Доклады Академии наук Республики Таджикистан, том 58, №10, 2015 г. 
File  Article title and abstract  Pages 


Download  Mehmonzoda S.N.  867872 
On approximation of functions of two variables by polyhedral functions 
In this paper for the some functional classes, the exact estimate error approximation of the functions of two variables by polyhedral functions was found. 

Key words: многогранная функция; модуль непрерывности; выпуклая функция; решетка узлов; polyhedral functions; module of continuity; convex function; lattice of nodes.  

Download  Pulatov M.P.  873878 
On the reconstruction of the solution of some boundary value problems spline functions of the first order 
The paper deals with methods of restoration solutions of some boundary value problems of mathematical physics splinefunctions of order 1 and defect interpolation linear splines. The results obtained on the class Lipschits order 1 cannot be improved more than that. 

Key words: краевые задачи; задача Дирихле; задача Неймана; гармонические функции; бигармонические функции; сплайны; boundary value problems; Dirichlet; Neumann problem; harmonic functions; biharmonic functions; splines.  

Download  Odinaev R.N.  879885 
Necessary and sufficient condition of subsistence of discussed problem on protection of the plant 
In this paper the nonlinear problem of plant protection taking into account the age structure of three leveled tropical aerogenous that are; plant, insect pests, and beneficial insects is investigated. The basic and sufficient conditions were set up for module aerogenous to provide solutions for plant protection. 

Key words: модель; вредные и полезные насекомые; агроценоз; задача защиты; численность насекомых; трофическая функция; module; harmful and useful insect; aerogenous; protection problem; number of population; trophic functions.  

Download  Jangibekov G., Koziev G.  886893 
Of some singular integral operator with even characteristic 
In explores some classes of systems of two dimensional singular integral operators and on a limited area. Found effective necessary and sufficient conditions for Noetherian in the space of Lebeg and the formula for the rate us index. 

Key words: сингулярные интегральные операторы; нётеровость оператора; индекс оператора; символ оператора; singular integral operators; noetherian operators; the index of operator; operator.  

Download  Abdukarimov M.F.  894900 
On the boundary control by an elastic force at one endpoint when the second one is fixed for the process of forced string’s oscillations 
In the article is shown that in the case of T =2 l where l is the length of string, so that we have a unique boundary control u (0 ,t ) =m ( t ) , 0 ≤ t ≤ T , which this control provides the string’s forced oscillation systems from an arbitrary initial state to final state. For calculation of the following boundary control, an explicit analytical formula is obtained. 

Key words: граничное управление; неоднородное волновое уравнение; boundary control; nonhomogeneous wave equation.  

Download  Farhod Rahimi, Qurbonien Mehrdod Subhoni  901907 
Dynamic structure factors of onedimensional ferromagnetics 
In the analysis of neutron scattering we have discovered that it should be used at low temperatures E>>Q. At higher energies, the observations of individual solitons are difficult. At low energies, the scattering of neutrons lead to the appearance of the central peak of dynamic structure factor and integrated intensity. 

Key words: нейтрон; магнитный момент; ферромагнетики; магнон; neutron; magnetic moment; ferromagnetics; magnon.  

Download  Odinaev S., Akdodov D.M.  908915 
Calculation of the shear viscosity and shear elastic modulus electrolyte solutions in view of generalized potential of interaction 
Investigation the shear viscosity η ( ω ) and shear elastic modulus μ ( ω ) on the basis of generalized energy of interaction between the structural units of the solution, which consists of the sum of ionion, ionmolecular and intermolecular interaction potentials. The analytical expressions for η ( ω ) and μ ( ω ) have been carried a numerical calculation of the η ( ω ), μ ( ω ) for NaCl aqueous electrolyte solution. For the η ( ω ) results compared with experimental data. 

Key words: сдвиговая вязкость; сдвиговой модуль упругости; потенциал межмолекулярного взаимодействия; радиальная функция распределения; shear viscosity; shear modulus of elasticity; the potential of intermolecular interaction; the radial distribution function.  

Download  Nizomov Z., Saidov R.H., Sharipov J.G., Gulov B.N.  916921 
Thermal properties of Zn5Al, Zn55Al alloys, alloyed rare earth metals 
The temperature dependence of the specific heat and alloys Zn5Al, Zn55Al, doped with scandium, yttrium, praseodymium, cerium, neodymium and europium. The temperature dependence of enthalpy, entropy and Gibbs energy are investigated. 

Key words: сплавы; теплоёмкость; редкоземельные металлы; alloys; specific heat; rare earth metals.  

Download  Tuichiev Sh., Ginzburg B.M., Tabarov S.Kh., Sodikov F.  922928 
About twostage concentration dependence of the physical properties of fullerenecondensed systems 
An analysis of the concentration dependence of changes in the structure, thermal, mechanical and electrical properties of condensed matter (fullerene solutions and solid polymer systems) shows that these changes are of a twostage character: the first stage of abrupt change (increase or decrease) the parameters of condensed systems, and in the second stage there are small changes or their permanence. These changes are associated with the appearance of symmetry of molecules and their associations. 

Key words: фуллерены; ароматические растворители; растворы; кипение; плавление; структура; fullerenes; aromatic solvents; solutions; boiling; point; structure.  

Download  Jamolzoda B.S., Murodiyon A., Kabutov K., Azizov B.S., Safarov A.G., Mirpochoev H.A., Safiyev H.S.  929935 
Study of anthracite from Nazarailok field as raw materials for manufacturing of electrode thermoantyracite 
Developed some requirements for anthracite from Nazarailok field as a raw material for the production of cathode blocks used in the lining of aluminum electrolytic. The change in the interplanar distance, texture and anisotropy of the reflectance of anthracite coal at high temperature treatment (up to 1700ºС) are defined. The direct link between the increases of reflectivity of the texture is shown. The resistivity of anthracite at 1700ºС is defined. The comparison of the received data with data of anthracite of areas of Russian Donbas, Donetsk and Vietnam (HaTu) is lead. The experimental data and a summary of the results indicate the suitability of anthracite from Nazarailok field for production of cathode blocks for aluminum electrolysis 

Key words: антрацит; термоантрацит; электрод; анизотропия; текстура; отражательная способность; удельное электросопротивление; морфология; anthracite; thermoantyracite; electrode; anisotropy; texture; reflectivity is; resistivity; morphology.  

Download  Abdusalyamova M.N., Badalova M.A., Kabgov H.B., Makhmudov F.A.  936940 
Synthesis and investigations of properties of compounds YbMnSb 
In article the data on the synthesis, physical and chemical properties of a new inorganic compound YbMnSb are presents. The crystal structure, lattice parameters is determined. The thermal and thermodynamic properties investigated. 

Key words: редкоземельные элементы; сурьма; марганец; структура; термоэлектрические материалы; rare earth elements; antimony; maganese; structure; thermoelectric materials.  

Download  Salikhov F.S.  941946 
Volcanism influence on accumulation of redcoloured cooperbearing deposits of Southwest Darwaz 
In article communication of a volcanism and ore formation in the redcoloured cooperbearing deposits of an Permian yollikhar complex is considered. 

Key words: вулканизм; меденакопление; иоллихарская серия; красноцветная меденосная формация; ЮгоЗападный Дарваз; volcanism; cooper accumulation; yollikhar complex; redcoloured cooperbearing deposits; Southwest Darvaz.  

Download  Sarabekov N.Sh.  947952 
Engineering geological zoning of the southern slope of Gissar range 
The observable area is located within the Southern Tien Shan Engineering  geological region of the first order. This paper is conducting the general typological engineeringgeological zoning of its central and southern parts of the HissarAlai and the South Tajik regions of the second order. 

Key words: тектоника; оползень; наводнение; сель; размыв; структура; обрушение; область; регион; tecktonik; landslide; flood; mudflow; erosion; structure; collapse; area; region.  

Download  Zikiryahodzhaev D.Z., Rasulov S.R., Umarova S.G.  953957 
Some aspects of palliative care for children in oncological practice in the Repuclic of Tajikistan 
The article describes the rationale for the provision of palliative care for children in the oncology practice based on the analysis of malignant tumors and the most common clinical entities. 

Key words: паллиативная помощь детям; злокачественные новообразования; качество жизни; palliative care for children; malignant neoplasms; quality of life.  
