目的阐明高乌头不同溶剂萃取部分的指纹图谱特征峰所代表的化学成分,及其对急性毒性贡献的大小。方法用系统溶剂法对高乌头95%乙醇......

This paper has an objective to show a developed quantitative criterion, based in two mathematical variables that explici......

研究了低能X射线光管出射的初始能谱形状.在理论分析的基础上,采用蒙特卡罗程序EGSnrc模拟了低能X射线光管中的焦点大小,阳极靶的......