- Which drug has the longest half life?
- How many levels are there in half life?
- Is portal linked to Half Life?
- Is Portal part of Half Life?
- What is half life and how is it calculated?
- How many years are in a half life?
- How old is Chell?
- What happens at the end of Half Life 2?
- What happens at the end of Half Life 1?
- Why is the game called Half Life?
- Is Alyx a Half Life 3?
- How long does it take to complete Half Life 2?
- What is the symbol of Half Life?
- What does half life of 12 hours mean?
- What does a drug’s half life mean?
- How does half life work?
Which drug has the longest half life?
However, there are numerous other drugs with very long half-life, examples are mefloquine 14–41 days (25), amiodarone 21–78 days (26), and oritavancin 393 h (27).
Furthermore, what can be called “long half-life” is always relative to the length of the sampling period..
How many levels are there in half life?
18 levelsHalf-Life is comprised of 18 levels full of action and suspense.
Is portal linked to Half Life?
The link between the Portal series and Half-Life series is that both series are in the same world. As in that they have direct relation to each other. In Portal 2, you see in an Easter Egg of the Borealis, from Half-Life 2 being built.
Is Portal part of Half Life?
Portal is a puzzle game set in the Half-Life universe, developed by Valve Corporation. It was initially released alongside Episode Two in The Orange Box on October 10, 2007. … Portal 2 is the sequel to Portal developed by Valve Corporation. It was released on April 19, 2011.
What is half life and how is it calculated?
The half-life is then determined from the fundamental definition of activity as the product of the radionuclide decay constant, λ, and the number of radioactive atoms present, N. One solves for λ and gets the half-life from the relationship λ = ln2/T1/2.
How many years are in a half life?
So the half-life of that isotope is one hour. Some isotopes have long half-lives – the half-life of U-234 is 245,000 years. Other isotopes have shorter half-lives. I-131, used in thyroid scans, has a half-life of 8.02 days….Half-Life Calculations.IsotopeDecay ModeHalf-LifeTritium (H-3)beta12 years4 more rows
How old is Chell?
Chell is a young woman in her early or mid 20’s.
What happens at the end of Half Life 2?
At the end of the game, a mysterious figure referred to as the G-Man extracts Gordon from Xen, where he defeated the Nihilanth, and “offers” a job to Gordon. Forced to agree, Gordon is subsequently put into stasis for approximately 20 years.
What happens at the end of Half Life 1?
At the end of half life 1 after u kill the ninelath i dont no how to spell it, you meet the mysterious gman at last. He talks to you a bit and then gives you a choice to work for him or to die. If you choose to die, you get teleported to back to xen, unarmed surrounded by hundreds of aliens then the game blacksout.
Why is the game called Half Life?
The name Half-Life was chosen because it was evocative of the theme, not clichéd, and had a corresponding visual symbol: the Greek letter λ (lower-case lambda), which represents the decay constant in the half-life equation.
Is Alyx a Half Life 3?
Half-Life: Alyx is definitely not Half-Life 3. It is a full-fledged game that expands the Half-Life universe. … Many series have VR adaptations or tie-ins, but Valve promised to deliver “the next part of the Half-Life story” in a package that could help take VR mainstream.
How long does it take to complete Half Life 2?
around 15 hoursHalf-Life 2 takes around 15 hours to complete. Gabe Newell says VR has “energized” Valve.
What is the symbol of Half Life?
Half-life (symbol t1⁄2) is the time required for a quantity to reduce to half of its initial value. The term is commonly used in nuclear physics to describe how quickly unstable atoms undergo, or how long stable atoms survive, radioactive decay.
What does half life of 12 hours mean?
If the half-life is 12 hours, you’ll reach a steady state at the beginning of the third day (after 48 hours).
What does a drug’s half life mean?
The definition of elimination half-life is the length of time required for the concentration of a particular substance (typically a drug) to decrease to half of its starting dose in the body.
How does half life work?
A half-life is computed from the directly measured decay constant — it is the amount of time it takes for half the atoms to decay. But, understand that they don’t all decay at the end of the half-life, but rather they are constantly decaying and the half-life is just how long it takes for half of them to decay.