Last year's badly handled closure of Senegal's biggest chemical plant has contributed to a reduction in industrial output.
去年塞内加尔最大的化工厂在经过糟糕斡旋后的倒闭使国家工业产量减少。
A chemical substance that prevents or slows a cathodic or reduction reaction.
一种阻止或减缓阴极反应的化学物质。
This paper deal with a new method of preparing nano-silver powder by resin absorption and chemical reduction method.
研究了一种通过树脂吸附—化学还原的方法制备纳米银粉的新方法。
应用推荐