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A pneumatic controller for a compressed-air gun has a shell, a hollow cylinder inside which defines a first space extending along the axis thereof, having a first through hole and a second through hole extend through a wall of the shell ... JF Tseng 被引量: 90发表: 2007年 Pneumatic cont...
目的 观察杜仲补肾健骨颗粒对激素性股骨头缺血性坏死的疗效及血清Ⅰ型胶原氨基端肽原(procollagen typeⅠN-terminal propeptide,PⅠNP),骨γ-羧基谷氨酸蛋白(bone gamma-carboxyglutamic-acid-containing proteins,BGP),血管内皮生长因子(vascular endothelial growth factor,VEGF),转化生长因子β1(transforming growth facto...