1)coal wall煤壁
1.Research on gas emission law of coal wall in blasting driving gateway of Baigong Mine;百功煤矿炮掘巷道煤壁瓦斯涌出规律研究
2.Study on methane emission law from the coal wall of driving gateway in Adaohai coal mine阿刀亥煤矿掘进巷道煤壁瓦斯涌出规律的研究
3.Introduced the coal wall shallow bore high pressure to note water method to return to adopt experimenting of work noodles and appliy in the coal min of luling,analyzed coal seam to note water to the function which declines dust and safety back to adopt.介绍了煤壁浅孔高压注水方法在芦岭煤矿回采工作面的试验及应用;分析了煤层注水对降尘及安全回采的作用;详细地陈述了浅孔高压注水方法及注水效果。
英文短句/例句
1.A Study of the Rib Fall Mechanism in Soft Coal and Its Control at a Fully-Mechanized Top-Coal Caving Face软煤综放面煤壁片帮机理及防治研究
2.Study on Technology of Soft Coal Seam Rib Spalling Preventing by Water Infusion with Shallow Holes松软煤层煤壁浅孔注水防片帮技术研究
3.Study on methane emission law from the coal wall of driving gateway in Adaohai coal mine阿刀亥煤矿掘进巷道煤壁瓦斯涌出规律的研究
4.and control the productive schedule.采取煤壁浅孔注水,控制生产进度;
5.Research on the rock burst mechanism of coal tunnel wall being pushing out overall in Datong coal mining area′s "three hard" coal roadway大同矿区“三硬”煤层巷道煤壁整体推出型冲击地压发生机理的研究
6.shortwall undercutter短壁工作面用截煤机
7.Technology of coal seam Short-wall water injection to realize dustproof开展煤层短壁注水 实现煤层综合防尘
8.Idea on combined coal mining technology with multi coal shearers for longwall coal mining face长壁工作面多采煤机联合采煤工艺的构想
9.Determination of Ventilation Way at Coal Face with Longwall Mining Method长壁采煤法采煤工作面通风方式的确定
10.Three Anti-Measures for Strike Longwall Retreating Mining In Sloping Coal Seam倾斜煤层走向长壁后退式采煤法的三防措施
11.The gas is here, and you see there is plenty of closet room.煤气在这儿,你瞧壁橱多宽绰。
12.Longwall mining along the dip of the unstable coal seam and strata control不稳定煤层倾斜长壁开采及矿压控制
13.Application of π-shaped steel beam of longwall mining technology with big dip大倾角π型钢梁长壁采煤工艺的应用
14.Research on in-situ stresses and borehole stability of coal seam in Jingbian gas field靖边气田煤层地应力及井壁稳定研究
15.Slipform Construction of Large Diameter Raw-coal Buffer Silo Wall大直径原煤缓冲仓仓壁滑模施工技术
16.Adjustment and Improvement on Burner Area Furnace Near-wall Reducing Flue Gas for Coal Firing Boiler大型煤粉锅炉燃烧器区域水冷壁近壁烟气气氛调整改善
17.For coal bin, a coal arch breaker can be installed at its outlet or hyperbola wall coal bin be used.对于煤仓,可在其出口处设置破拱装置或采用双曲线壁煤仓。
18.Research on Longwall Rigid Separating Pillar Mining Technology of Small Colliery in YSF Field;榆神府矿区小煤矿长壁布置刚性隔离煤柱房柱式开采研究
相关短句/例句
wall coal壁煤
3)coal wall spalling煤壁片帮
1.With the chemical grouting and reinforced technology for the coal and rock masses,the stability of the coal and rock mass was improved and the roof accidents due to the coal wall spalling was eliminated,which had ensured the successful mining operation of t.梧桐庄矿311综采工作面煤层顶板破碎、开采煤层倾角达到20~30,°工作面煤壁片帮严重、冒顶事故频繁。
2.In order to control the coal wall spalling in the fully mechanized high cutting longwall coal mining face,with the theoretic anal- ysis,numerical simulation,site measurement and other research methods,the paper studied the coal wall spalling mechanism of the fully mechanized longwall coal mining face.为控制大采高综采工作面煤壁片帮,通过理论分析、数值模拟、现场实测等研究方法。
4)rib spalling煤壁片帮
1.Mechanism of the rib spalling and the controlling in the very soft coal seam;极软厚煤层煤壁片帮与防治机理
2.Prevention rib spalling mechanics of stepped cutting technology was analyzed by numerical simulation.研究表明:台阶式割煤工艺改善了煤壁区域的应力状态,减少了工作面煤壁片帮和端面冒顶的发生不同台阶高度比割煤所引起的围岩破坏程度不同,上下台阶高度比为1∶2时煤壁塑性破坏区最小;极软厚煤层大采高开采煤壁片帮主要以剪切滑移引起的三角斜面片帮为主,超高开采是端面顶板冒落的主因。
3.The rib spalling is one of the main factors restricting the safe and high efficient mining of fully-mechanized caving with great minng height.片帮问题是制约大采高综采面安全高效开采的主要因素之一,为了弄清大采高工作面煤壁片帮特征,采用压杆理论分析完整性较好的煤壁的挠度特征,得到了煤壁容易发生片帮的位置在煤壁的中上部,并与现场实测结果对比分析,得到了大采高综采面两种典型的片帮形式:半煤壁片帮和整个煤壁片帮。
5)failure of rib煤壁破坏
6)short-wall coal mining短壁采煤
延伸阅读
标准煤(见煤当量)标准煤(见煤当量)standard coal 、~‘~1人、4《1工兀飞coal)见煤当等