Page 4. Beta decay is a radioactive process in which an electron is emitted from the nucleus of a radioactive atom, along with an unusual particle called an antineutrino.The neutrino is an almost massless particle that carries away some of the energy from the decay process.age 4. Beta decay is a radioactive process in which an electron is emitted from the nucleus of a radioactive atom, along with an unusual particle called an antineutrino.
There is also a 12-hour extended-release form of pseudoephedrine; it should also start working within half an hour of taking your first dose, but will last much longer. Because it can last up to 12 hours, remember that you should not take more than two tablets in a 24-hour period.
Pseudoephedrine is a decongestant medication sold over the counter (such as in Sudafed). It is also found as a component in some prescription medications. Pseudoephedrine is available as a tablet, chewable tablet, controlled-release tablet, capsule, syrup, suspension and liquid and as drops. This drug is indicated for nasal congestion and congestion of the Eustachian tubes.