SCIENTIFIC ABSTRACT L.A. DERKACH - V.G. DERKACH

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R000310210016-7
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: January 3, 2017
• Document Release Date: July 27, 2000
• Sequence Number: 16
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

BERGAUZ Lev Abramovich;-D
- 1~~CH _Leonid Aristarkovich; SUROVA,
V.A. , red. izd-va; BC)LDYRV-A-l-z-.-K.-,--U--ldi-xk.-r-e-d--.
[Handbook for workers in the dressing anAzintering plants
(workshops) of ferrous metallurgy enterprises] Pamiatka dlia
rabochikh obogatitellnykh i aglomeratsiormykh fabrik
(tsekhov) predpriiatii chernoi metallurgli, Mosk,,,a, Gos-
gortekhizdat, 1962. 186 p. (MIRA 16:4)
(Iron and steel workers-Handbooks, manuals, etc. )

DERKACHP L.%f vMAN G.I.; KOPP, I.A.
SimplC calculation of gear-cutting toolij and gear-measuring
instruments. Stan. i instr. 36 no,20.L-36 F 165,
(MIRA 1813)

VWW
DMRKACH, L!jj~a Sazonovna [Dziar-kachy L.S.); ARMOV) V.L[Arekhau,
Uslej) reu*; UGHUI9ILX9W,,* A.AjUchakhlebau,, A.A.], tekbn.red.
[Practices in growing corn for grain]Vopyt vyrosbaUvannia ku-
kurazy na zerne. Minsk, Dziarsh.vyd-ira sellskahaspadarchai
lit-ry BSSR, 1:962. 16 p. (MIRA 15:12)
(Corn (Maize))

VYRODOV, I.P.; BUD'KO, P.S.;,DERKACII, L.V.
User-Of kifttl*~bodcpepts of the structure of.liquidip for.determining
tb~ sizes of molecules. Zhur. fiz. khim. 38 no.1:232-236 Ja,64.
(MRA 1?:2)
1. Kubanskiy sellskokhozyaystvennyy institut.

DERKACH, L.V.; KOKORIN, A.I. [deceased)
Spectrophotometric study of heteropoly acids. Uch.zap.Kish.un.
68:48-51 163 (cover 1641- (MIRA 18:12)

L 05237-67 LVP(k)/EWP(h)/EW(d)~EWP(~)/94P(V)
'Iccc Nis
CC NR3 AR6020535 SOURCE CODE: UR/0372/66/000/001/GO36/GD37
AUTHOR: Avraamov. I. S.; Derkach, V. -A.. DerkachL N. G. ; No Selyandin.
V. L; Tsinker, E. B.
--------N
TITLE. A system for the programmed-control, of wide-reach multiple-stop mechanisms
SOURCE: Ref A. Kibern, Abs. 10251
REF SOURCE: Mezhvuz. sb. tr. Zap. -Sib. sovet po koordinatsii i planir. nauchno-
issled. rabot po, tekhn. i yestestv. naukam, vyp. 4, 1965, :129-136
TOPIC TAGS: automatic programmingg crane, control eircuit
ABSTRACT: A.system (S) for the programmed control of the movements of a grab-type bridge
cran
a is described. The S may also be used to control mechanisms moving Dver distances of
several dozen meters and longer. This S is characterized by the discrete determination of the
coordimites of the bridge and carriage of the crane, acconijilished at individual points by
means of independent contact pickups. Then the precision of the halt does not exceed the di-
mensions of the pickup. The article presents a schematic diagram of a S with the following
elements: 1) setting device; 2) encoder of the specified coGrdinate; 3) device for determining
Mr.- A9-r.AA-AR1_142_-.'152!A2l

L` 0523
ACC NRt
crane position; 4) encoder of the current coordinate (CC); 5) CC memory; 6) digital arithmetic
device (AD); 7) instruction device. The setting device specifies the coordinates of the two
points between which the crane should move, and it consists of two pairs of switches. The
encoder of the specified coordinate converts these coordinates to binary code. The device for
determining the crane's position consists of a self-excited key oscillator with an emitting coil,
mounted on the crane bridge; receiving coils, mounted directly along the crarte's path, and
distributed encoder of CC, converting the signal to the number of the fixed coil at which the
crane bridge happens to be present at the moment. The current-coordinate memory serves to
store the CC code during the movement of the bridge from one pickup to another, and also to
covert the code to its potential form. Since the specified and current coordimtes are expressed
in binary code, the, instructions are triggered by the comparison of the binary numbers in the
ADI and tmasmission of the results of the comparison to the Instruction'device. Wo AD de-
s4pis one based. on' c"ontELet elements and the other, on contactless elements, were investigated.
Mko operating priholple and diagram of AD are presented, as are the diagrams of the other
domponenta. For mechanisms operating at high speeds and requiring precise stopping correct
to - 0. 1 m it is more expedient to employ the contactless type of AD. To enhance 1he precision
of stopping a DC electric drive must be used, and the control signals must be generated conti-
nuously, on using a continuous servosystem, for this purposo. 7he latter shovild include auth-
correction at definite points along the path of the crane. 5 illustrations. Bibliography of 4
titles. V. Id. [Translation of abstract)
SUB CODE.-:A. 13, 20/
9/9

MRAVOV, I.V.; SHCREGOLEVA, I.V.-
.,_DERKACH, N.V.
Blood pressure in persona 80 years of age and older; Imsed on
materials of a mass medical screening. Vop. geron. i goriat.
4:72-80 165. (MIRJk 18:5)
1. Institut gerontologii A141 SSSR, Kiyev.

LEVCHEMKO, Ye.S.; DERKACH, N.Ya,; KIRSANOV, A.V.
N-~rylaulfonylareniminasul,f.'enamides. Zhttr.ob.khim. 32 no-4:
1208-1212 Ap 162. (MIRA 15:4)
1. Institut organicheskoy Ithimii AN [Jkrainakoy SSR.
(Sulfonamides)

LEVCHEhKO, Ye.S.; DERKACH, N.YO.; KIRSANOV, A.V.
Reaction of diarvldisulfonil imides with phosphorus pentachloride.
Zhur.ob.khim. 32 no.4:1212-1218 AP 162. (MIRA 15:4)
1. Institut organicheskoy khimil AN Ukratinskoy SSR.
(Sulfonyl group) (Phosphorus chlorides)

DMACH# N& Yao; SMETANMA, N*P,,
lq-trialkylsilylamideo. Zhar. obo khime 'A flo. 3-193613-3615
Iq 164 (KMK 1811)
1. Institut khimli polizerov I monameroir AN UkrM.

DERKACH, F.
----------
University of pedagogical knowledgo. Prof.-tckh. ob.,-. 22
no.ls22-23 Ja 165. (M:PA l8i4j

--~ I, ~- ~-,. ~-; ~, - tT~J
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0061 70
ACCESSION 11R: AP5

using,the lormulas a e'r ive d *::"a T4. 1~1 con P'A Ith a xp e r iii e n t a 1data L na:
~dlagrdm. art. h asl - .-2 1 t gis r a v and, 23 Itirmulaii. (VK)

ASSOCIATIO11,41

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L 4514o-66 E14T(d)/~;WT(m)/EWP(w)/EWP(V)/EWF(k) IJP(c) ldw/,T-,M
ACC NRe AT6020973 SOURCE CODE: UR/3207/65/000/002/0094/0098
UTHOR: Derkscbp P. Kb. (Doctor of technical sciences, Professor) .311
ORG: Dnepropetrovsk Universit y (Dnepropetrovskiy universitet)
ITLE: The axisymmetric form of the loss of stability of 9 cylindrical
bell as a function of the internal hydrostatic pressure
OURCE., Gidroaeromekbanikg, no# 2. 1965, %-98
OFIC TAGS: shell structure stability, bydrostatic pressure
BSTRACT: The article considers the stability of a cylindrical shell
ompressed by a force Q and acted upon from the inside of the shell by
hydrostatic pressure p. The loads are such that the cylinder is
perating at the elastic limit. The x axis Is directed along the
enetrix of the cylinder, and the y axis along the tangent to the outer
urface in the plane of a cross section perpendicular to the axis of the
ylinder. The external forces acting on the cylindrical sbellObre
onstant along the x axis, since the stresses X. and Y I-n-tb-e shell
541
.Lore the loss of stability will be constant and equaT
X'. - Q - 0 -1)
, Y. - P.1; k -0.
K R- A

L 413140-66
ACC NR' AT6020973
Z is the force, rels.ted to a unit of length; R is the radius of the
shell; b is the wall thickness of the shell. The article proceeds to an
extended mathematical treatment, ending with an expression for
determining the critical force. This expression contains a paremeter,W
which takes account of the plastic properties of the material. Orig.
art. has: 16 formuls.s,
CODE: 20/ SUBM DATE: none/ ORIG REF: 002
Card 2/2 ellet--M-1

DERKACH, V., inzh.
Attachmento for lightering the work of repairing wellot
Neftianik 5 no.Wl Ag '(0. (MIRA 14:8)
1. TSekh KRS neftepftMolovogo uprairleniya Starogrozneft'.
(Oil wells-*Iaintenance and repair)

H __ppdpo3lcovn4 1,
DERKAC V.,
Action of a battery allotted to an advance party. Voen. vest.
1+0 no.11:23-25 N 160. (MIRA 34:11)
(Artillery, Field and mountain)

DERKACH, V., podpolkovnik
'%
In a meeting engagement. Voen. vest. 41 no.3:69-72 Mr 062.
(MIRA 15:4)
(Military reconnaUsance) (Artillery, Field and mountain)

,~$RKACH _ V.
They must bear. Nauka i zh,7ttia 1.1 no.12:38 D 161.
(MIRA 15:2)
(FAP.-SURGERY)
(MOTION PICTURESP DOCUMVITARY)

DERKACH, V.A., inzh.
Freeing a wedged tool with a hydrochloric acid bath.
Neftianik 5..no.3:20-21 Mr 160. (MIRA 14:9)
1. TSekh kapitallnogo remonta.skvazhin neftepromysiovogo
upravleniya Staro ozne;Ctt.
Foil wells-Maintenance and repair)

ACC NR9' A16035426 ___iCLM'CE CODE:--WOJL37/66/000/009/1030/,103o
. .. ~ .1". ...7 .
I
AUMOR: Derkach V~'D.;_jasnitsk1j,# Yu. G.; Golldanskaya, 1. 1.
TITLE: - Some pbysical propert-ies ofnidbium monocarbide in the homogeneity region
SCURCE; Ref. zh. Metallurgiyaj Abs. 91W
,REF SOURCE: Vestn. Kiyevsk. politethn. inL-ta. 'Sez,.' rwJd=tekhnol.,,'no. 2, 1965, 64-67
jTOPIC TAGS: nibbium compound, carbide, hardness, resirtivityp porosity, ceramic press-
;ing.. sintering
ABSTRACT: The authors investigated the dependence of the microbardness 1~, and the re-
p of Nb-C alloys in the region of the homogeneity of the monocaYbide of Ab.
!7he NbC samples were prepared by sintering. Hot pressing was under a load of 150
in an argon atmosphere at the following temperatures: NbC0.80 - 2100% TWo.ea'
2200% and Nbco.9s - 23500; the average porosity of the samples amounted in this
case to 25 - 30%. The samples were annealed for three hours at 2000* and were slow:~y
cooled for six hours. A plot of the'dependence of pp H., and the lattice period (a)
the content of the boimd C is presented. The growth of 1~1 with increasing C content i
Attributed to the increase in the binding forces when the carbide approaches the stoi-
Ichiometric composition., to the increase in the Me-C binding forces, and also to the
hindrance of the deformation as a res%Llt of the penet-ration of C atoms into the oct-a-
1hedral pores of the lattice. With ina-reasing C in the phase, the defectness of the Nb
,atom levels decreases.. which decreases also the scattering ability p. With increasing,
2 1 UDC: (d*-2935784: 537-3

NRi
C content, the period of the W increases linciarly* thia being attributed to the
population of the octahedral pores of Nb with C atoms. N. Bogachenko (Translation
of abstract)
l
I SO CODE: 3.1

SHLYUKOj, V.Ya.; DERKACH, V.D.
Unit for cruaibleleso zone refining of high-melting metals by
an electron beam in a vacuum. Zav. lab. 33 no,11:1408-1410 165.
(MIRA 19:1)
1, Kiyevskiy politekhnichookiy institut.

S/124163/000/002/037/052-
D234/D308
De
ANNOR:
r1cach, Y.F.
TIT IZ Determination of stresses and displacemei-its in a
cux-ved beam wbject to a nonlinear temperature f 3* eldi
PIMIODM%: Reforativnyy zhurnal, Melchcrmilca, no. 2, 1963, 42t
abatract' 2V31*'d! CIzv. vIrsoh. uelidbn. zavedeni~. Stx-vo
i arkbitelct, ,:no, 1, 1962, 14-19)
T M' V- F:~am the condition of self-equilibrium. of forces, and]
ns f0r determining the stresses':
Momenta the author deduces ex-pressio
in statically determinable'awmed be a non-
am in the presence of
linear variation oj' temperature along the height of the beam. He
-ran
shows the variation. of the -stress di% in connection with the in-i
crea3e of curvatuix, of the,beam.
Abs tracter's note complete trmslation
qIra

MUCH.. V.N..
Meohwdam of the detoxicating effect of antibiotics. Zoravookhranenie
4 no, 6:30-34 N-D 161. . (MIIU 15:2)
1. Iz kafedry *krobiologii (zav. - doktor med.nauk V.N.Derkadh)
Kishinevskogo meditalAskogo instituta.
(TOXINS AIID ANTITOLUS) (ANTlBIDTICS)

DERKACH, Vladimir Nikolayevich; SHCHETININA, Ye., red.; MILYAN, 11Y.,
- -1- ~tekbil'*red.
[Mechanism of the action of antibiotics3O mekhanime deistviia
antibiotikov. Kishinev., Kartia moldoveniaske, 1962. 116 p.
(MIRA 15:9)
(ANTIBIOTICS)

W;WUM; V.114.
Detoxifying and disintoxifying propeerties cl.' mycerin in reL-ition to
tetanus and diphtheria toxins. Antildotilzi 6 no.12:1101-UO4 D 161.
(~Iliui 15:2)
1. Kafedra mikcrobiologii (zav. - pro)'. B.L.Palcuit) Ukrainskogo
instituta usovarshenstvovaniya vrachey, milo-obiologicheskoy otdol
(zav. - prof. V.S.Darkach) Khaxlkovskogo anuchno-is3ledovatellskogo
instituta vaktsin i syvor,-)tok.
(ANTIBIOTICS) (T!%ATA':.IUS--jV,'-ITITUXIN)
(DIPHMAIA AJJTITOXlN,)

PATLOV, AzN.; IASKINA, A.V.; MOKROUSOV, N.Ya.; DMMACH, G.P.
ON F-rk I _.. ~
Intra-eme interspecific contaCts of ger'bila in Chernyye Zemli
and the ilmen area of the northwestern part of the Caspian Sea
region. Zool.sbur. 38 no-7tlO89-1100 -TI '59-
(MIRA 12:10)
1. Roctov State Research Anti-Plague Inutitute and Astraltban
Anti-Plague Station.
(Caspian Sea region--Gerbils)

VASHCHMMO, Afanasiy Trofimovich [Vashchanko, P.T.]; DERKACH, I., red.;
NEDOVIZ, S., tekhred.
[Natural, resources of western regions of the Ukrainian S.S.R.;
economic-geographical study] Pryrodni. resursy zakhidnykh
raioniT URSR; ekonomiko-geografichnyi narys. Vviv. Knyzhkovo-
zhurnallne vyd-vo, 1959. 125 p. (MM 13:4)
(Ukraine. Western-,Natural resources)

MMCH. I.A.
mnue'.-,
Machine for gas cutting steel pipe. Rqte. i isobr. predi. v
strot. no.92,3-6 154. NLRA 8:6)
(pipe, Steel) (0:gracetylone welding and cutting)

GLIZUNOV, I.Z.; UIMCH~ I.A.
New developments in the technology of sanitary engineering. Vod.i
san.takh. no.4:1-4 Ap '56. (KM 9:8)
(Smitary engineering)

- - -
DERYACH, 1. G.
Stock and Stockbrm!eding
Organizatior an A develoj.-f,ent of animal hu-Aandry or, the Linin Collective Farm. Sots.
zhiv. 14. N-.. 7, I~"5,-.
9. Monthl List of Russian Accessions, Library of Congress, December _195~, Uncl.
2

DIRKACH, I.M, inzhener.;YZVSTTGNMV, P.N., inzhener.
1
4:
Making and using large g7psum slag concrete Partitions. Nov. takh. i
pared. op. v gtroi. 18 n0.5:10-13 W 036. (XLRA 9:12)
(Walls)

C~ c-1 I
XNZHOV, LA., inshener-nachallnik; BUDA-SEXIN, R.P., inzhoner; BARAMOV, Y.F.,
inzhener; SJMtZVp V.I., inzhoner; EADILINIXGV. M.7.. Inshener;
MrAd%u- , inshoner; KCNMTIYXTA, 'D.7.. toldinik; GLUMIN. V.I.,
kan dat to ichookikh nauk; BOLOVIMAsK.S., inzbqnsr; UPOD. T.U.,
rodalctor Watel'stva.. SKVCRTSOVA. I.P., redektor isdatel'stva-,
BOROVAT, N-k.5 tekhntcbook-Ly n)daktor
[Holal technological charts for sanitary eugtneeriu4 Tipovye
takhnologlebookis karty po sent torno-t 9*khui che skim isbotaim. Xoekvmi
Goo.izd-vo lit-ry po stroit.i arkhit.. 1957. 150 P. (KLRA 10:rIll
1. Akedoutys stroitel!etva I ofthitektury SSU, lbuchno-i. fin ladovat-oll -
skiZjustitut organizataii i mokbanizataii stroitalletva. 2. Noims-
tivuOye byuro Maostroya kinloteretva putay soobahchen4% (for
Reshov, Buda*Wn, Baranov, Skuyev, KadAllnikov, Dorkach, Kondratlyeva)
3. lauchno-issledovatel'skLy ins titut corganisaisii i makhaulzateit.
stroitelletva'(for'.8oloylyevs, Gurkin)
(]Plm'bUW)

PASHCHUX, Indrey Yosifovich; TWKAGH, Ivan Stapanovich.
[Lvov; a guidelo';10- L'viv';-'putlvnyk. Llvlliv, Knysh1mvo-~ ihurnallne
vyd-vo, 1957. 121 p. (MIRA 10:12)
(Lvov--Description)

PAS=, Androy Iosipovich; DIMACH, Ivan Stprr-no-Ach- OVSKIT, P.;
DOROSHWOI M-0 ~-e-K, ~OW -tekkired. I
[Lvov; a guidebook] Llvov; nttevoditall. Llvov. Knyxhno--
zhurnallnoo izd-vo, 1960, 14,,,, p. (miRA 14:2)
(Lvov--Guidebooks)
-.1,e

1. U. D. DEMCH
2. USSR (600)
4. Authors - Ukrainian
7. Kiev in the life of Lesia Ukrainka. Visnyk AN UF.5R 23 no. 2. 1951.
9. Monthly List of Russian Accessions, Library of Congress, April 1953, Uncl.

of uncolldj.Gicn~,-l ond c(;r.d- Uic;~jo: w.,,.culcdila;,-ant re-
flexc~s ir. -.an." Acad Sci t3Su, insi, of i'-cni
N
for (zegreo of of
SO: KT-ti-,,hnx,,a letopis', ll~o 43. 2-t L):: c 0-..!

t'noncH, N.Y.
- ----------- -,
.%onation as a distingulshing charaoter w2darlying differentiated
perception of voiced and voloolosis oonsonants. Nobl.fisdol.aknot.
4.-i87-igi '59. (MMA 130)
1. rnstitut evolymtsionnoy fisiologii Imoul I.M. Boohenova AN SSSR,
Leningrad.
(BJSSIAN LJOWAGII-PHORICS)

P:UDOSHGIIUK I F. # ; . !hRj:ACJI, L.; L.; 64'Uidi OVA, T., sttrshiy
dvori)ii.-.; 1.61,11KIN, M., tekhnik-srlotritall
Ot,.r xoartinlint hou;.-.o. Zhil.-kom. lkho-,. 11 no. 1:4-6 Ibl.
OVILIA 1.1i:2)
`o,..~--A& Lcv- to-o domoupravleniYal 1,
11 (for 2. Fredsedatell roditel shogo
Dovy~,toi~o :A ot-,p i7w,-1wilyu, (;. Sevastopol' (for Derhach,
LT.). 3. PredOedL--L,.;P domo%rc)-o koraitets-, Devyato-o domoupravleniya,
g.sevastopolt (for 4. Dev3mtoye domoupr-vleniye,
g. Sevastopol' (for S';lapovalov, imaripovu, LenIkin).
(Seva-~.topol I -Anzirtm~mt houses)

BIBICM, I.S.; RMUCH, I-Ta.
(Banzothiasol.yl-2)-alkylcaz-boxylic wids. Part 1. Ukr.khim.5b=.
22 no.2:208-212 '56.. Mu 9-28)
1. Klyevskly Casudarstvemkiry univeraltat Imeni T.G. Shevchenko.
(kems, latty)

LITCHERKO, Te.S.; MIRKAGH, X.Ta.; KIRSMY, A.T.
Chlorides of N-aryloulfozVlareaiminosulfonic acids. Zbttr.ob.
kbim, 30 noe6:1971-1975 Je 160. (MIRA 13:6)
1. Institut organicheskoy khimli Akademii nauk Ukrainskoy
SSR.
(Sulfouic acids) (Chlorides)

LEVGIIMO, Ye.S.; DERKAGH,, II,Ya,; KMANOV,, A.V,
Chlorides of N-aryloulfonylareniminostilfcinio acids. Part 2,, ZbVA7.ob.
khim. 31 no.6tl971-1976 Te 161. (KMA 14:6)
.Le Irwtitut organicheskoy khimii AN Ultrxinskoy SSR.
(SuIronio aoids) (GILlorides)

(J):~i ~P64WSA/Pa-4 Rn R-) Aw
L 18944 6 ~500/90( M
ALCESSION HR: AP4049468 S/0079/64/034/011/3613/3615
MUM: Derka tMetankina, No P.
WM -_
TI;LE: N-Trla!~YL des
'SWREE: Zhurna obshchey MIMI I V. 4, _no.'
1 11 1964, 36 13-36) 5
TAGS: s 1, 11 coorgan I c -compounds i~, ~,s 1, 1 one, alkylsily) amide, aromatic, carboxy-
lic acidp suffonic acid, urethan, sul~flonzalde
.ABSTRACT: The atithors prepared M-W);l derivatives oT the amides of aromatic car-
boxyliC aCidS, SLIlfonic acids, and urothans,11as fol Iavs:
ArCON112, ArCONUSURN
AIM)CONU-1
A1kQC0,NH5iA11:3
nSOIN112 E-..:flS02N11S1A1k3
iThe react lon proceeds I nbenzene soltit'lon at room teq)erature with .9 moderate
:evolutlen of heat., 11-trialkylsilyl cmides cof carboxylic and sulforvic acids of the
aromatic series are colorless crystalline campounds soluble In most orqz..'!'c so]-
Card 1/2

L 189A~-65
ACCESSION NR: Ai,4049468
vents em;ept n-hexane, petiroleum ether -and carbon tetrachloride. They are puri-
fied by vacuum distillation or high-vacmim sublimation. N-trialkyls~lyl urethans
and N-trimethy)silylalkyl isulfamides. are colorless liquids. N-trimethylsilylalkyl
sulfamides crystallize at G-15C. Determination of the specific gravity and re-
fractive index of liquid N-trlmethyJ!5Uly1aJkyl sulfamides enabled the authors to
determine the group refraction of th"~ -S()2" < groul'. N-trialVylsilyl amides are
readily hydrolized by water and atmD!5I)heHc moisture to form the corresponding
amides and silanol. The preparation cof K-trialkylsilIrl amides and hydrolysis of
N-tri-methylsilyi.bitn;!enesuli.-amide are described. ~Oriq. art. has: 3 tables and 2
chemical equations.
ASSOCIATION* Institut Winli pollmercov npnomerov Akademii nauk Ukraint~koy SSR
(Institute of the ~lstLle of Pol vairgt~s aild -Mononers. Acad !; of the
Ukrainian SSR)
SUBMITTED: 2330163 ENCL"~ .01)- SUB CODE: EX
:.:,NO REF SOV: 001 OTFEk'. 06
Cord 2/2

DEPMACH P P. M.
"Approximate Solution of the Problem of the Stability of Plates-11 Sub 22 Mar 51,
Inst of Mechanics, Acad Sci USSR.
Dissertations presented for science and engineerinr degrees in Moscow during 1,051.
soa Sum. No. 48o, 9 May 55.

P 4?4"~r A 137-58-2-2900
Translation from. Referativnyy zhurnal, Metallurgiya, 1958, Nr 2, p 99 (USSR)
AUTHORS: Derkach, P . Kh., Postol'nik, Yu . S
TITLE: Determining the Total Force Exerted in the Upsetting of Bolts
(Opredeleniye usiliy vysadki boltov)
PERIODICAL: Nauchn. zap. Dnepropetr. un-t, 1956, Vol 45, pp 161-170
ABSTRACT: A method is given for computing theoretically the total force
exerted in the cold upsetting of bolts. According to this method
the punch cavity, having the shape of the frustum of a cone, is
referred to a spherical system of coordinates r, 0 , and 9P 1
with the origin of the coordinates at the vertex of the completed
cone. In the solution of the problem the deformation rate and
upsetting temperature are neglected. This method makes it pos.-
sible to determine the distribution of stresses over the entire
surface of the cone-shaped punch and to ascertain the total force
exerted in upsetting bolts of different sizes, said total force being
taken as the sum of the projections of all the forces on the surface
which arise from the normal and tangential stresses upon the
bolt's axis. Comparing the results of the theoretical and experi-
Card I /Z mental determination of the total force involved revealed that

137-58-2-2900
Determining the Total Force Exerted in tile Upsetting of Bolts
the method employed here could be used for production purposes -
1. Bolts-Manufacture-MathwmUcal analysis
G.F.
Card 2/2

, :- DERKACHq P. Kh. (Dnepropetrovsk)
One application of Legendre'B polynomials. Ukr. mat. zhur. 12 no-4:466-
471 160. (legendrels f4notions) (MIRA 14:3)

MRXACH. T.V., Garoy Soto ialiatichookago Truda, zaeluzheaW agronom
- . - --- -
Their future i9 bright, Zaan.ta pratBia no.3:14 Mr l6o.
(KIR& 13:6)
1. Nacballnik Upmvleniya makharnoy avekly Hinisterstva
sellakDgo khozyayetva USSIL
(Ukraine-Sugar bests)

VARSHAVSKIYp Boris Yakovlevich [VarshavslkXil B.7a.ly kand. sellkhoz. nauk;
KUZIMICH.. Semen Iovlevich [Kus,,lu7ch, S.I.39 kand. sel'kJaoz. nauk;
USHAKOV, Aleksandr Fedorovich, kand. tekhn. nauk;-RERKACHI_ . .
Ly- I--
zasluzhennyy agronom URSRp Geroy Sotsia34sticheakogo Truda, otv. red.;
GURIRIKO, V. A.(Huronkot V.A.] red.
(Practices of growing monospermous sugar beetelDosvid vyroshchuvan-
nipL odnonasinrWkh tsukrovykh bwlakiv. Yyviv, 1961. 42 p. (Tovarystvo
dlia posbyrennia politycbnykh i naul:ovykh znan' Ukrainelkol RSR. Ser-5,
no.3) (MIRA 14:7)
(Sugar beets)

DAUACH,B.; DZMCH,V.
Self-bratiag winch. %mt. ugl. 3 no.12:19-20 D 154.
(HIRA 8:6)
Glavrqy makhanik shakhty no.4 kombinata Molotovugoll (for
Derkaah 13. ) 2. Nachallnik mekhanichaskogo teakha (for
Darkach,y.)
(Mine hoisting)

DERUGH, V.
For the excellent maintenance of a work area. Neftlanik 6 no.5:11-
12 My, 161 ~ (MIPA 1415)
1. Inzhener po olpzhnym rabotam tsekha kapitalinogo remonta skvazhin
n4ftepromys.19vogo uprkvleniya Starogrameft'.
(Oil-fields-gquipment and supplies)

11
7 "7 FWP(k)/EW-P(h)/h14T (d)/94P(1)/WP(V)
L21
AR6020535 SOURCE CODE: UR/0372/66/000/001/GO36/GO37
AUTHOR: Avraamoy 1. S.; Derkaich, V. A, Derkach. N. G.; No Selyandin,
_V. L Tsink-2~r, E. B.
TITLE: A system for the programmed control of wide-reach multiple-stop mechanisms
1+ B
SOURCE: Ref zh. Kibern, Abo. 1G251
REF SOURCE; Mezhvuz. sb. tr. Zap. -Sib. sovet po koardinatsii i planir. nauchno-
issled. raboi po, tekhn. i yestestv. naukami vyp. 4,1965, 1:19-136
TOPIC TAGS: automati c programming, crane, control circuit
ABSTRACT: A system (8) for the programmed control oil the movements of a grab-type bridge
craDQjg described. The S may also be used to control me-cbanisms moving over distances of
several dozen meters and longer. This S is characterized by the discrete determination of the
coordinates of the bridge and carriage of the crane, accomplished at individual points by ~
means of independent contact pickups. Then the precision of the halt does not exceed the di-
mensions of the pickup. The article presents a schematic: diagram of a S with the following
elements: 1) setting device; 2) encoder of the specified coordinate; 3) device for determining
112
UDC:
142.:352:621

LOU
ACC NRi AR6020535
crane position; 4) encoder of the current coordinate (CC); 5) CC memory; 6) digital arithmetic
device (AD); 7) instruction device. The setting device specifies the coordinates of the two
points between which the crane should move, and it consists of two pairs of switches. 71te
encoder of the specified coordinate converts these coordinates to binary code. The device for
determining the crane's position consists of a self-excited key oscillator with -an emitting coil,
mounted on the crane bridge; receiving coils, mounted directly along the crane's path, and
distributed encoder of CC, converting the signal to the number of the fixed coil at which the
crane bridge happens to be present at the moment. The current-coordinate memory serves to
store the CC code during the movement of the bridge from one pickup to another, and also to
covert the code to its potential form. Since the specified and current coordinates are expressed
iri'binary code, the instructions are triggered by the comparison of the binary nu mbers in the
AD a.nd "mission of the results of the,comparison to the Instruction device..Tw o AD de-
signs, one bued io#.6ontact element.s."dihe -other,, on coniactleas elements, were investigated
The operating principle and diagram of AD are presented, its are the diagrams of the other
6omponents. For mechanisms operating at high speeds and requiring precise stopping correct
to - 0. 1 m it Is more expedient to employ the contactless ~Vpe of AD. To enhance the precision
of stopping a DC electric drive must be used, and the control signals must be generated conti-
nuously, on using a continuous servosystem for this purpoi:1e. 7be latter should Include auth-
correction at definite points along the path of the crane. 5 illustrations. Bibliography of 4
titles. V. M. [Translation of abstraot)
SUB CIDDE: 02, 13. 20/:
Card 2/2

Rif; Zb. AriO,_1956i Lliv 610L
An exMIS4000 Is Moe 61 Ch; adoptatlDn of sbe merbid r1
force uOrtmizire therroscil 16 lem-concletc cccur%ctlons~ in

~ th~ pma6lic d Aix i 101 the conv2lc. Atabor m4fim
54 Uze of cheAhtwy of asirs and tht linvar connection bectircen the
delomatioli und the simssba. Tha Alhtinkqe is taken to L~c
_
;t is malle 6,YtIte pilaciple of posm1hIc displace-
Jlr~plairmtri.w
mms. ThpAn&:ePce of tH: xltxlnltqc cm pillarem?pon. is
Alllkly_7t4 - kl:'gll"ical VXWDPIC41 out: given of lhV c5jeulaian ior
"vzmom :Auhte's views tttwdlrl;: the
influinct cf-4,11okstAr hxre ocil Wen given in sufficient d-Eall.
Theu- air 'wors some du* Whifb tbc
gank-Fli useal in t!:lr!O=exWlkl esamples $.'Td omirscli,
Vmiil*t,
zbbrmWuS$R

A c6wsj-~Y Mimistry o/ SuPPly! End

q
I j~ i4 jj~~~

VINOEMY, Lev Pinkhasovich; KAN, S.N.,.-prqf'- doktoi takhn.nauk.
retsenzent; TZWACR V Y., dot senf' iind.--rel&~-.nauk, retsenzent;
DAVIDOV, 1. .9 doteent, kand.takhn.mauk, otv.red.; hURILOVA,
T.M., red.; TROFIMENKO, A.S., tekhn.red.
[Structural mechanics of rod systems; theory of the deformation
of rod systems] StroitelInaia wkhaniks starzhnevykh sistem;
teoriia deformirovaniia starzhnevykh sistem. KharIlrov, Izd-vo
KharIkovskogo goe.univ.1m.A.M.Gorlkogo. pt.l. Estatidel
Stetika. 1960- 387 Pe OURA 13:10)
(Stmotural frame)

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A 1., 11
4. P1.1Z "ut o5

CA

Use of 1 11*2ectrie proporti6e of' Mnerale in ore drousing

V. V.: I)rrkjuh. Intl Afekkatrokir,&O
- -11 4
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toediumirmsteitudin I lie cnr of molybdenite and irolfiritio, =00
ite in a mim. tit nitirrAwnrene and lictip4mr. fly umng i
tnikt. of 2 liquitfs, the dichv. rou,t. of thr liquifil Ivediloo
vu,, be confrolleti, by -iryint thi rrot-iiiin of fit,- con, 0
I,oornt,%. In grotral. room-ml, having a ifielm. .,i,oo.
Fff ster Main Ve can lx- elml. Intra njimmi, with it di'lev. see
coo-4. Itsetban 37 by Ilik tpethiwf. Sirrolimirik-iritolibir
0
minefuh shosild tw4 he gmairr ifitan 1.1ti, -INO utrib. The
difficialty of this mmhod iq lack Df a dwep dieter. Iwqoid
pli'll" Fi1xv QH.j.jq(1i b too ctlituivr. S. L M.
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effickscy cmid bt IncreMed Considerably by a pteIjtt,j,j,,,r
-00
sepwislar. *Mtv wT tre of 71" gum. Wre Should IV 'fl.
%i&d Wtv It ar e.g.. 74tO-S, 25 41. atid 6 it
"trill surl, stat wqui. j%xvtwQ the upillit-4thm, tif gl,,jtt,,r 0
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ME, V. G.
Xectromagnetic processes of ore ciressing. Sverdlovsk, Goo. nauch.-telchn. izd-,ro lit-ry
pc, chernoi i tevetnoi metallurgii, 1947. 267 p. (49-29349)
TF530-D47

Jul 48
Manganese Ore
Ore Mressing
"11ectromagnetic'Separation of WasheA, MazMasse
Ore, - V. G. Merkaoh, Cand. Tech Sci, 1 p
"Gar Zhur" No 7
Blectromagnetic separation of fine washed are,
carried out directly In factory, showed that
content of concentrated manganese could be nearly
doubled merely by one magnetic separation, with-
out supplementary grinding. Refers to separators,
friving th"Pe Illustrations. Probl--m of
33/49T87
7~M/Mi.ning (Contd) Ju:L 48
using d--,- or vet separation shoul& be so17eil in,
each case on the basis of economy.
33/49T87

WAR/Uinerals - Ores, Dressing Jun 51
"On the Theory of Magnetic Separation of Weakly
lb,petic Ores," V. G. Derkach, "Mekhanobr" All-
Ubion Sci Res Inat for Mech Procesaiing of Min-
orals
"Iz Ak Nauk SSSR, Otdel Tekh Nauk" No 6,
pp 852-862
Analyzes magnetic and mech forces acting on ore
particles in dry-type magnettc separators for
concv of ore with sp,,magne~ic susceptibilities in
raW froft,40%ru tb 8a10_"- Discusses - eonstrwti=
of rQU ae-,_ratars and gtAtes that seDarators
of Soviet design permit concn of coarser ores and
20ST81
U-sm.,Akinerals -.Ores, Dressing (Contd) Jun 51
shoii higher product!vity on fine ore than sepa-
rators cone*--=ted outside of the USSR. Sub-
=,itted by Acad I. P. Bardin.
205T81

rea Of Kfivol Rog busin. V. G
-Ud=;,S~rU'104io.kh. Gotayl Zhkv. 115. \u .;1.
33-NIP51).-In the cgww of removal from the mine the
rich ore bem es partly coataminated and fit consequture
the Fe content drops &-10% below standaid. The con-
taminated air. Is divisittle roughIv into 2 clAws of which onr
is stmgty nutgnedc tiod at%jve S nim. in size and the ottict
is hydrithemittic-martilc wriddy magnetic of Irrodominitntly
It-ss than 5 min. lumpt. The conen. procedure for the I.t
class itivolvet several lkaws of alternating Cnjhhi"X Itild
magnetic strim. For The wraliky magnetic cLtsx '.' whcmr~
areoutlined: one Involving veveral stages of magurtic hepta.
in a high intensity fitki and cite other gravity wim. iii a
heavy suspension. Of these, the 2nd is pieltrable bectum-
of lower cam. kt. Ilosch

. -)A1.11-11 11 ~, - I- I- . I
" , I . l.. , and --17*~'A",-~-..", 1. ;..,
,~al;,netic separation of mamanese ores. 1-jor. zhur. ; ~l o ~-) 1~32.
1- -1

DERKACH, Tiktor Gershovich; RTMN, P.M., redaktor; TL"ZDOKOVA, M.L.,
tekhticheskiy redalctor.
[magnetic sepaxation of low magnetic ores] Kagnitnoe obogashchenia
slabomagnitnykh rud. Moskva, Goo. nauchno-tekhn. izd-vo lit-ry
po chernoi i tovetnoi metallurgil, 1954. 296 p. (MM F3:1)
(Magnetic Eeparation of ores)

f-< '~~ H/-'~ , 1-.
BOGDANOV, O.S., doi:tor tekhnichaskikh nauk, profensor. redaktor; BRAND, V.Yu.,
kandidat tokhnicheskikh nauki redaktor; w4, karx1l"'t
tekhnichesirikh nauk. redaktor-, DOLIVO-DUBROVOLISKIY, Y.T., dolrtor
takhnichealcikh nauk, redaktor; ZAII(VATKIN, V.K., redaktor; KACHAN,
I.N., kandidat takhnicheskikb nauk, redaktor; OLEVSKIY. V.A..
kandidat takhnicheskikh nauk. redaktor; WKONOV, M.F., kandidat
takhnicheskikh nauk, redaktor; PARVEROV, A.M., kandidat tekhnicheskilea
nauk, redektor; PODNEK, A.K., redaktor; POLIVANOV, K.Yu., redaktor;
FI1M4L'BB7-3YN, G.I., kandidat tekhnicheskikh nauk, redaktor; YOMIN,
Ya.I., kandidat takhniclieskikh nauk, redaktor; SHINYAKOV, M.I.,
redaktor; TUDINIGH, G.I., doktor tokhnicheskikh nauk, re&jktor;
BYKOV, G.P., redaktor; ITMOKOVA, K.L., redaktor izdatelltitva;
XV3250N, LX., tekhnicheskiy redektor
[Proceedings of thelhird Scientific Session of the Institute of
Mechanical Processing of Sconomic Minerals] Trudy III nauchno-
takhnicheskoi sesaii institute Heldianobr. Moskva. Gos.nBuchno-
teldm.izd-vo lit-ry po chernoi i tsvetnoi metallurgii. 15155.
758 P- (HLEA 10:8)
1. Imaingrad. Mauchno-iseledovateliskiy i proyaktnyy institut
mekhanicheakoy obrabotki poleznykh iskopayemykh
(Ore dressing) (Flotation)

. . . . . . . . .......
01

1~erf Ct

7,btr-
iark r 431 it va~ mJ

210 rt$3~

F'w S~:~; x.
a mu"Lw ZaLn
i:mX!- C19
1. 194 6 Mr
v
ig 17 1112-plctk r.-i
ne.
&a 1" tl.z 1~ tjcl ~,i- u
fAJ strtnzi i:a 7a~.
11 Nrprtm 11
far,~C4, V;~ 11W-4
q;'C,rA'
F.- ti I b im,46f I TV --d-,
WF,
to

sod IN

I,

A-
M

A:-J

O~
~Iojj nmtt tv I)"

MUCH, V.-G., kandidat takhnichaskikh nauk.
*
"Alectrical methods of ore dressing* by N.Y. Olofinskii.
Reviewed by Y.G. Darksch. TSvet.mat. 28 tko-5t7l S-0 '55,
(MIRA 10:10)
(Ore dressing)
(Olofinskii, 1,1J

XOPYCEIV, Petr klalrse7svieh; OLOYINSIXIT.
~**"O.,ksnlidat tekhnicheekikk nauk, retsevient., B.YVKIN. P.K.,
redaktor; YJ2DOKOIA, X.L., redaktor Isdatialletva; AUNSON, I.M..
takhnicheskiy redaktor
[Special methods of ore ilressing Spetsialinye metody orogeshcheniia
polazzWkh iskopasmykh. Moskva. (Ios. nauchno-tokhn. izd-vo lit-ry
po chernot. i tevetnoi metallurgii, 1956-.344 p.. (MLRA 10:1)
(ore dressing)

al-'r-m,!
c- of 7nt~ti-r -in T,cl-,.-,Icnl
rnctmatIc 'r- n"'
cf a
Scinncf~:-,
~i(,
for t~~-c '-n,c
r~l
lr,,i ,2.cc
4 A --j
Tnizhna:fa letoris', T:~. 11"rY'.

~-,OVI 1.,7- 37- 10- 185810
Translation from: Referativnyy zhurnal, Metallurgiya, 1957, Nr 10, p 16 (USSR)
AUTHORS: Derkach, V.G., Nikol'skiy, D.A.
TITLE: Features of Foreign Mills for the Dressiri of Magnetite Ores
9 1
(Osobennosti zarub(!zhiiykh fabrik dlya obogashcheniya. mag-
netitovykh rud)
'10DICAL: Obogasliclieniye rud, 1956, Nr 5, pp 53-58; Nr 6, pp 36-47
A13STRACT: An effort is made to generalize the data on new foreign mills
for the dressing of lean magnetite ores. The magnetite ores
dressed at mills in Silver Bay and Erie (U.S.A.) and at Syd-
varanger, Norway, are quartzites low in Fe similar to the lean
magnetitic quartzite ores of the Krivoy Rog basin. The chem-
ical composition of these ores is presented, as is a dressin.g
flowsheet envisaging 2-stage concentration, the Ist stage
yielding tailings only, and the Znd tailings and concentrate.
However, the flowsheet of the mill at Marmora, Canada,
which treats ore coarsely disseminated with gangue minerals
differs from those of the former 3 by the fact that it provides
for dry magnetic concentration of the IELrge clas.ses of ore with
Card 1/2 the purpose of separating the coarsely disserninated gangue.

SOV/ 1137-57-10-18586
Features of Foreign Mills for the Dressing of Magnetite Ores
Approximate production indices are given for the work of these mills and
data on the consumption of electrical energy and water per t initial ore,
consumption of rods and balls, lining, and oil for the drying of 1 t of con-
centrate. The equipment of the mills is described and its performance
characteristics are adduced. A plan and profile of the coarse crushing
department, a longitudinal section through the medium crushing department,
and a plan and profile of the main building at the Erie mill are presented.
S. M.
Card 2/Z

ALICIUYIV, I.N.; BOGWOV, O.S.; BTIOV, G.P.; GROSKAJ, L.I.;
DOLIVO-DOWTOL'MY, T.T.; 'Rgigg, F.G.
m
Grigorli Ivanovich MiLextich; o"bitu&",. Gor.sbur. no.6.-53 JS 156.
(KWA 9; 8)
(lUdenich. GTigorii IM07ich, diod 1956)

Name: DERKACH, Viktor Gershovich
Dissertation: On the bases of the process of i~ag-
netic enriclunent of low-grade ores
Degree: Doc Tech Sci
Affiliation: Irast of Mechanical Working of Useful
MineralsoMekhanobr"
Defense Date, Place: 7 Dec 55, Council of Inst of Mining
Affairs, Aoad Sci U.SSR
Certification Date: 29 Jun 57
Source: B14VO 18/57

SHAPIRO, IrS.; T;RPIG00V,-A.N., skademik, re4aktor; SOKOLOV, G.A., professor,
redaktor Aa.,-doktor tekhrAcbeskikh nank, redaktor:
DOLITSKATA, 303.-'-,' re or isdatellotys; MOSKOVICHIVA, F.I., takhni-
chaskiy radaktor
[Iron ores: a bibliography] Zhelesn3re ruAy; bibliogreficheekti
spravochnik. Moskva, 1957. 76,? p. (PWA 10:9)
1. Akademiye mauk ESSR. Institut nauchnoy i takhatchaskoy informateii
(Btbltograpby--~Iron ores)

/7'
137-1958-1-49
Translation fronn., Referativnyy zhurnal, Metallurgiya, 1958, Nr 1, p 9 (USSR)
AUTHOR: Derkach, V. G.
TITLE- Spec ~Ileat.ures of and C-.walatmAkn Procedures for the Leark and
Minutely- disseminated Ores of Krivoy Rog (Osobennosti bednykh
magnetito,)ykh tonkovkraplenril,kh rud Krivorozhskogo basseyna i
skhema ikh obogashcheniya)
PERIODICAL. Oboga5hchenilye rud, 1957: Nr 1, pp 13-23
ABSTRACT
Card 1/2
The magnetite ores of this field contain, in addition to
magnetite, a considerable amount, of weakly magnetic oxides and
hydroxides of Fe and of siderite, not recoverable by magnetic
separation in separutors with weak magnetic fields, The ores
aye minutely disseminated, while the disseminaticn of the gangue
;s fine or minute. Magretite ores are distinguished by a banded
texture. This, IDIus the gxeat hardness of the ore, dictates a
4- stage crushing procedure. The magnetite ore has to be crushed
to 0. 5 - 0.6 mm particle size before first-stage separation. First-
siiAge milling should he accompanied not by one but by two removals
of tdiling~,, as this fac.'.litutes ehminat-'~.on of minute gangue slimes.
The first.- itage intermed".tez, should be crushed until 85-90 percent

137--1958-1-49
Special Feah.res of and Separation Prc,c(dures for the Leap (cont )
ii of 0.074 mm particle size, and it is esiential thA the ore be
demagnetized before classificallon Separation cf the crushed
first-stage intermediates must be done in three steps cn succes-
sive magnetic separaLors or in two steps if prior de-sliming of
the intermediates is done before separation Filtering of the
ccntrates should be done only after thickening and de- sliming, A
schematic diagram of magnetite ore separation, developed by the
Scientific Research Institute for Mechanical Concentration of
Minerals (MEKhANOBR) is adduct-d.
A.Sh.
Card Z12

137-1958-2-2229
Translation from: Referativnyy zhuTnal,-.Me!t-a,.llurgiya, 1958, Nr 2, p 3 (USSR)
AUTHORS: Derkach,V.G., Yevsiovich,S.G., Kazennov,M.N.
TITLE: The Starting and P~rocess Control Adjustment of a Concentration
Plant of the Krivoy Rog Southern Mining and Concentrating Combine
(Opyt puska i regulirovki obogatitel'noy fabriki Krivorozhskogo
yuzhnogo gorno-obogatitel'nogo kombinata)
PERIODICAL: Obogashcheniye rud, 1~67, Nr 2, pp 38-49
ABSTRACT: An account is given of the characteristics of the crude ore as
it arrives at the plant. Described also are the plant's general lay-
out, the arrangement of its equipment (Transl.Note-. This includes
liquid- chemical treatment tubs, furnaces, etc.), the defects in its
layout and arrangement of equipment, the changes made in the
course of establishing control procedures for the plant's operation,
and the make-up of its basic equipment. Indices of plant perform-
ance are included, and procedures are recommended for adoption
after establishment of its operational control system.
A.Sh.
Card 1/1 1. Industrial plants-Work functions

SOV/ 137 -58- 10 - 20 ~86
Translation from.- ReferativnyV zhurnal.. Me,.allurgiya, 1958, Nr 10, p 5 (USSR)
AUTHOR: Derkitch, V. G.
TITLE: Researches of the Mekhanobr Institute in the Study of a
Magnetic PrOCeS5 CE Dressing Oves and Materials (Raboty
instituta Mckharobr po izucheniyu magnitriogo protsessa
obogashchenlyd rud i maleridlov)
PERIODICAL: Obogashcheniye rud, 1957, Nr 5, pp 20 -24
ABSTRACT: Data are add-aced on a method of magnel,',c dressing de eloped
at the Melclianobr Institute. A method of determining the magne!.'C
fields of separators and the magnetic properties oi mi.nerals
demonstrated. Theoretical questions of dressing in terms of
production practice are examined,
1 - 02' es-Procef,-,sing 2. Sgpp-rator,~,-.-Atnpl--cat-luns S. Yd,
3. Mignetic fields-Perfo-rm-ince 4. M~Lnerals--~Sa~.etf-e
Card 1/1

: I19MCH, V.G.; IMLISKIT, A,,A.; SHCHITANDVSKATA, R.I.
Characteristics of magnetic fields of drum separators with closed
circuit. Obog. rul. 3 no-3:26-32 '58- (MIRA 12:1)
(Magnetic separation of ores)

DERKACH, V.G.; LEVITSKIY, A,.M.; KRABBE, S.P.; YEGOROV, N.F.
Drum separators designed by the "Scientific Research
Institute for the Mechanical Frocessing of Minerals"
for the wet magnetic separation of magnetites. Obog.
no.4:34-44 159,
(Ma,11netic separation of ores)
ard Planning
and intended
rud 4
(MIRA 14-8)

DERKACH, V.G. -
Dressing oxidized iron orer, in an electric field If m "Engireering
I ro
and Mining Journal" no. 1, 1958; "Iron and Steel Enp,,ineering"'
no. 10, 19581. Obog. rud 4 no,,4:56-57 '59, (MIRE. 14:8)
(United States-Ore dressing)

DERKACH, V.G.; YEGOROV, N.F.; LE11TSKIY, A.M.
Multiple roll magnetic separator. Biul. TSIICHM no.10:44 '600.
(KRA *15:4)
(Magnetic separation of ores-Equipment and supplies)

DERKACHI V,,G.; 6SHCHUFANOVSKAXAP 11,I,
Effect of the magnetic iryatem. pole spacing and the
rotation on the dry sepiwation process., Obog.rud
'60.
(Dkgnetic veparation of ores)
speed of drum
5 no-4:27-34
(MIEU 14: 8)

DERKACH, V.G_.,,_LEVITSKIY, A.M.
Dressing of magnetia taconites from the Mesabi deposit, U.S.A.
[from "Mining Engineering," no. 12, 1958; no. 9, 1959J. Obog. rud
5 no.5;53-56 160. (MIRA l4z8)
Oiesabi Range-.Taconite)
(Magnetic separation of ores)

DERKACH, V.G.
Dynamics of the movements of ore particles on magnetic separator
drums. Obog. rud 5 no.6:38-40 160. (MIRA 14-8)
(Ragnetic separation of ores)

BOGDANOV., O.S., doktor tekhn. nauk, prof., otv. md.; ERAND, V.Yu.,
kand. tekhn. nauk, red DERKACH V.G.., doktor tekhn. naW-.,
-.1 --
red.; ZAKHVATKB, V.K., ro .----OL1TSKTY V.A., kand. tekhn.
nauk, red.; LOKONOV, N.F., k;nd. tekhn.' naak, red.; FODNEK,
A.K., kand. tekhn. naukp red.; TUSEYEV, A.A., red.;
FINKELISHTM J. G.A., kand. tekhn. nauk, red.; FOMIN, Ya.I.,
kand. tekhn. nauk, red.; CHERNOBROV, S.M., kand. tekhn. nauk,
red.; KUTUZOVA, L.M., red.
[Transactions of the Fourth Scientific Technological Session
of the Scientific Research Institute for Mechanical Concentra-
tion of Minerals] Trudy IV nauchno-tekhnicheskoi sessii insti-
tuta MEKHANOBR. Leningrad, 1961. 665 p. (MIRA 17:5)
1. Leningrad. Nauchno-issledovatellskiy i proyektn3-7 institut
mekhanicheskoy obrabotki poleznykh iskopayemykh.

DERKAGH, V.G.; GALEVSKAYA, T.N.
Characteristics of dry and wet separation procoBses for small-
size strongly magnetic ore* Gor. zhtLr, no. 1:70-75 A 161.
(MMA 14: 1)
1. Mekhanobr, Leningrad.
(Magnetic separation of ores)

DERKACH9 V.G.
-------I--- - - .--- I
Wet magnetic separation of magnetite quartzites. Ubog. rud 6 no.4;
zl-z4 161. (MIRA 15:1)
(Magnetic separation of ores)

DEMO$ V. G.; BINYJMCII, V. A.; ARTZKOVA, A. A.; YF4WV$ N. F.
Comparison of variaw drunt separators for vat separation of
magnetic orem. Gor., zhur. no.1-1:67-70 N 062. (MIRA 15:10)
(Separators (Machine 9) -To Bung)
(iron ores)

,,RERKAC#.,-X.G,"oktor tekP.~.aauk
Classification of magnetic separators. Obog. rud 7 no.2:2&-31+ 162,
(MIU 1634)
(Magnetic separation of ores)

DERKACH, V.G.- YEG'OIIOV,, N.F.
Effect of magnetic agitation and retreatment of products + indices of
the wet separation Qf magnetite ores. Obog. rud 7 no.5:9-16 162.
(MIRA 16:4)
(Magnetic separation of ores) (Magnetite)

DERUCH V G doktor telchn.nauk
_-, .9_ S
't "Modern methods of magnetic separation of ferrous ores" by- V.I.
~. Karmazin. Gor. zhur. noo3:77-79 Mr f63. . (141M 1614)
1. Vsesoyuznyy nauchno-issledovatel'skiy i proyektnyy institut me-
khanicheskc.y obrabotki poleznylch iskopayemykh.

.I : , ~,:.1 , ; P
B?,At% -1, . 1.-- 0 Y 0 , - tjr-ktor t,.-Lh:-,.ow-,h; S11-;F -U-., ~-i.B.) kand.t--"~lln.nauk
- J, -;;,:,,f.,nt of iron orr, d,;-e.,3s.,nf,y in V-.-: Tnzady lfekhenobr
16-3 6 (MIRA