In macromolecule material formed conjugated cyclic structures that are characteristic of heat-resistant compounds. A self fiber 'becomes black. The fabric of black nitrone does not burn voob slit-t, it is not destroyed even in the flame of a gas burner (700-800 ). But this remarkable fiber, as indeed in most other heat-resistant polymers, there is […]
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In 1962, American Nick Holonyak reported on the early release of semi-light-emitting diodes. and Russia once again lost its priority: six months earlier in a "mailbox" was organized by the release of silicon carbide light-emitting diodes for nuclear engineering, but zasekretili and a pioneer in the story came Holonyak, received in 2003 the Russian prize […]
The confidencialidade and the privacy offer support to the prevention of not authorized revelation of information, as well as keep given occult the not authorized and unknown users, not giving access privilege. The integrity prevents the not authorized modification of the information. The availability of the support to the construction of a trustworthy and available […]
