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is as good an insulator as

См. также в других словарях:

  • Insulator (electrical) — Ceramic insulator at railways Conducting copper wire insulate …   Wikipedia

  • Pin insulator — A pin insulator consists of a nonconducting material such as porcelain, glass, plastic, polymer, or wood that is formed into a shape that will isolate a wire from a physical support (or pin ) on a telegragh, utility pole or other structure,… …   Wikipedia

  • Metal–insulator transition — Metal insulator transitions are transitions from a metal (material with good electrical conductivity of electric charges) to an insulator (material where conductivity of charges is quickly suppressed). These transitions can be achieved by tuning… …   Wikipedia

  • Metal-insulator transition — Metal insulator transitions refer to changes in the transport properties of a given material. Roughly speaking, materials can be classified as metals, allowing for good conductivity of electric charges, and as insulators, where conductivity of… …   Wikipedia

  • spark plug insulator — A highly stressed part of the spark plug, usually made of alumina ceramic, which serves to insulate the center electrode and the terminal stud from the shell; its material must have high dielectric, mechanical and thermal strength as well as good …   Dictionary of automotive terms

  • Building insulation materials — A selection of insulation materials can aid in building insulation. All of these are based on standard principles of thermal insulation. Materials used to reduce heat transfer by conduction, radiation or convection are employed in varying… …   Wikipedia

  • Aerogel — is a low density solid state material derived from gel in which the liquid component of the gel has been replaced with gas. The result is an extremely low density solid with several remarkable properties, most notably its effectiveness as a… …   Wikipedia

  • semiconductor — /sem ee keuhn duk teuhr, sem uy /, n. 1. a substance, as silicon or germanium, with electrical conductivity intermediate between that of an insulator and a conductor: a basic component of various kinds of electronic circuit element (semiconductor …   Universalium

  • Materials for use in vacuum — are materials showing very low rate of outgassing in vacuum, and, where applicable, tolerant to the bake out temperatures. The requirements grow increasingly stringent with the desired degree of vacuum achievable in the vacuum chamber. The… …   Wikipedia

  • Beryllium oxide — Preferred IUPAC name Beryllium oxide[ …   Wikipedia

  • Polycarbonate — Repeating chemical structure unit of Polycarbonate made from bisphenol A Ph …   Wikipedia

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