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目的探讨凝血因子Ⅷ、Ⅸ活性在库存全血存放过程中的变化，为指导临床输血提供理论依据。方法采用SYS-MEXCA-1500型全自动血凝仪对20......
设计了一种针刺激活式隔板点火器激活的热电池，它应用了针刺火帽技术与隔板点火器技术，主要解决依靠武器系统提供弱机械能量激发热电......
Assessing the Impact of Different Land Use Activities on the Vegetation Cover and Sustainable Liveli
Land use activities (LUA) have a significant impact on the level and situation of vegetation characteristics and in turn......
