自催化作用

聚乳酸在降解过程中，产生的羧基或乳酸对聚乳酸的降解产生自催化作用。

During degradation , the carboxyl or lactic acid resulted from the degradation of polylactic acid act as the catalyst .

研究证明，由氯乙醇与三甲胺合成氯化胆碱的反应过程中，氯化胆碱具有良好的自催化作用。

It ws indicated from experimental study that the choline chloride behaves good selfcatalysis in the reaction between chloroethanol and trimethylamine .

化学镀是通过溶液中适当的还原剂使金属离子在金属表面的自催化作用下还原进行的金属沉积过程，其实质是化学氧化还原反应，有电子转移，无外电源的化学沉积过程。

Electroless plating is a metal deposit process on the metal surface where the metallic ions are reduced by reducing agent and the self-catalyst of matrix materials . Mechanism of electroless plating process is redox reaction where there is a electrons transfer and no electrical supply in the process .

通过扫描电镜、能谱和XRD分析，对其除铁锰机理进行了探讨，提出该滤料除铁锰的机理是通过改性使其表面形成了活性滤膜的自催化氧化作用。

Based on the analysis of scanning electronic microscope ( SEM ), energy spectrum and XRD , the removal mechanism of iron and manganese was discussed . It found that active filter membrane comes into being on the surface of filter media as auto catalyzed oxidations after modification .