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.
文对巯基
合
工艺进行了比较研究,认为硫氢化钠法和硫代硫
钠法生
低,适宜于
矿用巯基
生
,而硫脲法可得到较高浓度
巯基
。
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.
文对巯基
合
工艺进行了比较研究,认为硫氢化钠法和硫代硫
钠法生
低,适宜于
矿用巯基
生
,而硫脲法可得到较高浓度
巯基
。
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分离富集,得到了镜质组、丝质组和稳定组三种富集物。
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