A chemical test involving reaction with an acid (occasionally, a test for an acid); spec. a test for gold or other precious metal using nitric acid.
| 单词 | θ209432 |
| 释义 | society > occupation and work > industry > working with specific materials > working with metal > [noun] > testing > specific test (3) acid test1759 A chemical test involving reaction with an acid (occasionally, a test for an acid); spec. a test for gold or other precious metal using nitric acid. Wöhler test1911 a fatigue test in which a horizontal bar is rotated axially while supported at one end and loaded at the other. cupping test1927 The formation of a cup or concavity; a concavity thus formed. spec. in Metallurgy, the process of forming a depression in sheet metal by forcing a… |
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