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Displaying 28901 - 28925 of 73697

Character contrast

January 1, 2009
Author(s)
Edward F. Kelley
Measurement of a small black area on a white electronic display screen is often accompanied by serious contamination from veiling glare in the detector. The black measurement can be thousands of percent in error. Character-stroke-contrast or small-area

Clean Agent Suppression of Energized Electrical Equipment Fires

January 1, 2009
Author(s)
Gregory T. Linteris
The NFPA 2001 standard on the use of clean agents for the suppression of fires arose from the phase-out of Halon 1301. Standard methods exists for specifying the amount of clean agent required for Class A and Class B fires, but the recommendation for Class

Fire facts:

January 1, 2009
Author(s)
James Randall Lawson, James Randall Lawson
Displaying 28901 - 28925 of 73697
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