Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 17 of 17 for “"Colorant"”.
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Une porte optique intensificatrice picoseconde à gain élevé caractérisation et application potentielle en imagerie de petits objets placés dans des milieux diffusants
… étude, nous avons développé un amplificateur à colorant possédant ces deux caractéristiques. Le colorant choisi, l'iodure de 3,3' -diméthyloxatricarbocyanine (méthyl-DOTCI), possède un épaulement dans la bande d'absorption à 620 nm ce qui convient bien à notre pompe femtoseconde. De plus, son …
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Innovative color management methods for RGB printing
… removed most errors introduced by the changes of colorant and printing substrate. A significant reduction in error was realized by incorporating this technique into the color management program.
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Assessing Spray Deposition and Weed Control Efficacy from Aerial and Ground Equipment in Managed Turfgrass Systems
… soand spectrophotometric analysis of blue colorant stains on white Kraft paper. This technique cost 0.2 cents per USD spent on traditional water-sensitive paper (WSP) allowing for continuous sampling necessary for the highly variable deposition patterns delivered by an ASD. SprayDAT …
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Apport nutritionnel de la canneberge et son impact dans la fabrication d'un yaourt probiotique
… anthocyanes, canneberge, yaourt, probiotique, colorant, antioxydant. "--Sommaire
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Application d’argiles locales du nord du maroc pour le traitement des effluents liquides contaminés par les colorants organiques et les métaux lourds
… de traitement des eaux usées contaminées par des colorants organiques et des métaux lourds. Il s’inscrit dans une perspective de développement local durable, qui consiste à mettre en place des approches efficaces pour préserver la qualité de l’eau et protéger l’environnement contre les polluants …
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Winter survival of bermudagrass (Cynodon sp.) as influenced by traffic, mineral nutrition, plastic covers, cultural treatments, overseeding and freezing in late-winter dormancy
… effect of imposed traffic. 'Stayz Green' turf colorant did increase early post dormancy growth. While, the cultivation treatments using a vertical mower alone and with an aerifier reduced early green up. Flurprimidal reduced early post dormancy growth of bermudagrass; while, mefluidide had no …
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Identification and characterization of potent odorants in selected beet root (Beta vulgaris) products
… pigments, which provide a natural source of colorant for food and pharmaceutical use. Despite the beet’s impact on our food supply, the majority of the flavor research on beets concentrates on contaminating aromas in beet sugar. A small number of studies have been performed on beet roots …
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Bonding of additives to functional polyolefins by reactive blending
… two parts; the first part studied the bonding of colorants to functional polyolefins and the second part investigated the bonding of UV stabilisers to functional polyolefins. The research was completed with the long term objective that the approach should offer alternative additives to …
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Phytochemical diversity and genetics of purple corn
… natural products has spurred interest in natural colorants, especially from sources rich in anthocyanins, red to purple plant pigments. Anthocyanin-rich purple corn is being explored as a potential economical source of natural colorant. Our recent survey of colored corn maize germplasm identified …
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Factors governing zoysiagrass response to herbicides applied during spring green-up
… based on spectrophotometric assessment of a colorant admixture. However, increasing nozzle height above the turf canopy and avoiding air induction type nozzles significantly reduced the percentage of green tissue exposed at lower canopy levels. Absorption of radio-labeled glyphosate and …
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Characterization of pigments from cultivated Amaranthus species and assessment of their commercial applications as natural food colorants
… food industry to replace synthetically produced colorants with naturally derived alternatives. Of these, betalain pigments derived from beets (Beta vulgaris L.) serve as an important alternative to the synthetic dye FD&C Red 40 for many different low-acid food applications. Betalains are a …
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Factors Associated with Pollinator Foraging and Floral Morphology of Lawn Weeds
… pigmented fungicide, commercial sunscreen, turf colorant, and other deterrent strategies to reduce pollinator foraging on weedy flowers in turfgrass. Field studies were conducted from 2021 to 2023 to evaluate the effect of these treatments on floral morphology and ultraviolet (UV) reflectance of …
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Inverse methods to estimate anthocyanin degradation kinetic parameters in cherry pomace during non-isothermal heating
… flavonoid compound and are used as a natural colorant. ACY have health benefits and can be sourced from inexpensive byproducts, such as cherry pomace. The most common method of using the byproduct is to add it as an ingredient to foods that are thermally processed. To design these processes, …
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Clustered-dot periodic halftone screen design and ICC profile color table compression
… of tone lev- els between paper white and full colorant coverage. To address this limitation, the microcells can be grouped into supercells. The challenge is then to determine the desired supercell shape and the order in which dots are added to the microcell. Using DBS to determine this order …
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Phase Behavior and Rheology of Latex, Thickener, Surfactant Mixtures and Liquid Crystal Based Compositions for Printing High-Efficiency Flexible Electronics
… to determine mechanisms of viscosity drop when colorant dispersions are added to latex tint base formulations thickened with associative thickeners. One of the HEUR thickeners is a product that has been available for over three decades (HEUR RM-825), whereas the other, HEUR RM-995 is a product …
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Extração e estabilidade do corante azul de jenipapo (Genipa americana L.)
O presente trabalho teve por objetivo a avaliação da potencialidade do fruto do jenipapo como fonte de corante azul natural, objetivando torná-lo tecnicamente viável, bem como identificar o solvente adequado para a extração dos pigmentos do jenipapo, avaliar o efeito do pH e da temperatura na …