controlled chain reaction

简明释义

受控链式反应

英英释义

例句

1.In nuclear power plants, a controlled chain reaction 受控链式反应 is essential for generating electricity safely.

在核电站中，受控链式反应 controlled chain reaction 对于安全发电至关重要。

2.Scientists study controlled chain reactions 受控链式反应 to improve the efficiency of nuclear reactors.

科学家研究受控链式反应 controlled chain reactions以提高核反应堆的效率。

3.The military utilizes controlled chain reactions 受控链式反应 in certain types of munitions to ensure precision.

军方在某些类型的弹药中利用受控链式反应 controlled chain reactions以确保精确性。

4.In chemistry, a controlled chain reaction 受控链式反应 can help in synthesizing complex molecules.

在化学中，受控链式反应 controlled chain reaction可以帮助合成复杂分子。

5.The success of the experiment depended on maintaining a controlled chain reaction 受控链式反应 throughout the process.

实验的成功依赖于在整个过程中维持受控链式反应 controlled chain reaction。

作文

In the realm of nuclear physics and chemistry, the term controlled chain reaction refers to a process where a series of reactions occur in a manner that is regulated and sustained over time. This concept is fundamental to the operation of nuclear reactors, which are designed to harness the energy released from nuclear fission in a safe and efficient manner. To understand the significance of a controlled chain reaction, we must first explore what a chain reaction entails. A chain reaction occurs when the products of a reaction initiate further reactions, creating a self-sustaining sequence. In the case of nuclear fission, when an atomic nucleus splits, it releases neutrons that can then collide with other nuclei, causing them to split as well. If this process is uncontrolled, it can lead to catastrophic explosions, as seen in nuclear weapons. However, in a controlled setting, the reaction can be moderated to release energy steadily.The importance of a controlled chain reaction cannot be overstated. It provides a reliable source of energy that can power cities and industries. For instance, many countries rely on nuclear power plants to generate electricity. These plants operate by maintaining a delicate balance in the reaction, using control rods made of materials that absorb neutrons to regulate the number of neutrons available to sustain the fission process. By adjusting the position of these control rods, operators can increase or decrease the rate of the reaction, ensuring that it remains stable and safe.Moreover, the concept of a controlled chain reaction extends beyond nuclear power. In various fields such as chemistry and biology, similar principles apply. For example, in chemical reactions, catalysts can be used to control the rate of reaction, allowing for the production of desired products without the risk of runaway reactions. In biological systems, enzymes facilitate metabolic pathways, ensuring that reactions occur at rates conducive to life while preventing harmful accumulations of intermediates.However, the management of a controlled chain reaction also poses challenges. Safety is paramount in nuclear facilities, as any failure in control mechanisms can lead to severe consequences. Incidents like the Chernobyl disaster highlight the potential dangers of losing control over a nuclear reaction. Therefore, rigorous safety protocols, regular maintenance, and comprehensive training for personnel are essential components of operating a nuclear reactor.Furthermore, public perception of nuclear energy is often influenced by fears stemming from historical accidents. Advocating for the benefits of a controlled chain reaction requires addressing these concerns through education and transparency. By informing the public about the advancements in technology and safety measures, we can foster a more informed dialogue about the role of nuclear energy in our future.In conclusion, a controlled chain reaction is a pivotal concept in both nuclear science and broader scientific disciplines. Its ability to provide sustainable energy solutions while necessitating careful management underscores the dual nature of technological advancement. As we continue to explore new frontiers in energy production and scientific research, understanding and effectively controlling these reactions will be crucial in ensuring a safe and prosperous future for generations to come.

在核物理和化学领域，短语controlled chain reaction指的是一个过程，其中一系列反应以一种受控和持续的方式进行。这个概念是核反应堆运行的基础，核反应堆旨在安全高效地利用核裂变释放的能量。要理解controlled chain reaction的重要性，我们首先必须探讨什么是链式反应。链式反应发生在反应的产物引发进一步的反应，形成自我维持的序列。在核裂变的情况下，当原子核裂变时，它释放出中子，这些中子可以与其他核碰撞，导致它们也发生裂变。如果这个过程不受控制，就会导致灾难性的爆炸，如核武器所示。然而，在受控的环境中，反应可以被调节，以稳定地释放能量。controlled chain reaction的重要性不容小觑。它提供了一种可靠的能源来源，可以为城市和工业供电。例如，许多国家依赖核电站来发电。这些电站通过保持反应中的微妙平衡来运作，使用由吸收中子的材料制成的控制棒来调节可维持裂变过程的中子数量。通过调整这些控制棒的位置，操作员可以增加或减少反应的速率，确保其保持稳定和安全。此外，controlled chain reaction的概念不仅限于核能。在化学和生物等各个领域，类似的原理也适用。例如，在化学反应中，催化剂可以用来控制反应速率，从而在不引发失控反应的情况下生产所需产品。在生物系统中，酶促进代谢途径，确保反应以有利于生命的速率进行，同时防止中间体的有害积累。然而，管理controlled chain reaction也带来了挑战。安全在核设施中至关重要，因为控制机制的任何故障都可能导致严重后果。切尔诺贝利灾难等事件突显了失去对核反应控制的潜在危险。因此，严格的安全协议、定期维护和对人员的全面培训是运行核反应堆的基本组成部分。此外，公众对核能的看法往往受到历史事故引发的恐惧的影响。倡导controlled chain reaction的好处需要通过教育和透明度来解决这些担忧。通过向公众传达技术进步和安全措施，我们可以促进关于核能在未来角色的更为知情的对话。总之，controlled chain reaction是核科学和更广泛科学学科中的一个关键概念。它提供可持续能源解决方案的能力，同时需要仔细管理，突显了技术进步的双重性质。随着我们继续探索能源生产和科学研究的新前沿，理解和有效控制这些反应将对确保我们未来几代人的安全和繁荣至关重要。