Twaddell hydrometer
plural of Kingsolver
plural of argentaffin
present participle of dob
A form of hydrometer for liquids heavier than water, graduated with an arbitrary scale such that the readings when multiplied by .005 and added to unity give the specific gravity.
研究室の技術者は、読み値に0.005を掛けて1を加えると比重が得られる目盛りが刻まれた、水より重い液体用のトワッデル式比重計を使ってシロップ試料の密度を測定した。
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