negative pressure

简明释义

负压

英英释义

例句

1.The laboratory used negative pressure hoods to protect researchers from hazardous fumes.

实验室使用负压通风柜来保护研究人员免受有害烟雾的侵害。

2.During the construction, the workers created negative pressure zones to contain dust and debris.

在施工期间，工人们创建了负压区域，以控制灰尘和碎片。

3.The hospital room was equipped with a ventilation system that maintained negative pressure to prevent contamination from spreading.

医院的病房配备了保持负压的通风系统，以防止污染扩散。

4.The HVAC system in the building was designed to maintain negative pressure in certain areas for safety reasons.

建筑物的暖通空调系统设计为在某些区域保持负压，出于安全原因。

5.In clean rooms, negative pressure is essential to ensure that no contaminants enter the controlled environment.

在洁净室中，确保负压是至关重要的，以确保没有污染物进入受控环境。

作文

In recent years, the term negative pressure has gained significant attention in various fields, especially in healthcare and environmental science. Understanding what negative pressure means and its implications can help us appreciate its importance in our daily lives. Negative pressure refers to a condition where the pressure inside a space is lower than the pressure outside that space. This phenomenon can be observed in several contexts, including medical settings, building ventilation systems, and even natural environments.In healthcare, negative pressure rooms are crucial for controlling the spread of infectious diseases. These specially designed rooms maintain a pressure lower than that of the surrounding areas, ensuring that air flows into the room rather than out of it. This design helps contain airborne pathogens, protecting both healthcare workers and patients from potential infections. For instance, during the COVID-19 pandemic, hospitals utilized negative pressure rooms to treat patients with the virus safely. The effectiveness of these rooms demonstrates how negative pressure can play a vital role in public health.Moreover, negative pressure systems are also prevalent in the construction and maintenance of buildings. Proper ventilation is essential for maintaining indoor air quality, and negative pressure can help achieve this by preventing the infiltration of outdoor pollutants. In commercial kitchens, for example, negative pressure hoods are installed to remove smoke, grease, and odors from the cooking area, ensuring a safe and pleasant environment for staff and customers alike. This application highlights how negative pressure contributes to comfort and safety in various settings.On a larger scale, negative pressure can also be observed in natural phenomena, such as weather patterns. For instance, low-pressure systems can create conditions for storms and precipitation. When the atmospheric pressure drops, it leads to the upward movement of air, which can result in cloud formation and rainfall. Understanding these processes allows meteorologists to predict weather changes more accurately, demonstrating the broader implications of negative pressure beyond just human-made environments.In conclusion, the concept of negative pressure is multifaceted and plays a critical role in various domains, from healthcare to environmental science. By maintaining lower pressure in designated spaces, we can effectively control the spread of diseases, improve air quality, and even understand natural weather patterns. As we continue to explore the applications and effects of negative pressure, it becomes increasingly clear that this phenomenon is not just a technical term but a vital aspect of our health and environment. Embracing the principles behind negative pressure can lead to better practices and innovations that enhance our quality of life.

近年来，术语负压在各个领域，尤其是医疗和环境科学中引起了广泛关注。理解负压的含义及其影响，有助于我们欣赏其在日常生活中的重要性。负压指的是一个空间内部的压力低于该空间外部的压力。这种现象可以在多个上下文中观察到，包括医疗环境、建筑通风系统，甚至自然环境。在医疗领域，负压病房对于控制传染病的传播至关重要。这些专门设计的病房保持的压力低于周围区域，确保空气流入病房而不是流出。这种设计有助于限制空气传播的病原体，保护医护人员和患者免受潜在感染。例如，在COVID-19大流行期间，医院利用负压病房安全地治疗感染该病毒的患者。这些病房的有效性展示了负压在公共健康中的重要作用。此外，负压系统在建筑物的施工和维护中也很普遍。适当的通风对保持室内空气质量至关重要，而负压可以通过防止户外污染物的渗入来实现这一点。在商业厨房中，例如，安装了负压抽油烟机，以去除烹饪区域的烟雾、油脂和气味，确保为员工和顾客提供一个安全舒适的环境。这一应用凸显了负压在各种环境中对舒适性和安全性的贡献。在更大范围内，负压还可以在自然现象中观察到，例如天气模式。例如，低压系统可以产生风暴和降水的条件。当大气压力下降时，会导致空气向上移动，这可能会导致云的形成和降雨。理解这些过程使气象学家能够更准确地预测天气变化，展示了负压在超越人造环境的更广泛影响。总之，负压的概念是多方面的，在医疗、环境科学等多个领域发挥着关键作用。通过在指定空间内保持较低的压力，我们可以有效控制疾病的传播，改善空气质量，甚至理解自然天气模式。随着我们继续探索负压的应用和影响，越来越清楚的是，这一现象不仅仅是一个技术术语，而是我们健康和环境的重要组成部分。拥抱负压背后的原则可以引导我们采取更好的实践和创新，提高我们的生活质量。