Preventing Sand Production Using Choke Valves

The mud pump is an essential component in the exploration operations of oil and gas wells, playing a vital function in the flow of exploration fluid, also known as exploration mud. When the mud pump runs, it generates exploration fluid from the mud pits, forces it down the drill string, out through the drill bit, and up the annulus between the dril

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武汉协和董念国团队全国首创采用腋、颈微创介入方式建立体外心室辅助循环支持

近期,华中科技大学同济医学院附属协和医院心外科董念国教授团队运用与苏州心擎医疗技术有限公司联合研发的体外短中期心室辅助装置,成功通过颈静脉及腋动脉微创介入方式连接体外磁悬浮人工心脏的方式完成循环支持,极大的减少患者创伤,术后恢复快,�

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