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high drainage
相关语句
  高位抽放
     Discussion about handling the gas in goaf of working faces by high drainage under suction
     利用高位抽放处理工作面采空区瓦斯的探索
短句来源
     To solve the problem of exceeding gas in upper corner and windward road in top layer outstanding working face,and the problem of the output restricted by gas, the method of high drainage under suction is used in the 14121 working face in Weicun Coal Mine, to reduce the wind volume in windward road and to decrease the gas deasity,thus,raising the output and guaranteeing the safety in production.
     为了处理顶层高突工作面上隅角和上风道瓦斯超限、瓦斯制约产量的问题,位村矿在14121工作面利用高位抽放的方法,减少上风道的配风量,降低瓦斯浓度,提高了工作面产量,保证了安全生产.
短句来源
  “high drainage”译为未确定词的双语例句
     Clinical analysis of 165 patients with high perianal abscess by radical low resection and high drainage
     低位切开高位引流术根治高位肛周脓肿165例
短句来源
     Solving gas problem of combined mechanized mining face with combined arrange of high drainage roadway on the roof strike and alternate interior tail roadway
     顶板走向高抽巷和内错尾巷联合布置解决综放面瓦斯问题
短句来源
     The components of com stalk are the same as sawdust, com stalk also has high porosity, high water retention and high drainage.
     由于玉米秸秆的组成成分与木屑具有相似性,并且同样具有较高的孔隙度和较好的持水、排水性,代替木屑做反应基质具有现实和理论基础。
短句来源
  相似匹配句对
     HIGH INTENSIVE DRAINAGE BLOCKING TECHNOLOGY
     高强度封堵技术
短句来源
     High-Grade Highway Drainage Design
     高等级公路排水设计
短句来源
     FLYING HIGH
     飞得更高
短句来源
     The mortality is high.
     铜绿假单胞菌对多种抗菌药物耐药,治疗困难,死亡率高。
短句来源
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  high drainage
All gullies studied were part of a well integrated network characterised by a high drainage density.
      
Soil, climatic and managementfactors which affect NO3- leaching are discussed.Nitrate leaching occurs when there is an accumulation ofNO3- in the soil profile that coincides with or isfollowed by a period of high drainage.
      
The intermittent irrigation scheme using automatic irrigation system with a high drainage gate was recommended to be a best management practice for controlling the herbicide losses from paddy fields.
      
The high drainage density (2.61?km/km2) in the western region also suggests that the area is characterized by low permeable zones compared with low drainage density (1.04?km/km2) of the flood plains, which form the potential aquifers in the east.
      
Polyurethane stents are easy to form and have high drainage capacity, whereas silicone shows the best biocompatibility but a lower drainage efficacy than the former.
      
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Gas distribution patterns in this mining area are obtained and gas-weathering regions and gas zones are defined, through synthetic analysis of such data as gas content, gas composition and gas gusli, permeability of coal seams and rock layers, and gas pressurs and other measurements made during the releasing of covering seam. The geological factors that influence and govern coal and gas bursts arc pinpointed and five zones of coal and gas bursting are outlined and predicted through analysis of records of previous...

Gas distribution patterns in this mining area are obtained and gas-weathering regions and gas zones are defined, through synthetic analysis of such data as gas content, gas composition and gas gusli, permeability of coal seams and rock layers, and gas pressurs and other measurements made during the releasing of covering seam. The geological factors that influence and govern coal and gas bursts arc pinpointed and five zones of coal and gas bursting are outlined and predicted through analysis of records of previous coal and gas bursts and tests of indexes for gas-bursting risks. Finally, assessment is made of the utilization conditions of gas in this mining area and corresponding technical approaches to a higher drainage rate of gas are offered

本文根据矿区内瓦斯含量、瓦斯成分、瓦斯涌出量、煤岩层的透气性等资料以及瓦斯压力和解放层开采的实测数据,通过综合分析得出了矿区内瓦斯分布规律,划出了瓦斯风化带和五个瓦斯分区,通过几十次煤和瓦斯突出资料和瓦斯突出危险性指标的分析测试,指出了控制与影响煤和瓦斯突出的六个地质因素,圈定与预测了五个煤和瓦斯突出带。评价了矿区内瓦斯利用的条件与抽排方式,提出了提高瓦斯抽排率的技术途径

A mining method in No 5 Mine of Yangquan Mining Group Corp. is a fully mechanized one pass cut caving method. Above the No 15 mining seam, there is a unmined protective seam. The No 15 seam is a spontaneous combustion seam. A gas drainage operation in the tailgate and inclined high level drainage gateway was not suitable to be applied to control the gas problem occurred in the mining period. A high level gas drainage gateway along the seam roof strike applied to gas control was shown that the gas drainage...

A mining method in No 5 Mine of Yangquan Mining Group Corp. is a fully mechanized one pass cut caving method. Above the No 15 mining seam, there is a unmined protective seam. The No 15 seam is a spontaneous combustion seam. A gas drainage operation in the tailgate and inclined high level drainage gateway was not suitable to be applied to control the gas problem occurred in the mining period. A high level gas drainage gateway along the seam roof strike applied to gas control was shown that the gas drainage along the roof strike had a high gas drainage volume, high drainage efficiency, a good continuous drainage operation and other features. But at the initial period, due to the falling depth of the roof and the cracks in the roof not reached to the strike high level gas drainage seam, the drainage result did not reach an expected result. With series measures, unfavorable factors overcame at the initial mining period have basically solved the gas content over limit at mining face at the initial mining period.

分析了阳泉煤业 (集团 )有限责任公司五矿 15煤综放工作面初采期瓦斯超限原因 ,提出了利用低位及中低位后部高抽放巷解决初采瓦斯试验方案 ,通过试验取得成功 ,确保了综放工作面初采安全顺利推进

Based on the origin and gushing features of the gas in the working face, this paper probes into the drainage of gas in neighboring beds of working face through strike high-bleeding roadway adopting which can realize continuous drainage with larger channel and higher drainage ratio and guarantee the gas in the working face not to exceed the limit.

根据综放工作面瓦斯的来源及涌出特点,探讨了采用走向高抽巷抽放综放面上邻近层瓦斯,实现大通道、大抽出率的连续抽放,保证综放工作面瓦斯不超限的技术。

 
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