heterocyclic ring

基本解释

• 杂环

同根派生

• heterocyclic ring相关词

英汉例句

双语例句

• The attachment of a group to a central metallic agent such as iron with two valences to form a heterocyclic ring.
  一种基与中心金属离子（如二价铁离子）结合，形成杂环。
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• An organic coordination (complexing ) compound in which the metal ion is bound to atoms of nonmetals, e. g. nitrogen, carbon, or oxygen, to form a heterocyclic ring having coordinate covalent bonds.
  一种配位（络合）化合物，其中的金属离子与氮、碳或氧等非金属原子结合生成有配位共价键的杂环。
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• The results show that the pyridine heterocyclic ring comes into splitting decomposition at 770 ℃;
  结果表明：吡啶杂环在770℃时开始裂解；

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词组短语

短语

• heterocyclic -ring base 杂环碱
• heterocyclic nitrogen ring 氮杂环
• heterocyclic fused ring 稠杂环
• oxygen heterocyclic ring 含氧杂环;翻译
• nitrogen heterocyclic ring compound 含氮杂环化合物

• heterocyclic ring更多词组

专业释义

化学

• 杂环

  Hydantoin is one of five-membered heterocyclic ring compounds and its derivatives are used widely in the fields of medicine, pesticide, printing, resin and organic synthesis . The synthesis and application of some of hydantoin derivatives were studied in this paper.
  乙内酰脲属于一种五元杂环化合物。

  农业科学

• 杂环

  The C4 contained heterocyclic ring of podophyllotoxin derivatives can get higher antifeedant activity than podophyllotoxin .
  2.鬼臼毒素4位引入杂环可以得到比母体化合物活性更高的化合物。

  能源科学技术

• 杂环环