The first step is free-radical addition.

第一步反应为自由基加成反应。

youdao

According to the discussion of reaction conditions using different initiations, it was believed that peroxide-initiated free-radical addition reaction was a promising method by mechanism analysis.

通过机理分析和对不同引发条件下的自由基加成反应的比较，认为过氧化物引发自由基加成反应制备六氟丁醇具有工业化前景。

youdao

In addition to the scores of cars burned and shops ransacked by radical youths, the damage in Athens extends to Banks.

除了被激进青年烧毁的数十辆汽车和洗劫的商铺，雅典不少银行也遭到了破坏。

youdao

It's hardly been a secret that Apple's Jony Ive is exploring some more radical changes to iOS since taking the design reins for software in addition to hardware, but Bloomberg is now reporting some new details that paint a better picture of just what's going on in the lead-up to iOS 7.

ENGADGET

In addition, his approach angered many fans, who saw his new way too radical and too "un-Brazilian", with little flair and creativity.

BBC: Brazil look beyond Dunga to 2014