mean boiling point

简明释义

平均沸点

英英释义

例句

1.To ensure safety in chemical reactions, it's crucial to know the mean boiling point of the substances involved.

为了确保化学反应的安全，了解所涉及物质的平均沸点至关重要。

2.When studying the properties of liquids, scientists often refer to the mean boiling point to understand their behavior.

在研究液体的性质时，科学家们常常提到平均沸点以理解它们的行为。

3.The mean boiling point of ethanol is lower than that of water, making it useful for various applications.

乙醇的平均沸点低于水，这使得它在各种应用中非常有用。

4.The mean boiling point of water is 100 degrees Celsius at sea level.

水的平均沸点在海平面上是100摄氏度。

5.In distillation processes, the mean boiling point helps determine the separation of components.

在蒸馏过程中，平均沸点有助于确定组分的分离。

作文

The concept of the mean boiling point is crucial in the field of chemistry and thermodynamics. It refers to the average temperature at which a substance transitions from a liquid to a gas state under standard atmospheric pressure. Understanding the mean boiling point helps scientists and engineers predict how substances behave when heated, which is essential for various applications such as cooking, industrial processes, and environmental science.When discussing the mean boiling point, it is important to consider the factors that influence this property. For instance, the presence of impurities can alter the boiling point of a liquid. This phenomenon is known as boiling point elevation. When a non-volatile solute is added to a solvent, the mean boiling point of the solution increases compared to that of the pure solvent. This principle is widely used in cooking; for example, adding salt to water raises its boiling point, allowing food to cook more effectively.Another critical aspect related to the mean boiling point is the effect of atmospheric pressure. At higher altitudes, where the atmospheric pressure is lower, the mean boiling point of water decreases. This is why water boils at a lower temperature in mountainous regions, which can affect cooking times and methods. Chefs and food scientists must take these variations into account to ensure that dishes are prepared correctly regardless of location.In industrial settings, the mean boiling point is vital for the design of distillation processes, which separate mixtures based on differences in boiling points. For example, in the petroleum industry, crude oil is separated into various components through fractional distillation. Each component has its own mean boiling point, and understanding these points allows for the efficient extraction of valuable products such as gasoline, diesel, and jet fuel.Furthermore, the mean boiling point plays a significant role in environmental science. When studying the effects of climate change, scientists analyze how the boiling points of various substances might shift due to changes in temperature and pressure. This understanding is crucial for predicting the behavior of pollutants and greenhouse gases in the atmosphere.In conclusion, the mean boiling point is a fundamental concept that permeates various scientific disciplines. Its implications stretch from everyday cooking to complex industrial processes and environmental studies. By grasping the significance of the mean boiling point, individuals can appreciate the intricate relationships between temperature, pressure, and the states of matter, ultimately enhancing their understanding of the world around them. Whether in a laboratory, kitchen, or natural environment, the mean boiling point serves as a key indicator of how substances interact with heat and each other, making it an essential topic for anyone interested in science and technology.

“平均沸点”的概念在化学和热力学领域至关重要。它指的是在标准大气压下，物质从液态转变为气态的平均温度。理解“平均沸点”有助于科学家和工程师预测物质在加热时的行为，这对烹饪、工业过程和环境科学等各种应用至关重要。在讨论“平均沸点”时，考虑影响这一性质的因素非常重要。例如，杂质的存在可以改变液体的沸点。这种现象被称为沸点升高。当非挥发性溶质添加到溶剂中时，溶液的“平均沸点”比纯溶剂的沸点更高。这一原理在烹饪中广泛应用；例如，向水中添加盐会提高其沸点，从而使食物更有效地烹饪。与“平均沸点”相关的另一个关键方面是大气压力的影响。在高海拔地区，由于大气压力较低，水的“平均沸点”降低。这就是为什么水在山区以较低的温度沸腾，这可能影响烹饪时间和方法。厨师和食品科学家必须考虑这些变化，以确保无论在何处都能正确准备菜肴。在工业环境中，“平均沸点”对于蒸馏过程的设计至关重要，该过程根据沸点差异分离混合物。例如，在石油行业，原油通过分馏蒸馏分离成各种组分。每个组分都有自己的“平均沸点”，理解这些点可以有效提取汽油、柴油和喷气燃料等宝贵产品。此外，“平均沸点”在环境科学中也发挥着重要作用。在研究气候变化的影响时，科学家分析由于温度和压力变化而导致的各种物质沸点的变化。这一理解对于预测污染物和温室气体在大气中的行为至关重要。总之，“平均沸点”是一个基本概念，渗透到各个科学学科。它的影响从日常烹饪延伸到复杂的工业过程和环境研究。通过掌握“平均沸点”的重要性，个人可以欣赏温度、压力和物质状态之间的复杂关系，从而增强对周围世界的理解。无论是在实验室、厨房还是自然环境中，“平均沸点”都是物质如何与热量及彼此相互作用的重要指标，使其成为任何对科学和技术感兴趣的人的重要话题。