The utility model relates to an electronic device for detecting atherosclerosis. The device includes an ECG sensor for collecting ECG signals, an ECG amplifier connected with the ECG sensor for amplifying the ECG signals collected by the ECG amplifier, a voltage comparator connected with the ECG amp.....
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A method for testing the mechanical properties of rock true three-dimensional test system, comprising: a test chamber, which is filled with liquid in a closed chamber; a loading device provided in the test chamber, the loading device for the folder Soil samples of applied load support; dynamometer, .....
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The invention discloses a 2D dynamic calibrating table, for calibrating a GPS system arranged on a construction, comprising: a bearing frame, a moving platform, a double-layer two-way movement mechanism arranged between the bearing frame and moving platform to drive the moving platform to make 2D mo.....
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The present invention relates to a preparation of shape memory polyurethane shape memory fiber and its preparation method, the shape memory polyurethane is a hydroxyl group-containing organic polymer material, a chain extender, a diisocyanate, blocking agent, the molar ratio of 1: 1-3:2.4-4.8:0.8-1......
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本发明涉及一种磨削辅助电化学放电加工工具及加工方法，该方法尤其适用于金属基复合材料的加工。所述磨削辅助电化学放电加工工具包括ECDM电极以及设于所述ECDM电极上的磨料层，所述磨料层主要用于移除加工过程中火花坑周围形成的重铸材料。实施本发明在对难以加工的材料进行加工时能够增加材料的去除率，获得更好的表面质量，并且大大地延长了加工工具的寿命。
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