heteroatom
怎么读heteroatom词义
n.
杂原子，杂环原子；
英英释义
Heteroatom
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.
以上来源于:Wikipedia
heteroatom用法
双语例句
用作名词(n.)
The key step was a substrate controlled asymmetric heteroatom conjugated addition.
关键反应为底物控制的不对称杂原子共轭加成反应。
权威例句
Gold-catalyzed carbon-heteroatom bond-forming reactions.Iron-catalysed carbon-heteroatom and heteroatom-heteroatom bond forming processes.
Palladacyclic catalysts in C-C and C-heteroatom bond-forming reactions.
Rhodium-catalyzed C-C bond formation via heteroatom-directed C-H bond activation
Mono-Cp heteroatom containing group IVB transition metal complexes with MAO: supported catalyst for olefin polymerization
Ylide formation from the reaction of carbenes and carbenoids with heteroatom lone pairs
Beyond Conventional N-Heterocyclic Carbenes: Abnormal, Remote, and Other Classes of NHC Ligands with Reduced Heteroatom Stabilization
Establishment of broadly applicable reaction conditions for the palladium-catalyzed direct arylation of heteroatom-containing aromat...
Recent advances in syntheses of heterocycles and carbocycles via homogeneous gold catalysis. Part 1: Heteroatom addition and hydroar...
Advances in analytical methodology for bioinorganic speciation analysis: metallomics, metalloproteomics and heteroatom-tagged proteo...
heteroatom造句
1. Heterocyclic compounds with nitrogen heteroatom (s) only.
仅含有氮杂原子的杂环化合物。
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2. The key step was a substrate controlled asymmetric heteroatom conjugated addition.
关键反应为底物控制的不对称杂原子共轭加成反应。
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3. As an important approach of carbon-carbon bond formation and carbon-heteroatom bond formation, photochemistry of organic halides has been studied extensively.
有机卤代物的光反应作为构建碳-碳键和碳-杂原子键的一种重要途径已经得到了广泛和深入的研究。
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4. The experimental results show that the fractions of the extracts consist mainly of aliphatic hydrocarbons, aromatic hydrocarbons and heteroatom-containing compounds.
实验结果表明，萃取物主要由脂肪烃、 芳香烃和含杂原子化合物组成。
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5. The results showed that the aromatic ratio, heteroatom and metal contents contribute to the high polarity of the asphaltenes. This is the basis of other properties of heavy oil.
结果表明，沥青质的高极性是由其高芳烃含量、高杂原子和金属含量引起的，这是研究稠油其它性质的基础。
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6. The results showed that the aromatic ratio, heteroatom and metal contents contribute to the high polarity of the asphaltenes. This is the basis of other properties of heavy oil.
结果表明，沥青质的高极性是由其高芳烃含量、高杂原子和金属含量引起的，这是研究稠油其它性质的基础。
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7. of organic compounds whose molecules contain one or more rings of atoms with at least one atom (the heteroatom
杂环化合物:一类有机化合物的统称,其分子包含一个或更多的原子环,其中至少有一个原子(杂原子)是碳以外的元素,通常是氧、氮或硫。
-- 来源 -- 英汉 - 翻译样例 - 自然
8. cationic heteroatom
阳异原子
-- 来源 -- 英汉 - 翻译参考[网络]
