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单词 german process
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German process
German process n. any of various industrial or technical processes originating (or thought to originate) in Germany; (Metallurgy) the process of reducing copper ore in a blast furnace after it has been roasted.
ΚΠ
1826 New-Hampsh. Statesman & Concord Reg. 29 July Lime..after a time, returns to a state of unburnt lime... These evils may be avoided by the German process.
1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 137 German process, in copper smelting, the process of reduction in a shaft-furnace, after roasting, if necessary.
1902 New Internat. Encycl. V. 256/2 The blast-furnace or German process, consists in roasting the ores in special appliances, followed by smelting the roasted material with coke or charcoal in blast-furnaces.
1997 D. C. Blackley Polymer Latices (ed. 2) II. x. 269 The German process for the concentration of synthetic latices based upon the Stockpunkt phenomenon.
extracted from Germann.adj.
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