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.
英国煤
了显微组分
分离富集,得到了镜质组、丝质组和稳定组三种富集物。
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.
英国煤
了显微组分
分离富集,得到了镜质组、丝质组和稳定组三种富集物。
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.
本基乙酸
合成工
了比较研究,认为硫氢化钠法和硫代硫酸钠法生产成本低,适宜于选矿用
基乙酸
生产,而硫脲法可得到较高浓度
基乙酸。
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