Last Updated
：2025/11/19
ppm
Noun
initialism
Japanese Meaning
百万分率 (ppm 表示される割合、例: 10000 ppm は 1% を意味する) / 1分あたりのページ数 (ppm が印刷速度や読み取り速度などを示す場合)
Quizzes for review
(initialism) (common) Parts per million. (10000 ppm = 1%) / (initialism) page(s) per minute
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ppm
The lab measured 150 ppm of dissolved oxygen in the sample.
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The lab measured 150 ppm of dissolved oxygen in the sample.
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