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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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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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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The invention relates to a method for preparing a mugwort leaf oil microcapsule antibacterial crease-resistant fabric. The method comprises the following steps of: 1) emulsifying mugwort leaf oil in an emulsifying agent made of wall material; 2) performing complex coagulation reaction on the emulsif.....
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It introduces methods of screening, identifying and isolating HMG-CoAR inhibitors. In particular, said method is useful for screening natural raw products. It also provides potent HMG-CoAR inhibitors for treatment and prevention of diseases and conditions associated with elevated cholesterol and/or .....
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