SCIENTIFIC ABSTRACT V.P. DIDKOVSKIY - V.K. DIDYCH

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R000410320020-9
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Document Release Date: June 12, 2000
• Sequence Number: 20
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

S/125/60/000/05/06/oi)
Electroslag Casting of Copper and Some Copper Alloy Ingots
vyborzhets" plant, without any defects in the band, whilst bands rollea
for comparison from ingots produced by semicontinuous casting did have
defects. The copper alloys experimented with, contained berillium,
Xirconium and titanium. High-meohanical properties of the copper ingots
obtained are compared with properties of copper cast conventionally
(Table 4). There are 6 photographs, 4 tables, and 4 Soviet references,
ASSOCIATIONg Ordena Trudovogo Krasnogo Znameni Institut elektrosvarki im.
Ye. 0. Patona AN USSR (Red Banner of Labor Electric Welding
Institute imeni Ye. 0. Paton AS UkrSSR)
V
Vi
Card 2/-,

S/125/60/000/05/07/015
AUTHORSs Gurevich, S. M., Didkovskiy Matveyev, A. P., and
091mushkin, V.
TITLER Experience with Electroslag Weldin '% for Welding Rings"Of
,u.VT6"- Titanium Allov
PERIODICALR Avtomatioheakaya svarka, 1960, No. 59 PP. 56-61
TEXTs Thick titanium alloy rings and flanges used in chemical and
some other industries were welded up to now on resistance butt welding
machines like the 'IMSGA-300" (Ref. 1), and the quality of the joints was
not always satisfactory. The article gives a detailed description of the
electroslag prooess used for joining rings, 1,500 mm In diameter and
95x75 mm cross section, consisting of two forged halves, with forged
plate electrodes of same "VT611 titanium alloy; work was done on an "A-15~`
welding machine designed by the Electric Welding Institute with a single-
phase "TS)iS-3000-111 transformer. The information includes details on t",
preparation of "AN-T211 flux for this purpose, on the chemical compositi-
of the parent metal, on electrode and weld (Table 0; photographs of
joints and microstructure of the weld, and detailed engineering recommen-
Card 112

S/125/60/000/05/07/~';1,5
Experience With Electroslag Welding for Welding Rings of "VT6" Titanium
Alloy
dations as to how to eliminate weld defects in the process. The technique
can easily be learned by operators. The process will be employed for
series production of welded I'V71611 alloy rings. There are 4 photographs,
2 tables, and 3 Soviet references.
ASSOCIATION8 Ordena Trudovogo Krasnogo Znameni Institut elektrosvarki
im. Ye. 0. Patona. AN USSR (Red Banner of Labor Electric
Welding Institute imeni Ye. 0. Paton AS UkrSSR) (S. M.
Gurevich and V. P. Didkovskiy); Kuybyshev (A. P. Matveyev
and V. K. OsImushkin)
SUBMITTEDs January 12, 1960
Card 2/2

DIDKOVSKIY, V. P.
Cand Tech Sci - (diss) IISI:udy of the process of electroslagging
smelting of titanium." Kiev, 1961. 13 pp; (Academy of Sciences
Ukrainian SSR, Order of Labor Red Banner Inst of Electro-Smelting
imeni Ye. 0. Paton); 200 copies; price not given; list of author's
works at end of text (10 entries); (KL, 10-61 sup, 214)

j, r-7)
S/'125/61/000/001/007/016
A161/A133
AUTHORS: Didkovskiy V.P., Gurevich, S.M.
TITLE: Electro-slag welding of titanium with wire electrodes
PERIODICAL: Avtomaticheskaya svarka, no. 1, 1961, 48-51
TEXT: The electro-slag welding process with plate electrodes is used in in-
dustry for joining titanium and titanium-alloy parta of large cross sections,
but plate electrodes are not.suitable for long seams because of the high
electric resistance of commercial titanium, which causeaa heating of the
plate and consequently saturation of the electrode metal with gas that spoils
the weld. Experiments with long seams were carried out at the Electric
Welding Institute im.Ye.O.Paton with wire electrodes. Commercial PT1 (VT1)
titanium plates 40-50 mm high were joined by filling a 25-28 mm wide gap be-
tween them with a single wire and A14-T2 (AN-T2) flux. Transverse oscillation
of electrode wire was not employed. Alternating current was supplied from a
TMC--3000-1 (TShS-3000-1) transformer. The welding zone was shielded with
Card 1/4, 1~

22238
S/125/61/000/001/007/016
Electro-slag welding of titanium ... A161/A133
argon. Wire from VT-1 titanium 3, 4 and 5 mm in diameter was tested, The
best results were obtained with 4 mm wire, a welding current of 550-600 amp,
22-24 v, an electrode feed of 200 m/hour, and a slag depth of 30-35 mm. The
welds were sound (Fig.1). The microstructure of the weld metal (Fig.2) was
same as in Yielding with plate electrodes, its hardness slightly exceeding
that of base metal, which seems to be due to the acicular structure of the
seam. The difference in hardness between the center and the outside of the
weld was only slight, and no contamination with oxygen, nitrogen and hydrogen
during the process was stated. The mechanical properties of welded joints
were close to those of base metal. It seems that standard equipment used for
welding steel can be employed for titanium if some details are change~d (de-
sign of the water-cooled slides, nozzles, and more). The transformer must
have a rigid characteristic and low idle-run voltage, such as the TShS-3000-1
or TShS-3000-2 types. Conclusions: 1) The welding of heavy plate titanium
by the electro-slag process with wire electrodes is possible. Optimum re-
sults are obtained with 4 mm wire. 2) Welds in commercial titanium have the
same strength as the base metal. Their ductility and toughness is sufficient.
There are 3 figures and 5 Soviet-bloc references.
Card 2A~

22238
Electro-slag welding of titanium ... A161/A133
ASSOCIATION:' Ordena Trudovogo XrasnoC;o Zinameni Institut, elektrozvarki im.Ye.
O.Ilatona AN USSR ("Order of the Red DanneT of Labor" '21ectric
.I..Ielding Institute im,Ye.O.-Faton AS -,JkrSSR)
SUBVIITTED: May 17, 1960
Card

IS'73
AUTHORs bidkovskiy, V. P.
6
AN'V61/000/005/014/016
A161/A127
ITLEs Eleatro-slag'welding of heavy titanium sections with consumalile tip
PERIODICAL: Avtomaticheskaya avarka.,&no. 5A 1961, 91 - 92
Brief information is given on experiments oarried out at the1natitut
elektroavarki. im. akad. Ye. 0. Patora (Electric Welding Institute im. Acadl~mician
Ye.. 0. Paton). Torged titanium all6y sections of 70 to ;50 Mm thickness wage weld-
ed using an A-645 welding apparatus; a TUC-3000-3 (TShs-30(>0-3) transformdr; a
12 mm thick tip of the same metal, with 4 mm wide gpooves milled in it for'&iding
the 3 mm wire, and AH-12 (AN-12) flux. Pure argon was used for shielding tj* slag
pool. The sections were spaced.26 mm. Water-cooled copper linings were installed
over the entire length of the weld. The 'process was triggered in a pocket (Cavity)
under the.joint, formed by the copper,linings. Special copper plates were used to
lead the slag pool and the weld crater out on the top of joint. Argon was b1 .own
between these plates. The process was st%ble. Details of process used for 70 and
110 mm sections are given in the table below:
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26792
S/125/61/000/005/014/016
Electro-slag welding of heavy titanium sections... A161/AlZI
Metal Number of Wire feed, Weldl
g U Slag pool Argor-,I Space between
thickness wires V, uVqm current
:
, volt depth, mm liter/ wires
I, amp mi 1
70 2 198 1,300 22 25 9 40
110 2 198 1,7C0 22 25 12
1 80
It was fo~ ~nd that welding with c-inzumab le tip s may be A ffected with less strong
current than*w1th heavy eleatrodr,!. The throat of a consumable tip heats in the
established procasa not above 3!50 - 4500C2 and no intermediate conduit is nenessary.
The appearance of the weldd Dr---,dv-,ced under optimum process coriftions is the same
as of welds produced with heavy electrodes. The fusion depth in the base metal
is not above 10 mm. The welds are sound. A gas analysis proved the absence of
contamination in the process. The mechanical properties of welds produced in BT1
(VT1) titanium forgings with consumable tips are equal to the mechanical properties
of.the base metal, and the ductility and notch toughness are sufficient. Longer
seAmR can be welded with a consumable tip than with a heavy electrode. The method
is suitable for joining parts of over 40 mm thickness with up to 1,500 -.2,000 mm
long welds. [Abstracter's note: Essentially complete translation]
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S/125/62/000/005/006/010
D04O/Dll3
NUTHORS:
Gurevich, S.M. and Didkovskiy, V.P. (see Association); Tikhov, N.N.
(Moscow)
TITLE: Electroslag welding of titanium allay VT5-1
PERIODICAL: Avtomaticheskaya svarka, no. 5, 1962, 78-84
TEXT: The described experiments were conducted in connection witl-. the introduc-
tion of electroslag welding in the industrial lot production of large parts of
BT5-1 (VT5-1) alloy which is weldable and was hitherto used extensively for
thin-sheet weldments. The alloy contains 4 - 5.5% Al and 2 - 3% Sn and has
higher mechanical strength than other Ti alloys at continuous loads up to 5000C
and during short-term heating at 900*C. The experiments were conducted with
forged and pressed rectangular billets with cross-sections varying from 40 by 42
to 60 by 70 mm and welding rings 60 by 70 r= in cross-section. .Sound joints
were obtained with forged billets usin g the following data of welding: 1600 -
1.800 amp, 14 - 16 v, 26 mm wide gap, 130 g of RH -T 2 (AN-T2) flux and argon
Card 1/2

S/125/62/000/005/008/010
Electroslag welding of titanium alloy.... D040/D113
shielding at a rate of 8.0 1/min. The mechanical. properties of pressed billets
welded with the use of pressed unalloyed BT 1-1 (VT1-1) titanium were inconstant.,
but it is supposed that electrodes of the same chemical composition as that of
the base metal will give joints of satisfactory strength and plasticity. All
welding was conducted with plate electrodes. Rings were welded from two halves
in an automitic process on a welding unit with rotary table. Welding one joint
in rings took 4-5 min. No defects were found in welds on X-ray inspection and
after machining. Conclusions: (1) Large parts of VT5-~l can be welded by elec-
troslag process using an AN-T2 flux; (2) welded joints produced with VT5-1
plate electrodes in forgings are as strong as the base metal and have sufficient
plasticity and toughness; (3) the plasticity and toughness of welds of pressed
VT5-1 elements must be increased; (4) electroslag welding of various sizes of
ring?s made of VT5-1 alloy has been introduced into serial production. There are
7 figures and 4 tables.
ASSOCIATION: Ordena. Trudovogo Krasnogo Znameni Institut elektrosvarki im. Ye.O.
Patona AN USSR (Electric Welding Institutc "Order of the Red Bannex
of Labor" im. Ye.0. Paton, AS UkrSSR) (S.M. Gurevich and V.P.
Didkovskiy)
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S/762/61/000/000/029/029
A14THORS: Morozov, Ye.I.1 Ronzhin, A.S.# Prostov, LA.# Matveyev, V.S.,
Gurevich.S.M., D1&jM1hjXV.P., Yaminskly,K.K., Usov,V.N.
TITLE: Electroslag smelting of titanium ingots.
SOURCE: Titan v promyshlennosti; sbornik statey. Ed. by S.G.Glazunov.
Moscow, 1961, 314-326.
TEXT: The paper describes a method of electrosclag smelting of Ti ingots with
desirable mechanical properties and with a surface that requires almost no machin-
ing prior to plastic working - The principal objective of the development is the smelt-
ing of flat ingots for the rolling of sheet material with uniform transverse distribu-
tion of rolling deformation (cylindrical ingots are deformed more greatly at the cen-
ter; tensile stresses produce edge cracking on the resulting sheets). Several or gan-
izations collaborated with the Institute of Electric Welding imeni Ye. 0. Paton in 1959
in adapting the splashless electroslag method of Ti smelting (3 electrodes) developed
in 1958 to the smelting of slab ingots of up to 200x8OOx7OOmm and 500 kg.Good me-
chanical properties and high electric-power utilization result irorn the improved
current- and heat-flow uniformity of the arc established underneath the protective
flux layer. Since 3. as wall as one% electrodes can be employed, the 3 phases of an
a.c. power supply can be utilized uniformly. The fumed flux layer contributes to the
formation of a singularly compact ingot structure. Flux must'. (1) Not contain 0;
(2) have a m. p. close to that of the metal and be readily fusible; (3) have a high b. p.
Card 1 /Z

Electroslag smelting of titanium ingots. S/76Z/61/000/000!029/029
(not less than Z,OOOOC). Neutral-gas shielding above the flux is mandatory to avoid
0 reaction. Details of the experiments with various fluxes. which led to the adopt-
ion of CaF? (brand " " (Ch)) and a purifying remelt of the flux in an induction furn-
ace ?rior to use, are reported and tabulated. Comparison of BT (VT) - 1. -3- 1. and
-5. 0T4, and Ti-8Mn ' t obtained by the el~_ctroslag
1 0 s , CESTiiid_vacuuiiFa_rc_TV_AF
i_nd-VA~i serve
methods. Differences between - ngots initially-o-5 - d were fo-und--to-'be
attributable to the use of pressed electrodes in the ES method; use of once-VA-melted
ingots as starting electrodes in both ES and VA methods yielded BT (VT) and OT in-
gots of practically identical mechanical properties (described. and tabulated). The
mechanical properties of the Ti-SMn were considerably improved by the ES method;
this is attributed to the more unUorm distribution of the high-vapor-pres sure Mn
in the ingot under the protection of the flux. The BT (VT) and OT alloys showed
either increased strength or impaired notch toughness when tmelted under a fluor-
spar flux. probably as a result oi uncontrollable admixtures contained in the fluor -
Spar. Furnace: The design of the 3-electrode furnace, with a crystallizer. electr-
ode chamber, hux dispenser, eloct rode - advance mechanism, protective shield , and
power transformer. is described and illustrated (cross-section, photos); its operation
and process control are described in detail. A 500-kg ingot shows the result of deliber-
ate manual delays in electrode advance in the form of nonuniformities (photo). Design
criteria were obtained for future furnace designs. There are 6 figures, 3 tables, and
Z Rus sian- language Soviet references identified in footnotes.
Card 2/2 ASSOCIATION: None given.

ACCESS.ION NR:. AP4013083- S/0125/64/ooo/ow/0054/0058
AUTHOR: Didkovskiy,,',Y., P,; Grabin',,'V,''F,-;-Gurevioh, S. M.
TITLE: Slectroslag welding of VT6-alloy forged pieces
SOURCE: Avtomaticheekaya evarka., no, 2. 2964-o 54-58
TOPIC TAGS: electroslag welding, welding, VT6 alloy,, VT6 alloy
forging, VT6 alloy welding, titanium alloy.. titanium alloy welding
ABSTRACT: Forged pieces 60 to 100 x 100 to 120mm made from VT6
titanium alloy (4,3%A1, 3.8%Vo 0.21%ft, 0.11%0, 0.11%Sil 0.03%N,
0.06%H, balance T were-welded by an A-550 machine under AN-T2
flux-slag in argon atmosphere. Plate electrodes 10-14 mm. thick were
used. Increasing the plasticity of the weld metal was attempted
,.by (a) subsequent beat treatment of-the welds filled with the base
VT6 metal was ineffective; hence, VT6
.Card 1/2

ACCESSION HR-.,AP4013083
electrode's can be regarded as acceptable only when these lastioity
ohwacteriaties are tolerated: relative elongation re-
p 5-6(d P
duction of area, 15-20%. Welds of a strength equal to that of the
base metal and of adequate plasticity were obtained with AT8 complex
alloy and with composite electrodes consisting of VT1-1 and VT6
plates. Orig. art. has: 5 figures and 2 tables.
ASSOCIATION: Inatitut elektrosvarki im. Ye. 0. Patona AN.Ukr SSR
(Institute of Electric Welding, AN UkrSSR)
SUBMrMED: lOApr63 DATE ACQ: :26Feb64 ENCL: 00
SUB CODE: ML NO REP SOV: 005 OTHER: 005
Card 2/2

-'~'-AID Nr IP,94-4 -20'June
W'6-,F~ TITANIUWALLOYS (USSR)
Gurevich, 'S. M.,-Y. P. Didk~ki and Yu.- K. NOV!koir. Avtornaticheskaya.
avarkal, no 4 Apr 19Q, 27-133. S/125/63/900/004/005/011
- v j\V , .e .- ~i ,
The Electric Welding Institute.7 Ukraiiiian Academy of Sciences, has studied
tfie electroslal.:,t melting of titanium alloys with special attention to the casting
of ingots of obilong cross section, Co.nsumable electrodes were compacted
fromtitanium sponge of various degrees of purity.- The.mqlting was done un-
der oxygen-free AH-~T2 flux. [unidentified] in an argon atmosphere. Alloying.
-additions, when used, were added tolthe electrodes'. The 42- to ~5-kg, round and
flat ingots of BT1 titanium: [comrnercial grade I* and' OT41 1 [2 ~0-3.5jv Al, - 1.0 -
2.0%-Mnland OT4-1 11.0'-;-2.51o AI,0.8-.216 Mn] -alloys had a clean, smooth
surface. Mechan c'al properties of the alloys,., though . dependent on the grade
i
.,--oftitanium sponge used, were satisfactory even inalloys melted from low-e
"...Purity sponge. The BTI,.melted.from 11'00, spongq'. lh'ighr purit.yj had
tensile strength of 41.4 kg/mm2',-.elonjation of 29.976i reduction of area of
2
....65.2% notch toughness of 17.0 kg-rn/cm and hardneits,YJA of 134 The cor-
..-xespondilng figures fox: BTI melted fro TM
flow-giradel, &.17-onite .!w ere
Card 1/2

GUREVICH, S.M.; DDKOVSKIY V.P.- NOVIKOV, Yu.K.
- - ----) .. .....2
Making titanium alloy ingots by the electric slag method.
Avtom. svar. 16 no.10:37-42-0 163. (MIRA 16:12)
1. Institut elektrosvarki imeni Patona AN UkrSSR.

:ACCESSION NR: AP4002090 S/0125/63/0010/012/0040/0048
AUTHOR- Grabin, V. F.; Didkovskly, V. P.; Gurevich, S.. M.; Gordonnaya, A. A.
TITLE: Nature of ductility drop in electroolag-wolded VT6 alloy joints
SOURCE: Avtomat. svarka, no. 12, 1963, 40-48
TOPIC TAGS: VT6 titanium alloy welding, titanium alloy electroslag welding, VT6 alloy
weld property, VT6 alloy weld structure, electroslag welding, ductility drop, brittleness,
VT6 titanium alloy, titanium, titanium alloy, alloy welding, titanium alloy welding, weld
brittleness, weld structure, weld ductility, weld property
ABSTRACT: The reasons for the decrease In ductility of welds performed. by electroslag
welding of VT6 titanium alloy have been investigated by determining changes in micro-
structure and microhardness and by local spectrat analysis. It was concluded that the
main reason is the 0-7-1-0% higber'acneentration, of vmuuUxn in the grain .boLmit.-
ax-les of the welded zone tbmn in the im1d) the inenumse.in concem:Wraticn was
proved by uiing a mass spectrometer. The concentration mrau found to bo related to the
o of cooling of the weld. At cooling rates not lower than 4. 6 degrees/second, mini lum.
at
r
concentration results. It is concluded that the concentratim, in the b=dx-ries. at tempera-
tures below the melting point proceeds with maximum intensity at 1200-1260 C, which
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ACCESSION NR: AP4002090
corresponds to the temperature ranges at which the diffusion mobility of the vanadium
atoms is relatively high. Orig. arL-has: 9 figures and 4 tables.
ASSOCIATION: Institut elektroovarld im. Ye. 0. Patons, Ali SM (sloatric WAIng
institute)
SUBMITTED: 05Feb63 DATE ACQ: 03JanG4 ENCL: 00
SUB CODE: MU MA NO REP SOV: 011 VrHER: 002
Card ?/2

DID Ko wS I,
/Shielded I atiatenitic 1818 it in argon it-.
mosphere. ndreze Didicawski and Julian Kieraudd.
PM119d. Sto. =W--
.proputies of austenitic steeMM were bAA-y described.
and diffictilties In obtaining a well-maile weld 11oint were out-
Hued. By Ciffs welding defects were likely, to occur be-
cause of comparatively low intensity of Mill , then are
alsoyossibilities of Ice Ing Q, compds. wlth~-19 or C. 'ro
I U_ elects shielded a-m-weliling In Ar was rw*m-
Avoid new d
mended, and the advantages thereof were discussed. It
'was possible to ap ber ap-ed of we1dtng,'NmIt the bait.
jXly
affected zone, an clim note h1gh welding stitsm and dis-
torsions. The conditions which Ar should meet to be suitable,
for shielded arc-welding were discussed. The addu. of N
and 0 should be limited to 18 and 0.2%. resp. Water vapor
could be present only as a trace. T%eq#fpwex1fvrpurj[~ixI
of Ar was described. T'ho 0 viss sepd. by reaction with (~i
f4welilps at elevated temp. For Ar drying 911ca gel and cryst.~
r _KOH were used. W. TOWAM=wl~,

P/008/6 1/000/009/003/004
D21 Q1/D304
AUTHORS: Didkowski, Andrze~, and Kieron'ski, Julian,
9_ng-ine erd-':--'
TITLE: Gas-shielded are welding
PE'RIODICAL: Technika lotnicza, no. 9, 1961, 204-210
TEXT: This article reviews gas shielded arx welding technology
and comments on its merits. The source of heat in the above-
mentioned method is an electric arc between the welded obiect
and an electrode which is made of either non-melting or melting
material. The electrode made of non-melting material is exten-
sively used in welding thin walled elements and is primarily
discussed in the article. The arc and its vicinity are shielded
by inert gases (argon, helium) or carbon dioxide and to lesser
extent by nitrogen. The shielding gases are blown from the
handle, or when welding elements of complicated shapes or high
oxygen affinity (e.g. titanium and its alloys) the welding is
done in chambers filled with the shielding gases. The welding
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2/00ti/6 1 /000/UO9/003//004
G,t,.1-:;hi;2Jdod ;,.r(! weldiriL, D2 1 9/D304
stand consists of 1) welding apparatus, 2) weldin- handle, 3)
bottle containing shielding gas, 4) gas pressure reducing me-
chanism.. 5) valve regulating gas flow. For welding steel dc, is
suited best. For light alloys, high frequence a,c, Welding hand-
les used. for thick elements, output larger than 120 A, are water
cooled. After switching off the current, the shielding gas should
flow a while longer; this prevents the oxidization of the elec-
trode ending and the weld itself. For aluminum welding the appa-
ratus should be fitted with a condenser or at least a resistance
to counteract the rectifying effect of the arc, The welding pro-
cess should be adjusted to the optimum conditions (voltage, size
of electrode, gas outlet and gas output and speed of welding)
according to material, shape to be welded and thickness. The
authors follow with a brief description of the welding technique
and correct procedure. The main merits of are welding in gas
shield are the possibility of welding thin walled elements, al-
loys of aluminum, magnesium and titanium, corrective welding of
assembled elements, elimination of fusing materials from the
process, clean appearance and good mechanical and anti-corrosive
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P/OOE3/61/000/009/003/004
Gas-shielded arc welding D219/D304
properties of the weld, simplicity of the process and the possi-
bility of making it automatic. The above points are enlarged
and comments are made on the superiority of the method, as com-
pared to other welding processes. The handicaps are the high
price of pure shielding gases and the tungsten electrode, the
need for thoroughly cleaning the edges and fitting of the welded
elements. Then the authors discuss welding of steels. After
pointing out the difficulties of gas welding, such as cracks,
oxidization, deformation, carbonization in the welding of aste-
nitic and nickel chromium steel, the authors say that they can
be eliminated by using gas shielded are welding. In tables they
give welding parameters for steel gap welding, joint efficiencies
and resistance to corrosion respectively for steel 1H18N9T, for
gas-shielded arc welds and for acetylene and unshielded arc
welds. Graphs give the mechanical properties of welded and ori-
ginal material for steels 1H18NqT and H20N80T respectively.
In welding of stainless steels, the mechanical properties are
shown.; the advantages of gas-shielded welding are the elimina-
tion of cracks, formed by other methods of welding. In welding
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P/008/61/000/009/003/004
Gas-shielded arc welding D219/D304
light alloys, gas-shielded are welding is particularly advan-
tageous as the aluminum oxides present no problem here and it is
possible to obtain efficient joints for concave sections. The
above method is also the only one for welding, It is also used
for welding aluminum castings and magnesium and its alloys.
There are 8 figures and 8 tables.
Card 4/4

DIDKOWSKI, Andrzej, inz.; KIER-ONSKI, Julian,..inz.
Deformations in argon shielded are velding. Przegl spaw 13 no.10:
275-278 161.

DEDMANEDZR. E.A.---. --
Materialn on the study of Lopidoptere in the Lagodekhl State
Preserve. Soob. AN Ormc. SSR 20 no. 3:145-351 Mr 158. (MIRA 11:7)
1. legodakhskiy gosudarstvannyy zapovednik. Predstavlono chlenom-
korrespondentom All Grw.,SSR L.P.Xalandadze.
(Ioigodelcid Pros erve--Lep idop tera )

'-M4SANIDZE,_-F,.A.
Sifidy in attraction of ultraviolet lamps for insects. Soob.AH Gruz.
SSR 26 no.1--59-65 Ja 161. (MMA 14:3)
1. AN &uzinskoy SSR9 Gruzinskiy gosudarstvennyy muzey imeni akademika
SO. Dshanashiag Thilisi. Predstavleno chlenom-korrespondentom Akademii
t. P. Kalandadze.
(UltraViolet rays-Physiol4gical effects
(Insects)

22341
S/200/61/000/004/001/005
D228/D305
AUTHORS: Valltsev, V. K., Artamonova, S. M., Didora N. F and
Kravcherd,.o, L. Kh. I
TITIE: Precipitation of elements from fused salts. Report 1.
Precipitation of some elements from fused ammonium
nitrate
PERIODICjU,: Akademiya, nauk SSSR. Sibirskoye otdeleniye. Izvestiya,
no. 4, 1961, 38-42
TEXT: This article reports on an investigation into separating
rare earth metals by means of precipitation of their insoluble
compounds by different precipitants from fused ammonium nitrate.
It is known that rare earth oxides react with fused ammonium nitrate
formine, soluble double nitrates as citted by L. Ordit and Ya. Kleyn-
berg Z Abstracter's note: Names taken from Russian2 (Ref. 1: Nevo-
dnyye rastvoriteli (Non-aqueous Solvents) IL, M. 1955). At high
temperatures double rare earth nitrates react with ammonium sul-
phate at the formation of double rare earth sulphates, e.g. double

22341
S/200/61/000/004/001/005
Precipitation of elements ... D228/D30L
lanthanum sulpahte at 33000 as cited by V. K. Valltsev and V. P.
Kovyrzina (Ref. 4: Izv. SO AN SSSR, No 10, 1960). The same reaction
in fused ammonium nitrate used as a solvent takes place at 1800C.
The use of fused ammonium nitrate allows work at lower temperatures,
mainly at 1800C. The following experiments were conducted: Rare
earth oxides previously ignited to 9000C - La203, Nd203, Er203,
DY203 and alkaline earth oxides - MgO, CaO, Sro, Bao, uranium nit-
rate and thorium. nitrate, were dissolved in fused ammonium nitrate
at a temperature of 1800C concurrently with the formation of soluble
double nitrates. The solubility of double lanthanum nitrate is
6076 by weight. The oxides do not react with fused NH4NO3. The
reactivity of uranium oxide with fused ammonium nitrate is very lCW.
The solution of Th and U was produced as follows: hydrated rdtrates
of U and Th were fused with ammonium nitrate at 25000, twice, to a
dry calce, a part of which (assumed to be double nitrates) was sol-
uble in fused solvent. A precipitant in the form of salt or dis-
solved in fused ammonium nitrate was then added to the solution of
metal nitrates. The precipitate formed was separated from the
Card 2/5

223h1
5/200/61/000/004/f- 0 1/0 0 5
Precipitation of elements... D22Q-/D305
mother-liquor by f iltrati6n (centrif usion could be used instc;/ .
state the authors) and washed with a fused solvent from the
.oj' precipitant, maintaining the tcm-,,perature of lu"00C. Then th:_-
precipitate was analyzed in the case of Lvxioniun sulphatc 2or
ammoniuiii ion and sulphatic ion. The renuits o-" )vccipitatc
-,rc -iven i-,t' tabulated fi_-orTi.
Legend: (1) Results Pe3YjjhTaTI4 XHMH'IeCXOrLO 2"aMa OCRAKOS
of chemical analysis %
of precipitates;
(2) Formula; (3) Con- ,

tent 7-; (4) Calcula-
Xd+a
so-
4
NH
4
0-
4
I
IS +
N
ted; (5) Foun.d
2Nds(SO4)3 3(NH4)2SO4 37'.25 55,78-1 6,07 37.50 55.40 1 7,10
2Erl(SOj)3 5(NH4)2SO4 35.32 -
55.15 9.42 34,62 55,,-,8-l 9,77
A
2La2(SO.j3 3(NH4)IS04 36,39 56,54 7.07 36.97 54 .!K; 8.12
C ard 3/5

Precipitation ot elements...
La2
y (I'FrI4)2 S04, Ammonium oxalate precipitates La, Nd, Dy, Ca, - Mg,
22341
3/200/6 1/0 0 0/004/00 1/0 0-5
D228/D305
Temperature does.not-alter the reaction but it does change the
ratio x- and y in the double lanthanum sulphate - x
(S04)3
Sr, Ba, Thorium. Double thorium oxalatc is *soluble in, the exccss
of precipitant. Uranium under.thcse conditions is not precipitated.
Icali oxalate can be used instead of ammonium oxalate with exactly
the same results. Time of precipitation varies from immediate to
30 hours for different rare earth metals. The authors conclude that
on the basis of new ideas on the structure of solvents, it may be
suggested that this ratio varies also, depending on the precipitxnt
concentration. The different behavior of rare earth metals during
-precipitation by diff6rent precipitants opens up new possibilities
for their scrparation. There is I table and 6 references: 3 Scviet-
bloc and 3 non-Q,'oviet-blo&. The references to the :Ingli sh-langi-, age
Dublications rc~ad -" as follows: C. Vickery. I. Chem.. 'Joc., 10,
~300 (1949), T. Ilcii-e-r, D-- -Aftandilian. Inor,-. -syntheses, 5, 37
(1957), D. I.,. Gruen. i. 'Inorg. Nucl.. Cheta. Soc.,4, 1, 74 (1937)
,,6S(.CIAUION: Insti-Lut neorganicheskoy 1-.himii L;ib-rs'-,-o-o otdeleniya
Q
('.q r C- 1,15

22341
S/200/61/000/004/001/005
Precipitation of elements ... D228/D305
AN SSSR, Novosibirsk (Institute of Inor anic ChemistrV,
Siberian Division, AS USSR, Novosibirsk~
SUBMITTED: July 19, 1960
1
Card 5/5

KUMLITSOV, F.A.; DIDORA, N.F.; CHUSOVA, T.P.; ART9401;0II.A.,
Mectrode function of the carbon oxide electrode H70 - I -:,u)
- 3 .1 -
in chloride melts containing trivalent neodymi-Luri chlorlde. Lw.
SO All SSSR no.7 Ser. khim. nauk no-12-'10-14 164 (IMIRA ",8:1)
1. Institut neorganicheskoy khimii Sibirskogo ot-Jeleni~-, Q-.
SSSR., Novosibirsk.

DIDORENKO, 1.
Some remarks on textbooks on the thooretioal principles of electrical
engineering, Blek-tr1oheetvo no.3.84 W 165-
(MIRA 18-.6)
1. Luganskiy mashinostroitelln7y institut.

DIDORENKO, I.A., inshener.
'General electrical engineering*. [preifessorl S.A.Press, ad.
Reviewed by I.A.Didoranko. Elaktrichent-vo no.3:72 Mr '54. (MLRA 7:4)
1. Voroshilovogradaki.y mashiuostroitelluyy Institut (for Didorenko).
(Ilsotrio engineering)

DIDORENKO) ImA*
Double-Collector frequency changer. Trudy LVIII 1:11!7-119 t6,2
( m I r"I a -1 -. -" )
Collector frequency changer with multiple winding, IbI,,-1.:
120-327

04.1!~ )
I
DIDGMUM0 P. P. Cand of Med Sc 'I). "Eanervation of the Human and Animal Larynx,"
Odessa,, 1959, U pp (Odessa State Mudical Institute im N. I. Pirogov) M, 7-6o, uo)

R L-
110-10-9/18
AUTHOR: Didorenk-o, I.A., Engineer and Kovtun, I.M., Candidate of
Te ennical-ac-i-en-be s.
TITIZ.- Extension of the Sparkless Zine of Commutation of d.c.
Machines. (Rasshireniye bezyskrovoy zony komm-utatsii
elektricheskikh mashin pcEtoyannogo toka)
PERIODICAL: Vestnik Elektropromyshlennosti, 1957, Vol.28 No.10,
pp. 47 - 48 ~USSR)
AB6TRACT: In machines operating under sudden changes of load,
problems of commutation are not yet resolved either in theory
or in practice. The problem is becoming particularly important
in view of plans for widespread electrification of the rail-
ways. Commutation is bad when the load changes suddenly bec-
ause there is no compensation of the reactive e.m.f. of the
inter-poles. Sparkless operation of a machine may be cbarac-
terised by the area of the zone of sparkless comiutationl
which it is therefore very desirable to extend. The wticle
describes verification of a new method of improving commutation
by including semi-conductor rectifiers between parallel
sections of a brush. In this way, it is possible to extend
the sparkless zone by a factor of 1.5 - 2. The article gives
the results of tests made on four machines of different size
Uard 1/3 and in all cases the test results were in quantitative agreement.

110-10-913B
Extension of the Sparkless Zone of uommutation of d.c. Machines.
Uurves taken without a rectifier tire given in Fig. 1, whilst
Figs. 2 and 3 show curves using a rectifier on a d.c. machine
of 3 kW and 110 V manufactured in the Volta factory. When test-
ing the machines without a rectifier the additional brush was
connected to the main one so that the total brush width was the
same in both cases. The machine was tested as a generator with
shunt field at mted sDeed. It is concluded that the improvelfic_nt
of commutation by means of semi-conductors is worth attention.
The methods should be most effective in a.c. commutator machines
where, because of the presence of a transformer e.m.f. in.the
commutatins sections, the uncompensated e.m.f. is greater and
current rectification should improve matters appreciably. The
magnitude of the uncompensated e.m.f. is relatively small and
the rectified properties of selenium recti:Ders are not so good
at low voltages. Therefore, a still greater effect is to be
expected if use is made of rectifiers that operate well at low
voltage. This method of improving the commutation is easy to
carry out particularly if use is made of small-sized germanium
rectifiers which can easily be built into the machine or direc-.
tly into a cut in the brush.
Uard 2/3 There are 3 figures.

110-10-9/18
Extension of the Sparkless Zone of Com-autation of d.c. Machines.
ASSOCIATION: The Voroshilovgrad Evening Engineering Institute
(Voroshilovgradsld.y Vecherniy Niashinostroitelnyy
Institut)
The KhaAov Polytechnic4 Institute (KhaAovskiy
Politekhnicheskiy Institut)
SUBMITTED: June 29, 1957.
AVAILABLE: Library of Congress
Uard 3/3

BURHISTORV, V.R.. IDIDORENKO 11,,A.
I. I
Characteristics of a pile-up pulse spectrometer. Izv. AN
Kazakh. SSR. Ser. fiz.--mat. nauk no. 2-.52--57 163.
(MIRA 17:6)

Dlrv-V, F. V.
21666 DIDUV,_ 0 rasciletii balok na i-lprug:U:h
elektromekhan. in-ta in"'henerov --h.-d.
v~r,,. 58, 1949, s. 99-11-0.
SO: Letopiul Zhurnallukh Statey., Fo.
oporakch. Trud~r Yosk.
transporta i:,-,. D:,,erz!-.!=kZ)f'o
29, Moskva, 1~1+9

124-57-1-14'!54
Translation from: Referativnyy zhurnal, Mekhanika, 1957, Nr 1, p 172 (USSR)
AUTHOR: D i d o V,' B. V.. ~
TITLE: Forces Acting During the Shrink Fitting of a Tire on a Wheel
(Usiliya v bandazhe pri goryacbey nasadke na kolesnyy tsentr)
PERIODICAL: Tr. Mosk. in-ta inzh. zh. -d. transp. , 1955, Nr 82/3, pp 120-1 *33
ABSTRACT: An approximate calculation of the forces arising during the
force fitting of a tire on a wheel consisting of a rim, spokes, and
a hub is set forth. The connection between the tire and the rim
following the fitting are stimulated by means of springs which
connect their axes and are directed along the normals to the rim;
the interaction forces between them are represented in the form
of the normal reactions of an elastic foundation of the Zimmerman-
-Winkler type. The rim and the tire are considered as curvilinear
beams of small curvature on an elastic foundation. A numerical
example is shown. The initial assumption relative to the coeffi-
cient of rigidity k (formula 3), the magnitude of which is not
substantiated, leaves room for doubt.
1. Shrink fit t in.as--.S `Uresoes- -11a theinat ic al analysis 2. Shrink fi-6tings
Card 1 /1 --Stresses--Tbeory 3. 't'irez3--Shrink fl*Ltin7~ 1). B. Vaynberg
--Stress analysis

PAR OV, A.V., prof., doktor tekhn.nauk; MITRC(POLISKIT, Y.H.p profoo ,
dokt.tekhn.nauk-, SHPIRO, G.S., kand. tekhn. nauk;_ DINT,-. Pjp. prof..
reteenzent; BTGHKOT, P.G., dotsent, retacinzent; ITSKOVICH, G.H.,
nauchnyy red.; ANOSHINA, K.I.. redoizd-vet; TITOVA, L.L., tekhn.
red.
[Strength of materials) Soprotivlenle ma terialov. Moskva, Gos.
izd-vo 01yealmia shkolas' 1959. 741 pig) (MnU 13:4)
(Strength of materia

DIDOV, B.V.1 doktor tekhn.nauk, prof.
Design of three-dimengional frames. Ucb.zap. VZ11T no.13:
36-44 164. (MIRA 19: 1)

DIDD17.9 D.- and PETROVICH, S.
"Atopdc Energy and Its Use.," lkl-ilitar~,- Nblishing 11-olise., 1954

DIDOV, V.Ya., inzh.; YAROKHNO, V.I., inzh.; SDERUK:HIN, L.N., inzh.
~ ~ :.11v sing centrifuges for the production of reinforced concretoe-
shells with a 2m. diameter. Trans. stroi. 13 no.8:22-24
Ag 163. (MIRA 17:2)

USSR/Medicine Veterinary, Organization
Card 1/2
Author *Didovets, S., and **Satsyuk, B.
Title Veterinary care in animal husbandry in the Ukrainian SSR under the
new organizational setup
Periodical Veterinariya, 31, 13-17, May 54
Abstract The purpose of veterinary-service reorganization is to assure constant
flow of fodder to livestock raising farms. Unaer the new set up the
machine-tractor station (MTS) plays an increased role, serving not on:,-y
as fodder supply base, but also as a base of operations for zootechni--
cians and other specialists. A network of MTS veterinary districts and
veterinary posts have been organized in the Ukrainian SSR; there are
now 4,200 such districts and posts within the republic. There are also
in the Ukrainian SSR 770 rayon veterinary hospitals organized within
the 25 oblasts of the republic, 200 veterina-ry bacteriological labs,
and 400 meat inspection stations. The Ukrainian Institute of Experi-
mental Veterinary Science is functioning as 'oefore: it is the only
scientific-research veterinary experimental establishment In the re-
public.

DIDOVIT39 A R
Forty. years of vaterimary, medicine in -the Ukraine. Tiaterinaftift 34
no,10:16-24 0 157. (KM 10: 11)
1. Nachallnik Upravleniya veterinarii Ministeirstva sellskago kho-
z,vaystva USSR.
(Ukraine--Veterinary medicine)

DIDOVICTS, S.R.
Preparation of fodder antibiotics under local conditions. Yeter-
inariia 36 no.11:55-4;2 N 159 (KIRA 13:3)
1. Natchallnik veterinarnogo-apravleniya Ministeratva sellakogo
khozyaystva USSR.
(Antibiotics) (Feeding and feeding stuffs)

DIDOVETS; S. E.
"About the foot-and-mouth disease as zooncisious disease,"
Veterinariya, Vol. 37, No. 2, 196o, p. 10 16
(DIDOVETS, S. R.) - Nachallnik Veterinarnogo Upravlenniya, Min. sellskogo
Khozyaistva Ukr SSR.

BONDARENKO, G.F., otv. red.;'R , red.; MUCHNIK, S.R.,prof.fred.;
PUCHKOIISKAYA, N.A.,prof.,red.; SHULYTDIOVA, Ye. S. prof... red.;
DOBRZHANSKIY., V.N., red.; LAPCHENKO, Ye.P., tekhn. red.
[Tissue preparations in anumal husbandry]Tkanevye preparaty v
zhivotnovodstve; materialy. Kiev, Gossellkhozizdat USSR, 1962.
235 P. (MIRA 16:211
1. Nauchno-proizvodstvennaya konferentsiya po primeneniyu tka-
nevykh preparatov po, V.P.Filatovu v zhivotnovodstve i veteri-
narii, Odessa, 1960. 2. Chlen-korrespondent Akademii meditsin-
skikh nauk SSSR , Ukraisnkiy nauchno-issledovatellskiy eksperi-
mentallnyy institut glaznykh bolezney i tkanevoy terapii im.
akad. V.P.Filatova (for Puchkovskaya). 3. Ukrainskiy nauchno-
issledovatellskiy eksperimentallnyy institut glaznykh bolezney
i tkanevoy terapii im. akad. V.P.Filatova (for Muchnik).
4. Odesskiy sellskokhozyaystvennyy institut (for Shulyumova).
5. Nachallnik Upravleniya veterinarii Ministerstva sellskogo
khozyaystva Ukr.SSR (for Didovets).
(Tissue extracts) (Stock and stockbreeding)

DIDCIV-!,*T~~,
In J.'rod"I thro, acide -ot,.: t, 1,
f-Jilinal husbandiry. Vateri-.,,ariia Tl
RL
2. Glaviiyy votarinnrn~7 -,rztL7',l
P.-oizv.)dstva i zagoto!jolc
(i*-.)',- Ij-!Vit-,;kiy).

DZMU4AIDVA, Z.M. I dotsent;
Potentiated anesthesia in gynecological operations.
Med. zhur. 13zb. no,1:20-24 Ja 162. (MIRA 15:3)
1. Iz II akusbersko.-ginekologichoskoy kliniki (zav. - dotpent
Z.M. Dzhamalova) Tashkentskogo instituta -usovorshenstvovaniya.
vrachey.
k OBSTETRICS---SURGMY)
(AMTMSIA IN OBSTETRICS)

DIDOVSKIY, D.Z.; TRAKHWi, A.I.; RYBAYOV, I.P.; KOGITOTITSKTY, I.I., re-
% ~- NADMSKAYA, A.A., tekhnichesldy redaktor
[Work practice of the Karaganda opencut coal mines] Opyt raboty
Karagandinakikh ugollrWkh karlerov. Moskva, Uglstekhizdat, 1954.
66 Pe (KTJtA 8 17)
(Karaganda-Coal mines and mining)

DIDRIKH, A.,. inzh.
From Irkutsk to Yloscow on a "Viatkall motor scooter. Za rul. 21
no.6:27 Ja 163. (NIRA 16:11)
1. Gosudarstvennyy institut pi proyektirovaniyu lesnogo transporta,
Irkutsk.

USSR/General 1'rCbbiiwjo21'Fathology- Neoplasms. U
Abs Jour: Ref Zbur-Diol., No 8, 1958, 37341.
Author Didriulis, A.
Inst
Title A Case of Bronchogenic ("Small") Carcinoma With
Pericardial. and Myocardial Metastases.
Orig Pab: Sveikalos apsauga, 1957, No 9, 47-49-
Abstract: A case of primary bronchial carcinoma, graee III,
with nietastases of the connective tissue of the
mediatinum, regional lymphatic lymph nodes, pericar-
dium, epicardium myocardium, adrenals, kidneys, bone
marrow, right lung pleura. The im,,efliate cause of
death of the patient was fibrino-hemnrrhagic pericarditis
with cardiac tamponnade.
Card 1/1
179

RVAKW'741
'*/ODD/02
study of ver, 6W itevibuiaAM4 ~Oafti of bal6m,"Of7t
physical aw, -;d p a - -allqy- t
ea-s allou ti~ 44 r 3w,
improve thu 17 19,4~kjtfftt, tgjUjUja VM4 J;rt. hto;
SUMI (10
Car
t*tw----M the
I ilaztracturad pars-Atere
awa7sis ewd to
j;r-uph, 10 toxuulaa, 6 table!a.
Twtitu"tv)
JM

, , (Toulngrad)
DIDUKY.-Y~~ ~. ramformatiOn
- -- --, qySte_MS using a zritrix t
,~-D 163.
contnal
tidy of aut-ollatic
Telkh, kib. no.6t8q-92
31,
'. tx S3!;R.
t" 'ITYLIUUQ is
fl, -I
-
1 .1-1tj*, 17-~4)
rIA

. , , - - - ~, ~ , , ~. t:, . ~ ,
I-
--

i, b 2' , n1-66 Q:
,I:P I v I /aIP I kd~NP ~h
dV
R ~/&P 11
AM6 8 GD/Pocoooi'651000/000/0046/01353 1
UR
AUTHOR: Diduk, G. A.; Yesipov, V.jM., 62-1
G, I
ORG: none
!TITLX: Investigation of linear- stationary-@ yetem dynamics not requiring the-l**'.r
setting up of the characteristic polynomial
SOURCE: AN WPSR. Inatitut alektromekhanild. Avtomaticheakiye i
teleinformatsionnyye sistemy (Automatic and teleinformation systems). Moscow,
Izd-vo Naulat, V165, 46-53
10PIC TAGS: automatic control, automatic control system, automatic control
theory, power system stability
'ABSTRACT: V, 1, Zubov suggested a new numerical solution of the stability
.problem which does not require setting up the characteristic polynomial
:("Mathentatic methods of investigati ng automatic control systems." Sudpromgiz,
L. 1959 a, "Cycling in nonlinear and controlled systemis, Sudpromgiz, L. 1962).~
!Card_1/2

L 42201-66
'ACC NR: AT60089ZI
iThis article presents a further development of Out Zubov method. Let the
behavior of an automatic control a t m b described by dx/dt a Ax, where A is
:the matrix of coefficients of the _nt rdX-r~system and x is a single-column matrix
The characteriotic determinant of the above
with elements. Nt. XSP ..**# x
I n
;equation in: lit_Xffj=O, where E is the unit matrix. 'Me determinant in trans-
The trUnsformed matrix of coefficients
lormed into: iB_Pui=O, where P=,-
B can be written in either of two forms: B=E'+2(A-W The automatic control
B = N - 2 (E - A)Y41.
'system will be asymptotically stable if any norm of matrix B is less than unity:
The above method was tested in calculating the static stability of the I
lVolga-GES Moscow power transmission line on a digital computer. Orig. art.
i
!has: Z figures and Z9 fornmlaso
'SU.B CODE: 13, 09 SUBM DATE: 14Jul65 if ORIG REF: 004 OTH ]REIF: 001
0-
I
'C*rd.Z/Z

Z 422204)6 EWT(d)/EW(v)/&-IP(k)/E',,Il(h)/],;,.T(l) GD/,DG
,1ACC NR: AT600892Z SOURCE CODE: UR/oOOO/65/000/000/0054/0061
AUTHOR: Diduk, G. A.1 Yesigov, V. M.
--=. - I I I M, T~ -_-
i
ORG: none
TITLE: Methods for approaching boundary and construction of stability regions of'
1 multidimensional automatic systems 9n a digital computer
SOURCE: AN SSS.R. Institut elekt-mekhaniki. Avtomaticheskiye t
teleinformatsionnyye sistemy (Automatic and teleinformation systems). Moscow,
Izd-vo Nauka, 1965, 54-61
TOPIC TAGS: automatic control, automatic control system, automatic control ii
Aheory
ABSTRACT: Some methods of directional search are discussed which can be used;
for conatructinj the stability region in a permissible parameter space and foi,
Jsolating a subregion having specified qualitative characteristics. The ma3dnwm
eigen-value
of matrix B is recommended as a quantitative measure of
.Card I /Z

L It2220-66
,ACC NR: AT6008922
--!
01
stability; the matrix B to given by: B=R--72(R-~-Ar, where E in'the unit matrix
!and A is the matrix of the coefficients of the automatic control system in question.!'
!Gradient methods, and particularly the titeepest descent method, etre recom-
;mended for minimization of the function2a G of the parameter space.
The algorithm of tracking the region boundary describes a motion along the sides
'of a square. The above approaches were tested in studying the automatic excita-
ition system of synchronous generators at the Volga-GES power station connected
via a transnAmsion line to an infinite -power line (the Moscow' power system).
Orig. art. has: 2 figures and'22 formulas.
SUB CODE: 13) 09 / SUBM DATE: 14JuI65 ORIG REF: 006 OTH REF: 00 1
~-.Card. 20.

NRs AR6024029 SOURCE CODEt URi
AUTHOR: Diduk, G. A.; Yealpov, V. M.
Tff LE: A method for the investigation, of the dynamics of linear Ld~a~ a rateme V*t
,'connected with the establishment of the, characteristic polynomial
SOURCE: Reff rk. Matematika. Abs. 4B204
REP SOURCE: Sb. Avtomat. I teleinfor7n. siBtemy. M. - L., Nauka, 1965, 46-53
TOPIC TAGS: contral system stability. automatic control, "stem, linear system, digital
computer
ABSTRACT: The development of a method for the estimate of the stability of automatic sYs-
tems whose dynamics to described by the equation dx/dt = Ax Pnd not connected Yrith the es-
tablishment of the characteristic polynomial has been Investigated. The ideas for the estimate
of stability directly from the original matrix of the coefficlent A are presented, On the basis
of the propmed criteria the authors solve the problem of the synthesip of multidimeneional sys- -
tems. The particular case of the solution of the problem where the system under Wee" (M
Is subjected to inore stringent requirements with regWrds to pceoible oscillations is beiniot
Yestipted. It is noted that the presented approach wwo tested an digital computers during the

ACC NR, AR6024029

3(5) sov/99-59-7-7/9
AUTHOR: Didukh, B. I., Engineer
TITLE: Selection of Compactin~g Plate Parameters for Stabilizing
Bound Soils of Natural Formations
PERIODM-E: Gidrotelchnilca i Meliorzatsiya, 1959, Nr 7, pp 45-49 (USSR)
ABSTRACT: The process of stabilization of soils by mean--. (if com-
pacting plates comes more and more into general usc in
h-,,,drotechnics, road-building and other j.-ranches of cn-
gineering. On the bas:;s of extensive research conducted
at the 'Moscow.- Power 'jistitute, the author has cal-
culatec] the most tavorable ratio between the compacti-ag
plate parameters, which al).ow the maximum efficiericy in
the performance of the compacting plates. Under the
word "Parameters" are assumed the following values: 1)
The weight of the plate - Q; 2) The width of its base
- B; 3) The height of fall - H; 4) The number of strol.-l-es
- n. It has to be noted, however, that the same effect
(the depth of stabilization) can be obtained by using
compacting plates with different ratios between the
Card 1/3 values Q, B. 11 and n. Namely, it depends on the kind

SOV/99-59-7-7/9
Selection of Compacting Plate Parameters for Stabilizing Bound Soils
of Natural Formations
of ground to be stabilized, as well as on whether the
ground consists of stre~-jm layers (as encountered in road-
building) or is of natural formation. In the first in-
stance, the stabilizing process is applied to the loose
layers of material placed UPOTI an already compactc6,
low comprensible bed. lit the second case, the problem
is to extend the ground. co-mpactness into the depth. The
depth of compaction is one of the most important fea-
tures of the stabilizing effect attained. It is dcter-
mined in vertical-direction and should amount to a cer-
tain precalculated value. The tests with the compacting
plate constructed according to a formula suggested by
the author were carried out.on loess ground of natural
formation, on the occasion of buildinr; the canal of the
Chir-Yurtskaya GES , where-as thc ground compacting was
accomplished not only on the cenal bottom, but also on.
its walls. The weight of the compactinc plate was 5
0
Card 2/3 tons, its base 1.5 m, and the number of strokes - 8-

OvV/99-59-7-7/9
Selection of Compacting Plate Parameters for Stabilizing Bound Soils
of Natural Formations
There are 2 graphs,.2 tables, 1 diagram Lind 8 Soviet
references.
ASSOCLUION: Moskovsk' ellorgeticheskiy institut (Moscow Power
ly
111stitute)
Card 3/3

VOSHCHININ, N.P., kand. tekhn, nauk.;DIIVP~, -B. I., Inzh.
~~ichine for tamping the bottoms tind slopes of canals. Strol. i
dor. mashinostr. 4 no.11:20-21 N '59 (MIRA 13:3)
(Canals) (Soil stabilization)

SHEKHTER, O.Ya.; IOSEIZVICHq V.A.; KRYZHANOVSKIY, A.L.
Book reviews and bibliography.. Osn., fund.i makh.grun. 4
no.2:31-32 162. (MIRA 15:8)
(Bibliography-Soil mechanics)

DIDUKH, B.I.
Dynamic interaction of a ramming plate with the soil compacted by
it. Inzh.-fiz. zhur. 5 no.2:58-.63 F '62. (KIRA 15:1)
1. Inzhenerno-stroitellnyy institut, Moskva.
(Soil stabilization) (Strains and stresses)

DIDUKH, B.I.
Experimental determination of the relation of the density of
loeas soil to stress under impact,, Osn., fund. i mekh. grim. 5
no.1113-14 163. (MIRA 16: 5)
(Loess) (Soil mechanics)

D MUM I B.I.; IOSELBVICH, V.A.
Description of the deformations of ground samples by
P
various deformation theories. 09n., rund. I mekh.gran.
8 no.10-6 166. (MITRA 19:1)

L -67
.Pgtln~b ip(t)/ETI IJF(C) ii)
AR6031901 SOURCEV CODE.- UR/0058/66/000/006/EI39/EI39
A UTHOR:* Didukh, L. D.; Stasyuk, 1. V.
TITLE: Indirect exchange interaction through polar excitation in fdridnifignets
SOURCE: Ref. zh. Flzika, Abs. 6E1079
REF SOURCM: Visnyk LIvIvalk. un-tu. Ser. fiz., no. 2, 1965, 14-18
TOPIC TAGS: electron interaction, electron spin, antiferromagnetism,
transition metal
~et s\
ABSTRACT: It Is shown that indirect exchange interaction in ferroma e s con.-
tributes.to an antiferromagnetic ordering of spins. It is pointed out that exchange
OfA
interaction this kind explains the antiferromagnetism f some transition metal
alloys. [Translation of abstract]
SUB COI:.-E: 09, 20/
Card 1/1

L 0-7106-57 EW'r (1
kd~ NR, kP6029098
SOURCE COM UR/004s/6G/030/006/oql5/o9,,jo
,3
AUTHOR: Didukh, L.D., Stasyluk, I.V.
ORG: Physics Department, Llvov State University (Fizicheskiy fakulttet Lovovskogo
gosudarstvennogo universiteta)
TITIX: Contribution to the theory of exchange interactions in antiferromagnets taking
polar excitations into account JR-eport, All-Union Conference on the Physics of Forro-
and Antiferromagnetism, hold 2-7 July 1965 in SverdlovsV
ISOURCE: AN SSSR. Izvestiyn. Seriya fi.,icheskaya, v. 30, no. 6, 1966, 914-920
ITOPIC TAGS, spin wave, antiterromagnotism, olectron. interactionv exchange interactions!,
temperature dependence
ABSTRAM, The authors calculate the energy spectrum of the..spin'wnves in an anti-
ferromagnet consisting of two ferromagnetic sublattices with opposite polarizations,
having one s electron, at each lattice site. Direct exchange interaction is neglected,
and the Hamiltonian on which the calculations are based contains only terms repre-
Isenting the energy oT the electron in the s state and the Coulomb energy of two
lelectrons at the some site, and terms involving the transler integrals. This HnmiltonInA
9 subjected to two successive canouical transformations of the type discusaed by
A.Yu.Glauboiman and I.V.Stitsy-uk (.-Ijkr.fiz. zh., 9, 3 (1964)) Pnd with the aid of seyeral-
siaplifying assumptions, including the assumption that the ratio of the trousfer into-
Co

L n7l06-67
NR: AP6(
C;Z
gral to the Coulomb energy is small, it is expressed in terms of the known delocaliz-
ation superexchange integral of P.W.Anderson (Phys, Rev., 115, 2 (1959)) and creation
and destruction operators for holes, pairs, and magnons,~.Froa this Hamiltonian the sp
wave energy spectrum is derived by a Green's function technique; it is found to be
temperature dependent. The authors thank A.Yu.Glauberman and AOM,Muzychuk f r valuab
remnrks cmd discussions. Orige art. has; 29 formulas.
SUB CODR: 20
2/2 )411,1
BUBM DATE: so ORIG. RHF: 008 OM REF: 003

KARTASHEVA, V.N.; KOSTYUKOVA, ---
Study of histoohemical and ITtmunological changes in the
body of guinea pigs following immunization with diphtheria
anatoxin. Zhur. mikroblol., epid. i Lonnin. 40 no.3-34-39
Mr 163. (MIRA 17'.'2)
1. Iz Moskovskogo instituta vaktain i syTorotok imeni
Mechnikova.

L 3.396.& IWT(1)/EWA(J,)/Wk(b)Z IN
017436 6"
UR 0248AWO
MMESMN M: AP5 P/ Wo67/00 1 00
i 10"616.927.7-092.9 -e"
' MOR: Rukhadze E, Z,, Pr nap S.; Didu'khp No Se3
TITLE: Reproducing an experimental aratllhoid (Brdslau) bacteriapo:"
P
carrier state in rabbits
.SOURCE: AMN SSSR. Vestnik, no. 7s 1965p 61-66
TOPIC TAGS: experiment animalp intestinal diseasev bacterial.
disease, baoteriap blood, morphology
A13STRACT: In a series of experiments chinchilla rabbits (1-5-2 kg)
were infected perorally with S, tM& rima (2,5-9 bacteria/1% dose)
.acbrdnistered together with milk ~Vm1)';h1ii7-4-nduce a paratyphoid
bacteria carrier state. Bacteriological, immunological" serological,
and morphological indices were determined to confirm the presence of
'paratTphoid, In experimental animals the infectious process was
characterized by fever and weight loss and in some eases anorOXiEL and
diarrhea developed, Starting with the 10th to 14th days the 0- and
11--agglutinin titers rose significantly. The causative agent was
'found in animal feces and in organs of killed animals. Morphological
Card 1A!

1396-66
'ACCESSION NR: AP5017436----~-
'Investigations revealed specific changes charapterized by hyperplasia
.aryl necrosis of lymphoid tissue (Peyer.'s patch6s) and necrotic foei.
lin the liver and kidneys, These various'.indioes demonstrate that a
,pax-atyphoid carrier state can be successfully induced in animals.
:Urige art. has: 1 figure mid 1 table.
ASSOCIATION: Tsentrall nyy nauchno-issledovatellskiy Institut
:epidemiologii Ministerstva sdravokhraneniya SSSR,,, Moscow (Central
-Zelentific-Repearch Institute of Epidemiology of the Minist-ry-of
F-ealth,SSS )-gF- Mosko,skly nauchno-issledovateltakiy institutA
-7v sin i syvorotok im. -L I. -Mechnikova Minister stva - zdravookhraneiiiya
!,RS13R (Moscow Saientiflo-R's)arRh Institute of Vaccines and Serums of
the Mi ts
SUB CODE: TZ
,MITTED: mpr65~ KRCL: 00
REF SOV:. 000 (yam: 000
Card

DIDUKH, Yuriy losifovich; KUTIIN, Aleksandr Ivanovich;
-- --- ---,KAMTTN'SrM-,-
[Experience in operating the control apparatus of mercury
rectifiers] Opyt ekspiuatatsii apparatury rezhimnoi avto-
matiki rtutnykh vypriainitelei. Mioskva, I-.d-vo "Energiia,"
1.96J,. 63 P. (Biblioteka elektromontera, no.119)
(IAIUI 17-5)

DIDULICA., S.
"Sokolje Power Plant" p. 19. (Elckt )rivreda Vol. 6. no. 1, Jaa/Feb. 1953., Beograd)
East European Vol. 2, No. 9
SO: Monthly List of/Xmnd3m Acces-sionsAibrary of Congress,
1953, Uricl.

.1
DIDUR., M. Ye.
- --- _,-.---,(Vinnitsa, ul. Podlesnaya, d. 12)
Study of leueocytosis in the Zakharin-.Head zones in peptic ulcer
of the stomach and duodenum and in cancer of the stonach. Nov.
khir. arkh. no.2:71-72 162. (MIRA 15:2)
1. Kafedra obshchey kbirurgii (zav. - Prof. A. P. Yurikhin)
Vinnitskogo meditsinskogo instituta.
(PEPTIC MZER) (ST%IACH--CANCER) (LEUCOCYTOSIS)

BURYY, Z.P.; DIDUR, V.T. imah.-konstruktor
Machine for vinelird protection. Zashch. rast. ot vred. i
bol. 6 no.10:26 0 161. (MIRA 16:6)
1. IficUilnik Wela wimdachno-gerbitsiftykh mashin Gosudarst-
vennogo seri~-no-konstrqktorekogo byur-o Llvovskogo soveta
naro-dfi6ge'khozyay6tva-(for BurY7). 2. Gosudarstvannoye
serivnow-k6natruktorsk byuro Llvove;kogo soveta narodnogo
lchozyaystva (for DidurT.
(Gi-aiDes-Diseases and posts)
(Spraying and dusting equipment)

DIDUR,,.Y,,T,., inzh.
The modernized OV-3A vineyard spra,ver. Trakt, i sellkhozmaish.
33 no..9:37 S 163.. (MIRA 16:10)
1. Gosudarstvennoye spetalallnoye konstruktorskoye byuro
po maehinam dlya khimicheskoy zashchity rasteniy.
(Spraylng and dusting equipment)

DIDURAVY.I.; ROZANOV, N.M.
Prospects of searching for gas and (,J ! In the r(,giur, of ~kj-,e 1,,aryr,
monocline. Neftegaz.geol. I geofiz. no.12:10-13 164.
WTFA 18-3)
1. Vsesoyuznyy muchno-issJedovatA)j'.--~y
neftyanoy institut, Moskva. . y

j c6ijt~e,, A'o A /-I
US."19/Soil Science - Genesis and Geor-rcnhy of Soils.
Abs Jour : Ref nur - Biol., No 3, 1958, 1%r~,4
Author : Lidov, V.111., Didurenko, N.F.
Inst : -
Title : Some Rernrks on the Classification of Washed Out qoils.
Orig Pub : Pochvovedeniye, 1955, No ii, 8o-85
%bstract : The soil erosion indices used in the classifications of
A.S. Kozmenko (1948) and S.V. Naumova (1955) must be
handled ,,i,.h extreme care under cerzain zonal cordlitions
and with certain ty- k,
pes of relief. It is recommena'ed ;;h:-.-c.
the erosion in small channels and /.-razmoiny/ be taken
into consideration and that areas with broken up microre-
lief be distinguished from those where the microrelief
has been smoothed out. A classification of eroded soils
must contain a description of the raiGles of surface
ne as well as indices of the length of the slones. For
successful develoDment of a unified classification of
Card 1/2

I
US�R/Soil Science - Genesis and Geography of Soils. J-2
Abs Jour : Ref Zhur - Biol., No 3, 1958, io464
eroded soils, soil scientists, geomorpholo,-4sts, and
hydrologists must conduct research together toward uni-
fied objectives. This is as im-portant as fixed observa-
tions.
Card 2/2

DIDITSI, V, 1.
"Sclerotiria on TiTrothy," $eLP),tBjjFA i Semenayodst il -4, no 4 /',
_ wo, v, . I . 2 19 '
p. 71. 61.9 se5
SO: SITU -31-010-53, 1.5 Dee 395",

USSR / Geneml BioloC,,,,. Genutics. Pl~,ait Gmctics. B-')
;'.bo Jour zaiur - Biol, No 14, 3.956, no U947
Author Didus
Inst
Title Convarsion of Winter Drop-Wheat intc) Spring Wheat.
Orig Pub A3robiologiya, 1957, No 131-133
Abstract No abctract.
Card 1/1

--s-W If W-W W -P,- W- - - - W -- - - - - --I . .
o goo so 0 0 0 0 0 0 0 0 6 (p 4) 0 0 0646099MVIN-1-1-
0 13 MIS 36VIMP J213 Ids ley line at #I-is 466~V-s
b - 0- A -A-J
A 9 L a L r a k -LI. I-L-AA M --J--L A
Al #04S 16MfIM ..D ..t. ..D so
so
F
00 C!
2882 9AUU "'ATAL171C HYDROCCVM'~ATION OF CAPPON MONOXID-
of 4 i !
il 'NTT-:-. OLE~iRS. 5. MROCONDEAATIOli T CAN:01; V'OhOXII)F wjnl~
go f! PROMENE, ZELINSKII, N".D.0 1)jjjV;-,,TA
P1171TZIVII, K.V.
so v! AND !-AVEY, M.I. (1?,VI,ST. A"D.SCI. USSR S~CT- Trl-:~. 3-1.)
00 a., lpf'o, 64'1-663)o ENparimonts were carried wit
qui-moleoular 0
mixture of H2 and C3H6 1 5.7 to 7*% o1 C0, under t e same
conditions as previouslyl. 85 to 9(,% of 'Ute CM6 reacts, too
35~1 being reduced to C3118 and 6% going to psniaeftLam C4 as*
eel conpounds. Analysen are riven ol* the ~:a,jmouz and liq%iid rvaotio ,J 9*0
so z products. Loquid material (above C4) hav b. p. 3o* to j254C. COs
00
and c~,ntains 36% unubturfteds, proportion ot t ese lattur nos
dvareasim, with rise In 9.P. Examination of' the h-drorenated :800
lijuiAk material showed a-pproximatily 04119L1 amounts (13) of
C15 and C7-9 a-.d A-out 20~ of C6; iao oompaunas were pre3ent
in ttitC5-6 range.' IP
ve*
LITZMAIL41 CLAMPKATICK We a
L
N1,111 Got 0-- all
nt
r Is
U 10 is Ila 11% K a a o 0 0 10
0 00000 0 0 * 0 0 6 go 0 1
a o
0 9 0 0 0 0 0 0 0 0 0 9 0 0 0 Ole o a o o o 0 * 0 0 & 0 0 0 6 4 0 0 0,
00 00

CHUMASOV, S.F., doktor teldhn.nauk, prof.1 TRUSHIN, A.V.p kand.tekhn.nauk.,
dotsent; DIDUSEV, B4A.0 inzh.
Stand for wpar tests of load and lead screws and nuts. Vest.
rmtshino8tr. 45 no.11.135-37 N 165.
(WRA 18:12)

MUSAPIROVA, N.A.; DOSYMBET(YVAt 14.K.; DIDYAYEVAp M.V.
Diagnosis of pathologic changev in the aervix uteri by the
compound method (col.poscopyp cytology# biopsy). Zdravookhr,
Kazakh. 23 no.lt23-2,6 163 (MIRA 17:2)
1. 1. 1z Kamakhskogo instituta onkologil i radiologii.

DM-MA, If- K-
Didych, V. K. "Treatment of prolapse of the rectir., lwy the
method of aponeurotic colopexy." L!vov, St-Ac Fledl.cal
Inst. Llvov, 195L)- (Dissert,,AJou for the Degree of C~ln-
diclate in Yled-ical Science)
So: KnJLzhnayj letopis', No. 2?, 1956. yioscc~,.-. Pac-,es 94-109; 111.

&DYC.q,V.K.
DIDYCGH, V.K. (Llvov, ul, Kharlkovskaya, d. 20, icvo 2)
Treating prolapBe of the rectum by aponeurotic colopsi:y. lov.khir.
arkh. no.2:56-57 Mr-Ap 157. (MLRA 10:8)
1. Kefedre propedevtic'heskoy khirurgii (zav. - prof. G.P.
Kovtynovich) I'vovskogo maditsinskogo institute
(RECTUM-SUGERY)

D IDYCH V.
Fate of an opoaeurosis transplanted to the intestinal vall in an
experiment [with summary in English]. Sksper. khir. 3 rio.1:50-52
J11-Y '58. (MMA 11:2)
1. Iz kafedry obahchey khirurgii. (zav. - prof. G.F.Kovtunovich)
LlvovBkogo ineditSiUBkogo institute.
(11HESTINES, surg.
Implantation of aponeurosis to intestine wall (RuB))
(TENDONS. transplantation
same )