Перегляд Доповіді НАН України, 2007, № 01 за назвою
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Слесаренко, А.П.; Сафонов, Н.А.
(2007)
The combined usage of R-functions, iterative, structural, and variational methods for solving the direct and inverse non-linear heat transfer problems is proposed. Indeterminate components of the approximate analytical ...
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Ковальова, В.А.; Гавриш, Л.І.; Остапченко, Л.І.
(2007)
The definition of the activity of protein kinases in cytosol of cells of mucosa under different experimental models of stomach ulcer has shown that only the activity of tyrosine kinase is increased. Thus, this enzyme is a ...
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Рильський, О.Ф.; Гвоздяк, П.І.
(2007)
The pigment synthesis loss is observed under influence of heavy metal (HM) ions on bacteria in the hard culture medium. After the recultivation of such bacteria on a medium without HM ions, the pigment synthesis renews. ...
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Михайлов, В.А.
(2007)
Three types of Precambrian greenstone belts — plumtectonic, permobil, and platetectonic — are separated, their properties, which are related to geodynamic conditions of the development of the Earth's crust of the Early ...
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Немчанінова, Т.М.
(2007)
The groups with central cyclic commutant are considered. The finitely generated groups with infinite central cyclic commutant are completely described.
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Забулонов, Ю.Л.; Лисиченко, Г.В.; Макарець, М.В.
(2007)
We propose to use fullerite C60 layers as a sensitive material for chemical detectors of b-particles. A model of the accumulation of new polymeric bonds between molecules and the amorphization of a layer under radiation ...
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Ковалев, А.М.
(2007)
A system of linear differential equations with constant coefficients is transformed to the linear-diagonal form. Explicit formulas of a nonlinear transformation of the Jordan normal form for the linear differential system ...
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Варус, В.І.; Брюзгіна, Т.С.; Белов, О.А.; Соловська, С.С.; Депутат, Ю.М.
(2007)
The changes of the fatty acid composition of lipids of persons' sweat, whose activity is related to a military service, are investigated. The authentic changes are established, which allows ones to use the non-invasive ...
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Фомин, Ю.А.; Демихов, Ю.Н.
(2007)
The C, O isotope composition of carbonates in the gold-bearing amphibol metasomatites have been investigated: δ13C and δ18O (‰) correspondingly for calcite 0...–1.9 and +12.2...+9.0; for dolomite –0.6...+3.3 and +16.4...+9.1. ...
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Чапля, Є.Я.; Чернуха, О.Ю.; Сівак, В.М.
(2007)
For constructing the analytical solutions of contact boundary-value problems of convective diffusion, a method based on the application of integral transformations separately in contacting regions is generalized. The ...
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Огородник, І.В.; Затовський, І.В.; Слободяник, М.С.
(2007)
The crystallization fields and conditions of the formation of complex phosphates have been studied for the flux system K2O–P2O5–TiO2–ZnO. KTi2(PO4)3, KTiOPO4, K2Zn0.5Ti1.5(PO4)3, K1+yZnxTi2–x(PO4)3 (0 ≤ x ≤ 0.5; 0 ≤ y ≤ ...
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Лавренюк, С.П.; Панат, О.Т.
(2007)
The mixed problem for a hyperbolic equation in an unbounded domain with respect to spatial variables is investigated. Conditions that provide the existence and uniqueness of the solution in generalized Lebesgue spaces are ...
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Чикрий, А.А.; Матичин, И.И.
(2007)
Non-homogeneous linear systems of differential equations with classical Riemann-Liouville fractional derivatives, as well as regularized Caputo's fractional derivatives, are considered. Using the Laplace transform, the ...
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Горр, Г.В.; Щетинина, Е.К.
(2007)
The sufficient conditions for the existence of the integrating factor of a system of n differential equations of the rigid body dynamics, which allow n – 3 first integrals and one invariant relation or n – 4 first integrals ...
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Каминский, А.А.; Кипнис, Л.А.; Дудик, М.В.
(2007)
The calculation of an initial pre-fracture zone near the end of a crack in a piecewise homogeneous isotropic elastic body under plane strain by the Wiener-Hopf method is presented. The crack is located at the interface of ...
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Божко, А.Е.; Иванова, З.А.
(2007)
The mathematical substantiation of decreasing the influence of vibrations of a tested object on electrodynamic and electromagnetic benches is given. The structural schemes of benches with compensating feedbacks are shown.
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Лукин, А.Е.
(2007)
The paper deals with the discovery of a natural compоund of calcium and carbon within some specific polymineral aggregates connected with the fast ascending movement of super-deep fluids and with intrusions of them into ...
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Еремеев, В.Н.; Баянкина, Т.М.; Сизов, А.А.; Пустовойтенко, В.В.; Сухих, Л.И.; Жуков, А.Н.; Лебедев, Н.Е.
(2007)
The analysis of peculiarities of the spatial distribution of the amplitudes of some harmonics of time series spectra of the air ground temperature above the Northern Eurasia reveals their intraspectral variability not only ...
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Божко, А.Е.
(2007)
The algorithms of the optimal and quasioptimal controls over oscillatory systems are generalized. The peculiarities of a realization of these algorithms with due regard for a special expansion of the step functions of ...
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Тушев, А.В.
(2007)
We consider the representations of soluble groups of finite rank over a locally finite field. We found some necessary and some sufficient conditions for the existence of the faithful irreducible representations of soluble ...