freezing point

简明释义

冰点

英英释义

例句

1.When the temperature drops below the freezing point, ice forms on the lake.

当温度降到冰点以下时，湖面上会形成冰。

2.The freezing point depression is a colligative property that affects solutions.

冰点降低是影响溶液的集合性质。

3.Salt lowers the freezing point of water, which is why it's used on icy roads.

盐降低了水的冰点，这就是为什么它被用于结冰的道路上。

4.The freezing point of pure ethanol is around -114 degrees Celsius.

纯乙醇的冰点大约是-114摄氏度。

5.Water freezes at its freezing point, which is 0 degrees Celsius.

水在它的冰点冻结，冰点是0摄氏度。

作文

The concept of the freezing point is fundamental in understanding the behavior of substances as they transition from a liquid to a solid state. The freezing point is defined as the temperature at which a liquid becomes a solid when cooled. This temperature varies for different substances; for example, the freezing point of water is 0 degrees Celsius (32 degrees Fahrenheit). Understanding the freezing point is not only crucial in scientific studies but also has practical applications in daily life.In chemistry, the freezing point plays a vital role in determining the properties of substances. When a liquid reaches its freezing point, the molecules slow down and begin to arrange themselves into a fixed structure, forming a solid. This process is called crystallization. The freezing point can be influenced by various factors, including pressure and the presence of impurities. For instance, adding salt to ice lowers the freezing point, which is why salt is often used to melt ice on roads during winter.In everyday life, we encounter the freezing point in various scenarios. For instance, when making ice cubes, we place water in a tray and put it in the freezer. As the temperature drops below the freezing point, the water transforms into ice. This simple process illustrates the importance of the freezing point in our daily routines. Furthermore, understanding the freezing point can help us comprehend weather phenomena. For example, when temperatures drop below the freezing point, we experience snow or frost, which significantly impacts our environment and daily activities.Moreover, the freezing point is essential in various industries. In food preservation, knowing the freezing point of different foods helps in maintaining their quality and safety. Freezing food at the right temperature ensures that it remains fresh for longer periods. Additionally, in the pharmaceutical industry, the freezing point is crucial for storing certain medications that must be kept at low temperatures to maintain their efficacy.In conclusion, the freezing point is a significant concept that extends beyond scientific theory into our everyday lives. It helps us understand how substances behave under different temperature conditions and is vital in various practical applications. By grasping the importance of the freezing point, we can better appreciate the world around us and make informed decisions in our daily activities, whether it’s cooking, traveling, or preserving food. The freezing point serves as a reminder of the intricate balance between temperature and the physical state of matter, highlighting the beauty of science in our everyday experiences.

“冰点”这一概念对于理解物质从液态转变为固态的行为至关重要。“冰点”被定义为液体在冷却时变为固体的温度。这个温度因不同物质而异；例如，水的“冰点”为0摄氏度（32华氏度）。理解“冰点”不仅对科学研究至关重要，而且在日常生活中也有实际应用。在化学中，“冰点”在确定物质的性质方面发挥着重要作用。当液体达到其“冰点”时，分子会减速并开始排列成固定的结构，形成固体。这个过程称为结晶。“冰点”可以受到多种因素的影响，包括压力和杂质的存在。例如，向冰中添加盐会降低“冰点”，这就是为什么在冬季常常使用盐来融化道路上的冰。在日常生活中，我们在各种场景中遇到“冰点”。例如，当制作冰块时，我们将水放入托盘中并放入冰箱。当温度降到“冰点”以下时，水会转变为冰。这个简单的过程说明了“冰点”在我们日常生活中的重要性。此外，理解“冰点”可以帮助我们理解天气现象。例如，当气温降到“冰点”以下时，我们会经历雪或霜，这对我们的环境和日常活动产生重大影响。此外，“冰点”在各个行业中也是至关重要的。在食品保存中，了解不同食物的“冰点”有助于保持其质量和安全性。在正确的温度下冷冻食物可以确保其在更长时间内保持新鲜。此外，在制药行业，“冰点”对于存储某些必须保持在低温下以维持其效力的药物至关重要。总之，“冰点”是一个重要的概念，它超越了科学理论，深入到我们的日常生活中。它帮助我们理解物质在不同温度条件下的行为，并在各种实际应用中至关重要。通过掌握“冰点”的重要性，我们可以更好地欣赏周围的世界，并在日常活动中做出明智的决定，无论是在烹饪、旅行还是食品保存方面。“冰点”提醒我们温度与物质物理状态之间的微妙平衡，突显了科学在我们日常体验中的美丽。