The present invention is a kind of micro-porous spherical crosslinked copolymer ligand rhodium carbonylation of methanol synthesis catalyst. Wherein the copolymer of vinyl pyridine ligand, ethylene glycol diester formed crosslinked copolymer. Use of ligands N, O donor atoms with four rhodium carbony.....
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The present invention relates to a method of treating wastewater such as landfill leachate inorganic and organic compounds. The treatment method involves the use of a core and a hydrophobic amine-containing polymer shell microspheres composed of a bipolar. Preparing said microspheres and structural .....
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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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