Extraction of characteristic quantity will affect straightway the distinguishability ratio of Wood disfigurement detection system.
特征量的提取直接影响木材缺陷检测系统的识别率。
The GC-MS composition analysis indicated that there were significant differences between surface extraction and inside extraction in quality and quantity.
MS分析显示：烟叶表面二氯甲烷萃取物和叶内萃取物在化学成分方面存在质和量的差异。
The results showed that the super- critical CO2 fluid extraction technology is more simple and convenience, and the method is better than solvent extraction in quality and quantity.
结果表明：在此工艺参数和条件下，超临界CO2萃取所得的胚芽油产品品质及产量远远优于溶剂浸出法。
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