The present invention relates to a method containing puerarin phospholipid complex oral preparation method thereof.
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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 present invention relates to a shape memory fiber and its preparation method, the shape memory fibers are made from a shape memory polyurethane, said polyurethane formed by the reversible phase component (A) to form a fixed phase component (B) prepared by . The shape memory fiber preparation met.....
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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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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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