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vitrification |
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vitrification [‚vi·trə·fə′kā·shən] (engineering) Heat treatment of a material such as a ceramic to produce a glazed surface. (geology) Formation of a glassy or noncrystalline material. (medicine) An experimental procedure for preserving human organs in which chemicals are added prior to cooling to prevent crystallization of water within and outside the cells, so that with coolings the molecules essentially become fixed in place. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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For those interested in geology or meteorology, the literature was intriguing: Who knew that lightning could instantly vitrify the mineral content of a small patch of earth, in effect casting a permanent positive of itself, uniting pure energy with pure matter and leaving behind an artifact as ghost and proof? In its March 1994 report "Management and Disposition of Excess Weapons Plutonium," the committee recommends two options: Reuse plutonium as fuel in existing or modified nuclear reactors, or vitrify the material, making reuse extremely difficult. The planned California facility would vitrify waste feedstocks such as steel mill dusts, blast media residuals, and wastewater treatment sludges to produce nonhazardous glass ceramic materials for making abrasives, architectural materials and roofing tile granules. |
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