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 found in many different medications. It comes most commonly as either pseudoephedrine sulfate or pseudoephedrine hydrochloride (there are no important differences between the two).Pseudoephedrine is especially useful for the following uses: 1  Relieving nasal congestion due to allergies (such as hay fever) or the common cold.2  Relieving sinus congestion and pressure.t comes most commonly as either pseudoephedrine sulfate or pseudoephedrine hydrochloride (there are no important differences between the two). Pseudoephedrine is especially useful for the following uses: 1  Relieving nasal congestion due to allergies (such as hay fever) or the common cold.