preparation glass

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• Glass casting — is the process by which cast glass objects, either functional or artistic, are produced by allowing molten glass to solidify in a mould (a process called casting). This technique has been used since the Egyptian period. Modern cast glass is… …   Wikipedia

• Preparation for Death —     Preparation for Death     † Catholic Encyclopedia ► Preparation for Death     ♦ The basic preparation for death     ♦ When should a priest be called?     ♦ Winding up our earthly affairs     ♦ Confession     ♦ Viaticum     ♦ Extreme Unction… …   Catholic encyclopedia

• Glass of antimony — Glass of antimony, vitrum antimonii , is a transparent glass created from a preparation of antimony, historically used as an emetic. It was created using crude antimony, ground and calcined by a vehement fire, in an earthen crucible, until it no… …   Wikipedia

• Glass ionomer cement — A Glass Ionomer Cement (GIC) is one of a class of materials commonly used in dentistry as filling materials and luting cements. These materials are based on the reaction of silicate glass powder and polyalkeonic acid. These tooth coloured… …   Wikipedia

• Glass — This article is about the material. For other uses, see Glass (disambiguation). Moldavite, a natural glass formed by meteorite impact, from Besednice, Bohemia …   Wikipedia

• Glass transition temperature — The glass transition temperature, T g, is the temperature at which an amorphous solid, such as glass or a polymer, becomes brittle on cooling, or soft on heating. More specifically, it defines a pseudo second order phase transition in which a… …   Wikipedia

• Glass electrode — A glass electrode is a type of ion selective electrode made of a doped glass membrane that is sensitive to a specific ion. It is an important part of the instrumentation for chemical analysis and physico chemical studies. In modern practice,… …   Wikipedia

• Glass microsphere — For microspheres made of other materials, see Microsphere. SEM micrograph of a glass microsphere in concrete Glass microspheres are microscopic spheres of glass manufactured for a wide variety of uses in research, medicine, consumer goods and… …   Wikipedia

• Glass transition — The liquid glass transition (or glass transition for short) is the reversible transition in amorphous materials (or in amorphous regions within semicrystalline materials) from a hard and relatively brittle state into a molten or rubber like state …   Wikipedia

• Coffee preparation — For the agricultural and industrial processes for producing whole coffee beans, see Coffee processing. Coffee preparation is the process of turning coffee beans into a beverage. While the particular steps needed vary with the type of coffee… …   Wikipedia

• sample preparation — ▪ chemistry Introduction  in analytical chemistry (chemistry), the processes in which a representative piece of material is extracted from a larger amount and readied for analysis. Sampling and sample preparation have a unique meaning and special …   Universalium