分析了闪速冶炼中石英砂品质对冰铜生产的影响,以探求取得更好经济效益的途径.The influence of quartz sand quality on mattes production in flash smelting is analyzed.研究了高品位铜冰铜转炉吹炼石英熔剂熔化行为.Melting behavior of silica flux in the converting process of high grade c...
他现在把变量叫做流,变量的变化率叫做流数.He now called a varrable quantity a fluent and its rate of change , the fluxion.于是, 在正常点火时,叶片温度的变化率约为30度/秒.Thus, during a normal light-up the temperature charge rate on the blade is about 30 degrees/...