active radicals meaning in English

活性根
活性基

In this paper , the author introduces another experimental research on dpf regeneration , which has been conducted by spraying h2o2 into the filter . it features that the temperature at which the soot oxidizes properly by the reaction between carbon and highly active radical species generated from h _ 2o _ 2 become much lower
本文采用了一种新的方法对柴油机微粒过滤器的再生进行了试验研究，即利用h _ 2o _ 2分解产生的活性基团和碳烟进行反应，从而在较低的温度下将碳烟烧掉。