Recent progress of primary amine N1923 research is summarized . Extraction mechanism is analyzed and influence on primary amine N 1923 extraction are discussed from various aspects.

本文总结了近年来伯胺N1923的研究进展，分析了萃取机理，从不同角度讨论了影响伯胺N1923萃取因素。

Because chitosan possesses in its structure highly reactive primary amine groups, the functional properties of chitosan fibers could he modified by applying various treatments to the fiber structure.

由于甲壳胺的分子结构中有反应活性很高的氨基，通过对氨基的化学改性可以得到具有特殊功能的改性甲壳胺纤维。

The catalytic performance of the secondary amine catalyst is generally superior to the primary amine and tertiary amine catalyst.

仲胺有机催化剂的催化性能优于叔胺和伯胺的催化性能。

In this paper carbonylation of nitro compounds with co-reagent based on secondary amine, primary amine and 4-aminopyridine is detailed.

本文介绍了二级胺、一级胺和4 -氨基吡啶为共试剂的硝基化合物的羰基化反应情况。

Because chitosan possesses in its structure highly reactive primary amine groups, the functional properties of chitosan fibers could be modified by applying various treatments to the fiber structure.

由于甲壳胺的分子结构中有反应活性很高的氨基，通过对氨基的化学改性可以得到具有特殊功能的改性甲壳胺纤维。

In this paper, how to use the distillation resdues in process of primary amine synthesise organobentonite covering agent and antistatic agent is discussed.

本文主要叙述了如何利用伯胺生产过程中的蒸馏残渣制取有机土覆盖剂和抗静电剂。

The technology and test results for the preparation of non-iron aluminium sulfate by primary amine extraction method are introduced. The technical and economical status of the process are also stated.

介绍了用伯胺直接从铝土矿的硫酸浸取液中萃取分离铁生产无铁硫酸铝的工艺研究内容和结果，并介绍了工艺技术经济状况。