波美度(°be′)
【意思解释】用波美比重计在溶液中测得的度数。测得某溶液的波美度后，可从相应的对照表中查出该溶液的质量百分比浓度。广泛应用于工业生产中。波美比重计有轻表和重表两种，前者用于测量比水轻的液体，后者用于测量比水重的液体。
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