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1.black leather jackets; as black as coal; rich black soil.
黑色的皮夹克；像煤一样黑；肥沃的黑土地。收藏指正
2.What happen, your face is as black as the coal.
发生什么事了，你的脸黑得跟煤似的。收藏指正
3.A soft, brownish-black coal in which the alteration of vegetable matter has proceeded further than in peat but not as far as in bituminous coal.
褐煤一种褐色软质煤，植物性物质的变化程度比泥煤重但比烟煤轻收藏指正
4.In this dissertation, experimental study on Fuel-N pyrolysis law of anthracite, bituminite, and coal water slurry and black liquid CWS was made. Main attention was fixed on the factors such as temperature, stay time, reaction condition, particle diameter and coal types. The effect of nitrogen-containing species (HCN,NH3), which may divert to NOx in the reaction, was also deeply researched.
本文对无烟煤，烟煤，水煤浆及黑液水煤浆的燃料氮析出规律进行了实验研究，主要研究了温度、停留时间、粒径及煤种对煤中燃料氮析出特性的影响，特别是对NO_x前驱物NCH、NH_3的影响进行研究。收藏指正
5.Abstract: The resource characteristics such as the composition,texture,structure and the prospects of industrial utilizations included white carbon black,AlC13,4A zeolite,Al-Si alloy and rubber filler of coal-series kaolinite in Huainan and Huaibei mining area were introduced.
文摘:在分析了两淮煤系高岭岩矿石的结构和构造、矿物成分、化学成分、热变性等性质的基础上，探讨了两淮煤系高岭岩资源在白炭黑、氯化铝、4A沸石、铝硅系列合金、功能性填料等工业应用前景。收藏指正
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