外导数 meaning in English

aeussere ableitung exterior derivative
exterior derivative

Solid - phase extraction - ultraviolet derivative spectrum methods is seldom researched in our country at present
固相萃取、紫外导数光谱法国内研究尚少。
Determination of diazepam in blood with solid - phase extraction chromatography on alumina dry column
氧化铝干柱固相萃取结合紫外导数光谱法快速测定全血安定
Ultraviolet derivative spectrum method is a new examination method based on ultraviolet spectrum method since 70s , which is simple and quick and can effectively get rid of the disturbance of impurity , and the sensitivity of which is high
紫外导数光谱法是70年代以来在紫外光谱法基础上发展起来的具有操作简便快速、能有效消除杂质干扰、灵敏度较高等优点的检测方法。
2 solid - phase extraction of benzodiazepines medicine - - ultraviolet derivative spectrophotometry in this paper the solid - phase extraction and uv derivative spectrophotometry quantitative determination method for 7 of drugs , including diazepam , nitrazepam , nordiazepam , temazepam , oxazepam , fluazepam and chlordiazepoxide in blood , urine , liver , kidney , lung and brain
5 5pg 。 l 。二苯并二氮卓类药物固相荤取一紫外导数光谱检测法本文建立了血、尿、肝、肾、肺、脑中硝西伴、地西伴、去甲西伴。