thermal agitation

简明释义

热扰动

英英释义

例句

1.The thermal agitation (热运动) of particles contributes to the pressure exerted by gases.

粒子的热运动（thermal agitation）对气体施加的压力有贡献。

2.In solids, thermal agitation (热运动) is limited, which keeps the atoms in fixed positions.

在固体中，热运动（thermal agitation）受到限制，这使得原子保持在固定的位置。

3.When heated, the thermal agitation (热运动) of liquid molecules increases, causing them to move faster.

当液体加热时，分子的热运动（thermal agitation）增加，导致它们运动得更快。

4.The scientist explained that the increase in temperature leads to greater thermal agitation (热运动) of molecules in the gas.

科学家解释说，温度的升高会导致气体中分子的热运动（thermal agitation）增加。

5.The concept of thermal agitation (热运动) is essential in understanding the behavior of gases.

理解气体行为的关键在于热运动（thermal agitation）的概念。

作文

Thermal agitation is a fundamental concept in the field of physics and chemistry, describing the random motion of particles in a substance due to thermal energy. As temperature increases, the kinetic energy of these particles also rises, leading to greater degrees of movement. This phenomenon can be observed in various states of matter, including solids, liquids, and gases. In solids, for example, atoms vibrate around fixed positions, while in liquids and gases, particles move more freely. The importance of thermal agitation (热振动) cannot be overstated, as it plays a crucial role in determining the properties of materials and their behavior under different conditions.One of the most significant implications of thermal agitation (热振动) is its influence on the state of matter. When a solid is heated, the increased thermal agitation (热振动) causes the rigid structure of the solid to break down, allowing it to transition into a liquid state. This process is known as melting. Conversely, when a liquid is cooled, the thermal agitation (热振动) decreases, leading to the formation of a solid through freezing. Understanding this process is essential in various applications, such as metallurgy and materials science, where controlling the temperature can affect the properties of the final product.In addition to phase transitions, thermal agitation (热振动) also affects the diffusion of particles. Diffusion is the process by which particles spread from areas of high concentration to areas of low concentration. The rate of diffusion is influenced by the amount of thermal agitation (热振动) present in the system. For instance, in a gas, the high level of thermal agitation (热振动) allows gas molecules to move rapidly, facilitating quicker diffusion compared to a liquid or solid. This principle is crucial in various fields, including biology, where the movement of nutrients and waste products across cell membranes depends on diffusion.Moreover, thermal agitation (热振动) is also responsible for phenomena such as Brownian motion, which describes the erratic movement of microscopic particles suspended in a fluid. This motion is a direct result of the collisions between the particles and the surrounding fluid molecules, which are in constant motion due to thermal agitation (热振动). Brownian motion provides evidence for the existence of atoms and molecules, supporting the kinetic theory of matter.Understanding thermal agitation (热振动) is also vital in the context of thermodynamics. The laws of thermodynamics describe how energy is transferred and transformed in physical systems. The concept of thermal agitation (热振动) is integral to the second law of thermodynamics, which states that the total entropy of a closed system can never decrease over time. Entropy, a measure of disorder, is directly related to the amount of thermal agitation (热振动) within a system; as particles move more randomly and energetically, the entropy of the system increases.In conclusion, thermal agitation (热振动) is a key concept that underpins many aspects of physical science. Its effects on the states of matter, diffusion, and thermodynamic principles illustrate its significance in understanding the natural world. By studying thermal agitation (热振动), scientists can gain insights into the behavior of materials and the mechanisms governing various physical processes. Whether in industrial applications or fundamental research, grasping the concept of thermal agitation (热振动) is essential for advancements in science and technology.