63 resultados para pastel


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Reprinted in part from Art and progress and the International studio.

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Pronunciation guide, 2 pages in pocket of each portfolio.

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Edgar Degas; 1 ft. 10 1/64 in.x 1 ft. 6 47/64 in.; pastel and charcoal on blue laid paper, mounted at perimeter on backing board

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Edgar Degas; 1 ft. 6 37/64 in. x 1 ft. 4 59/64 in.; pastel and black chalk on buff pape

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Paul Cézanne; 1 ft. 3 25/64 in.x 11 47/64 in.; pastel and charcoal on green wove paper; squared for transfer in charcoal; letterpress printing on verso

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Paul Cézanne; 2 ft. 5 9/64 in.x 1 ft. 11 55/64 in.; pastel on light green wove paper, now discolored to warm gray, affixed to original pulpboard mount

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Mode of access: Internet.

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The colored portraits are accompanied by guard sheets with descriptive letterpress.

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Edgar Degas; 1 ft. 9 3/8 in.x 2 ft. 4 47/64 in.; oil colors freely mixed with turpentine, with traces of watercolor and pastel over pen-and-ink drawing on cream-colored wove paper, laid down on bristol board and mounted on canvas

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Edgar Degas; 2 ft. 1 25/64 in.x 1 ft. 10 1/8 in.; pastel and black chalk on three pieces of wove paper, joined together

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Pastel, crayon, and watercolor on video paper; Dr. Reed O. Dingman, University of Michigan Department of Plastic Surgery

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Mixed medial (pastel, water color, colored pencils, acrylics, carbon pencils on a clay coated paper [Video]); Dr. Paul R. Lichter, University of Michigan Department of Ophthalmology

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Elegant autograph copy of the versified Persian-Turkish glossary of the müderris Osman Şakir (whose name appears in Īḍāḥ al-maknūn as ʻUthmān Shukrī, d.1818?). Apparently inspired by the popular Tuhfe-yi Vehbî (used for many years in Ottoman schools) of Sünbülzâde Vehbi Mehmet Efendi (d.1809), see opening matter on p.5-15.

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This dissertation presents the development of voltammetric methods to zinc determination in multivitamin commercial samples, talc, and art materials for painting (soft pastel) combining an alkaline extraction with 1.0 mol L-1 NaOH aqueous solution and bismuth modified electrodes. Two electrodes were used to zinc quantification in the samples, bismuth film electrode (BiFE) plated in situ onto glassy carbon and carbon paste electrode chemically modified with strongly acidic ion exchange resin Amberlite® IR 120 and bismuth nanostructures (EPCAmbBi). It was verified that the best concentration of Bi3+ for Bi film deposition onto glassy carbon was 4.0 μmol L-1 using an 0.1 mol L-1 acetate buffer aqueous solution (pH = 4.5) as supporting electrolyte. The best condition to formation of Bi nanostructures in the EPC modified with 10 % Amberlite® IR 120 was the use of 30 s to pre-concentration (open circuit) in 0.5 mmol L-1 Bi3+ aqueous solution (pH 5.5) prepared with supporting electrolyte solution. The obtained analytical curve for Zn2+ using BiFE presented linear range from 0.5 to 5.0 μmol L-1, the limit of detection (LD) was 41 nmol L-1. For EPCAmbBi only one linear range was observed for the analytical curve varying the Zn2+ concentration from 0.05 to 8.2 μmol L-1, LD obtained in this curve it was equal to 10 nmol L-1. The EPCAmbBi presented the most intense and sharp anodic stripping peaks for Zn2+ presenting, therefore, a better voltammetric profile, with sensitivity higher than obtained with the BiFE. Moreover, the EPCAmbBi presented a LD lower than that obtained with the BiFE. Alkaline extraction was an efficient sample pretreatment to extract Zn2+ from solid samples, besides that, this procedure was less susceptible to interferences from Cu2+, since it remains at extracting vessel as insoluble Cu(OH)2. The combination of alkaline extraction with the EPCAmbBi is a simple, fast, efficient and low cost for the zinc determination in pharmaceutical formulations and art materials for painting (soft pastel) samples, which can be employed as a low-cost alternative method to the atomic absorption spectroscopy.

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Syftet med föreliggande studie har varit att kartlägga hur grafiska formgivare runt om i världen uppfattar skandinavisk grafisk design. 53 deltagare från industriländer deltog i studien som använde en kombination av mail-intervjuer och enkäter. Resultaten från denna studie indikerar att, oavsett kontinent, upplevs skandinavisk grafisk design som enkel och funktionell. Layouten uppfattades som rutnätsbaserad med mycket ljusrum och få grafiska element. Monokroma färger som svart, vit och grå utan gradienter och skuggor uppfattades som typiska för skandinavisk grafisk design; följt av jord- och pastellfärger. Sanserifer var mest förknippade med skandinavisk grafisk design. Motiv ansågs i denna studie att användas sparsamt, men när de används avbildar de naturen eller geometriska former. Foton och illustrationer ansågs användas ungefär lika mycket, illustrationer hade en smärre större preferens. Den upplevda påverkan av skandinavisk grafisk design varierade mellan deltagarna. Deltagarna som tyckte att påverkan var stor, ansåg att detta berodde på förespråkandet av enkelhet och funktion, sammanflätning av designområden och/eller frammaning av hållbar grafisk design. Deltagarna som ansåg att påverkan var låg, tyckte att för lite publicitet var en bidragande faktor.De flesta deltagarna i denna undersökning ansåg att skandinavisk grafisk design var enklare i jämförelse med vad de kunde se i sina hemländer. Vidare tyckte afrikanska, asiatiska och sydamerikanska deltagare  att färgerna hade lägre kroma.