1.
Analysis of Coal Property Change in Qidong Coalmine and Its Mayor Controlling Factors
祁东煤矿煤质变化特征及主要影响因素分析
2.
The Research and Application of the Technology to Improve the Adaptability to the Changes of Coal for the Boiler Using Inferior Coal;
提高劣质煤锅炉对煤质变化的适应性的技术研究与应用
3.
The influence of the coal quality variation on boil combustion and its countermeasures
煤质变化对锅炉燃烧影响及其应对措施
4.
Study on the characteristics and variation regulations of coal quality in A'ai mining area of Tabei coalfield
塔北煤田阿艾煤矿区煤质特征及其变化规律
5.
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
6.
Coal Property Characteristics and Change Rules of Yongqing Group Coal Bed in Jixi Basin
鸡西盆地永庆组煤层的煤质特征及其变化规律
7.
Discussion on the variation of other quality index on different ash yield condition for Shendong gasifying coal
神东气化用煤在不同灰分下煤质指标的变化情况
8.
Study on Variability of Physical and Chemical Properties of Sandy Soil after Coal Mining Subsidence
采煤塌陷后风沙土理化性质变异性研究
9.
Analysis on the coal characteristics and its change regularity in Yaoshang mining area in Fujian Province
福建瑶上矿区煤质特征及其变化规律分析
10.
Effect of solvent and moisture on rheological property of oil-coal slurry
溶剂和水分对液化油煤浆流变性质的影响
11.
AGEING STUDY OF COAL TAR PITCH MODIFIED BY RUBBER FOR PAVEMENT CHANGES OF ASPHALTENE STRUCTURE AND FUNCTIONAL GROUP
煤沥青橡胶改质道路沥青老化研究──沥青质结构与官能团变化
12.
Study on Weathering Material Physical and Chemical Property Changes of Gangue Pile in Natural Weathering Process
煤矸石自然风化进程中风化物理化性质变化研究
13.
The experimental research on petrological transformation of low rank coal during its enhancement of plastic characteristics by hydrogenation
低变质烟煤加氢增塑过程中岩相特征变化试验研究
14.
Enhancing coal quality management and enhancing check for coal quality responsibility;
加强煤质管理 强化煤质责任考核
15.
Properties and effects of process solvent of direct coal liquefaction in PDU test runs
煤直接液化装置开车过程中循环溶剂性质变化规律及其影响
16.
Outbursts of coal and gas prone is related to the evolution history of deformation and coalification of coal-seams.
煤与瓦斯突出倾向与煤层的变质变形历史有关。
17.
thick-layer apt to oxidation type characterized by large thickness of coal seam and low metamorphic degree, and transition type.
以煤层厚度大和低变质程度为特征的厚层氧化类型; 过渡类型.
18.
The Study of Varied Thickness of Coal Seam Using MCNP Method in the Coal Quality Analysis Experiment by Neutron
中子煤质分析实验中应用蒙特卡罗模拟方法进行煤层厚度变化的研究