apparent freezing point

简明释义

结冰点

英英释义

例句

1.To determine the apparent freezing point of the mixture, we conducted a series of cooling tests.

为了确定混合物的表观冰点，我们进行了系列冷却测试。

2.The scientist measured the liquid's temperature and found its apparent freezing point to be lower than expected.

科学家测量了液体的温度，发现其表观冰点低于预期。

3.The apparent freezing point of pure water is 0 degrees Celsius, but impurities can alter this value.

纯水的表观冰点是0摄氏度，但杂质会改变这个值。

4.In a saltwater solution, the apparent freezing point is significantly reduced due to the presence of salt.

在盐水溶液中，由于盐的存在，表观冰点显著降低。

5.The apparent freezing point of antifreeze is much lower than that of regular water, making it ideal for winter use.

防冻液的表观冰点远低于普通水，使其非常适合冬季使用。

作文

The concept of the apparent freezing point is crucial in understanding the behavior of substances when they transition from liquid to solid states. This phenomenon is particularly significant in the field of chemistry and material science, where researchers study how different materials react under various temperatures and pressures. The apparent freezing point refers to the temperature at which a substance appears to freeze, but this can be influenced by several factors such as impurities, pressure, and the presence of solutes. For example, when salt is added to water, the apparent freezing point of the solution decreases. This is why we often sprinkle salt on icy roads during winter; it lowers the freezing point of water, preventing ice from forming. This principle is not only applicable in everyday life but also in industrial processes where controlling the freezing point is essential for product quality. In the context of biology, the apparent freezing point plays a vital role in cryopreservation, a technique used to preserve cells and tissues at very low temperatures. Understanding the apparent freezing point allows scientists to optimize the conditions under which biological samples are frozen, ensuring that they remain viable for future use. This has profound implications for medical research, fertility treatments, and even organ transplants, where preserving biological integrity is paramount.Furthermore, the apparent freezing point can vary significantly among different substances. For instance, pure water freezes at 0 degrees Celsius, but when mixed with antifreeze, the apparent freezing point can drop significantly, allowing vehicles to operate in much colder environments without the risk of engine damage due to freezing fluids. In summary, the apparent freezing point is a fascinating topic that encompasses various scientific disciplines, from chemistry to biology and engineering. By studying this concept, we can better understand how substances behave under different conditions, leading to practical applications that enhance our daily lives and advance technological innovations. As we continue to explore the intricacies of the apparent freezing point, we unlock new possibilities for improving processes and materials that are essential in our modern world.

“表观冰点”的概念在理解物质从液态转变为固态的行为时至关重要。这一现象在化学和材料科学领域尤其重要，研究人员研究不同材料在各种温度和压力下的反应。“表观冰点”指的是物质看似冻结的温度，但这可能受到杂质、压力和溶质存在等多种因素的影响。例如，当盐加入水中时，溶液的“表观冰点”会降低。这就是为什么我们在冬天经常在结冰的道路上撒盐；它降低了水的冰点，防止冰的形成。这一原理不仅适用于日常生活，还适用于工业过程，在这些过程中控制冰点对于产品质量至关重要。在生物学的背景下，“表观冰点”在冷冻保存中发挥着重要作用，这是一种用于在非常低的温度下保存细胞和组织的技术。理解“表观冰点”使科学家能够优化生物样本冷冻的条件，确保它们在未来使用时仍然具有活性。这对医学研究、辅助生殖治疗甚至器官移植具有深远的影响，其中保持生物完整性至关重要。此外，不同物质的“表观冰点”可能显著不同。例如，纯水在0摄氏度时冻结，但与防冻剂混合时，“表观冰点”可以显著降低，使车辆在更寒冷的环境中运行而不会因液体冻结而损坏发动机。总之，“表观冰点”是一个引人入胜的话题，涵盖了从化学到生物学和工程学等多个科学学科。通过研究这一概念，我们可以更好地理解物质在不同条件下的行为，从而带来增强我们日常生活和推动技术创新的实用应用。随着我们继续探索“表观冰点”的复杂性，我们为改善现代世界中至关重要的过程和材料打开了新的可能性。