The calculation result shows that for the scattering on lightnucleus, there is no second diffractive maximum, but on heavy nucleus, there is a second diffractive peak.
计算结果表明,J粒子在轻核上的散射,没有出现第二个衍射峰;而J粒子在重核上的散射出现第二个衍射峰。
2
The Snake Nebula, silhouetted against ancient stars massed near the nucleus of our galaxy, which is about 25, 000 light years away.
蛇形星云,它的轮廓与聚集在我们星系中心的古老恒星逆向,约25,000光年远。
3
Light from a laser comes from the electrons which surround the nucleus of every normal atom.