概述了食品中分布的致突变物质及其化学构造。

This review summarizes several different types of the mutagenic compounds distributed in foods and their chemical structures.

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它激活物质的内部化学构造，使它们的分子震动，然后碰撞在一起。

It roils the chemical innards of things, exciting their molecules to vibrate and crash into each other.

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基于对羧酸的化学构造剖析与乙烯型高效减水剂(peo)的侧链的水泥颗粒的分散性能停止了研讨。

Based on the analysis of the chemical structure of polycarboxylate-type superplasticizers with polyoxyethylene (PEO) side chains, the dispersing properties for cement particles were investigated.

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