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

用紫外分光光度比吸法进行了环戊噻嗪百分含量法的研究。

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

统研究了绿光吸对于生长气氛和源棒浓度的依赖关。

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

提出了在考虑吸强度特性条件下一种量热激发速率与光激发常比值的新法。