Hexadecyl octyl dimethyl ammonium bromide and hexadecyl decyl dimethyl ammonitim bromide were synthesized.是什么意思？

Hexadecyl octyl dimethyl ammonium bromide and hexadecyl decyl dimethyl ammonitim bromide were synthesized.

合成了十六烷基辛基二甲基溴化铵和十六烷基癸基二甲基溴化铵两个新型杀生剂.

hexadecyl

十六基；

例句
Hexadecyl octyl dimethyl ammonium bromide and hexadecyl decyl dimethyl ammonitim bromide were synthesized.
合成了十六烷基辛基二甲基溴化铵和十六烷基癸基二甲基溴化铵两个新型杀生剂.

dimethyl

adj. 二甲基的；

例句
Vapor - liquid equilibria and separation of methanol - dimethyl carbonate azeotrope are ( reviewed ) in this paper.
综述了碳酸二甲酯 - 甲醇二元共沸物汽液平衡和 分离方法 的最新研究进展.

ammonium

n. 铵；

例句
Nefedipine was synthesized with m - Nitrobenzaldehyde, ethyl acetoacetate ammonium acetate.
以间硝基苯甲醛, 乙酰乙酸乙酯,氨化试剂为原料.

bromide

n. 溴化物，溴化物镇静剂，安眠药，陈词滥调；

例句
Conclusion 0.1 % benzalkonium bromide was contaminated by Pseudomonas aeruginosa from the pollution of purification water system.
结论本次0.1%苯扎溴铵消毒液污染是由纯化水制备系统污染未及时发现造成.

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

decyl

癸基；

例句
Hexadecyl octyl dimethyl ammonium bromide and hexadecyl decyl dimethyl ammonitim bromide were synthesized.
合成了十六烷基辛基二甲基溴化铵和十六烷基癸基二甲基溴化铵两个新型杀生剂.

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

synthesized

--

例句
Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst.
以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.