在已有基团转移聚合机理研究的基础上，提出特种离子场活化聚合机理。
On the basis of former studies, a mechanism of group transfer polymerization activated by ionic field was proposed.
红外光谱法初步测定了活化条件对其表面基团的影响。
Infrared spectroscopy was also used to determine the effect of activation condition on surface group of activated carbon.
甲基，细胞内小的化学基团，定位于DNA链上一定区域，像开关一样，掌管着基因的活化和关闭。
Methyls, small chemical groups within cells, latch on to certain areas along the DNA strand. The methyls serve as a kind of switch that renders genes active or inactive.
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