The utility model relates to a lens used for improving the diffraction efficiency of a blue-ray disc and a China high definition disc, which comprises a first lens surface (1) and a second lens surface (2), wherein the first lens surface is a free curved surface, and the second lens surface is an as.....
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For measuring strain in one direction within the plane of the fabric strain sensor (10), said sensor (10) comprising: a substrate coated on the elastic fabric (30) on the conductive particles or fibers and a mixture of the elastomer matrix (20).
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The invention relates to a feature weighing computation method based on a structural constraint in a Chinese information retrieval. The method comprises the following steps: a. carrying out structuring processing to inquiry and obtaining a structuring inquiry result, wherein the structuring processi.....
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A system for analyzing the surface appearance of fabric is composed of a feeding mechanism for carrying a fabric to pass through a space, an image acquiring device to take multiple profiles of said fabric, and a computer, which can process the acquired images to obtain 3D data about the fabric surfa.....
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本发明公开了一种具有自动供水和实时排汗率测量系统的人体模型，该系统包括：一人体模型；一容器，其内容置有水，所述容器通过一导管与该人体模型的内部导通，一质量计，设置在该容器的下方，可实时测量该容器中水的重量；其中，所述容器设置在高于所述人体模型的一位置，从而所述容器中的水可以在虹吸力的作用下，自动供应给该人体模型。另外，通过实时读取该质量计的读数，可据以计算出该人体模型的排汗率。本发明通过降低维护该人体模型的频率而极大地简化了操作。其实时测量水分散失的功能可方便容易地检测该人体模型的动态响应，同时提高了测量精度。
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