selective surface

См. также в других словарях:

• Selective 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… …   Wikipedia

• Frequency selective surface — Als Frequency selective surface (FSS), zu deutsch etwa frequenzselektive Oberfläche, bezeichnet man Flächen, die elektromagnetische Strahlung frequenzabhängig reflektieren, insbesondere im Radiofrequenzbereich mit einer Frequenz bis hinauf zu… …   Deutsch Wikipedia

• Selective Surface Coating —   A material with high absorbtance and low emittance properties applied to or on solar absorber surfaces …   Energy terms

• surface — [ syrfas ] n. f. • 1611; superface 1521; lat. superficies → superficie; de sur et face 1 ♦ Partie extérieure (d un corps), qui le limite en tous sens. ⇒ face. La surface de la Terre, la surface terrestre. À la surface du sol. « une surface pure… …   Encyclopédie Universelle

• Selective leaching — Selective leaching, also called dealloying, demetalification, parting and selective corrosion, is a corrosion type in some solid solution alloys, when in suitable conditions a component of the alloys is preferentially leached from the material.… …   Wikipedia

• Selective soldering — is the process of selectively soldering components to printed circuit boards, molded modules, etc. that could be damaged by the heat of a reflow oven in a traditional SMT assembly process. Consequently this process usually follows an SMT oven… …   Wikipedia

• Selective Adsorption — is the effect when minima associated with bound state resonances occur in specular intensity in atom surface scattering. It was first observed in 1930 by Estermann and Stern. Starting from the 1970s, selective adsorption has been extensively… …   Wikipedia

• Surface micromachining — is a process used to produce micromachinery or MEMS.Unlike Bulk micromachining, where a silicon substrate (wafer) is selectively etched to produce structures, surface micromachining is based on the deposition and etching of different structural… …   Wikipedia

• selective absorber surface — Surface used to increase the temperature of a solar collector …   Dictionary of automotive terms

• Selective chemistry of SWNT — Single walled nano tubes (SWNT) Structure and Reactivity Reactivity of the fullerene molecules with respect to addition chemistries is strongly dependent on the curvature of the carbon framework. Their outer surface (exohedral) reactivity… …   Wikipedia

• Selective laser sintering — An SLS machine being used at the Centro Renato Archer in Brazil. Selective laser sintering (SLS) is an additive manufacturing technique that uses a high power laser (for example, a carbon dioxide laser) to fuse small particles of plastic, metal… …   Wikipedia