absolute zero

简明释义

绝对零度

英英释义

例句

1.Scientists have been trying to reach absolute zero (绝对零度) for decades, but it's impossible according to the laws of physics.

科学家们几十年来一直在尝试达到绝对零度（absolute zero），但根据物理定律，这是不可能的。

2.The third law of thermodynamics states that it's impossible to reach absolute zero (绝对零度) in a finite number of steps.

热力学第三定律指出，在有限的步骤中不可能达到绝对零度（absolute zero）。

3.The Kelvin scale starts at absolute zero (绝对零度), which is equivalent to -273.15 degrees Celsius.

开尔文温标从绝对零度（absolute zero）开始，相当于-273.15摄氏度。

4.To study superconductivity, researchers often cool materials close to absolute zero (绝对零度).

为了研究超导性，研究人员通常将材料冷却到接近绝对零度（absolute zero）。

5.At absolute zero (绝对零度), all molecular motion theoretically stops.

在绝对零度（absolute zero）时，所有分子运动理论上会停止。

作文

The concept of absolute zero is a fundamental principle in the field of thermodynamics and physics. It refers to the lowest possible temperature where the motion of atoms theoretically comes to a complete stop. This temperature is defined as 0 Kelvin, which is equivalent to -273.15 degrees Celsius or -459.67 degrees Fahrenheit. Understanding absolute zero is crucial for scientists and researchers as it provides insights into the behavior of matter at extremely low temperatures.At absolute zero, the entropy of a perfect crystal reaches its minimum value, according to the third law of thermodynamics. This implies that it is impossible to reach absolute zero through any finite number of processes. The idea of absolute zero has significant implications in various fields, including quantum mechanics and cryogenics. For example, when materials are cooled to temperatures approaching absolute zero, they exhibit unique properties such as superconductivity and superfluidity.Superconductivity is the phenomenon where certain materials can conduct electricity without resistance when cooled below a critical temperature. This effect is observed in many metals and alloys when they are brought close to absolute zero. Superconductors have numerous applications, including in magnetic resonance imaging (MRI) machines and particle accelerators. The ability to manipulate materials at temperatures near absolute zero opens up new possibilities for technological advancements.Similarly, superfluidity is another fascinating phenomenon that occurs in liquid helium when it is cooled to temperatures near absolute zero. In this state, the liquid exhibits zero viscosity, allowing it to flow without dissipating energy. This property challenges our conventional understanding of fluids and has led to various experiments and research studies aimed at exploring its implications.The pursuit of achieving absolute zero has driven many scientific experiments over the years. While it is impossible to reach this temperature, scientists have made significant progress in cooling substances to fractions of a degree above absolute zero. Techniques such as laser cooling and evaporative cooling have enabled researchers to study quantum phenomena in detail. These advancements have not only enhanced our understanding of the physical world but also contributed to the development of new technologies.In addition to its scientific significance, the concept of absolute zero also raises philosophical questions about the nature of temperature and the limits of human knowledge. It challenges us to think about the extremes of our universe and what lies beyond our current understanding. As we continue to explore the mysteries of the universe, the pursuit of knowledge about absolute zero and its implications will remain a vital aspect of scientific inquiry.In conclusion, absolute zero represents a theoretical limit in temperature that plays a crucial role in our understanding of physics and the behavior of matter. Its implications stretch across various scientific disciplines, leading to groundbreaking discoveries and technological innovations. As we delve deeper into the mysteries of the universe, the concept of absolute zero will undoubtedly continue to inspire curiosity and exploration among scientists and enthusiasts alike.

绝对零度是热力学和物理学领域的一个基本原则。它指的是可能的最低温度，在这个温度下，原子的运动理论上完全停止。这个温度被定义为0开尔文，相当于-273.15摄氏度或-459.67华氏度。理解绝对零度对科学家和研究人员至关重要，因为它提供了在极低温度下物质行为的洞察。在绝对零度下，完美晶体的熵达到其最小值，根据热力学第三定律。这意味着通过有限数量的过程是不可能达到绝对零度的。绝对零度的概念在量子力学和低温物理等多个领域具有重要意义。例如，当材料被冷却到接近绝对零度的温度时，它们会表现出独特的性质，如超导性和超流性。超导性是一种现象，当某些材料在降到临界温度以下时，可以无阻力地导电。这种效应在许多金属和合金中观察到，当它们接近绝对零度时。超导体有许多应用，包括在磁共振成像（MRI）机器和粒子加速器中。操纵接近绝对零度的材料的能力为技术进步开辟了新的可能性。同样，超流性是另一种迷人的现象，当液氦被冷却到接近绝对零度的温度时发生。在这种状态下，液体表现出零粘度，允许它在不耗散能量的情况下流动。这一特性挑战了我们对流体的传统理解，并导致了各种实验和研究，旨在探索其影响。实现绝对零度的追求推动了多年来许多科学实验的发展。虽然不可能达到这一温度，但科学家在将物质冷却到绝对零度以上的几分之一度方面取得了重大进展。激光冷却和蒸发冷却等技术使研究人员能够详细研究量子现象。这些进展不仅增强了我们对物理世界的理解，还促进了新技术的发展。除了科学意义外，绝对零度的概念还引发了关于温度本质和人类知识极限的哲学问题。它挑战我们思考宇宙的极端情况以及超出我们当前理解的事物。随着我们继续探索宇宙的奥秘，关于绝对零度及其影响的知识追求将始终是科学探究的重要方面。总之，绝对零度代表了温度的一个理论极限，在我们理解物理学和物质行为方面发挥着至关重要的作用。它的影响跨越多个科学学科，导致了突破性的发现和技术创新。随着我们深入探索宇宙的奥秘，绝对零度的概念无疑将继续激励科学家和爱好者的好奇心和探索精神。