temperature barrier

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• Environmental threats to the Great Barrier Reef — The Great Barrier Reef is the world s largest coral reef system,cite web|author=UNEP World Conservation Monitoring Centre |year=1980|title=Protected Areas and World Heritage Great Barrier Reef World Heritage Area|url=http://sea.unep… …   Wikipedia

• Great Barrier Reef — The Great Barrier Reef * UNESCO World Heritage Site …   Wikipedia

• Thermal barrier coating — Thermal barrier coatings are highly advanced material systems applied to metallic surfaces, such as gas turbine or aero engine parts, operating at elevated temperatures. These coatings serve to insulate metallic components from large and… …   Wikipedia

• Dielectric barrier discharge — (DBD) is the electrical discharge between two electrodes separated by an insulating dielectric barrier. Originally called silent (inaudible) discharge and also known as ozone production discharge[1] or partial discharge,[2] it was first reported… …   Wikipedia

• 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

• Cable barrier — Cable barrier, sometimes referred to as guard cable, is a type of roadside or median barrier. It consists of steel wire ropes mounted on weak posts. As is the case with any roadside barrier, its primary purpose is to prevent a vehicle from… …   Wikipedia

• Coulomb barrier — The Coulomb barrier, named after Coulomb s law, which is named after physicist Charles Augustin de Coulomb (1736–1806), is the energy barrier due to electrostatic interaction that two nuclei need to overcome so they can get close enough to… …   Wikipedia

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

• Great Barrier Reef — noun a coral reef extending from near PNG down the coast of Qld to Lady Elliot Island just below the Tropic of Capricorn; the world s largest coral reef; inscribed on the World Heritage List in 1981. About 2000 km. Luis de Torres explored… …  

• Great Barrier Reef — a coral reef parallel to the coast of Queensland, in NE Australia. 1250 mi. (2010 km) long. Also called Barrier Reef. * * * Long stretch of coral reef, shoals, and islets in the Pacific Ocean, off the northeastern coast of Queensland, Australia.… …   Universalium

• Diffusion barrier — A diffusion barrier is a thin layer (usually micrometres thick) of metal usually placed between two other metals. It is done to act as a barrier to protect either one of the metals from corrupting the other.[1] Adhesion of a plated metal layer to …   Wikipedia