1.
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
2.
soil pollution and residue in plant
土壤污染和植物残毒
3.
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
4.
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。
5.
An Introduction to Coal-forming Plants in Xiahuayuan Formation,Yuxian Coalfield,Hebei Province
河北蔚县煤田下花园组成煤植物初探
6.
Coal is destructively distilled leaving a solid residue, coke.
煤被干馏后剩下固体残余物：焦炭。
7.
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
8.
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
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.
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
12.
Carbonized plant remains are commonly abundant.
碳化植物残余通常是丰富的。
13.
Selection of Woody Plant Phytoesterases Used in the Detection of Pesticide Residues
农残检测用木本植物酯酶的筛选研究
14.
Chemical changes have made a great many plants into coal, oil, and gas.
化学变化使得大量植物变成煤、石油和煤气。
15.
Compression and hardening over long periods of time, the processes by which coal is formed from plant materials.
煤化作用经过长期压缩和硬化，植物成煤的过程
16.
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。
17.
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
18.
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