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鲜重和干重是什么意思
更新时间: 2020-09-22 00:00:00  

鲜重:在细胞总重,包括水,是鲜活的植物采集来后立刻测出的重量;干重:细胞除去自由水后的重量,烘干后保持恒重后测定的重量,自由水是细胞中绝大部分的水,以游离的形式存在,可以自由流动或指不被植物细胞内胶体颗粒或大分子所吸附,能自由移动,并起溶剂作用的水。

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