نتایج جستجو برای: del valle
تعداد نتایج: 240978 فیلتر نتایج به سال:
Thermal desorption, by a rotary kiln of mercury contaminated soil and mine wastes, has been used in order to volatilize mercury from the contaminated medium. Solar thermal desorption is an innovative treatment that uses solar energy to increase the volatility of contaminants, which are removed from a solid matrix by a controlled air flow system. Samples of soils and mine wastes used in the expe...
Goddard Earth Sciences Technology and Research (GESTAR), Universities Space Research Association, Columbia, Maryland, USA 2 Global Change Data Center, Code 610.2, NASA Goddard Space Flight Center, Greenbelt, Maryland, USA Influenza Program, Centers for Disease Control and Prevention (CDC) Regional Office for Central America Region, Guatemala City, Guatemala Influenza Unit, Center for Health Stu...
Determining the antioxidant activity and the total phenolic content are routine procedures in most natural product laboratories; however, when dealing with large number of samples, it is necessary to employ methods that allow a quick, easy and economical screening. The aim of this study is to determine the antioxidant activity and the total phenolic content of plant species as criteria for the ...
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