نتایج جستجو برای: 689 rs
تعداد نتایج: 29657 فیلتر نتایج به سال:
Effect of LiCoO2 Cathode Nanoparticle Size on High Rate Performance for Li-Ion Batteries Minki Jo, Young-Sik Hong, Jaebum Choo, and Jaephil Cho* Division of Energy Engineering, Ulsan National Institute of Science & Technology, Ulsan 689-805, Korea Department of Science Education, Seoul National University of Education, Seoul 137-742, Korea Department of Applied Chemistry, Hanyang University, An...
BACKGROUND A limited number of studies comparing the main risk scores (RS) for acute coronary syndromes (ACS) have been conducted and there is a limited number of long-term observations of unselected patient cohorts evaluated with the various RS. The aim of this study was to validate 5 RS (TIMI STEMI RS, TIMI NSTEMI/UA RS, GRACE RS, SIMPLE RS and ZWOLLE RS) in a Polish population and to develop...
Background: The association of lipid ratios with the severity and hospital outcome COVID-19 patients has been a topic interest in medical community. Lipids, particularly cholesterol triglycerides, play significant role human body, including cell membrane formation, energy storage regulation various biological processes. aim this study was to assess ratio patients. Methods: This observational ca...
Global solar radiation (Rs) has wide applications in several disciplines. The data of measured or predicted Rs are widely applied by solar engineers, architects, agriculturists and hydrologists. Due to the importance of Rs, several empirical models have been developed to predict its values all over the world. In this study, Angstrom model was calibrated based on the ratio of actual and possible...
این تحقیق در حوضه آبخیز رودخانه وربند لارستان واقع در استان فارس در سطحی معادل 5/925 کیلومتر مربع و با استفاده از تصاویر ماهواره ای irs و سنجندهp6 (سال 2006 ) انجام گردیده است بطوریکه با استفاده از نرم افزار erdas8.7 تصحیحات مکانی تصاویر مربوطه با استفاده از 15 نقطه و با معادله آفاین با rmse=0.42 و تصحیحات رادیومتری از طریق الگوریتم مستطیل های معادل انجام گردید و با استفاده از فاکتور شاخص مطلوب...
The Rotating-Stall (RS) through a rotor-cascade of an axial compressor were numerically investigated with an unsteady two-dimensional finite-volume density based computer code. To validate the computer code, a test case was prepared and the good agreement of the compared results has given the adequate assurance of the code. The RS was incepted with a 40% reduction in flow coefficient and a 0.4%...
The use of new methods, remote sensing (RS) and geographical information system (GIS) in zoning the water erosion in a particular geographical area (Tang-e-Bostanak catchment area) constitute the main subjects of this study. The production, combination, and composition of effective information layers in identifying these zones have been noted, highlighting the capacity of GIS and RS. In this st...
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