Propylene,the common petroleum gas,is subject to gasification under heating and liquification under pressure.

丙烯是一种受易化、受压易液化常用石。

Reference on step conversion of coal gasification and carbocoal combustion is offered by the research on pyrolysis carbocoal.

解半焦研究为煤化及半焦燃烧分级转化技术提供了参。

The heat input of gasification using coalite as solid heat carrier comes from combustion heat of the solid heat carrier in riser.

固体载体煤化量靠提升燃烧产生。

Underground coal gasification is implemented under changefully natural environment which is difficult and complicated to execute,so scientific safety preventive measures should be adopted.

煤炭地下化是在自然环境中进行,操作复杂,难度较大,因此,必须采取科学安全措施。

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。