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Physical Sciences and Mathematics Commons™
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- Diagram (3)
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- Diods structures (2)
- Equilibrium (2)
- Laser (2)
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- Periodic solutions. (2)
- Pulse effects (2)
- Shottky barers. (2)
- System (2)
- The string oscillation (2)
- Total energy (2)
- A collocation method. (1)
- A numerical-analytical method (1)
- Ammonium nitrate (1)
- Analysis and estimation methods (1)
- Arcanite (1)
- Beaufort scale and windmill. (1)
- Conversion (1)
- Density (1)
- Fertilizer (1)
- Grid (1)
- Gross potential (1)
- Hamilton-Ostrogradskiy (1)
- Impurity atoms (1)
- Impurity clusters (1)
- Integral-interpolation method. (1)
- Integro-differential equations (1)
- Isotherm (1)
- Iterative method (1)
- Lag argument (1)
Articles 1 - 13 of 13
Full-Text Articles in Physical Sciences and Mathematics
String Oscillations With Impulse Effects, K Yelgondiyev
String Oscillations With Impulse Effects, K Yelgondiyev
Karakalpak Scientific Journal
The problem of existence of periodic solutions to the equation of oscillations of a pulse stuny impact soft moments. Necessary and sufficient conditions of existence of periodic solutions in such oscillatory systems.
Change Of Parameters Of Arsenidgallium Diode Structures With A Barrierschottki After Laser Radiation, K Ismailov
Change Of Parameters Of Arsenidgallium Diode Structures With A Barrierschottki After Laser Radiation, K Ismailov
Karakalpak Scientific Journal
In this article, the effect of low intensities of laser radiation at a radiation density less than critical on the electrical characteristics of arsenide gallium diode structures with a Schottky barrier Cr-n-n+-GaAs is investigated. The possibility of controlling their parameters at relatively low laser radiation intensities is shown.
Change Of Parameters Of Arsenidgallium Diode Structures With A Barrierschottki After Laser Radiation, K Ismailov
Change Of Parameters Of Arsenidgallium Diode Structures With A Barrierschottki After Laser Radiation, K Ismailov
Karakalpak Scientific Journal
In this article, the effect of low intensities of laser radiation at a radiation density less than critical on the electrical characteristics of arsenide gallium diode structures with a Schottky barrier Cr-n-n+-GaAs is investigated. The possibility of controlling their parameters at relatively low laser radiation intensities is shown.
String Oscillations With Impulse Effects, K Yelgondiyev
String Oscillations With Impulse Effects, K Yelgondiyev
Karakalpak Scientific Journal
The problem of existence of periodic solutions to the equation of oscillations of a pulse stuny impact soft moments. Necessary and sufficient conditions of existence of periodic solutions in such oscillatory systems.
On The Application Of One Modification Of The Numerical Analytical Method To The Boundary Value Problem For Integro-Differential Equationstype Volterra, B Nurjanov
Karakalpak Scientific Journal
The article applies a modification of the numerical-analytical method of successve approximations to the study of a boundary value problem for a system of integro-differential equations of Volterra type.
Study Of The Process Of Production Of Liquid Nitrogenfertilizers, A M. Reymov
Study Of The Process Of Production Of Liquid Nitrogenfertilizers, A M. Reymov
Karakalpak Scientific Journal
The dependence of the changes in physico-chemical and rheological properties of solutions of the composition in systems [11,82%NH4CI +1,65% (NH4) 2SO4+6,76%К2S04+79,77%H2O]-CO(NH2)2 and [11,82%NH4CI+1,65%(NH4)2SO4+6,76%K2S04+ 79,77%H2O]-NH4NO3. On the basis of the studied diagrams "composition-properties" the optimal ratio of the components of the mother solution: nitrogen-containing fertilizers is 60:40 and 50:50, respectively, with the addition of urea and ammonium nitrate
Solution Of The Kosha Problem For Ordinary Differential Equations By Implicit Different Methods, A Otarov
Solution Of The Kosha Problem For Ordinary Differential Equations By Implicit Different Methods, A Otarov
Karakalpak Scientific Journal
The paper deals with a boundary value problem for linear differential equations with a retarded argument and also algorithm-based solutions are given.
Some Border Set Mathematical Problems For Differential Equations With Delayed Argument., O Kurbanbaev
Some Border Set Mathematical Problems For Differential Equations With Delayed Argument., O Kurbanbaev
Karakalpak Scientific Journal
The paper deals with a boundary value problem for linear differential equations with a retarded argument and also algorithm-based solutions are given.
Prospects For The Development Of Wind Power In The Republic Of Karakalpakstan, K M. Reymov
Prospects For The Development Of Wind Power In The Republic Of Karakalpakstan, K M. Reymov
Karakalpak Scientific Journal
The paper presents the results of research in order to make effective the use of wind power in the Republic of Karakalpakstan in the North-Western region of Uzbekistan. The wind potential at different elevations was determined and analyzed. The results of the researches are given in tables and charts.
Functional Possibilities Of Silicon With Clusters Of Impurity Atoms, B Abdurahmanov
Functional Possibilities Of Silicon With Clusters Of Impurity Atoms, B Abdurahmanov
Karakalpak Scientific Journal
Nowadays, itis o f great interest to avail such m aterials to create more efficient solar cells, as well as highly sensitive sensors of physical quantities of the magnetic field, deformation, IR radiation, temperature and humidity.
Development Of Technology Of Potassium Percarbonate Production, N Erkaeva
Development Of Technology Of Potassium Percarbonate Production, N Erkaeva
Karakalpak Scientific Journal
In this paper, the results of a study on the production of potassium percarbonate are obtained. It has been established that the interaction of potassium carbonate and hydrogen peroxide produces potassium percarb onate in the form of К2СОЗ • 3H202, which exhibits individual properties. A flow chart for the production of potassium percarbonate has been developed.
Computer Modeling Of Processes Of Variation Of Thin Plates Located In Electromagnetic Field, B Aytmuratov
Computer Modeling Of Processes Of Variation Of Thin Plates Located In Electromagnetic Field, B Aytmuratov
Karakalpak Scientific Journal
This article describes the development of an algorithm for calculating magnetoelastic thin plates with a complex shape based on a combination of the R-function methods of V. L. Rvachev and the Bubnov-Galerkin variation method that automates the process of oscillation of magnetoelastic thin plates with a complex shape. The problems of oscillations of magnetoelastic thin plates with a complex shape in the presence of an electromagnetic field are solved.
Volume Diagram System Na+, K+, 1/2 Mg2+//1/2 S042-, Cl--H20 At 0°C, A Erkaev
Volume Diagram System Na+, K+, 1/2 Mg2+//1/2 S042-, Cl--H20 At 0°C, A Erkaev
Karakalpak Scientific Journal
Based on the findings of theoretical and experimental studies of first constructed volume diagram of phase equilibria 2Na+, 2K+, Mg2+ \\ SO42-' 2Сl- H20 at 0°C. The boundaries of the contact areas of the crystallization of salts. Established nine crystallization fields and lines of intersection, five of invariant (Pn), foteen monovariant (snx) and foteen divariant (Enx) nodal points