查询词典 respirators

For those respirators without a metal nosepiece, no adjustment is possible.

如果没有金属鼻夹，就没有办法调整。

A:The EPA lists more than five hundred antimicrobial products registered by the EPA specifically against influenza A virus.1 However, 3M has not evaluated if these products will damage the cleanable elements of the respirators.

答：EPA注册的适用于甲型流感病毒的抗菌产品有五百多种[1]，但3M未对这些产品是否适用于呼吸器部件的消毒进行过评价。

Other elastomeric respirators with permanent filter cartridges are designed to be disposed of when the cartridges need to be replaced.

而有些设计成与过滤元件固定式组合的橡胶面罩，会在过滤元件需要更换时一起废弃。

Disposable or filtering facepiece respirators are a type of respiratory protection in which the entire respirator facepiece is comprised of filter material.

随弃式呼吸防护口罩是呼吸器的一种，呼吸防护口罩的面罩整体都是由过滤材料构成的。

Typical use by dates for filtering facepiece respirators are in the three to five year range for product stored in the conditions specified on the packaging.

在包装上规定的存放条件下，随弃式呼吸防护口罩的有效存放期通常为制造之日起3至5年。

Q16:What is the shelf life of 3M's filtering facepiece respirators?

问16：3M随弃式呼吸防护口罩的存放期是多长时间？

Reusable elastomeric respirators are a type of respiratory protection that has a flexible, rubber-like facepiece with either permanent or removable filter cartridges.

可重复使用式呼吸器面罩是一种有弹性的，通常为橡胶材质的面罩，可以使用固定的或可更换的过滤元件。

Respirator users should not attempt to decontaminate filtering facepiece respirators as it may create a health hazard for the user and it may render the respirator ineffective in providing respiratory protection.

在这个期间，制订应急计划时，雇主仍然需要依据制造商的使用说明、FDA标签的声明和NIOSH的使用指引，一次性使用随弃式呼吸防护口罩。

It is important to note that other National Institute for Occupational Safety and Health-certified N-, R-, or P- filtering facepiece respirators (e.g., N99, R95, and P100) provide an equivalent or greater level of exposure reduction to airborne particulates as an N95 and can be used if N95s are not available.

有一点需要注意的是，如果无法获得N95级别的产品，美国国家职业安全健康研究所认证的N-、R-或P-类随弃式呼吸防护口罩（如N99、R95和P100级别）都对空气中悬浮颗粒物具有与N95等效的甚至更高的防护水平。

Some filtering facepiece respirators have an exhalation valve which can reduce breathing resistance, reduce moisture buildup inside the respirator and increase work tolerance and comfort for respirator users.

有些随弃式呼吸防护口罩还带有呼气阀，呼气时可以降低阻力，减少面罩内湿热空气的积聚，提高工作中呼吸器使用人员的耐受性和舒适性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。