Chemistry. A constituent of a substance obtained by chemical analysis or separation; esp. one responsible for a characteristic property or effect…
| 单词 | θ67416 |
| 释义 | the world > matter > chemistry > chemical assay or analytical chemistry > [noun] > analytical constituents (2) principle1708 Chemistry. A constituent of a substance obtained by chemical analysis or separation; esp. one responsible for a characteristic property or effect… group1843 Chemistry. In qualitative analysis: a set of ions or radicals which react similarly in specific tests, so that the presence of at least one… |
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