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    This Review contains major "Barrier"- related terms, short phrases and links grouped together in the form of Encyclopedia article.


  1. The barrier was designed by Rendel, Palmer and Tritton for the Greater London Council and tested at HR Wallingford.
  2. The barrier was designed by Rendel, Palmer and Tritton for the GLC, the concept of the rotating gates was devised by Charles Draper.
  3. The barrier was originally commissioned by the Greater London Council under the guidance of Ray Horner. (Web site)
  4. The barrier was designed to cope with sea level rises until around 2030.
  5. The barrier is 169 meters in height having the barrier top width of 12 meters with a lenght of 800 meters and blocks the flow of the Nan river at Pha Som. (Web site)


  1. This plastic coating creates a barrier between your teeth and the decay-causing bacteria that live in plaque.
  2. Sealants fit into the grooves and depressions of the tooth and act as a barrier, protecting against acid and plaque. (Web site)
  3. This sealant acts as a barrier, protecting the decay prone areas of the back teeth from plaque and acid.


  1. Teeth (singular tooth) are small, calcified, whitish structures found in the jaws (or mouths) of many vertebrates that are used to break down food.
  2. Sealants provide a physical barrier so that cavity-causing bacteria cannot invade the pits and fissures on the chewing surfaces of teeth. (Web site)
  3. This plastic substance bonds into the depressions and grooves of the teeth and acts as a barrier, protecting enamel by "sealing out" plaque and acids.
  4. Topical fluoride applications or sealants (plastic coatings that form a barrier between bacteria and the chewing surfaces of the teeth) may be recommended.

Low Barrier

  1. The Hart Ranges Ecosection is a mountainous area that forms a low barrier to the eastward moving Pacific air or southwestward moving Arctic air. (Web site)

Secure Barrier

  1. Put a secure barrier between your hard drive & hackers. (Web site)
  2. Minimize your risk by making only one of them publically available and hiding the rest behind a secure barrier or firewall.


  1. Sealants form a thin barrier that helps protect the chewing surfaces from the effects of decay-causing bacteria. (Web site)

Separation Barrier

  1. This barrier would leave the shrine on the "Israeli" side of the separation barrier. (Web site)
  2. The separation barrier was first constructed to improve security in Israel. (Web site)
  3. The Israeli Government seized land belonging to several religious institutions to build its separation barrier between East Jerusalem and the West Bank. (Web site)

Waterproof Barrier

  1. Thus, the effectiveness of the waterproof barrier provided by the roofing structure is often limited to the life of the underlayment. (Web site)
  2. The roof provides a waterproof barrier to the elements. (Web site)
  3. Typically used as a waterproof barrier, in the form of a compression gasket for mechanically attached applications.

Blood-Cerebrospinal Fluid Barrier

  1. Fluid movement within the brain is limited by the blood-brain barrier, brain-cerebrospinal fluid barrier and the blood-cerebrospinal fluid barrier. (Web site)

Secondary Barrier

  1. Install Asphalt Saturated Organic Felts as a secondary barrier to moisture caused by wind-driven rain and ice damming.
  2. Not normally, the underlayment ("tar paper") provides a secondary barrier to the weather. (Web site)

Waterproofing Barrier

  1. Other parts of a building structure besides the roof often require a waterproofing barrier. (Web site)
  2. Ripped or torn underlayment will not serve as an effective waterproofing barrier and must be patched before the roofing material (e.g. (Web site)

Air Barrier

  1. An air barrier retards the flow of heated air to the underside of the roof. (Web site)
  2. It is, as the name suggests, a barrier to radiant heat movement, the same as a vapor barrier blocks water vapor migration and an air barrier stops air flow. (Web site)
  3. Properly installed underlayment may act as an air barrier, making attic ventilation details more important in certain climates.

Sealants Act

  1. Sealants act as a barrier, protecting tooth enamel from plaque bacteria and acid.

Jersey Barrier

  1. A Jersey barrier stands 3 feet tall and is made of poured concrete.
  2. This strip may be as simple as a grassy area, or may include a crash barrier such as a Jersey barrier to prevent head-on collision s.
  3. The F-shape barrier is similar to the New Jersey barrier, but bottom section is lower and the slope a bit flatter. (Web site)

Majority Carrier

  1. First, a band offset at one of the interfaces (316 or 318) that acts as a barrier to conduction to the majority carrier from the top layer 306. (Web site)

Barrier Reefs

  1. Diving is good, not great, because right off shore from the Punta Cana side the water is riddled with barrier reefs.
  2. Lush green high islands with their peaks in the clouds surrounded by barrier reefs or no reef and with beaches of black basalt sand or white coral sand. (Web site)

Significant Barrier

  1. Such measures were a significant barrier to the diffusion of rice in Europe.
  2. For example, silicon dioxide is a dielectric insulator that poses a significant barrier to the flow of current. (Web site)

Potential Barrier

  1. This lost energy, necessary to overcome the potential barrier in order to separate the objects, is the binding energy. (Web site)

Water Vapor

  1. The inventive non-asphaltic underlayment of the present invention acts as a barrier to moisture, but allows air and water vapor to pass therethrough. (Web site)
  2. It is important to understand how water vapor acts in order to understand the uses of water vapor barrier paint. (Web site)

Radiant Barrier

  1. Still another variation is to attach the radiant barrier directly to the underside of the roof deck. (Web site)
  2. During cold weather, a radiant barrier on top of the insulation could cause water vapor to condense on the barrier's underside.
  3. The radiant barrier layer 32 also serves to improve the fire resistance of the roofing underlayment 10. (Web site)

Barrier Islands

  1. These estuaries are semi-isolated from ocean waters by barrier beaches (barrier islands and barrier spits). (Web site)

Barrier Island

  1. Barrier Islands - A barrier island is a long narrow ridge of sand just offshore running parallel to the coast. (Web site)

Coulomb Barrier

  1. The nuclei do not actually have to have enough energy to overcome the Coulomb barrier completely.

Protective Barrier

  1. A personal firewall creates a protective barrier between your computer and potentially harmful content on the Internet.
  2. Sealants form a protective barrier by bonding to tooth surfaces and covering the natural depressions and grooves. (Web site)
  3. Del Bigio MR (1995) The ependyma: a protective barrier between brain and cerebrospinal fluid.

Roof Deck

  1. Moisture Guard Plus creates a barrier that helps prevent water from penetrating the roof deck and coming into your home. (Web site)
  2. The rigid insulation 14 is made up of several rigid boards placed edge to edge across the roof deck to form an underlayment that serves as a thermal barrier. (Web site)
  3. Felt or underlayment -- Asphalt-impregnated roofing paper that creates a secondary, watertight barrier between many roofing products and the roof deck. (Web site)

Vapor Barrier

  1. ROOF SYSTEM - General term referring to the waterproof covering, roof insulation, vapor barrier, if used and roof deck as an entity.
  2. Improperly applied felt: Buckling can occur when the vapor barrier know as felt (or commonly referred to as tar paper) is installed wrong. (Web site)
  3. The problem is that in climates with hot summers and cold winters, the vapor barrier will be on the wrong side of the insulation at least part of the year. (Web site)

Great Barrier Reef

  1. Heading west through the Torres Strait, Pandora ran aground on a reef (part of the Great Barrier Reef) on 29 August 1791.
  2. The Great Barrier Reef, at 2,000 km in length The Great Wall of China is a human-built megastructure, 6,700 km in length. (Web site)
  3. From the island you are free to explore as you please, with tours of the Great Barrier Reef, The Whitsunday Islands and the rainforests of the mainland. (Web site)


  1. But the nuclei can "tunnel" through the barrier, getting close enough to feel the strong nuclear force.


  1. Because the sealants act as a physical barrier to decay and plaque build-up, in most cases, they provide 100 percent protection.
  2. It protects the ground from erosion by playing the role of barrier (for example, protection from water and wind).


  1. Ointments or creams may be less irritating than lotions or liquid solutions, but ointments create a barrier over the skin and don't allow it to receive air. (Web site)
  2. Barrier creams and lotions can be used to prevent urushiol from contacting the skin or to reduce the severity of a reaction. (Web site)
  3. This form of psoriasis is serious because, like a burn, it keeps the skin from serving as a protective barrier against injury and infection. (Web site)


  1. Barrier creams and lotions help prevent the plant oil (urushiol) from coming in contact with the skin or reduce the severity of a reaction. (Web site)
  2. If the barrier is too thin, the copper and CS layers will come into contact with one another and diffusion will take place. (Web site)
  3. There was minimal damage to the right front corner of Stewart's car, while the contact sent Burton backward into a tire barrier.


  1. A dental sealant is a plastic coating that is applied to the chewing surface of permanent molar teeth providing a protective barrier.
  2. This sealant acts as a barrier, protecting the decay-prone areas of the back teeth from plaque and acid. (Web site)


  1. The material of the moisture blocking layer (gas barrier layer) is preferably an inorganic material such as silicon nitride or silicon oxide. (Web site)
  2. As the density of the material in contact with the barrier increases the effectiveness decreases.


  1. The Drakensberg mountains of South Africa or uKhahlamba (the Barrier of Spears) is a 200-kilometre-long mountainous wonderland and world heritage site. (Web site)


  1. Further, instead of the "deviation aside" of nominal close misses, the reversed Coulomb barrier can convert a near miss into a collision "hit". (Web site)


  1. Sealants create a barrier between teeth and the sugars and bacteria that can cause tooth decay. (Web site)


  1. The barrier height is defined as the potential difference between the Fermi energy of the metal and the band edge where the majority carrier reside. (Web site)
  2. Such a situation no longer leads itself to direct interpretations as the height of a potential barrier. (Web site)
  3. The height of the barrier corresponds to the energy increase if the magnetization 3 is aligned along the hard axis. (Web site)

Sea Level

  1. This barrier has helped the farmers in Kuttanad - where farming is done below sea level. (Web site)
  2. From Unalakleet, the Trail generally stays at or near sea level as it skirts Norton Sound along the tidewater lagoons, spits, and barrier beaches. (Web site)
  3. The proposed site is 400 metres above sea level with spectacular views across the coastal flats to the Coral Sea and the Great Barrier Reef in the distance.


  1. The barrier worked and infiltration subsided.[8] Five years later, India sought to extend the barrier 620 miles through Jammu and Kashmir. (Web site)
  2. Article 370 - It poses a psychological barrier for the full integration of the people of Jammu & Kashmir with the national mainstream.
  3. India is completing a separation barrier between Indian and Pakistani controlled areas of Kashmir to prevent infiltration by Pakistani based militants.


  1. Morocco has built a barrier against Algerian infiltration in the disputed territory of Western Sahara. (Web site)
  2. Morocco has constructed a separation barrier in Western Sahara to keep the guerrilla fighters of Polisario out.


  1. Guam was added to the North American Numbering Plan in 1997, removing the barrier of high cost international long-distance calls to the U.S. Mainland. (Web site)
  2. Biscayne Bay is a bay located on the Atlantic coast of south Florida, between Miami Beach on the barrier islands, and Miami on the mainland. (Web site)
  3. They are separated from the mainland by the Sea of Japan, which historically served as a protective barrier. (Web site)


  1. Viruses easily bypass the blood-brain barrier by attaching themselves to circulating immune cells. (Web site)


  1. The plastic material fits into the grooves of these back teeth and acts as a barrier, protecting the enamel from plaque and acids.
  2. The sealant acts as a barrier, protecting enamel from plaque and acids.


  1. For example, the barrier between the passenger compartment and engine compartment in a car is known as a firewall. (Web site)
  2. He spun in turn two, impacting the SAFER barrier on the outside retaining wall with the left side of the car.


  1. Sealants act as a barrier to prevent bacteria and food from collecting and sitting on the grooves and pits of teeth. (Web site)
  2. Right after the car left the pits, the right rear came off, the car spun, hit the tire barrier and rolled onto its roof.
  3. The sealant-a pastic resin-bondsinto the pits and fissures and acts as a barrier, protecting enamel from plaque and acids.


  1. This amino acid is important in the metabolism of sugars and fats, and aids in the transportation of potassium across the blood-brain barrier. (Web site)
  2. This amino acid is important in the metabolism of sugars and fats, and aids in transportation of potassium across blood brain barrier.
  3. Calculations show that sediment cover is not a significant barrier to the diffusion of potassium into the basalt. (Web site)


  1. The junction acts as a barrier to the flow of electricity in one direction but presents almost no resistance in the other direction.


  1. Break
  2. Africa > Mediterranean > Jordan > West Bank
  3. Protecting
  4. Plaque
  5. Broken

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  Short phrases about "Barrier"
  Originally created: June 29, 2008.
  Links checked: December 28, 2012.
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