electron

电子英释nna very small piece of matter with a negative electrical charge that moves around the nucleus(= central part ) of an atom

1 electron microscope,电子显微镜

2 electron microscopy,电子显微镜学，电子显微镜

3 scanning electron microscope,扫描电子显微镜

4 electron beam,电子束

5 scanning electron microscopy,扫描电子显微镜检查法

6 transmission electron microscopy,透射电子显微镜法

7 transmission electron microscope,透射式电子显微镜

8 electron probe,电子探针

9 electron transfer,电子转移；电子传递

10 electron density,电子密度；电子浓度

11 electron gun,电子枪

12 electron spin,电子自旋

13 electron diffraction,电子衍射

14 electron beam welding,电子束焊接

15 electron transport,电子传送，电子转移

16 free electron,自由电子

17 electron technology,电子技术

18 electron spectroscopy,电子能谱学；电子频谱

19 electron spin resonance,[物]电子自旋共振；顺磁共振

20 auger electron,俄歇电子

1 Most things are balanced - with equal numbers of electrons and protons..大部分物体都是电荷平衡的——含等量的电子和质子。