rate of cooling

简明释义

冷却速度

英英释义

例句

1.The rate of cooling 冷却速率 for this reaction is critical to ensure the desired product formation.

此反应的冷却速率 rate of cooling 对确保所需产品的形成至关重要。

2.The rate of cooling 冷却速率 of the metal after it is removed from the furnace can affect its final properties.

金属从炉中取出后的冷却速率 rate of cooling 会影响其最终特性。

3.To optimize the process, we need to control the rate of cooling 冷却速率 during crystallization.

为了优化过程，我们需要控制结晶过程中的冷却速率 rate of cooling。

4.The rate of cooling 冷却速率 affects how quickly a cake sets in the oven.

蛋糕在烤箱中定型的速度与其冷却速率 rate of cooling 有关。

5.In a lab experiment, we measured the rate of cooling 冷却速率 of a hot liquid over time.

在实验室实验中，我们测量了热液体随时间变化的冷却速率 rate of cooling。

作文

The phenomenon of temperature change in objects is a fundamental aspect of physics that affects many areas of our daily lives. One of the critical concepts in understanding how objects lose heat is the rate of cooling. This term refers to the speed at which an object decreases in temperature when it is exposed to a cooler environment. The rate of cooling can be influenced by various factors, including the material of the object, the surrounding temperature, and even the object's surface area. To illustrate this concept, consider a cup of coffee left on a table. Initially, the coffee is hot, but as time passes, it cools down. The rate of cooling of the coffee is not constant; it decreases as the temperature difference between the coffee and the surrounding air diminishes. According to Newton's Law of Cooling, the rate of cooling is proportional to the difference in temperature between the object and its environment. This means that when the coffee is much hotter than the air, it cools rapidly. However, as it approaches room temperature, the cooling slows down. Understanding the rate of cooling has practical applications in various fields. In cooking, for example, chefs must be aware of how quickly food cools to ensure it is served at the right temperature. If a dish cools too quickly, it may lose its appeal and flavor. Similarly, in engineering, the rate of cooling is crucial when designing materials that need to withstand high temperatures. Engineers must calculate how quickly materials will cool to prevent structural failures. In the context of climate science, the rate of cooling can also refer to how quickly the Earth's surface cools after sunset. Understanding this process helps scientists predict weather patterns and climate changes. For instance, if the rate of cooling is faster than usual, it might indicate clear skies and colder temperatures at night, while a slower rate could suggest cloud cover, which retains heat. Moreover, the rate of cooling can have implications in environmental science, particularly in studying the effects of urbanization. Cities tend to retain heat more than rural areas due to the materials used in construction and the lack of vegetation. This phenomenon, known as the urban heat island effect, results in a slower rate of cooling at night compared to surrounding areas, affecting local ecosystems and energy consumption. In conclusion, the rate of cooling is a vital concept that plays a significant role in various aspects of life, from cooking and engineering to climate science and urban planning. By understanding how different factors influence the rate of cooling, we can make better decisions in our daily activities and contribute to more efficient designs and practices in our communities.

物体温度变化的现象是物理学的一个基本方面，影响着我们日常生活的许多领域。理解物体如何失去热量的关键概念之一是冷却速率。这个术语指的是当物体暴露在较冷环境中时，物体温度下降的速度。冷却速率可以受到多种因素的影响，包括物体的材料、周围的温度，甚至物体的表面积。为了说明这一概念，考虑一下放在桌子上的咖啡杯。最初，咖啡是热的，但随着时间的推移，它变凉了。咖啡的冷却速率并不是恒定的；当咖啡和周围空气之间的温差减小时，它会减慢。根据牛顿冷却定律，冷却速率与物体与其环境之间的温差成正比。这意味着当咖啡的温度远高于空气时，它会快速降温。然而，当它接近室温时，冷却速度会减慢。理解冷却速率在各个领域都有实际应用。例如，在烹饪中，厨师必须意识到食物冷却的速度，以确保在合适的温度下上菜。如果菜肴冷却得太快，可能会失去吸引力和风味。同样，在工程学中，冷却速率在设计需要承受高温的材料时至关重要。工程师必须计算材料的冷却速度，以防止结构故障。在气候科学的背景下，冷却速率也可以指地球表面在日落后冷却的速度。理解这一过程有助于科学家预测天气模式和气候变化。例如，如果冷却速率比平常快，可能表明夜间天空晴朗，温度较低，而较慢的冷却速率可能表明云层覆盖，保持热量。此外，冷却速率在环境科学中也可能对研究城市化的影响产生影响。由于建筑材料和缺乏植被，城市往往比农村地区更能保持热量。这种现象被称为城市热岛效应，导致夜间冷却速率比周边地区慢，从而影响当地生态系统和能源消耗。总之，冷却速率是一个重要概念，在生活的各个方面发挥着重要作用，从烹饪和工程到气候科学和城市规划。通过理解不同因素如何影响冷却速率，我们可以在日常活动中做出更好的决策，并为社区中更高效的设计和实践做出贡献。