n.
a breathing device for administering long-term artificial respiration
同义词：inhalator
a protective mask with a filter; protects the face and lungs against poisonous gases
同义词：gasmaskgas helmet
Respirators
Respirators
Respirators
Automatic regulation of respirators
Surgical Masks vs N95 Respirators for Preventing Influenza—Reply
Performance of N95 Respirators: Filtration Efficiency for Airborne Microbial and Inert Particles
Particle-loaded microfiber sheet product and respirators made therefrom
Do N95 respirators provide 95% protection level against airborne viruses, and how adequate are surgical masks?
Filter Performance of N99 and N95 Facepiece Respirators Against Viruses and Ultrafine Particles
Evaluation of single-use masks and respirators for protection of health care workers against mycobacterial aerosols
Manikin-based performance evaluation of N95 filtering-facepiece respirators challenged with nanoparticles.
The diaphragm and dyspnea. Evidence from inhibiting diaphragmatic activity with respirators
Filtration performance of NIOSH-approved N95 and P100 filtering facepiece respirators against 4 to 30 nanometer-size nanoparticles.
