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- pulsed photo multiplier 脉冲光电倍增器
- A kind of ripple-compensated circuit is used in the photo multiplier tube(PMT) DC high-voltage switch mode power supply and the output ripples are greatly reduced. 采用一种纹波补偿电路使光电倍增管(PMT)直流高压开关电源的输出纹波幅度大大降低,同时对低频电压漂移也有很好的补偿效果。
- Determination of the luminescence intensity space distribution from a plastic film scintillator is useful for finding optimal position to install a PMT(photo multiplier tube). 塑料薄膜闪烁体在辐射作用下发射荧光的空间分布对于设计和优化闪烁探测器结构,提高测量的信噪比具有重要意义。
- photo multiplier with high quantum efficiency 高效率光电倍增管
- Research of the photo multiplier tube in nuclear logging 核测井中光电倍增管的应用研究
- Keep the sun behind you when you take a photo. 拍照时要让太阳留在你的身后。
- He showed me a photo of a family group. 他给我看一张合家欢的照片。
- Many a time have we come across this same photo. 我们多次都见到过这同一张照片。
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
- He adjusted the shutter before taking a photo. 在照相前，他调整了快门。
- The woman on the photo is my paternal grandmother. 照片上的这个妇人是我祖母。
- He took a lot of photo last sunday, and so do I. 他上星期照了许多照片，我也一样。
- The photo made him quite attractive. 照片把他拍得相当英俊。
- That photo is a good likeness of David. 戴维那张相片照得很像。
- He hit upon a photo taken ten years ago. 他偶然发现一张十年前拍的照片。
- The photo shows her dressed in black. 在这张照片里，她穿著黑衣服。
- I got her in focus before I took the photo. 我在拍摄前先用镜头把她对清楚。
- The photo has faded beyond recognition. 相片已经模糊，不能辨认。
- Pul is a short form for pulmonary. 应该是肺部气体栓塞吧!
- Anomalous Pul mo nary Venous Drainage=? +肺静脉畸形引流=？
