Progress in the research on adsorptive characteristic of chitosan and its derivative with heavy metal ions, acid and organic dyestuff etc was reviewed in this paper.
综述了壳聚糖及其衍生物对重金属离子、酸和有机染料等吸附特性的研究进展。
It helps people have a better understanding of the primitive Indo European Language, thus promoting the research on its derivative languages.
这有助于加深对印欧语系原始母语的了解，促进对其所派生的现代相关语言的研究。
In chapter 3, we set some new conceptions of G-derivative, and make a research on the relations among these new derivatives and the convexity of an operator.
第三章提出了一些新的G -可微概念，并研究了算子的凸性与这些新的可微性之间的关系。
应用推荐