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。
Various methods for calculating the derivatives of structural characteristic frequencies and modes are summarized based on which the derivative expressions of sinusoidal responses are also derived.
本文首先归纳了计算结构自振频率和振型灵敏度的方法。
The chromatographic characteristic in CCl 4 solution was studied. These results showed that this derivative could probably be a kind of standard for the measurement of trace formaldehyde in air.
应用气相色谱研究了其在四氯化碳溶液中的色谱分离分析性质，结果表明，将之作为标准品用于空气中甲醛的分析是可行的。
The chromatographic characteristic in CCl 4 solution was studied. These results showed that this derivative could probably be a kind of standard for the measurement of trace formaldehyde in air.
应用气相色谱研究了其在四氯化碳溶液中的色谱分离分析性质，结果表明，将之作为标准品用于空气中甲醛的分析是可行的。
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