| 单词 | basic refractory |
| 释义 | > as lemmasbasic refractory c. Applied to an improved ‘Bessemer’ process of steel-manufacture, in which phosphorus is eliminated from the pig-iron by the use of non-silicious materials (e.g. limestone, dolomite, magnesia) for the lining of the converters, and for introduction in the course of the ‘blow’; hence also applied to the steel thus produced, etc. basic refractory, a refractory material with a high content of basic oxides. ΘΚΠ society > occupation and work > industry > working with specific materials > working with metal > [adjective] > other metalworking processes brass-finishing1879 basic1880 Mannesmann1920 thermomechanical1974 society > occupation and work > materials > types of material generally > [noun] > plastic or mouldable > not basic refractory1917 1880 W. C. Roberts Introd. Metall. 20 The practical application of basic linings in the Bessemer converter. 1883 Birmghm. Weekly Post 18 Aug. 8/2 Basic steel and ingot iron, made from phosphoric pig. 1917 R. Moldenke Princ. Iron Founding viii. 277 The iron foundry has so far had but little to do with basic refractories. 1944 E. Gregory & E. N. Simons Steel Manuf. (ed. 3) xxi. 164 For this reason silica bricks cannot be used, and therefore magnesite, dolomite or other basic refractories have to be employed. < as lemmas |
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