- glass seals
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English-Bulgarian polytechnical dictionary . 2013.
English-Bulgarian polytechnical dictionary . 2013.
Glass-to-metal seal — Glass to metal seals are a very important element of the construction of vacuum tubes, electric discharge tubes, incandescent light bulbs, glass encapsulated semiconductor diodes, reed switches, pressure tight glass windows in metal cases, and… … Wikipedia
Glass-ceramic-to-metal seals — Glass to metal seals have been around for many years, with one of the most common uses being lamp bulb seals. A more recent invention is glass ceramic to metal seals.Properties Glass ceramics are polycrystalline ceramic materials prepared by the… … 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
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 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 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
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
Sight glass — A sight glass or water gauge is a transparent tube through which the operator of a tank or boiler can observe the level of liquid contained within. Liquid in tanksSimple sight glasses may be just a plastic or glass tube connected to the bottom of … Wikipedia
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
Cranberry glass — Vintage cranberry glass bowl Cranberry glass (or Gold Ruby glass as it is known in Europe, or Rubino Oro as it is known by glass workers) is a red glass made by adding gold(III) chloride to molten glass. Tin, in the form of stannous chloride, is… … Wikipedia