bituminous soft coal act烟煤法
bituminous brown coal沥青质褐煤;沥青煤
bituminous lump coal烟煤块
bituminous s coal烟煤;沥青煤
low volatile bituminous coal低挥发分烟煤;低挥发蒸汽煤;低挥发烟煤
sub bituminous coal亚烟煤
high bituminous coal高烟煤;高沥青煤
lower bituminous coal低沥青煤;低烟煤
bituminous coal fines烟煤细粉
This investigation is about the influence of fatty acid used as the promoter on the product of bituminous coal oxidation by oxygen and alkaline solution acting in an autoclave.
采用高压釜实验，研究烟煤在碱性介质中氧气氧化时加入有机脂肪酸促进剂对产品生成的影响。
参考来源 - 烟煤氧化及产物煤酸异构化制对苯二甲酸研究Iodine levels increase from lignite through subbituminous coal and bituminous coal to anthracite,it indicates that coal adsorbed excess iodine from the hydrothermal fluids during the process of metamorphism,including geothermal metamorphism and telemagmatic metamorphism.
从褐煤、亚烟煤、烟煤到无烟煤,碘的含量越来越高,表明在变质作用(含深成变质作用和区域岩浆热变质作用)过程中煤吸收了热液流体中的碘。
参考来源 - 中国煤中碘的环境地球化学研究N（名词） a soft black coal, rich in volatile hydrocarbons, that burns with a smoky yellow flame. Fixed carbon content: 46–86 per cent; calorific value: 1.93×107–3.63×107 J/kg 烟煤 (Also called soft coal)