mineral extraction 中文意思是什麼
mineral extraction
解釋
礦物提出- mineral : n. 1. 礦物；〈口語〉礦石；【化學】無機物。2. 〈英國〉〈pl. 〉＝ mineral water. adj. 礦物（性）的；含礦物的；無機的。 the mineral kingdom 礦物界。
- 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。
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The sustainable utilization evaluation of regional mineral resources this text regards laiwu ( in the middle of the shandong province, the east hillfoot of mount tai ) as a district of studying, so do maplnfo as workbench. by the present situation analysis of mineral resources, 19 indexes are chosen to form the evaluation system of the mineral resources sustainable development, they are fund tax rate, worker per capita incomes, rehabilitation rate, sloping rate, the ratios between reserves and extraction, tailing utilization ratios, atmosphere quality, water quality, economic - societies coordinate coefficient, etc. according to the experts, the quantitative indexes are quantified
2 、區域礦產資源可持續利用評價本文以萊蕪市（位於山東省中部，泰山東麓）為研究區，以mapinfo為工作平臺，通過對礦區礦產資源開發現狀分析，決定選擇資金利稅率、職工人均收入、塌陷土地復墾率、采區回採率、儲采比、尾礦利用率、大氣環境質量、水環境質量、經濟社會協調系數等19個因子，組成礦區可持續發展評價的評價因子，根據專家賦分值將定量因子進行量化，用模糊數學的方法對數據進行處理，使它們具有可比性。 -
Noise and vibration control on construction and open sites - code of practice applicable to surface mineral extraction except coal sites
建築工地和露天工地噪聲和振動控制.第5部分:表層礦石開采點 -
Melting ice may also allow for mineral extraction in areas such as canada and russia, and drilling for oil in the arctic
冰川融化還可能有助於在加拿大和俄羅斯等地采礦，以及在北極圈開採石油。 -
Based on the valuable experience of the predecessors and the present situation existing in the area of 3d modeling, this paper makes a research of the technical difficulties in mining designing - - the construction of mineral deposit model and the extraction of slices in any orientation, by making comprehensive use of many mathematical theories and methods, database and graphics processing technique and puts forward the theory of 3d modeling based on discrete algorithm
鑒於此，本文借鑒系統工程的思想，結合前人研究工作中的寶貴經驗，針對目前三維建模領域的現狀以及存在的一些問題，綜合運用多種數學理論與方法、數據庫與圖形圖像處理技術，對礦山生產設計中的技術難點? ?礦床三維模型的建立與任意剖面圖的剖切進行了研究與嘗試，提出了基於離散演算法的三維建模原理和模型交互剖切技術。 -
Fertilizers, ground natural mineral phosphates. extraction of phosphoric anhydride soluble in formic acid reagent
肥料.粉狀天然礦物磷酸鹽，溶於甲酸試劑的磷酸酐的提取 -
The evaluate of the x - ray, the spiral ct and dual energy x - ray absorptiometry to measure the bone mineral density of teeth extraction socket
線骨密度測量儀對拔牙窩骨密度測量的評價
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