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roof water
相关语句
  顶板水
     Occurrence Rules of Roof Water in Ⅱ 867 Mining Face
     Ⅱ867工作面顶板水的赋存规律
短句来源
     Roof Water Prevention Method of 3~(rd) Coal Seam in Zhaozhuang Colliery
     赵庄矿井3~#煤层顶板水防治方法探析
短句来源
     According to the hydro geologyical conditions of face, analyze the possibility of the floor gushing water and introduce the way of controlling the roof water.
     根据工作面水文地质条件 ,对工作面底板水突出的可能性进行了分析 ,介绍了顶板水的治理方法
短句来源
     Integrated Control of Roof Water Inrush on High Yield and High Efficiency Integrated Caving Faces
     高产高效综放工作面顶板水综合防治
短句来源
     Through integrated analysis of T2195 working face roof water inrush water quality examination, periphery mining situation, the authors are of the opinion that the T2195 face water inrush is mainly from roof water of No. 5 coal seam, water from ground grouting is only one kind of indirect intake.
     通 过 对 T2195工 作 面 顶板 涌 水 水 质化 验 、周 边 开 采 情 况 的 综 合 分 析 认 为:T2195工 作 面 涌 水 以 5煤 层 顶 板 水为 主,地面 注 浆水 只是 起 了间 接补 给 作用 。
短句来源
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  “roof water”译为未确定词的双语例句
     Study on the Predictive Method of Mine Roof Water Inrush Based on Fuzzy Matter Element Model
     基于模糊物元模型的矿井顶板涌水预测方法研究
短句来源
     An evaluation of roof water inrush grade using fuzzy mathematics method
     顶板涌水等级评价的模糊数学方法
短句来源
     Key Points and Advantages of Design and Construction with Siphonic Water Drainage System-A Comparison of Roof Water Drainage System in Ningbo Grand Theatre
     虹吸式排水系统设计施工要点及优越性——宁波大剧院屋面排水系统比较
短句来源
     This paper introduces the hydrological features and the type of water disaster, and expounds the prevention and control technology of Ordovician limestone water, carboniferous limestone water, sandstone roof water, goaf water and water penetration through not properly sealed bore holes.
     介绍了任楼煤矿水文地质特征及矿区水害类型,阐述了矿区奥灰水、石炭系灰岩水、顶板砂岩水、老塘水及封闭不良钻孔导水的治理技术。
短句来源
     The forecast system of mine roof water disaster based on the fuzzy matter-element model is made up of with the data information administer system and the forecast system of mine roof water inrush.
     基于模糊物元模型的矿井顶板涌水预测系统主要由矿井顶板涌水数据信息管理系统、矿井顶板涌水预测系统两部分组成。
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  相似匹配句对
     in water was for P.R.
     R.
短句来源
     Underground Water on the Roof of the world
     屋脊上的地下水
短句来源
     Water
     水
短句来源
     Study on the Water-Proof Slab on the Roof
     屋面防水胶板的研制
短句来源
     Fiddler on the Roof
     《屋顶上的提琴手》:种族,世代,阶级与性别冲突的史诗
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  roof water
The technologies investigated include reed beds, membrane bioreactors (MBR); membrane chemical reactors (MCR) and an innovative green roof water recycling system (GROW).
      
The standard categorises cross connection between mains water supply and a domestic roof water tank as a low hazard connection.
      
The lower volume for facilities using roof water tank supply reflects the fact that supply constraints ensure good water use habits.
      
Samples of the roof water were analyzed and contained approximately 3.5% calcium chloride, 1% magnesium chloride and 10% sodium chloride.
      
Roof water runoff rates can be substantially reduced by temporary detaining roof water.
      
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By means of using the method of dual-statistical model identification in this paper, the best dual-statistical model and relevant regressive coefficients among the heightof roof water flowing fractured zone and total ming height of coal seam and uniaxial compressive strength of relevant roof strata have bee obtained. The model, compared with measured information, has higher precision. A convenient and practical formula used to estimate the height water flowing fractured zone has been provided...

By means of using the method of dual-statistical model identification in this paper, the best dual-statistical model and relevant regressive coefficients among the heightof roof water flowing fractured zone and total ming height of coal seam and uniaxial compressive strength of relevant roof strata have bee obtained. The model, compared with measured information, has higher precision. A convenient and practical formula used to estimate the height water flowing fractured zone has been provided for underwater mining. 1fig., 2tabs., 4refs.

本文运用二元统计模型辨识方法.得出了顶板导水裂缝带高度(H)与煤层累计采厚(∑M)及顶板岩层单向抗压强度之间的最佳面归模型和相应的面归系数.该模型经与实测资料对比具有较高的精度.为煤矿进行水体下采煤提供了一种既方便又实用的预计顶板导水裂缝带高度公式。图1,表2,参4。

Extensive efforts have been made to relieve the underpressure of water supply systems in many cities and towns.The solution to build new water utilities may be very effective but does often involve prohibitively high cost.After an investigation being made,the author recommends the following schemes:to operate different pressures for different zones in the case where underpressure is prevailing for the whole city or town,which can result in a lower pressure drop and power saving;to exert the central pressure...

Extensive efforts have been made to relieve the underpressure of water supply systems in many cities and towns.The solution to build new water utilities may be very effective but does often involve prohibitively high cost.After an investigation being made,the author recommends the following schemes:to operate different pressures for different zones in the case where underpressure is prevailing for the whole city or town,which can result in a lower pressure drop and power saving;to exert the central pressure boost for newly developed districts and satellite towns;to use individual pressurization for highrise buildings and the users with special requirements;and to benefit simply from the installation of roof water tanks for the city or town where the water can reach to the third storey of buildings daytime and to the roof at night under the pressure of municipal pipelines.

为补救我国城镇供水水压的不足,各地采取了不少措施。作者调查分析后认为:在水压普遍不足的城镇,采用分区分压供水可减少阻力,降低电耗;新区和卫星城宜采用集中加压方式;高层建筑和个别用户可采用单独加压方式;城市管网水压白天能上三楼,夜间可至屋顶地区,设置屋顶水箱仍是一种简便有效的方法;新辟水源、扩建水厂、改造城市管网是根本解决城镇供水的有效方法,但涉及面广,一次投资较大。

A multitude of ring-shaped cracks and three water leakage points were discovered in the right side lower header of a boiler together with a cave-in of the boiler roof water-cooled wall.Through the metallographic analysis of the materials used for the left and right side lower header and the said water-cooled wall as well as an analysis of the boiler construction and water circulation circuits the cause of the boiler lower header failure was finally identified.

锅炉右下集箱产生了很多环状裂纹和三个渗水点,同时顶棚水冷壁管塌陷。通过对左右下集箱、顶棚水冷壁材质的金相组织分析,对锅炉结构及水循环的分析,得出此锅炉下集箱失效的原因。

 
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