特殊煤柱,special coal pillar
1)special coal pillar特殊煤柱
1.In order to eliminate the triangular coal pillars—special coal pillars left due to the geological structure influences affected to the protected layer,taking 172202 coal mining face in Dashucun Mine as the trial location,according to the mutual relationship and the pressure released angle of the No.为了消除由于受地质构造影响而留设的特殊煤柱——三角形煤柱对被保护层的影响,以大淑村矿的172202工作面为试验地点,根据2号煤层和4号煤层的相互关系及卸压角,确定了该三角形煤柱影响下的未保护范围,并根据软件模拟分析,提出了该特殊煤柱影响范围应为椭圆形区域;并对影响区域先后采取了瓦斯抽放措施和排放钻孔防突措施,使该区域的瓦斯抽放率达到31%以上,实现安全回采。
英文短句/例句
1.Evaluation on Determination of Special Coal Pillar Effect Area Scope and Outburst Control Results特殊煤柱影响区域范围确定及消突效果评价
2.Integrated CAD/CAM System for Maching a Special Cylinder面向特殊柱面的CAD/CAM集成系统
3.Tentative Study on the Special Employment - Reemployment System:in Coal Cities;煤炭城市特殊就业再就业体系的探索
4.Failure Characteristic of Residual Coal Pillar and Its Influence on Downward Mining残留煤柱破坏特征及其对下部煤层开采影响
bin gateway and pillar with fully mechanized top cawing mining technology in steep inclined special thick seam急倾斜较薄特厚煤层巷柱-综采放顶煤开采技术
6.SUBSIDED COLUMN OF KARST IN SIIENNANCOAL-FIELD AMD ITS WATER FLOWING CHARACTERISTICS沈南煤田岩溶陷落柱及其导水性特点
7.Research on improvement of reciprocating seal life of special piston pump提高特殊柱塞泵往复密封寿命的优化设计
8.Performance Test for Plunger Pump and Hydraulic Cylinder Performed Under Special Working Conditions特殊工况下柱塞泵和液压缸的性能测试
9.The State shall take special protective measures for miners working in underground coal mines.国家对煤矿井下作业的职工采取特殊保护措施。
10.The Study on Synthesis Mechanization Mining Technique in Thin Coal Seam of Special Geology Condition in Donghuantuo Mine;东欢坨矿特殊地质条件下薄煤层综采技术研究
11.Leakage prevention for ash site in typical landform area特殊地形地貌区燃煤电厂灰场防渗对策
12.Influence analysis of coal preparation plant special environment on concrete structure component选煤厂特殊环境对混凝土结构构件的影响分析
13.Because of coal industry particularity, after improving taxation, value added tax has added to enterprise tax burden.由于煤炭行业的特殊性,税改后现行增值税加重了煤炭企业税负。
14.Where customers have special requirements for coal quality, they shall have to reach an agreement with the seller in a purchase and sale contract.用户对煤炭质量有特殊要求的，由供需双方在煤炭购销合同中约定。
plexity Assessment of Mining Technology for Thin Coal Seam and Particularity Working Face;薄煤层煤矿生产车间特殊开采生产技术的复杂性评价
16.Special appearance of REE geochemistry of soluble hydrocarbon in coal--An example of a middle rank coal from Weibei煤可溶烃中一种特殊的稀土元素地球化学现象——以渭北中熟煤为例
17.Discussion on Tertiary Hydro-geological Feature and Pillar Setting in Efflorescent Oxygenized Belt第三系水文地质特征与风氧化带煤柱留设
18.Characteristics of Coal Pillar"s Concentrated Load and Its Influence on Surrounding Rock Stress of Roadway煤柱集中载荷特征及其对巷道围岩应力的影响
相关短句/例句
special coal mining特殊采煤
1.This paper summarized the achievements of modern underground mining technology theory and practice made by Mining Branch CCRI and pointed out the tendency of modern underground mining technology from fully mechanized caving and mining technology,hydraulic powered support technology,bolt support technology in seam roadway andspecial coal mining technology.从综采与综放技术,液压支架技术,煤巷锚杆支护成套技术,特殊采煤技术等专业领域论述了煤科总院开采分院在地下开采现代技术理论与实践方面取得的成果及工程应用,展望了地下开采现代技术的发展趋势。
3)special coal types特殊煤种
1.A copious resources ofspecial coal types exist in Western China.我国西部地区蕴藏着较为丰富的特殊煤种资源 ,这些具有特殊工艺性质和用途的煤种具有很高的经济价值 。
4)special coal seam特殊煤层
1.LTCC mining method used forspecial coal seam of Jining No.2 coal mine;济宁二号煤矿特殊煤层条件下综采放顶煤开采
5)special mining and falling coal method特殊放煤法
6)special[英]["spe?l][美]["sp???l]特殊
1.Reliability study of φ98 mm(4英寸)special casing packing;φ98mm(4英寸)特殊套管密封性研究
2.The Summary of the Special Medical Records to Enhance the Value of Medical Records;做特殊病案总结 提高病案利用价值
延伸阅读
特殊不同一般的；不平常的：特殊性｜情况特殊｜特殊待遇。
