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#2 / 2011
Problems of Human Physiology
Kh.M. Andrukhaev, S.S. Afanasyeva, I.N. Zhukova, V.N. Zamyatin, D.D. Mirzov, V.B. Tlyachev, V.Sh.Tlyusten, G.S. Feklistov, R.D. Khunagov, S.M. Shaova, A.V. Shakhanova, M.M. Shumafov, D.S. Ushkho
Mamiy Kazbek Sagidovich (to the 75year birthday)
Mathematics
Ch.A. Skhalyakho, N.S. Tuguz
Variability of solutions of EmdenFowler type differential system
The paper discusses sufficient conditions for variability of all correct solutions for system of EmdenFowler type equations, generalizing and specifying the results of works published previously in journal «The Differential Equations».
A.D. Ushkho
Plane polynomial differential systems with the Stype symmetry axis
The paper introduces the concept of Stype symmetry axis of the field lines of system of differential equations, whose right side is relatively prime polynomials with real coefficients. The author examines the question on coexistence of the axes of Stype symmetry and straightline isoclines of the system, differing from the axes of symmetry and passing through the origin of coordinates. It is proved that if the system for n≥2 has the n^2 of singular points in the finite part of the phase plane and n+1 of axes of Ntype symmetry in the absence of Stype symmetry axes or n+1 axis of Stype symmetry in the absence of the axes of Ntype symmetry, then all singular points are located on the symmetry axes, and the origin of coordinates O(0;0) is a singular point.
V.A. Kozlov
Construction of ring generating systems K*(G/H) of one series homogeneous spaces G/H
Systems of K*(SU(N)/SU(2))XQ generators and their Chern characters are constructed in an explicit form for homogeneous spaces SU(N)/SU(2) in which group SU(2) is given by tensor product of small dimension representations.
Physics
A.Kh. Khokonov, L.A. Khamukova
Ionization energy losses and relativistic electron ranges in the macromolecular compounds
The distribution of specific ionization energy losses by depth in polyethylene and plexiglass is calculated for relativistic electrons with energies of up to 10 MeV. The effective thicknesses of the electron absorption are found.
N.V. Malay, K.S. Ryazanov, E.R. Shchukin
Diffusiophoresis of the large flying centerline heated aerosol particles of the spherical form
The diffusiophoresis motion of large flying spherical aerosol particles is described theoretically at the Stokes approximation for small Peclet and Reynolds numbers in nonisothermal binary gaseous environment and large temperature differences near the particle. In solving the gaseodynamic equations, the kind of dependence of factors upon temperature is used for molecular viscosity, heat conductivity and diffusion. Numerical estimations have shown the nonlinear character of dependence of force and speed of diffusiophoresis on the average temperature of particle surface.
Natural Sciences
A.V. Shakhanova, Ya.K. Koblev, T.G. Petrova, A.A. Namitokova
Specific features of the functional condition of the central nervous system at sportsmenjudoists
The paper examines neurophysiological status of the central nervous system at sportsmenjudoists. The authors determine the velocity, lability and degree of the balance of the nervous processes, the level of the functional state and adaptive possibilities of the nervous system in testing load conditions. With increasing length of athletic occupations the studentsjudoists’ neuromotor organs are being improved, and the factors of neurophysiological status are increasing. These data point to the positive dynamics of the change of the functional state of the nervous system. The obtained results are of interest for the choice of tactics and strategy of judo training taking into account the current functional condition of the nervous system.
V.L. Drushevskaya, G.D. Aleksanyants
Features of «sense of space peculiarities» and vestibular stability in acrobats of different qualifications
A research is conducted on ability for space sensor perception. The level of vestibular stability is determined in acrobats of different qualifications. Positive links between vestibular stability and qualification improvement are found in acrobats. The authors show that in this type of sport activity the ability for adaptation of accommodation mechanisms, convergence and divergence is defined at the initial stages of qualification improvement.
O.A. Medvedeva, G.D. Aleksanyants
Physiological characteristics of sensorimotor systems in schoolchildren with hearing disorders
The adaptation of an organism of schoolchildren with a hearing disorder is provided at the expense of active participation of the central nervous system and sensory systems. Of great importance among them are visual, vestibular, kinesthetic and tactilevibrating analyzers providing precise and highspeed characteristics of movements and maintenance of a body position in space. The paper investigates sensorimotor systems at 812 yearold schoolchildren with various degree of a hearing disorder. The authors define features of speed, lability, degree of disbalance in nervous processes, stability and concentration of attention. The obtained results are of interest to those who are engaged in correction of impellent readiness and social adaptation of deaf and poorly hearing children.
S.V. Pushkin, M.I. Shapovalov
Fauna and ecology analysis of burying beetles (Coleoptera, Silphidae) in the Adygheya Republic
The paper shows the results of 6year authors’ observations on biology and on distribution of 21 species of burying beetles marked in the Adygheya Republic territory. Gathering points in the region under study and quantity of the collected material are specified for each species. Biological features of species are described basing on authors’ observations and literary data.
N.A. Beseda
Inheritance of mass of 1000 grains in the system of diallel crossings of the grain sorghum
Hybrids and parental forms of the grain sorghum are analyzed at genetic level. Sign inheritance of «mass of 1000 grains» at hybrids F1 and F2 is studied. Differences in parental forms in 15 pairs of genes are revealed.
D.V. Muzhenya, T.M. Ashkanova, K.B. Kalakutok, K.Z. Bzhetsov, A.R.Tuguz, T.A. Ivanenko, E.Kh. Tlish, L.D. Aldonina
Association Met235Thr of AGT gene polymorphism and A1166C alleles of a receptor gene of type I angiotenzinogene2 (AGT2R1) with cardiovascular diseases at inhabitants of the Adygheya Republic
Homo and heterozygous Met235Thr allele of AGT was revealed at 31 (64,5%) of 48 surveyed inhabitants of Adygheya Republic. High frequency (84%) of Met235Thr of AGT gene polymorphism was marked in the group of cardiologic patients. The patients, that were heterozygous by locus 235 of AGT gene, had timepersonal variants of an ischemic heart trouble from rhythm infringements to a myocardium heart attack, accompanied by hypertensive illness. Donors with hereditary burdenness by cardiovascular diseases showed heterozygous Met235Thr allele of AGT in 63,6% of cases. High frequency of Met235Thr of AGT point mutation at inhabitants of Adygheya Republic is associated with risk of development of cardiovascular diseases. Homo  and heterozygous A1166C alleles of AGT2R1 occur seldom (12%, including 4% of homo and 8% of heterozygotes) and are not associated with risk of development of cardiovascular diseases.
I.G. Volkodav
The Eastern Siberian largest subvolcanoes of acid composition and their orebearing nature. On distinguishing a subvolcanic class of magma formations
The paper discusses the largest subvolcanic massifs of moderateacid and acid composition studied by the author, their geological, petrographic and geochemical features, mutual relations of rock types and the orebearing nature.
Technical Sciences
E.V. Lutsenko, V.E. Korzhakov
The systemcognitive analysis of objects of information security
The mathematical model basing on the system theory of the information, as well as a numerical method and special program toolkit (system «Eidos») are offered. They allow creation and maintenance of multiplefactor information models of objects of information security (OIS) in a mode of adaptation and periodic synthesis. On the basis of use of these models points of vulnerability of OIS can be defined and the complex measures on maintenance of necessary level of OIS security from threats are proposed.
