coal seam 中文意思是什麼

coal seam 解釋
煤層。

  • 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 ...
  • seam : n 1 縫;線縫。2 介面;接縫;接合處;接合線。3 裂縫。4 (臉上的)皺紋。5 傷痕。6 【造船】(船板間...
  1. In view of this situation and the characteristic of qualitative variable as well as quantitative variable of the geological factors affecting coal seam affusion, put forward the application of numerical theory on the basis of optimization study of orthogonal design to confirm the optimal combination of the technical parameters of coal seam affusion when geological factors is in precarious state and then proceed optimization study with instances

    針對這種情況及影響煤層注水的地質因素既有定性變量,又有定量變量的特徵,本文在利用正交設計優化研究的基礎上,提出利用數量化理論確定地質因素為不穩定狀態下的煤層注水工藝參數的最優組合,並結合實例進行了優化研究。
  2. Research on construction technique for mawangcao tunnel 1 to cut across anticline and coal seam

    馬王槽1號隧道穿越倒轉背斜和煤層的施工技術
  3. Numerical simulation of the air leakage in the bedding plane of gob in shallow coal seam

    淺煤層采空區層面漏風的數值模擬分析
  4. Mining high gas coal seam with enclosed mining method

    封閉式採煤法開采高瓦斯煤層
  5. Features of steep coal seam and its mining technology

    急傾斜煤層的特點及採煤工藝
  6. Construction technique of deep - drill of outburst coal seam

    突出煤層深鉆孔施工技術
  7. The host characteristics of zhujiajie well field coal seam

    朱家街井田煤層賦存特徵
  8. Talking about the influence of the joins in thick coal seam

    節理發育對厚煤層的影響
  9. Measurement study of tensile strength of coal seam

    煤層抗張強度原位測試研究
  10. Application of magnetized water in coal seam water infusion

    磁化水在煤層注水中的應用
  11. Discussion on how to research breaking - loss wing coal seam in coal series stratum

    淺談如何在煤系地層尋找斷失翼煤層
  12. Methane drainage experimental research for the stress - relief roof stratum of working face of high gas coal seam

    高瓦斯綜采面頂板覆巖卸壓抽放瓦斯試驗研究
  13. Research and application of blasting mining, caving coal, large indination, thick coal seam and overhand mining technology

    炮采放頂煤大傾角厚煤層仰采技術研究與應用
  14. Quadratic function analysis of greatest subsidence angle during mining pitching or steerly pitching coal seam

    大傾角煤層開采最大下沉角的二次插值分析
  15. Experimental study on outburst proneness coal seam of meso character and crack destabilization

    沖擊傾向性煤體的細觀特徵與裂紋失穩的試驗研究
  16. It was quite on a par with the quixotic idea in certain quarters that in a hundred million years the coal seam of the sister island would be played out and if, as time went on, that turned out to be how the cat jumped all he could personally say on the matter was that as a host of contingencies, equally relevant to the issue, might occur ere then it was highly advisable in the interim to try to make the most of both countries, even though poles apart

    這種見解就跟一部分人所持的那種再過一億年,愛爾蘭島的姊妹島不列顛島的煤層就將被挖掘一空這一堂吉訶德式的看法如出一轍。隨著時間的推移,即便形勢的發展果如所料,關于這個問題他個人至多也只能說:在這之前會接連發生無數偶然事件,對于引發這一結局將同樣有著關連盡管兩國之間的分歧大得簡直是南轅北轍,眼下總還是以竭力相互利用為宜。
  17. Applied study of secondary support technique for development roadway in soft coal seam

    軟煤層開拓巷道二次支護技術的研究
  18. Analysis of support ways of roadway and its surrounding ' s control effect in three - soft coal seam

    三軟煤層巷道支護方式及圍巖控制效果分析
  19. Up to 2007 the company owes more than twenty mining rights, which cover over ten resource such as iron, copper, lead, zinc, manganese, nickel, tungsten, stannum, gold, silver, molybdenum, zirconium, titanium, coal and coal seam gas

    截至2007年初公司擁有礦業權數20餘個,涉及鐵、銅、鉛、鋅、錳、鎳、鎢、錫、金、銀、鉬、鋯、鈦、煤、煤層氣等十幾個礦種。
  20. 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
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