| 释义 |
methanal n. Chem.|ˈmɛθənæl|
[f. methane n. + -al2.]
= formaldehyde n.
1894G. M'Gowan tr. Bernthsen's Text-bk. Org. Chem. (ed.2) v. 146 Formic Aldehyde (Methanal)... This may also be regarded as the oxide of the diatomic radicle methylene. 1967Tetrahedron XXIII. 1029 In the previous paper the computed properties of methyl cation using EHT theory were compared with two model systems: methanal and borane. 1983Norman & Waddington Mod. Org. Chem. (ed. 4) xii. 171 Methanal is a gas, other aldehydes and ketones of relatively low formula weight are liquids and the remainder are solids. |