absolute vapour pressure

简明释义

绝对蒸汽压力

英英释义

例句

1.As altitude increases, the absolute vapour pressure 绝对蒸汽压 of water decreases.

随着海拔的升高，水的绝对蒸汽压 absolute vapour pressure 会降低。

2.Engineers must calculate the absolute vapour pressure 绝对蒸汽压 to design safe pressure vessels.

工程师必须计算绝对蒸汽压 absolute vapour pressure 以设计安全的压力容器。

3.The absolute vapour pressure 绝对蒸汽压 of water increases with temperature.

水的绝对蒸汽压 absolute vapour pressure 随着温度的升高而增加。

4.In the distillation process, knowing the absolute vapour pressure 绝对蒸汽压 is crucial for efficiency.

在蒸馏过程中，了解绝对蒸汽压 absolute vapour pressure 对于效率至关重要。

5.The absolute vapour pressure 绝对蒸汽压 of a liquid can be measured using a manometer.

可以使用压力计测量液体的绝对蒸汽压 absolute vapour pressure。

作文

Understanding the concept of absolute vapour pressure is essential in various fields, including chemistry, meteorology, and engineering. Absolute vapour pressure refers to the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases at a given temperature in a closed system. This means that it measures the tendency of a substance to evaporate or sublimate, which is crucial for predicting how substances behave under different conditions.In chemistry, absolute vapour pressure plays a significant role in determining the physical properties of liquids and solids. For instance, when a liquid is heated, its molecules gain energy and move more vigorously. As a result, some of these molecules escape into the vapor phase, creating pressure above the liquid. The absolute vapour pressure increases with temperature because more molecules have enough energy to overcome intermolecular forces and enter the vapor phase.In practical applications, understanding absolute vapour pressure helps chemists design processes involving distillation, evaporation, and condensation. For example, in distillation, a mixture of liquids is separated based on their differing absolute vapour pressures. Components with lower boiling points will have higher absolute vapour pressures and will vaporize first, allowing for effective separation.Meteorologists also rely on the concept of absolute vapour pressure to predict weather patterns and humidity levels. The absolute vapour pressure of water vapor in the air is a key factor in determining relative humidity, which affects precipitation, cloud formation, and overall climate conditions. By measuring the absolute vapour pressure of water vapor, meteorologists can better understand atmospheric processes and make more accurate weather forecasts.Furthermore, in engineering, particularly in the design of heating and cooling systems, absolute vapour pressure is critical for ensuring that systems operate efficiently. Engineers must consider the absolute vapour pressure of refrigerants when designing air conditioning units and refrigeration systems. If the absolute vapour pressure is not adequately managed, it can lead to system failures or reduced efficiency.In conclusion, the term absolute vapour pressure encapsulates an important physical property that influences many scientific and practical applications. From chemistry to meteorology and engineering, grasping the significance of absolute vapour pressure allows professionals to make informed decisions and predictions about the behavior of substances in various states. As we continue to explore the complexities of matter and energy, the understanding of absolute vapour pressure will remain a fundamental aspect of scientific inquiry and application.

理解绝对蒸气压的概念在化学、气象和工程等多个领域中至关重要。绝对蒸气压是指在封闭系统中，某一物质在一定温度下与其凝聚相处于热力学平衡时所施加的蒸气压力。这意味着它测量了物质蒸发或升华的倾向，这对于预测物质在不同条件下的行为至关重要。在化学中，绝对蒸气压在确定液体和固体的物理性质方面发挥着重要作用。例如，当液体被加热时，其分子获得能量并变得更加活跃。因此，这些分子中的一些会逃逸到蒸气相中，产生液体上方的压力。随着温度的升高，绝对蒸气压增加，因为更多的分子拥有足够的能量克服分子间的力而进入蒸气相。在实际应用中，理解绝对蒸气压帮助化学家设计涉及蒸馏、蒸发和冷凝的过程。例如，在蒸馏过程中，液体混合物根据其不同的绝对蒸气压进行分离。沸点较低的组分将具有较高的绝对蒸气压，因此会先蒸发，从而实现有效分离。气象学家也依赖于绝对蒸气压的概念来预测天气模式和湿度水平。空气中水蒸气的绝对蒸气压是决定相对湿度的关键因素，这影响降水、云的形成和整体气候条件。通过测量水蒸气的绝对蒸气压，气象学家可以更好地理解大气过程，并做出更准确的天气预报。此外，在工程领域，特别是在供暖和制冷系统的设计中，绝对蒸气压对于确保系统高效运行至关重要。工程师在设计空调设备和制冷系统时必须考虑制冷剂的绝对蒸气压。如果绝对蒸气压未得到妥善管理，可能导致系统故障或效率降低。总之，术语绝对蒸气压概括了一个重要的物理属性，影响许多科学和实际应用。从化学到气象再到工程，掌握绝对蒸气压的重要性使专业人士能够就各种状态下物质的行为做出明智的决策和预测。随着我们继续探索物质和能量的复杂性，对绝对蒸气压的理解将始终是科学探究和应用的基本方面。