chain fission

简明释义

链式分裂

英英释义

例句

1.The safety protocols in a nuclear facility are designed to control chain fission reactions.

核设施的安全协议旨在控制链裂变反应。

2.The concept of chain fission is crucial in understanding nuclear reactions.

理解核反应时，链裂变的概念至关重要。

3.Scientists study chain fission to improve the efficiency of nuclear power plants.

科学家研究链裂变以提高核电站的效率。

4.Understanding chain fission helps in the development of advanced nuclear technologies.

理解链裂变有助于先进核技术的发展。

5.In a nuclear reactor, chain fission can lead to a sustained energy output.

在核反应堆中，链裂变可以导致持续的能量输出。

作文

The concept of chain fission is primarily associated with nuclear physics and the process of nuclear reactions. In simple terms, chain fission (链式裂变) refers to a series of reactions where the products of one reaction initiate further reactions, leading to a self-sustaining series of events. This principle is crucial in understanding how nuclear reactors operate and how nuclear weapons are designed. To elaborate, when a heavy nucleus, such as uranium-235 or plutonium-239, absorbs a neutron, it becomes unstable and splits into two smaller nuclei, releasing a significant amount of energy in the process. This splitting, or fission, also releases additional neutrons. These newly released neutrons can then go on to collide with other heavy nuclei, causing them to undergo chain fission (链式裂变) as well. This cycle continues, creating a rapid and exponential increase in energy release, which is the fundamental mechanism behind both nuclear power generation and atomic explosions.The efficiency of chain fission (链式裂变) depends on several factors, including the type of fuel used, the arrangement of the nuclear material, and the presence of moderators that slow down the neutrons. In a controlled environment, such as a nuclear reactor, the goal is to maintain a steady rate of chain fission (链式裂变), allowing for a continuous output of energy. This is achieved through the use of control rods that absorb excess neutrons, thus regulating the reaction rate.On the other hand, in an uncontrolled setting, such as in a nuclear bomb, the aim is to achieve a rapid, explosive release of energy. Here, the design ensures that a large number of neutrons are available to sustain a fast-paced chain fission (链式裂变) reaction, resulting in a catastrophic explosion.Moreover, the implications of chain fission (链式裂变) extend beyond just energy production and weaponry. It raises significant ethical and environmental concerns. The by-products of nuclear fission are often radioactive and require careful handling and disposal. Furthermore, the potential for accidents, such as those seen in Chernobyl and Fukushima, highlights the risks associated with harnessing nuclear energy through chain fission (链式裂变).In conclusion, understanding chain fission (链式裂变) is vital for anyone interested in nuclear science, energy policy, or global security. As we continue to explore nuclear technology, it is essential to balance the benefits of chain fission (链式裂变) with the responsibilities that come with it. The future of energy may very well depend on our ability to harness this powerful process safely and sustainably.

链式裂变的概念主要与核物理学和核反应过程相关。简单来说，链式裂变（chain fission）指的是一系列反应，其中一个反应的产物引发进一步的反应，导致一系列自我维持的事件。这一原理对于理解核反应堆的运作方式以及核武器的设计至关重要。进一步阐述，当重核，例如铀-235或钚-239，吸收一个中子时，它变得不稳定并裂变成两个较小的核，同时释放出大量的能量。这种裂变也释放出额外的中子。这些新释放的中子可以继续撞击其他重核，导致它们发生链式裂变（chain fission）。这一循环持续进行，创造出快速且指数级增加的能量释放，这是核电生产和原子爆炸背后的基本机制。链式裂变（chain fission）的效率取决于多个因素，包括所用燃料的类型、核材料的排列以及减速剂的存在，这些减速剂可以减缓中子的速度。在受控环境中，例如核反应堆，目标是保持稳定的链式裂变（chain fission）速率，从而允许连续输出能量。这通过使用吸收过量中子的控制棒来实现，从而调节反应速率。另一方面，在失控的环境中，例如在核弹中，目标是实现快速、爆炸性的能量释放。在这里，设计确保有大量中子可用于维持快速的链式裂变（chain fission）反应，从而导致灾难性的爆炸。此外，链式裂变（chain fission）的影响超越了能源生产和武器制造。它引发了重大的伦理和环境问题。核裂变的副产品往往是放射性的，需要小心处理和处置。此外，切尔诺贝利和福岛等事故的潜在风险突显了利用链式裂变（chain fission）获取核能的风险。总之，理解链式裂变（chain fission）对任何对核科学、能源政策或全球安全感兴趣的人来说都是至关重要的。随着我们继续探索核技术，平衡链式裂变（chain fission）的好处与随之而来的责任至关重要。能源的未来可能很大程度上依赖于我们安全和可持续地利用这一强大过程的能力。