单词 | 氮原子 |
释义 | 〔thiazole〕A colorless or pale yellow liquid, C3H 3NS, containing a five-member ring composed of a nitrogen atom, a sulfur atom, and three carbon atoms, used in making dyes and fungicides. 噻唑:一种用于制染料和杀真菌的无色或淡黄色液体C3H 3NS,是由一个氮原子、一个硫原子及三个碳原子组成的五环化合物 〔alkaloid〕Any of various organic compounds normally with basic chemical properties and usually containing at least one nitrogen atom in a heterocyclic ring, occurring chiefly in many vascular plants and some fungi. Many alkaloids, such as nicotine, quinine, cocaine, and morphine, are known for their poisonous or medicinal attributes.生物碱:有机化合物的一种,通常呈碱性且在一杂环中至少含有一个氮原子,主要存在于许多维管植物和一些真菌中。许多生物碱,如尼古丁、金鸡纳霜、可卡因和吗啡都以其毒性或在医药方面的特性而为人们所熟知〔thiazine〕Any of a class of organic chemical compounds containing a ring composed of one sulfur atom, one nitrogen atom, and four carbon atoms, used in making dyes.硫氮杂苯:包括一个硫原子、一个氮原子和四个碳原子的环状有机化合物的任一种,用于制作染料〔quaternary〕a quarternary nitrogen atom.和四个碳原子相连的氮原子〔azine〕A six-membered heterocyclic compound, such as pyridine, that contains one or more atoms of nitrogen with a ring structure resembling that of benzene.吖嗪,连氮:由六种元素构成的杂环化合物,如氮苯(吡啶),它由一个或更多的氮原子构成,呈环状结构,类似苯的结构〔diazo〕Relating to or containing a pair of bonded nitrogen atoms, one of which is also bonded to an aromatic hydrocarbon.重氮的:关于或含有一对结合的氮原子的,其中一个还结合一个芳(旋)烃〔diazine〕A compound containing a benzene ring in which two of the carbon atoms have been replaced by nitrogen atoms, especially any of three isomers having the composition C4H 4N 2. 二嗪:一种含有一个苯环,其中两个碳原子被氮原子取代,尤其是有这种组成的C4H 4N 2的三种同分异构体的任一个 |
随便看 |
英汉汉英双解词典收录301015条英汉双解翻译词条,可根据汉字查询相应的英文词汇,基本涵盖了全部常用汉字的英文读音、翻译及用法,是英语学习及翻译工作的有利工具。