freezing point

简明释义

冰点凝固点

英英释义

例句

1.When temperatures drop below the freezing point, ice begins to form.

当温度降到冰点以下时，冰开始形成。

2.Salt can lower the freezing point of water, preventing ice formation on roads.

盐可以降低水的冰点，防止道路上形成冰。

3.The freezing point of ethanol is much lower than that of water.

乙醇的冰点远低于水的冰点。

4.The freezing point depression is an important concept in chemistry.

在化学中，冰点降低是一个重要概念。

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

水在其冰点时冻结，冰点为0摄氏度。

作文

The concept of the freezing point is fundamental in the study of physical sciences, particularly in chemistry and physics. The freezing point refers to the temperature at which a liquid turns into a solid. This phenomenon occurs when the thermal energy of the molecules decreases to a point where they can no longer overcome the intermolecular forces that hold them together in a solid structure. Understanding the freezing point is crucial for various applications, including food preservation, material science, and environmental studies.For instance, water has a freezing point of 0 degrees Celsius (32 degrees Fahrenheit) under standard atmospheric conditions. This means that when the temperature drops to 0 degrees Celsius, water begins to transition from its liquid state to ice. The freezing point of water is significant not only in everyday life but also in scientific research. In biology, the freezing point plays a critical role in the survival of organisms in cold environments. Some animals have developed antifreeze proteins that lower their body fluids' freezing point, allowing them to survive in sub-zero temperatures.In addition to biological implications, the freezing point is also vital in the context of climate change. As global temperatures rise, the freezing point of polar ice caps is affected, leading to accelerated melting. This has profound effects on sea levels and ecosystems. Scientists study these changes to understand better how warming climates impact our planet.Furthermore, the freezing point can vary depending on the substance and its purity. For instance, adding salt to water lowers its freezing point, a principle that is commonly used in de-icing roads during winter. This process, known as freezing point depression, demonstrates how solutes can affect the physical properties of solvents. It is a practical application of the freezing point concept that illustrates the importance of understanding this phenomenon in real-world scenarios.In conclusion, the freezing point is not just a simple measurement; it is a critical concept that impacts various fields, from environmental science to culinary arts. By grasping the significance of the freezing point, we gain insights into the behavior of substances under different temperature conditions and the implications of these changes on our world. Whether we are aware of it or not, the freezing point affects our daily lives, influencing everything from the food we eat to the environment we live in. Therefore, studying the freezing point and its applications is essential for anyone interested in the natural sciences and their practical implications.

“冰点”这一概念在物理科学的研究中是非常基础的，特别是在化学和物理学中。“冰点”是指液体转变为固体的温度。这一现象发生在分子的热能降低到无法克服将它们结合在一起的分子间力的程度时。理解“冰点”对各种应用至关重要，包括食品保存、材料科学和环境研究。例如，水在标准大气条件下的“冰点”为0摄氏度（32华氏度）。这意味着当温度降至0摄氏度时，水开始从液态过渡到冰。水的“冰点”不仅在日常生活中具有重要意义，而且在科学研究中也至关重要。在生物学中，“冰点”在寒冷环境中生物体的生存中发挥着关键作用。一些动物发展出抗冻蛋白，以降低其体液的“冰点”，使它们能够在零下温度中生存。除了生物学的影响之外，“冰点”在气候变化的背景下也至关重要。随着全球气温的上升，极地冰盖的“冰点”受到影响，导致加速融化。这对海平面和生态系统产生深远影响。科学家研究这些变化，以更好地理解温暖气候对我们星球的影响。此外，“冰点”会因物质及其纯度而异。例如，向水中添加盐可以降低其“冰点”，这一原理在冬季除冰道路时常被使用。这一过程被称为冰点降低，展示了溶质如何影响溶剂的物理性质。这是“冰点”概念的一个实际应用，说明了理解这一现象在现实场景中的重要性。总之，“冰点”不仅仅是一个简单的测量，它是一个关键概念，影响着多个领域，从环境科学到烹饪艺术。通过掌握“冰点”的重要性，我们获得了对不同温度条件下物质行为的深入了解，以及这些变化对我们世界的影响。无论我们是否意识到，“冰点”都影响着我们的日常生活，影响着我们所吃的食物以及我们所生活的环境。因此，研究“冰点”及其应用对于任何对自然科学及其实际影响感兴趣的人来说都是至关重要的。