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zircon ceramic

См. также в других словарях:

  • refractory — refractorily, adv. refractoriness, n. /ri frak teuh ree/, adj., n., pl. refractories. adj. 1. hard or impossible to manage; stubbornly disobedient: a refractory child. 2. resisting ordinary methods of treatment. 3. difficult to fuse, reduce, or… …   Universalium

  • Diamond simulant — Due to its low cost and close visual likeness to diamond, cubic zirconia has remained the most gemologically and economically important diamond simulant since 1976. The high price of gem grade diamonds, as well as significant ethical concerns of… …   Wikipedia

  • Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

  • Zirconium dioxide — Zirconia redirects here. For the Sailor Moon character, see Dead Moon Circus. Chembox new Name = Zirconium dioxide ImageFile = CZ brilliant.jpg IUPACName = Zirconium dioxide; Zirconium(IV) oxide OtherNames = Zirconia; Baddeleyite Name =… …   Wikipedia

  • optical ceramics — Introduction       advanced industrial materials developed for use in optical applications.       Optical materials derive their utility from their response to infrared, optical, and ultraviolet light. The most obvious optical materials are… …   Universalium

  • Geology and Geochemistry — ▪ 2008 Introduction Diamond inclusions in ancient terrestrial rock provided clues about the early history of Earth s crust. Scientists studied slow earthquakes and the crystalline structure of Earth s inner core. International scientific studies… …   Universalium

  • Zirconium(IV) silicate — Chembox new Name = Zirconium(IV) silicate ImageFile = zirconium(IV) silicate.jpg ImageName = Zirconium(IV) silicate OtherNames = zirconium orthosilicate Section1 = Chembox Identifiers CASNo = 10101 52 7 Section2 = Chembox Properties Formula =… …   Wikipedia

  • chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… …   Universalium

  • Investment casting — For investment casting in art, see lost wax casting. Investment casting, also called lost wax casting, is one of the oldest known metal forming techniques. From 5,000 years ago, when beeswax formed the pattern, to today’s high technology waxes,… …   Wikipedia

  • jewelry — /jooh euhl ree/, n. 1. articles of gold, silver, precious stones, etc., for personal adornment. 2. any ornaments for personal adornment, as necklaces or cuff links, including those of base metals, glass, plastic, or the like. Also, esp. Brit.,… …   Universalium

  • Tin dioxide — chembox new ImageFile = Rutile unit cell 3D balls.png ImageSize = 150px IUPACName = Tin(IV) oxide SystematicName = OtherNames = stannic oxide, tin(IV) oxide, stannic oxide, stannic anhydride, flowers of tin Section1 = Chembox Identifiers… …   Wikipedia

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