boiling range

简明释义

沸腾范围

英英释义

例句

1.Different liquids have different boiling ranges, which affect their use in cooking.

不同的液体有不同的沸点范围，这会影响它们在烹饪中的使用。

2.Understanding the boiling range of solvents is crucial for distillation processes.

理解溶剂的沸点范围对蒸馏过程至关重要。

3.Chemists often refer to the boiling range when discussing the properties of a substance.

化学家在讨论物质的性质时常常提到沸点范围。

4.The boiling range of water is typically around 100 degrees Celsius at sea level.

水的沸点范围通常在海平面上约为100摄氏度。

5.The boiling range of crude oil varies, influencing its refining process.

原油的沸点范围各不相同，影响其精炼过程。

作文

The concept of the boiling range is crucial in both chemistry and everyday life. When we think about boiling, we often imagine water reaching a specific temperature where it transforms from a liquid to a gas. However, the reality is more complex. The boiling range refers to the range of temperatures at which a substance transitions from a liquid to a gas. This range can vary significantly depending on the composition of the liquid and the atmospheric pressure surrounding it.For example, pure water has a boiling range that typically sits at 100 degrees Celsius (212 degrees Fahrenheit) at sea level. However, if we were to climb a mountain, the atmospheric pressure decreases, causing the boiling range of water to drop below 100 degrees Celsius. This phenomenon illustrates how environmental factors can influence boiling points. In the world of chemistry, understanding the boiling range is essential for distillation processes. Distillation is a method used to separate mixtures based on differences in their boiling points. For example, in the production of alcoholic beverages, the boiling range of ethanol is lower than that of water, allowing distillers to separate alcohol from water by heating the mixture to a temperature within the boiling range of ethanol. This principle is not only applicable in the food and beverage industry but also in petrochemical refining, where crude oil is separated into various components based on their respective boiling ranges.Moreover, the boiling range is not just a scientific term; it has practical implications in our daily lives. Cooking is a perfect example where understanding the boiling range can enhance our culinary skills. Different foods have varying water contents and therefore different boiling ranges. For instance, when boiling pasta, knowing the optimal temperature and time can make the difference between perfectly cooked noodles and mushy ones. Furthermore, the boiling range can be influenced by the presence of solutes. When salt is added to water, it raises the boiling range, a phenomenon known as boiling point elevation. This is an important consideration in cooking as well, particularly when making sauces or soups where the concentration of salt can impact the overall flavor and texture of the dish.In conclusion, the boiling range is a multifaceted concept that extends beyond the laboratory into our kitchens and industries. By grasping the significance of the boiling range, we can better appreciate the science behind cooking, the intricacies of chemical processes, and the ways in which temperature and pressure interact to affect the state of matter. Whether you are a student of chemistry, a professional chef, or simply someone who enjoys cooking at home, understanding the boiling range can provide valuable insights into the behavior of substances and enhance our practical skills in the kitchen. Ultimately, the boiling range serves as a reminder of the delicate balance between temperature, pressure, and the properties of materials, showcasing the wonders of science in our everyday lives.

“沸腾范围”这一概念在化学和日常生活中都至关重要。当我们想到沸腾时，常常会想象水达到一个特定的温度，从液态转变为气态。然而，现实要复杂得多。“沸腾范围”指的是物质从液体转变为气体的温度范围。这个范围可以根据液体的成分和周围的气压而显著变化。例如，纯水的“沸腾范围”通常在海平面上为100摄氏度（212华氏度）。然而，如果我们爬上山，气压降低，导致水的“沸腾范围”降到100摄氏度以下。这一现象说明了环境因素如何影响沸点。在化学领域，理解“沸腾范围”对于蒸馏过程至关重要。蒸馏是一种基于沸点差异分离混合物的方法。例如，在酿造酒精饮料的过程中，乙醇的“沸腾范围”低于水，因此蒸馏师可以通过将混合物加热到乙醇的“沸腾范围”内来分离酒精。这一原理不仅适用于食品和饮料行业，还适用于石油化工精炼，其中原油根据其各自的“沸腾范围”进行分离。此外，“沸腾范围”不仅是一个科学术语，它在我们的日常生活中也具有实际意义。烹饪就是一个完美的例子，理解“沸腾范围”可以提升我们的烹饪技巧。不同食物的水分含量各不相同，因此“沸腾范围”也不同。例如，煮意大利面的最佳温度和时间的了解，可以让面条的口感从完美变成糊状。此外，溶质的存在会影响“沸腾范围”。当盐加入水中时，它提高了“沸腾范围”，这一现象被称为沸点升高。这在烹饪中也是一个重要的考虑因素，尤其是在制作酱汁或汤时，盐的浓度会影响菜肴的整体风味和口感。总之，“沸腾范围”是一个多方面的概念，它超越了实验室，进入了我们的厨房和工业。通过掌握“沸腾范围”的重要性，我们可以更好地欣赏烹饪背后的科学、化学过程的复杂性，以及温度和压力如何相互作用以影响物质状态的方式。无论你是化学学生、专业厨师，还是仅仅喜欢在家烹饪的人，理解“沸腾范围”都能为我们提供对物质行为的宝贵洞察，并增强我们在厨房中的实用技能。最终，“沸腾范围”提醒我们温度、压力和材料特性之间的微妙平衡，展示了科学在我们日常生活中的奇迹。