单词 | basic-oxygen |
释义 | > as lemmasbasic-oxygen basic-oxygen adj. (also Basic Oxygen) Metallurgy designating a type of steelmaking furnace which is lined with material rich in basic oxides, and in which the metal is heated under a directly-injected layer of gaseous oxygen; hence, designating this technique or process of steel production, or steel produced in this way (see sense A. 2c above). ΚΠ 1970 E. N. Simons Dict. Ferrous Metals Basic oxygen-furnace-melted steel, steel melted by injection of oxygen into the furnace... The oxygen injection process has largely taken the place of the original open-hearth furnace. 1978 G. C. Hill & J. S. Holman Chem. in Context xix. 280 In the Basic Oxygen Process, no external heating is required since the reactions which take place inside the furnace are very exothermic. 1984 E. P. DeGarmo et al. Materials & Processes in Manuf. (ed. 6) iv. 90 In 1952, the basic-oxygen process was developed, taking advantage of the availability of large quantities of pure oxygen. 1989 A. C. Davies Sci. & Pract. Welding (ed. 9) I. ii. 73 Basic oxygen steel (BOS). < as lemmas |
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