active dust

简明释义

放射性尘埃;

英英释义

例句

1.The researchers found that the presence of active dust 活跃尘埃 in the air contributed to respiratory issues.

研究人员发现，空气中存在的活跃尘埃 active dust 导致了呼吸问题。

2.The scientists studied how active dust 活跃尘埃 affects climate change.

科学家们研究了活跃尘埃 active dust 如何影响气候变化。

3.The active dust 活跃尘埃 in the laboratory was a concern for safety regulations.

实验室中的活跃尘埃 active dust 是安全法规关注的问题。

4.During the cleanup, we discovered that active dust 活跃尘埃 had settled on all surfaces.

在清理过程中，我们发现活跃尘埃 active dust 已经在所有表面上沉积。

5.To reduce allergies, it is important to regularly clean areas with active dust 活跃尘埃 accumulation.

为了减少过敏，定期清洁有活跃尘埃 active dust 积累的区域非常重要。

作文

In the realm of environmental science, the term active dust refers to particulate matter that is not only suspended in the air but also plays a significant role in various ecological and atmospheric processes. This active dust can originate from natural sources such as deserts, volcanic eruptions, and even oceanic waves, or it can be a byproduct of human activities like construction, mining, and industrial operations. Understanding the implications of active dust is crucial for both environmental health and climate change discussions.One of the primary concerns regarding active dust is its impact on air quality. When these particles are suspended in the atmosphere, they can travel vast distances, affecting regions far from their source. For instance, dust storms originating in the Sahara Desert can carry active dust across the Atlantic Ocean, influencing weather patterns and air quality in places like the Caribbean and the southeastern United States. The inhalation of active dust can lead to respiratory problems in humans and animals, making it essential to monitor and manage these particles effectively.Moreover, active dust plays a pivotal role in climate regulation. These particles can influence cloud formation and precipitation patterns. When active dust particles enter the atmosphere, they can serve as nuclei around which moisture condenses, leading to cloud formation. This process can either enhance rainfall in certain areas or contribute to drought conditions in others, depending on the concentration and type of active dust present. Additionally, some studies suggest that active dust can affect the Earth's radiative balance by reflecting sunlight back into space or absorbing heat, thereby influencing global temperatures.The ecological effects of active dust are also noteworthy. In many regions, active dust is a vital nutrient source for soils, particularly in arid and semi-arid environments. For example, the deposition of active dust from the Sahara provides essential minerals to the Amazon rainforest, promoting biodiversity and supporting various ecosystems. However, excessive active dust can lead to soil degradation and reduced agricultural productivity, highlighting the need for a balanced approach to managing these particles.In conclusion, the concept of active dust encompasses a wide array of environmental interactions that are critical to understanding our planet's health. From influencing air quality and climate patterns to providing nutrients for ecosystems, active dust is a multifaceted component of our environment. As we face challenges related to climate change and air pollution, recognizing the significance of active dust will be essential for developing effective strategies to mitigate its impacts and harness its benefits. By fostering a deeper understanding of active dust, we can better protect our environment and promote sustainability for future generations.

在环境科学领域，术语active dust指的是不仅悬浮在空气中，而且在各种生态和大气过程中发挥重要作用的颗粒物。这种active dust可以来源于自然源，如沙漠、火山喷发，甚至海洋波浪，或者是建筑、采矿和工业活动等人类活动的副产品。理解active dust的影响对环境健康和气候变化讨论至关重要。关于active dust的主要关注点之一是其对空气质量的影响。当这些颗粒悬浮在大气中时，它们可以远距离传播，影响远离其源头的地区。例如，来自撒哈拉沙漠的沙尘暴可以将active dust带到大西洋，影响加勒比海和美国东南部的天气模式和空气质量。吸入active dust可能导致人类和动物的呼吸问题，因此有效监测和管理这些颗粒至关重要。此外，active dust在气候调节中也扮演着关键角色。这些颗粒可以影响云的形成和降水模式。当active dust颗粒进入大气时，它们可以作为水分凝结的核，从而导致云的形成。这个过程可以在某些地区增强降雨，或者在其他地区造成干旱，具体取决于存在的active dust的浓度和类型。此外，一些研究表明，active dust可以通过将阳光反射回太空或吸收热量来影响地球的辐射平衡，从而影响全球温度。active dust的生态影响同样值得注意。在许多地区，active dust是土壤的重要营养来源，特别是在干旱和半干旱环境中。例如，来自撒哈拉的active dust沉积为亚马逊雨林提供了必需的矿物质，促进生物多样性并支持各种生态系统。然而，过量的active dust可能导致土壤退化和农业生产力下降，强调了对这些颗粒进行平衡管理的必要性。总之，active dust的概念涵盖了一系列与环境相互作用的内容，这对于理解我们星球的健康至关重要。从影响空气质量和气候模式到提供生态系统所需的营养，active dust是我们环境中多面向的组成部分。随着我们面临气候变化和空气污染相关的挑战，认识到active dust的重要性将对制定有效的减轻其影响和利用其益处的策略至关重要。通过加深对active dust的理解，我们可以更好地保护我们的环境，并为未来几代人促进可持续发展。