The pump exhaust should lead to the open air or a fume hood.
抽气泵的排气管应该导向室外空旷处或导向一座通风橱。
Fume hood selection, installation and use even more important.
通风柜的选用、安装和使用更加重要。
Fume hood should be provided in each regular chemical analysis laboratory.
每个常规化学分析室都要有通风橱。
These actions may increase turbulence and reduce the effectiveness of fume hood containment.
这些动作会增加扰动并降低通风柜的防护性能。
Each fume hood shall be 2 electricity outputs, one cold-water faucet complying with owner's requirement.
每个通风柜有2个电器插座，一个冷水龙头来满足用户的要求。
The fume hood exhaust system should be set up independently, not the common duct, but can not use fire duct.
通风橱的排风系统宜独立设置，不宜共用风道，更不能借用消防风道。
Labs with the highest levels of service are situated near the top of the building, minimizing fume hood exhaust runs.
具有最高服务水平的实验室靠近建筑的顶部，最大程度地减少通风口的排气。
Each Fume Hood will be equipped with one cold water faucet and maximum to seven various gas faucet according to laboratory specialists' requirement.
每一个通风柜标准配置为一个冷水龙头，此外根据实验室专家要求可以配置最多7个不同的气体龙头。
Exterior light Fixture: Fluorescent lights are mounted outside the fume hood chamber for improved safety, increased operating life and convenient service.
外部电灯组件：荧光灯安装于通风柜室外部，以提高安全，增加操作寿命以及方便服务。
Room air current velocities in the vicinity of fume hoods should be as low as possible, ideally less than 30 percent of the face velocity of the fume hood.
通风柜附近的扰流流速应尽可能低，理想的流速应低于通风柜设计面风速的30%。
The fume hood is the main safety in lab. In order to control harmful material leakage and keep the experiment working properly, the face velocity must be controlled efficiently.
通风柜是实验室中主要的安全设备，为了控制有害物质的外溢和保证实验正常进行，必须有效地控制罩面风速。
PERCHLORIC acid heated above ambient temperatures shall only be used in a chemical fume hood specifically designed for its use and identified as follows: for PERCHLORIC acid OPERATIONS.
需加热高氯酸至环境温度之上的操作，需在特殊设计的通风柜内进行，且应在此通风柜上标注：高氯酸实验专用。
PERCHLORIC acid heated above ambient temperatures shall only be used in a chemical fume hood specifically designed for its use and identified as follows: for PERCHLORIC acid OPERATIONS.
需加热高氯酸至环境温度之上的操作，需在特殊设计的通风柜内进行，且应在此通风柜上标注：高氯酸实验专用。
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