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- Gas Control at High Gas Face in Didao Shenghe Coal Mine 滴道盛和煤矿高瓦斯工作面瓦斯综合治理
- high gas face 高瓦斯工作面
- Pneumatic conveying requires comparatively high gas velocities. 气力输送需要比较高的气体速度。
- Well, what the high gas prices have to do with a bottle of tequila? 高涨的油价和一瓶龙舌兰酒究竟有什么关系呢？
- Through the research of high gas and multi-water-bursting hazards prevention techniques in Jiaozuo coal mine regions, the mining coal method of caving working face is found. 通过对焦作矿区高瓦斯多水害防治技术研究，找出适合该条件下的炮采放顶煤模式的采煤方法。
- In this paper,the gas emission method of primary mining in high gas coal face are summarized systematically,which provides reterence for other similar coal mines. 本文系统地总结了淮南高瓦斯工作面初采期间瓦斯抽放方法,以供类似条件的矿井参考。
- Through the research of high gas and multi-water-bursting hazards prevention techniques in Jiaozuo coal mine regions,the mining coal method of caving working face is found. 通过对焦作矿区高瓦斯多水害防治技术研究,找出适合该条件下的炮采放顶煤模式的采煤方法。
- At high gas velocities the circulation of solids becomes appreciable. 在高气速时，固体颗粒循环变得显著了。
- Microstructural changes on coke face and gas face of used silica brick for coke oven chamber were studied by means of OM,SEM,EDAX and XRD. 借助于OM、SEM、EDAX和XRD分析手段对用后焦炉炭化室硅砖炭化面和燃烧面的显微结构变化做了研究。
- As a typical example,the spiral grooved gas face seal was analyzed in detail with the consideration of seal face's waviness and taper through finite element method. 本文以螺旋槽气体润滑机械密封为研究对象,采用有限单元法分别对周向波度、径向锥度对其低速运转性能的影响规律进行了较为详细的分析研究。
- However, in areas with weaker hydrodynamics, or stagnant area, the coal usually has high gas content. 相反,在水动力不活跃地区或滞流水区域,煤层气的含量就比较高。
- Direct expose to flame and high gas veloc-ity and high resistance to erosion-abtasion. 可直接接触火焰，耐高速气流冲刷，抗风蚀能力强；
- She is looking for a job in a tight economy, and the high gas prices are crimping her search. 她在收缩的经济中正找工作，而高油价让她的找工也受阻。
- Because of crack structure,high gas amount,concentrated stress,soft and broken coal,it's very difficult for tunneling. 巷道在掘进时由于受断裂构造的影响,瓦斯含量大,应力集中,煤体松软、破碎,掘进困难。
- Research on feasibility of electric submersible pump application in high gas oil ratio oil well in some oil field block is made. 针对部分高含气油藏的特点,探讨使用潜油电泵的可行性。
- Cinder cone volcanoes are formed when magmas with high gas contents and high viscosity are blown high into the air during an eruption. 火山渣锥火山是，当爆发时，高气体含量和高粘度的熔岩被喷发到空气中而形成的。
- Fast-forward to last year when, during record high gas prices, Kia launched its nearly full-size, seven-passenger Borrego. 快进到去年，在创纪录的高油价，起亚推出了近全尺寸7座博雷戈。
- Germany Fu Palace Hotel and the positioning and size, traffic and location, and future high gas traders, investors have been adding a lot of good. 因而德富宫大酒店的定位和规模、交通和位置、未来的人气和商气，被不少有眼光的投资者看好。
- A kind of technics of oil production with ESP in high gas oil ratio oil well is found to widen application range and fields of ESP. 找出一种适合潜油电泵在高油气比油井中应用的采油工艺,进一步拓宽潜油电泵的应用范围和领域。
- Deep-hole presplitting explosion in coal seams with high gas content and low permeability was numerically simulated and analyzed. 摘要针对高瓦斯低透气性煤层，对深孔预裂爆破进行了数值模拟分析研究。
