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压电高强度聚焦换能器...
发布时间 2025.04.09
医疗超声刀如何实现精准消融？压电高强度聚焦换能器的核心在于将电能转化为高强度声波。当压电陶瓷材料（如PZT-4、PZT-5H）被施加交变电压时，其晶格结构发生周期性形变，产生机械振动并...
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如何避免X射线超标罚...
发布时间 2025.03.31
放射科主任最怕什么？不是设备故障，是环保局突击检测！去年某私立医院被查出候诊区辐射量超标3倍，罚单直接开出了18.6万。今天就掰开揉碎说说这个能保命的X射线屏蔽室，它就像给放射科穿了件防弹衣。这玩意真...
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压电高强度聚焦换能器...

如何避免X射线超标罚...