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- Keywords pressure bump;impact tendency;method of aggregative index; 冲击地压;冲击倾向性;综合指数法;
- According to the location of rupture sources, impacting disasters had been divided into rock burst, pressure bump and mine earthquake. 根据硐室围岩破裂源的空间位置，将冲击灾害划分为岩爆、冲击地压和矿震三大类。
- The water inrush from conglomerate in the coal mine relatives to the water rich property of conglomerate and the pressure bump. 该矿的砾岩出水除与砾岩的富水性有关外,还与矿井的冲击地压有密切关系。
- Keywords Yanzhou Mining Area;mine earthquake;pressure bump; 兖州矿区;矿震;冲击地压;
- Keywords key stratum movement;shock bump;mining field;microseismic;pressure bump behavior; 关键层运动;矿震;采场;微地震;冲击地压显现;
- The testing results of working face coal samples and roof impact tendency indicated that the coal seam belongs to high impact tendency and has pressure bumping possibility. 工作面煤样和顶板冲击倾向性测试结果表明,该煤层属于高冲击倾向性煤层,具有发生冲击矿压的能力。
- Controlling Practices on Coal Seam Isolated Working Face Pressure Bump 煤层孤岛工作面冲击矿压的防治实践
- Keywords Pressur Vessel;System Soffware;Microcompter; 压力容器;系统软件;微机;
- Keywords pressur casting;plaster mould;oval platter; 压力注浆;石膏模型;鱼盘;
- Keywords Pressure Transformer;Cholecyst;Gastrointeron; 压力换能器;胆囊;胃肠道;
- Keywords pressure;fibronectin;trabecular meshwork cell;glaucoma; 压力;纤维连接蛋白;小梁细胞;青光眼;
- Keywords pressure vessels;downhand welding;continuous welding; 压力容器;平焊;连续焊;管对接;
- Keywords pressure carburizing;instillation;induration; 压力渗碳;滴注式;硬化;
- Application of fuzzy evaluation method in appraising coal seam pressure bump tendency 模糊综合评判法在煤层冲击倾向性评价中应用
- Keywords pressure buildup test;flow;afterflow;permeability; 压力恢复试井;流量;续流;渗透率;
- Accident cause analysis and prevention measures of typical deep mine heavy pressure bump 典型深部重大冲击地压事故原因分析及防治对策
- Keywords pressure fluctuation;impinging stream;frequency;react or; 压力脉动;撞击流;频率;反应器;
- Keywords Pressurizer Head Forming process; 稳压器;封头;成形工艺;
- The application of Energy Analysis during the course of pressure bump generation 能量分析在冲击地压发生过程中的应用
- Practice in dynamic prevention of pressure bump in 9202 face of San He Jian coal mine 三河尖矿9202工作面冲击地压动态防治实践
