نتایج جستجو برای: sedimentation processes

تعداد نتایج: 544719  

Journal: : 2023

This article is dedicated to the role of L.V. Pustovalov in creating theoretical foundations sedimentary research Russia, including determination and substantiation most important regularities governing processes their stages. The constituting stages processes, such as weathering, transport, deposition, were identified described. These lead differentiation material formation rocks different com...

Journal: :Annals of clinical and laboratory science 1977
A Saleem E Jafari M K Yapit

Zeta sedimentation ratio (ZSR) is a simple, rapid and reproducible test which is not influenced by variables like sex and anemia. There is good correlation with Westergren erythrocyte sedimentation ratio (ESR) in normal and hospital population. Limitation of packing force affects the use of the procedure in polycythemia and in patients with ZSR greater than 80%.

Journal: :Proceedings of ... Conference on Coastal Engineering 2023

Sedimentation at the confluence of Houston and Bayport Ship Channels (Bayport Flare) in Upper Galveston Bay, along Gulf Coast Texas, USA, is a costly issue requiring frequent dredging. Hydrodynamic sediment dynamic processes particularly around Flare, are being explored using measurements from vessel mounted fixed Acoustic Doppler Current Profilers (ADCP), Optical Backscatter Sensors (OBS), Til...

2014
Huaying Zhao Jia Ma Maria Ingaramo Eric Andrade Jeff MacDonald Glen Ramsay Grzegorz Piszczek George H. Patterson Peter Schuck

Fluorescence detected sedimentation velocity (FDS-SV) has emerged as a powerful technique for the study of high-affinity protein interactions, with hydrodynamic resolution exceeding that of diffusion-based techniques, and with sufficient sensitivity for binding studies at low picomolar concentrations. For the detailed quantitative analysis of the observed sedimentation boundaries, it is necessa...

Journal: :Atmosfera 2023

ABSTRACT
 There are few three-moment schemes that consider other processes besides sedimentation. Then, a performance assessment of these type due the combined effect sedimentation and microphysical is matter interest. In this study, warm rain bulk parameterized scheme was developed evaluated through detailed comparison with bin scheme. To evaluate impact sedimentation, collision-coalescen...

Mohammad Reza Borna Mohammad Reza Pirestani,

Pre-sedimentation basins are among the most important elements of the conventional water treatment process. In pre-sedimentation basins, due to different velocity gradients, secondary and rotational flows are formed that will create short paths and increase dead and still flow zones as well as changes in the flow mixing. This will prevent laminar flow conditions for sedimentation and will reduc...

2000
R. Bürger F. Concha F. M. Tiller

In one space dimension, the phenomenological theory of sedimentation predicts the sedimentation–consolidation behavior of a flocculated suspension in dependence of two constitutive functions describing its material behavior, the solids flux density (or hindered settling function) and the solid effective stress. These functions are assumed to depend only on the local volumetric solids concentrat...

Journal: :Biophysical journal 2015
Jia Ma Michael Metrick Rodolfo Ghirlando Huaying Zhao Peter Schuck

Sedimentation equilibrium (SE) analytical ultracentrifugation (AUC) is a gold standard for the rigorous determination of macromolecular buoyant molar masses and the thermodynamic study of reversible interactions in solution. A significant experimental drawback is the long time required to attain SE, which is usually on the order of days. We have developed a method for time-optimized SE (toSE) w...

Journal: :The Astrophysical Journal 2023

Abstract We enhance the treatment of crystallization for models white dwarfs (WDs) in stellar evolution software Modules Experiments Stellar Astrophysics (MESA) by implementing carbon–oxygen (C/O) phase separation. The separation process during leads to transport oxygen toward centers WDs, resulting a more compact structure that liberates gravitational energy as additional heating modestly slow...

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