freezing point

简明释义

冻结点

英英释义

例句

1.The freezing point depression is a colligative property of solutions.

溶液的冰点降低是一个共性性质。

2.The freezing point of alcohol is much lower than that of water.

酒精的冰点远低于水的冰点。

3.To make ice cream, you need to lower the freezing point of the mixture.

制作冰淇淋时，需要降低混合物的冰点。

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

水在其冰点（0摄氏度）时结冰。

5.Salt can help lower the freezing point of ice on roads during winter.

盐可以帮助降低冬季道路上冰的冰点。

作文

The concept of the freezing point is fundamental in understanding the behavior of substances as they change from a liquid to a solid state. The freezing point, defined as the temperature at which a liquid turns into a solid, varies for different materials. For example, the freezing point of water is 0 degrees Celsius (32 degrees Fahrenheit). This temperature is significant not only in scientific studies but also in everyday life, such as when we observe ice forming on lakes during winter months.Understanding the freezing point is crucial in various fields, including chemistry, physics, and even culinary arts. In chemistry, the freezing point can be influenced by the presence of solutes, which lower the freezing point of a solution compared to that of pure solvent. This phenomenon, known as freezing point depression, is why salt is often spread on icy roads; it lowers the freezing point of water, preventing ice from forming and making roads safer for travel.In physics, the freezing point is essential for understanding phase transitions and thermodynamics. The study of how materials respond to changes in temperature helps scientists develop new materials and improve existing ones. For instance, knowing the freezing point of metals can inform engineers when designing equipment that will operate under extreme conditions.Moreover, the freezing point has practical applications in food preservation. When food is frozen, it undergoes a phase change where the moisture within it freezes solid. Understanding the freezing point of different foods helps in determining the best methods for freezing them without compromising their texture or nutritional value. For example, fruits with high water content may require special handling to avoid freezer burn, which occurs when air comes into contact with the food and causes dehydration.In meteorology, the freezing point plays a critical role in weather predictions and climate studies. Meteorologists monitor temperatures closely to forecast snow and ice formation. When temperatures drop below the freezing point, precipitation can fall as snow instead of rain, significantly affecting travel and safety conditions. Understanding these patterns helps communities prepare for winter storms and mitigate their impacts.In conclusion, the freezing point is more than just a scientific term; it is a pivotal concept that intersects various disciplines and daily life. Whether we are discussing the freezing point of water in a science class, applying it in culinary practices, or considering its implications in engineering and meteorology, this concept holds immense importance. By grasping the intricacies of the freezing point, we can better appreciate the world around us and make informed decisions in both professional and personal contexts.

“冰点”这一概念在理解物质从液态转变为固态的行为时是至关重要的。“冰点”被定义为液体转变为固体的温度，不同材料的“冰点”各不相同。例如，水的“冰点”为0摄氏度（32华氏度）。这个温度不仅在科学研究中具有重要意义，在日常生活中也同样重要，比如当我们观察到冬季湖面结冰时。理解“冰点”在化学、物理乃至烹饪艺术等多个领域都是至关重要的。在化学中，溶质的存在会影响“冰点”，使得溶液的“冰点”低于纯溶剂的“冰点”。这种现象称为冰点降低，这也是为什么盐常常被撒在结冰的道路上；它降低了水的“冰点”，防止冰的形成，使得道路更加安全。在物理学中，“冰点”对于理解相变和热力学至关重要。研究材料如何响应温度变化帮助科学家开发新材料并改善现有材料。例如，了解金属的“冰点”可以为工程师在设计将在极端条件下运行的设备提供信息。此外，“冰点”在食品保存中也有实际应用。当食物被冷冻时，它经历了一个相变，其中其内部的水分被冻结成固体。理解不同食物的“冰点”有助于确定最佳的冷冻方法，以免影响其质地或营养价值。例如，含水量高的水果可能需要特别处理，以避免冷冻烧伤，这种情况发生在空气与食物接触并导致脱水时。在气象学中，“冰点”在天气预报和气候研究中起着关键作用。气象学家密切监测温度，以预测降雪和结冰的形成。当温度降到“冰点”以下时，降水可能会以雪的形式而非雨水出现，这会显著影响旅行和安全状况。理解这些模式有助于社区为冬季风暴做准备，并减轻其影响。总之，“冰点”不仅仅是一个科学术语；它是一个交叉多个学科和日常生活的关键概念。无论我们是在科学课上讨论水的“冰点”，在烹饪实践中应用它，还是考虑其在工程和气象中的影响，这一概念都具有巨大的重要性。通过掌握“冰点”的复杂性，我们可以更好地欣赏周围的世界，并在专业和个人环境中做出明智的决策。