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 20 of 45 for “"chroma"”.
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Chroma Cowboy
<p><em>Chroma Cowboy </em>consists of eleven canvases wrapped in used feed sacks layered with vinyl to create brightly colored narrative scenes. Pulling from Pop Art colors, cubism shapes and a consciousness of materials, I designed this body of work to give the hard-working cowboys, ranchers, and …
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Eignung des Chroma-Boden-Tests zur Bestimmung von Kompostqualität und Rottegrad
… Praxis zu etablieren, wurde die Tauglichkeit des Chroma-Boden-Testes an einer Vielzahl unterschiedlicher Komposte untersucht. Zur Korrelation mit praxisüblichen Methoden wurden im Verlauf des Rotteprozesses zudem mehrfach Untersuchungen bezüglich pH-Wert, Glühverlust, C/N, Nmin sowie …
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Assessment of methods to screen for carotenoids in yellow-fleshed potato germplasm
… without sample preparation, extractions or chromatography required. The study was conducted to evaluate REIMS as an efficient platform to identify carotenoids in yellow-fleshed potato germplasm (N = 60) from the Colorado Potato Breeding and Selection Program. The specific aim eventually is …
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In vivo Measurement of Color Relationships between the Maxillary Central Incisor and Canine as a Function of Age
… (i.e. that tooth thought to have the highest chroma of a particular hue) and then that hue can be applied to other anterior teeth but at a lower chroma. However, this concept does not appear to derive from published measurements or observations. This study documented the color relationship …
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The effect of naturally fermented vegetable nitrites on the color of vacuum packaged fresh pork
… L*, a* and b* values were measured. Hue and Chroma values were calculated for all color measurements. Linear and quadratic contrasts were evaluated on treatments for all measured and calculated color values. A linear (P<0.05) increase was detected on the L* values for days of vacuum storage …
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Sparse Modeling of Grouped Line Spectra
… total variation penalty. The other feature, chroma, is a concept in musical theory, collecting pitches at powers of 2 from each other into groups. Using a chroma dictionary, together with appropriate group sparse penalties, we propose an automatic transcription of the chroma content of a …
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Investigation of factors that influence coloration in polycarbonate based compounded plastics
… screw extruder. Past production data of two low Chroma opaque polycarbonate (PC) plastic grades - PC1 and PC2, were statistically analysed with the aim to quantify the influence on output colour caused by small adjustments in colour formulation made during production. This study revealed that the …
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Music signal processing for automatic extraction of harmonic and rhythmic information
… We develop a set of new features that belong to chroma family. A set of novel chroma features that is based on the application of Pseudo-Quadrature Mirror Filter (PQMF) bank is introduced. We show the advantage of using Time-Frequency Reassignment (TFR) technique to derive better acoustic …
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Postharvest Storage and Nutraceutical Evaluation of Muscadine Grapes (Vitis rotundifolia Michx.)
… to titratable acidity ratio (SS/TA), color (L*, Chroma, and hue), firmness (force to penetrate berry skins), weight loss (%), and unmarketable fruit (%) were evaluated every 7 d for three weeks. An additional eight cultivars and selections from non-fungicide-treated vines were subjected to …
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The function and evolution of egg colour in birds
… predation is negatively related to ultraviolet chroma in open nests, and eggshell brightness is positively related to predation pressure in species using open nests above the ground. In addition, the risk of brood parasitism is greatest in species with a high proportion of blue-green chroma, but …
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Hydropedology of Problematic Interfluve Transported Soils in the Central Virginia Piedmont
… in the central Piedmont of Virginia containing chroma ≥ 3 redoximorphic features (RMFs) can be difficult. It is imperative to understand their saturation regimes because onsite wastewater disposal systems, which are sited based upon soil evaluations, have failed prematurely when installed into …
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The Determination of Oxytetracycline Levels in Soft Tissue, Bone, Blood, and Excreta of Patients Suffering From Malignant Cancer
… and aerobic spore-forming bacilli. | Paper chromatography studies were undertaken by Regna and Solomons (195>0) to determine the biological homogeneity of terramycin. Upon examining the paper chroma tog rams the authors stated that crude preparations of terramycin contain inactive …
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PHILOSOPHIES OF COLOUR: GENDER AND ACCULTURATION
… colour. I discuss how a constructed hierarchy of chromatic value has informed perceptions of gender, arguing that authoritative epistemologies such as colour theory have established fallacious belief systems of chromatic value that reinforce cultural perceptions of gender. In the second I have …
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Detailed paleoclimatic records from late Pennsylvanian polygenetic paleosols : north-central Texas, USA.
… clay, pedogenic calcite nodules, high-chroma matrix colors) and are overprinted by features that indicate poorer drained conditions (gley matrix colors, pedogenic siderite), however overprinting occurred through rapid transgression in one paleosol and gradual sea-level rise in the …
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Prothonotary Warbler (Protonotaria citrea) Plumage as an Indicator for Infection: the Relationship between Haemosporidia Infection and Breast Feather Reflectance in a Neotropical Migrant Passerine
… Hue, UV Intensity, UV Brightness, and UV Chroma. UV and visible light reflectance was higher in birds sampled earlier in the field season (early clutch) (p=0.0017 and p=0.0743 respectively). There was no relationship between infection and either visible light or hue. However, UV …
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Poliaminas em amostras biológicas humanas: importância e métodos de detecção.
… used methods for the polyamine analysis are chroma tographic methods , particularly high performance liquid chromatography with fluorimetric detection where derivatization is required . The scientific literature provides various pre - analytical methods according to the nature of the clinical …
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The determination of Dyers' perceived components of colour difference (depth, brightness and hue) between twp similar colours from theor spectral reflectance values
… of the standard. Real data of highest possible chroma values from Munsell colour atlas were used to create maximum chroma boundaries which were found necessary for the hue correction of the batch. It was noted that the DBH and the Sato models also incorporated hue correction of the batch. The …
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Evaluation of variability of instruments used in pork quality assessments
… 250 pork loins with 2 different Minolta CR-400 Chroma meter devices. Each Minolta was programed to use a D65 illuminant, 2º observer with an 8 mm aperture, and calibrated with white tiles specific to each machine. Therefore, a total of 12 instrumental color measurements were collected on each …
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Spectral Reflectance as an Indicator of Water Quality in Streams Impacted by Mine Drainage
… neutral pH. Sediment color was determined using chroma meter measurements. Mineralogical analysis of the sediments was accomplished using x-ray diffraction (XRD), IR spectroscopy (FTIR), and diffuse reflectance spectroscopy.Sediment chemical composition was determined by acid dissolution and …
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