emissive power
81Selective surface — In solar thermal collectors, a selective surface is a means of increasing its operation temperature and/or efficiency. The selectivity is defined as the ratio of radiation absorption ( alpha ) to radiation emission ( epsilon ),. Selective… …
82Display contrast — Contrast in visual perception is the difference in appearance of two or more parts of a field seen simultaneously or successively (hence: brightness contrast, lightness contrast, color contrast, simultaneous contrast, successive contrast, etc.).… …
83Digital newspaper technology — is the technology used to create or distribute a digital newspaper. Contents 1 Hardware 1.1 PC s 1.1.1 PC 1.1.2 Netbook …
84Measurement and signature intelligence — (MASINT) is a branch of intelligence gathering activities. MASINT, may have aspects of intelligence analysis management, since certain aspects of MASINT, such as the analysis of electromagnetic radiation received by signals intelligence are more… …
85Список лауреатов медали Румфорда — Не следует путать с Премией Румфорда[ru] …
86liquid crystal display — (LCD) Liquid crystals are low power consumption devices that produce a non emissive display system (i.e., modulate ambient light rather than emit light) with good visibility even in sunlight …
