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mining hazards
相关语句
  开采灾害
     STUDY ON THE MINING HAZARDS AND COUNTERMEASURES IN EXTRA-THICK AND SOLID COVERING STRATA
     巨厚坚硬覆盖层矿井开采灾害与防治措施的研究
短句来源
  “mining hazards”译为未确定词的双语例句
     Introduction of the Program“Recent Developments of Mining Seismology for Mitigating Mining Hazards
     “矿山地震监测速报系统和分析预测研究”项目成果介绍
短句来源
     Recent Developments of Mining Seismology for Mitigating Mining Hazards
     地震学在减轻矿山地质灾害中的应用进展
短句来源
     For applying seismology to monitoring mining hazards,so as to ensure safe production, the Institute of Geophysies,State Seismological Bureau,in collaboration with the Bureau of Mines of Beijing Munieipality,has worked out and put into execution the plan for copying imported equipment with home-made parts,and combining existing systems into complete sets;
     为将地震学应用于矿山灾害监测,以保障安全生产,国家地震局地球物理研究所与北京矿务局合作,拟定引进设备的国产化和系统配套方案,且已付诸实施;
短句来源
     The demand of application of seismology into mining safety and the development of geophysics for mitigating mining hazards in recent years are summarized, in particular, the primary achievements of observation and analysis of slight-shocks in some typical coal mines in China.
     综述了煤矿安全对于地球物理应用的需求,以及近年来地震学在煤矿减轻地质灾害的应用进展,特别是微震监测分析在若干典型煤矿应用得到的初步成果。
短句来源
     How the microseismic monitoring technique is used to monitor the forming process of spatial structure and how the mining hazards are forecasted using microseismic monitoring techniques are presented.
     基于观测实例,阐述了微地震定位监测技术用于监测空间结构的形成过程和范围,以及确定底板有无突水危险、高应力场位置与冲击地压预测、导水裂隙带高度、开采上限、防水煤(岩)柱高度等方面的应用.
短句来源
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  相似匹配句对
     Geological hazards reduced by mining in xiangyuan county
     山西襄垣县采煤诱发地质灾害分析
短句来源
     Research on fault action and geological dynamics hazards in mining
     断裂活动与矿山地质动力灾害研究
短句来源
     ECOLOGICAL MINING
     生态矿业
短句来源
     WEB MINING
     Web挖掘
短句来源
     Radon and its hazards
     氡与氡的危害
短句来源
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  mining hazards
How risk perceptions of uranium mining hazards compare across various domains are also examined.
      


For applying seismology to monitoring mining hazards,so as to ensure safe production, the Institute of Geophysies,State Seismological Bureau,in collaboration with the Bureau of Mines of Beijing Munieipality,has worked out and put into execution the plan for copying imported equipment with home-made parts,and combining existing systems into complete sets;compiled“Software Package for Analysis of Mining Microearthquakes”; summerized the experience of monitoring,predicting and preventing the rock-burst...

For applying seismology to monitoring mining hazards,so as to ensure safe production, the Institute of Geophysies,State Seismological Bureau,in collaboration with the Bureau of Mines of Beijing Munieipality,has worked out and put into execution the plan for copying imported equipment with home-made parts,and combining existing systems into complete sets;compiled“Software Package for Analysis of Mining Microearthquakes”; summerized the experience of monitoring,predicting and preventing the rock-burst earthquakes with some scientific papers completed;and provide at any time advisory opinions from the view point of geophysics to guide safe mining operations.At the same time,it has promoted studies on seismic source mechanisms,propagation theory of very nearfield wave motiosn,methods and expert system for earthquake predictions,using the data of rock-burst earthquakes.

为将地震学应用于矿山灾害监测,以保障安全生产,国家地震局地球物理研究所与北京矿务局合作,拟定引进设备的国产化和系统配套方案,且已付诸实施;编写《矿山微震分析软件包》;总结矿山冲击地震的监测、预测及防治经验,完成学术论文若干;随时从地球物理学角度提供咨询性意见,指导矿山安全开采;同时,利用矿山冲击地震资料,推动有关地震学震源机理、极近场波动传播理论、地震的预测方法和预报专家系统等问题的研究。

Coalbed methane is well recognized as a potential culprit for mining hazards and atmospherepollutions.Can it be economically exploited?It took a lengthy progressive curve to find the answer.Technical progress has made it possible to convert this hazardous gas into new energy tobe utilized by people.China's coalbed methane resource is enormous, and systematic studies have been conductedregarding CBM exploration &development techniques for the recent ten years. Especially researches of CBM development engineerings...

Coalbed methane is well recognized as a potential culprit for mining hazards and atmospherepollutions.Can it be economically exploited?It took a lengthy progressive curve to find the answer.Technical progress has made it possible to convert this hazardous gas into new energy tobe utilized by people.China's coalbed methane resource is enormous, and systematic studies have been conductedregarding CBM exploration &development techniques for the recent ten years. Especially researches of CBM development engineerings and techniques in the past four years have resultedin a full set of CBM technique.This set of technique has been extensively applied and continuously improved. Application of the technique package has led to significant breakthrough in Liulin pilot field in Shanxi. Six wells at the field all yielded commercial gas production, and thehighest single wel production is in excess of 7000m'/d, this achievement sheds lights to massivedevelopment of CBM in the country. This set of technique includes:(1)CBM well drilling, coring technique.(2)CBM well testing methodologies and analysis.(3)CBM well completion technique.(4)CBM well stimulation technique.(5)CBM well production technique.CBM geologic background is rather complex in China,and the engineering techniques andtechniques should fit in with the complex geologies in China in order to obtain appropriate parameters for evaluation.At present time, we have a good beginning, but it is a long way to gobefore reaching the commercial development.

中国煤层气资源丰富,近10年在煤层气勘探开发技术方面形成了包括煤层气钻井取心、试井、完井、强化压裂和排采系统配套的工程工艺技术.应用这套技术实现了我国煤层气勘探的突破性进展。介绍了这套煤层气勘探开发工程工艺技术的基本内容、特点及应用情况。

The mining earthquake makes a lot of damage to people and mining production just as natural earthquake. It is one of mining hazards that could not be predicted accurately. According to research findings, the mining earthquake is a complex system that characterized a lot of causes, many conditions and single sequent. The lots of influence factors often make a great error when the system is predicted by quantitative models. Fuzzy neural network is different from the traditional mathematic method. It...

The mining earthquake makes a lot of damage to people and mining production just as natural earthquake. It is one of mining hazards that could not be predicted accurately. According to research findings, the mining earthquake is a complex system that characterized a lot of causes, many conditions and single sequent. The lots of influence factors often make a great error when the system is predicted by quantitative models. Fuzzy neural network is different from the traditional mathematic method. It is established on the base without model and may get the relationship automatically between importation(factors) and exportation(results) by itself. And it may introduce experts' evaluating language as disturbance factors of the system, so it can weaken the influence of man-induced factors and smooth the randomness of observational data. This paper discuses the application of the improved fuzzy neural network system in mine earthquake prediction by using improved fuzzy neural network system and the date of the mine tremor of Laohutai in Fushun Coal Mine. All kinds of factors should be inducted as importation in the system and the precision of estimation from authority should be improved for reducing errors during using fuzzy neural network system to forecast the mine earthquake. It is necessary to introduce artificial factors into the system while establishing a model of prediction for mine earthquake. And the feasibility of prediction of mine earthquake using fuzzy neural network system has been proved in practice.

矿震同天然地震一样会给矿山生产及人身安全等带来重大灾难。也是目前尚不能准确预测的矿山灾害现象之一。根据现有的研究成果可知,矿震是一个多输入、多干扰、单输出的复杂系统。由于干扰项的存在,使利用建模、神经网络等手段对系统进行预测时会导致很大误差。模糊神经网络系统在建立对象输入、输出关系时与传统数学方法不同。即可以建立在无模型基础上,并利用其较强的学习训练特性,自动获取对象的输入、输出关系表达;可以将专家的评价语言作为系统的干扰项引入。这在一定程度上缓解了人为因素对预测结果的影响,且平滑了观测数据的随机性。文章利用改进的模糊神经网络及抚顺老虎台矿的矿震资料,对矿震最大震级的预测方法进行了探索。初步探讨了改进的模糊神经网络在矿震预测中的应用。得出在运用模糊神经网络进行预测时,为减小预测误差,应综合多种因素并提高专家评判语言的精确度的结论。指出在建立矿震系统预测模型时,利用干扰项将人为因素引入系统是必需的。通过实际应用证明其可行性。

 
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