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水硬度
释义
水硬度
Encyclopedia
理学
环境分析
释
hardness of water
水硬度
度量水中钙离子、镁离子浓度的水质指标。虽然其他金属离子如铁离子、亚铁离子、锰离子、铝离子、锶离子、锌离子等也会产生硬度,但产生硬度的比例较小。
Chemistry
>分析化学>化学分析>释义
water hardness
水硬度
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period of a continued fraction
period of a decimal fraction
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period of an element
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period of an oscillation
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period of a wave
period of coefficients
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period of light variation
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Period of Political Instruction Constitution of Republic of China
period of pseudorandom numbers
period of revolution
period of revolution, orbital period
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period of rotation
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