الفهرس 
General IntroductionOnly 14 pages are availabe for public view
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Abstract
Recently there have been an increasing interest of traces of selenium (IV) ions entering into our enviroment. Selenium (IV) sepecies are hazardous to human health and to the ecosystem. Indeed, the problem of environmental protection and pollution control has become one of modern mans precautions. Thus, the overall work of the thesis can summarized.