
cal base~'for wirious'applications of ultrasoiiicsi ultrrsonic defecto-
scopy; methc46 for conti-ol-an-1 automatization of manufacturing processes
vith the aid of ii1trasenics; ultrasonic cleaning; machini~ag of superhard
material; soldering and tiTyAng; usio of ultrasonics for dyeing cloth,
tanning skirs, etc.; applications to metallurgy; smoke precipitation
with'the aid of ultrasorics; applications to medicine for diagnosis and
treatment of various diseases). Basic organizations, performing the
Card 2/4

Category CMA/Acgust.1cs - Geme-ral Ptobl,~_ms
Abe Jour Ref Zhux - F!?Ika-, So 2, 11957~ fi-O 4702
J-1
work: Acaastic lastitute,, Ace4amy cf Seiz.Mces of the USSR; Leningrad
ElectrotechrIca3l, Mosccv Umiversity, laborstonj fcr Aniso-
tropic Stmctwee tf the Academy of Setem-,ces cf the USSP; Seie:1tific
Research lmstlzt'~te of Aviqtdrm 3_)ztAust.,rf,, Scientific RMearch In-
stitute fr:r Ret~,,'-ced. Ccriicrelwle: Olpmtxal Sciv--vti-fic Research Institute
for Heavy Machime, B1;A.2jUz.,g, Scient-:Lfic Resew~ch '12zt-'tute fcx Railroad
Transport, Scle:itific Researeb. 1,1-stitiite fcr Ra_"-~ _'~-Austry, laboratory
for Physica_14!1~' ca~"6 methc'!s ff invertigatioli i-n Boller Mispection
of the MJ--:,-st:,-y c-:f Sqtatln:~,,s of' the ITSqF. Sc�e:,it11F1c Research
lustittte caf th"P, M~Iriist--!Y sf _-_-a,;zt-ry --f
Goods, Ceztral Sciezitific Feeearch ::ztitute for Ferrous Metallurgy,
and others. MF-ky nrga~Azat~-Le IfMosc-:rw P~Iagcgical 1-stit-ate, Len-
ingrad UrAversity, 1-14,ts'-cs D_kstit,.A-e of V~e A~-alemy of Sciences of the
USSRj, and'otne~re) cazry mt. v2trsz~mlc 1mvestigations cix-meated with
molecular strvxt=-*. of aubst-'I&c6E,
5. Woz-k Ii. tte fiellfw. of :cease sappzessioz~-. is carri-A mt by the
lenim.-grad lasti~uut_=- for Protr-ctIcz:?. of Labor of the AII-Ution Central
Council of Trq~'_-B lh-'.Ioz~s azzA
Card ~/4

r Vs- K i /~w
057R /Acoustics. General Proble/ r_1
ms
Abs Jour t Ref Zhur - Fizika, No 5, 1957, No 12661
Author 2 Brekhovskikh, L.M.
--------------
Inst s Not given
Title t Second International Acoustic Congress
Orig Pub i Vestn. AN SSSR, 1956, No 10, 48-51
Abstract i Report of the Congress, held in Cambridge (US) in June 1956.
Three plenary sessions were devoted-to the influence of -noi-
se on the human organism and means of combatting noise, to
architectural and musical acoustics, to physical acoustics,
and -bo ultrasonics. In addition to the plenary sessions, 27
section meetings were.held. Notice is taken of the viork on
a section of psychophysiologioal and biological acoustics, `7
tions on the study of speech and on means of comb&ttinc-
Card 2 ].1/?-

Category : CHIM/Acouetics - General Problems
Abs Jour : Ref Zhur - Fizika, No 2. 19571 No 47o2
J-1
6. Physical acoustics (methods of acoustical quality control of
musical instruments; study of the physical properties and methods
of manufacture of,high-grade musical instruments). Work is carried
on by the Rxperim~ntal Factory for Musical Instruments of the Ministry
of Local Industry of the USFSR.
7. Work on physiological icoustic's (study and development of new
methods of measurement 6fhul~an h6aring, study of the-physiology of
hearing.' determination of permissible noise levels).. Work is caj~ried
on by the Institutes,of Physiology said of Biophysics of the Academy of
Sciences of the'USSR, the Institut& of Ministry of Health of the RSFSR,
and others.
Card 4/4

MIKHOVSKIIH, L.M.; RYTOV..S.M., doktor fiziko-matematicheakikh nauk,
redaktor; GWWV, X.Fe, redaktor lzdatell,stva;
FAVWVSEIT. A.A., tekhnichemkiy redaktor.
[Waves in laminated msdi&3 Vol%7 T sloietykh aredakh. Moskva
Izd-yo Akad.nauk SSSR, 1957. 501 P. (MLRA 10:85
(waves)

ljw Acoustios. General Problems J-1
Abs Jour - Ref Zhur - Fizilm, No 5. 19570 No 12661
i various noises (in particular, a special section on combat-
ting noises from jet aircraft), a a ootion on eneral DYWA-
cal. acoustics, and sound propagation, a section on the -qppli-
cation of ultrasonics in medicine and technology, a seation
on musioal acoustics, on the recording and reproduotion of
sound. Briefly described are the acoustical laboratory of
the Massachusetts Institute of Teabru)logy, of the RCA, Bromi,
Columbia, Harvard, and Catholic universities, inspected by
the delegates of the Academy of Sciences, 7JSSR,at the invi-
tation of the American scientists. See Referat Zhurns.1-
Flzika, 1957, No 4701, 10121, 101,22.
CU -5 .5 M)
Card 1 2/2

BRMHOVSKIKH, L. M.
"Rayleigh Wave Propagation Along a Rough Boundary."
pacer presented at 4th All-Union Acoustics Conf. Hoscow, 26 I'lay 58- 4 June 58.

M *'
BRJUMOVSKM. L.. otvatatvennyy red.: POINNOVA, T.P., tekhn.red.
[Abstract of reports at the Fourth All-Union Acoustical Conference]
Referaty dokladov. Moskva, Izd-vo Akad. nauk SSSR, 1958. 102 P.
(MMA 11:6)
1. Veeaoyusnaya akusticheskaya konferentsiya. 4th, Moscow, 1958.
2. Chlen-korrespondent AN SSSR (for BrekhovBkikh)
(Bound--congresses)

BREMOVSKIKH LH,, otvetstvennyy red.
[Abstracts of reportB at the Yourth All-Union Acouatical Oonferencel
Referaty dokladov. Otv.red. L.M.Brekhovskikh. Moskva, A~md. nauk
SSSR. Ft.2. 1958. 44 p. (MIRA 11:6)
3. Vseaoyuznaya akuaticheskaya konferentsiya. 4th, Moscow, 1958. 2.
Chlen-korrespondent AN SSSFI.
(So'und--Congresses)

1