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井下环境
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  underground environment
     According to the mine underground environment influenced to the carrier wave communication,the paper provided a low voltage carrier wave frequency enlarged digital communication system with PL2102 chip,which could be effectively to improve the transmission quality of the underground electriciline carrier wave communication.
     根据煤矿井下环境对载波通信的影响,提出基于PL2102芯片的低压电力线载波扩频数据通信系统,可有效地改进煤矿井下电力线载波通信的传输质量。
短句来源
     finally, the methods to achieve a safe, hygienic and comfortable underground environment for enhancing the safety and health of miners are discussed.
     提出了创造一个安全、卫生和舒适的井下环境的有益措施,以利于提高矿工的安全健康水平和工作效率。
短句来源
     In the light of underground environment of coal mine ,this paper analyses the reasons for the corrosion of hydraulic props,and introduces the anticorrosive methods for the props and the development of the anticorrosive techniques. 
     本文针对煤矿井下环境,分析了液压支柱腐蚀的原因,介绍了支柱防腐方法及防腐技术的发展
短句来源
  well environment
     As part of the key research programs for the nation's "Five Year Plan" period, a management program for deep well environment has been developed which combines the calculation of air requirement for underground work face, ventilation network analyse,forecast calculation of underground climate and network forecast calculation into a simplified computerized operation.
     通过国家“九五”科技攻关 ,开发了深井开采井下环境管理程序 ,将深井排热通风作业面需风量计算、网络计算、气候预测计算、网络预测计算简化成简便的计算机操作。
短句来源
  “井下环境”译为未确定词的双语例句
     Coexistence of CO_2 and H_2S Corroding Tubing under Down Hole Environment
     CO_2和H_2S在井下环境中共存时对油管钢的腐蚀
短句来源
     Underground leaching technology has bright future to extract low grade gold ores The experiment of column leaching of underground mining environment shows that application of leaching technology can extract gold directly And the rate of recovery can satisfy the economical requirements if the size of the gold ores can be controlled within a suitable scope
     地下浸出技术对开采低品位金矿石有良好前景 ,井下环境内的柱浸试验表明地下浸出可以实现金的直接回收 ,而且金的回收率在将浸出矿石粒度控制在合适范围内时可以达到经济要求的水平
短句来源
     Environmental safety monitoring based on information optimization fusion in coal mines
     基于信息优化融合的煤矿井下环境安全监测技术
短句来源
     It is an analog study of static and dynamic analog study of corrosion action of N80 steel in the extraction liquid (mainly CO2 water solution)of oil field under condition of well.
     模拟研究了井下环境N80钢在油田采出液(主要是CO2水溶液)中的静态和动态腐蚀行为。
短句来源
     Tool-testing System for Simulated Down-hole Environment
     模拟井下环境的下井仪器测试系统
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  相似匹配句对
     environment;
     环境;
短句来源
     The Environment
     环境
短句来源
     Clean and safe working environment at coal mines
     清洁安全的井下作业环境
短句来源
     The Electromagnetic flowmeter and Caliper combination logging technology
     井下电磁流量计的测量环境校正
短句来源
     ⑤ downhole measures;
     井下措施;
短句来源
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  underground environment
Impact of oasis establishment on underground environment in salinized sandy lands
      
Discontinuous behaviour must be monitored and is an important factor in the maintenance programme designed to assure a safe underground environment.
      
This paper focuses on the methodology and techniques developed to characterize the rock fragments produced by blasting in an underground environment.
      
Effect of Co on the corrosion resistance of 1% Cr-based steels in a simulated underground environment
      
A fine thread is easily damaged and will cause installation problems in a typical underground environment.
      
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  well environment
The tribological properties of the hot-extrusion nylon coating in the oil well environment
      
The friction and wear properties of the nylon coating, prepared by hot-extrusion, used to protect the surface of the flexible continuous sucker rod were studied by using a pin-on-disc wear tester in the simulated oil well environment.
      
Evaluation of the system was performed in the laboratory by submersing the probe into a number of aqueous solutions containing varying concentrations of 241Am in a simulated well environment.
      


A newly developed underground explosion resistant device consistedof pickup camera and light transmitter is described in this paper. Thedevice is suitable for use of the optical fiber cable as transmission mediumto configurate the underground video transmission channel with the lightreceiver. A industrial TV net which mainly contains optical fiber videochannels and a video channel multiplexer based on single-chip computeras well as ten coders has been carried out since 1988. All of ten videomonitors can automatically...

A newly developed underground explosion resistant device consistedof pickup camera and light transmitter is described in this paper. Thedevice is suitable for use of the optical fiber cable as transmission mediumto configurate the underground video transmission channel with the lightreceiver. A industrial TV net which mainly contains optical fiber videochannels and a video channel multiplexer based on single-chip computeras well as ten coders has been carried out since 1988. All of ten videomonitors can automatically display images of up to 16 video channels byoperating the keypad of user's coder. The underground and surfaceindustrial TV net has been an important part of the dispatching system inWangzhuang Coal Mine.

本文报道了我们设计建设的一个煤矿井下光纤工业电视网的结构、光缆的敷设并对适合于井下环境的光端机性能作了介绍。

This paper briefly describes the recovery of the uranium in the remained residual ore, the sub-marginal ore and the filling material by in-situ leaching with spraying or soaking method on the basis of the principle of chemical and bacterial leaching in the geological conditions and underground circumstances characteristics of the deposit.

本文简述在七一一矿特有的矿床地质条件和井下环境下,利用化学和细菌浸出原理,用喷淋和泡浸办法,就地回收老采区遗留的残矿、表外矿和充填料中的铀金属。

Abstract This device is the first full-scale integrated analogue drilling test device in China which can simulate the conditions in 6000-meter wells.The device consists of seventeenmain parts. The design mechanism and realization process of three aspects are statedand the functions of every part are analysed.The static and dynamic parameters arecomputed and the results indicate that the design satisfies the strength requirements.SUBJECT TERMS: drilling, well depth,analogue test device,design,analysis

本装置是我国第一台能模拟井深6000m井下环境的钻井全尺寸综合模拟试验装置,该装置由17个主要部分组成,本文阐述了三个方面的机理设计和实现过程;分析了各个部分的功能。文中对井架的静力和动力持性进行了分析,结果表明设计满足强度要求,在模拟实验中不会发生共振,各部分设计合理。该装置的建成将缩短我国钻井现场试验周期,使科研成果迅速形成生产能力。

 
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