nucleus of condensation

简明释义

凝结核

英英释义

例句

1.Dust particles often serve as a nucleus of condensation (凝结核) in the atmosphere.

尘埃颗粒常常在大气中作为nucleus of condensation（凝结核）。

2.In meteorology, a nucleus of condensation (凝结核) is essential for raindrop formation.

在气象学中，nucleus of condensation（凝结核）对于雨滴的形成是必不可少的。

3.The nucleus of condensation (凝结核) can influence weather patterns by facilitating cloud development.

通过促进云的发展，nucleus of condensation（凝结核）可以影响天气模式。

4.Without a nucleus of condensation (凝结核), moisture in the air would not condense into liquid.

没有nucleus of condensation（凝结核），空气中的水分将无法凝结成液体。

5.The formation of clouds begins with a nucleus of condensation (凝结核) that attracts water vapor.

云的形成始于一个nucleus of condensation（凝结核），它吸引水蒸气。

作文

The phenomenon of cloud formation is a fascinating aspect of meteorology that captures the interest of many. One of the key processes involved in this transformation from vapor to liquid is the concept of the nucleus of condensation. This term refers to the tiny particles in the atmosphere, such as dust, pollen, or salt, that serve as the foundation for water vapor to condense upon. Without these nuclei, the process of cloud formation would be significantly hindered, if not impossible. When warm air rises, it expands and cools. As it cools, the water vapor present in the air begins to lose energy and transitions into liquid water. However, this transition requires a surface on which the water molecules can gather. This is where the nucleus of condensation comes into play. These particles provide a surface for the water molecules to adhere to, allowing droplets to form. In the absence of a nucleus of condensation, water vapor can remain in a gaseous state even when temperatures drop below the dew point. This phenomenon is known as supersaturation, and it can lead to the formation of fog or mist under certain conditions. However, without adequate condensation nuclei, these droplets may never reach a size sufficient to fall as precipitation. The presence of various types of condensation nuclei can also influence the characteristics of clouds. For instance, clouds formed over oceans often contain salt particles from sea spray, while those over urban areas may have soot and other pollutants. These variations can affect not only the appearance of clouds but also their behavior and the type of precipitation they produce. Understanding the role of the nucleus of condensation is crucial for meteorologists, especially when predicting weather patterns. Accurate weather forecasting relies on models that take into account the presence and concentration of these nuclei in the atmosphere. For example, during a storm, meteorologists analyze how the availability of condensation nuclei might affect the intensity of rainfall. More nuclei can lead to more droplets forming, which can result in heavier precipitation. In conclusion, the nucleus of condensation is an essential component in the process of cloud formation and precipitation. By providing surfaces for water vapor to condense upon, these tiny particles enable clouds to form and evolve. Their presence significantly impacts weather patterns and phenomena, making them a vital subject of study in the field of meteorology. As we continue to explore the complexities of our atmosphere, understanding the intricacies of the nucleus of condensation will remain fundamental to advancing our knowledge of weather and climate.

云形成现象是气象学中一个引人入胜的方面，吸引了许多人的兴趣。这个从水蒸气到液体转变的关键过程之一就是凝结核的概念。这个术语指的是大气中的微小颗粒，如灰尘、花粉或盐，它们作为水蒸气凝结的基础。如果没有这些核，云的形成过程将受到显著阻碍，甚至是不可能的。当暖空气上升时，它会膨胀并冷却。随着温度的降低，空气中存在的水蒸气开始失去能量并转变为液态水。然而，这一转变需要一个表面供水分子聚集。在这里，凝结核发挥了作用。这些颗粒为水分子提供了附着的表面，使得水滴得以形成。在没有凝结核的情况下，即使温度降到露点以下，水蒸气也可以保持气态。这种现象被称为过饱和，并且在某些条件下可能导致雾或薄雾的形成。然而，如果没有足够的凝结核，这些水滴可能永远无法达到足够的大小以降落为降水。不同类型的凝结核的存在也会影响云的特性。例如，形成于海洋上的云通常含有来自海浪喷雾的盐颗粒，而城市地区的云则可能含有烟尘和其他污染物。这些变化不仅会影响云的外观，还会影响它们的行为和产生的降水类型。理解凝结核的作用对气象学家至关重要，尤其是在预测天气模式时。准确的天气预报依赖于考虑到大气中这些核的存在和浓度的模型。例如，在暴风雨期间，气象学家分析凝结核的可用性如何影响降雨强度。更多的核可以导致形成更多的水滴，这可能导致更大的降水量。总之，凝结核是云形成和降水过程中一个不可或缺的组成部分。通过为水蒸气提供凝结的表面，这些微小颗粒使云得以形成和演变。它们的存在显著影响天气模式和现象，使其成为气象学研究的重要主题。随着我们继续探索大气的复杂性，理解凝结核的细微之处将始终是推动我们对天气和气候知识进步的基础。