Shoulder Season (May & Nov) 1  Rising May temperatures herald the onset of the wet season around Manila and elsewhere. 2  November sees high-season rates kick in.
Nuclear Decay Definition. Nuclear decay or radioactive decay is the emission of energy and matter because of change in the nucleus of atom. The nuclear decay involves the emission of ionizing particles or ionizing radiation.
Alpha decay. Alpha decay or Î±-decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle (helium nucleus) and thereby transforms or 'decays' into an atom with a mass number that is reduced by four and an atomic number that is reduced by two.