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Dry heat sterilization of Bacillus subtilis var. niger spores at 105 C is enhanced in the relative humidity range 0.03 to 0.2%. D-values of 115 and 125 C are predicted by a kinetic model with… (More)
From International symposium on industrial sterilization; Amsterdam, Netherlands (Sep 1972). See CONF-7209100-. When Bacillus subtilis spores were treated with heat, gamma radiation, and combinations… (More)
It is desirable to eliminate the public health hazards associated with land application of municipal sewage sludge as a fertilizer or soil conditioner. This report describes experimentation to… (More)
Dryheatsterilization ofBacillus subtilis var.niger sporesat105C isenhanced intherelative humidity range0.03 to0.2%. D-values of115and125C arepredicted bya kinetic modelwithparameters setfrom105C… (More)
Although Bacillus subtil is var. niger is the standard test organism for NASA Planetary Quarantine sterilization studies, it has been found that some naturally occurring soil organisms are more heat… (More)