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- A positive electric charge. 正电正电荷,阳电荷
- A vacant position in a crystal left by the absence of an electron,especially a position in a semiconductor that acts as a carrier of positive electric charge. 空穴在晶体中由于没有电子而造成的空位,尤指在半导体中可当作正极使用的空位。
- A vacant position in a crystal left by the absence of an electron, especially a position in a semiconductor that acts as a carrier of positive electric charge. 空穴在晶体中由于没有电子而造成的空位,尤指在半导体中可当作正极使用的空位
- elliptical ring with positive electric charge 带电椭圆形环
- Between these two tiny particles, the proton and the electron, there is a powerful attraction that it always present between negative and positive electric charges. 在质子和电子这两个微粒之间有一个很大的吸引力,而这个吸引力总是存在于正、负电荷之间。
- Between these two tiny particles, the proton and the electron, there is a powerful attraction that is always present between negative and positive electric charges. 在质子和电子这两个微粒之间有一个很大的吸引力,而这个吸引力总是存在于正、负电荷之间。
- positive electrical chargen. 正电荷
- Magnetism produced by electric charge in motion. 电磁性由运动电荷引起的磁性
- An electrical charge produced by friction between two objects. 摩擦电由两个物体摩擦产生的电荷
- Besides the electrons, an atom also contains positive electrical particles. 除了电子以外,原子还含有带正电的粒子。
- There are two kinds of electric charge, positive and negative. 电荷有两种,正的和负的。
- What is needed for electrical charges to flow? 电荷流动需要什么条件?
- Electrostatics refers to stationary arrangements of electrical charge. 静电指的是电荷的静止分布。
- Cause formation of a net electrical charge in or on (a conductor,for example). 使电流形成(例如在导线上)。
- Scientists have proved that a complete atom has no electrical charge. 科学家证明一个完整的原子不带电荷。
- No other kind of electric charge has been found. 到现在为止,还没发现其他种类的电荷。
- To produce electric charge on or in(a conductor). 使带电使(一个导体)带电或起电
- Freud thought of cathexis as a psychic analog of an electrical charge. Freud认为性欲发泄是同电荷释放类似的精神现象。
- The electrical charge of protons,neutrons and electrons are different. 质子、中子和电子所带的电荷并不相同。
- There are two kinds of electric charges: positive and negative. 电荷有两种:正电荷和负电荷。