absolute temperature

简明释义

1. 绝对温度; 2. 热力学温度;

英英释义

例句

1.In physics, the absolute temperature 绝对温度 scale is essential for understanding heat transfer.

在物理学中，绝对温度尺度对于理解热传递是必不可少的。

2.When water freezes, its absolute temperature 绝对温度 is 273.15 K.

当水冻结时，它的绝对温度是273.15开尔文。

3.To calculate the energy of a gas, we must consider its absolute temperature 绝对温度.

要计算气体的能量，我们必须考虑它的绝对温度。

4.The absolute temperature 绝对温度 is measured in Kelvin, which starts at absolute zero.

绝对温度以开尔文为单位测量，从绝对零度开始。

5.The concept of absolute temperature 绝对温度 is crucial in thermodynamics.

绝对温度的概念在热力学中至关重要。

作文

Understanding the concept of absolute temperature is crucial in the field of thermodynamics and physics. The term refers to a measurement of temperature that is based on an absolute scale, rather than relative scales like Celsius or Fahrenheit. The absolute temperature scale starts at absolute zero, which is the theoretical point where all molecular motion ceases. This point is defined as 0 Kelvin (K), equivalent to -273.15 degrees Celsius (°C) or -459.67 degrees Fahrenheit (°F). At this temperature, the entropy of a perfect crystal reaches its minimum value, and it serves as a fundamental reference point in thermodynamic calculations.The significance of absolute temperature extends beyond mere definitions; it plays a vital role in various scientific equations and principles. For instance, the ideal gas law, which describes the behavior of ideal gases, incorporates absolute temperature in its formula: PV = nRT. Here, P represents pressure, V is volume, n denotes the number of moles of gas, R is the ideal gas constant, and T is the absolute temperature. The use of absolute temperature ensures that the relationship between these variables remains consistent across different conditions, allowing scientists to predict the behavior of gases accurately.Moreover, absolute temperature is essential when discussing the kinetic theory of gases. According to this theory, the temperature of a gas is directly proportional to the average kinetic energy of its molecules. As the temperature increases, the molecules move faster, and their kinetic energy rises. This relationship is only valid when temperature is measured on an absolute temperature scale, reinforcing the importance of using Kelvin for precise scientific calculations.In practical applications, understanding absolute temperature is crucial in areas such as engineering, meteorology, and even everyday cooking. For example, many scientific experiments and industrial processes require precise temperature control, and utilizing absolute temperature measurements can lead to more accurate and reliable results. In meteorology, temperature data is often converted to Kelvin to analyze atmospheric phenomena effectively. Additionally, in cooking, certain recipes may require temperature adjustments based on absolute temperature to achieve the desired results.In conclusion, the concept of absolute temperature is foundational in the realms of science and engineering. Its significance lies not only in its theoretical implications but also in its practical applications across various fields. By understanding and utilizing the absolute temperature scale, researchers and professionals can enhance their work, ensuring accuracy and consistency in their findings and processes. Emphasizing the importance of this concept helps foster a deeper appreciation for the intricacies of temperature measurement and its impact on our understanding of the physical world.

理解绝对温度的概念在热力学和物理学领域至关重要。这个术语指的是基于绝对尺度的温度测量，而不是像摄氏度或华氏度这样的相对尺度。绝对温度尺度从绝对零度开始，这是所有分子运动停止的理论点。这个点被定义为0开尔文（K），等于-273.15摄氏度（°C）或-459.67华氏度（°F）。在这个温度下，完美晶体的熵达到其最小值，它作为热力学计算中的基本参考点。绝对温度的重要性不仅仅在于定义；它在各种科学方程和原理中发挥着重要作用。例如，理想气体定律描述了理想气体的行为，在其公式PV = nRT中包含了绝对温度。这里，P代表压力，V是体积，n表示气体的摩尔数，R是理想气体常数，T是绝对温度。使用绝对温度确保这些变量之间的关系在不同条件下保持一致，使科学家能够准确预测气体的行为。此外，绝对温度在讨论气体的动理论时是必不可少的。根据这一理论，气体的温度与其分子的平均动能成正比。随着温度的升高，分子的运动加快，其动能上升。这种关系仅在温度以绝对温度尺度测量时有效，这进一步强调了在精确科学计算中使用开尔文的重要性。在实际应用中，理解绝对温度在工程、气象甚至日常烹饪等领域至关重要。例如，许多科学实验和工业过程需要精确的温度控制，利用绝对温度测量可以获得更准确和可靠的结果。在气象学中，温度数据通常转换为开尔文，以有效分析大气现象。此外，在烹饪中，某些食谱可能需要基于绝对温度进行温度调整，以实现所需的结果。总之，绝对温度的概念在科学和工程领域是基础性的。它的重要性不仅体现在其理论意义上，还体现在其在各个领域的实际应用中。通过理解和利用绝对温度尺度，研究人员和专业人员可以增强他们的工作，确保其发现和过程的准确性和一致性。强调这一概念的重要性有助于加深我们对温度测量复杂性的理解及其对我们认识物理世界的影响。