您要查找的是不是：
- Keywords coal seam floor;the Fast Lagrangina Analysis of Continua;construct stress; 煤层底板;快速拉格朗日分析;构造应力;
- 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。
- Through 3 case studies,the paper introduced the PROTEM 67D transient electromagnetic system geological results when used in coal seam floor water abu ndant zone,water conducted zone and abandoned mine water prospecting. 通过矿区勘探的三个典型实例,介绍了PROTEM67D瞬变电磁系统在探测煤层底板富水区、导水通道老窑积水等方面的应用及取得的地质效果。
- The results show that aquiclude of coal seam floor has obvious elimination to water head, and the actual water pressure exerting to the effective water resistant layer is lower than that of aquifer. 结果表明：隔水层的原始导高带对含水层水头具有较大的消减作用，作用于有效隔水层的实际水头压力远小于含水层的水头压力。
- Keywords coal seam;coal petrography;maceral; 煤层;煤岩类型;显微组分;
- water inrush from coal seam floor 煤层底板突水
- Research of Coal Seam Floor, S Mining Fracture Feature 煤层底板采动破坏特征的研究
- Keywords coal seam thickness;substep drivage;support parameter;support method; 煤层厚度;分台阶掘进;支护参数;支护方法;
- Keywords coal;spontaneous combustion of coal seam;geologic hazard;Wuhai city; 煤炭;煤层自燃;地质灾害;乌海市;
- Keywords Coal seam;hydraulic fracturing;microcrack;production increase; 煤层;压裂;微裂缝;增产;
- Application of Grout off Reform Technique in Coal Seam Floor of Juji Mine Working Face 工作面煤层底板注浆改造工艺在车集矿的应用
- Keywords Coal seam;Producing dust property;Producing dust rule;Explosivity of smut;Research; 关键词煤层;产尘特性;产尘规律;煤尘的爆炸性;研究;
- Probe into the calculation formula of coefficient of water bursting from coal seam floor 煤层底板突水系数计算公式的探讨
- Keywords coal thickness coefficient of variation;mineable probability;CPR;stability grading of coal seam; 煤层厚度的变异系数;可采概率;变概比;煤层稳定型别;
- ANALOGY SIMULATION METHOD FOR WATER INVASION FORECASTING OF MINING INFLUENCED COAL SEAM FLOOR 突水预测的采动煤层底板相似模拟方法研究
- Study of hydrochemical characteristics in Karst water of coal seam floor in the Mining District of North Anhui 皖北矿区煤层底板岩溶水水化学特征研究
- Keywords coal seam water injection;magnetized water;physicochemical properties;seepage;wetness; 煤层注水;磁化水;理化特性;渗透;润湿;
- Application of similar material simulation in research of coal seam floor failure regularity 相似材料模拟在研究煤层底板采动破坏规律中的应用
- Keywords Coal seam affusion;Affection factors;Rough set;Reduction;Information systems; 煤层注水;影响因素;粗糙集;约简;信息系统;
- Technological Management of Grouting Reconstruction of Coal Seam Floor Within Rich Aquifer Region 工作面底板注浆改造在富水异常区内的技术管理
