| 释义 |
ferrous, a. Chem.|ˈfɛrəs|
[f. L. ferr-um iron + -ous.]
1. A term applied to compounds in which iron combines as a divalent, e.g. ferrous oxide, FeO, also called iron protoxide. Also, characteristic of ferrous compounds; of or pertaining to iron in its bivalent state; applied to iron in that state.
c1865G. Gore in Circ. Sc. I. 199/2 Ferrous sulphate (protosulphate of iron). 1873J. P. Cooke New Chem. 173 Ferrous and ferric sulphates..correspond to ferrous and ferric oxides. 1876Harley Mat. Med. 204 Iron forms with chlorine..Ferrous chloride. 1878W. Abney Treat. Photogr. iv. 30 The action of light on all ferric salts, under certain conditions, is to reduce them to the ferrous state. 1940R. L. Haden Princ. Hematol. (ed. 2) iv. 53 The iron attached to the hematin is in the ferrous form. 1950Science News XV. 100 Its absorption bands are visible only when the iron which is in its molecule is in the reduced or ferrous state. 1962P. J. & B. Durrant Introd. Adv. Inorg. Chem. xxiv. 1023 The oxides and sulphides of iron are giant molecule compounds in which either the ferrous or the ferric ion is present. Ibid. 1025 Compounds of ferrous iron.
2. Containing iron in significant quantities; of or pertaining to iron.
1887Proc. R. Soc. XLII. 202 There was but little space, outside the section of the iron, enclosed by the coil; and the small amount of magnetic induction in this non-ferrous space was allowed for. 1915Ibbotson & Aitchison Anal. Non-Ferrous Alloys p. v, The chemistry of the ferrous alloys. 1954J. L. Bray Ferrous Process Metallurgy i. 1 For the manufacture of ferrous alloys, large quantities of iron ore..are required. |