R " is a replaceable function , e . g . acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.

R ” 是取化基,如乙氧基 、 甲氧基及它们的环氧和烷氧同系物或卤基.

辞典例句

The results show that zinc acetate - stearic acyloxy has thermal stability and synergistic effect with calcium stearate.

结果表明,硬脂酰氧基乙酸锌对PVC具有 一定的热稳定性能,与硬脂酸钙具有较好的协同作用.

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