The paper describes the fundamental principle of acid-making off-gas treatment by ammonia-acid method and its application in Yunnan Copper.
介绍了氨-酸法处理制酸尾气的基本原理以及在云南铜业股份有限公司的运用实践。
The manufacture process of nicotinic acid based on ammonia oxidation method, which is introduced in this article, reached 99% conversion of 3-methyl pyridine.
本文介绍的基于氨氧化法生产烟酸的工艺，选择了适当的复合催化剂，使原料3-甲基吡啶转化率可达99％，技术水平达到国外先进水平。
Objective To compare diffenrent amounts of the glycyrrhizic acid extracted by two methods-decoct method and Ammonia-water method.
目的比较水酸法和氨水法提取甘草酸含量的变化。
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