lean coal 中文意思是什麼

lean coal 解釋
低級煤
  • lean : vi （ leaned 〈英國〉 leant）1 傾斜，傾側；躬屈，彎斜。2 倚靠；依靠，依賴。3 （思想等）傾向；偏向...
  • 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 ...
  1. Anthracite coal blended with lean coal and coking coal powder to prepare excellent quality coke

    無煙煤配入瘦煤和焦粉制備優質型焦
  2. 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。
  3. Technological research on preparation of foundry formed coke from coke powder mixed with meagre and lean coal

    焦粉與貧瘦煤配合制備鑄造型焦的工藝研究
  4. A linear regression was conducted and the functional relationship was found, which can afford reference for the security of meager - lean coal ' s industry application

    對實驗數據進行線性回歸分析，得出影響因素與最低著火溫度的函數關系，從而為貧瘦煤工業應用的安全性提供了一定的參考依據。
  5. Are about 12 billion tons. the main types of coal are coking coal, gas bituminous coal, lean coal and anthracite, etc. xiangning coal field is one of the three biggest metallurgical coal bases of the whole country, with the characteristics of thick bed,

    首屈一指的煤炭資源，儲藏面積1 . 54萬平方公里，占總面積的5 % ，總儲量960億噸，探明儲量120億噸，主要煤種有主焦煤氣肥煤貧肥煤瘦煤無煙煤等，其中鄉寧主焦煤為全國三大主焦煤基地之一，而且煤層厚埋藏淺易開采。
  6. 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。
  7. The research showed that for anthracite, lean coal and bituminous, the reaction rate became larger and the ignition activation energy became smaller

    結果表明：從無煙煤、貧煤、煙煤，其反應速率越來越大，著火活化能越來越低。
  8. Numerical simulation on the gas - solid multiphase flow in new type pulverized coal impact rich / lean burner is presented in it. under the guidance of the theory of computer aid test ( cat ), the dissertation uses particle - particle random impact model and the fluctuating - spectrum - random - trajectory ( fsrt ) model to simulate the gas phase flow and the particle phase flow based on the lagrange approach, compared with experimental results, and reaches satisfied efforts

    在cat計算機輔助試驗理論的指導下，結合實驗研究，本文採用包括脈動頻譜隨機軌道（ fsrt ）模型、顆粒和顆粒的隨機碰撞模型等先進的氣固多相流模型，在高濃度氣固多相流動數值模擬這一前沿研究方面得到了很有價值的結果。
  9. The multiphase flow in the pulverized coal impact rich / lean burner is invested comprehensively by numerical simulation, and summarizes experiential formulas of application value

    本文結合實驗，對直流煤粉濃淡燃燒器多相流動進行了較全面的數值試驗研究，並得出相關經驗公式以供工程應用。
  10. Analyzing of the adaptability of lean production in coal production

    精益生產方式在煤炭生產中的適用性分析
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