大同组

对大同矿区太原组8号煤层底板的高岭土进行了煅烧实验，并做了X射线衍射（XRD）、红外光谱（IR）测试。

Raw kaolin from the bottom of coal seam No. 8 in Taiyuan Formation of Datong mine district was calcined and tested by means of XRD and IR .

大同北魏组的资料为研究我国北魏时期的社会文化、经济状况及居民的种族成分有着十分重要的意义。

The material of Datong-BeiWei group is significant for research on the social culture , the economic condition and the racial component of residents of BeiWei period in China .

大同煤不同显微组分富集物焦与CO2反应性研究

Research into reactivity of char from coal maceral concentrates during gasification with co_2

用密度法分离富集了大同烟煤镜质组和惰质组，研究了大同烟煤镜质组和惰质组制备活性炭性能。

Preparation of activated carbon from vitrinite and inertinite concentrated from Datong bituminous coal with specific gravity has been studied .