نتایج جستجو برای: particulate dispersion
تعداد نتایج: 89627 فیلتر نتایج به سال:
background anthracyclines are important components of many chemotherapeutic protocols. the present study aimed to evaluate the repolarization changes in electrocardiography (ecg) which may predict drug induced arrhythmia. materials and methods in this cross-sectional study, the recorded ecgs were assessed for qt dispersion (qtd), qt corrected dispersion (qtcd), t peak to tend dispersion (tped),...
Introduction: Particulate matter (PM) increases the risk of heart disorders. Gallic acid (GA) with strong antioxidant properties has shown an effective role in reducing the complications of various diseases. The aim of this study was to evaluate the protective effect of Gallic acid in preventing cardiac arrhythmias due to exposure to particulate matter. Methods: In this study, 40 rats were pla...
Nonlinear V-I characteristics of particulate composite prepared from dispersion silicon carbide in a siloxane elastomer have been measured as function filler concentration up to the maximum allowable about 32 vol.%. Two critical concentrations (percolation thresholds) are obtained at volume fractions 17 and 24 vol.% for low high electric fields. These values consistent with predicted by theory:...
The emission inventory for London indicates that nearly 80% of the particulate emissions derive from vehicular sources. Most of this mass is in the form of ultrafine submicrometer particles which are of concern because of their influence on lung function. The prediction of their dispersion in the atmosphere coupled to the physical and chemical transformations which affect their size distributio...
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