总结了7019和SF - 121 B两种缓蚀剂在常减压三塔顶的应用情况，并进行了经济技术指标分析。
The application of two corrosion inhibitors i. e. 7019 and SF-121B in the overheads of three towers of atmospheric-vacuum distillation unit was summarized and the economic performances were analyzed.
通过对云南锡业股份有限公司冶炼分公司反射炉与澳斯麦特炉粗锡还原熔炼直接回收率等技术指标分析和比较，对两种熔炼技术进行了评价。
This paper presents analysis and comparison of direct recovery rate and other technical parameters in crude tin reduction smelting between reverberatory furnace and Ausmelt furnace.
通过分析其技术指标和经济性能，验证了该方案的有效性。
The analysis of its technical specification and economic performance validates its effectiveness and feasibility.
应用推荐