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我国矿井
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  china mine
     The paper discribes principle and features of hydraulic take-up device for belt conveyor,aswell as practical application is explained in china mine.
     介绍带式输送机液压拉紧装置的原理、特点及在我国矿井带式输送机中的实际应用。
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     Study on application of PLC technology inAC hoisting system of mine in our country
     PLC技术在我国矿井交流提升系统中的应用研究
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     The PLC technology and its application in the electrnic control system of mine hoist of our country were introduced.
     介绍了PLC技术在我国矿井提升机电控系统中的应用。
短句来源
     The development of PLC technology and its application and study in mine hoisting system of our country were introduced, the application and development prospects of PLC technology in the electric control system of mine hoisting in our country were described. 
     介绍了PLC技术的发展概况以及在我国矿井提升系统的应用研究情况,阐述了PLC技术在我国矿井提升电控系统的应用发展前景。
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     Analysis and probe on mine support equipment in China
     对我国矿井支护设备的分析与探讨
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     A introduction on the development history,form of structure and characteristics of vibrating_feeding equipment and an exposition on its exististing problems and trend of development.
     介绍振动式给料设备的应用发展历程、结构形式及特点 ,并阐述其在我国矿井的使用概况、存在的问题和发展趋势。
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     The Present Status and Development of Large Mine Hoists in China
     我国大型矿井提升机的现状和发展
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     Advances and Trends in China's Mining Geological Investigations
     我国矿井地质工作的现状与发展
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     WALNUT OF CHINA
     我国的核桃
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     China's OPAC
     我国的OPAC
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     Mine Ventiletion of Highland
     高山矿井的通风
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This article first presents the current advances in mine geological investigations abroad, with stresses on underground explorations as well as investigations and studies on geological conditions in mining, and hten goes on to analyze the present levels of China's mine geological work and the gap between China and foreign countries. Owing to the present technical quality of her personnel and the Present levels of her techniques and equipment, China remains mainly in a stage of understanding one single aspect...

This article first presents the current advances in mine geological investigations abroad, with stresses on underground explorations as well as investigations and studies on geological conditions in mining, and hten goes on to analyze the present levels of China's mine geological work and the gap between China and foreign countries. Owing to the present technical quality of her personnel and the Present levels of her techniques and equipment, China remains mainly in a stage of understanding one single aspect of mine geological work: geological factors, and lags far behind in studies both of mining geological conditions and of hazardous geological conditions and therefore fails to keep pace with the rapid development of her coal production.

本文首先介绍了当前国外矿井地质工作的现状,突出地反映了世界各国重视井下勘探并加强对矿井开采地质条件的探查和研究。文章接着分析了我国矿井地质工作的目前水平和差距。由于人员的技术素质和技术装备方面的原因,我国矿井地质工作现在仍主要停留在单一地质因素的了解上,对于开采地质条件、灾害地质条件研究不够,不能适应煤炭生产的发展。今后必须从人才培养,装备更新,管理改革等几方面着手大力提高矿井地质工作的水平。

This paper studies the present condition of technical transformation of coal mines in our country and suggests that the process of technical transformation is divided into several stages and levels, of which the stage of increasing production is characteristic of less investment and higher efficiency, so it is the stage at which the best economical results are obtained, and is regarded as the most important aspect of technical transformation of mines. The selectin of items in technical transformation shoud be...

This paper studies the present condition of technical transformation of coal mines in our country and suggests that the process of technical transformation is divided into several stages and levels, of which the stage of increasing production is characteristic of less investment and higher efficiency, so it is the stage at which the best economical results are obtained, and is regarded as the most important aspect of technical transformation of mines. The selectin of items in technical transformation shoud be analysed and studied from the viewpoint of systems engineering. For the purpose of systems general optimization and greatest economical benefits, the transformation of a certain project should be brought within the orbit of systems transformation

本论文研究我国矿井技术改造的现状,提出矿井技术改造过程是有阶段分层次的,其中增产阶段具有投资少见效快的特点,是矿井经济效益的最佳阶段,亦是矿井技术改造的重点。技改内容的选择,应运用系统工程的观点去研究,某项工程的改造应纳入系统的改造之中,以达到系统总体优化的目的,取得最大的经济效益。

This paper describes a new technique for detecting mine methane by use of a thermostatic detector. By contrast to the traditional methane detection, it has advantages of large measuring range, fast response, stability, activation resistance and long life for its sensor. On the basis of analysing main problems on the application of the technique, the authors design a thermostatic methanometer circuit. The study will develop a new field for the methane detection in mine industry.

恒温法瓦斯检测是一种新型的瓦斯检测方法,与传统检测方法比较,它具有检测范围大,稳定性好,响应速度快,抗激活和传感元件使用寿命长等显著优点。本文从理论上分析了恒温法瓦斯检测方法付诸于实用必须解决的主要问题,研究出一种用恒温法检测瓦斯的电路,为我国矿井瓦斯检测技术开辟了新的途径。

 
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