nuclear repulsion

简明释义

核排斥

英英释义

例句

1.In the core of a star, 核排斥才能发生核聚变。

2.The balance between nuclear repulsion and gravitational forces is crucial in stellar formation.

在恒星形成过程中，核排斥与引力之间的平衡至关重要。

3.The phenomenon of nuclear repulsion occurs when two positively charged protons are brought close together.

当两个带正电的质子被拉近时，核排斥现象就会发生。

4.Scientists study nuclear repulsion to understand the stability of atomic nuclei.

科学家研究核排斥以理解原子核的稳定性。

5.When discussing nuclear reactions, nuclear repulsion plays a key role in determining the energy output.

在讨论核反应时，核排斥在决定能量输出方面起着关键作用。

作文

In the realm of physics, particularly in nuclear physics, the concept of nuclear repulsion is crucial to understanding the forces that govern atomic interactions. 核排斥 refers to the phenomenon where protons within an atomic nucleus repel each other due to their positive electric charge. This repulsion is a fundamental aspect of nuclear stability and plays a significant role in the behavior of atoms under various conditions.To delve deeper into this concept, we first need to consider the structure of an atomic nucleus. An atomic nucleus is primarily composed of protons and neutrons. Protons carry a positive charge, while neutrons are neutral. The strong nuclear force, which is a fundamental force of nature, acts to hold the protons and neutrons together within the nucleus. However, because protons repel each other due to their like charges, nuclear repulsion must be overcome by this strong force for the nucleus to remain stable. The balance between nuclear repulsion and the strong nuclear force is essential for the existence of stable isotopes. If the number of protons in a nucleus becomes too large, the nuclear repulsion can exceed the strong nuclear force, leading to instability. This is why elements with a high atomic number tend to be radioactive; they have too many protons, making it difficult for them to maintain a stable configuration.Moreover, the concept of nuclear repulsion is not only important in explaining the stability of atomic nuclei but also has implications in nuclear reactions. For instance, during nuclear fusion, which powers stars, two light nuclei come close enough for the strong nuclear force to overcome their nuclear repulsion. This process releases a tremendous amount of energy, which is why fusion is considered a potential source of clean energy for the future.On the other hand, in nuclear fission, heavy nuclei split into smaller nuclei. The nuclear repulsion plays a role here as well; when a heavy nucleus absorbs a neutron, it becomes unstable and the nuclear repulsion among the protons contributes to the nucleus breaking apart. This reaction also releases energy, which can be harnessed for electricity generation.In conclusion, the concept of nuclear repulsion is vital in understanding the forces at play within atomic nuclei. It highlights the delicate balance between attraction and repulsion that enables the existence of matter as we know it. The implications of this phenomenon extend beyond theoretical physics into practical applications, including energy production and our understanding of the universe. As research in nuclear physics continues to evolve, the significance of nuclear repulsion will undoubtedly remain a key topic of interest for scientists and researchers alike.

在物理学的领域，特别是在核物理学中，核排斥的概念对于理解支配原子相互作用的力量至关重要。核排斥是指由于质子的正电荷，原子核内的质子彼此排斥的现象。这种排斥是核稳定性的基本方面，并在不同条件下原子的行为中发挥着重要作用。深入探讨这个概念，我们首先需要考虑原子核的结构。原子核主要由质子和中子组成。质子带有正电荷，而中子是中性的。强核力作为自然的基本力，作用于将质子和中子结合在原子核内。然而，由于质子之间的相同电荷导致的核排斥，必须被这种强核力克服，原子核才能保持稳定。核排斥与强核力之间的平衡对稳定同位素的存在至关重要。如果一个核内的质子数变得过多，核排斥可能会超过强核力，导致不稳定。这就是为什么高原子序数的元素往往是放射性的；它们的质子数量过多，使得维持稳定构型变得困难。此外，核排斥的概念不仅在解释原子核的稳定性方面很重要，而且在核反应中也有其影响。例如，在核聚变过程中，驱动恒星的能量源，两轻核接近到足够近的距离以使强核力克服它们的核排斥。这个过程释放出巨大的能量，这也是为什么聚变被认为是未来清洁能源的潜在来源。另一方面，在核裂变中，重核分裂成较小的核。核排斥在这里也起着作用；当重核吸收一个中子时，它变得不稳定，而质子之间的核排斥促使核分裂。这个反应也释放出能量，可以用于发电。总之，核排斥的概念对于理解原子核内的力量至关重要。它突显了吸引力与排斥力之间微妙的平衡，使我们所知的物质得以存在。这一现象的影响超越了理论物理，延伸到实际应用，包括能源生产和我们对宇宙的理解。随着核物理研究的不断发展，核排斥的重要性无疑将继续成为科学家和研究人员关注的关键话题。