The resources of low rank coal in the world have introduced in this paper.
本文介绍了世界低煤阶煤炭资源及其分类。
Finally, the paper provides the applications of multimedia technology in coal mine.
本文最后讨论了多媒体技术在煤矿中的实际应用。
The structure of new-designed SX2 rotary type coal division device is introduced in this paper.
介绍了SX2型旋转缩分器的结构特点及其在煤炭机械化采制样装置中的应用。
The paper provided the development tendency of the coal analysis and measurement technology in China.
开发煤的特性试验方法和检测技术；
The development in research of coal carhan black was introduced in this paper.
本文介绍了煤质炭黑的研究及其进展。
This paper discusses the destruction of coal development to mine environment and its treatment countermeasure.
探讨了煤炭开发对矿山环境的破坏与治理问题。
The paper reviews the comprehensive use of coal gangue in detail.
对煤矸石的综合利用进行了较全面地介绍。
This paper dealed with coal mine safety issue by putting it under social responsibility framework.
本文针对煤炭企业安全事故频发的现状，将煤矿安全置于社会责任框架下进行研究。
The paper analyzes the difference between China and American coal-mine safety.
系统地分析了我国的煤矿安全与美国相比所存在的差距与不足。
This paper offer the algebra ray method to preserve protective coal pillar.
本文采用代数射线法留设保护煤柱。
The paper chooses a typical district in the Jiaozuo coal mine as a case study.
本文以焦作矿区典型地段为研究实例。
In this paper, we deal with the problems of selecting the location of coal concentrated_station.
主要解决选择集煤站位置的问题。
In this paper, we deal with the problems of selecting the location of coal concentrated_station.
主要解决选择集煤站位置的问题。
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