The invention provides a fluid buffer with adjustable damping coefficient, it includes: cylinder tank which has a placing space, the placing space is filled with fluid; piston which is equipped with piston head moving in the placing space and the piston bar extending from the piston head to two ends.....
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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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The present invention relates to a method containing puerarin phospholipid complex oral preparation method thereof.
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The invention discloses a gas burner for controlling mixing, comprising a burner body. The rear end surface of the burner body is provided with a mixed gas nozzle and a secondary air nozzle, and a gas channel and a primary air channel which are both communicated with the mixed gas nozzle are arrange.....
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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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