Sterilisation: process, be freed by the subjects of microorganisms. with sterilization, refers to sterilization and disinfection process, by the materials and articles of live microorganisms including their dormant stages (for example spores) be freed. The thus achieved state of materials and articles are called "sterile".
Time to reduce by 90%: The Dezimalreduktionszeit is the time, in the 90% die of a population. Is the time required, die in the nine-tenths of the population, the population is thus reduced to a tenth, as Dezimalreduktionszeit D (D value).
KBE / CFU: Colony forming unit, colony forming unit. A colony forming unit (CFU or CFU, englisch colony forming unit, CFU) is a parameter, which plays a role in the quantification of microorganisms, namely when the viable cell count of microorganisms in a material is determined culturally.
disinfecting process. The history of mankind is the history of disinfection. Immediately after discovery of fire, the fire was used, boil water to. The high temperatures kill harmful organisms in the water and made the water for people available.