| 单词 |
sulphide |
| 释义 |
sulphide, n. Chem.|ˈsʌlfaɪd|
Also -id.
[f. sulphur- + -ide.]
1. A compound of sulphur with another element (usually denoted by a qualifying term).
1836T. Thomson Min., Geol., etc. I. 81 Sulphide of arsenic. 1856Miller Elem. Chem., Inorg. vii. §1. 584 An insoluble metallic sulphide. 1875A. S. Taylor Poisons (ed. 3) 51 The alkaline sulphides (sodium and ammonium). 1880J. W. Legg Bile 30 Sulphide of carbon and benzol are..good solvents.
b. hydrogen sulphide, sulphide of hydrogen, sulphuretted hydrogen, H2S. (Also attrib.)
1849D. Campbell Inorg. Chem. 264 Sulphide of hydrogen gas. 1873[see hydrogen 2 b]. 1881Nature 6 Oct. 550/2 This sulphide of hydrogen tube.
2. attrib., chiefly with reference to the treatment of metallic sulphides in manufacturing processes.
1893Westm. Gaz. 14 July 6/1 The hitherto intractable sulphide ore. 1899Daily News 22 Apr. 2/7 This company's sulphide plant. 1900Ibid. 10 May 2/7 The sulphide mill.
Hence ˈsulphide v. trans., to convert into or impregnate with a sulphide; also sulphiˈdation, impregnation with a sulphide; ˈsulphiding vbl. n.
1904U.S. Geol. Surv., Monogr. XLVII. 205 Sulphidation is the union of sulphur with a metal forming sulphides. 1950R. W. Moncrieff Artificial Fibres viii. 105 The yarn was wound into skeins, and these were washed, sulphided, bleached and washed. 1955E. E. Loening et al. in R. S. Schultze Sci. & Applic. Photogr. 62 In the case of sulphiding, the left part of the curves is..absent. 1982Photogr. Sci. & Engin. XXVI. 223/1 Sulfiding of the cathode can be minimized by poising the potential of the cathode more positive than -0·55 v. |
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