quantity of heat

简明释义

热量

英英释义

例句

1.The engine produces a large quantity of heat 热量 when it operates at full capacity.

当发动机全力运转时，会产生大量的热量。

2.Insulating materials are designed to reduce the quantity of heat 热量 loss in buildings.

绝缘材料旨在减少建筑物中的热量损失。

3.To maintain a comfortable temperature, we need to monitor the quantity of heat 热量 produced by the heating system.

为了保持舒适的温度，我们需要监控供暖系统产生的热量。

4.In a chemical reaction, the quantity of heat 热量 released can indicate the reaction's energy efficiency.

在化学反应中，释放的热量可以指示反应的能量效率。

5.The scientist measured the quantity of heat 热量 absorbed by the substance during the experiment.

科学家在实验中测量了物质吸收的热量。

作文

The concept of the quantity of heat is fundamental in the field of thermodynamics, which is the branch of physics that deals with heat and temperature and their relation to energy and work. Understanding the quantity of heat is essential for various scientific and engineering applications, including engine design, climate control, and even cooking. In simple terms, the quantity of heat refers to the amount of thermal energy transferred from one body or system to another due to a temperature difference. This transfer can occur through conduction, convection, or radiation.To illustrate the importance of the quantity of heat, consider a practical example: boiling water. When you place a pot of water on a stove, the burner heats the pot, which in turn heats the water inside it. The quantity of heat absorbed by the water causes its temperature to rise until it reaches the boiling point. This process is not only crucial for cooking but also demonstrates how energy is transferred and transformed in different states of matter.In scientific terms, the quantity of heat is often measured in joules or calories. One calorie is defined as the amount of heat required to raise the temperature of one gram of water by one degree Celsius. This measurement is vital for understanding energy consumption in various systems, such as heating systems in homes or engines in vehicles. For instance, when engineers design an internal combustion engine, they must calculate the quantity of heat produced during fuel combustion to ensure efficiency and performance.Moreover, the quantity of heat plays a significant role in phase changes, such as melting and boiling. When ice melts into water, it absorbs a specific quantity of heat without changing temperature. This phenomenon, known as latent heat, is crucial in understanding weather patterns and climate change. For example, the vast quantities of heat absorbed by the oceans affect global temperatures and weather systems.In addition to its scientific implications, the quantity of heat has everyday applications that impact our lives. For instance, understanding how much heat is generated by appliances can help consumers make informed choices about energy efficiency. Similarly, knowledge of the quantity of heat can guide individuals in optimizing their home heating and cooling systems, ultimately leading to reduced energy bills and a smaller carbon footprint.In conclusion, the quantity of heat is a crucial concept that permeates many aspects of science and daily life. From cooking to engineering and environmental science, understanding how heat is transferred and measured enables us to harness energy more effectively and sustainably. As we continue to face challenges related to energy consumption and climate change, a deeper understanding of the quantity of heat will become increasingly important for future innovations and solutions.

“热量”这一概念在热力学领域中是基础性的，热力学是物理学的一个分支，研究热和温度及其与能量和工作的关系。理解“热量”对于各种科学和工程应用至关重要，包括发动机设计、气候控制，甚至烹饪。简单来说，“热量”指的是由于温度差异而从一个物体或系统转移到另一个物体或系统的热能量。这种转移可以通过导热、对流或辐射发生。为了说明“热量”的重要性，可以考虑一个实际的例子：煮水。当你把一锅水放在炉子上时，燃烧器加热锅，进而加热锅内的水。水吸收的“热量”使其温度上升，直到达到沸点。这个过程不仅对烹饪至关重要，而且展示了能量如何在不同物质状态中转移和转化。在科学术语中，“热量”通常以焦耳或卡路里为单位进行测量。一卡路里被定义为将一克水的温度提高一摄氏度所需的热量。这一测量对于理解各种系统中的能量消耗至关重要，例如家庭供暖系统或车辆发动机。例如，当工程师设计内燃机时，他们必须计算燃料燃烧过程中产生的“热量”，以确保效率和性能。此外，“热量”在相变（例如融化和沸腾）中也起着重要作用。当冰融化成水时，它吸收特定的“热量”，而温度并不改变。这种现象被称为潜热，对于理解天气模式和气候变化至关重要。例如，海洋吸收的巨大“热量”影响全球温度和天气系统。除了科学意义外，“热量”在日常生活中也有影响我们的应用。例如，了解家电产生多少热量可以帮助消费者做出有关能效的明智选择。同样，了解“热量”可以指导个人优化家庭供暖和制冷系统，从而最终降低能源账单并减少碳足迹。总之，“热量”是一个至关重要的概念，渗透到科学和日常生活的许多方面。从烹饪到工程和环境科学，理解热量如何被转移和测量使我们能够更有效和可持续地利用能源。随着我们继续面临与能源消耗和气候变化相关的挑战，对“热量”的更深入理解将变得越来越重要，以推动未来的创新和解决方案。