In the constitution of energy consumption in our country, coal is the main energy, air pollution is a serious environment problem caused by coal mining and use.
我国的能源消费构成中，主要是以燃煤为主，在煤炭开发和使用中所带来的环境问题，以大气污染最为严重。
The paper introduces the working principle, constitution and application of a new type liquid variable resistance starter of high power motor used in coal mine.
介绍了一种新型矿山大功率电机液体变阻启动器的工作原理、构成及应用情况。
This special kind of constitution relationship provides beneficial condition for the forming of oil derived from coal.
显微组分间的这种配置关系为煤成油藏的形成提供了非常有利的条件。
The segmental constitution equation of coal is obtained through fitting method according to the triaxial compression test results and simplified model.
根据试验结果及模型简化拟合得出了常规三轴压缩条件下煤岩的分段本构方程。
Then based on the process of the coal-bed methane power generation and the control demand of the project, structure design and software constitution of the monitoring system are proposed.
基于煤层气发电生产工艺流程以及项目的控制要求，提出了煤层气发电生产过程监控系统结构及系统软件组成；
The chemical constitution and mineral composition were analysed with a hard kaolin(kaolinite) of the Carboniferous-Permian coal measures strata, in Baishan region of Jilin province as the sample.
以吉林白山地区石炭、二叠煤系高岭土（或高岭石）为试样，进行了矿物成分、含量分析和研磨、 煅烧、添加不同漂白剂加工工艺实验。
The chemical constitution and mineral composition were analysed with a hard kaolin(kaolinite) of the Carboniferous-Permian coal measures strata, in Baishan region of Jilin province as the sample.
以吉林白山地区石炭、二叠煤系高岭土（或高岭石）为试样，进行了矿物成分、含量分析和研磨、 煅烧、添加不同漂白剂加工工艺实验。
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