烟煤,沥青质体
Main macerals of hydrocarbon generation are sporinite, cutinite, alginite, bituminite, liptodetrinite and desmocollnite in source rocks from Jurassic coal measure in Northwest China. 西北地区侏罗纪煤系地层中主要的生烃显微组分是孢子体、角质体、藻类体、沥青质体、碎屑类脂体、基质镜质体等，而树脂体、木栓质体等早期低熟生油组分含量很低。
Keywords blast furnace;pure bituminite;large-blowing coal; 高炉;全烟煤;大喷煤量;
Keywords coal injection,explosiveness,bituminite,explosion control; 喷煤;爆炸性;烟煤;抑爆;
Keywords bituminite mixing injection process reform replacing-ratio; 烟煤;混合喷吹;工艺改造;置换比;
Keywords Pulverized Coal Injection （PCI）;Anthracite;Bituminite;Unburned Coal; 高炉喷煤;烟煤;无烟煤;未燃煤粉;
