Radiation Portal Monitor (RPM) was designed to detect traces of radiation emitted from an object passing through a RPM. Gamma radiation is detected, and in some cases complemented by neutron detection when sensitivity for nuclear material is desired.
1 heartburn or acid indigestion (acid reflux), 2  bloating, 3  gas, 4  nausea, 5  acidic taste in the mouth, 6  stomach discomfort, 7  constipation or diarrhea, and. 8  decreased appetite. 9  Indigestion has many causes including medical conditions, medications, diet, and lifestyle.
Causes. A sour stomach may be caused by eating too fast, overeating or too much caffeine. Spicy, fatty or greasy foods can also cause indigestion because they are hard to digest. It may also be caused by more serious ailments, such as gallstones and peptic ulcers. sour stomach, another term for indigestion, is a common ailment that is characterized by symptoms such as general discomfort, pain, heartburn, bloating and burping.