coal concentration 中文意思是什麼

coal concentration 解釋
煤的提濃
  • coal : n 1 煤，煤塊，煤堆。2 〈pl 〉〈美國〉（一堆）燒紅的煤。3 〈常 pl 〉〈英國〉（幾塊）供燃燒的煤。4 ...
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  1. Study of influence of coal dust on low - concentration gas explosion

    煤塵對低濃度瓦斯爆炸的影響研究
  2. Its current products include : top oscillation electrical precipitator, side electrical oscillation precipitator, magnetism controlled static electricity precipitator, wet electrical precipitator, honeycomb electric catching tar instrument, high - pressur silicon rectifier equipment and plc low - pressure controlling system, blast furnace gas impulse precipitator, high concentration pulverized coal collector, coke oven and boiler flue gas low pressure impulse precipitator, blower fan inhaler, crossing piping gas cooler, high temperature fume cooler, gyre - orientation impulse hop - pocker and all sorts of molded sections

    目前主要產品有：頂部振打臥式電除塵器、側部振打電除塵器、磁控靜電除塵器、濕式電除塵器、蜂窩電捕焦油器、高壓硅整流裝置及plc低壓控制系統、高爐煤氣脈沖除塵器、高濃度煤粉收集器、焦爐及鍋爐煙氣用低壓脈沖除塵器、風機空氣過濾器、橫管式煤氣冷卻器、高溫煙氣冷卻器、回轉定位脈沖大布袋及加工各種冷彎型鋼。
  3. Selenium concentration and distribution pattern of human hair and the affecting factors in stone coal exposed environment

    石煤暴露環境中發硒的含量分佈及影響因素
  4. Concentration of harmful trace elements in no. 2 - 2 coal seam of majiata strip mine

    馬家塔礦煤層中有害痕量元素的質量分數特性
  5. Mean while, the iouver concentrator structure principle is analyzed, the iouver puiverized coal concentrator is studied on the bases of both laboratory and production. lt is discovered from the experiments that the louver horizontai rich / lean combustion pulverized coal burner has advantages of simple in structure, low resistance and adjustment of pc concentration

    同時，重點分析了百葉窗濃縮器的結構原理，並在試驗臺上和現場對百葉窗煤粉濃縮器進行了大量的試驗研究，結果表明：百葉窗式水平濃淡煤粉燃燒器具有結構簡單、阻力損失小、分離調節方便等一系列優點。
  6. The extensive use of fossil fuels oil, coal, gas in our daily lives produces huge quantities of carbon dioxide, increasing its concentration in the earths atmosphere and artificially enhancing the earths natural greenhouse effect

    日常生活大量使用石油煤和天然氣等化石燃料，產生大量二氧化碳，增加地球大氣層的二氧化碳濃度，各種人為因素加強地球的天然溫室效應。
  7. Numerical simulation of distribution regularities of dust concentration during the ventilation process of coal drift driving with exhaust ventilation

    抽出式通風煤巷掘進過程中粉塵濃度分佈規律的數值模擬
  8. The hydrodynamics of slurry bubble columns with and without a perforated plate distributor have been investigated with a coal solid concentration of 29 % ( wt ) under a continuous operation mode for both liquid and solid

    摘要對于有、無進料口多孔板分佈器兩種結構下淤漿床中的流動特性進行了考察。
  9. For avoiding the occurrence of explosion - related accidents, the author presents an introduction to the safety regulations that should be observed. these includes the check of gas concentration before charge and initiation and after blasting, the adoption of interlocked blasting system, indirect blasting, initiation by stages at coal and beading faces, use of water stemming, shallow - hole balsting, blasting earning and safety distance

    為了防止在井下爆破中引起事故，對一炮三檢制和聯鎖爆破制，反向爆破作業，採煤、掘進工作面的分次起爆作業，水炮泥的使用，淺眼爆破作業，爆破警戒和爆破安全距離等安全規定進行介紹和分析。
  10. Method of determining minimum oxygen content concentration for coal dust explosion

    煤塵爆炸極限氧含量測定方法
  11. Implementing ccs at coal - consuming plants is imperative if the carbon dioxide concentration in the atmosphere is to be kept at an acceptable level

    若要將大氣中的二氧化碳濃度控制在可接受的程度，在燃煤發電廠實施ccs是刻不容緩的。
  12. According to the characteristic transformation of the eme in the process of its deformation, the stress concentration belt engendered by the coal wedge of the protective coat can be ascertained and the electromagnetic radiation measured result is consistence with the calculation result of the site survey materials

    根據煤體變形破裂過程中產生的電磁輻射信號特徵變化，確定了保護層采空區煤柱產生的應力集中帶，電磁輻射測定結果與現場勘測資料計算結果相吻合。
  13. The software realize the exceptional messages extract of gas concentration data, and display abnormal symptom of gas concentration change trend and scope by real - time graphics before gas outburst, can reflect the forepart signal of the gas outburst, give a significant guide for reduce the loss and ensure safe production of coal mine

    利用軟體實現了葉瓦斯濃度數據中異常信息的提取，並通過圖形形式實時顯示突出前夕瓦斯濃度變化趨勢、幅度等異常徵兆，可直觀、明了地反映突出早期信號，對防治突出，減少事故，確保煤礦安全生產有重要的指導意義。
  14. By measuring goaf gas concentration distribution in 3205 working face of taopinggou coal mine, we initially identified gas concentration distribution rules in coaf of room and pillar working face, therefore provided scientific basis to prevent and cure gas accidents of goaf in such working face

    摘要通過對桃坪溝煤礦3205回採工作面采空區瓦斯濃度分佈的實際測定，初步查明了房柱式回採工作面采空區瓦斯濃度的分佈規律，為今後此類工作面采空區瓦斯防治、防止采空區瓦斯事故的發生提供了科學依據。
  15. In view of safety the elementary and industrial analyses of coal samples were conducted, a systematic experiment was performed to investigate the minimum ignition temperature ( mit ) of zhangcun and changcun meager - lean coal in a g - g furnace, and the effect of dust concentration, spray - air pressure and dust particle size on the mit was analyzed

    摘要從工業安全形度出發，對實驗煤樣進行了元素分析和工業分析，在高德伯兒格格瑞瓦爾德爐中對潞安常村、漳村貧瘦煤的最低著火溫度進行了比較全面、系統的實驗研究，探討了煤粉質量濃度、噴吹壓力以及粒度對最低著火點的影響。
  16. In chapter four, on the basis of taking up a great amount of first hand information, the article for the first time puts forward original degree of concentration index numerical value ( 1990 - 2001 ) of china coal industrial market and has engaged more objective analysis and appraisal in relation to so such sensitive problems as influence factor, market structure positioning, especially the orientation of industry policy and enterprise restructure and expansion and has figured out the core content of the article

    同時，在佔有大量一手資料的基礎上，第一次公開推出原創性的中國煤炭產業市場集中度指標數值（ 1990 - 2001年） ，並對其影響因素、市場結構定位，尤其是產業政策取向和企業重組擴張等敏感性問題進行了較為客觀的分析和評價，構造出本論文的核心內容。作為最大的發展中國家，中國歷經10餘年的煤炭市場化實踐，出現了許多值得認真研究並需合理解釋的現實問題。
  17. In chapter 2, an economic concept - location quotients ( lq ) is introduced into the mathematical part of this article, in order to isolate what a city does well, and to find which of its industries export to the rest of the nation. author manipulates last five years " lq from data on farming, forestry, animal husbandry, coal, rude oil, tourism, export and import, population and etc, argues that we could know weather there is a larger than normal concentration of activity in the region, and weather there is a trend of regular develop trace of this activity by running a time series simple autoregression, which provides a feasible analysis tool for people to judge and choose an advantageous industry within this region

    第二章，採用區位商的方式和賦予的經濟意義，通過計算，比較了過去5年中甘肅、寧夏兩省區在農業、林業、畜牧業、漁業、煤炭、原油、旅遊、進出口、人口等與資源產業密切相關的行業的區位商，並提出通過對所獲得的區位商數據建立有序的單變量時間序列回歸模型，可以獲知某項資源產業是否在該省具有明顯的優勢的計量方法，為判斷並選擇區域性的優勢產業提供了一種可行的分析工具。
  18. Researches on monitoring system of pulverized coal concentration

    煤粉濃度測量在線監測系統的研究及開發
  19. Research of electrostatic sensor for measurement of pulverized coal concentration in power plant

    靜電傳感器在電廠煤粉濃度測量中的研究
  20. Exploitation of the monitoring system of boilers ' pulverized coal concentration in the environment c builder

    環境的鍋爐給粉濃度監測系統的開發
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