termination reaction

简明释义

终止反应

英英释义

例句

1.In this experiment, we observed how the termination reaction affects the molecular weight of the product.

在这个实验中，我们观察到终止反应如何影响产物的分子量。

2.The efficiency of the termination reaction can greatly influence the overall yield of the reaction.

终止反应的效率可以极大地影响反应的整体产率。

3.The study focused on the role of the termination reaction in polymer synthesis.

这项研究集中于终止反应在聚合物合成中的作用。

4.Understanding the kinetics of the termination reaction is crucial for optimizing chemical reactions.

理解终止反应的动力学对优化化学反应至关重要。

5.Researchers are investigating new catalysts to improve termination reactions in industrial processes.

研究人员正在调查新的催化剂，以改善工业过程中的终止反应。

作文

In the realm of chemistry, reactions are classified into various types based on their mechanisms and outcomes. One particularly important type is known as a termination reaction, which plays a crucial role in the dynamics of chemical processes. A termination reaction refers to a step in a reaction mechanism where the active species are effectively neutralized or deactivated, leading to the cessation of further reaction. This concept is particularly significant in polymer chemistry, where the formation and growth of polymer chains depend heavily on such reactions. To understand the implications of a termination reaction, it is essential to first grasp the basics of chain reactions. In many chemical processes, especially in radical polymerization, the reaction proceeds through a series of initiation, propagation, and termination steps. During the initiation phase, free radicals are generated, which then propagate the reaction by attacking monomers to form new radicals. This process continues until a termination reaction occurs, which can happen through various mechanisms such as combination or disproportionation of radicals.The importance of termination reactions cannot be overstated. They not only determine the molecular weight of the resulting polymers but also influence the physical properties of the materials produced. For instance, if the termination reactions occur too quickly, the resulting polymer may have a low molecular weight, leading to a material that is brittle and lacks strength. Conversely, if these reactions are delayed, the polymer chains can grow longer, resulting in a more robust material. Thus, controlling termination reactions is vital for optimizing the characteristics of polymer products.Moreover, the study of termination reactions has broader implications beyond just polymer chemistry. In biological systems, similar termination processes can regulate metabolic pathways and signal transduction mechanisms. For example, in enzymatic reactions, the termination of enzyme activity is crucial for maintaining homeostasis within a cell. Understanding how these termination processes work can lead to better therapeutic strategies for diseases where these pathways are disrupted.In conclusion, the concept of a termination reaction is fundamental in both chemical and biological contexts. It serves as a critical juncture where reactions are brought to a halt, influencing the outcome and properties of the substances involved. As research advances, a deeper understanding of termination reactions will undoubtedly contribute to innovations in materials science, medicine, and various other fields. By mastering this concept, chemists and biochemists alike can harness the power of reactions to create new and improved substances that meet the demands of modern society.

在化学领域，反应根据其机制和结果被分类为各种类型。其中一个特别重要的类型被称为终止反应，它在化学过程的动态中发挥着至关重要的作用。终止反应是指反应机制中的一步，在这一过程中，活性物质被有效中和或失活，从而导致进一步反应的停止。这个概念在聚合物化学中尤为重要，因为聚合链的形成和生长在很大程度上依赖于这种反应。为了理解终止反应的影响，首先必须掌握链反应的基本知识。在许多化学过程中，尤其是在自由基聚合中，反应通过一系列的引发、传播和终止步骤进行。在引发阶段，自由基被产生，然后通过攻击单体来传播反应，从而形成新的自由基。这个过程会持续，直到发生终止反应，这可以通过自由基的结合或不等比例反应等各种机制发生。终止反应的重要性不容小觑。它们不仅决定了所产生聚合物的分子量，还影响了所产生材料的物理特性。例如，如果终止反应发生得太快，所得到的聚合物可能具有低分子量，从而导致材料脆弱且缺乏强度。相反，如果这些反应被延迟，聚合物链可以变得更长，导致更坚固的材料。因此，控制终止反应对于优化聚合物产品的特性至关重要。此外，终止反应的研究在聚合物化学之外也具有更广泛的意义。在生物系统中，类似的终止过程可以调节代谢途径和信号转导机制。例如，在酶促反应中，酶活性的终止对于维持细胞内的稳态至关重要。理解这些终止过程的工作原理可以为那些这些途径受到干扰的疾病提供更好的治疗策略。总之，终止反应的概念在化学和生物学背景中都是基础的。它作为一个关键的交汇点，使反应停止，影响参与物质的结果和特性。随着研究的进展，对终止反应的深入理解无疑将有助于材料科学、医学及其他各个领域的创新。通过掌握这一概念，化学家和生物化学家能够利用反应的力量创造出符合现代社会需求的新型和改进的物质。