The Determination of Cyclopenthiazide by using the ratio absorption coefficient in UV-spectrophotometer was studied.

用紫外分度比收系数法进行了环戊噻嗪百分含量测定方法究。

Dependance of green absorption coefficients on growth atmosphere and source rod concentration has been symmetrically investigated.

系统究了收系数对于生长气氛和源棒浓度依赖关系。

A new method of measuring the ratio of thermal emission rate to the photoexcitation constant is presented.

提出了在考虑收系数强度特性条件下一种测量热激发速率与激发常数比值新方法。