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。
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。
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。
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。
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