Interaction mechanism of the interface between a deep buried sand and a paleo-weathered rock mass us

来源 :矿业科学技术学报:英文版 | 被引量 : 0次 | 上传用户:TORO_123
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
In order to evaluate the feasibility of safe mining close to the contact zone under reduced security coal pillar conditions at a coal mine in eastern China, the interaction mechanism of the interface between deep buried sand and a paleo-weathered rock mas
其他文献
首先,坚持切合中国实际的理论是推进市场化改革的前提。中国需要借鉴西方经济理论的有益成分,结合中国经济发展的现实,形成和完善具有中国特色的经济理论。其次,体制机制和制度性
习近平在比利时布鲁日欧洲学院演讲时,以茶和酒喻义东西文明的兼容共荣。指出“茶的含蓄内敛和酒的热烈奔放代表了品味生命、解读世界的两种不同方式。但是,茶和酒并不是不合兼
Dry coal separation has been the most significant process in the field of coal beneficiation to date, because of its special advantage of operation with no wate
Laojunmiao coal samples from the eastern Junggar basin were studied to understand the relationship between coal resistivity and the physical parameters of coal
在殇思甲午战争120周年之际,回顾这场战争清军在大连的溃败,特别是日军旅顺大屠杀所犯下的反人类罪行,时刻警示我们永矢不忘,自强复兴,圆梦中华。
Spontaneous combustion of coal is a major cause of coal mine fires.It not only poses a severe hazard to the safe extraction of coal resources,but also jeopardiz
Borehole inclinometers are important observation instruments used to measure ground tilt movement and monitor crustal deformation of solid tides and geological
Traditional methods for assessing effective roof support can be difficult to apply to complex three-dimensional excavations. Through worked examples,the approac
For the purpose of obtaining small molecular and oxygen-containing aromatic compounds,taking a toluene-extracted coal pitch as the research object,the oxidation
In this study, a series of flame-retardant polyisocyanurate-polyurethane (PIR-PUR) foams were prepared using various concentrations (0-25% by weight) of expanda