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[求助]
求翻譯(摘要 醫(yī)藥類)。!急要 字不多 謝謝~。!
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| 目的:將13個(gè)不同來源的桑葉產(chǎn)品分別用水、氯仿、正丁醇進(jìn)行提取,利用各提取液在不同波長(zhǎng)下的紫外光譜進(jìn)行聚類分析,以判定不同來源的桑葉產(chǎn)品的相似性。方法:以桑葉為材料,采用有機(jī)溶劑萃取法和紫外分光光度法對(duì)桑葉有效成分進(jìn)行提取及吸光度測(cè)定,并用SPSS軟件的系統(tǒng)聚類分析法分析其相似性。結(jié)果:不同來源的桑葉光譜特征相似,但經(jīng)過系統(tǒng)聚類分析后展示出了不同的相似性。結(jié)論:不同來源桑葉的不同提取液有效成分相似性不同 |

鐵桿木蟲 (正式寫手)
有為青年


鐵桿木蟲 (正式寫手)
有為青年
|
Purpose: mulberry leaves from 13 different sources are extracted with water, chloroform and n-butanol, respectively. Crude extracts were subjected to cluster analysis at different wavelengths. Method: Active ingredient from mulberry leaves were extracted with organic solvents and absorbance was determined by Ultraviolet spectrophotometry. Similarity was evaluated based on system cluster analysis embodied in SPSS. Result: Spectrophotometry of mulberry leaves from various sources are the same, however, system cluster analysis display different similarity. Conclusion: Active ingredients of crude extracts from different sources are different. |


鐵桿木蟲 (正式寫手)
有為青年

鐵桿木蟲 (正式寫手)
有為青年

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