The methods of extracting xanthophylls from silkworm excrement were studied and the properties of xanthophylls were described by UV.

 
  • 研究了從蠶沙中提取葉黃素的方法,并通過(guò)紫外線(xiàn)對葉黃素進(jìn)行了表征研究。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan