英语词汇“ring closure”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

> as lemmas

ring closure

ring closure n.

ΚΠ

1905 Jrnl. Biol. Chem. 1 27 It is conceivable that in the production of the base..ring closure took place in such a way that the nitrogen atoms of these two disconnected groups became directly joined.

1964 N. G. Clark Mod. Org. Chem. xv. 294 On heating..these compounds readily undergo ring-closure through loss of a molecule of ethanol.

1992 C. A. Smith & E. J. Wood Biosynthesis ix. 204 Three ammonium ions are lost at this stage, with a fourth eliminated later on ring closure to uroporphyrinogen III.

extracted from ringn.¹

as lemmas

单词	ring closure
释义	> as lemmas ring closure ring closure n. ΚΠ 1905 Jrnl. Biol. Chem. 1 27 It is conceivable that in the production of the base..ring closure took place in such a way that the nitrogen atoms of these two disconnected groups became directly joined. 1964 N. G. Clark Mod. Org. Chem. xv. 294 On heating..these compounds readily undergo ring-closure through loss of a molecule of ethanol. 1992 C. A. Smith & E. J. Wood Biosynthesis ix. 204 Three ammonium ions are lost at this stage, with a fourth eliminated later on ring closure to uroporphyrinogen III. extracted from ringn.¹ < as lemmas
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