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

用紫外分光光度比吸收系数法进行了环戊噻嗪百分含量测定方法的研究。

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.

通过理论分析，找出了能保证BCCD在X光区工作的衬底材料所应满足的吸收曲线。