ประโยคภาษาจีน : 中文句子 |
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yòng 用 yǐ chún 乙醇 chén diàn 沉淀 duō táng 多糖 shí 时 nóng suō yè 浓缩液 yǔ 与 yǐ chún 乙醇 tǐ jī 体积 bǐ 比 wèi 为 shí 时 chén diàn 沉淀 duō táng 多糖 xiào guǒ 效果 zuì hǎo 最好 xuǎn yòng 选用 huó xìng tàn 活性炭 zuò wéi 作为 tuō sè jì 脱色剂 |
When using ethanol to precipitate pumpkin polysaccharide, the ratio of concentrated solution to ethanol was 1:4. Activated charcoal was used as decolourant; |