physical chemistry
简明释义
物理化学
英英释义
A branch of chemistry that deals with the physical properties and changes of matter, as well as the underlying principles of chemical reactions. | 化学的一个分支,研究物质的物理性质和变化,以及化学反应的基本原理。 |
例句
1.The study of physical chemistry (物理化学) helps chemists predict the behavior of chemical reactions under different conditions.
对物理化学(物理化学)的研究帮助化学家预测化学反应在不同条件下的行为。
2.In our advanced chemistry course, we will explore the principles of physical chemistry (物理化学) and how they apply to real-world situations.
在我们的高级化学课程中,我们将探讨物理化学(物理化学)的原理及其在现实世界中的应用。
3.Many pharmaceutical companies rely on physical chemistry (物理化学) to design effective drugs.
许多制药公司依靠物理化学(物理化学)来设计有效的药物。
4.Understanding physical chemistry (物理化学) is essential for developing new materials with specific properties.
理解物理化学(物理化学)对于开发具有特定性质的新材料至关重要。
5.The principles of physical chemistry (物理化学) are crucial in understanding thermodynamics.
理解热力学的原则需要掌握物理化学(物理化学)的基本知识。
作文
Physical chemistry is a branch of chemistry that deals with the study of how matter behaves on a molecular and atomic level, and how chemical reactions occur. It combines principles from physics and chemistry to understand the physical properties of molecules, the forces that act upon them, and the energy changes that accompany chemical transformations. The significance of physical chemistry (物理化学) lies in its ability to provide a deeper insight into the mechanisms of chemical reactions and the characteristics of different substances. One of the fundamental concepts in physical chemistry (物理化学) is thermodynamics, which examines the relationships between heat, work, temperature, and energy. Thermodynamics allows chemists to predict whether a reaction will occur spontaneously and to what extent it will proceed. For instance, understanding the enthalpy changes during a reaction can help in designing processes that are more energy-efficient. This is particularly important in industrial applications where energy costs can significantly impact profitability. Another crucial area of physical chemistry (物理化学) is kinetics, the study of the rates of chemical reactions. Kinetics helps scientists understand how different factors, such as concentration, temperature, and catalysts, influence the speed of reactions. By applying kinetic principles, researchers can optimize reaction conditions for various applications, including pharmaceuticals, where reaction speed can affect drug efficacy and safety. The study of physical chemistry (物理化学) also encompasses quantum chemistry, which applies quantum mechanics to chemical systems. This field helps in understanding the behavior of electrons in atoms and molecules, leading to insights about bonding, molecular structure, and reactivity. Quantum chemistry has revolutionized the way chemists approach molecular design, enabling them to predict the properties of new compounds before they are synthesized in the laboratory. In addition to these core areas, physical chemistry (物理化学) plays a vital role in materials science. Understanding the physical properties of materials, such as conductivity, magnetism, and mechanical strength, is essential for developing new technologies. For example, advances in nanotechnology rely heavily on principles from physical chemistry (物理化学) to manipulate materials at the atomic scale, leading to innovations in electronics, energy storage, and medicine. Moreover, physical chemistry (物理化学) is integral to environmental chemistry. It helps in understanding the chemical processes that occur in the atmosphere, hydrosphere, and lithosphere, which is crucial for addressing issues like pollution and climate change. By studying the interactions between different chemical species and their physical environment, scientists can develop strategies to mitigate environmental impacts and promote sustainability. In conclusion, physical chemistry (物理化学) is an essential discipline that bridges the gap between physics and chemistry. Its principles are foundational to many scientific advancements and practical applications across various fields. As we continue to face complex challenges in energy, health, and the environment, the insights gained from physical chemistry (物理化学) will be invaluable in guiding future research and innovation.
物理化学是一个化学分支,研究物质在分子和原子水平上的行为,以及化学反应的发生。它结合了物理学和化学的原理,以理解分子的物理特性、作用于它们的力以及伴随化学转化的能量变化。物理化学(physical chemistry)的重要性在于它能够深入洞察化学反应的机制和不同物质的特性。物理化学(physical chemistry)中的一个基本概念是热力学,它研究热、功、温度和能量之间的关系。热力学使化学家能够预测反应是否会自发发生以及将进行到什么程度。例如,了解反应过程中的焓变可以帮助设计更加节能的工艺。这在工业应用中尤为重要,因为能源成本会显著影响盈利能力。物理化学(physical chemistry)中的另一个关键领域是动力学,即化学反应速率的研究。动力学帮助科学家理解浓度、温度和催化剂等不同因素如何影响反应速度。通过应用动力学原理,研究人员可以优化各种应用的反应条件,包括制药行业,在该行业中,反应速度可能会影响药物的有效性和安全性。物理化学(physical chemistry)的研究还包括量子化学,它将量子力学应用于化学系统。该领域有助于理解原子和分子中电子的行为,从而获得有关键合、分子结构和反应性的见解。量子化学彻底改变了化学家对分子设计的看法,使他们能够在实验室合成新化合物之前预测其性质。除了这些核心领域外,物理化学(physical chemistry)在材料科学中也发挥着至关重要的作用。理解材料的物理特性,例如导电性、磁性和机械强度,对于开发新技术至关重要。例如,纳米技术的进步在很大程度上依赖于物理化学(physical chemistry)的原理,以在原子尺度上操纵材料,从而在电子学、能源存储和医学领域实现创新。此外,物理化学(physical chemistry)对于环境化学至关重要。它有助于理解发生在大气、水圈和岩石圈中的化学过程,这对解决污染和气候变化等问题至关重要。通过研究不同化学物质与其物理环境之间的相互作用,科学家可以制定减轻环境影响和促进可持续发展的策略。总之,物理化学(physical chemistry)是一个重要的学科,架起了物理学和化学之间的桥梁。它的原理是许多科学进步和各个领域实际应用的基础。随着我们继续面临能源、健康和环境等复杂挑战,从物理化学(physical chemistry)中获得的见解将在指导未来的研究和创新中发挥不可或缺的作用。
相关单词