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- Keywords low gas face;top corner;gas transfinite;goaf drainage; 低瓦斯工作面;上隅角;瓦斯超限;采空区释放;
- low gas face 低瓦斯工作面
- Best staff to Export in Asia, good looking , good dumper, with low gas using. 50cc Engine. Your Best choose. 轻便环保燃油助力车.;低耗油;低噪音;城市新动力
- 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。
- High, medium and low gas pipeline 150 km, 14 offtake station, building supply rate of more than 95%. 高、中、低煤气管道150公里,14个煤气调压站,楼房供气率达到95%25以上。
- 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。
- Thousands of people demonstrated in the street for lower gas price. 成千上万的人走上街头游行,要求降低燃气价格。
- High burning heat ratio and low gas consumption. In comparison with traditional electric baker, it saves the power Baker plus and power circuit cost, economic and practical. 燃烧热效率高且耗气量少。与传统电烤炉相比,可省去电力增容和配电线路等所需支出,经济实用。
- Gas drainage in high gassy coal seam with low gas permeability is always an hard solved significant technology problem in the process of safety production. 高瓦斯低透性煤层的瓦斯抽放,一直是煤矿安全生产过程中的重大技术难题。
- The article introduces circnsmstance of Gaocheng coal mire's,discusse method of airiness ability assess and decide in low gas' outrstanding mineral well. 介绍了告成煤矿的基本情况,探讨了该矿在低瓦斯条件下,突出矿井的通风能力核定方法。
- A low gas pressure sensor based on micro-hotplate(MHP) is designed and successfully fabricated by a standard CMOS process followed by surface micromaching. 研制了一种采用CMOS工艺和表面牺牲层技术加工的微热板式低气压传感器。
- Judy bent her face low over the notebook. 朱迪把脸凑近笔记本。
- The seismic attributes above imply that gas hydrate layer may exist above the strong BSR and free gas layer below it, and the sediment layer with no free gas or very low gas saturation may occur beneath the weaker BSR. 根据上述地震特征,推断BSR上方可能存在水合物,其中在强BSR振幅部位,下方可能存在含气层,在相对弱振幅部位下方无含气层,或者为低含气饱和度的地层。
- Sealed-design assures the battery pool of the lowest gassing. 密封式设计能确保电池塘的气体产生率减至最低。
- The enlarging designed 220t/h boiler takes the advantages of compact construction, low material cost, wide fuel adaptability, better sealing feature, low gas discharging loss, reliable operation and over rated capacity, etc. 放大设计的220 t/h锅炉具有结构紧凑、占地面积小、钢耗低、燃料适应性强,密封性好、排烟损失低、运行稳定并有超出力能力等特点。
- Gas hydrate occurs as a kind of sediment cement in the first model,and is mainly distributed in volcanic ash,tuffaceous mud and turbidities with shallow depths,high porosity and low gas hydrate saturation. 第1种模式的水合物以胶结物的形式存在,主要分布在火山灰、凝灰质泥和浊流层中,埋深通常较小,孔隙度较高,水合物饱和度较低,沿地层层面分布;
- The theory of gas geology is applied to study the prob lem of gas unusual gush at first,and set-ting up systematic research thinking and method of gas geology in the low gas mines. 首次运用瓦斯地质理论研究低瓦斯矿井瓦斯异常涌出问题,形成了系统的低瓦斯矿井瓦斯地质规律的研究思路和方法。
- According to domestic and international statistic data , the occurrence probability of gas explosion is not very high, but it occasionally occurs in gas abnormal effusing area of low gas mines. 国内外统计资料表明,高瓦斯矿井发生瓦斯爆炸事故的机率并不是很高,低瓦斯矿井的瓦斯涌出异常区却时有瓦斯爆炸事故发生。
- Speeding, rapid acceleration (jackrabbit starts), and rapid braking can lower gas mileage by 33% at highway speeds. 高速行驶时,超速,猛提速(像长耳大野兔那样)或急刹车,会减少约33%25的里程。”
- The government is trying to keep a low profile on this issue. 政府力图在这个问题上保持低姿态。