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low-alkali glass

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  • 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 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 fiber reinforced concrete — (GFRC) is a type of fiber reinforced concrete. Glass fiber concretes are mainly used in exterior building façade panels and as architectural precast concrete. This material is very good in making shapes on the front of any building and it is less …   Wikipedia

  • Alkali metal — Group → 1 ↓ Period 2 3 Li 3 …   Wikipedia

  • alkali feldspar — Any of several common silicate minerals that often occur as whitish to variously coloured, glassy crystals. The alkali feldspars may be regarded as mixtures of sodium aluminosilicate (NaAlSi3O8) and potassium aluminosilicate (KAlSi3O8). Both the… …   Universalium

  • industrial glass — Introduction       solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …   Universalium

  • Lead glass — Swarovski flacon. Lead glass is a variety of glass in which lead replaces the calcium content of a typical potash glass.[1] Lead glass contains typically 18–40 weight% lead(II) oxide (PbO), while modern lead …   Wikipedia

  • Early modern glass in England — The early modern period in England (c. 1500 1800) brought on a revival in local glass production. Medieval glass had been limited to the small scale production of forest glass for window glass and vessels, predominantly in the WealdKenyon, G.H.,… …   Wikipedia

  • crown glass — noun 1. a glass blown into a globe which is later flattened and spun to form a disk • Hypernyms: ↑glass 2. optical glass of low dispersion and low refractive index • Syn: ↑optical crown, ↑optical crown glass • Hypernyms: ↑optical glass …   Useful english dictionary

  • Calculation of glass properties — [ refractive index. [ [http://glassproperties.com/refractive index/ Calculation of the Refractive Index of Glasses] ] ] The calculation of glass properties (glass modeling) is used to predict glass properties of interest or glass behavior under… …   Wikipedia

  • volcanic glass — a natural glass produced when molten lava cools very rapidly; obsidian. [1830 40] * * * Any glassy rock formed from lava or magma that has a chemical composition close to that of granite. Such molten material may reach very low temperatures… …   Universalium

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