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concentrator    
n. 使集中的人,浓缩器,选矿机

使集中的人,浓缩器,选矿机

concentrator
汇集器; 集讯机

concentrator
集中器 集线器

Concentrator \Con"cen*tra`tor\, n. (Mining)
1. An apparatus for the separation of dry comminuted ore, by
exposing it to intermittent puffs of air. --Knight.

2. (Firearms) A frame or ring of wire or hard paper fitting
into the cartridge case used in some shotguns, and holding
the shot together when discharged, to secure close
shooting; also, a device for slightly narrowing the bore
at the muzzle for the same purpose.
[Webster 1913 Suppl.] Concentric


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  • Best Home Oxygen Concentrators Of 2025 – Forbes Health
    For individuals with conditions that cause low blood oxygen levels, such as heart failure, asthma and chronic obstructive pulmonary disease (COPD), finding the best home oxygen concentrator is
  • Oxygen Concentrator: Uses, Types and Safety Precautions - WebMD
    What Is an Oxygen Concentrator? An oxygen concentrator is a medical device that gives you extra oxygen Air is made up of about 20% oxygen An oxygen concentrator uses the air in the
  • Amazon. com: Oxygen Concentrator
    Oxygen Generator,2-9L Continuous Oxygen Concentrator for Home,Adjustable Portable Oxygen Concentrator,Two Usage Methods with Accessoires Timer Function
  • 6 Best Home Oxygen Concentrators of 2025 - The National Council on Aging
    A home oxygen concentrator is a medical device used to provide supplemental oxygen for those with breathing conditions, such as lung cancer, asthma, or COPD Unlike an oxygen tank, these devices use electrical pumps to filter nitrogen from the air around you and concentrate oxygen levels
  • How Does an Oxygen Concentrator Work? - Inogen
    An oxygen concentrator uses the surrounding atmosphere to create oxygen-rich air by pulling surrounding air into the oxygen machine, compressing it, purifying it and removing nitrogen and other impurities
  • Oxygen Concentrators: Function, Settings Results - Cleveland Clinic
    An oxygen concentrator is a medical device that separates nitrogen from the air around you so you can breathe up to 95% pure oxygen You may need an oxygen concentrator if you have a condition that affects your breathing Some oxygen concentrators are stationary and run on electricity Others run on batteries and are portable
  • Portable Concentrator Buying Guide
    Which Oxygen Concentrator is right for you? If you are in need of a portable oxygen concentrator but not sure where to start, this guide will cover everything you need to know from how they work, to varying features, and even delve into the different brands on the market today
  • Portable Oxygen: How to Get It, Use It, and Pay for It - GoodRx
    A portable oxygen concentrator (POC) is a convenient way to use oxygen outside of the home Though POCs can be expensive, insurance coverage and financial assistance programs can make them more affordable
  • Welcome to The CPAP Shop
    As we mentioned earlier, The Oxygen Concentrator Supplies Shop is merging with our sister company, The CPAP Shop You are officially invited to explore our site and enjoy a shopping experience designed especially for you You'll now find all your favorite home and portable oxygen concentrators,
  • Home Oxygen Therapy, Oxygen Supplies Equipment | Lincare
    At Lincare, we're committed to providing you the oxygen treatment (as prescribed by your provider) that works best for your lifestyle, healthcare needs, and other factors Our oxygen products include oxygen concentrators, portable oxygen systems, and high-pressure cylinders





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