The use of fire in the analysis, alteration, or preparation of substances, in chemistry, pharmacy, metallurgy, etc. Now historical.
| 单词 | θ209334 |
| 释义 | society > occupation and work > industry > working with specific materials > working with metal > [noun] > branches of metallurgy (7) pyrotechny1592 The use of fire in the analysis, alteration, or preparation of substances, in chemistry, pharmacy, metallurgy, etc. Now historical. metallostatics1665 the study of the weight of metals and minerals. siderurgy1869 The metallurgy of iron and steel. metallography1871 The scientific study of metals; spec. the study of the structure of metals using chiefly microscopic and X-ray diffraction techniques; the… physical metallurgy1905 the branch of metallurgy concerned with the structure and physical properties of metals. pyrometallurgy1909 The process of extracting metals from their ores by the use of high temperatures. Also: the scientific study of metals in the molten state (rare). powder metallurgy1933 the branch of metallurgy which is concerned with the production of metals as fine powders and their subsequent pressing and sintering into compact… |
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