一种掌纹识别方法，包括：分析来自手掌图像的区域，以利用该区域获得皮肤表面的纹理数据。将纹理数据与数据库中的参考信息进行比较，以确定对个体的识别。一种用于捕获手掌图像的设备，包括：外壳，其中具有窗口；以及设置在所述外壳中的图像传感器和光源，用于通过窗口来捕获图像。在表面上设置凸起。设置所述凸起，以使其位于适当放置在窗口上的手的已知相邻位置，以便捕获包括手的手掌区域的图像。
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A method for detecting sudden-up and sudden-down of voltage includes generating reference sine signal with the same phase and fixed amplitude as voltage signal of power supply, rectifying power supply voltage signal and reference sine signal then comparing rectified power supply voltage signal with .....
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Visual thermal functional textile clothing designs are created using a programmed computer and advanced computing techniques. The computer is supplied with information from a number of databases relating to human body properties and relating to textile material characteristics. The method is used to.....
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One kinds of shape memory alloys are driven by the non-wheel motor mechanism, comprising: a main body frame, which forms a receiving space; turning portion, provided on one side of the body frame can be rotated relative to the main frame and including a ratchet (3 ); and a mobile portion, provided o.....
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本发明涉及一种养心安神药物及其制备方法，该药物的活性成分是由酸枣仁、合欢花、桑椹、五味子以及柏子仁的有效提取物组成。本发明所述药物的制备方法是将用于提取的原料粉碎成粗粉，分次加水煎煮，合并煎煮液，冷却，滤过，通过处理好的吸附树脂柱，用纯水洗脱至流出液颜色很浅，继以醇溶液洗脱至流出液颜色很浅，收集醇洗脱液，减压回收溶剂并浓缩至稠膏状，得到本发明药物的活性成分。最后将制得的活性成分制成各种口服制剂。
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