“national primary standard for acidity (pH)”的概念、定义、翻译、参考文献-科学参考

单词	national primary standard for acidity (pH)
释义	national primary standard for acidity (pH) Encyclopedia 工学物理化学特性计量释 national primary standard for acidity (pH)酸度国家计量基准用于复现和保存水溶液pH的标度。国家水溶液酸度量值传递的源头。
随便看	heavy ion radioactivity heavy-ion radioactivity heavy ion reaction heavy-ion reaction heavy isotope heavy knock heavy launch vehicle mobile launch platform heavy lepton heavy liquid separation heavy load pavement heavy maintenance heavy media heavy-media separation equipment heavy-media separator heavy-medium cyclone heavy-medium vibrating chute heavy meson heavy metal heavy metal contamination of fisheries environment heavy metal elements measurements heavy metal in aquatic food heavy metal ion adsorbent heavy-metal ions absorbent fiber heavy metal measurement by laser-induced breakdown spectroscopy heavy metal pollutants poisoning

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