| 释义 |
phosphatize, v.|ˈfɒsfətaɪz|
[f. as phosphatic a. + -ize.]
1. trans. To convert into a phosphate. Usu. as phosphatized ppl. a.
1883Nature XXVIII. 433/2 The majority of the Jurassic fossils are not phosphatised at all. 1884Science 16 May 587/1 These fossils are phosphatized more or less completely. 1885Q. Jrnl. Geol. Soc. XLI. 80 There this process of phosphatizing the coral has been in operation on a most extensive scale.
2. To treat with a phosphate; to coat (metal) with a phosphate to protect it against corrosion.
1939Metal Treatment IV. 172 A modern phosphatising process for sheet steel work comprises the following steps:—1. degrease, 2 phosphatise, 3 chromate rinse, 4 dry off. 1961Engineering 23 June 855/2 The skin which forms protects it from sprays used to clean and phosphatise the panels.
Hence phosphatiˈzation, the action of phosphatizing; the fact or condition of being phosphatized; ˈphosphatizing ppl. a. and vbl. n.
1875Q. Jrnl. Geol. Soc. XXXI. 362 At the Berwyn mine this process of phosphatization is most complete. 1883Nature XXVIII. 433/2 That the phosphatisation of the Upware coprolites was effected at some distance from their present billet. 1900Proc. Geologists' Assoc. XVI. 385 The ‘rock phosphates’ are phosphatised portions of the underlying Eocene and Miocene limestones... What was the nature of the phosphatising agent? 1939Automobile Engineer XXIX. 460/1 Phosphatisation converts the work surfaces to a porous but adherent coating of iron phosphate. Ibid. 460/3 Specimens having the full treatment of phosphatising and chromate rinse showed markedly superior performance. 1965G. J. Williams Econ. Geol. N.Z. xvi. 262/2 Reed believed the phosphatization to have occurred during the deposition of the Miocene beds. 1976J. R. Duncan tr. Bartoň's Protection against Atmospheric Corrosion v. 114 Chemical pre-treatment methods have come into use as an answer to the problem of finding methods for rust stabilization... Phosphatizing is the most frequently used of these methods. 1977A. Hallam Planet Earth 173 The phosphatization produced nodules and pellets up to 2 cm..in diameter. |