active hydrogen

简明释义

活性氢

英英释义

例句

1.In hydrogenation reactions, active hydrogen plays a crucial role in adding hydrogen to unsaturated compounds.

在氢化反应中，活性氢在将氢添加到不饱和化合物中起着至关重要的作用。

2.To enhance the efficiency of fuel cells, scientists are studying active hydrogen production methods.

为了提高燃料电池的效率，科学家们正在研究活性氢的生产方法。

3.The presence of active hydrogen in the reaction can significantly increase the reaction rate.

反应中存在的活性氢可以显著提高反应速率。

4.In organic chemistry, active hydrogen is often involved in the formation of new bonds.

在有机化学中，活性氢通常参与新键的形成。

5.The catalyst works by generating active hydrogen that facilitates the reaction.

催化剂通过生成活性氢来促进反应。

作文

The concept of active hydrogen refers to a form of hydrogen that is highly reactive and can easily participate in chemical reactions. This particular type of hydrogen plays a crucial role in various chemical processes, including those that occur in biological systems. Understanding active hydrogen is essential for chemists and biologists alike, as it helps explain how certain reactions occur and why they are significant.In the field of organic chemistry, active hydrogen is often associated with the presence of hydrogen atoms that are attached to electronegative atoms, such as oxygen or nitrogen. These hydrogen atoms can be involved in hydrogen bonding, which is a key interaction that stabilizes molecular structures. For instance, in proteins, the presence of active hydrogen can influence the folding and stability of the protein structure, ultimately affecting its function.Moreover, active hydrogen is not only important in organic chemistry but also in industrial applications. For example, in the production of ammonia through the Haber process, the reactivity of hydrogen is a fundamental aspect that enables the synthesis of this vital compound. Here, active hydrogen combines with nitrogen under high pressure and temperature to produce ammonia, which is essential for fertilizers and other chemicals.In addition to its role in chemical reactions, active hydrogen also has implications in environmental science. The reactivity of hydrogen can lead to the formation of free radicals, which are highly reactive species that can cause damage to cellular components. This aspect of active hydrogen is particularly relevant in the study of oxidative stress and its effects on living organisms. Understanding how active hydrogen contributes to oxidative damage can help researchers develop strategies to mitigate its harmful effects.Furthermore, advancements in technology have allowed scientists to explore the potential uses of active hydrogen in energy production. Hydrogen fuel cells, for example, utilize the reactivity of hydrogen to produce clean energy. In these systems, active hydrogen reacts with oxygen to generate electricity, water, and heat, providing a sustainable alternative to fossil fuels.In conclusion, the term active hydrogen encompasses a variety of important concepts in chemistry and biology. Its reactivity makes it a key player in numerous chemical reactions, influencing everything from the stability of proteins to the production of essential compounds like ammonia. Additionally, understanding the role of active hydrogen in environmental processes and energy production highlights its significance in both scientific research and practical applications. As we continue to explore the intricacies of chemistry, the importance of active hydrogen will undoubtedly remain a focal point of study and innovation.

“活性氢”这一概念指的是一种高度反应性的氢形式，可以很容易地参与化学反应。这种特定类型的氢在各种化学过程中发挥着至关重要的作用，包括生物系统中发生的那些过程。理解活性氢对化学家和生物学家来说都是必不可少的，因为它有助于解释某些反应是如何发生的以及它们为何重要。在有机化学领域，活性氢通常与附着在电负性原子（如氧或氮）上的氢原子有关。这些氢原子可以参与氢键，这是稳定分子结构的关键相互作用。例如，在蛋白质中，活性氢的存在可以影响蛋白质结构的折叠和稳定性，最终影响其功能。此外，活性氢不仅在有机化学中重要，而且在工业应用中也具有重要意义。例如，在通过哈伯法生产氨的过程中，氢的反应性是使这种重要化合物合成的基本方面。在这里，活性氢在高压和高温下与氮结合，生成氨，这对于肥料和其他化学品至关重要。除了在化学反应中的作用外，活性氢在环境科学中也有重要意义。氢的反应性可能导致自由基的形成，自由基是一种高度反应性的物质，可以对细胞成分造成损害。这一方面与活性氢特别相关，尤其是在研究氧化应激及其对生物体的影响时。了解活性氢如何导致氧化损伤可以帮助研究人员开发减轻其有害影响的策略。此外，技术的进步使科学家能够探索活性氢在能源生产中的潜在用途。例如，氢燃料电池利用氢的反应性来产生清洁能源。在这些系统中，活性氢与氧反应，生成电力、水和热量，提供了一种可持续的替代化石燃料的方法。总之，术语活性氢涵盖了化学和生物学中许多重要的概念。其反应性使其成为众多化学反应中的关键参与者，影响从蛋白质的稳定性到氨等重要化合物的生产。此外，理解活性氢在环境过程和能源生产中的作用突显了其在科学研究和实际应用中的重要性。随着我们继续探索化学的复杂性，活性氢的重要性无疑将继续成为研究和创新的重点。