per extraction 中文意思是什麼
per extraction
解釋
每一項有離心脫水- per :
- 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 other is extraction and separation production line for 3000 tons hybrid rare earth chloride, which can produce 200 tons neodymium oxide, 2500 tons rare earth chloride with little neodymium or rare earth carbonate with little neodymium and 30 tons samarium, europium and gadolinium concentrates per year
另一條為可年分離3000噸混合氯化稀土的萃取分離生產線，年產氧化釹200噸少釹氯化稀土或少釹碳酸稀土2500噸釤銪釓富集物30噸。 -
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。 -
The project content : with the high - grade ore concentrate of rare - earth and the selecting of the advanced extraction separation production technics, the work processes ore concentrate 3, 000 tons per year and produces the high - purity oxygen cerium ( reo99. 99 % ) and the series products
項目內容：用高品位稀土精礦，選用國內外先進的全萃取分離生產工藝，年處理稀土精礦3000噸，生產高純氧化鈰（ reo99 . 99 % ）及系列產品。
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