检索结果-南通市图书馆

geophysical characteristics of anthracites with various structures: a case study on the southern Qinshui Basin, north China

引用

Frontiers of Earth Science 2022年第3期16卷 696-710页

作者： Juan TENG Zhigang WEN Chen LI Lingye MENG Hubei Key Laboratory of Petroleum Geochemistry and Environment Yangtze UniversityWuhan 430100China College of Resources and Environment Yangtze UniversityWuhan 430100China Research Institute Company Limited CNOOCBeijing 100028China Institute of Petroleum Exploration and Development of PetroChina Tarim Oilfield Korla 841000China

Deformation of coals under tectonic movements could cause reduction of mechanical strength and enhancement of gas adsorption,which might result in coal and gas outburst,and cause safety and environmental *** this study,geophysical characteristics of coals with various structures were investigated with a special emphasis on characterization of pore size distribution,rock mechanical strength,acoustic emission,resistivity and acoustic velocity of anthracites with three types of structures in the Qinshui Basin,north *** studied No.3 coal seam developed three types of structures,namely undeformed coal,cataclastic coal,and granular *** observations under scanning electron microscope and pore size distribution using N2 and CO_(2) adsorption of anthracites of three types show that the undeformed coal consists of primary micropores,and cataclastic coal is mainly composed of mesopores and well-connected *** comparison,granular coal has the least *** mechanical strength,acoustic emission,resistivity and acoustic velocity of coals with three structure types were investigated under uniaxial and triaxial *** increasing degree of deformation of anthracites,compression strength,Young’s modulus,density,acoustic emission counting and acoustic velocity decreases,while resistivity *** suggest that the evolution of pore size distribution of anthracites with increasing degree of deformation contributed to variations of geophysical characteristics of coals with different structures to some extent.

关键词： geophysical characteristics coal structures pore size distribution acoustic emission electrical resistivity acoustic velocity

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

geophysical characteristics of Songliao,Bohaiwan and Jianghan Basins,East China

引用

Journal of Earth Science 1997年第1期16卷 21-24页

作者： Liu Tianyou Shi XuemingDepartment of Geophysics, China University of Geosciences, Wuhan 430074

ongliao, Bohaiwan and Jianghan basins are typical rift basins in East China, whose geophysical characteristics are described as follows: (1) The trends of the regional gravity and magnetic field are dominantly NNE, which indicates that the fault network of the basement is NNE and NE. (2) The deep gravity anomalies are mirror reflection of the depression areas associating with high heat flow, which can be explained by the uplift of Moho surface in these basins. (3) The crust has twolayer structure consisting of granite and basalt rocks, and there exist highconductivity and lowvelocity layers in the crust and in the upper mantle. (4) The oil and gas enrichments are distinctly related to the degree of the asthenosphere upwelling and crust thinning and high heat flow.

关键词： geophysical characteristics riftdepression basin East China.

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：