نتایج جستجو برای: pretreatment verification
تعداد نتایج: 116170 فیلتر نتایج به سال:
Introduction: Electronic portal imaging devices (EPIDs) are extensively used for dosimetric information of pre-treatment field verification and in-vivo dosimetry for Intensity Modulated Radiotherapy (IMRT). In the present work, we have implemented the newly developed portal dosimetry software using independent dose prediction algorithm EPIDose and evaluated this new tool for the pretreatment IM...
Abstract Toxic gases can be emitted when sulfides form compounds with heavy metals; thus, a series of pretreatments are required prior to the analysis sulfur isotope ratios remove unnecessary elements. In addition, it is necessary verify effect fractionation caused by plurality comprising different sulfide species during pretreatment process. this study, H 2 S (gas) was extracted from mixed pyr...
common drying systems, including hot air convection, infrared, vacuum and ir-convective were employed to investigate and analyze the drying process of mulberry fruits. to evaluate the effect of pretreatment on the drying phenomenon, samples were pretreated by being subjected to: microwaves, chemical preparation, mechanical as well as blanching approaches. results revealed that the microwave pre...
sugarcane bagasse contains cellulose, lignin and hemicellulose, 39-42%, 20-25% and 25-27% respectively. so it is can be used as a sugar source in many processes. lignin and hemicellulose must be removed before hydrolysis of cellulose. several different pretreatment approaches have been studied. the purpose of this research is comparison of acid, ozone and combination of ozone-acid as pretreatme...
introduction: the use of lopinavir/ritonavir (lpv/r) has decreased morbidity and mortality due to human immunodeficiency virus (hiv); however its use could be impaired by hepatotoxicity. therefore, this study was designed to investigate the effects of melatonin (mt) and alpha lipoic acid (ala) on lpv/r-induced hepatotoxicity in male albino rats. methods: rats were divided into groups and treate...
anaerobic digestion is a feasible technology to stabilize the solid waste generated inslaughterhouses obtaining significant quantities of biogas, considered as a clean and renewable fuel. this iswhy it is important to optimize the digestion process in order to eliminate organic matter and maximize theproduction of biogas. in this work, a system was developed for treating slaughterhouse solid wa...
drying is one of the most important steps in raisin processing. during this step, initial moisture content decreases up to 15-17% (db) for suitable storage. achieving optimum drying conditions can affect the processing time and improve raisin quality. temperature, air velocity and pretreatment are important factors in the quality of the grape drying process. in this research, the effect of temp...
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