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单词 pernitrous
释义

> as lemmas

pernitrous
pernitrous adj.
Brit. /pəːˈnʌɪtrəs/
,
/pəˈnʌɪtrəs/
,
U.S. /pərˈnaɪtrəs/
[perhaps after French pernitreux (1816 or earlier).] rare
ΚΠ
1818 W. Henry Elements Exper. Chem. (ed. 8) I. i. xviii. 405 When 400 measures of nitrous gas and 100 measures of oxygen..are mixed together..we obtain 100 measures of a compound, called by Gay Lussac per-nitrous acid. Mr. Dalton..has lately proposed to call it sub-nitrous acid.
1997 Nitric Oxide 1 502 Raman spectroscopy has been used to determine the isotopic distribution of oxygen during the isomerization of pernitrous acid to nitrate.
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