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Full-Text Articles in Physical Sciences and Mathematics

Mathematical Modelling Of Blood Flow, O. V. P. Joao, N. J. Khujatov Sep 2018

Mathematical Modelling Of Blood Flow, O. V. P. Joao, N. J. Khujatov

Central Asian Problems of Modern Science and Education

The paper presents the two-phase model to describe blood flow in large and in small blood vessels. Based on this model the study gives an explanation for long known features (effects) of blood flow in the vessels: dependence of the hematocrit (packed cell volume) on the diameter of the vessel, existence of cell-free plasma layer near the vessel wall, obtuse (as compared with the profile of Poiseuille flow) velocity profile of a blood; dependence of the blood viscosity on the diameter of the vessel. The researcher determines dependences of the blood rate and viscosity on the diameter of a blood …


The Model Of Operational Control Of The Production Process In Cotton Processing Enterprise, F. Yusupov Mar 2018

The Model Of Operational Control Of The Production Process In Cotton Processing Enterprise, F. Yusupov

Central Asian Problems of Modern Science and Education

Mathematical formalization of the test process is reduced to the construction of the static model of operational control of technological progress of the primary processing of raw cotton, thus it is considered a fixed process parameters and usage of digital technological modes


Model Of Optimization Of Technological Regimes Of Oilextraction Production For The Minimum Costs, G. Kh. Abdullayeva Mar 2018

Model Of Optimization Of Technological Regimes Of Oilextraction Production For The Minimum Costs, G. Kh. Abdullayeva

Central Asian Problems of Modern Science and Education

In the stochastic manufacturing process conditions and classification of end products of oil extraction production by intersecting quality areas, manufacturing costs can be reduced by varying the values for the number of modes and their coordinates. 25 Built in the model optimization mode technology is designed to surround the purposes of (current) planning production of oil extraction enterprise products