Yuan-sheng Wang

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In this paper, the existing products' status about mechanical life-saving parachute device or unlock device is analiszed, and the key problems in specific design of multistate program control parachute is shown and illustrated. The prototype is development, which is formed mainly by PC104 as control core, 3-dimensional electrom compass as sensors and ball(More)
Directly dissolving gallstone by pouring MBTE in Gallbladder is a valid therapy. Gallstone auto-dissolving instrument replace manual perfusion by auto-perfusion, while the pressure of inner gallbladder and the temperature of MBTE solvent must keep in a rational range, thus MBTE's dissolving potential can be exerted. A system made up with NORCO-6715 IPC,(More)
With MoldFlow, the injection molding process of the fan back cover is simulated. The cover's structure is analyzed and its 3-D model is girded and improved. The filling process is studied with the gate's different forms and locations from the weld line, cavitation and so on, and the gate design is optimized. The warpage deformation and volume shrinkage in(More)
Hydrogen bondings in polyurethane urea elastomer, which reflect the microphase separation, have an important effect on the properties of the elastomer. The polyurethane urea elastomers, whose degree of microphase separation changed gradually, were prepared in the graded temperature field. Hydrogen bondings in them were investigated by FTIR technology. The(More)
A precision sliding guide is expatiated on. The experiment and calculation of the externally pressurized thrust gas-bearings used in air-guide are carried through, and its' technical difficulty are be solved through laser processing and cementing method. A detailed structure of friction driving device are presented and its' merits are analysed. The feasible(More)
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