Half-life
... the second half-life is from 50% to 25%, and so on. A biological half-life or elimination half-life is the time it takes for a ... "first half-life", "second half-life", etc., where the first half-life is defined as the time required for decay from the ... Instead, the half-life is defined in terms of probability: "Half-life is the time required for exactly half of the entities to ... The biological half-life of caesium in human beings is between one and four months. The concept of a half-life has also been ...
Effective half-life
... half-life of the radionuclide, the two act as parallel paths for elimination of the radioactivity, the effective half-life ... Biological Half-life Biological Effects of Radiation ©1996, Kenneth R. Koehler. Half-life, effective, European Nuclear Society ... An effective half-life of the drug will involve a decay constant that represents the sum of the biological and physical decay ... It reflects the cumulative effect of the individual half-lives, as observed by the changes in the actual serum concentration of ...
Biological half-life
The longer half-life is called the terminal half-life and the half-life of the largest component is called the dominant half- ... Biological half-life (elimination half-life, pharmacological half-life) is the time taken for concentration of a biological ... Half-life, pertaining to the general mathematical concept in physics or pharmacology. Effective half-life "Elimination Half- ... The half-life of a drug is the time required for the serum concentration to be reduced by 50%. Once the half-life of the drug ...
Half-Life: Decay
"About Decay". Half-Life: Decay PC Port. Half-Life Creations. Retrieved September 26, 2008. Gearbox Software (2001). Half-Life: ... Half-Life: Decay is a multiplayer-only expansion pack for Valve's first-person shooter Half-Life. Developed by Gearbox Software ... "Reviews: Half-Life (PS2)". GameSpy. Archived from the original on July 9, 2008. Retrieved October 23, 2008. "Half-Life Q&A". ... Decay is set in the same location and timeframe as Half-Life. Half-Life takes place at a laboratory called the Black Mesa ...
Half-Life: Alyx
The final script ran to 280 pages, compared to 128 pages for Half-Life 2 and 18 for Half-Life. Valve announced Half-Life: Alyx ... "Half-Life: Alyx Cut Enemies That Were Too Scary In VR". GameSpot. Retrieved March 20, 2021. O'Connor, James. "Half-Life: Alyx ... "Original Half-Life Writer Was Very Involved In Half-Life: Alyx". Prima Games. January 24, 2020. Retrieved July 25, 2020. Peel, ... McKeand, Kirk (March 23, 2020). "Half-Life: Alyx review - VR's killer app is a key component in the Half-Life story". VG247. ...
Half-Life (film)
Half-Life was the opening night film for the International Women's Film Festival in Seoul, Korea. The film made a theatrical ... Half-Life is a 2008 movie directed by Jennifer Phang, starring Sanoe Lake, Julia Nickson-Soul, Leonardo Nam, Ben Redgrave, Lee ... Half-Life at IMDb v t e (Articles with short description, Short description is different from Wikidata, Articles lacking ... Their mother Saura (Nickson-Soul) struggles to make ends meet and move on with her life while involved with her manipulative ...
Half-Life (series)
It was bundled with Half-Life in many subsequent packages, including Half-Life: Platinum Pack and Half-Life: Platinum. When ... Several Half-Life games have been canceled, including Half-Life 2: Episode Three, a version of Half-Life 3, and games developed ... Independent of Half-Life: Decay, which was bundled with the retail sales of the PlayStation 2 version of Half-Life. Chris Remo ... Half-Life: Counter-Strike spawned its own series which gradually became separate from the main Half-Life games, bar occasional ...
Half-Life: Delta
... , currently rebranding to Delta Particles since July 2023, is a game modification of Half-Life created by ... McGlynn, Arthur (May 8, 2021). "Half-Life spinoff mod years in the making coming this summer". PCGamesN. "Half-Life: Delta es ... "Half-Life: Delta is a new campaign mod a dozen years in the making". PC Gamer. Heaton, Andrew Paul (May 9, 2021). "Half-Life ... William, Eshan (19 June 2023). "A Russian developer has released a global mod for Half-Life - Delta. He created it for 12 years ...
Half a Life
... may refer to: Half a Life (short story collection), a 1978 anthology of science fiction by Kir Bulychov Half a Life ... Naipaul Half a Life (memoir), a 2011 memoir by Darin Strauss "Half a Life" (Star Trek: The Next Generation), a 1991 episode ... Half-life (disambiguation) This disambiguation page lists articles associated with the title Half a Life. If an internal link ... film), a 1982 film by Romain Goupil Half a Life (novel), a 2001 novel by V.S. ...
Half-Life: Echoes
The mod uses voice lines from the original Half-Life, as well as Half-Life: Opposing Force, Half-Life: Blue Shift, Half-Life: ... "Half-Life: Echoes". Namuwiki. "DÉCOUVREZ HALF-LIFE : ECHOES ET SON CANDIDAT #12". Vossey. May 26, 2020. "Half-Life: Echoes". ... Half-Life: Echoes is a modification of the first-person shooter video game Half-Life created by British developer James " ... As a mod for Half-Life, Half-Life: Echoes is a first-person shooter that differs slightly from the base game. The first part of ...
Planet Half-Life
In addition to the news, Planet Half-Life hosts extensive, in-depth collections of information regarding Half-Life, Half-Life 2 ... Planet Half-Life Archives Planet Half-Life Planet Half-Life Forums (Webarchive template wayback links, Articles lacking ... Planet Half-Life also offered free web hosting for Half-Life themed websites. The web hosting was regulated through GameSpy, ... April 27, 1999, A small fan site known as contaminated.net is relaunched as "Planet Half-Life", covering Half-Life and editing ...
Nairobi Half Life
"Nairobi Half Life: AFI Fest Review". The Hollywood Reporter. Retrieved 3 March 2016. "Nairobi Half Life: KenyaBuzz Movie Review ... Nairobi Half Life (Swahili: Nusu Maisha ya Nairobi) is a 2012 Kenyan drama film directed by David "Tosh" Gitonga. The film was ... "Nairobi Half-life, The Contract, Flower Girl win big at Africa Magic Viewers' Choice Awards - Premium Times Nigeria". Premium ... Nairobi Half Life at IMDb (Articles with short description, Short description is different from Wikidata, Use dmy dates from ...
Action Half-Life
... is a mod for the first-person shooter video game Half-Life. It strives to simulate action movies, especially ... Action Half-life". Rock, Paper, Shotgun. Retrieved 2017-07-04. Meer, Alec (June 8, 2009). "Action Half-Life 2: The Sauce Of ... "Action Half-Life: The 5AM". Rock, Paper, Shotgun. Retrieved 2016-11-09. Kosak, Dave (April 1, 2001). "Action Half-Life: Behind ... Action Half-Life is the second mod in the "Action" series. The first was Action Quake 2 and the third was Action Unreal ...
Half-life (disambiguation)
Half-life, half life or halflife may also refer to: Half-Life (film), a 2008 independent film by Jennifer Phang Half Life: A ... "Half Life", a song by 10 Years from The Autumn Effect "Half Life", a song by Imogen Heap from her album Ellipse "Half Life", a ... Half-Life), a 1988 award-winning dystopia novel by Edmund Wnuk-Lipiński Half Life (3 album) (2001) Halflife (EP), an EP by ... a video game series developed by Valve Half-Life (video game), the first game in the series Half-Life 2, the second game in the ...
Combine (Half-Life)
"Half-Life 2 Enemies". Planet Half-Life. IGN. Archived from the original on October 22, 2006. Retrieved 2008-09-23. "Half-Life 2 ... The Combine are again the primary antagonist in the prequel Half-Life: Alyx, taking place between Half-Life and Half-Life 2. ... "Half-Life 2: Episode One Walkthrough-Chapter 1: Undue Alarm". Planet Half-Life. IGN. Archived from the original on October 10, ... "Half-Life 2: Episode One Walkthrough-Chapter 5: Exit 17". Planet Half-Life. IGN. Archived from the original on October 10, 2012 ...
Half-Life 2
The Soundtrack of Half-Life 2, containing most of the music from Half-Life 2 and many tracks from the original Half-Life, was ... Half-Life: Alyx. Like the original Half-Life (1998), Half-Life 2 is a single-player first-person shooter (FPS) in which players ... Development of Half-Life 2 began in June 1999, six months after the release of the original Half-Life. It was developed by a ... Half-Life 2 was simultaneously released through Steam, CD, and on DVD in several editions. Through Steam, Half-Life 2 had three ...
Half-Life (Krach novel)
Half-Life was published to critical acclaim by Alyson Books in 2004. Of Half-Life, Reed Business Information wrote "Gay readers ... Half-Life is a debut novel by Aaron Krach. Published in 2004 by Alyson Books, the novel was nominated for a Violet Quill Award ... Krach, Aaron (2004). Half-life: a novel. Alyson Books. ISBN 1-55583-854-5. OCLC 53971973. Retrieved October 26, 2009. Alyson ... Many of the familiar landmarks will remain-his best friend Dart riding shotgun; the suburban house where he lives with his dad ...
The Half Known Life
... ' upends the conventional travel genre". National Public Radio. Clement, Paul. "The Half Known Life: Finding ... The Half Known Life: In Search of Paradise is a book by Pico Iyer which was published on January 23, 2023 by Penguin Books.. ... The Half Known Life' Review: Chasing Dreams of Paradise". The Wall Street Journal. Retrieved 2023-01-24. Kapoor, Mini (2023-01- ... ISBN 978-93-5492-885-7. Krishnan, Nikhil (2023-01-08). "The Half Known Life by Pico Iyer review: around the world in 80 clichés ...
Half-Life: Opposing Force
... is an expansion pack for the first-person shooter game Half-Life. It was developed by Gearbox ... Archived official website Half-Life: Opposing Force at MobyGames Portals: 1990s Horror Science fiction Video games Half-Life: ... "Half-Life: Opposing Force Weapons". Planet Half-Life. GameSpy. Archived from the original on October 17, 2008. Retrieved ... "Half-Life: Generation". MobyGames. Retrieved April 1, 2016.[permanent dead link] "Half-Life 1: Anthology". IGN. Retrieved April ...
Half-Life (video game)
It was followed by Half-Life 2 (2004), Half-Life 2: Episode One (2006), Half-Life 2: Episode Two (2007), and Half-Life: Alyx ( ... and Half-Life 2: Episode Two (2007). After cancelling several other Half-Life projects, Valve released Half-Life: Alyx in 2020 ... "breaks down pretty cleanly into pre-Half-Life and post-Half-Life eras". In 2021, the Guardian ranked Half-Life the third- ... Half-Life exited PC Data's monthly top 20 in June. Half-Life became the fifth-bestselling PC game of the first half of 1999 in ...
Half a Life (novel)
Half a Life is a 2001 novel by Nobel laureate V. S. Naipaul published by Alfred A. Knopf. The novel is set in India, Africa and ... Half a Life is a prequel to Naipaul's 2004 novel Magic Seeds which starts with Willie in Berlin. "V S Naipaul". Booker Prize. ... There he leads a life as a different man with an interesting background 'oriental' and fakes the facts of his life. Later in ... Half a Life was long listed for the Booker prize (2001). Willie Somerset Chandran is the son of a Brahmin father and a Dalit ...
Locations of Half-Life
At the beginning of Half-Life, one such crystal, revealed in Half-Life 2: Episode Two to have been provided by the G-Man, is ... Valve (2005). Half-Life 2: Lost Coast (PC). Dulin, Ron (2008-11-20). "Half-Life for PC Review". GameSpot. Archived from the ... "Enemies of Half-Life 2". Planet Half-Life. Archived from the original on October 22, 2006. Retrieved 2015-06-24.{{cite web}}: ... "Half-Life 2 Walkthrough: Black Mesa East". Planet Half-Life. IGN. Archived from the original on 2012-11-13. Retrieved 2008-08- ...
Half-Life: Blue Shift
"Half-Life Week, Day 2: The Half-Life Blues Shift". IGN. May 8, 2001. Retrieved October 26, 2008. Gearbox Software (2001). Half- ... Half-Life: Blue Shift is an expansion pack for the first-person shooter video game Half-Life (1998). It was developed by ... "Half-Life: Blue Shift Q&A". GameSpot. May 3, 2001. Retrieved October 26, 2008. Ajami, Amer (May 18, 2001). "E3 2001: Half-Life ... "Beta Half-Life for Sega Dreamcast". nextdimension. Retrieved July 28, 2013. Bramwell, Tom (August 25, 2005). "Free Half-Life 1 ...
Half-Life E.P.
... is an EP released by Local H in 2001. It was released as a teaser for their album Here Comes the Zoo, which ... "Local H - Half-Life E.P." Discogs. (Articles with short description, Short description is different from Wikidata, Articles ... "Half-Life" (Scott Lucas, Brian St. Clair) - 3:39 "Static Age" (Glenn Danzig) - 2:42 "25 or 6 to 4" (Robert Lamm) - 3:51 "Stick ...
Half a Life (film)
Half a Life (French: Mourir à 30 ans) is a 1982 film directed by Romain Goupil, which won the Caméra d'Or and Award of the ... Half a Life at IMDb v t e v t e (Articles lacking sources from November 2014, All articles lacking sources, Articles with short ...
Context-sensitive half-life
If an infusion has reached steady state then the context-sensitive half-life is equal to the terminal plasma half-life of the ... context-sensitive half-life is equal to elimination half-life Only free drug that is in the plasma is metabolised Metabolism ... context-sensitive half-life is shorter than elimination half-life Only free drug that is in the plasma is metabolised Overall ... Context-sensitive half-life or context sensitive half-time is defined as the time taken for blood plasma concentration of a ...
Half Life (Jackson novel)
Half Life is the 2006 debut novel of American writer and artist Shelley Jackson. The novel presupposes an alternate history in ... Half Life received mixed-to-positive reviews; Newsweek called it "brilliant and funny," and The New York Times, while praising ...
Half-Life 2: Deathmatch
Two weeks after the initial release of Half-Life 2, Valve revealed and released Half-Life 2: Deathmatch on Steam. Deathmatch ... like Half-Life's multiplayer, does not develop any part of the plot or story of the Half-Life series. Deathmatch includes some ... "Half-Life 2 Deathmatch Official?". IGN. Archived from the original on March 24, 2014. Retrieved March 24, 2014. "Half-Life 2: ... which allowed NVIDIA graphics card users to download and play Half-Life 2: Deathmatch along with Portal: First Slice, Half-Life ...
Unreleased Half-Life games
Between Half-Life 2: Episode Two (2007) and Half-Life: Alyx (2020), Valve canceled at least five Half-Life games, including ... Half-Life is a series of first-person shooter games developed and published by Valve, beginning with the original Half-Life, ... was developing a Half-Life expansion pack to follow Half-Life: Opposing Force. 2015, Inc declined to comment. On March 18, 2000 ... "Half-Life 2: Episode Two". Metacritic. Retrieved August 18, 2020. "Half-Life 2: Episode One gold, Two dated, Three announced". ...
Half-life of knowledge
The half-life of knowledge or half-life of facts is the amount of time that has to elapse before half of the knowledge or facts ... These ideas of half-life applied to different fields differ from the concept of half-life in physics in that there is no ... The concept of "half-life of knowledge" is attributed to Fritz Machlup (1962). Half-life Pessimistic induction Scientometrics ... An engineering degree went from having a half life of 35 years in ca. 1930 to about 10 years in 1960. A Delphi Poll showed that ...