نتایج جستجو برای: apparent molal volume

تعداد نتایج: 419540  

Journal: :Journal of Biosciences and Medicines 2022

The apparent volume of distribution was defined for the first time as phase that can hold total amount a substance at measured concentration, in system composed two immiscible media are contact under conditions constant volumes, equilibrium. Its value is not affected by solute mass and it only depends on volume, volumes affinity phases system. Using this new concept distribution, we were able t...

Journal: :Condensed Matter Physics 2022

We have studied the composition dependence of density liquid water-DMSO mixtures at different temperatures by using isobaric-isothermal (NPT) molecular dynamics computer simulations. The non-polarizable semi-flexible, P1 and P2 models for DMSO molecule combined with TIP4P-2005 water model are considered. excess mixing volume apparent molar volumes species reported. established that P1-TIP4P-200...

Journal: :caspian journal of neurological sciences 0
mahdiyeh saberi fariborz faeghi medical physicist, assistant professor of medical imaging, department of radiology technology, faculty of allied medical sciences, shahid beheshti university of medical sciences, tehran, iran ; [email protected] hossein ghanaati mojtaba miri ayoob rostamzadeh soheila khodakarim

background: gliomas are the most common primary neoplasms of the central nervous system. relative cerebral blood volume (rcbv) could estimate high-grade gliomas computed with dynamic susceptibility contrast mr imaging which it is artificially lowered by contrast extravasation through a disrupted blood-brain barrier. objectives: our intent was to clarify the usefulness of diffusion-weighted magn...

ژورنال: علوم آب و خاک 2008
هاشمی, سید علی اصغر , عرب خدری, محمود ,

  In order to quantitatively evaluate the sediment yield in ungauged basins, it is necessary to use empirical models. The EPM model, as a model which is using in Iran, has sometimes been evaluated. Most evaluations have often been conducted by using river's sediment information and direct measurements of dam reservoir sedimentation have been less used, while the sediment measurement method on r...

Journal: :American journal of physiology. Heart and circulatory physiology 2010
June Cheng-Baron Kelvin Chow Nee Scze Khoo Ben T Esch Jessica M Scott Mark J Haykowsky John V Tyberg Richard B Thompson

Left ventricular (LV) active relaxation begins before aortic valve closure and is largely completed during isovolumic relaxation (IVR), before mitral valve opening. During IVR, despite closed mitral and aortic valves, indirect assessments of LV volume have suggested volume increases during this period. The aim of this study is to measure LV volume throughout IVR and to determine the sources of ...

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