absolute temperature

简明释义

绝对温度

英英释义

例句

1.Scientists use absolute temperature 绝对温度 to describe the thermal energy of particles in a substance.

科学家们使用<绝对温度>来描述物质中粒子的热能。

2.When calculating gas laws, it's crucial to convert temperatures to absolute temperature 绝对温度 for accurate results.

在计算气体定律时，将温度转换为<绝对温度>以获得准确结果是至关重要的。

3.The formula for converting Celsius to absolute temperature 绝对温度 is to add 273.15.

将摄氏度转换为<绝对温度>的公式是加上273.15。

4.In thermodynamics, we often refer to the absolute temperature 绝对温度 when discussing the laws of energy transfer.

在热力学中，我们经常提到<绝对温度>当讨论能量传递的定律时。

5.The absolute temperature 绝对温度 scale starts at absolute zero, which is 0 Kelvin.

<绝对温度>标度从绝对零度开始，绝对零度为0开尔文。

作文

The concept of absolute temperature is fundamental in the field of thermodynamics and plays a crucial role in understanding the behavior of gases and other materials. The absolute temperature scale, measured in Kelvin (K), is based on the idea that there exists a point at which all molecular motion ceases. This theoretical point is known as absolute zero, which is defined as 0 K or -273.15 °C. At this temperature, the entropy of a perfect crystal reaches its minimum value, and the system is in its ground state. Understanding absolute temperature is essential for scientists and engineers alike, as it allows them to predict how substances will behave under varying thermal conditions. For instance, when a gas is heated, its molecules gain kinetic energy, causing the gas to expand. The relationship between temperature and volume in gases is described by Charles's Law, which states that the volume of a gas is directly proportional to its absolute temperature when pressure is held constant. This relationship is critical in many applications, including the design of engines and refrigeration systems.Moreover, the concept of absolute temperature is not limited to gases; it also applies to liquids and solids. For example, the behavior of water changes significantly with temperature. When water is heated to its boiling point (100 °C), it transitions from a liquid to a gas. However, if we consider this in terms of absolute temperature, we see that water boils at 373.15 K. This perspective allows for a more standardized approach to temperature measurement across different substances.In addition to practical applications, the study of absolute temperature has profound implications in the realm of physics. The third law of thermodynamics states that as the temperature of a system approaches absolute temperature (0 K), the entropy approaches a constant minimum. This principle has significant consequences in quantum mechanics and statistical mechanics, where temperature plays a pivotal role in determining the properties of matter at the atomic level.Furthermore, absolute temperature is vital in the field of astrophysics. The temperatures of celestial bodies can be expressed in terms of the absolute temperature scale, allowing astronomers to infer the physical properties and behaviors of stars, planets, and other astronomical phenomena. For instance, the surface temperature of the Sun is approximately 5,500 K, which provides insights into its composition and energy output.In conclusion, the concept of absolute temperature is indispensable in various scientific disciplines. From understanding the behavior of gases to exploring the mysteries of the universe, absolute temperature serves as a foundational element in the study of thermal dynamics. Its significance extends beyond mere measurement; it shapes our comprehension of the natural world and the laws that govern it. As we continue to explore the intricacies of the universe, the importance of absolute temperature will undoubtedly remain a key focus in scientific research and application.

绝对温度的概念在热力学领域是基础性的，对于理解气体和其他材料的行为至关重要。绝对温度的测量单位是开尔文(K)，它基于这样一个观点：存在一个点，所有分子运动都停止。这个理论上的点被称为绝对零度，定义为0 K或-273.15°C。在这个温度下，完美晶体的熵达到最小值，系统处于基态。理解绝对温度对于科学家和工程师来说都是必不可少的，因为它使他们能够预测物质在不同热条件下的行为。例如，当气体被加热时，其分子获得动能，导致气体膨胀。气体的温度与体积之间的关系由查尔斯定律描述，该定律指出，在压力保持不变的情况下，气体的体积与其绝对温度成正比。这一关系在许多应用中至关重要，包括发动机和制冷系统的设计。此外，绝对温度的概念不仅限于气体；它同样适用于液体和固体。例如，水的行为随着温度的变化而显著变化。当水加热到其沸点（100°C）时，它从液体转变为气体。然而，如果我们从绝对温度的角度考虑这一点，我们会发现水在373.15 K时沸腾。这种观点允许我们对不同物质的温度测量采取更标准化的方法。除了实际应用外，绝对温度的研究在物理学领域也具有深远的影响。热力学第三定律指出，随着系统温度接近绝对温度（0 K），熵接近一个恒定的最小值。这一原理在量子力学和统计力学中具有重要意义，其中温度在确定物质的原子级性质方面起着关键作用。此外，绝对温度在天体物理学领域也至关重要。天体的温度可以用绝对温度尺度表示，这使天文学家能够推断恒星、行星和其他天文现象的物理特性和行为。例如，太阳的表面温度约为5500 K，这为我们提供了关于其组成和能量输出的见解。总之，绝对温度的概念在各个科学学科中都是不可或缺的。从理解气体的行为到探索宇宙的奥秘，绝对温度作为热动力学研究的基础元素。它的重要性超越了简单的测量；它塑造了我们对自然世界及其规律的理解。随着我们继续探索宇宙的复杂性，绝对温度的重要性无疑将继续成为科学研究和应用的重点。