latent heat of sublimation

简明释义

升华潜热

英英释义

例句

1.When ice turns directly into vapor, it absorbs the latent heat of sublimation 升华潜热 from the surrounding environment.

当冰直接变成蒸气时，它从周围环境中吸收了升华潜热 latent heat of sublimation。

2.The latent heat of sublimation 升华潜热 is crucial in understanding how dry ice behaves when exposed to air.

理解干冰在空气中暴露时的行为，升华潜热 latent heat of sublimation 是至关重要的。

3.In meteorology, the latent heat of sublimation 升华潜热 plays a role in cloud formation.

在气象学中，升华潜热 latent heat of sublimation 在云的形成中起着作用。

4.Understanding the latent heat of sublimation 升华潜热 helps engineers design better refrigeration systems.

理解升华潜热 latent heat of sublimation 有助于工程师设计更好的制冷系统。

5.The process of snow disappearing on a warm day involves the latent heat of sublimation 升华潜热 as well.

雪在温暖的日子里消失的过程也涉及到升华潜热 latent heat of sublimation。

作文

The concept of latent heat of sublimation is a fascinating topic in the field of thermodynamics and phase changes. To understand this term, we need to first break down what sublimation means. Sublimation is the process where a substance transitions directly from a solid state to a gas state without passing through the liquid phase. This phenomenon is commonly observed in substances like dry ice (solid carbon dioxide) and iodine. The latent heat of sublimation refers to the amount of energy required to convert a unit mass of a solid into a gas at constant temperature and pressure. This energy is absorbed by the substance as it undergoes this phase change.In practical terms, the latent heat of sublimation is crucial for understanding various natural processes and industrial applications. For instance, in the context of meteorology, the sublimation of snow or ice can significantly affect weather patterns and climate. When snow sublimates, it can contribute to humidity levels in the atmosphere, which in turn can influence precipitation. Additionally, understanding the latent heat of sublimation can help scientists predict how quickly ice will melt in warmer temperatures, an important factor in climate change studies.Moreover, in the realm of food preservation, sublimation plays a key role in freeze-drying processes. During freeze-drying, food is first frozen, and then the pressure is lowered to allow the frozen water in the food to sublimate directly into vapor. This method preserves the food's nutritional value and flavor while extending its shelf life. The latent heat of sublimation is essential in this process because it determines how much energy is needed to remove moisture from the food effectively.Understanding the latent heat of sublimation also has implications in the field of physics and chemistry. It is a critical factor in calculations involving energy transfer during phase changes. For example, when designing systems that involve refrigeration or air conditioning, engineers must account for the latent heat of sublimation to ensure efficiency and effectiveness in temperature control.In summary, the latent heat of sublimation is not just a theoretical concept; it has real-world applications that impact our daily lives, from weather patterns to food preservation and energy systems. By studying this phenomenon, we gain insight into the fundamental principles of energy transfer and phase changes, which are essential for advancements in science and technology. As we continue to explore the intricacies of thermodynamics, the significance of the latent heat of sublimation will undoubtedly remain a topic of interest and importance in various fields of study.

“升华潜热”是热力学和相变领域中的一个迷人话题。要理解这个术语，我们首先需要分解升华的含义。升华是指一种物质在不经过液态阶段的情况下，直接从固态转变为气态的过程。这种现象通常在干冰（固态二氧化碳）和碘等物质中观察到。“升华潜热”是指在恒定温度和压力下，将单位质量的固体转化为气体所需的能量。该能量在物质经历这一相变时被吸收。在实际应用中，“升华潜热”对于理解各种自然过程和工业应用至关重要。例如，在气象学的背景下，雪或冰的升华可以显著影响天气模式和气候。当雪升华时，它可以增加大气中的湿度水平，从而影响降水。此外，理解“升华潜热”可以帮助科学家预测冰在温暖温度下融化的速度，这是气候变化研究中的一个重要因素。此外，在食品保存领域，升华在冷冻干燥过程中起着关键作用。在冷冻干燥过程中，食品首先被冷冻，然后降低压力以使食品中的冰冻水直接升华为蒸汽。这种方法在延长食品保质期的同时保持了其营养价值和风味。“升华潜热”在这一过程中至关重要，因为它决定了有效去除食品水分所需的能量。理解“升华潜热”在物理学和化学领域也有重要意义。它是涉及相变过程中能量转移计算的关键因素。例如，在设计涉及制冷或空调的系统时，工程师必须考虑“升华潜热”，以确保温度控制的效率和有效性。总之，“升华潜热”不仅仅是一个理论概念；它具有影响我们日常生活的实际应用，从天气模式到食品保存和能源系统。通过研究这一现象，我们获得了对能量转移和相变基本原理的深入理解，这对科学和技术的进步至关重要。随着我们继续探索热力学的复杂性，“升华潜热”的重要性无疑将继续成为各个研究领域关注和重视的话题。