fume cupboard

简明释义

通风柜

英英释义

例句

1.The laboratory technician opened the fume cupboard to ventilate the area after a spill.

实验室技术员打开通风柜以在泄漏后通风。

2.Always work with hazardous chemicals inside the fume cupboard to ensure safety.

在通风柜内使用危险化学品以确保安全。

3.The fume cupboard is essential for protecting researchers from toxic fumes.

通风柜对于保护研究人员免受有毒烟雾至关重要。

4.Before starting the experiment, make sure all equipment is placed inside the fume cupboard.

在开始实验之前，请确保所有设备都放置在通风柜内。

5.Proper use of the fume cupboard can prevent harmful exposure to volatile substances.

正确使用通风柜可以防止对挥发性物质的有害暴露。

作文

In many scientific laboratories, safety is of utmost importance. One essential piece of equipment that ensures the safety of researchers and students alike is the fume cupboard. A fume cupboard (通风柜) is a ventilated enclosure that is designed to protect users from inhaling hazardous fumes, vapors, or dust generated during chemical experiments. This vital apparatus allows researchers to conduct experiments involving volatile substances while minimizing their exposure to harmful chemicals.The design of a fume cupboard is quite sophisticated. It typically features a front sash that can be adjusted to control airflow and provide access to the workspace inside. The air is drawn into the fume cupboard through this opening, creating a negative pressure environment that helps prevent the escape of harmful substances into the laboratory atmosphere. This mechanism is crucial, as it not only protects the individual working at the bench but also safeguards others in the vicinity.Moreover, fume cupboards are equipped with filters and exhaust systems that further enhance their safety features. Many modern fume cupboards utilize activated carbon filters or HEPA filters to trap harmful particles and gases before the air is expelled outside. This filtration process is essential for ensuring that no toxic substances are released into the environment, thus protecting both the laboratory personnel and the surrounding community.When using a fume cupboard, there are several important safety practices that should be followed. First and foremost, it is crucial to ensure that the fume cupboard is functioning properly before beginning any experiment. Regular maintenance and inspections are necessary to confirm that the ventilation system is working efficiently. Users should also avoid placing their heads inside the fume cupboard or leaning too far forward, as this can compromise the protective barrier created by the airflow.Additionally, it is important to keep the fume cupboard organized and free of clutter. Only the necessary materials for the experiment should be placed inside, as excessive items can disrupt airflow and reduce the effectiveness of the fume cupboard. Furthermore, all chemicals should be properly labeled and stored according to safety guidelines to prevent accidents.In conclusion, the fume cupboard (通风柜) is an indispensable tool in any laboratory setting where hazardous materials are handled. Its ability to protect users from harmful fumes and vapors makes it a critical component of laboratory safety. By adhering to proper usage protocols and maintaining the fume cupboard regularly, researchers can ensure a safe working environment and continue to advance scientific knowledge without compromising health and safety.

在许多科学实验室中，安全是最重要的。确保研究人员和学生安全的重要设备之一就是fume cupboard（通风柜）。fume cupboard是一个通风的封闭空间，旨在保护用户免受在化学实验中产生的有害烟雾、蒸汽或灰尘的吸入。这一重要设备使研究人员能够在尽量减少与有害化学物质接触的情况下进行涉及挥发性物质的实验。fume cupboard的设计相当复杂。它通常具有一个前窗帘，可以调节以控制气流并提供进入内部工作区的通道。空气通过这个开口被吸入fume cupboard，形成负压环境，有助于防止有害物质逸散到实验室空气中。这一机制至关重要，因为它不仅保护在操作台上工作的个人，还保护周围的其他人。此外，fume cupboard配备了过滤器和排气系统，进一步增强了其安全特性。许多现代fume cupboard使用活性炭过滤器或HEPA过滤器来捕获有害颗粒和气体，然后将空气排放到外部。这个过滤过程对确保没有毒性物质释放到环境中至关重要，从而保护实验室人员和周围社区。在使用fume cupboard时，应遵循几项重要的安全操作规程。首先，在开始任何实验之前，确保fume cupboard正常运作至关重要。定期维护和检查是必要的，以确认通风系统有效运行。用户还应避免将头部放入fume cupboard内或过于向前倾斜，因为这可能会破坏气流所形成的保护屏障。此外，保持fume cupboard整洁且无杂物也很重要。只有实验所需的材料应放置在内部，因为过多的物品可能会干扰气流并降低fume cupboard的有效性。此外，所有化学品都应根据安全指南正确标记和存放，以防止意外发生。总之，fume cupboard（通风柜）是任何处理危险材料的实验室环境中不可或缺的工具。它保护用户免受有害烟雾和蒸汽的能力使其成为实验室安全的关键组成部分。通过遵循适当的使用协议并定期维护fume cupboard，研究人员可以确保安全的工作环境，并继续推进科学知识，而不危害健康和安全。