| 单词 | pig-boiling |
| 释义 | > as lemmaspig-boiling pig-boiling n. now historical a stage in the puddling of unrefined pig iron, which is characterized by the rapid bubbling of gas from the molten metal. ΘΚΠ society > occupation and work > industry > working with specific materials > working with metal > [noun] > refining > refining pig-iron pig-boiling1856 pig-washing1887 1856 J. Hall in Birmingham Jrnl. 26 Sept. (Suppl.) 3/5 As regards the improved apparatus for the refinery, my principle is the doing away with the refinery process by pig boiling. 1928 H. M. Boylston Introd. Metall. Iron & Steel vi. 187 Hall's process was also known as the ‘pig-boiling process’ because of the vigorous boiling or bubbling of the molten metal. 1996 Amer. Metal Market (Nexis) 25 Apr. s7 Hall..improved on Henry Cort's..dry puddling process with a pig-boiling invention, which removed the carbon from pig-iron. < as lemmas |
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