国产一级特黄aa大片在线观看

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手提式X光機的工作原理

點擊次數:   更新時間:17/06/15 15:11:06  
  來源:www.geologyx.com關閉分    享:
  主要是影像增強器是運用(MCP)微通道板具有電子倍增作用,實現將電子圖像信號成倍放大的作用.

  在手提式X光機產品上的作用:以低的X射線電子流透射過患者受傷部位,成像電子打在影像增強器接收靶上,通過MCP微通道板增強信號,將微弱的信號成數十倍的放大成強信號,在通過光柵將X光轉化為可見光,形成人眼可分辯的有價值的足夠清晰的圖像.由于球管發出的X射線強度控制在低的范圍內,所以對人體幾乎沒傷害,同時該機整體重量也很低,僅3.6公斤,實現手提化.

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国产一级特黄aa大片在线观看
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