perfect diffuser

См. также в других словарях:

• Diffuser (optics) — For other uses, see Diffuser (disambiguation). In optics, a diffuser is any device that diffuses or spreads out or scatters light in some manner, to give soft light. Diffuse light can be easily obtained by making light to reflect diffusely from a …   Wikipedia

• Whiteness — In colorimetry, whiteness is the degree to which a surface is white. An example of its use might be to quantitatively compare two pieces of paper which appear white viewed individually, but not when juxtaposed.The International Commission on… …   Wikipedia

• Light meter — A light meter is a device used to measure the amount of light. In photography, a light meter is often used to determine the proper exposure for a photograph. Typically a light meter will include a computer, either digital or analogue, which… …   Wikipedia

• Barium sulfate — chembox new ImageFile = Barium sulfate 2D.png ImageSize = 225px ImageName = Chemical structure of barium sulfate ImageFile1 = Barite unit cell 3D vdW.png ImageSize1 = 225px ImageName1 = 3D model of barium sulfate IUPACName = OtherNames = Section1 …   Wikipedia

• Lambert — Edward H., U.S. physician, *1915. See L. Eaton syndrome, Eaton L. syndrome. * * * lam·bert lam bərt n the centimeter gram second unit of brightness equal to the brightness of a perfectly diffusing surface that radiates or reflects one lumen per… …   Medical dictionary

• lambert — A unit of brightness; the brightness of a perfectly diffusing surface emitting or reflecting a total luminous flux of 1 lumen/sq cm of surface. [J.H. L., German physicist and mathematician, 1728–1777] * * * lam·bert lam bərt n the centimeter gram …   Medical dictionary

• Gas compressor — A gas compressor is a mechanical device that increases the pressure of a gas by reducing its volume. Compressors are similar to pumps: both increase the pressure on a fluid and both can transport the fluid through a pipe. As gases are… …   Wikipedia

• Keane (groupe) — Pour les articles homonymes, voir Keane. Keane Pays d’origine …   Wikipédia en Français

• Lou Reed — Pour les articles homonymes, voir Lou et Reed. Lou Reed Nom Lewis Alan Reed Naissa …   Wikipédia en Français

• Pair à pair — « P2P » et « p2p » redirigent ici. Pour les autres sens, voir P2P (homonymie). Le pair à pair ou pair à pair (traduction de l anglicisme peer to peer, souvent abrégé « P2P ») est un modèle de réseau informatique… …   Wikipédia en Français

• Christian Science — Science chrétienne Église de la Science chrétienne à Boston La Science chrétienne (ou Christian Science) est un mouvement religieux fondé par Mary Baker Eddy en 1879 et rassemblant de nos jours 1 800 églises dans 82 pays …   Wikipédia en Français