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half-life
ˈhalf-life Also half life. 1. A life of half the full length; an unsatisfactory way of life. Also attrib., denoting a size of painting half life-size.1864 Atlantic Monthly XIII. 157 (title) A half-life and half a life. 1867 D. G. Rossetti Let. 25 July (1965) II. 624 He would prefer a half-life scale...
Oxford English Dictionary
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Half-Life
Celebrate 25 years of Half-life by decorating your desktop and mobile phone. Half-Life is back and better than ever. Alongside interviews with the original developers, the game is now available with the Uplink mini-campaign, Steam Deck support, updated graphics settings, new multiplayer maps, and some bonus restored goodies.
www.half-life.com
Combine (Half-Life)
prequel Half-Life: Alyx. The Combine are again the primary antagonist in the prequel Half-Life: Alyx, taking place between Half-Life and Half-Life 2.
wikipedia.org
en.wikipedia.org
Half-Life (Franchise) - Giant Bomb
Half-Life: Decay. Decay. Developed by Gearbox Software, Half-Life: Decay was a PS2-only single-player and cooperative expansion to the original Half-Life. Players take on the roles of doctors Gina Cross and Colette Green as they fight for survival after the resonance cascade severely damages the Black Mesa facility.
www.giantbomb.com
Half-Life | Half-Life Wiki | Fandom
Half-Life, stylized as HλLF-LIFE, is a science fiction first-person shooter developed and published by Valve. The player takes the perspective of the scientist Gordon Freeman who struggles to escape an underground research facility after a failed experiment causes a massive alien invasion through a dimensional rift. Designed initially for Microsoft Windows and later brought to other platforms ...
half-life.fandom.com
Half-Life Calculator
Nov 21, 2023Half-life is defined as the time required for half of the unstable nuclei to undergo their decay process. Each substance has a different half-life. For example, carbon-10 has a half-life of only 19 seconds, making it impossible for this isotope to be encountered in nature. Uranium-233, on the other hand, has a half-life of about 160 000 years.
www.omnicalculator.com
Half-Life Calculator
This calculator computes any of the values in the half-life formula given the rest values. It also converts between half-life, mean lifetime, ...
www.calculator.net
half-life
half-lifen time taken for the radioactivity of a substanceto fall to half its original value 半衰期(某物质的放射性元素由原有量衰减到一半所需的时间).
牛津英汉双解词典
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Half-Life: Alyx
The Half-Life Alyx Soundtrack was released in installments following the launch of the game. All 11 chapters, which follow the chapters of Half-Life: Alyx itself, can be downloaded on Steam Music, and are available to stream and purchase on all major music platforms.
www.half-life.com
Half-life - Wikipedia
Half-life (symbol t ½) is the time required for a quantity (of substance) to reduce to half of its initial value.The term is commonly used in nuclear physics to describe how quickly unstable atoms undergo radioactive decay or how long stable atoms survive. The term is also used more generally to characterize any type of exponential (or, rarely, non-exponential) decay.
en.wikipedia.org
Designing a Formula? **QUESTION:** > The half-life of a drug is the time it takes for a dose to reduce to half its initial amount. A doctor prescribes a 4mg sleeping pill with a half-life of 24 hours. > > Write down...
If the quantity reduce to $1/2=2^{-1}$ in $24 $ hours than the quantity $m$ at $ h$ hours is: $$ m=m_02^{-(\frac{h}{24})} $$ where $m_0$ is the initial dose.
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Half-Life 2
include Half-Life: Source (ports of the original Half-Life and Day of Defeat mod to the new engine). The Soundtrack of Half-Life 2, containing most of the music from Half-Life 2 and many tracks from the original Half-Life, was included with the Half-Life
wikipedia.org
en.wikipedia.org
SteamVR - Valve Corporation - Half-Life
The Half-Life saga is the story of Gordon Freeman, a physicist who finds himself at the center of resistance to an alien invasion that threatens the future of humanity. From Valve's 1998 debut game onward, the series has been at the forefront of immersive action and storytelling. In March 2020, that legacy continues as Half-Life: Alyx pushes VR ...
www.half-life.com
www.half-life.com
Finding original amount in half-life problem Say the half-life of an element is 1590 years. If 10g of the element is left after 1000 years, how much was there originally?
Since $$\text{Amount remaining} =\text{Original Amount} \times \bigg(\frac{1}{2}\bigg)^{\text{number of half lives}} $$ solve for $X$ in the equation $$10 = X \times \bigg(\frac{1}{2}\bigg)^{\frac{1000}{1590}}$$
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Half-Life
Half-Life、Half-life或类似名称可以指:
半衰期,放射性物质浓度每降低一半所消耗的时间
生物半衰期,物质在生物体内,失去一半的药理、生理或放射性效应所需的时间
-{zh-hans:半衰期系列;zh-hant:战栗时空系列;}-,第一人称射击游戏系列
半衰期 (游戏),该系列第一款游戏
wikipedia.org
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