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Bone is also made of both mineral and carbon-based materials; the mineral-based are calcium, phosphorus, and fluoride; the carbon-based is the protein ossein. Bone also includes the mineral hydroxyapatite, "A calcium phosphate mineral which forms a hard outer covering over the collagen and protein matrix," [1] or organic material.
Winslow Homer, Rowing Home (1890), an example of the wet-on-wet technique in watercolor, especially in the sky Wet-on-wet , or alla prima (Italian, meaning at first attempt ), direct painting or au premier coup , [ 1 ] is a painting technique in which layers of wet paint are applied to previously administered layers of wet paint.
Bone china is a type of vitreous, translucent pottery, [1] the raw materials for which include bone ash, feldspathic material and kaolin.
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Artificial bone refers to bone-like material created in a laboratory that can be used in bone grafts, to replace human bone that was lost due to severe fractures, disease, etc. [1] Bone fracture, which is a complete or partial break in the bone, is a very common condition that has more than three million US cases per year. [ 2 ]
Lipids and fatty acids in the bone and in the fat tissues tend to stain the bone brown. Oxidising bleaches may be used to whiten the bone, but if too much is used the perchlorate or hypochlorite damages the bone tissue, leaving it chalky and brittle. Hydrogen peroxide at quite low concentrations, say 1% to 3% replenished every few days, is less ...
Butcher Boys (1985/1986) is a sculpture made by South African artist Jane Alexander of three, life-size, oil-painted plaster figures with animal horn and bone details, seated on a bench. The work formed part of her MAFA submission ( University of the Witwatersrand ) and was first exhibited at the Market Theatre Gallery in Johannesburg in 1986.
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