cryoscopy
简明释义
冰点降低测定法
英英释义
单词用法
同义词
反义词
例句
1.Cryoscopy is obtained by classical chemical methods.
冰点是由经典的化学方法获得的。
2.The structure and working principle of the devices for melting point measurement by means of thin film comparative method of cryoscopy were introduced.
介绍凝固点下降薄层比较法测量熔点标准物质熔点的测量装置的构成与工作原理。
3.The structure and working principle of the devices for melting point measurement by means of thin film comparative method of cryoscopy were introduced.
介绍凝固点下降薄层比较法测量熔点标准物质熔点的测量装置的构成与工作原理。
4.The relative errors of the molecular weights determined by cryoscopy are less than 10% as compared with those determined by VPO method.
与蒸汽压渗长期透法（VPO）相比，测定分子量数据的相对误差小于10％。
5.In our chemistry lab, we learned about cryoscopy and its applications in studying solutions.
在我们的化学实验室，我们学习了冷冻法及其在研究溶液中的应用。
6.The cryoscopy technique can help identify impurities in a liquid.
冷冻法技术可以帮助识别液体中的杂质。
7.Using cryoscopy, researchers were able to measure the molar mass of the unknown compound.
通过使用冷冻法，研究人员能够测量未知化合物的摩尔质量。
8.During the experiment, we applied cryoscopy to analyze the properties of different liquids.
在实验中，我们应用了冷冻法来分析不同液体的性质。
9.The scientist used cryoscopy to determine the freezing point of the new solvent.
科学家使用冷冻法来确定新溶剂的冰点。
作文
Cryoscopy, defined as the study of the freezing points of substances, plays a crucial role in various scientific and industrial applications. Understanding the principles behind cryoscopy (冷冻点测定法) can greatly enhance our comprehension of physical chemistry and its practical implications. The core idea of cryoscopy is based on the colligative properties of solutions, which depend on the number of solute particles in a given amount of solvent, rather than the identity of the solute itself. This principle allows scientists to determine molecular weights and analyze the purity of substances by observing how the freezing point of a solution changes compared to that of the pure solvent.In the laboratory, cryoscopy is often employed to measure the freezing point depression of a solvent when a solute is added. For example, when salt is dissolved in water, the freezing point of the resulting solution is lower than that of pure water. By accurately measuring this change, researchers can calculate the molality of the solution and, consequently, the molar mass of the solute. This method is particularly useful in organic chemistry, where determining the molecular weight of unknown compounds is essential for identifying their structure and properties.Moreover, cryoscopy has significant applications in the food industry, where it is used to assess the quality and concentration of various products. For instance, the freezing point of ice cream can be an indicator of its sugar content. A lower freezing point suggests a higher concentration of sugar, which can affect the texture and taste of the final product. By utilizing cryoscopy, manufacturers can ensure consistency and quality in their offerings, leading to better consumer satisfaction.In environmental science, cryoscopy also finds its relevance. Researchers can analyze the freezing points of natural water bodies to monitor changes in salinity and other factors that may indicate pollution or climate change effects. By understanding the freezing behavior of different water samples, scientists can draw conclusions about the ecological health of aquatic environments.Furthermore, the principles of cryoscopy extend beyond simple freezing point measurements. They can also be applied in cryopreservation techniques, where biological samples, such as sperm, eggs, and embryos, are preserved at very low temperatures. Understanding how various substances behave at these temperatures is crucial for improving the success rates of cryopreservation methods, ultimately benefiting fields like reproductive medicine and conservation biology.In conclusion, cryoscopy (冷冻点测定法) is a multifaceted scientific technique that provides valuable insights across various disciplines. Its applications range from determining molecular weights in chemistry to assessing product quality in the food industry and monitoring environmental health. As we continue to explore the complexities of matter and its behaviors under different conditions, the significance of cryoscopy will undoubtedly remain prominent in both research and practical applications.
