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

用紫外分吸收系数法进行了环戊噻嗪百分含量测定法的研究。

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

系统地研究了绿吸收系数对于生长气氛和源浓的依赖关系。

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

提出了在考虑吸收系数强特性条件下一种测量热激发速率与激发常数值的新法。