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关注：1
2013-05-23 12:21
求翻译：The retentate portion was deproteinised by a freeze-thaw process (FD-1, Henan Yuhua Instrument Co., China), which was repeated eight times, followed by filtration. Finally, the filtrate was lyophilised to yield the crude polysaccharides (PAP).是什么意思？ 待解决
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- 离问题结束还有
The retentate portion was deproteinised by a freeze-thaw process (FD-1, Henan Yuhua Instrument Co., China), which was repeated eight times, followed by filtration. Finally, the filtrate was lyophilised to yield the crude polysaccharides (PAP).
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