1.
Discussion on technical reformation of recovery system of coarse clean coal and coarse middling in Laoshidan Coal Preparation Plant
老石旦洗煤厂粗精煤及粗中煤回收系统改造
2.
Discussion on Seam Comparison Methods in Coalfield Geological Exploration
煤田地质勘查中煤层对比方法的探讨
3.
Chinese classification of in seam coals
GB/T17607-1998中国煤层煤分类
4.
intermediate between peat and bituminous coal.
泥煤和生煤的中间物。
5.
Ammonia, coal tar and coke are all by-products obtained in the manufacture of coal gas.
氨气、 煤焦油、 焦煤都是煤气生产过程中的副产品.
6.
German chemist. He won a1918 Nobel Prize for the synthetic production of ammonia .
氨气、煤焦油、焦煤都是煤气生产过程中的副产品.
7.
Application of Coal Plow Made in Xinqiang Coal Mine in Thin Coal Seam
新强煤矿自制刨煤机在薄煤层中的应用管理
8.
Nos.9 and 16 Coal Seams Anthracographic Features and Sulfur in Coal
黔北煤田花秋勘探区9、16号煤煤相特征与煤中硫
9.
of coal, as contrasted with coal obtained from a strip mine.
关于煤，与从露天矿中开采的煤相对的。
10.
Lignite oil is creosote derived from lignite tar.
褐煤油是从褐煤中得来的防腐油。
11.
Empirical analysis of Chinese coal policy and coal demand:1979-2005;
中国煤炭政策变迁与煤炭需求:1979—2005
12.
Mining Technology of Thinner Coal Seam at Yu Jia-liang Coal Company
榆家梁煤矿中厚偏薄煤层的开采技术
13.
Choice and calculation for dust catcher of dust removal system in coal port
煤港输煤系统中除尘器的选择和计算
14.
Theoretical determination of the section coal pillar's reserve-width in medium thick coal seam
中厚煤层区段煤柱留设宽度理论确定
15.
Developing China's coal chemical industry with coal dry distillation technology
利用煤炭干馏技术发展中国的煤化工
16.
Research on the rate of sulfur in coal converted sulfur dioxide in pulverized boilers of coal-fired power plants
电厂煤粉炉燃煤中硫的转化规律研究
17.
TheASTM rankings for bituminous coal, sub-bituminous coal, or lignite fit the spreader combustion process well.
美中试验材料协会根据煤在燃烧时的性能把煤分为烟煤，次烟煤，褐煤几个等级。
18.
China Coal Machinery Association
中国煤炭机械工业协会