The characteristic of this technical process is higher recovery rate of cobalt and chromium, simpler technological route and lower cost, compared with the single chemistry precipitation.
与单化学沉淀方法比，本工艺流程具有铬、钴的回收率高，工艺路线简单，可以节约成本的特点。
The treatment of the food wastewater by physical chemistry and A -O biosynthesis has been introduced in this paper. The technological process and the design parameter of equipment are also described.
介绍一中型食品厂采用物化-厌氧-好氧技术处理其废水，给出了工艺流程及设备、构筑物设计参数。
At present, "inorganic and analytical chemistry" is a basic course to the major of chemistry and close majors in the technological science college.
前言：“无机与分析化学”目前是工科学校化学化工及相近专业的一门基础课程。
At present, "inorganic and analytical chemistry" is a basic course to the major of chemistry and close majors in the technological science college.
前言：“无机与分析化学”目前是工科学校化学化工及相近专业的一门基础课程。
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