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Actual problems of Mathematics, Physics and Mecanics
DEVELOPMENT OF THE THICKENER COMPOSITION WITH LOCAL RAW-MATERIALS FOR PRINTING BLENDED FABRICS COTTON-SILK
In the following article the developed newthickener are studiedbasedon hydrolyzed acrylic emulsion (HAE), uzchitan and carbaxymethyl starchforprinting mixed fabrics cotton-silk. Investigated coloristic prop- erty printedfabrics....
3 July 2019, 14:00
STRUCTURAL FEATURES OF SOLID SOLUTIONS (InSb)1-x(Sn2)x FILMS GROWN FROM A LIQUID PHASE ON GaAs SUBSTRATES AND SOME PHOTOELECTRIC PROPERTIES OF HETEROSTRUCTURES ON THEIRBASIS
Layers of solid solutions (InSb)1-x(Sn2)x on (100) GaAsand(100) GaP substrates were grown by liquid phase epitaxy fromanindiummeltsolution. The solid solution (InSb)1-x(Sn2)x (0 ≤х≤ 0.05) had a mono-crystal structurewith the orientation (100), constant of the lattice as.s. = 6.486...
3 July 2019, 13:58
METHOD FOR DETERMINING HYDRAULIC RESISTANCEDURINGFLUID FLOWIN PIPES
In the article, pulsating fluid flows in tubes with changingwalls,which are of great importance in biological mechanics, in particular, intheflowofblood in the arterial vessel, are investigated. The solution of the problem obtained formulas for the distribution of pressure gradient, velocity and...
3 July 2019, 13:52
ABOUT WAVEFUNCTIONS IN LOW-DIMENSIONAL SEMICONDUCTORS
The impressive progress in the fabrication of low-dimensional semiconductor structures during the past two decades has made it possible to reduce the effective device dimension from three-dimensional bulk materials, to quasi-two dimensional quantum well systems, to quasi-one dimensional quantum...
3 December 2018, 18:05
STABILITY OF FINITE DIFFERENCE SCHEMES FOR SIMMETRIC HYPERBOLIC SYSTEMS
In this article we investigate the stability of the finite difference schemes using the Neumann method for symmetric hyperbolic systems. For the two-dimensional symmetric hyperbolic system, the condition of the Lax-Wendroff scheme stagnation has been studied. To check for resilience using MathCad...
3 December 2018, 18:04
SHOCK-ABSORBING VIBRATIONS OF THE ELASTIC ELASTOMERIC END OF THE ROTARY INERTIA
The problem of the longitudinal vibrations of the elastic strerin of the longitudinal impact of the second free end of the end of the tape is settled on the basis of the second order (classic) differential equation. Depending on the nature of stroke endings and the nature and conditions of the...
3 December 2018, 18:02
INTERCAPACITANCE BETWEEN TWO CHARGES LOCATED IN THE DIFFERENT ENVIRONMENTS
It is investigated the dependence of intercapacitance between two point charges located in different environments on the relative position of border. The image method is used. It is considered two cases: the charges is located at line which is perpendicular to the border and the charges is located...
3 December 2018, 17:52
INVESTIGATION OF THE PRESSED GRUNT CEMENT BLOCKS
In order to increase the strength and seismicity of the traditional grunt cement blocks, the grunt cement block is proposed to be pressed together with fiber waste and data on the study of grunt cement blocks made from local raw materials are provided....
3 December 2018, 17:41
CYCLIC SURFACES IN THE PSEUDOEVKLIT REGION
The article describes the hypothesis of the cyclic surface determined in the Galileo domain, the smallest dimensional pseudo-squid space, which is summarized in the five-dimensional two-indexed pseudo-squidoid space and then on the full cyclic surface. Full-scale surfaces have been proven to be in...
3 December 2018, 17:39
SOLITON MECHANISM OF CHARGE TRANSPORT IN BRANCHED CONDUCTING POLYMERS AND VERIFICATION OF CONSERVATION LAWS
In this work we consider the modeling of charge transport processes in branched conducting polymers and verification of conservation laws, such as energy and charge conservation....
3 December 2018, 17:37