杂原子
杂原子是指有机化合物中，除了碳和氢以外的其他原子。一般指在分子骨架（特别是环系）中替换碳的原子。氮、氧、硫、磷、硼、氯、溴、碘等都是常见的杂原子。。若有机化合物中有包括杂原子的环，称为杂环化合物。
在描述蛋白质结构时，特别在蛋白质数据库中，杂原子的字段（HETATM）是描述不属于生物聚合物的一些小分子中的原子。
heteroatom
/'hetərəʊ,ætəm/ /'hɛtəro,ætəm/
英汉-汉英词典
n. 杂原子,杂环原子
词组 | 习惯用语
您要查找的是不是：
- heterozygous adj. 杂合的
- heterodox adj. 异端的
- heterogamy n. 配子异型,异配生殖,世代交替
- heterogamous adj. 世代交替的
heteroatom n. 杂原子，杂环原子
cationic heteroatom 阳异原子
网络短语:
heteroatoms NSO 杂原子
heteroatom dealkylation 脱烷基
Heteroatom compound 杂原子化合物
double heteroatom 双杂原子
heteroatom MCM-41 杂原子MCM
heteroatom hms 杂原子hms
heteroatom zeolite 杂原子分子筛
heteroatom zeolites 杂原子分子筛
heteroatom mcm- 杂原子mcm
英语例句库
- In the whole process of forming hydrocarbon, there exist the joining and removal of hydrogen or oxygen atom and heteroatom from the beginning to end.
人所熟知的胡萝卜烷由胡萝卜素加氢构成,在转化中需要消耗大量的氢,因而整个过程是非常典型的氧化还原反应。
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中文百科
英语百科
Heteroatom 杂原子
In organic chemistry, a heteroatom (from Ancient Greek heteros, different, + atomos) is any atom that is not carbon or hydrogen. Usually, the term is used to indicate that non-carbon atoms have replaced carbon in the backbone of the molecular structure. Typical heteroatoms are nitrogen, oxygen, sulphur, phosphorus, chlorine, bromine, and iodine.
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