Double wavelength K coefficient 双波长K系数法
double wavelength tlc 双波长薄层扫描
double-wavelength scan 双波长扫描
double-wavelength laser 双频激光器
double wavelength laser 双波长激光
double wavelength lasers 双波长激光器
Method a double wavelength UV spectrophotometry method was used.
方法采用双波长分光光度法测定。
Double wavelength-double reagent is better than double wavelength-single reagent.
双波长双试剂法优于双波长单一试剂法。
METHODS:The content of baicalin was determined by double wavelength spectrophotometry.
方法：采用双波长分光光度法测定黄芩苷的含量。
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