condensation nucleus

简明释义

凝结中心

英英释义

例句

1.Cloud formation begins when water vapor condenses around a condensation nucleus (凝结核) in the atmosphere.

云的形成始于水蒸气在大气中围绕一个凝结核（凝结核）凝结。

2.In meteorology, understanding how condensation nuclei (凝结核) affect precipitation is crucial.

在气象学中，了解凝结核（凝结核）如何影响降水是至关重要的。

3.Smoke particles often act as condensation nuclei (凝结核) in the atmosphere, aiding cloud development.

烟雾颗粒通常作为大气中的凝结核（凝结核），促进云的发展。

4.When humidity is high, more condensation nuclei (凝结核) can lead to larger raindrops.

当湿度高时，更多的凝结核（凝结核）可能导致更大的雨滴。

5.The presence of aerosols can increase the number of condensation nuclei (凝结核) available for cloud formation.

气溶胶的存在可以增加可用于云形成的凝结核（凝结核）的数量。

作文

In the study of atmospheric science, one term that frequently arises is condensation nucleus. A condensation nucleus is a small particle, typically ranging from 0.01 to 10 micrometers in diameter, that serves as a core for the condensation of water vapor. These nuclei are essential for cloud formation and precipitation processes. Without these tiny particles, water vapor would remain in a gaseous state, making it difficult for clouds to develop.The presence of condensation nuclei in the atmosphere is crucial for various meteorological phenomena. For instance, when warm, moist air rises, it cools and expands. If this air reaches its dew point, water vapor begins to condense around the condensation nuclei, forming tiny droplets. This process is fundamental to the formation of clouds. The more condensation nuclei present in the atmosphere, the more cloud droplets can form, which can lead to different types of weather patterns.There are several types of condensation nuclei, including salt particles from ocean spray, dust from the land, and even biological particles like pollen. Each type of nucleus can influence the properties of the clouds formed. For example, salt nuclei tend to create larger droplets, which can lead to heavier rainfall, while dust particles might result in smaller droplets that contribute to haze.Understanding the role of condensation nuclei is also vital in addressing climate change. As the climate warms, the concentration and composition of condensation nuclei may change, potentially affecting cloud formation and precipitation patterns. This could have significant implications for water resources, agriculture, and ecosystems.In addition to their role in natural processes, condensation nuclei are also important in pollution studies. Human activities release various particles into the atmosphere, which can act as condensation nuclei. These anthropogenic particles can alter the natural balance of the atmosphere, leading to changes in cloud properties and climate. For instance, soot from burning fossil fuels can create darker clouds that absorb more sunlight, contributing to warming.In conclusion, condensation nuclei are fundamental components of our atmosphere that facilitate the transition of water vapor into liquid droplets. They play a critical role in cloud formation, weather patterns, and climate dynamics. By studying condensation nuclei, scientists can gain insights into not only the processes that govern our weather but also the broader impacts of human activity on the environment. Understanding these tiny particles helps us appreciate the complexity of the atmosphere and the delicate balance that sustains life on Earth.

在大气科学的研究中，一个常常出现的术语是凝结核。凝结核是一个小颗粒，通常直径范围在0.01到10微米之间，它作为水蒸气凝结的核心。这些核对于云的形成和降水过程至关重要。如果没有这些微小的颗粒，水蒸气将保持气态状态，使得云的形成变得困难。凝结核在大气中的存在对于各种气象现象至关重要。例如，当温暖潮湿的空气上升时，它会冷却并膨胀。如果这股空气达到露点，水蒸气就会开始围绕凝结核凝结，形成微小的水滴。这个过程是云形成的基础。大气中凝结核的数量越多，能形成的云滴就越多，这可能导致不同类型的天气模式。有几种类型的凝结核，包括来自海洋喷雾的盐颗粒、来自陆地的尘土，甚至还有像花粉这样的生物颗粒。每种类型的核都可以影响形成的云的特性。例如，盐核往往会产生较大的水滴，这可能导致更强的降雨，而尘土颗粒可能导致较小的水滴，从而形成雾霭。理解凝结核的作用在应对气候变化方面也至关重要。随着气候变暖，凝结核的浓度和组成可能会发生变化，从而影响云的形成和降水模式。这可能对水资源、农业和生态系统产生重大影响。除了在自然过程中发挥作用外，凝结核在污染研究中也很重要。人类活动向大气中释放各种颗粒，这些颗粒可以充当凝结核。这些人为粒子可能会改变大气的自然平衡，导致云的特性和气候的变化。例如，燃烧化石燃料产生的烟灰可以形成更暗的云，这些云吸收更多的阳光，从而导致变暖。总之，凝结核是我们大气中的基本成分，它们促进水蒸气转变为液滴。它们在云的形成、天气模式和气候动态中发挥着关键作用。通过研究凝结核，科学家们可以深入了解支配我们天气的过程以及人类活动对环境的广泛影响。理解这些微小的颗粒帮助我们欣赏大气的复杂性和维持地球生命的微妙平衡。