Active carbon tube adsorption were used for sampling of methacrylonitrile, then thermal desorption analysis was performed by GC(FID).
活
碳管
附空气中甲基丙烯腈,热解后气相色谱(FID)测定。
附作用附;
，作用;
,可解决,可解释,溶解;Active carbon tube adsorption were used for sampling of methacrylonitrile, then thermal desorption analysis was performed by GC(FID).
活碳管附空气中甲基丙烯腈,热解后气相色谱(FID)测定。
Desorption ratio attained 97.35% and the purity of procyanidins was 95.25% when the concentration of ethal was 40% as elution solvent.
40％
溶液洗脱，解率达97.35%，原花青素纯度达95.
Desorption chemical ionization mass spectrometry of twelve metallohematoporphyrin complexes has been investigated under DEP condition using mixture of tetramethylsilane and methane as regent gas.
本文四甲基硅烷／甲烷混合反应气，采用DEP技术，测定12个金属血卟啉络合物的解化学电离质谱。
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