24 Result(s)

Article

Technical solutions on retrofitting TPP-210A boilers for firing low-grade coals with low reaction capacity

Results from development of a conceptual project for retrofitting TPP-210A boilers worked out by specialists of EMAlliance are described. Operation of the TPP-210A boilers installed at the Tripolskaya thermal ...

G. I. Zhukov, V. V. Ivanenko, K. G. Zhukov, P. N. Fedotov in Thermal Engineering (2013)

Article

Development of standardized boilers with a circulating fluidized bed for repowering of TPPs

The current status of circulating fluidized bed (CFB) technology employed at foreign TPPs is briefly analyzed.. It is demonstrated that CFB technology is entirely suitable for the building of 225- and 330-MW u...

G. A. Ryabov, O. M. Folomeev, D. A. Mel’nikov… in Power Technology and Engineering (2011)

Article

Oscillatory motion of coke in deactivated HZSM-5 zeolite

We have observed motion of coke in deactivated HZSM-5 with the displacement vector alternately directed toward the outer surface of the zeolite crystals and into the interior of the zeolite structure. The driv...

K. I. Patrilyak, L. K. Patrilyak, V. V. Ivanenko… in Theoretical and Experimental Chemistry (2010)

Article

A calculation method of energy intensity of brake lining wear as related to temperature

The work presents an analysis of the significance of one of the brake lining parameters, namely the energy intensity of wear. The calculation procedure for variations in the given parameter and wear growth is ...

Yu. A. Golubev, V. V. Ivanenko in Journal of Friction and Wear (2009)

Article

Mechanism for selective para-disproportionation of toluene on pentasil-based catalysts

We propose a bimolecular mechanism for disproportionation of toluene to form benzene and para-xylene via protonation of the toluene molecule at the methyl group, reaction of the carbocation formed with the para p...

Yu. G. Voloshina, L. K. Patrilyak, V. V. Ivanenko… in Theoretical and Experimental Chemistry (2009)

Article

Peculiarities of discontinuous sequential micro-oxidation of coke on zeolite catalysts

Along with oxidation of hydrogen-containing coke structures, we have observed oxidation of compact accumulations of hydrogen-free coke and as a result we can quantitatively differentiate between outer-surface ...

V. V. Ivanenko, Yu. G. Voloshina… in Theoretical and Experimental Chemistry (2009)

Article

Peculiarities of disproportionation of toluene on acidic pentasil zeolites

Two samples of pentasil hydrogen forms were obtained: an ordinary sample and a sample lacking surface acid sites. The samples were tested in the disproportionation of toluene over short and very short periods ...

Yu. G. Voloshina, V. V. Ivanenko, L. K. Patrilyak… in Theoretical and Experimental Chemistry (2009)

Article

Correction for Interelemental Interferences in X-ray Radiometric Analysis

A method for more accurate accounting for interelemental interferences was proposed. For each element within the range 18 < Z < 36, the regularities in the behavior of interference factors were revealed for eight...

V. V. Ivanenko, V. N. Kustov, A. Yu. Metelev… in Journal of Analytical Chemistry (2002)

Article

Using neutron sources for determining fluorine in mineral concentration processes

V. N. Kustov, O. N. Levitskaya, V. V. Ivanenko in Atomic Energy (1993)

Article

Evidence for jurassic tectonism in the Schwarzwald basement (SW Germany) by laser probe⁴⁰Ar/³⁹Ar dating of authigenic K-feldspar

D. F. Mertz, M. I. Karpenko, V. V. Ivanenko, H. J. Lippolt in The Science of Nature (1991)

Article

Nuclear methods of elemental analysis of ocean bottom sediments

Results of development of nuclear-physical research installations and methods of ocean bottom sediments analysis using radionuclide sources of neutron, gamma and X-ray radiations are presented. Practical appli...

V. V. Ivanenko, V. V. Kovalenko… in Journal of Radioanalytical and Nuclear Che… (1991)

Article

Neutron-activation determination of elements with overlap** resonances in neutron-absorption cross sections

V. V. Ivanenko, V. N. Kustov, V. A. Anufriev in Soviet Atomic Energy (1989)

Article

Instrumental neutron activation determination of rare earth, noble and other elements in mineral raw materials of The Socialist Republic of Vietnam

The possibilities of multielement neutron activation analysis of the mineral raw materials of the Socialist Republic of Vietnam, have been studied. Samples were activated by a²⁵²Cf neutron source (yield 4·10⁹ n·s

V. V. Ivanenko, A. Yu. Metelev… in Journal of Radioanalytical and Nuclear Che… (1988)

Article

Neutron-radiation analysis of ferromanganese concretions in the ocean

A. I. Grigor'ev, V. V. Ivanenko, V. N. Kustov in Soviet Atomic Energy (1987)

Article

Study of the conditions of activation with a radionuclide neutron source based on²⁵²Cf

V. N. Kustov, V. V. Ivanenko in Soviet Atomic Energy (1985)

Article

Instrumental neutron activation determination of gold in mineral raw materials using a californium neutron source

A facility using a californium neutron source and a method for the neutron activation analysis of gold were developed. The sensitivity of the determination is 0.1 g/t. The sources of random and systematic erro...

N. A. Shilo, E. G. Ippolitov, V. V. Ivanenko… in Journal of Radioanalytical Chemistry (1983)

Article

Concentration of lodine and bromine by plants in the seas of Japan and Okhotsk

Iodine and bromine content were measured in 24 species of red (Rhodophyta), brown (Phaeophyta) and green (Chlorophyta) seaweeds and 2 species of higher water plants (Embryophyta) from the Sea of Japan, as well...

G. N. Saenko, Y. Y. Kravtsova, V. V. Ivanenko, S. I. Sheludko in Marine Biology (1978)

Article

Properties of seams with electron-beam welding of tubing to tube sheets

As the result of two heat treatments the structural heterogeneity, microhardness gradient in the seam and the base metal, and the residual internal stresses in weldments decreased considerably. The best proper...

Yu. M. Buravlev, V. V. Ivanenko, Z. A. Samoilenko… in Metal Science and Heat Treatment (1978)

Article

Thermal cross sections and resonance integrals of fission and capture of²⁴¹Am,²⁴³Am,²⁴⁵Cm,²⁴⁹Bk, and²⁴⁹Cf

V. D. Gavrilov, V. A. Goncharov, V. V. Ivanenko, V. N. Kustov… in Soviet Atomic Energy (1976)

Article

Effective neutron absorption cross sections for californium, einsteinium, and fermium in the central channel of the SM-2 reactor

V. A. Anufriev, V. D. Gavrilov, Yu. S. Zamyatnin, V. V. Ivanenko in Soviet Atomic Energy (1974)