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- The samples were studied by X-ray diffraction, Auger electron spectroscopy (AES), X-ray photo electron spectroscopy (ESCA) and catalystic reaction conversion rates at different stages of the pretreatment. 着重分析了预处理对非晶合金催化活性的影响;并以x-射线衍射(XRD);比表面积测定(B.;E
- photo electron spectroscopy (PES) 光电子能谱法
- The application areas for photo electronic technology are becoming wider and wider. 光电子技术的应用领域越来越广泛。
- UPS ultraviolet photo electron spectroscopy 紫外光电子能谱
- photo electron stabilized photicon 光电子稳定式摄像管
- 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。
- 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。
- The transmitter was pulsed by an electron tube. 电子管使发射器产生脉冲波。
- 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。
- An electron tube having a cathode and an anode. 电子二极管有一个阳极和一个阴极的电子管
- The baby wouldn't stay put long enough for the photo to be taken. 这孩子总动换，拍不了照片。
