zone extraction 中文意思是什麼

zone extraction 解釋
區域錄取
  • zone : n 1 【地理】（地）帶。2 區域，范圍，界。3 〈古、詩〉（腰）帶。4 圈，環帶。5 【數學】（球面）帶；...
  • 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. 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。
  2. 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。
  3. 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
  4. By using a zone model, simulates the behaviour of smoke temperature, height, volume fraction of co changing with time under different smoke control and extraction conditions in the station and introduces three critical conditions as a criterion for judging the effects of different smoke control and extraction methods

    摘要運用區域模型模擬車站內不同防排煙工況下煙氣溫度、高度、 co體積分數隨時間的變化規律，以三項危險臨界條件是否實現作為衡量防排煙效果的判據。
  5. 7mpa / km in the center of the zone ( 6 ) in the hot dry rock geothermal energy extraction system, after the system start to operate, the normal stress of crack show the pronounced influence depending on the temperature ' s change in a month, there are a marked drop in temperature nearby the injection well, forming a lower stress area, with the heat extraction, the temperature ' s change even gradually, but the temperature descend quickly nearby the production well, forming a new lower stress area

    （ 6 ）高溫巖體地熱開發中，裂縫面法向應力受溫度變化的顯著影響，在系統開始運行的一個月內，注入井附近區域其溫度降低較快，形成低應力區;隨開采時間的延長，其溫度變化逐漸平緩，而生產井附近區域溫度降低加快，逐漸形成新的低應力區。
  6. As it was difficult to extract the ore in the delta zone at ore body of jingtieshan iron mine, a rational extraction technology by ore cutting was applied so as to control the rock misplacement to ensure the extracted ore grade. as a result, good technical and economical benefits were achieved

    闡述了鏡鐵山鐵礦礦體下盤三角礦帶礦量回收難點，採用合理的切巖回採技術，控制巖石混入量，保證出礦品位，達到較好的回收技術經濟指標。
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