铅锌冶炼企业循环经济研究中一个很重要的问题是如何评价循环经济的发展程度和发展趋势。
贵溪冶炼厂铜电解电流效率曾一度低下，严重地影响了电流的有效利用率，增加了电能消耗。
要实现我国铅锌冶炼企业的持续发展，循环经济成为我国铅锌冶炼企业的必然选择。
1·Based on the scheme, a distributed control system for the rotary dryers has been established in a nonferrous metals smeltery.
基于这个控制方案，一个回转干燥窑分布式控制系统已经建立在某有色金属冶炼厂。
2·The form of copper occurrence in contaminated soil in a smeltery site was discussed comparatively by continuous chemical digestion, with the coefficient of biologic effectiveness to copper calculated.
采用化学连续浸提法对冶炼厂污染土壤中铜的赋存形态进行了比较分析，并且计算了铜的生物有效性系数。
3·The working conditions in bio-oxidation work-shop of Yantai City Gold Smeltery since its putting into operation are introduced.
简要介绍了烟台市黄金冶炼厂生物氧化车间投产以来的生产情况。
4·In this paper, the occupational hazards of lead and prevention status in a smeltery is investigated and analysed, the countermeasures of preventing the lead poisoning and absorbing are put forward.
通过对某铅冶炼厂职业铅危害情况及防治现状进行调查分析，提出了防治铅中毒、铅吸收的措施。
5·Some possibility exists to use the slag from the smeltery.
存在利用这家冶炼厂的矿渣的某种可能性。