Coal and gas outburst is an extremely complex dynamic disaster in coal mine production
process which will damage casualties and equipment facilities, and disorder the ventilation …

Coal and gas outburst is a kind of complex dynamic disaster with short duration and strong
explosiveness, and the modes and strength of the outburst are determined by the in situ …

为了研究煤粒瓦斯的解吸和放散规律, 设计了煤粒瓦斯解吸实验, 得到不同粒径煤样在不同初始
压力条件下累积解吸量随时间变化的实测曲线. 根据达西定律, 建立煤粒瓦斯放散的数学模型 …

使用大型煤与瓦斯突出模拟实验装置, 模拟不同集中应力区应力水平条件下的型煤试件的煤与
瓦斯突出, 探索集中应力区应力水平对煤与瓦斯突出特性的影响规律. 通过对实验结果的分析 …

矿井构造是制约煤炭生产的最重要因素之一, 不仅直接影响到煤矿生产效率,
同时对矿井瓦斯突出和突水等严重威胁煤矿安全生产的地质灾害具有重要的控制作用 …

During the process of cross-cut coal uncovering, the stress and gas pressure of the coal
mass change with time and even lead to coal and gas outburst. This paper establishes a …

煤与瓦斯突出, 矿井突水, 冲击地压, 冒顶等煤矿动力地质灾害对煤炭安全生产构成严重威胁,
加强煤矿动力地质灾害形成机理和分布规律研究是确保煤矿安全生产的前提条件和基础工作 …

运用空心包体地应力测量方法进行了开滦矿区地应力测试, 系统分析了开滦矿区地应力场的类型
, 作用特征及其与区域构造的关系, 在此基础上分析了开滦矿区煤与瓦斯突出 …

The coal measure strata formed in the late Paleozoic era underwent tectonic movements on
several occasions, leading to the development of a range of fold structures in the strata as a …

Managing expenditure on medications is a serious challenge faced by patients, in particular
for those who cannot afford costly health care. Predicting patient's spending on medications …