نتایج جستجو برای: sedimentation pattern
تعداد نتایج: 365361 فیلتر نتایج به سال:
Deposition of sediment inside the conduit structures reduces the flow cross section area and increases the flow roughness which causes reduction of flow discharge passing through the conduit. Among the methods which can prevent sediment deposition is non sedimentation condition in the structure, Since the critical section of the inverted siphon in sedimentation is the outlet. In the begining of...
The measurement of different characteristics a stream, including integrated water resource management, is dependent on sediment transport mechanisms. On the Pahang River, studies explored spatial interpolation pattern suspended (SS) and management. Sedimentation issues in River have significant impact management basin. Furthermore, it may an local consumption, recreational activities, other fac...
The zeta sedimentation ratio (ZSR) capillary tube, is subjected to four is a measurement similar to the detercycles of dispersion and compaction. mination of the erythrocyte sedimenAt the conclusion of this process, the tation rate (ESR) but possesses sevaral hematocrit of the blood in the red advantages. It is unaffected by anemia cell-containing portion of the capillary and responds in a line...
(b) Sedimentation equilibrium: an experiment performed at a lower speed so that the sedimentation and backdiffirsion forces are of comparable magnitudes and therefore give rise to an equilibrium distribution of solute concentration. Because there is no net transport at equilibrium, shape effects do not come into play and the distribution becomes an absolute function of molecular mass for a sing...
New finds of well-preserved remains coiled nautiloids from lower Moscovian sediments (Kamenskaya Formation) the Donets Basin (eastern Ukraine) allowed to describe color pattern on conch surface species genera Parametacoceras, Metacoceras, Coelogasteroceras and Ephippioceras. The studied is represented by longitudinal light bands along ventrolateral shoulder (Parametacoceras Metacoceras), transv...
We present the validation of a recent fractional mathematical model for erythrocyte sedimentation proposed by Sharma et al. \cite{GMR}. The model uses a Caputo fractional derivative to build a time fractional diffusion equation suitable to predict blood sedimentation rates. This validation was carried out by means of erythrocyte sedimentation tests in laboratory. Data on sedimentation rates (pe...
Natural montmorillonite was modified with a quaternary ammonium compound, hexadecyltrimethylammonium (HDTMA). The sedimentation capabilities of unmodified and modified montmorillonites were then investigated. The sedimentation velocity of modified montmorillonites increased if the amounts of adsorbed HDTMA were from 0.3 to 1.0 times the cation exchange capacitity (CEC). It also emerged that the...
The effects of solvent compressibility on the sedimentation behavior of macromolecules as observed in analytical ultracentrifugation are examined. Expressions for the density and pressure distributions in the solution column are derived and combined with the finite element solution of the Lamm equation in inhomogeneous media to predict the macromolecular concentration distributions under differ...
1. The size of two bacterial lipases was studied by SDS/PAGE, sedimentation velocity and sedimentation equilibrium to test for possible self-association behaviour. 2. Mr values of selected lipases were obtained from SDS/PAGE and sedimentation-velocity measurements, together with an absolute determination by sedimentation equilibrium 3. The Mr values obtained in a variety of aqueous solvents ind...
Investigation of flow pattern in river especially intervals location erodibleit is of utmost importance. Due to the complex process of erosion and sedimentation in meanders and the importance of the flow velocity and shear stress forces on the river bank erosion, two-dimensional numerical model as CCHE2D to simulation of flow pattern of water in the range of natural meanders River Kor between B...
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