空气处于半饱和状态。
球蛋白在半饱和硫酸铵溶液中即可析出，而清蛋白需在饱和硫酸铵溶液中才能析出。
The precipitation is egg albumin. We can take little precipitation (about matchhead size) in 1ml of distilled water, observe whether it is dissolved, identify by biuret reaction.
对363例接受采访，34 %的报道，盗汗，其中一半饱和报道，他们的床上用品。
Of the 363 patients interviewed, 34 percent reported night sweats, half of whom reported saturating their bed clothes.
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