stability of dyes

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• Photograph stability — refers the ability of a photographic print or photographic film to remain visibly unchanged over periods of time. Different photographic processes yield varying degrees of stability.ilver halideBlack and white negatives and prints made by the… …   Wikipedia

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• dye — dyable, dyeable, adj. dyer, n. /duy/, n., v., dyed, dyeing. n. 1. a coloring material or matter. 2. a liquid containing coloring matter, for imparting a particular hue to cloth, paper, etc. 3. color or hue, esp. as produced by dyeing. 4. of the… …   Universalium

• Dye-sensitized solar cell — A selection of dye sensitized solar cells A dye sensitized solar cell (DSSC, DSC or DYSC[1]) is a low cost solar cell belonging to the group of thin film solar cells.[2] …   Wikipedia

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• Photochromism — is the reversible transformation of a chemical species between two forms by the absorption of electromagnetic radiation, where the two forms have different absorption spectra. [ [http://pubs.acs.org/journals/chreay/thematic/00/photo.html Chemical …   Wikipedia

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• Lake — /layk/, n. Simon, 1866 1945, U.S. engineer and naval architect. * * * I Relatively large body of slow moving or standing water that occupies an inland basin. Lakes are most abundant in high northern latitudes and in mountain regions, particularly …   Universalium

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