1.
The State shall encourage coal mining enterprises to carry out second mining or extract residual coal at the margins of mining areas and very thin coal seams.
国家鼓励煤矿企业进行复采或者开采边角残煤和极薄煤。
2.
Optimization of microwave-assisted extraction coal and analysis of soluble fraction and residue
微波辅助抽提煤的条件优化及抽提物和残煤的分析
3.
Coupling effect of temperature field and stress field in residual coal spontaneous combustion
残煤自燃过程中温度场与应力场耦合作用
4.
Realization of Detecting the Residual Coal in the Hoisting Skip Based on Nuclear Detection Technique
基于核检测技术的箕斗残煤检测的实现
5.
Preliminary Study on the Petrology of the Devonian Liptobioliths in Luchiuan, Yunnan
云南禄劝泥盆纪角质残植煤的煤岩研究
6.
Failure Characteristic of Residual Coal Pillar and Its Influence on Downward Mining
残留煤柱破坏特征及其对下部煤层开采影响
7.
Coal is destructively distilled leaving a solid residue, coke.
煤被干馏后剩下固体残余物：焦炭。
8.
MORPHOLOGY AND COMPOSITION OF FLY ASH RESIDUES OF POZZOLANIC REACTION
粉煤灰火山灰反应残渣的形貌及组成
9.
Numerical Simulation and Experimental Study on Combustion Characteristics of She Hua Coal Liquefaction Residual and Liquefaction Residual CWS;
神华煤液化残渣及水煤浆的燃烧特性研究与数值模拟
10.
Study on the Factors of Residual gas Content of Broken Anthracite of Sihe Coal Mine
寺河矿无烟煤采落煤残余瓦斯含量变化规律研究
11.
The residual value of the mine after all of the coal is removed is estimated to be $5.
煤被开采完毕后该矿的残值预计为5美元。
12.
The Research of Coal Liquefaction Residue Solvent Extraction and the Characteristics of the Extract
煤液化残留物溶剂萃取及其萃取物的特性研究
13.
Study on Effect of Residue Produced by Microbial degradation of Coal Gangu Filled into Underground Mine on Groundwater
煤矸石井下填充后降解残渣对地下水的影响
14.
Enlightment from Extracting Residual Coal Pillar in Yangzhuang Colliery
杨庄矿在矿井残留煤柱开采中的几点启示
15.
PREPARATION 4A-MOLECULAR SIEVE WITH SULFATE RESIDUE FROM FLY ASH EXTRACTION OF ALUMINUM
粉煤灰提取硫酸铝的残渣制备4A分子筛
16.
PREPARATION OF GLASS-CERAMICS FROM FLY-ASH RESIDUE AFTER EXTRACTING VALUABLE COMPONENTS
提取粉煤灰有价成分后固体残渣制备微晶玻璃
17.
Once all of the coal has been removed from a coal mine, for example, the mine is "fully depleted"and will be abandoned or sold for its residual value.
例如,一旦煤矿里所有的煤都被开采出来,该煤矿就完全耗尽,将被废弃或以残值出售。
18.
"After destructive distillation, coal leaves a solid residue, coke, while, coal-tar and pitch are collected as a distillate, and coal-gas is collected in gasometer"
煤干馏后剩下的固体残渣焦炭,而煤焦油和沥青则作为馏出物收集起来, 煤气则收集于储气器中