atomic fission

简明释义

原子核分裂

英英释义

例句

1.Scientists are studying ways to control atomic fission for safer energy production.

科学家们正在研究控制原子裂变的方法，以实现更安全的能源生产。

2.The process of atomic fission is crucial for the operation of nuclear reactors.

核反应堆的运行依赖于原子裂变的过程。

3.The bomb was designed to release energy through atomic fission.

这颗炸弹是通过原子裂变释放能量的。

4.The discovery of atomic fission opened the door to nuclear power.

对原子裂变的发现为核能的利用打开了大门。

5.Understanding atomic fission is essential for nuclear physics students.

理解原子裂变对核物理学生至关重要。

作文

The concept of atomic fission refers to the process in which the nucleus of an atom splits into two or more smaller nuclei, along with the release of a significant amount of energy. This phenomenon is not only a fundamental aspect of nuclear physics but also plays a crucial role in various applications, including nuclear power generation and atomic weaponry. Understanding atomic fission is essential for both scientific advancement and the responsible management of nuclear technology.At its core, atomic fission occurs when a heavy nucleus, such as uranium-235 or plutonium-239, absorbs a neutron. The absorption of this neutron destabilizes the nucleus, causing it to split apart. This splitting releases additional neutrons, which can then initiate further fission reactions in a chain reaction. This principle is the foundation of nuclear reactors, where controlled fission reactions are harnessed to produce energy.The energy released during atomic fission is immense. In fact, just a small amount of nuclear fuel can produce a tremendous amount of energy compared to fossil fuels. For instance, one kilogram of uranium can yield approximately 24,000 megawatt-hours of energy, enough to power a city for several days. This efficiency makes nuclear power an attractive alternative to traditional energy sources, particularly in the context of global energy demands and climate change.However, the use of atomic fission also raises significant ethical and safety concerns. The potential for catastrophic accidents, such as those seen in Chernobyl and Fukushima, highlights the risks associated with nuclear energy. Moreover, the production of nuclear waste poses long-term environmental challenges, as radioactive materials can remain hazardous for thousands of years. Therefore, while atomic fission offers great promise, it must be approached with caution and responsibility.In addition to its applications in energy production, atomic fission has also been utilized in the development of nuclear weapons. The destructive power of these weapons stems from the rapid and uncontrolled release of energy resulting from fission reactions. The bombings of Hiroshima and Nagasaki during World War II serve as stark reminders of the devastating consequences of atomic fission when used for destructive purposes. This duality of nuclear technology—its potential for both beneficial and harmful outcomes—necessitates a careful consideration of how we manage and regulate such powerful forces.In conclusion, atomic fission is a complex and powerful process that has far-reaching implications for our world. It provides a viable source of energy that could help mitigate climate change, yet it also poses significant risks that must be managed. As we continue to explore the possibilities of nuclear technology, it is imperative that we prioritize safety, ethical considerations, and the long-term impacts of our choices. Only through responsible stewardship can we harness the power of atomic fission for the benefit of humanity while minimizing its dangers.

“原子裂变”这一概念指的是原子核分裂成两个或多个较小的原子核的过程，同时释放出大量能量。这一现象不仅是核物理学的基本方面，而且在核能发电和原子武器等各种应用中发挥着至关重要的作用。理解“原子裂变”对于科学进步和负责任地管理核技术至关重要。“原子裂变”的核心是，当重核（如铀-235或钚-239）吸收一个中子时，发生了裂变。这种中子的吸收使得核不稳定，导致其裂开。这一裂变释放出额外的中子，这些中子可以引发进一步的裂变反应，从而形成链式反应。这一原理是核反应堆的基础，在核反应堆中，受控的裂变反应被用来产生能量。在“原子裂变”过程中释放的能量是巨大的。事实上，仅仅一小部分核燃料就能产生与化石燃料相比极大的能量。例如，一公斤铀可以产生大约24000兆瓦时的能量，足以为一个城市供电数天。这种效率使得核能成为传统能源来源的有吸引力的替代方案，尤其是在全球能源需求和气候变化的背景下。然而，“原子裂变”的使用也引发了重大的伦理和安全问题。切尔诺贝利和福岛等事故的潜在灾难性后果突显了核能相关的风险。此外，核废料的产生带来了长期的环境挑战，因为放射性材料可能会在数千年内保持危险。因此，尽管“原子裂变”提供了巨大的前景，但必须谨慎和负责任地对待。除了在能源生产中的应用外，“原子裂变”还被用于发展核武器。这些武器的毁灭性力量源于裂变反应中能量的快速和不受控制的释放。在第二次世界大战期间，对广岛和长崎的轰炸清楚地提醒我们，当“原子裂变”用于破坏目的时，其后果是多么的毁灭性。这种核技术的双重性——其潜在的有益和有害结果——要求我们仔细考虑如何管理和规范如此强大的力量。总之，“原子裂变”是一个复杂而强大的过程，对我们的世界具有深远的影响。它提供了一种可行的能源来源，有助于缓解气候变化，但同时也带来了必须管理的重要风险。随着我们继续探索核技术的可能性，我们必须优先考虑安全、伦理考量和我们选择的长期影响。只有通过负责任的管理，我们才能利用“原子裂变”的力量造福人类，同时最大限度地减少其危险。