英语词汇“le bel, joseph achille”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	le bel, joseph achille
释义	See Joseph Achille Le Bel See Joseph Achille Le Bel Le Bel, Joseph Achille Le Bel, Joseph Achille, French chemist, 1847-1930. Le Bel-van't Hoff rule - the number of stereoisomers of an organic compound is 2n where n represents the number of asymmetric carbon atoms unless there is an internal plane of symmetry.
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Le Bel, Joseph Achille