black coal having a relatively high volatile content and burning with a characteristically bright smoky flame
烟煤。
n. 烟煤
The potential correlation between mercury and Chaoite in Alberta sub-bituminous coal was found.
发现了亚烟煤中汞与潮煤的潜在相关关系。
Of or relating to bituminous coal.
无烟煤的或似无烟煤的。
Qinghai Xining bituminous coal price?
青海西宁烟煤的价格?
What can we do with the bituminous coal?
这些烟煤可以用来做什么?
General bituminous coal mining; Motor freight.
一般烟煤开采;汽车货运。
烟煤(bituminous coal)是煤的一类,含碳量为75%~90%,不含游离的腐殖酸。烟煤大多数具有粘结性,发热量较高。根据挥发分含量、胶质层厚度或工艺性质,可分为长焰煤、气煤、肥煤、焦煤、贫煤、瘦煤等。用作炼焦、炼油、气化、低温干馏及化学工业等的原料,也可直接用作燃料。烟煤除可用于作燃料、燃料电池、催化剂或载体、土壤改良剂、过滤剂、建筑材料、吸附剂处理废水等。
black coal having a relatively high volatile content and burning with a characteristically bright smoky flame
烟煤。