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copper sand
相关语句
  铜砂
     Study on Leaching Conditions of the Copper Sand Smelting by Wetting Method
     湿法冶炼铜砂中的浸出条件研究
短句来源
     The leaching conditions of the copper sand smelting are stuied in this paper. The best respective leaching rates of Cu、Bi and Ag are 92.2%、95.4% and 80.5%.
     研究了湿法冶炼铜砂的浸出条件,在最佳浸出条件下:Cu、Bi和Ag的浸出率分别达到92.2%、95.4%和80.5%。
短句来源
  相似匹配句对
     COPPER
     铜
短句来源
     On Sand
     论砂
短句来源
     The Replacement of Granulated Copper Slag for Sand Concrete
     水淬铜渣代砂混凝土
短句来源
     STUDY ON THE PREPARATION OF COLOUR SAND BY USING COPPER TAILINGS
     利用铜尾矿制备彩色石英砂的研究
短句来源
     Sand and Foam
     沙与沫
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  copper sand
This theory is confirmed by the poor results of pre-heating treatment obtained for oxygen-free high-purity copper, oxygen-hydrogen-free fire-refined coppers and coppers with lead contents lower than 20-50 weight ppm.
      
Use thiopha nate, Bordeaux, or other coppers and repeat application in 7-10 days.
      


The leaching conditions of the copper sand smelting are stuied in this paper.The best respective leaching rates of Cu、Bi and Ag are 92.2%、95.4% and 80.5%.

研究了湿法冶炼铜砂的浸出条件,在最佳浸出条件下:Cu、Bi和Ag的浸出率分别达到92.2%、95.4%和80.5%。

A new electrochemical method of dissolved oxygen removal has been developed by w hich tap water flows through a cell of three-dimensional electrode,the cathode of which is made of 001x7H-type ion-exchange resins mixed with spray copper- sand by differen t volume ratio to act as oxygen remover from the tap water.The results show that when the ratio of the ion-exchange resin to the spray copper-scond is 1 to 1,the oxygen removal efficiency is the best;In the resins containing diffe rent counter...

A new electrochemical method of dissolved oxygen removal has been developed by w hich tap water flows through a cell of three-dimensional electrode,the cathode of which is made of 001x7H-type ion-exchange resins mixed with spray copper- sand by differen t volume ratio to act as oxygen remover from the tap water.The results show that when the ratio of the ion-exchange resin to the spray copper-scond is 1 to 1,the oxygen removal efficiency is the best;In the resins containing diffe rent counter ions,H-type resins shows the best effectiveness,and it is also fo und that the optimal cell voltage of electrochemical de -oxygenation is 2 1 V,outlet oxygen content is 0 04 mg/L.When the cell voltage is 2 1 V,the outl et oxygen content is lower than 0 10 mg/L for the flow high up to 7 L/h.

新的电化学除氧方法是让含溶解氧的自来水流经三维电极,阴极室填充001X7H型离子交换树脂和喷铜砂的不同比例混合物,通过实验得出树脂和填料的体积混合比为1∶1时,有较好的除氧效果;将不同反离子的离子交换树脂进行实验,001X7H型树脂的除氧效果最好,同时得出自来水电化学除氧的槽电压为2.1V;在此电压下,出口氧含量低于0.10mg/L的最大流量为7L/h。

 
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