fume cupboard

简明释义

排烟柜

英英释义

例句

1.Before starting any chemical reaction, ensure that the fume cupboard is functioning properly.

在开始任何化学反应之前，确保通风橱正常运作。

2.Always conduct experiments involving volatile chemicals inside the fume cupboard.

在进行涉及挥发性化学品的实验时，务必在通风橱内进行。

3.The fume cupboard helps to minimize exposure to harmful fumes.

使用通风橱可以减少接触有害烟雾的风险。

4.The laboratory's fume cupboard is equipped with an efficient ventilation system.

实验室的通风橱配备了高效的通风系统。

5.Students are required to wear safety goggles when working in the fume cupboard.

学生在通风橱内工作时必须佩戴安全护目镜。

作文

In a modern laboratory, safety is of utmost importance. One of the essential pieces of equipment that ensures the safety of researchers and students is the fume cupboard. A fume cupboard (通风柜) is a ventilated enclosure that protects users from exposure to hazardous fumes, vapors, and dust generated during experiments. It serves as a crucial barrier between harmful substances and the individuals working in the lab. The design of a fume cupboard allows for the safe handling of volatile chemicals, thus minimizing the risk of inhalation or contact with dangerous materials.The primary function of a fume cupboard is to provide proper ventilation. When chemicals are used, they can release toxic fumes into the air. Without adequate ventilation, these fumes can accumulate and pose serious health risks, including respiratory problems and long-term illnesses. Therefore, when researchers work with hazardous substances, they must do so within the confines of a fume cupboard, which is designed to draw air away from the user and filter it before releasing it back into the atmosphere.Additionally, a fume cupboard is equipped with sash windows that can be adjusted to control the amount of airflow. By keeping the sash at the appropriate height, users can maximize their safety while still having access to their work. This feature not only enhances safety but also improves comfort while conducting experiments. Researchers can focus on their work without constantly worrying about the potential dangers of harmful fumes.Moreover, the construction of a fume cupboard is made from materials that resist corrosion and damage from various chemicals. This durability ensures that the fume cupboard can withstand the rigors of daily use in a laboratory setting. Furthermore, many fume cupboards come with built-in alarms that alert users if the ventilation system fails or if there are any other issues that could compromise safety. This added layer of security is vital for maintaining a safe working environment.Training on the proper use of a fume cupboard is also an essential aspect of laboratory safety protocols. New users, whether students or staff, must learn how to operate the fume cupboard correctly. This training includes understanding how to adjust the sash, recognizing the signs of malfunction, and knowing what to do in case of an emergency. By ensuring that all personnel are well-informed about the functions and limitations of the fume cupboard, laboratories can significantly reduce the likelihood of accidents and injuries.In conclusion, the fume cupboard (通风柜) is an indispensable component of any laboratory where hazardous materials are handled. Its ability to provide controlled ventilation and protect users from toxic fumes makes it a critical safety device. As science continues to advance and more complex experiments are conducted, the role of the fume cupboard will only become more vital. Ensuring that all laboratory personnel are trained in its use and maintenance will help create a safer working environment, allowing researchers to focus on their important work without compromising their health and safety.