1.
nea photocathode
负电子亲合力光电阴极
2.
negative electron affinity image intensifier
负电子亲和势像增强器
3.
negative electron affinity photocathode
负电子亲和势光阴极
4.
pair attenuation coefficient
正负电子对衰减系数
5.
negative affinity electron emitter
负电子亲合力电子发射极
6.
negative electron affinity photoemitter
负电子亲合力光电发射体
7.
Property Evaluation of NEA Photocathodes
负电子亲和势光电阴极评估技术研究
8.
Linear Dispersion Relation for Electron-positron Plasma in Relativistic Regime
相对论正负电子对等离子体色散关系
9.
Revision of quantum efficiency formula for negative electron affinity photocathodes
负电子亲和势光电阴极量子效率公式的修正
10.
The atom is made up of a nucleus with negative electrons revolving around it.
原子是由原子核和绕核旋转的若干负电子组成。
11.
An electron with a negative charge, as contrasted with a positron.
电子带有负电荷，与正电荷相反的电子
12.
A negatively charged electrode, as of an electrolytic cell, a storage battery, or an electron tube.
阴极负电极，如电池、蓄电池或电子管的负极
13.
Electrons are negatively charged with electricity; protons are positively charged
电子带有负电荷，质子带有正电荷。
14.
Electrons are negatively charged with electricity,protons are positively charged.
电子是带负电荷的,质子是带正电荷的。
15.
The material that gains electrons becomes negatively charged, while the material that gives up electrons becomes positively charged.
获得电子的材料带负电,失去电子的材料带正电。
16.
Therefore the whole atom is neither positive nor negative.
因此，整个原子，既不带正电，也不带负电。
17.
Each electron bears a single negative charge.
每一个电子都带有一个负电荷。
18.
Neutron has no charge, either positive or negative.
中子既不带正电荷，也不带负电荷。