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red pigments

См. также в других словарях:

  • red dye — n. any of several artificial red pigments added to cosmetics or food: dyes number two and number four are banned by the FDA as possible carcinogenic additives * * * …   Universalium

  • red dye — n. any of several artificial red pigments added to cosmetics or food: dyes number two and number four are banned by the FDA as possible carcinogenic additives …   English World dictionary

  • Red — This article is about the color. For other uses, see Red (disambiguation). Red   Spectral coordinates  Wavelength 620–740 …   Wikipedia

  • Red ochre — and yellow ochre (pronounced /IPA| əʊk.ə/, from the Greek ὄχρος, yellow) are pigments made from naturally tinted clay. It has been used worldwide since prehistoric times. Chemically, it is hydrated iron (III) oxide.Ochres are non toxic, and can… …   Wikipedia

  • Red tide — is a common name for a phenomenon known as an algal bloom, an event in which estuarine, marine, or fresh water algae accumulate rapidly in the water column, or bloom . These algae, more specifically phytoplankton, are microscopic, single celled… …   Wikipedia

  • red tides — occur frequently in coastal areas and often are associated with population blooms of dinoflagellates. Dinoflagellate pigments are responsible for the red color of the water. Under these conditions, the dinoflagellates often produce saxitoxin,… …   Dictionary of microbiology

  • red ocher — red′ o′cher n. mir any of the red natural earths, mixtures of hematite, that are used as pigments • Etymology: 1565–75 …   From formal English to slang

  • Red-violet — infobox color|textcolor=white title=Red violet hex=C71585 r=199|g= 21|b= 133 c= 0|m= 89|y= 33|k= 0 h=322|s= 89|v= 78 source=X11Red violet is the name that, depending on the context, applies to one or another type of non spectral purple color. In… …   Wikipedia

  • Red algae — Taxobox color = #taxobox color|Plantae name = Red algae image width = 240px domain = Eukaryota unranked phylum = Archaeplastida phylum = Rhodophyta phylum authority = Wettstein, 1922 subdivision ranks = Class subdivision = *Rhodophyceae(There… …   Wikipedia

  • Red acro bug — Taxobox name = Red acro bug image width = 200px image caption = A typical red bug infestation on an acroporid. regnum = Animalia phylum = Arthropoda subphylum = Crustacea classis = Maxillopoda subclassis = Copepoda ordo = Harpacticoida familia =… …   Wikipedia

  • Red point — Colourpoint Colourpoint Sous article d un taxon biologique …   Wikipédia en Français

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