Active carbon tube adsorption were used for sampling of methacrylonitrile, then thermal desorption analysis was performed by GC(FID).

活性碳管附空气中甲基丙烯腈,热气相色谱(FID)测定。

Desorption chemical ionization mass spectrometry of twelve metallohematoporphyrin complexes has been investigated under DEP condition using mixture of tetramethylsilane and methane as regent gas.

本以四甲基硅／甲反应气，采用DEP技术，测定12个金属血卟啉络物的化学电离质谱。