leakage radiation
131Photodiode — Three Si and one Ge (bottom) photodiodes Symbol for photodiode …
132Atmosphere — An atmosphere (from Greek ατμός atmos , vapor + σφαίρα sphaira , sphere ) is a layer of gases that may surround a material body of sufficient mass, [ [http://www.ontariosciencecentre.ca/school/clc/visits/glossary.asp Ontario Science Centre… …
