Chlorofluorocarbons and hydrochloroflorocarbons are oxidated in the stratosphere and troposphere respectively.

两类物质分别在同温层和对流层氧化降解.

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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 results showed that the oxide degradation accorded with the dynamic theory of random degradation.

实验结果显示均相条件下壳聚糖的氧化降解符合无规降解动力学规律.

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The microbial and oxidative degradations of PVA were studied using the permeation chromatography ( GPC ) and UV - spectrophotometer.

采用凝胶色谱法 ( GPC ) 和紫外分光光度法(UV)研究了聚乙烯醇(PVA)微生物降解和化学氧化降解效果.

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Aromatic cytokinins metabolism is classified under four broad headings : interconversion, hydroxylation, conjugation and oxidation.

它的代谢具有相互转换 、 基化作用 、 合作用和氧化降解四个特征.

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The mechanism of pollutant degradation in wastewater by heterogeneous catalytic oxidation is primarily explored.

初步探讨了非均相催化氧化降解废水中的污染物机理.

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