The electron capture detector(ECD) and the external standard method were used.
及电子捕获检测器（ECD），外标法计算含量。
Objective to determine 12 organochlorine pesticide residues in the Radix Rehmanniae preparata by the capillary gas chromatography with the electron capture detector (CGC-ECD).
目的对熟地中12种有机氯农药的毛细管气相色谱测定方法的研究。
It all began more than three decades ago when Lovelock devised the electron-capture detector.
这一切是从超过30年前Lovelock设计了一个电子捕捉探测仪开始的。
It all began more than three decades ago when Lovelock devised the electron-capture detector.
这一切是从超过30年前Lovelock设计了一个电子捕捉探测仪开始的。
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