Feature extraction method of face image, which boasts simplicity and high recognition rate, is proposed.
提出一种简单且识别率高的分块分色的人脸图像特征抽取方法。
参考来源 - 人脸图像分块分色的特征抽取方法Objective The study aimed to ascertain the optimum extraction method and its technical conditions for total flavonoids of chrysanthemum indicum.
目的为了探讨野菊花总黄酮的最佳提取方法及其工艺条件。
参考来源 - 野菊花总黄酮提取工艺的比较Three different extraction methods of total alkaloids have been investigated in our experiment. The acid extraction method has been selected as a final strategy.
本实验考察了三种不同的总生物碱提取方法,确定采用酸水提取法。
参考来源 - 酸枣仁镇静催眠有效成分的研究Methods: Traditional solvent extraction method and orthogonal experiments were used. Flavonoids in the parthenocissus seeds were confirmed by conventional qualitative analysis.
方法:采用传统溶剂浸提法进行常规的化学定性分析确定爬山虎籽中含有黄酮类化合物,并采用五因素四水平的正交试验优化提取工艺。
参考来源 - 爬山虎籽总黄酮提取及鉴别—《中国医药导报》—2010年第18期—龙源期刊网SSPS extraction technique(1) hot-water extraction method: The optimum parameters for hot-water extraction method were ratio of liquid to raw material 30, extraction time 5.5 h, extraction temperature 90℃, extraction time 1.
其主要结论如下:1.水溶性大豆多糖提取工艺(1)热水浸提法:热水浸提法提取水溶性大豆多糖的最佳工艺参数为液料比30,提取时间5.5 h,提取温度为90℃,提取1次。
参考来源 - 豆渣中水溶性大豆多糖的提取及其在面包中的应用It will be beneficial to the recycling of DMA. A complex extraction method was used for the treatment of DMA wastewater.
针对这一现象,本文分别研究了络合萃取法和离子交换法对DMA废水的处理过程,为实际工业生产中回收利用DMA废水奠定了理论及实验基础。
参考来源 - 络合萃取法及离子交换法处理二甲胺废水的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
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