英语词汇“parahydrogen”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	parahydrogen
释义	parahydrogen parahydrogen (ˌpærəˈhaɪdrədʒən) n (Chemistry) chem the form of molecular hydrogen (constituting about 25 per cent of the total at normal temperatures) in which the nuclei of the two atoms in each molecule spin in opposite directions. Compare orthohydrogen Translations paraidrogeno parahydrogen parahydrogen [¦par·ə′hī·drə·jən] (atomic physics) Those states of hydrogen molecules in which the spins of the two nuclei are antiparallel; known as spin isomers.
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