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To discuss and evaluate the method and effect of using calcaneal anatomic plate in treatment of intra-articular fractures of the calcaneus with assistant of arthroscope, 86 intra-articular fractures of the calcaneus in 78 patients were reduced by open reduction, and rigid fixation was made with calcaneal anatomic plate under assistant of arthroscope. The(More)
Aiming at shortcomings of existed design structure matrix based task programming methods, a new stochastic task programming model is built in which task execution time and cost are described as stochastic variable subjected to some type of probability distribution. In view of built task programming model, a hybrid simulation optimization algorithm is(More)
Cornea is the important apparatus of organism, which has complex cell structure. Heat and mass transfer and thermal parameters during vacuum freeze-drying of keeping corneal activity are studied. The freeze-drying cornea experiments were operated in the homemade vacuum freeze dryer. Pressure of the freeze-drying box was about 50 Pa and temperature was about(More)
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