coal extraction 中文意思是什麼

coal extraction 解釋
採煤
  • 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 ...
  • extraction : n. 1. 抽出,拔出。2. 【化學】提取(法);萃取(法);回收物,提出物;精煉。3. 精選,摘要。4. 血統,家世,出身。5. 【數學】開方,求根。
  1. Method of extraction for the determination of sodium and potassium in brown coal soluble in dilute hydrochloric acid

    褐煤中溶於稀鹽酸的鈉和鉀測定用的萃取方法
  2. Non - chemical bond association structures in fanzhi brown coal and their evolution were studied by the integration of hydrous pyrolysis and cs2 / nmp extraction

    摘要採用熱模擬實驗與cs2 / nmp混合溶劑抽提相結合的方法對繁峙褐煤中的非化學鍵締合結構及其演化特徵進行了研究。
  3. Performance optimization of coal dust extraction

    粉塵濃度可降低至
  4. Feasibility study of hard gaolin extraction in luling coal field

    蘆嶺井田硬質高嶺土開采可行性分析
  5. Extraction of xylenol from low temperation coal tar

    低溫焦油中二甲酚的提取
  6. Testing research of coal layer safe extraction in efflorescent oxygenized belts

    風氧化帶內煤層安全開採的試驗研究
  7. The following new opinions : without caving zone coal layer extraction in efflorescent oxygenized belts ; two effects of blocking water and preventing water flowing fractured zone from going on developing after mining effect ; appropriately enlarging the extraction thickness were presented

    提出了風氧化帶煤層開采無垮落帶;受采動影響后,具阻水和抑制導水裂隙帶繼續發展的雙重作用以及適當加大開采厚度等新觀點。
  8. Based on testing data in worksite and engineering practice, the strata damage movement characteristics, rock properties of weathered zone and qualitative and quantitative analysis of the mechanism of coal layer safety extraction in efflorescent oxygenized belts were discussed

    摘要根據現場觀測和工程實踐,論述了風氧化帶內煤層開采時,覆巖破壞移動特徵,風化帶巖石屬性和風氧化帶內煤層安全開采機理的定性、定量分析。
  9. Effects of different solvents on extraction rate of qitaihe coal

    不同溶劑對七臺河煤萃取效果的影響
  10. On the basis of the discussion of the ecological rehabilitation on subsidence land of coal extraction, the land structures of nourishment, plane and perpendicularity on subsidence area of coal extraction are differently designed. on nutritive structure green crops are mainly common crops, green vegetables, green forage crops and acquatic creatures. on plane structure the center of the subsidence land of coal extraction can be used as fish culture in net cage, the periphery can be established as fish pool and economic crops in water, and the outmost layer can be used as high - yield field, vegetable shed, domestic animal breeding area and fruit - bearing forest. on vertical structure the deepwater area can be established as fish pool and economic crops in water, and the uppermost layer can be developed as acquatic and semi - acquatic crops or dry farming crops

    在討論採煤塌陷地生態復墾的基礎上,對新泰市採煤塌陷區生態復墾用地的營養結構、平面結構和垂直結構進行了優化設計.在營養結構上,綠色作物主要是農作物、蔬菜、飼料及水生生物.在平面結構上,在塌陷的中心地帶實施網箱養魚,外圍區建立精養漁塘和水生經濟作物,最外層生態復墾為高產農田、蔬菜大棚、畜禽養殖區和林果地.在垂直結構上,在積水區建立精養漁塘和水生經濟作物,最上層則發展水生、半水生及旱作綠色經濟作物
  11. Study on technologyical conditions for the extraction of vanadium from stone coal residue

    石煤礦渣中釩浸取工藝條件研究
  12. This paper introduced the improves of roasting - sodium processing and such pollution - free processing as acid leaching - extration, roasting in air - acid leaching - extration, liming roasting - alkali leaching on extraction of v2o5 from stone coal, the total recovery rate obtains enhances, the industrial application prospect is good

    摘要介紹了石煤提釩傳統工藝的改進以及酸法萃取、無鹽焙燒酸浸萃取、氧化焙燒堿浸等幾種從石煤無污染提取五氧化二釩的工藝流程,上述工藝不但生產過程無環境污染,釩的回收率還大有提高,是很有前途的清潔生產工藝。
  13. However, mr wang said the partners hoped to establish a new opencast mine near their existing coal - extraction venture at xiwan in shaanxi, in which anglo american holds a majority stake

    但王國柱表示,雙方希望在現有的陜西西灣煤炭開采轉化合資企業附近,開發一座新的露天煤礦,由英美資源集團持有多數股權。
  14. Coal extraction of fully mechanized face under special geologic condition

    特殊地質條件下的綜采工作面回採
  15. Impact of coal extraction and utilization on environment and countermeasures

    淺議煤炭開采與利用對環境的影響及對策
  16. Inquiring into coal extraction by caving face with steel beam in extraordinary geologic zone

    型鋼梁放頂煤工作面在特殊地質構造區域採煤的探索
  17. The overview of ecological reconstruction measures of subsidence lands of coal extraction in xinglongzhuang colliery

    興隆莊煤礦塌陷區生態修復措施探討
  18. The conclusions can provide some references for the practice of none - village - relocation coal extraction in the mine

    這些結論將為煤礦膏體充填不遷村採煤技術的實施提供一些參考。
  19. Noise and vibration control on construction and open sites - code of practice applicable to surface coal extraction by opencast methods

    建築工地和露天工地噪聲和振動控制.第3部分:露天開采地表煤慣例指南
  20. In the meantime, the data of geodetic measurement, geological investigation and test are also analyzed, and the analytic results show that the local motion of fushun segment on hunhe fault is caused by coal extraction

    同時,對大地測量結果、地質勘察及試驗結果進行了討論,結果表明:煤田開采誘發了渾河斷裂撫順段的局部活動。
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