原子核的

Some of the atomic nucleus is unstable and can spontaneously emit radiation, which has called the nature of the radioactive radiation.

有些原子核是不稳定的，能自发地放出射线，这种具有放射线的性质叫做放射性。

Two British scientists studied the makeup of the atomic nucleus and concluded that a great store of energy was locked in each nucleus .

两位英国科学家研究化妆的原子核，并得出结论认为，一个伟大存储的能量被反锁在每个细胞核。

Each atomic nucleus with a positively charged with negatively e electroscavenging and.

每一原子中带正电的原子核与其周围带负电的电子云中和。

All living beings and material have faint magnetic field extremely, the magnetic field to wind by electron atomic nucleus produce when rotating.

所有的生物及物质均带有极其微弱的磁场，这种磁场是由电子绕原子核旋转时产生。

Any of three processes of radioactive disintegration in which a beta particle is spontaneously emitted by an unstable atomic nucleus in order to dissipate excess energy.

某些不稳定原子核为耗散其过剩能量而自发发射一个β粒子的三种放射性衰变过程的统称。

Any of three processes of radioactive disintegration in which a beta particle is spontaneously emit ted by an unstable atomic nucleus in order to dissipate excess energy.

某些不稳定原子核为耗散其过剩能量而自发发射一个β粒子的三种放射性衰变过程的统称。

Heavier nucleus was believed to be formed of a number of protons and electrons packed closely together.

人们相信，较重的原子核是由若干个质子和电子紧密聚集在一起而形成的。

An electron is an extremely small corpuscle with negative charge which rounds about the nucleus of an atom.

电子是绕着原子核转动带有负电荷的极其微小的粒子。

An electron is an extremely small corpuscle with negative charge with which rounds about the nucleus of an atom.

电子是绕原子核运转且带有负电荷的极其微小的粒子。

The theoretical study of nuclear structure and the origin and evolution of stars elements of nuclear and cosmic ray problem.

原子核理论研究恒星的结构和演化﹐元素的起源和核合成﹐以及宇宙线问题。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。