air change

简明释义

换气

英英释义

例句

1.In hospitals, it's crucial to maintain high air change 空气更换 rates to prevent the spread of infections.

在医院中，保持高频率的空气更换以防止感染传播是至关重要的。

2.The ventilation system in the office allows for a minimum of six air changes 空气更换 per hour.

办公室的通风系统每小时至少允许进行六次空气更换。

3.To improve indoor air quality, we installed a system that provides eight air changes 空气更换 per hour.

为了改善室内空气质量，我们安装了一个每小时提供八次空气更换的系统。

4.After cooking, it’s recommended to increase the air change 空气更换 to remove smoke and odors quickly.

烹饪后，建议增加空气更换以快速去除烟雾和气味。

5.The building code requires at least four air changes 空气更换 in residential spaces for adequate air quality.

建筑规范要求住宅空间至少进行四次空气更换以确保空气质量合格。

作文

Air quality is a crucial aspect of our living environment, and one of the key factors that influence it is the rate of air change. The term air change refers to the process of replacing stale indoor air with fresh outdoor air. This process is vital for maintaining healthy indoor air quality, as it helps to dilute pollutants, reduce humidity levels, and provide adequate oxygen for occupants. In buildings, especially those that are tightly sealed for energy efficiency, proper air change becomes even more important. Without sufficient air change, harmful substances such as carbon dioxide, volatile organic compounds (VOCs), and other allergens can accumulate, leading to various health problems such as headaches, fatigue, and respiratory issues.To achieve an optimal rate of air change, various ventilation systems can be employed. Natural ventilation, which relies on windows and doors being opened to allow fresh air in, can be effective in mild climates. However, in extreme weather conditions, mechanical ventilation systems become necessary. These systems can include exhaust fans, air handling units, and heat recovery ventilators that ensure a constant flow of air change. By implementing these systems, building managers can control the indoor environment more effectively and promote the well-being of the occupants.The recommended rate of air change varies depending on the type of building and its usage. For residential spaces, a typical recommendation is to achieve at least 0.35 air change per hour, meaning that the entire volume of air within the home should be replaced every three hours. In commercial buildings, especially those with high occupancy rates, the need for air change can be higher. For example, hospitals and laboratories often require multiple air change rates per hour to ensure a sterile and safe environment.Moreover, the importance of air change has been highlighted in recent times due to the COVID-19 pandemic. As the virus spreads primarily through airborne transmission, ensuring adequate air change in public spaces has become critical. Many organizations have re-evaluated their ventilation strategies to increase air change rates, thereby reducing the risk of virus transmission among individuals. This shift not only protects public health but also raises awareness about the significance of indoor air quality.In conclusion, understanding the concept of air change is essential for creating a healthy indoor environment. Whether in residential or commercial settings, maintaining an adequate rate of air change can significantly impact the health and comfort of occupants. With advancements in technology and increased awareness of air quality, we can better manage air change and ensure a healthier future for all. By prioritizing ventilation and adopting effective strategies, we can create spaces that support well-being and productivity while minimizing health risks associated with poor indoor air quality.

空气质量是我们生活环境中的一个关键方面，而影响它的一个重要因素就是空气更换率。术语空气更换率指的是用新鲜的室外空气替换陈旧的室内空气的过程。这个过程对于维持健康的室内空气质量至关重要，因为它有助于稀释污染物、降低湿度水平，并为居住者提供足够的氧气。在建筑物中，尤其是为了提高能源效率而密封得很好的建筑，适当的空气更换率变得更加重要。如果没有足够的空气更换率，有害物质如二氧化碳、挥发性有机化合物（VOCs）和其他过敏原可能会积聚，导致各种健康问题，如头痛、疲劳和呼吸问题。为了实现最佳的空气更换率，可以采用各种通风系统。自然通风依赖于窗户和门的打开，以允许新鲜空气进入，在温和的气候中可能是有效的。然而，在极端天气条件下，机械通风系统变得必要。这些系统可以包括排风扇、空气处理单元和热回收通风器，以确保空气更换率的恒定流动。通过实施这些系统，建筑管理者可以更有效地控制室内环境，促进居住者的健康。推荐的空气更换率因建筑类型和用途而异。对于住宅空间，典型的建议是每小时至少达到0.35的空气更换率，这意味着家中的整个空气体积应每三小时更换一次。在商业建筑中，尤其是那些高占用率的建筑，所需的空气更换率可能更高。例如，医院和实验室通常需要每小时多次的空气更换率以确保无菌和安全的环境。此外，最近由于COVID-19大流行，空气更换率的重要性得到了强调。由于该病毒主要通过空气传播，因此确保公共场所的足够空气更换率变得至关重要。许多组织重新评估了他们的通风策略，以增加空气更换率，从而降低个体之间病毒传播的风险。这一转变不仅保护了公共健康，还提高了人们对室内空气质量重要性的认识。总之，理解空气更换率的概念对于创造健康的室内环境至关重要。无论是在住宅还是商业环境中，维持适当的空气更换率都能显著影响居住者的健康和舒适度。随着技术的进步和对空气质量的关注增加，我们可以更好地管理空气更换率，确保所有人的健康未来。通过优先考虑通风和采用有效策略，我们可以创造支持健康和生产力的空间，同时最小化与差的室内空气质量相关的健康风险。