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- Coal 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。
- Factors affected coal seam permeability change and its law is analyzed. 分析了煤层透气性变化的影响因素及变化规律。
- The outburst-proneness of 6# coal seam are studied with five indexes. 采用5种指标对该矿6%23煤层冲击倾向性进行了实验研究。
- Having Designed an extrude intake algorithm for the half edge graph partitioning problem, this algorithm can solve machine redundant manufacturing cell design problem. 设计了针对半边图划分问题的半边图挤出吸入算法,用此算法求解了机器可选制造单元成组设计问题。
- Coal seams intermixed with iron ore. 煤层和铁矿混杂在一起。
- Multi-way half edge graph partitioning problem with redundant plan paths is the complex combination optimizm problem that has various constraint. 计划路径可选的半边图划分问题是一类含有多种局部约束的复杂组合优化问题。
- The way and principle of Gaussian curvature method for forecasting natural fracture zones in coal seam are discussed. 摘要论述了高斯曲率法预测煤层天然裂隙发育区的基本原理和方法。
- Outburst prevention technique of excavating in coal seam will be directly concerned colliery safety production and excavates taking over. 摘要突出煤层煤巷掘进防突直接关系到煤矿的安全生产和采掘接替。
- The probably solution of complex combination optimizm problem can describe by half edge graphs,designed a extrude intake algorithm for graph,this algorithm can solve manufacturing cell design problem. 用半边图来描述复杂组合优化问题的可能解,在此基础上设计了针对图的挤出吸入算法,用此算法求解了一个典型的复杂组合优化问题,制造单元设计问题。
- Coal seams intermixed with iron ore . 煤层和铁矿混杂在一起。
- Long- wall double working- face combined winning technical practice in faull lager small section coal seam. 断层带小块段煤层走向长壁双工作面联合开采技术实践。
- Research on coal bedding structure is the theory foundation and precondition of coal seam gas exploitation. 煤体层理结构的研究是煤层气开发开采的理论基础和前提条件。
- So it is feasible used the logging data to forecast coal seam gas content,and the applied value is enhance further. 证明用测井资料预测煤层瓦斯含量是可行的,从而进一步加强了测井资料的实际应用价值。
- The authors used the Analytic Hierarchy Process(AHP) in the researches of coal seam floor water-irruption. 将系统工程中的层次分析法引入煤层底板突水的研究中。
- Generation Calculus of Half Edge Graph 半边图模型之构造演算
- The technology of roadway protection with coal waste residue concrete and application in thin coal seam are introduced. 介绍了煤矸渣混凝护巷技术及其在薄煤层中的应用。
- half edge graph partitioning problem 半边图划分
- The main coal seam of Taiping colliery is 11~# coal seam with a thickness of 1.5 m. 太平煤矿主采11%23煤层;煤厚1.;5 m
- The gauge can simultaneously measure quantity and pressure of water infused into coal seam. 该水表能同时测定注入煤层中的水量和注水压力。
