quaternaries

四个一组
常用释义
n. 四个一组（quaternary 的复数）

扩展信息

季铵盐类
(2). 三大生物杀菌剂种类：卤素化合物 (halogenated compounds)、无机化合物和季铵盐类(quaternaries)，占将近 55% 总市场 …

例句

The Quaternaries are three in number - this means that the 12 signs of the Zodiac are divided into three categories of four signs each.

Application of the gemini quaternaries containing ester- bond surfactants in the determination trace aluminium

常用短语

quaternary ammonium
quaternary ammonium - [石油]季铵；[生物]四级铵
quaternary ammonium salt
quaternary ammonium salt - 季铵盐
quaternary period
quaternary period - 第四纪
quaternary system
quaternary system - 四进制，四元系统
quaternary geology
quaternary geology - 第四纪地质学
quaternary structure
quaternary structure - 四级结构

更新时间：2025-06-13 10:23