释义 |
coal seam短语¹¹⁴⁴⁶⁷⁺⁴ 基本英英例句例句 n.煤层
Noun: a seam of coalCoal miners; coal seams; coal haulers.煤矿工;煤层; 运煤工 The Gaussian curvature of No. 3 coal seam in Qinshui basin is calculated. 计算了沁水盆地3号煤层的高斯曲率。 iciba The mathematical model of complex coal seam is established by mathematical statistics method. 利用数理统计的方法建立复杂煤层的数学模型。 cnki The coal seam is deeply buried, geologic construction conditions is complicated, the fault, cave pillar is many, construction control degree is low. 霍州矿区李雅庄矿煤层埋藏深,地质构造条件复杂,断层、陷落柱多,构造控制程度低。 cnki Writer analyzed systemically the mechanism and the influence factors of the spontaneous combustion in the coal seam by the research in the western open cut coal mine of Pingzhuang Coal Group Company. 通过对平庄煤业集团公司西露天煤矿的地质灾害调查,分析了煤层自燃的化学热力学机理和影响因素。 cnki Independent mining in steep and close seam can influence the next mining of the adjacent coal seam greatly, either mining from up to down or down to up. 急斜近距煤层独立开采时,无论采取上行开采还是下行开采均会对邻近煤层的再次开采产生了较大的影响。 cnki So, considering the rockburst prevention of greater gas content and higher porous pressure as background, the water injection in coal seam to prevent rockburst is researched. 因而本文以阜新矿区高瓦斯含量、孔隙压力高的冲击地压预防为背景,对煤层注水预防冲击地压进行了研究。 cnki The inversion calculation result showed that the permeability coefficient of coal seam and its changing condition can be determined by seam gas Pressure. 算例反演的结果表明,利用反演方法能够通过煤层瓦斯压力确定煤层的透气性系数及其变化状况。 cnki These results are useful for studying gas drainage in the coal seam and for Prevention of coal- gas outburst in mines. 这对于研究矿井煤层瓦斯抽放和预防煤与瓦斯突出等问题具有一定的参考价值。 cnki The quantitative designing of the support parameters according with the occurrence of coal seam and the seam condition is inevitable tendency in development of bolting support technology. 针对具体的煤层条件和围岩特点进行支护参数的量化设计,是锚网支护技术发展的必然趋势。 cnki |