stable nucleus

简明释义

稳定原子核

英英释义

例句

1.Understanding the formation of a stable nucleus helps in predicting the behavior of elements.

了解稳定的原子核的形成有助于预测元素的行为。

2.Scientists are studying the properties of a stable nucleus to develop better nuclear reactors.

科学家们正在研究一种稳定的原子核的性质，以开发更好的核反应堆。

3.The stable nucleus of helium makes it a common choice for balloons.

氦的稳定的原子核使其成为气球的常见选择。

4.In nuclear physics, a stable nucleus is crucial for understanding radioactive decay.

在核物理学中，稳定的原子核对于理解放射性衰变至关重要。

5.The research team discovered a stable nucleus in the new element they synthesized.

研究团队在他们合成的新元素中发现了一个稳定的原子核。

作文

In the realm of science, particularly in physics and chemistry, the term stable nucleus refers to a nucleus that does not undergo radioactive decay. This stability is crucial for the formation of matter as we know it. A stable nucleus consists of protons and neutrons bound together by the strong nuclear force, which overcomes the electromagnetic repulsion between positively charged protons. Understanding the characteristics of a stable nucleus is essential for various applications, including nuclear energy production, medical imaging, and even in understanding the universe's fundamental structure.The concept of a stable nucleus can be illustrated through the example of carbon-12, an isotope of carbon that contains six protons and six neutrons. This particular arrangement allows carbon-12 to remain stable, making it a vital component of organic molecules and, consequently, life itself. In contrast, isotopes such as carbon-14, which has two additional neutrons, are unstable and undergo radioactive decay over time. This decay process not only helps scientists date ancient artifacts but also provides insights into biological processes and environmental changes.The significance of a stable nucleus extends beyond mere scientific curiosity; it plays a pivotal role in technological advancements. For instance, in nuclear power plants, the stability of certain nuclei allows for controlled nuclear fission, which generates energy for millions of homes. The reliance on a stable nucleus ensures that the reactions can be maintained safely, minimizing the risk of catastrophic failures.Moreover, the study of stable nuclei contributes to our understanding of stellar evolution. Stars are primarily composed of hydrogen, but as they age, they fuse lighter elements into heavier ones, forming stable nuclei like helium and eventually heavier elements up to iron. The lifecycle of stars, from their formation to their explosive deaths, is intricately linked to the stability of these nuclei, influencing the chemical makeup of the universe.In conclusion, the term stable nucleus encapsulates a fundamental aspect of atomic structure that is essential for both theoretical and practical applications. From the stability of life-sustaining molecules to the harnessing of nuclear energy, the implications of a stable nucleus are vast and profound. As we continue to explore the mysteries of the universe, the importance of understanding stable nuclei will undoubtedly remain at the forefront of scientific inquiry, shaping our knowledge of everything from the smallest particles to the grandest cosmic phenomena.

在科学领域，特别是在物理学和化学中，术语稳定核指的是不发生放射性衰变的核。这种稳定性对于形成我们所知的物质至关重要。稳定核由质子和中子组成，它们通过强核力结合在一起，这种力量克服了正电荷质子之间的电磁排斥。理解稳定核的特性对于各种应用至关重要，包括核能生产、医学成像，甚至理解宇宙的基本结构。稳定核的概念可以通过碳-12的例子来说明，碳的一种同位素，它包含六个质子和六个中子。这种特定的排列使得碳-12保持稳定，使其成为有机分子的关键组成部分，从而成为生命本身的重要组成部分。相比之下，像碳-14这样的同位素，由于多出两个中子而不稳定，并随着时间的推移发生放射性衰变。这一衰变过程不仅帮助科学家对古代文物进行年代测定，还提供了对生物过程和环境变化的深入见解。稳定核的重要性超越了单纯的科学好奇心；它在技术进步中发挥着关键作用。例如，在核电站中，某些核的稳定性允许控制核裂变，从而为数百万家庭产生能量。对稳定核的依赖确保了反应可以安全维持，最小化灾难性故障的风险。此外，稳定核的研究有助于我们理解恒星的演化。恒星主要由氢组成，但随着它们的老化，它们将较轻的元素融合成较重的元素，形成如氦等稳定核，最终形成铁等更重的元素。恒星的生命周期，从形成到爆炸性死亡，与这些核的稳定性密切相关，影响着宇宙的化学组成。总之，术语稳定核概括了原子结构的一个基本方面，对于理论和实际应用至关重要。从生命维持分子的稳定性到核能的利用，稳定核的影响是广泛而深远的。随着我们继续探索宇宙的奥秘，理解稳定核的重要性无疑将始终处于科学研究的前沿，塑造我们对从最小粒子到最大宇宙现象的知识。