freezing mixture

简明释义

冻结混合物

英英释义

例句

1.The science experiment required a freezing mixture 冷冻混合物 to lower the temperature of the solution quickly.

这个科学实验需要一种冷冻混合物以快速降低溶液的温度。

2.The freezing mixture 冷冻混合物 helped preserve the biological samples during transportation.

这个冷冻混合物在运输过程中帮助保存生物样本。

3.In chemistry class, we learned how to create a freezing mixture 冷冻混合物 using salt and crushed ice.

在化学课上，我们学习了如何使用盐和碎冰制作冷冻混合物。

4.When making homemade gelato, the freezing mixture 冷冻混合物 is crucial for achieving the right texture.

制作自制冰糕时，冷冻混合物对于获得正确的质地至关重要。

5.To make homemade ice cream, you need to prepare a freezing mixture 冷冻混合物 of salt and ice.

制作自制冰淇淋时，你需要准备一份盐和冰的冷冻混合物。

作文

In the world of science, understanding various concepts and their applications is crucial. One such concept that often comes up in chemistry and cooking is the idea of a freezing mixture. A freezing mixture is a combination of substances that, when mixed together, can lower the temperature of a solution below its normal freezing point. This phenomenon is widely used in various fields, including food preservation, cryogenics, and even in the making of ice cream.To comprehend how a freezing mixture works, it is essential to look at the science behind it. Typically, a freezing mixture consists of ice and salt. When salt is added to ice, it dissolves into the water that forms as the ice melts. This process requires energy, which is absorbed from the surrounding environment, resulting in a drop in temperature. Consequently, the mixture can reach temperatures well below 0 degrees Celsius, enabling it to freeze other substances more effectively.The application of a freezing mixture is particularly evident in the culinary arts. For instance, when making homemade ice cream, a freezing mixture is often utilized to achieve the desired consistency and texture. By placing a container of ice cream mixture inside a bowl filled with a freezing mixture of ice and salt, the temperature surrounding the ice cream mixture drops significantly. This rapid cooling process helps to create a smoother and creamier ice cream, as it prevents the formation of large ice crystals.Beyond the kitchen, freezing mixtures play a vital role in scientific experiments and industrial processes. In laboratories, researchers often use freezing mixtures to cool samples quickly or to maintain low temperatures for sensitive reactions. For example, a freezing mixture may be used during the extraction of certain compounds that are temperature-sensitive, ensuring that the integrity of the sample is preserved.In addition to ice and salt, there are other combinations that can create effective freezing mixtures. Some may include dry ice and alcohol, which can achieve even lower temperatures. Understanding the right proportions and methods to create a freezing mixture is essential for achieving the desired results, whether in cooking or scientific research.Moreover, the importance of freezing mixtures extends to environmental science as well. In studying climate change, scientists often examine the effects of temperature on various ecosystems. By utilizing freezing mixtures, they can simulate colder environments to observe how different species react to changes in temperature.In conclusion, the concept of a freezing mixture is not only fascinating but also immensely practical. From making delicious ice cream to conducting critical scientific research, the ability to manipulate temperatures through a freezing mixture opens up a world of possibilities. As we continue to explore and understand these mixtures, we can appreciate their contributions to both our culinary experiences and scientific advancements.

在科学的世界里，理解各种概念及其应用至关重要。其中一个经常出现在化学和烹饪中的概念是冷冻混合物的想法。冷冻混合物是一种物质的组合，当它们混合在一起时，可以将溶液的温度降到正常冰点以下。这一现象广泛应用于食品保存、低温技术，甚至冰淇淋的制作。要理解冷冻混合物的工作原理，首先需要了解其背后的科学。通常，冷冻混合物由冰和盐组成。当盐被加入冰中时，它会溶解在融化的水中。这一过程需要能量，从周围环境中吸收，导致温度下降。因此，混合物的温度可以降到远低于0摄氏度，使其能够更有效地冻结其他物质。冷冻混合物的应用在烹饪艺术中尤为明显。例如，在制作自制冰淇淋时，通常会利用冷冻混合物来达到所需的稠度和口感。通过将冰淇淋混合物的容器放置在装有冰和盐的碗中，冰淇淋混合物周围的温度显著降低。这一快速冷却过程有助于创造出更光滑、更奶油状的冰淇淋，因为它防止了大冰晶的形成。除了厨房之外，冷冻混合物在科学实验和工业过程中也发挥着重要作用。在实验室中，研究人员常常使用冷冻混合物快速冷却样品或保持敏感反应的低温。例如，在提取某些对温度敏感的化合物时，可能会使用冷冻混合物，以确保样品的完整性得以保存。除了冰和盐，还有其他组合可以创建有效的冷冻混合物。一些可能包括干冰和酒精，这可以实现更低的温度。理解创建冷冻混合物的正确比例和方法对于在烹饪或科学研究中获得所需结果至关重要。此外，冷冻混合物的重要性还扩展到环境科学。在研究气候变化时，科学家们常常检查温度对各种生态系统的影响。通过利用冷冻混合物，他们可以模拟寒冷的环境，以观察不同物种如何对温度变化作出反应。总之，冷冻混合物的概念不仅令人着迷，而且极具实用性。从制作美味的冰淇淋到进行关键的科学研究，通过冷冻混合物操纵温度的能力打开了一系列可能性。随着我们继续探索和理解这些混合物，我们可以欣赏它们对我们的烹饪体验和科学进步的贡献。