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  1. en.wikipedia.org › wiki › Water_filterWater filter - Wikipedia

    Water filter. A water filter removes impurities by lowering contamination of water using a fine physical barrier, a chemical process, or a biological process. Filters cleanse water to different extents, for purposes such as: providing agricultural irrigation, accessible drinking water, public and private aquariums, and the safe use of ponds and ...

  2. Chamberland filter. A Chamberland filter, also known as a Pasteur –Chamberland filter, is a porcelain water filter invented by Charles Chamberland in 1884. [1] It was developed after Henry Doulton's ceramic water filter of 1827. It is similar to the Berkefeld filter in principle.

  3. Animation showing smoothing being applied, passing through the data from left to right. The red line represents the local polynomial being used to fit a sub-set of the data. The smoothed values are shown as circles. A Savitzky–Golay filter is a digital filter that can be applied to a set of digital data points for the purpose of smoothing the data, that is, to increase the precision of the ...

  4. en.wikipedia.org › wiki › Oil_filterOil filter - Wikipedia

    Oil filter. An oil filter is a filter designed to remove contaminants from engine oil, transmission oil, lubricating oil, or hydraulic oil. Their chief use is in internal-combustion engines for motor vehicles (both on- and off-road ), powered aircraft, railway locomotives, ships and boats, and static engines such as generators and pumps.

  5. en.wikipedia.org › wiki › HEPAHEPA - Wikipedia

    HEPA filter corrugated internal structure and aluminium support along with the description of its functioning principle (interception, impact and diffusion of dust particles through a dense non-woven fiber material) HEPA (/ ˈ h ɛ p ə /, high-efficiency particulate air) filter, also known as high-efficiency particulate absorbing filter [citation needed] and high-efficiency particulate ...

  6. en.wikipedia.org › wiki › FilterFilter - Wikipedia

    Filter (software), a computer program to process a data stream. Filter (video), a software component that performs some operation on a multimedia stream. Email filtering, the processing of email to organize it according to specified criteria. Content-control software also known as an Internet filter. Wordfilter, a script typically used on ...

  7. en.wikipedia.org › wiki › Bayer_filterBayer filter - Wikipedia

    A Bayer filter mosaic is a color filter array (CFA) for arranging RGB color filters on a square grid of photosensors. Its particular arrangement of color filters is used in most single-chip digital image sensors used in digital cameras, and camcorders to create a color image. The filter pattern is half green, one quarter red and one quarter ...

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