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[期刊论文] 作者:Sroor,Saher M. Darwis, 来源:环境保护(英文) 年份:2013
The background level of radiation in the natural environment surrounds us at all times. Levels of natural occurring radioactivity in marble and granite used at...
[期刊论文] 作者:Saher M. Darwish,Samia M. El-B, 来源:土壤科学期刊(英文) 年份:2013
The activity concentrations of naturally occurring 238U, 232Th and 40K in surface soils along Qarun Lake and Wadi El Rayan located in Faiyum, Egypt were determi...
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