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Filtration is a physical separation process that separates solid matter and fluid from a mixture using a filter medium that has a complex structure through which only the fluid can pass. Solid particles that cannot pass through the filter medium are described as oversize and the fluid that passes through is called the filtrate. Oversize particles may form a filter cake on top of the filter and may also block the filter lattice, preventing the fluid phase from crossing the filter, known as blinding. The size of the largest particles that can successfully pass through a filter is called the effective pore size of that filter. The separation of solid and fluid is imperfect; solids will be contaminated with some fluid and filtrate will contain fine particles. Filtration occurs both in nature and in engineered systems; there are biological, geological, and industrial forms.
Portable Network Graphics is a raster-graphics file format that supports lossless data compression. PNG was developed as an improved, non-patented replacement for Graphics Interchange Format (GIF).
A low-pass filter is a filter that passes signals with a frequency lower than a selected cutoff frequency and attenuates signals with frequencies higher than the cutoff frequency. The exact frequency response of the filter depends on the filter design. The filter is sometimes called a high-cut filter, or treble-cut filter in audio applications. A low-pass filter is the complement of a high-pass filter.
In computer networking, a proxy server is a server application that acts as an intermediary between a client requesting a resource and the server providing that resource.
HEPA filter, also known as high-efficiency particulate absorbing filter and high-efficiency particulate arrestance filter, is an efficiency standard of air filter.
Roswell is an American science fiction television series developed, produced, and co-written by Jason Katims. The series debuted on October 6, 1999, on The WB and moved to UPN for the third season. The final episode aired on May 14, 2002. Sixty-one episodes in total were broadcast over the show's three seasons. In the United Kingdom, the show aired as both Roswell High and Roswell.
Elizabeth "Liz" Allan, also known as Elizabeth Allan-Osborn and commonly misspelled as "Liz Allen", is a fictional character appearing in American comic books published by Marvel Comics. The character was created by Stan Lee and Steve Ditko. In the character's earliest appearances, she was a popular girl at the high school Peter Parker attends. She has been a regular supporting character in the various Spider-Man series in an on-and-off basis, and has ties to the Green Goblin and Molten Man.
Elizabeth Lynne Cheney is an American attorney and politician who has been the U.S. Representative for Wyoming's at-large congressional district since 2017. She was deputy assistant secretary of state for near eastern affairs in the George W. Bush administration and chaired the House Republican Conference, the third-highest position in the House Republican leadership, from 2019 to 2021.
Electronic Frontiers Australia Inc. (EFA) is a non-profit Australian national non-government organisation representing Internet users concerned with online liberties and rights. It has been vocal on the issue of Internet censorship in Australia.
A particulate air filter is a device composed of fibrous, or porous materials which removes solid particulates such as dust, pollen, mold, and bacteria from the air. Filters containing an adsorbent or catalyst such as charcoal (carbon) may also remove odors and gaseous pollutants such as volatile organic compounds or ozone. Air filters are used in applications where air quality is important, notably in building ventilation systems and in engines.
SafeSearch is a feature in Google Search and Google Images that acts as an automated filter of pornography and potentially offensive and inappropriate content.
Elizabeth Jane Weekes is an Australian water polo player from the gold medal squad of the 2000 Summer Olympics, when women's water polo was contested for the first time at the Olympic Games. She was the goalkeeper of the Australian team, which beat USA 4–3 in the final game in front of a World record attendance of 17,000 spectators. She also attended Fort Street High School.
Maximiliano Jorge "Max" Caldas is an Argentine field hockey defender, who made his debut for the national squad in 1994, and competed for his native country in the 1996 Summer Olympics and the 2004 Summer Olympics.
Off Centre is an American sitcom that aired on The WB network from October 14, 2001, to October 31, 2002. Created by Chris Weitz, Paul Weitz, and Danny Zuker, the series was heavily promoted as "from the guys who brought you American Pie".
Elizabeth Geary McIntyre, sometimes known as Liz McIntyre, is an American freestyle skier and Olympic medalist. She received a silver medal at the 1994 Winter Olympics in Lillehammer, in moguls. She finished 8th at the 1998 Winter Olympics in Nagano.
Elizabeth "Liz" Gleadle is a Canadian track and field athlete competing in the javelin throw. She competed in the javelin throw event at the 2012 Summer Olympics, finishing 12th in the finals.
Elizabeth Ann "Liz" Barnes is an English former middle-distance runner. She represented Great Britain in the women's 800 metres at the 1976 Montreal Olympics and won a bronze medal in the 800m at the 1980 European Indoor Championships.
Liz Miles is an American rower. She competed in the women's coxed four event at the 1984 Summer Olympics.
References
- ↑ "Liz Filter". Olympedia. Retrieved June 30, 2020.
