mixed valence

简明释义

混合原子价

英英释义

例句

1.The mixed valence theory helps explain why some compounds exhibit unusual properties.

混合价态理论有助于解释为什么某些化合物表现出不寻常的特性。

2.The concept of mixed valence refers to the presence of both positive and negative charges in a molecule.

概念混合价态指的是分子中同时存在正负电荷。

3.The research paper discussed the effects of mixed valence on chemical reactions.

研究论文讨论了混合价态对化学反应的影响。

4.Artists often explore mixed valence in their work, portraying complex emotional states.

艺术家们常常在作品中探索混合价态，描绘复杂的情感状态。

5.In psychology, mixed valence can describe emotions that contain both positive and negative elements.

在心理学中，混合价态可以描述包含积极和消极元素的情感。

作文

The concept of mixed valence refers to a situation in which an atom or molecule has multiple oxidation states or valences, leading to a complex behavior in chemical reactions. This phenomenon is particularly significant in the field of chemistry, where understanding the valence of different elements can help predict how they will interact with one another. For instance, transition metals often exhibit mixed valence due to their ability to lose varying numbers of electrons. This property not only affects their reactivity but also their color and magnetic properties. In many cases, mixed valence systems are observed in coordination compounds, where a central metal atom is surrounded by ligands. These ligands can influence the electronic environment of the metal, resulting in differing oxidation states. A classic example is seen in the case of manganese oxide, which can exist in several oxidation states, including +2, +3, +4, +6, and +7. The ability of manganese to adopt these various states allows it to participate in a wide range of chemical reactions, making it a vital component in many biological processes, such as photosynthesis.Moreover, the study of mixed valence compounds extends beyond simple chemical interactions. It also plays a crucial role in materials science and nanotechnology. Researchers are exploring the potential of mixed valence materials for applications in electronic devices, where their unique electrical properties can be harnessed to create more efficient components. For example, certain mixed valence oxides have been identified as promising candidates for use in batteries and fuel cells, where their ability to undergo reversible oxidation and reduction reactions can significantly enhance performance.In addition to practical applications, mixed valence systems also present intriguing theoretical challenges. The electronic structure of these compounds can be complex, requiring advanced computational methods to accurately describe their properties. Understanding the nature of mixed valence can lead to insights into fundamental questions in chemistry and physics, such as electron correlation and the mechanisms of charge transfer.Overall, the significance of mixed valence cannot be overstated. It is a key concept that bridges various disciplines within the sciences, from chemistry to materials science and even biology. By studying mixed valence systems, scientists can unlock new pathways for innovation and deepen our understanding of the natural world. As research continues to evolve, the implications of mixed valence will undoubtedly lead to exciting discoveries and advancements that could transform technology and improve our quality of life. In conclusion, mixed valence is a multifaceted concept that plays a crucial role in various scientific fields. Its relevance ranges from explaining the behavior of transition metals to paving the way for novel materials in technology. By embracing the complexities of mixed valence, we can continue to push the boundaries of what is possible in science and engineering.

“混合价态”这一概念指的是一个原子或分子具有多种氧化态或价态的情况，导致其在化学反应中表现出复杂的行为。这个现象在化学领域尤其重要，因为理解不同元素的价态可以帮助预测它们之间的相互作用。例如，过渡金属通常会由于能够失去不同数量的电子而表现出“混合价态”。这一特性不仅影响它们的反应性，还影响它们的颜色和磁性。在许多情况下，“混合价态”系统在配位化合物中被观察到，其中一个中心金属原子被配体包围。这些配体可以影响金属的电子环境，导致不同的氧化态。一个经典的例子是锰氧化物，它可以存在于多个氧化态，包括+2、+3、+4、+6和+7。锰能够采用这些不同的状态使其能够参与广泛的化学反应，使其成为许多生物过程中的重要组成部分，如光合作用。此外，“混合价态”的研究不仅限于简单的化学相互作用。它在材料科学和纳米技术中也发挥着至关重要的作用。研究人员正在探索“混合价态”材料在电子设备中的应用潜力，其独特的电气特性可以被利用来创建更高效的组件。例如，某些“混合价态”氧化物已被确定为电池和燃料电池的有希望的候选者，其可逆氧化还原反应的能力可以显著提高性能。除了实际应用外，“混合价态”系统还提出了引人入胜的理论挑战。这些化合物的电子结构可能非常复杂，需要先进的计算方法来准确描述它们的性质。理解“混合价态”的性质可以揭示化学和物理学中的基本问题，例如电子相关性和电荷转移的机制。总的来说，“混合价态”的重要性不容小觑。它是连接科学各个学科的关键概念，从化学到材料科学甚至生物学。通过研究“混合价态”系统，科学家可以开启创新的新途径，加深我们对自然界的理解。随着研究的不断发展，“混合价态”的影响无疑将导致令人兴奋的发现和进步，这些发现和进步可能会改变技术并改善我们的生活质量。最后，“混合价态”是一个多方面的概念，在各个科学领域发挥着至关重要的作用。它的相关性从解释过渡金属的行为到为技术中的新材料铺平道路。通过拥抱“混合价态”的复杂性，我们可以继续推动科学和工程领域的可能性。