pyrimidine
嘧啶
常用释义
英音[ ˌpaɪˈrɪmɪˌdiːn; pɪˈrɪmɪdiːn ]
美音[ paɪˈrɪmədin; pəˈrɪmədiːn ]
基本释义
- n. 嘧啶（二氮三烯陆环）
例句
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1·Heterocycle is always pyrimidine or triazine.其中杂环部分常为嘧啶环或均三嗪环。
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2·Uracil -- a pyrimidine found in RNA that base-pares with adenine.尿嘧啶--核糖核酸中的一种嘧啶，与腺嘌呤形成碱基对。
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3·Sea pyrimidine can decrease the activity of calcium pump of tumor cells.海嘧啶可显著降低肿瘤细胞膜钙泵活性。
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4·The substitution of a purine for a pyrimidine, or vice versa is a transversion.嘌呤为嘧啶取代或嘧啶为嘌呤所取代，叫做颠换。
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5·The purine and pyrimidine may be complexed with a sugar to produce a nucleoside.嘌呤和嘧啶可以同一个糖复合，产生一个核苷。
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6·The nitrogenous bases are derivatives of two parent compounds, pyrimidine and purine.核苷的含氮碱基来自两种复合物，嘧啶和嘌呤。
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7·Clevudine is a pyrimidine analogue with potent and sustained antiviral activity against HBV.克来夫定为嘧啶类似物，对HBV具有持续有效的抗病毒活性。
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8·Pyrimidine as important medicine, pesticide intermediates, application prospects are very broad.嘧啶化合物作为重要的医药、农药中间体，应用前景非常广阔。
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9·Pyrimidine rings, as the essential structure unit in biological systems, exist widely in nature.嘧啶环广泛存在于自然界，是生命系统必须的分子结构单元。
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10·To substitute the ring a of the aurones with pyrimidine, a series of aza aurones were synthesized.以嘧啶环替换噢中的A环，合成了一系列氮杂噢类化合物。