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[期刊论文] 作者：A. A. Abd,
来源：无线工程与技术(英文) 年份：2011
After the release of the unlicensed Ultra Wideband (UWB) spectrum 3.1 GHz to 10.6 GHz for the commercial purposes by the Federal Communications Commission (FCC)...
[期刊论文] 作者：A. A. Abd El-Kader,M. M. Husse,
来源：美国植物学期刊(英文) 年份：2012
In recent years Jatropha curcas L. has emerged as a biofuel crop with potential for its production in marginal land with application of treated sewage water. Si...
Mineralogy, geochemistry, radioactivity and environmental impacts of Gabal Marwa granites,southeaste
[期刊论文] 作者：A. A.,Abd,
来源：中国地球化学学报（英文版） 年份：2004
The Gabal Marwa area is located in the southeastern part of Sinai,Egypt.It comprises gneisses and migmatites,granodiorites and monzogranites.Field,petrographic,...
Mineralogy, geochemistry, radioactivity and environmental impacts of Gabal Marwa granites,southeaste
[期刊论文] 作者：A. A.,Abd,
来源：黑龙江科技学院学报 年份：2011
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
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