anthracite culm[矿业] 无烟煤粉;无烟炭粉;翻译
Fujian anthracite福建无烟煤
anthracite anticl无烟煤
ortho anthracite中阶无烟煤
Jincheng anthracite晋城无烟煤
using anthracite无烟煤
Anthracite Games开发公司
burning anthracite无烟煤煅烧技术
In this artical, fractal dimensions of various rank coal(from lignite to anthracite)and coal-coke are determinated by using gas adsorption data,and correlations between them are studied.
本文利用气体吸附数据确定了各种煤阶煤（从褐煤到无烟煤）和煤焦气化反应过程中微孔表面的分形维数及其变化规律。
参考来源 - 煤微孔表面的分形维数及其变化规律的研究N-UNCOUNT（不可数名词） Anthracite is a type of very hard coal that burns slowly, producing a lot of heat and very little smoke. 无烟煤