third law of thermodynamics

简明释义

热力学第三定律

英英释义

例句

1.Cryogenics often relies on the principles of the third law of thermodynamics to achieve and maintain low temperatures.

低温技术通常依赖于热力学第三定律 的原理来实现和维持低温。

2.In practical applications, the third law of thermodynamics is important for understanding the behavior of materials at extremely low temperatures.

在实际应用中，热力学第三定律 对于理解材料在极低温度下的行为非常重要。

3.The third law of thermodynamics helps scientists predict how substances will behave when cooled to near absolute zero.

热力学第三定律 帮助科学家预测物质在接近绝对零度时的行为。

4.The third law of thermodynamics states that as the temperature approaches absolute zero, the entropy of a perfect crystal approaches zero.

热力学第三定律 表明，当温度接近绝对零度时，完美晶体的熵趋近于零。

5.Understanding the third law of thermodynamics is crucial for developing efficient refrigeration systems.

理解热力学第三定律 对于开发高效制冷系统至关重要。

作文

The field of thermodynamics plays a crucial role in understanding the principles that govern energy transfer and transformation. Among the four fundamental laws of thermodynamics, the third law of thermodynamics holds a unique significance, particularly in the study of absolute zero and the behavior of systems at low temperatures. This law states that as the temperature of a perfect crystalline substance approaches absolute zero, the entropy of the system approaches a minimum value. In simpler terms, it implies that it is impossible to reach absolute zero through a finite number of processes. To comprehend the implications of the third law of thermodynamics, one must first understand the concept of entropy. Entropy is a measure of disorder or randomness in a system. At higher temperatures, particles in a substance have greater kinetic energy and move more freely, leading to higher entropy. However, as the temperature decreases, the movement of particles slows down, and the system becomes more ordered, resulting in lower entropy. The third law of thermodynamics essentially provides a baseline for measuring this disorder in a system at absolute zero, where the entropy would reach its minimum value. The significance of the third law of thermodynamics extends beyond theoretical physics; it has practical implications in various fields, including cryogenics, material science, and quantum mechanics. For instance, in cryogenics, researchers aim to achieve extremely low temperatures to study the properties of materials at these conditions. Understanding the third law of thermodynamics helps scientists predict how materials will behave as they approach absolute zero, which is crucial for developing new technologies and applications. Moreover, the third law of thermodynamics also has profound implications in understanding the nature of reality at the quantum level. As we explore the behavior of particles and systems at extremely low temperatures, we begin to see phenomena that challenge our classical understanding of physics. For example, superconductivity and superfluidity are two remarkable states of matter that occur at low temperatures, and both are deeply connected to the principles outlined by the third law of thermodynamics. In conclusion, the third law of thermodynamics is a fundamental principle that not only enhances our understanding of thermodynamic systems but also opens doors to new scientific discoveries and technological advancements. By studying the behavior of matter as it approaches absolute zero, we can gain insights into the very fabric of our universe. The implications of this law resonate through various scientific disciplines, making it an essential concept for anyone interested in the physical sciences. As we continue to explore the mysteries of the universe, the third law of thermodynamics will undoubtedly remain a cornerstone in our quest for knowledge and understanding.

热力学领域在理解支配能量转移和转化的原则方面发挥着至关重要的作用。在热力学的四个基本定律中，热力学第三定律具有独特的重要性，特别是在研究绝对零度及其低温下系统行为时。该定律指出，作为完美晶体物质的温度接近绝对零度时，系统的熵趋向于最小值。简单来说，这意味着通过有限的过程不可能达到绝对零度。要理解热力学第三定律的含义，首先必须了解熵的概念。熵是系统中无序或随机性的度量。在较高温度下，物质中的粒子具有更大的动能和更自由的运动，从而导致更高的熵。然而，随着温度降低，粒子的运动减缓，系统变得更加有序，导致熵降低。热力学第三定律本质上为在绝对零度下测量这个无序的基准提供了基础，在这个温度下，熵将达到其最小值。热力学第三定律的重要性不仅限于理论物理，它在各个领域，包括低温技术、材料科学和量子力学等方面有着实际的应用。例如，在低温技术中，研究人员旨在实现极低的温度，以研究材料在这些条件下的性质。理解热力学第三定律有助于科学家预测材料在接近绝对零度时的行为，这对于开发新技术和应用至关重要。此外，热力学第三定律在理解量子层面现实的本质方面也具有深远的影响。当我们探索粒子和系统在极低温度下的行为时，我们开始看到挑战我们经典物理理解的现象。例如，超导性和超流性是两种在低温下发生的显著物质状态，而这两者都与热力学第三定律所阐述的原则密切相关。总之，热力学第三定律是一个基本原则，不仅增强了我们对热力学系统的理解，而且为新的科学发现和技术进步打开了大门。通过研究物质在接近绝对零度时的行为，我们可以获得对宇宙本质的洞察。该定律的意义贯穿于各个科学学科，使其成为任何对物理科学感兴趣的人的重要概念。随着我们继续探索宇宙的奥秘，热力学第三定律无疑将继续成为我们追求知识和理解的基石。