absolute temperature

简明释义

绝对温度绝对温度

英英释义

Absolute temperature is a measure of temperature expressed in Kelvin, which is based on an absolute scale where zero is the point at which all molecular motion ceases.

绝对温度是以开尔文为单位的温度测量,基于一个绝对尺度,其中零是所有分子运动停止的点。

例句

1.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。

2.To convert Celsius to absolute temperature 绝对温度, you add 273.15.

要将摄氏度转换为绝对温度,需要加上273.15。

3.At absolute temperature 绝对温度 zero, molecular motion theoretically stops.

在绝对零度时,分子运动理论上停止。

4.In scientific experiments, we often measure the absolute temperature 绝对温度 to ensure accuracy.

在科学实验中,我们常常测量绝对温度以确保准确性。

5.The Kelvin scale is used to express absolute temperature 绝对温度.

开尔文温标用于表示绝对温度。

作文

Understanding the concept of absolute temperature is crucial in the field of thermodynamics and various scientific applications. The term absolute temperature refers to a measure of temperature that is measured from absolute zero, which is the point at which all molecular motion ceases. In the Kelvin scale, which is the SI unit for temperature, absolute temperature starts at 0 K (Kelvin), equivalent to -273.15 degrees Celsius. This fundamental understanding allows scientists to express temperatures in a way that is independent of the properties of any specific substance.The significance of absolute temperature extends beyond mere academic curiosity; it plays a vital role in the laws of physics. For instance, the ideal gas law, which describes the behavior of gases, uses absolute temperature to calculate pressure, volume, and temperature relationships accurately. By using absolute temperature, scientists can predict how gases will behave under different conditions, making it essential for both theoretical studies and practical applications.In addition to its importance in gas laws, absolute temperature is also critical in determining the efficiency of thermal machines. Carnot's theorem, which outlines the maximum possible efficiency of a heat engine, is based on the temperatures of the heat source and sink expressed in absolute temperature. This means that engineers and physicists must always consider absolute temperature when designing systems that convert heat into work, ensuring that they can maximize efficiency and minimize energy loss.Moreover, absolute temperature has implications in the field of quantum mechanics. At extremely low temperatures, approaching absolute temperature, materials exhibit unique properties such as superconductivity and superfluidity. These phenomena can only be understood and predicted using the concept of absolute temperature, demonstrating its relevance across various domains of science.In everyday life, we often encounter temperature measurements in degrees Celsius or Fahrenheit, which can lead to confusion when discussing scientific principles. It is essential to convert these measurements to absolute temperature when applying scientific formulas. For example, to convert Celsius to Kelvin, one must add 273.15 to the Celsius value. This conversion is not just a mathematical exercise; it is necessary for accurate scientific communication and experimentation.In conclusion, the concept of absolute temperature is a cornerstone of scientific understanding in thermodynamics, physics, and engineering. Its applications range from the behavior of gases to the efficiency of engines and the exploration of quantum phenomena. As we continue to advance in technology and science, grasping the importance of absolute temperature will remain vital for researchers and practitioners alike. Understanding this concept not only enhances our comprehension of the physical world but also equips us with the tools to innovate and solve complex problems that arise in various fields of study.

理解绝对温度的概念在热力学和各种科学应用中至关重要。术语绝对温度指的是从绝对零度测量的温度,绝对零度是所有分子运动停止的点。在开尔文温标中,绝对温度从0 K(开尔文)开始,相当于-273.15摄氏度。这一基本理解使科学家能够以一种不依赖于任何特定物质特性的方式来表达温度。绝对温度的重要性不仅仅是学术好奇心;它在物理定律中发挥着至关重要的作用。例如,理想气体定律描述了气体的行为,使用绝对温度来准确计算压力、体积和温度之间的关系。通过使用绝对温度,科学家可以预测气体在不同条件下的行为,这对于理论研究和实际应用都是必不可少的。除了在气体定律中的重要性,绝对温度在确定热机的效率方面也至关重要。卡诺定理概述了热机可能达到的最高效率,它基于以绝对温度表示的热源和冷源的温度。这意味着工程师和物理学家在设计将热能转化为功的系统时,必须始终考虑绝对温度,以确保他们能够最大化效率并最小化能量损失。此外,绝对温度在量子力学领域也有重要意义。在极低温度下,接近绝对温度,材料会表现出独特的特性,如超导性和超流动性。这些现象只能通过使用绝对温度的概念来理解和预测,展示了它在各个科学领域的相关性。在日常生活中,我们经常遇到以摄氏度或华氏度表示的温度测量,这可能在讨论科学原理时导致混淆。当应用科学公式时,将这些测量转换为绝对温度至关重要。例如,要将摄氏度转换为开尔文,必须在摄氏值上加273.15。这种转换不仅仅是数学练习;它对于准确的科学交流和实验是必要的。总之,绝对温度的概念是热力学、物理学和工程学科学理解的基石。它的应用范围从气体的行为到发动机的效率,再到量子现象的探索。随着我们在技术和科学上的不断进步,掌握绝对温度的重要性将继续对研究人员和从业者至关重要。理解这一概念不仅增强了我们对物理世界的理解,还为我们提供了创新和解决各个研究领域中出现的复杂问题的工具。

相关单词

absolute

absolute详解:怎么读、什么意思、用法

temperature

temperature详解:怎么读、什么意思、用法