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[期刊论文] 作者:Chuan-long WANG,Guo-jian ZHANG, 来源:黑龙江科技学院学报 年份:2002
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...
[期刊论文] 作者:GUO Jin-sen,LI Chuan-long,WANG Wei,, 来源:Annual Report of China Institute of Atomic Energy 年份:2016
In accelerator radiotherapy,energy spectrum is an important characteristic of the beam.It is very difficult to measure the spectrum directly because of the high...
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