barrier material

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• Material discography — Material discography Releases ↙Studio albums 6 ↙Live albums 2 …   Wikipedia

• Barrier pipe — A barrier pipe is a type of plastic water pipe used in domestic heating systems. The pipe is manufactured with a barrier that prevents oxygen from penetrating the material and entering the water system, reducing the risk of corrosion.The barrier… …   Wikipedia

• Barrier metal — A barrier metal is a material used in integrated circuits to chemically isolate semiconductors from soft metal interconnects, while maintaining an electrical connection between them. For instance, a layer of barrier metal must surround every… …   Wikipedia

• barrier — 1. An obstacle or impediment. 2. In psychiatry, a conflictual agent that blocks behavior that could help resolve a personal struggle. [M.E., fr. O.Fr. barriere, fr. L.L. barraria] blood air b. the material intervening between alveolar air and the …   Medical dictionary

• barrier — noun Etymology: Middle English barrere, from Anglo French, from barre bar Date: 14th century 1. a. something material that blocks or is intended to block passage < highway barriers > < a …   New Collegiate Dictionary

• Material properties of diamond — This article addresses the material properties of diamond. For a broader discussion of diamonds, see diamond. For other uses of the word diamond, see diamond (disambiguation). Diamond An octahedral diamond crystal in matrix Gener …   Wikipedia

• barrier board — noun noncombustible board stock material of low thermal conductivity placed between two elements of a roof assembly …   Wiktionary

• Radiant barrier — Radiant barriers or reflective barriers work by reducing heat transfer by thermal radiation. All materials give off, or emit, energy by thermal radiation as a result of their temperature. The amount of energy emitted depends on the surface… …   Wikipedia

• Noise barrier — The sound tube in Melbourne, Australia, designed to reduce roadway noise without detracting from the area s aesthetics. A noise barrier (also called a soundwall, sound berm, sound barrier, or acoustical barrier) is an exterior structure designed… …   Wikipedia

• Heterostructure barrier varactor — diode The Heterostructure barrier varactor (HBV) diode was invented by Erik Kollberg together with Anders Rydberg in 1989 at Chalmers University of Technology. This semiconductor diode has an anti symmetric current voltage relationship and a… …   Wikipedia

• Vapor barrier — 6 mil Polyethylene plastic sheet as vapor barrier between insulation and gypsum board …   Wikipedia