The release mechanism of dissolved and colloidal substances(DCS) during repulping of mixed office wastepaper(MOW) was investigated using gaschromatography(GC).
利用气相色谱技术分析了混合办公废纸碎浆过程中DCS（溶解与胶体物质）的生成机制。
2
Objective:To establish a gaschromatography(GC)method to determine concentrations of eucalyptol, artemisia ketone, camphor and caryophyllene in Qingyin injection.
目的：建立青银注射液中桉油精、蒿酮、樟脑、石竹烯含量的气相色谱测定方法。
3
Gaschromatography(GC) as a chemical reactor, methyl acetoacetate, ethyl acetoacetate, and methyl(3-oxo) pentanoate can undergo transesterfication with various alcohols without any catalyzers.