| 单词 | ph meter |
| 释义 | > as lemmaspH meter pH meter n. ΚΠ 1932 Science 28 Oct. 10a (advt.) The Cambridge Electrometer Tube pH Meter illustrated, provides a direct reading instrument calibrated in pH units. 1970 P. Anderson Tau Zero 52 The workbench behind which she stood was barricaded with test tubes, flasks, a pH meter, a stirrer, a blender, and more. 1992 RS Components: Electronic & Electr. Products July 1138/3 A self-contained battery-operated pH meter covering the range 0 to 14 pH. For use in determining the acidity/alkalinity/neutrality of chemical solutions. < as lemmas |
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