• With the rapidly development of the text data, text mining have been an important study direction in data mining area.

    随着文本数据迅速增长,文本挖掘已经成为了数据挖掘领域的一个重要研究方向

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  • This paper discusses the environmental geological problems resulted from the development of coal resources in the coal mining area in Pingdingshan city, He'nan Province.

    分析了平顶山矿区煤炭资源开发带来环境地质问题

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  • With the analysis on the pressurized mercury experiments, a research was done on the development conditions of the porosity and fissure systems in the seams of the coalfield in Qinan Mining Area.

    煤层气生成机制及其地质控制、煤储层孔隙结构吸附/解吸行为、煤储层裂隙系统及其对渗透率影响三个方面,有重点总结了国外有关煤层气成因和煤储层物性研究进展。

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  • With the analysis on the pressurized mercury experiments, a research was done on the development conditions of the porosity and fissure systems in the seams of the coalfield in Qinan Mining Area.

    煤层气生成机制及其地质控制、煤储层孔隙结构吸附/解吸行为、煤储层裂隙系统及其对渗透率影响三个方面,有重点总结了国外有关煤层气成因和煤储层物性研究进展。

    youdao

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