initial boiling point
简明释义
初始沸点
英英释义
The initial boiling point is the temperature at which a liquid starts to boil under a specified pressure, typically atmospheric pressure. | 初始沸点是指在特定压力下(通常是大气压力)液体开始沸腾的温度。 |
例句
1.Understanding the initial boiling point of different liquids is crucial for chemical safety.
了解不同液体的初始沸点对化学安全至关重要。
2.In the lab, we measured the initial boiling point of the solvent to ensure it was suitable for our experiment.
在实验室,我们测量了溶剂的初始沸点以确保其适合我们的实验。
3.The initial boiling point of ethanol is lower than that of water, which affects distillation processes.
乙醇的初始沸点低于水,这影响了蒸馏过程。
4.The initial boiling point of a mixture can vary depending on its composition.
混合物的初始沸点可能会根据其成分而变化。
5.The initial boiling point of water is 100 degrees Celsius at standard atmospheric pressure.
水的初始沸点在标准大气压下为100摄氏度。
作文
The concept of the initial boiling point is fundamental in the field of chemistry and plays a crucial role in various industrial applications. The initial boiling point refers to the temperature at which a liquid begins to vaporize under a given atmospheric pressure. This property is particularly important when dealing with different substances, as it helps in identifying their physical characteristics and behaviors during heating.Understanding the initial boiling point is essential for scientists and engineers alike. For instance, in the petroleum industry, the initial boiling point of crude oil is a key parameter that determines how the oil will be processed. Different fractions of crude oil are separated based on their boiling points, and knowing the initial boiling point allows for efficient distillation and refining processes. This separation is crucial for producing various fuels and chemicals that are vital for modern society.Moreover, the initial boiling point has implications in environmental science as well. When assessing the volatility of organic compounds, understanding their initial boiling point helps in predicting their behavior in the atmosphere. Substances with low initial boiling points tend to evaporate quickly, which can lead to air pollution and other environmental concerns. Therefore, monitoring these properties is important for regulatory purposes and for minimizing negative impacts on the environment.In laboratory settings, determining the initial boiling point of a substance is often one of the first steps in characterization. Scientists use various methods such as distillation or simple boiling point determination techniques to measure this property accurately. The initial boiling point can also provide insights into molecular interactions and the strength of intermolecular forces within a substance. For example, substances with strong hydrogen bonding typically exhibit higher initial boiling points compared to those with weaker van der Waals forces.Furthermore, the initial boiling point is not only relevant for pure substances but also for mixtures. In the case of solutions, the initial boiling point can be altered by the presence of solutes. This phenomenon is known as boiling point elevation, where the addition of a solute increases the boiling point of the solvent. This principle is widely applied in cooking, where adding salt to water raises its initial boiling point, allowing food to cook more efficiently.In conclusion, the initial boiling point is a significant concept across multiple disciplines, from chemistry and environmental science to industrial applications. Its importance cannot be overstated, as it influences processes ranging from fuel production to environmental assessments. By understanding the initial boiling point, we can better appreciate the physical properties of substances and their implications in real-world scenarios. As we continue to explore the intricacies of chemistry, the initial boiling point will remain a key factor in our understanding of material behavior and application.
“初始沸点”这一概念在化学领域中至关重要,并在各种工业应用中发挥着重要作用。“初始沸点”是指在给定大气压力下,液体开始蒸发的温度。这个特性在处理不同物质时尤为重要,因为它有助于识别它们的物理特性和加热过程中的行为。理解“初始沸点”对科学家和工程师来说都是必不可少的。例如,在石油工业中,原油的“初始沸点”是决定如何加工石油的关键参数。原油的不同馏分是根据它们的沸点分离的,了解“初始沸点”可以提高蒸馏和精炼过程的效率。这种分离对于生产现代社会所需的各种燃料和化学品至关重要。此外,“初始沸点”在环境科学中也有其影响。在评估有机化合物的挥发性时,理解它们的“初始沸点”有助于预测它们在大气中的行为。具有低“初始沸点”的物质往往会迅速蒸发,这可能导致空气污染和其他环境问题。因此,监测这些特性对监管目的和减少对环境的负面影响非常重要。在实验室环境中,确定物质的“初始沸点”通常是表征的第一步。科学家使用蒸馏或简单的沸点测定技术等各种方法来准确测量这一特性。“初始沸点”还可以提供有关分子相互作用和物质内部分子间力强度的见解。例如,具有强氢键的物质通常表现出比那些具有较弱范德华力的物质更高的“初始沸点”。此外,“初始沸点”不仅与纯物质相关,还与混合物相关。在溶液的情况下,溶质的存在可能会改变“初始沸点”。这一现象被称为沸点升高,即溶质的添加会提高溶剂的沸点。这个原理在烹饪中被广泛应用,向水中添加盐会提高其“初始沸点”,从而使食物更有效地烹饪。总之,“初始沸点”是多个学科中的一个重要概念,从化学和环境科学到工业应用。它的重要性不容小觑,因为它影响着从燃料生产到环境评估的过程。通过理解“初始沸点”,我们可以更好地欣赏物质的物理特性及其在现实场景中的影响。随着我们继续探索化学的复杂性,“初始沸点”将始终是我们理解材料行为和应用的关键因素。
相关单词