air exchange

简明释义

换气

英英释义

The process of replacing stale or contaminated air in a space with fresh air from outside.

将空间内陈旧或受污染的空气与外部新鲜空气进行更换的过程。

A measure of how effectively air circulates within a building or room, often related to ventilation systems.

衡量空气在建筑物或房间内循环效率的指标,通常与通风系统相关。

例句

1.The greenhouse employs fans to enhance air exchange 空气交换 for optimal plant growth.

温室使用风扇来增强空气交换空气交换以实现最佳植物生长。

2.The ventilation system in the building ensures proper air exchange 空气交换 to maintain indoor air quality.

建筑物的通风系统确保适当的空气交换空气交换以维持室内空气质量。

3.Proper air exchange 空气交换 is crucial in laboratories to ensure safety and prevent contamination.

在实验室中,适当的空气交换空气交换对于确保安全和防止污染至关重要。

4.In urban areas, air exchange 空气交换 can be limited due to pollution and high-density buildings.

在城市地区,由于污染和高密度建筑,空气交换空气交换可能受到限制。

5.During the winter months, it's important to facilitate air exchange 空气交换 to prevent moisture buildup.

在冬季,促进空气交换空气交换以防止湿气积聚是很重要的。

作文

Air quality is a crucial aspect of our daily lives, impacting not only our health but also our overall well-being. One significant factor that influences air quality is the process of air exchange, which refers to the movement of outdoor air into a building and indoor air out of it. This exchange is vital for maintaining fresh air inside enclosed spaces, especially in urban environments where pollution levels can be high. Understanding how air exchange works can help us create healthier living conditions.In residential buildings, air exchange occurs through various means, including natural ventilation, mechanical systems, and infiltration. Natural ventilation happens when windows and doors are opened, allowing fresh air to enter while stale air exits. This method is often the most energy-efficient but relies heavily on weather conditions and the design of the building. On the other hand, mechanical ventilation systems, such as HVAC units, actively control the air exchange rate by using fans to circulate air. These systems can filter and condition the air, providing a more consistent and controlled environment.Infiltration, another component of air exchange, occurs when outside air leaks into a building through cracks and openings in walls, windows, and roofs. While some infiltration is necessary for air exchange, excessive amounts can lead to energy loss and increased heating or cooling costs. Therefore, it is essential to find a balance between adequate ventilation and energy efficiency.The importance of air exchange becomes even more apparent in commercial buildings, where large numbers of people congregate. In these settings, proper air exchange can significantly reduce the risk of airborne diseases spreading among occupants. For instance, during the COVID-19 pandemic, public health guidelines emphasized the need for improved ventilation and air exchange to mitigate virus transmission. Businesses were encouraged to enhance their ventilation systems to ensure a higher turnover of fresh air, thereby protecting employees and customers alike.Moreover, the role of air exchange extends beyond just health considerations. It also affects the energy efficiency of buildings. A well-designed air exchange system can reduce the workload on heating and cooling systems, leading to lower energy bills. In contrast, inadequate air exchange can cause indoor air quality issues, such as the buildup of pollutants and humidity, which can damage structures and lead to costly repairs.To optimize air exchange, building owners and managers should regularly assess their ventilation systems and make necessary adjustments. This includes checking for leaks, ensuring filters are clean, and evaluating the performance of mechanical ventilation systems. Additionally, incorporating smart technology can help monitor and control air exchange rates, adapting them based on occupancy levels and outdoor air quality.In conclusion, air exchange is a fundamental process that plays a vital role in maintaining healthy indoor environments. By understanding its mechanisms and implementing effective strategies, we can improve air quality, enhance comfort, and promote well-being in our homes and workplaces. As we continue to face challenges related to air pollution and public health, prioritizing air exchange will be essential for creating sustainable and safe living spaces.

空气质量是我们日常生活中的一个关键方面,不仅影响我们的健康,也影响我们的整体幸福感。影响空气质量的一个重要因素是空气交换的过程,它指的是室外空气进入建筑物和室内空气排出的运动。这种交换对于在封闭空间内保持新鲜空气至关重要,尤其是在城市环境中,污染水平可能很高。理解空气交换的工作原理可以帮助我们创造更健康的生活条件。在住宅建筑中,空气交换通过多种方式发生,包括自然通风、机械系统和渗透。自然通风发生在窗户和门打开时,允许新鲜空气进入,同时陈旧空气排出。这种方法通常是最节能的,但在很大程度上依赖于天气条件和建筑设计。另一方面,机械通风系统,如暖通空调(HVAC)设备,通过使用风扇主动控制空气交换速率,循环空气。这些系统可以过滤和调节空气,提供更一致和可控的环境。渗透是空气交换的另一个组成部分,当外部空气通过墙壁、窗户和屋顶的裂缝和开口泄漏到建筑物内时,就会发生这种情况。虽然一些渗透对空气交换是必要的,但过量的渗透可能导致能源损失和增加的供暖或制冷成本。因此,找到适当的通风与能源效率之间的平衡至关重要。在商业建筑中,空气交换的重要性变得更加明显,因为大量人群聚集在这些场所。在这些环境中,适当的空气交换可以显著降低空气传播疾病在居住者之间传播的风险。例如,在COVID-19大流行期间,公共卫生指南强调了改善通风和空气交换以减轻病毒传播的必要性。企业被鼓励增强其通风系统,以确保新鲜空气的更高周转,从而保护员工和顾客。此外,空气交换的作用不仅限于健康考虑。它还影响建筑的能源效率。设计良好的空气交换系统可以减少供暖和制冷系统的工作负荷,从而降低能源账单。相反,空气交换不足可能导致室内空气质量问题,例如污染物和湿气的积聚,这可能损害结构并导致昂贵的维修。为了优化空气交换,建筑业主和管理者应定期评估其通风系统并进行必要的调整。这包括检查泄漏、确保过滤器清洁以及评估机械通风系统的性能。此外,结合智能技术可以帮助监测和控制空气交换速率,根据占用水平和室外空气质量进行调整。总之,空气交换是一个基本过程,在维持健康的室内环境中发挥着至关重要的作用。通过理解其机制和实施有效的策略,我们可以改善空气质量,提高舒适度,并促进我们家庭和工作场所的福祉。随着我们继续面临与空气污染和公共健康相关的挑战,优先考虑空气交换将对创造可持续和安全的生活空间至关重要。