amount of heat
简明释义
热量
英英释义
The total quantity of thermal energy present in a substance or system, typically measured in joules or calories. | 存在于物质或系统中的热能总量,通常以焦耳或卡路里为单位进行测量。 |
例句
1.In cooking, the amount of heat applied can greatly affect the texture of the food.
在烹饪中,施加的热量会极大影响食物的质地。
2.The amount of heat produced during the chemical reaction was measured accurately.
化学反应过程中产生的热量被准确测量。
3.Engineers must calculate the amount of heat loss to improve energy efficiency.
工程师必须计算热量损失以提高能效。
4.The amount of heat generated by the engine is crucial for its performance.
发动机产生的热量对其性能至关重要。
5.To maintain a stable temperature, we need to control the amount of heat in the room.
为了保持稳定的温度,我们需要控制房间内的热量。
作文
The concept of the amount of heat is fundamental in understanding thermodynamics and energy transfer. In everyday life, we often encounter situations where we need to consider the amount of heat involved in various processes. For instance, when cooking, the amount of heat applied to food determines how quickly it cooks and how well it retains its nutrients. Similarly, during winter, the amount of heat generated by heating systems in our homes plays a crucial role in maintaining a comfortable living environment.In scientific terms, the amount of heat refers to the total energy transferred due to temperature differences between systems or objects. This energy transfer can occur through conduction, convection, or radiation. For example, when you place a metal spoon in a hot cup of coffee, the amount of heat from the coffee is conducted through the spoon, causing it to become warm. Understanding this principle is essential for engineers and scientists who design thermal systems, such as engines and refrigerators.Moreover, the amount of heat is also a critical factor in climate science. The Earth's atmosphere absorbs solar energy, which affects global temperatures and weather patterns. Scientists study the amount of heat absorbed by different surfaces, such as oceans and land, to predict climate changes and their impacts on ecosystems and human activities.In the field of physics, the amount of heat is quantified in joules or calories, depending on the system of measurement used. The specific heat capacity of a substance indicates how much amount of heat is required to raise its temperature by one degree Celsius. This property is vital in various applications, including cooking and industrial processes, where precise temperature control is necessary.Additionally, the amount of heat released or absorbed during chemical reactions is a key aspect of chemistry. Exothermic reactions release energy in the form of heat, while endothermic reactions absorb heat from their surroundings. Understanding these reactions helps chemists develop new materials and energy sources, contributing to advancements in technology and sustainability.In conclusion, the amount of heat is a crucial concept that spans multiple disciplines, from cooking and engineering to climate science and chemistry. It plays an integral role in our daily lives and the natural world. By grasping the significance of the amount of heat, we can better appreciate the intricate balance of energy that sustains our planet and drives innovation in various fields. As we continue to face challenges related to energy consumption and climate change, understanding the amount of heat will be essential for developing sustainable solutions and ensuring a better future for generations to come.
“热量”这一概念在理解热力学和能量转移中至关重要。在日常生活中,我们经常会遇到需要考虑不同过程中的“热量”的情况。例如,在烹饪时,施加到食物上的“热量”决定了食物的烹饪速度以及营养成分的保留程度。同样,在冬季,家中供暖系统产生的“热量”在维持舒适的生活环境中发挥着关键作用。在科学术语中,“热量”指的是由于系统或物体之间的温度差异而转移的总能量。这种能量转移可以通过传导、对流或辐射发生。例如,当你将金属勺子放入一杯热咖啡中时,咖啡的“热量”通过勺子传导,使其变暖。理解这一原理对于设计热系统(如发动机和冰箱)的工程师和科学家至关重要。此外,“热量”在气候科学中也是一个关键因素。地球的大气层吸收太阳能,这影响全球温度和天气模式。科学家研究不同表面(如海洋和陆地)所吸收的“热量”,以预测气候变化及其对生态系统和人类活动的影响。在物理学领域,“热量”的量度以焦耳或卡路里为单位,具体取决于所使用的测量系统。物质的比热容表示提高其温度一摄氏度所需的“热量”。这一特性在各种应用中至关重要,包括烹饪和工业过程,其中精确的温度控制是必要的。此外,在化学反应中释放或吸收的“热量”是化学的关键方面。放热反应以热量的形式释放能量,而吸热反应则从周围环境中吸收热量。理解这些反应有助于化学家开发新材料和能源来源,从而推动技术和可持续发展的进步。总之,“热量”是一个跨越多个学科的重要概念,从烹饪和工程到气候科学和化学。它在我们的日常生活和自然界中扮演着不可或缺的角色。通过掌握“热量”的重要性,我们可以更好地欣赏维持我们星球和推动各个领域创新的能量复杂平衡。随着我们继续面临与能源消耗和气候变化相关的挑战,理解“热量”将对开发可持续解决方案和确保未来几代人的美好未来至关重要。
相关单词