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

用光光度比吸收系数法进行环戊噻嗪百含量测定方法的究。

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

系统地究绿光吸收系数对于生长气氛和源棒浓度的依赖关系。

Based on the result of theoretical research the absorption coefficient curve of a substrate material has be ound,which ensure the three-channel BCCD work in the region of X-ray.

通过理论析，能保证BCCD在X光区工作的衬底材料所应满足的吸收曲线。