Quinestrol in compound preparation was determined directly by using second derivative spe ctrometry.
采用二阶导数分光光度法对诺孕酮片中的含量进行了测定;
Quinestrol in compound preparation was determined directly by using second derivative spe ctrometry.
采用二阶导数分光光度法对诺孕酮片中的含量进行了测定;
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