crude copper 中文意思是什麼

crude copper 解釋
粗銅
  • crude : adj 1 天然的，未加工的。2 粗（制）的，低級的；未熟的，生的；生硬的；粗糙的，粗雜的，粗魯的。3 赤...
  • copper : n 1 銅；紫銅。2 銅幣，銅錢，〈pl 〉零錢。3 銅器；銅罐，銅壺，銅鍋；銅管；銅製品。4 （紫）銅色。5 ...
  1. Abstract : the preparation of cuprous chloride from etching waste liquor of cupric chloride and crude copper powder was studied. the result showed that this method had many advantages, including simple process, easy operation and good quality of product, therefore it had remarkable economic and environmental benefits

    文摘:以氯化銅蝕刻液廢液、粗銅粉等為原料，在常溫下反應制備氯化亞銅，工藝簡單，操作簡便，產品質量好，具有顯著的經濟效益和環境效益。
  2. Crude gold - determination of copper content - iodometric method

    碘量法測定銅量
  3. Soft - sensing model of chaos time series of crude copper composition in copper convertor and its application

    煉銅轉爐粗銅成分混沌時間序列的軟測量模型及應用
  4. When the crude ore contains copper 1. 84 %, the technical indexes such as the grade of copper concentrate 22. 37 % and the recovery 78. 70 % are obtained by use of single - stage grinding, one time of roughing, three times of scavenging and two times of cleaning

    當原礦含銅1 . 84 %時，經過一段磨礦、一次粗選、三次掃選和二次精選，獲得銅精礦品位22 . 37 % 、銅回收率78 . 70 %的技術指標。
  5. Top philippine exports to china include semi - conductors, copper cathodes, machinery parts and accessories, fuel oils, petroleum naphtha, fresh bananas and crude coconut oil

    菲律賓出口中國的產品中位於前列的是半導體裝置、電子數據處理元件、銅、石油和其它能源產品、汽車零部件以及鮮果。
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