| 单词 | nickel metal |
| 释义 | > as lemmasnickel metal nickel metal n. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > nickel > [noun] nickel1755 nickel metal1851 society > occupation and work > materials > derived or manufactured material > metal > base metal > [noun] > nickel nickel1755 nickel metal1851 1851 Smee in Ure's Dict. Arts (1875) II. 220 The deposit..forms a great contrast to the common nickel metal. 1879 Manufacturer & Builder Aug. 183/1 The second and better method of obtaining the nickel metal from a proper electroplating solution by means of a current of such intensity as required for this purpose. 1983 New Scientist (BNC) 28 Apr. The methanation reaction..occurs over a nickel metal catalyst. < as lemmas |
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