弘扬国学 · 传承文化

purine

英 ['pjʊəriːn]

解释

n. [有化] 嘌呤（四氮杂茚，尿杂环）；咖啡碱

※ 提供单词"purine"的中文意思、发音示范及音标对照，中英文词源、例句和用法等。

英文词源

purine (n.): 1898, from German purin (Fischer), said to be from Latin purum, neuter of purus "clean, pure" (see pure) + Modern Latin uricum "uric acid" + chemical suffix -ine (2).

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例句和用法

1. 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.

2. 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.

3. The analytic method ( HPLC ) of purine compounds content in beer was developed.: 建立了高效液相色谱法测定啤酒中嘌呤类物质含量的分析方法.

4. Adenine A nitrogenous base ( 6 - amino - purine ) found in DNA and RNA.: 腺嘌呤:在DNA和RNA中发现的含氮的碱基 ( 6 - 氨基嘌呤 ).

5. Caffeine, a purine alkaloid, is a key component of tea and coffee.: 咖啡因是一种嘌呤生物碱, 存在于茶和咖啡中.