TGA

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对酸的合成工艺进行了比较,为硫氢化钠法和硫代硫酸钠法生产成本低,适宜于矿用酸的生产,而硫脲法可得到较高浓度的酸。

Three maceral groups,vitrinite,fusinite and exinite,seperated from Britain coal and their gasification kinetics in CO2 have been investigated by TGA at the pressure of 0.

对英国煤进行了显微组分的分离富集，得到了镜质组、丝质组和稳定组三种富集物。