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calcium hardness

Chinese translation: 钙硬度

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)

English term or phrase:	calcium hardness
Chinese translation:	钙硬度
Entered by:	Bin Tiede

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09:51 Nov 30, 2011

English to Chinese translations [PRO]
Science - Biology (-tech,-chem,micro-)

English term or phrase: calcium hardness

中文应该是“钙硬度”还是“碱度”？这两个概念一样吗？谢谢。

Bin Tiede KudoZ activity Questions: 523 (none open) (29 closed without grading) Answers: 341 Germany
Local time: 00:57

钙硬度

Explanation:
硬度

英汉生态学名词
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hardness
硬度
水沉淀肥皂的能力，大体反映水中钙、镁离子的含量。钙镁浓度的总和称为总硬度，以每升水含碳酸钙的毫克数或毫克当量表示。

汉英生态学名词
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碱度
alkalinity
水与强酸标准溶液定量作用至一定pH值的能力。单位以CaCO3mg/L表示。