英语词汇“crown ether”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

> as lemmas

crown ether

crown ether n. Chemistry any of a class of polyethers which have cyclic molecules in the form of a crenellated ring and typically are capable of binding strongly to metal ions; cf. sense 18.

ΚΠ

1969 Jrnl. Org. Chem. 34 431/1 An equivalent amount of 0.2 M crown ether-KOH complex in benzene was used as the hydrolysis medium.

1988 Nature 18 Feb. 599/2 The cations are alkali metal cations complexed by cyclic or bicyclic polyethers of the crown ether or cryptand classes.

2003 Drug Week (Nexis) 18 Apr. 28 Crown ethers, used as host molecules, can either encircle (think doughnut) or fold around (think taco) a guest molecule.

extracted from crownn.

as lemmas

单词	crown ether
释义	> as lemmas crown ether crown ether n. Chemistry any of a class of polyethers which have cyclic molecules in the form of a crenellated ring and typically are capable of binding strongly to metal ions; cf. sense 18. ΚΠ 1969 Jrnl. Org. Chem. 34 431/1 An equivalent amount of 0.2 M crown ether-KOH complex in benzene was used as the hydrolysis medium. 1988 Nature 18 Feb. 599/2 The cations are alkali metal cations complexed by cyclic or bicyclic polyethers of the crown ether or cryptand classes. 2003 Drug Week (Nexis) 18 Apr. 28 Crown ethers, used as host molecules, can either encircle (think doughnut) or fold around (think taco) a guest molecule. extracted from crownn. < as lemmas
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