单词 | proto-nitrate |
释义 | > as lemmasproto-nitrate proto-nitrate n. Brit. , U.S. now historicalΚΠ 1823 Lancet 16 Nov. 232/2 It is precipitated by protonitrate of mercury. 1908 Philos. Trans. (Royal Soc.) A. 207 395 Protonitrate of mercury..was made from mercury and nitric acid. 1953 A. G. E. Pearse Histochem. i. 4 Payen (1843) had already demonstrated nitrogenous substances in vegetable tissues with mercury proto-nitrate. < as lemmas |
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