Thermal and thermo - oxidative degradation of chitin with ammonium nitrate, ammonium sulfate and concentrated acid were studied.

讨论了硝酸铵 、 硫酸铵和浓硫酸对自制甲壳素热降解和热氧化降解过程的影响.

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The low temperature thermo oxidative process of PAN fiber was studied by in situ X ray diffraction.

用在位X-射线衍射研究了PAN纤维的低温热氧化过程.

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