nuclear reaction

简明释义

核反应

英英释义

例句

1.During a nuclear reaction 核反应, energy is released when nuclei collide at high speeds.

在核反应 核反应 中，当原子核以高速碰撞时，会释放出能量。

2.A nuclear reaction 核反应 can be initiated by bombarding a target with neutrons.

可以通过用中子轰击靶材来启动核反应 核反应。

3.In a power plant, a controlled nuclear reaction 核反应 generates electricity for thousands of homes.

在发电厂，控制的核反应 核反应 为数千个家庭提供电力。

4.The nuclear reaction 核反应 in the sun produces heat and light that sustain life on Earth.

太阳中的核反应 核反应 产生的热量和光线维持着地球上的生命。

5.Scientists study the effects of a nuclear reaction 核反应 to better understand the universe.

科学家研究核反应 核反应 的影响，以更好地理解宇宙。

作文

Nuclear reactions are fundamental processes that occur in the nucleus of an atom, where the structure of the nucleus is altered. These reactions can release a significant amount of energy and are responsible for various phenomena in the universe, from the heat of the sun to the destructive power of atomic bombs. In essence, a nuclear reaction (核反应) involves the interaction between atomic nuclei, which can lead to the formation of different elements or isotopes. There are several types of nuclear reactions (核反应), including fusion and fission. Fusion occurs when two light nuclei combine to form a heavier nucleus, releasing energy in the process. This is the same reaction that powers the sun, where hydrogen nuclei fuse to create helium. The immense energy produced by fusion has made it a subject of research for potential use in clean energy production on Earth.On the other hand, fission is the process of splitting a heavy nucleus into lighter nuclei, accompanied by the release of energy. This reaction is the principle behind nuclear power plants, where controlled fission reactions generate electricity. However, the byproducts of fission, such as radioactive waste, pose significant challenges for safe disposal and environmental protection.The study of nuclear reactions (核反应) has led to many advancements in science and technology. For example, understanding these reactions has facilitated the development of medical applications, such as radiation therapy for cancer treatment. By targeting cancer cells with high-energy particles produced from nuclear reactions (核反应), doctors can effectively shrink tumors and improve patient outcomes.Moreover, nuclear reactions (核反应) have implications in fields beyond medicine. In astrophysics, they help explain the processes that govern stellar evolution and the synthesis of elements in stars. As stars age, they undergo various nuclear reactions (核反应) that produce heavier elements, which are eventually released into space when stars explode as supernovae. This cosmic recycling contributes to the formation of new stars, planets, and ultimately, life.Despite their potential benefits, nuclear reactions (核反应) also raise ethical and safety concerns. The catastrophic events at nuclear power plants, such as Chernobyl and Fukushima, highlight the risks associated with uncontrolled nuclear reactions (核反应). These incidents have sparked debates about the future of nuclear energy and the need for stringent safety regulations.In conclusion, nuclear reactions (核反应) are complex processes that play a crucial role in our understanding of the universe. They are responsible for the energy that powers stars and the technology that drives modern medicine and energy production. However, the dual nature of nuclear reactions (核反应) as both a source of energy and a potential hazard necessitates ongoing research and careful consideration of their implications for society. As we continue to explore the mysteries of the atomic nucleus, we must balance the benefits of nuclear reactions (核反应) with the responsibility of ensuring their safe and ethical use.

核反应是发生在原子核中的基本过程，其中核的结构被改变。这些反应可以释放出大量的能量，并且负责宇宙中的各种现象，从太阳的热量到原子弹的破坏力。实质上，核反应（nuclear reaction）涉及原子核之间的相互作用，这可能导致不同元素或同位素的形成。有几种类型的核反应（nuclear reaction），包括聚变和裂变。聚变发生在两个轻核结合形成一个较重的核，并在此过程中释放能量。这与太阳的反应相同，氢核融合产生氦。聚变产生的巨大能量使其成为研究潜在清洁能源生产的主题。另一方面，裂变是将一个重核分裂成较轻的核，并伴随释放能量。这一反应是核电站的原理，通过控制裂变反应来发电。然而，裂变的副产品，如放射性废物，给安全处置和环境保护带来了重大挑战。对核反应（nuclear reaction）的研究促进了科学和技术的许多进步。例如，理解这些反应促进了医学应用的发展，如癌症治疗中的放射治疗。通过利用由核反应（nuclear reaction）产生的高能粒子，医生可以有效缩小肿瘤并改善患者的预后。此外，核反应（nuclear reaction）在超出医学的领域也有影响。在天体物理学中，它们帮助解释支配恒星演化和恒星中元素合成的过程。当恒星老化时，它们经历各种核反应（nuclear reaction），产生更重的元素，这些元素最终在恒星以超新星爆炸的方式释放到太空。这种宇宙回收有助于新恒星、行星的形成，最终形成生命。尽管有潜在的好处，核反应（nuclear reaction）也引发了伦理和安全问题。核电站的灾难性事件，如切尔诺贝利和福岛，突显了失控的核反应（nuclear reaction）相关的风险。这些事件引发了关于核能未来和严格安全法规必要性的辩论。总之，核反应（nuclear reaction）是复杂的过程，在我们理解宇宙中发挥着关键作用。它们负责为恒星提供能量，以及驱动现代医学和能源生产的技术。然而，核反应（nuclear reaction）作为能量来源和潜在危害的双重性质，要求我们持续研究并仔细考虑其对社会的影响。随着我们继续探索原子核的奥秘，我们必须平衡核反应（nuclear reaction）的好处与确保其安全和伦理使用的责任。