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。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。