preferential floatation 中文意思是什麼
preferential floatation
解釋
優先浮選- preferential : adj. 1. 優先的；優待的；優先選擇的；差別制的。2. （國際貿易等方面）特惠的。n. 1. 優先權。2. 特惠稅率。n. -ism 關稅特惠主義。n. -ist 關稅特惠主義者。
- floatation : n. 1. 漂浮；（船的）下水。2. 【礦物】浮選（法）。3. （公債等的）發行；（公司等的）設立；創業；（計劃的）實行。
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Abstract : the advantages and disadvantages of the three pro cess flows and improvement measures were described based on the actual production condition of the three process flows including mixing floatation, preferential floatation in stages and partly mixing floatatoin in yongping copper mine
文摘:根據混合浮選、分步優先浮選、部分混合浮選三種浮選工藝流程在永平銅礦的生產實際情況，闡述其優缺點及改進措施。
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