这些结果具有重要意义，因为多环芳烃二醇环氧化物极易与DNA反应，进而导致变异，因此被视为香烟烟雾中所含多种多环芳烃中最重要的致癌物质。

These results are significant because PAH diol epoxides react readily with DNA, induce mutations, and are considered to be ultimate carcinogens of multiple PAH in cigarette smoke.

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在有机化学中，将苄卤和苄醇氧化成芳醛或芳酮是一类非常重要的反应。

In organic chemistry, the oxidation of benzyl halides and benzyl alcohols to aromatic aldehydes and aromatic ketones is an important reaction and of great significance both in theory and in practice.

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并对发光反应的机理作了简单的探讨，通过测试说明化学发光反应主要发生在醇氧化成醛这一步。

The mechanism of such chemiluminescence is discussed in brief and is shown that the chemiluminescence occurs in the step of alcohol oxidized into aldehyde.

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