air particle

简明释义

气粒空气质点

英英释义

例句

1.Researchers found that air particles from vehicle emissions significantly affect urban air quality.

研究人员发现，来自车辆排放的空气颗粒显著影响城市空气质量。

2.During the experiment, we observed how air particles interact with different gases.

在实验过程中，我们观察了空气颗粒如何与不同气体相互作用。

3.High levels of air particles can lead to respiratory issues for sensitive individuals.

高水平的空气颗粒可能导致敏感个体出现呼吸问题。

4.The scientist measured the concentration of air particles in the polluted city to assess air quality.

科学家测量了污染城市中空气颗粒的浓度，以评估空气质量。

5.The filter was designed to capture air particles smaller than 2.5 micrometers.

该过滤器旨在捕获小于2.5微米的空气颗粒。

作文

Air is a mixture of gases that surrounds us, and it is essential for life on Earth. One of the fundamental components of air is the air particle, which refers to the tiny molecules that make up the atmosphere. These air particles are primarily composed of nitrogen (about 78%), oxygen (about 21%), and other trace gases such as carbon dioxide, argon, and water vapor. Understanding the nature of air particles is crucial for various scientific fields, including meteorology, environmental science, and health studies.The size of an air particle is incredibly small, typically measured in micrometers or nanometers. Despite their minuscule size, these air particles play a significant role in the Earth's climate and weather patterns. For instance, when sunlight passes through the atmosphere, it interacts with air particles and can be scattered or absorbed, leading to phenomena such as blue skies during the day and beautiful sunsets at dusk.Moreover, air particles can also carry pollutants and allergens, which can have adverse effects on human health. For example, fine particulate matter (PM2.5) consists of air particles that are less than 2.5 micrometers in diameter and can penetrate deep into the lungs, causing respiratory issues and cardiovascular diseases. Therefore, monitoring air particles and their concentrations in the atmosphere is vital for public health and safety.In addition to their impact on health, air particles are also crucial for understanding climate change. The presence of certain air particles, such as carbon dioxide and methane, contributes to the greenhouse effect, trapping heat in the atmosphere and leading to global warming. Scientists study these air particles to develop models that predict future climate scenarios and to create strategies for mitigating the effects of climate change.Furthermore, air particles are involved in various natural processes. For example, they play a key role in the formation of clouds. Water vapor in the atmosphere condenses around air particles to form droplets, which eventually coalesce to create clouds. This process is essential for precipitation, which replenishes freshwater supplies on Earth.In conclusion, air particles are fundamental to our understanding of the atmosphere and its various functions. They influence weather patterns, affect human health, contribute to climate change, and are involved in natural processes like cloud formation. By studying air particles, scientists can gain insights into the complex interactions within the atmosphere and work towards a healthier and more sustainable environment for future generations.

空气是包围我们的气体混合物，对地球上的生命至关重要。空气的一个基本组成部分是空气粒子，它指的是构成大气的微小分子。这些空气粒子主要由氮（约占78%）、氧（约占21%）和其他微量气体如二氧化碳、氩气和水蒸气组成。理解空气粒子的性质对气象学、环境科学和健康研究等多个科学领域至关重要。空气粒子的大小极其微小，通常以微米或纳米为单位进行测量。尽管它们的尺寸微不足道，但这些空气粒子在地球的气候和天气模式中扮演着重要角色。例如，当阳光透过大气时，它会与空气粒子相互作用，可能被散射或吸收，从而导致白天的蓝天和黄昏的美丽日落等现象。此外，空气粒子还可以携带污染物和过敏原，这可能对人类健康产生不利影响。例如，细颗粒物（PM2.5）由直径小于2.5微米的空气粒子组成，能够深入肺部，导致呼吸问题和心血管疾病。因此，监测大气中的空气粒子及其浓度对于公共健康和安全至关重要。除了对健康的影响外，空气粒子对于理解气候变化也至关重要。某些空气粒子的存在，如二氧化碳和甲烷，助长了温室效应，将热量困住在大气中，导致全球变暖。科学家研究这些空气粒子以开发预测未来气候情景的模型，并制定减缓气候变化影响的策略。此外，空气粒子还参与各种自然过程。例如，它们在云的形成中发挥关键作用。大气中的水蒸气在空气粒子周围凝结形成水滴，最终聚合形成云。这一过程对降水至关重要，为地球补充淡水资源。总之，空气粒子是我们理解大气及其各种功能的基础。它们影响天气模式，影响人类健康，助长气候变化，并参与诸如云形成等自然过程。通过研究空气粒子，科学家可以深入了解大气中的复杂相互作用，并致力于为未来几代人创造一个更健康、更可持续的环境。