reactivity transient

简明释义

反应性瞬变

英英释义

例句

1.In our experiments, we observed a significant reactivity transient 反应瞬态 that affected the yield of the product.

在我们的实验中，我们观察到一个显著的反应瞬态 reactivity transient，这影响了产物的产量。

2.The reactivity transient 反应瞬态 can be modeled using advanced computational techniques.

可以使用先进的计算技术对反应瞬态 reactivity transient进行建模。

3.Monitoring the reactivity transient 反应瞬态 is essential for ensuring safety in chemical manufacturing.

监测反应瞬态 reactivity transient 对确保化学制造的安全性至关重要。

4.Understanding the reactivity transient 反应瞬态 is crucial for optimizing reaction conditions.

理解反应瞬态 reactivity transient 对优化反应条件至关重要。

5.The study showed that the reactivity transient 反应瞬态 in the chemical process could lead to unexpected results.

研究表明，化学过程中的反应瞬态 reactivity transient 可能导致意外结果。

作文

In the field of nuclear physics and chemical engineering, the term reactivity transient refers to a temporary change in the reactivity of a nuclear reactor or a chemical reaction system. This phenomenon can occur due to various factors, such as changes in temperature, pressure, or concentration of reactants. Understanding reactivity transient is crucial for ensuring the safety and efficiency of reactors and processes. For instance, during a sudden increase in temperature, the reactivity of a reactor might spike, leading to potential safety hazards. Engineers and scientists must monitor these transients closely to prevent accidents and maintain optimal operating conditions.The concept of reactivity transient is particularly significant during the startup and shutdown phases of a reactor. When a reactor is brought online, the initial conditions may not be stable, leading to fluctuations in reactivity. These fluctuations can be caused by the introduction of fresh fuel, changes in coolant flow, or variations in control rod positions. Similarly, during shutdown, the reactivity can change rapidly as the reactor cools down and the neutron population decreases. Understanding these transients allows operators to make informed decisions about how to control the reactor safely.Moreover, reactivity transient can also impact chemical reactions. In a chemical reactor, a sudden change in the concentration of reactants or temperature can lead to an unexpected increase in reaction rate, potentially resulting in runaway reactions. For example, in an exothermic reaction, if the heat generated exceeds the heat removed from the system, it can lead to a dangerous situation. Therefore, chemical engineers must design reactors that can handle these transients effectively, incorporating safety measures to mitigate risks.The study of reactivity transient is not only important for safety but also for optimizing performance. By understanding how reactivity changes over time, researchers can develop methods to enhance the efficiency of reactors. For instance, they can adjust operational parameters to minimize the impact of transients, ensuring that the reactor operates within safe limits while maximizing output.In conclusion, the term reactivity transient encompasses a critical aspect of both nuclear and chemical engineering. It highlights the importance of monitoring and managing temporary changes in reactivity to ensure safety and efficiency. As technology advances and we push the boundaries of what is possible in these fields, a thorough understanding of reactivity transient will remain essential for engineers and scientists alike. By continuing to study and analyze these phenomena, we can improve our systems and contribute to safer, more effective energy solutions for the future.

在核物理和化学工程领域，术语反应性瞬态指的是核反应堆或化学反应系统中反应性的一种暂时变化。这种现象可能由于温度、压力或反应物浓度等各种因素而发生。理解反应性瞬态对于确保反应堆和过程的安全性和效率至关重要。例如，在温度突然升高的情况下，反应堆的反应性可能会激增，从而导致潜在的安全隐患。工程师和科学家必须密切监测这些瞬态，以防止事故并保持最佳操作条件。反应性瞬态的概念在反应堆的启动和停机阶段特别重要。当反应堆上线时，初始条件可能不稳定，导致反应性的波动。这些波动可能是由于新燃料的引入、冷却剂流量的变化或控制棒位置的变化所引起的。同样，在停机期间，随着反应堆冷却和中子数量的减少，反应性也可能迅速变化。理解这些瞬态使操作员能够做出有关如何安全控制反应堆的明智决策。此外，反应性瞬态也可能影响化学反应。在化学反应器中，反应物浓度或温度的突然变化可能导致反应速率意外增加，从而可能导致失控反应。例如，在放热反应中，如果产生的热量超过从系统中移除的热量，可能会导致危险情况。因此，化学工程师必须设计能够有效处理这些瞬态的反应器，采用安全措施来降低风险。对反应性瞬态的研究不仅对安全重要，而且对优化性能也至关重要。通过了解反应性随时间的变化，研究人员可以开发方法以提高反应器的效率。例如，他们可以调整操作参数，以最小化瞬态的影响，确保反应器在安全限制内运行，同时最大限度地提高产出。总之，术语反应性瞬态涵盖了核工程和化学工程的一个关键方面。它强调了监测和管理反应性暂时变化的重要性，以确保安全和效率。随着技术的进步以及我们在这些领域中推动可能性的边界，对反应性瞬态的透彻理解将始终是工程师和科学家不可或缺的。通过继续研究和分析这些现象，我们可以改善我们的系统，为未来的更安全、更有效的能源解决方案做出贡献。