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

活碳管吸附空气中甲基丙烯腈,热解吸后气相色谱(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.

本以四甲基硅烷／甲烷混合反应气，采用DEP技术，测定12个金属血合物的解吸化学电离质谱。