英语语法分析

Diaryl nitroxides are even more stable than the dialkyl nitroxides.

二芳基氮氧化物比二烷基氮氧化物还要稳定。

Diaryl nitroxides are even more stable than the dialkyl nitroxides.

二芳基氮氧化物自由基比二烷基氮氧化物自由基还要稳定。

As mentioned before, dialkyl dimethyl quats are not suitable for this purpose.

如前记载，二烃基和二甲基并不适合这个意图。