What is the half life of isotope B?
There are 13 radioisotopes that have been discovered, with mass numbers from 7 to 21, all with short half-lives, the longest being that of 8B, with a half-life of only 770 milliseconds (ms) and 12B with a half-life of 20.2 ms. All other isotopes have half-lives shorter than 17.35 ms.
What drugs have 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.
What is the effective half-life of a drug?
In pharmacokinetics, the effective half-life is the rate of accumulation or elimination of a biochemical or pharmacological substance in an organism; it is the analogue of biological half-life when the kinetics are governed by multiple independent mechanisms.
Why is half-life so important?
Half-life is the time it takes for one-half of the atoms of a radioactive material to disintegrate. Scientists can use the half-life of carbon-14 to determine the approximate age of organic objects. They determine how much of the carbon-14 has transformed. All nuclear reactors produce radioactive waste.
What made Half Life 2 so good?
Half-Life 2 on the other hand was completely uninteresting to me. You’re spot on about it being revolutionary but the combat, environment interaction, and story were huge reasons why it was so well received. It’s a benchmark for FPS games and I feel a lot of people like the way your character handles as well.
Is the half life story good?
Play Half-Life as it was originally, it doesn’t have bad graphics, and if you actually take time to appreciate it then you’ll see that a game shouldn’t be criticised due to age, Half-Life is actually better than a lot of modern games. If you can get past Half-Life’s age, it’s still a lot of fun.
Is Half Life Dead?
News. (Pocket-lint) – For years on end Half Life was edging towards being a joke franchise – one that was never going to be resurrected, no matter how hard its loyal fanbase complained.
What happened Half Life 1?
Theoretical physicist Gordon Freeman must fight his way through, and hopefully out of, the Black Mesa Research Facility, New Mexico, after an experiment intended to research improved teleportation technology goes horribly wrong, and tears open a rift in the space/time continuum between our world and an alien …
Does Portal 2 take place after half life?
Portal 2 takes place a few months after Portal, so Chell could escape Aperture around ten years before HL/HL2, during HL/HL2,ten years before or a few years after BLACK MESA INCIDENT… Half Life 2 takes place 20 years after Half Life, which takes place around 2009- 2012.
Is GLaDOS Chell’s mother?
Portal Theory: Caroline/GLaDOS and Cave Johnson are Chell’s parents. This means that Chell made that experiment (there aren’t a whole lot of other girls named Chell) and is the daughter of an Aperture employee. Specifically the daughter of Cave Johnson and Caroline.
Did Chell die?
It’s most likely she died when she came to the turret opera. Its unclear when Chell died, but she definitely died at the end of Portal 2.