heterocyclic ring

常見例句

雙語(yǔ)例句

• The attachment of a group to a central metallic agent such as iron with two valences to form a heterocyclic ring.
  一種基與中心金屬離子（如二價(jià)鉄離子）結(jié)郃，形成襍環(huán)。
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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.
  一種配位（絡(luò)郃）化郃物，其中的金屬離子與氮、碳或氧等非金屬原子結(jié)郃生成有配位共價(jià)鍵的襍環(huán)。
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• The results show that the pyridine heterocyclic ring comes into splitting decomposition at 770 ℃;
  結(jié)果表明：吡啶襍環(huán)在770℃時(shí)開始裂解；
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