Results 61 to 70 of about 19,177 (205)

Color realism and color science [PDF]

open access: yesBehavioral and Brain Sciences, 2003
AbstractThe target article is an attempt to make some progress on the problem of color realism. Are objects colored? And what is the nature of the color properties? We defend the view that physical objects (for instance, tomatoes, radishes, and rubies) are colored, and that colors are physical properties, specifically, types of reflectance.
Byrne, Alex, Hilbert, David R.
openaire   +4 more sources

Doped oxides of cerium as inorganic colorants

open access: yes, 2007
The colour of inorganic colorants is based on metal ions such as cadmium, lead, chromium or cobalt, the majority of which are unfortunately potentially toxic.
Nair, Balachandran Unni   +3 more
core   +1 more source

Elucidation of the Effect of Solar Light on the Near-Infrared Excitation Raman Spectroscopy-Based Analysis of Fabric Dyes

open access: yesMolecules
Colored textiles are valuable physical evidence often found at crime scenes. Analysis of the chemical structure of textiles could be used to establish a connection between fabric found at a crime scene and suspect cloths.
Shannon Bober, Dmitry Kurouski
doaj   +1 more source

Color categories and color appearance [PDF]

open access: yesCognition, 2012
We examined categorical effects in color appearance in two tasks, which in part differed in the extent to which color naming was explicitly required for the response. In one, we measured the effects of color differences on perceptual grouping for hues that spanned the blue-green boundary, to test whether chromatic differences across the boundary were ...
Michael A, Webster, Paul, Kay
openaire   +2 more sources

Natural and non-traditional sources of colorants [PDF]

open access: yes, 2019
Catedra de farmacognozie și botanică farmaceutică, Universitatea de Stat de Medicină și Farmacie ”Nicolae Testemițanu” din Republica MoldovaIntroducere.
Goludeț, Nicoleta
core   +1 more source

Las colores de un Imperio. Hispanic production and international trade of pigments and pictorial materials in the sixteenth century

open access: yesJournal for Art Market Studies, 2019
This paper aims to offer a a wide view over trade in painters' materials in the Spanish peninsula in the sixteenth century, from their production to their import and export.
Miquel Àngel Herrero-Cortell
doaj   +1 more source

WORM colorings

open access: yesDiscussiones Mathematicae Graph Theory, 2015
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Wayne Goddard, Kirsti Wash, Honghai Xu
openaire   +2 more sources

Colorants naturels et teintures du XVIIe siècle à la naissance des colorants de synthèse

open access: yes, 2005
Natural dyes and dyeing from XVIIth century to the birth of synthetic dyes. After historical considerations on the state and evolution of French dyeing industry in the end of XVIIth century to the beginning of XIXth, we find in this presentation a résumé
Viel, Claude
core   +1 more source

Characterization of Colorants Formed by Non-Enzymatic Browning Reactions of Hydroxycinnamic Acid Derivatives

open access: yes, 2022
The browning of plant-based food is commonly understood to result from the enzymatic polymerization of phenolic compounds to pigments, called melanin.
Clemens Kanzler   +5 more
core   +1 more source

La dégénérescence mésomérique des colorants polyméthiniques [PDF]

open access: yes, 1961
Toute matière colorée organique est représentée par des formules électromères limites caractérisées par l’ensemble d’un groupe donneur d’électrons, d’un groupe polarisable et d’un groupe capteur d’électrons.
van Dormael, A.
core   +1 more source

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