quaternaries

quaternaries

美 　英

• adj.【地】第四纪[系]的；四个一组的；由四部份组成的；第四的
• n.【地】第四纪；【数】四进制；四个一组的东西；第四组组成部分
• 网络季铵盐类

词形变化

复数：quaternaries  

英汉解释

adj.	1. 【地】第四纪[系]的 2. 四个一组的;由四部份组成的;第四的 3. 【化】四元的;四价的;季的;【数】四进制的
n.	1. 【地】第四纪 2. 【数】四进制 3. 四;四个一组的东西;第四组组成部分

英英解释

n.	1. the fourth member of a set 2. the current period of geologic time, beginning 1.6 million years ago and characterized by the appearance and dominance of humans
adj.	1. consisting of four parts, or occurring in sets of four 2. bonded to four other nonhydrogen atoms or groups of atoms, or containing atoms bonded in this way

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.

季胺盐是在数量上-这意味着12生肖迹象划分为三个类别，每四个标志。

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

酯型双子季铵盐表面活性剂在微量铝测定中的应用

Synthesis and properties of quaternaries ammonium cationic surfactants derived from nonylphenol

壬基酚衍生的季铵盐阳离子表面活性剂的合成及性能