This article reviewed the synthesis of n-substituted aza crown ethers and their new applications to the field of selective complexation and extraction for metal ions .
摘要综述了n-取代氮杂冠醚的合成和对金属离子的选择性络合和萃取研究的新进展。
The research progress in the preparation of chitosan-based nanoparticles as drug carriers were briefly reviewed , including covalently crosslinking , ionically inducing , precipitation , interpolymer complexation and self-assembly methods .
The structural features and the complexation properties of crown ether compounds were introduced , as well as their new developments on complexation , ion recognition , and molecular recognition .
介绍了冠醚类化合物的结构特点及络合性能、冠醚的络合作用和识别分子离子的新进展。
A study of the formation of goethite , hyrogoethite and hematite under the bacterial action indicates that the bacterial action includes the whole process of solution and adsorption , complexation , transformation and crystallization-nucleation .
Results in the experiments show that symmetrical and steady hydrates have been shaped ; its process on formation of natural gas hydrates from ice is the course on reaction of solids and gases , which contain adsorption , catalysis , complexation and crystallization .
