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Today, Monday، 23 Dec 2024 - 17:59
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Acronym Finder

AVN
What is AVN ?
Aviation
AVN means air, which is the prefix most insurance, Air....
AVN
What is AVN ?
Australian Vaccination Network
Network vaccination Australia...
ILI
What is ILI ?
Iran Language Institute
Institute of language education of the foreign affiliate to the association fosters the intellectual development of children and adolescents in Iran....
CDL
What is CDL ?
Commercial Driver's License
Driver's license, commercial...
HAWT
What is HAWT ?
Horizontal Axis Wind Turbine
In wind turbines with horizontal axis that refer to the HAWT, also called the. rotor and an electric generator at the top of a tall tower located and should be in line with the wind and fall. Small wind turbines to determine the direction of wind blowing from a simple. but the turbine, more usually, from a sensor, the wind that with a in the relationship. they use. Most of these wind turbines, the use of a gear box, the speed of the rotation does blades up to speed, more for generator conversion....
AAC
What is AAC ?
Autoclave Aerated Concrete
AAC is a product of concrete technology is advanced, which in the early twentieth century in Sweden was invented.

in the year 1920 ad, Dr. Axel Ericsson, master, sweetheart, technology, building, in the Institute of royal Technology, Stockholm, Sweden. for the first time, gas concrete (Gas Concrete) to build. He observed that the mixture of lime and silica along with the cement powder and the aluminum powder material, concrete creates a porous and very light.

but this is the product of the resistance, many did not. "After testing multiple get that if the action collection of this material in high temperature and pressure, high done, a product concrete is porous with a high resistance to it, is due to the presence of gas bubbles in it, a good insulation is also considered. This product after changes in the formulation of Autoclaved Aerated Concrete and refer to the AAC was called.

about 50 years ago, the Germans also use this technology, and AAC under different commercial names for the production. Sync with Sweden and Germany, the UK and Eastern European countries is also ash to replace the Silica has long been that the AAC block produced in the construction they use.

now, with small changes in formulation and process related to AAC, etc. significant changes in the structure, it provide come and these changes enhance the physical properties of mechanical and AAC. In recent years, more than 450 producers in 41 countries around the world, AAC to produce and market supply.

(Autoclaved Aerated Concrete (AAC, who at the same time, means concrete sponge is known from the construction materials in the developed light-weight is that the body, etc. insulation and resistance against fire to form simple supply.

products, AAC, includes blocks, panel, wall, etc. panel, ceiling, and floor, and , that can mix (cement) for the isolation, superfoods, etc. for domestic consumption and foreign made. In addition to isolation, other rating this product on the building, consumption, quick and convenient it is....
NPG
What is NPG ?
National Portrait Gallery
The National Portrait Gallery (NPG) is an art gallery in the city of London the capital of England is a collection of portraits of the British that of Fame and historical importance are in it to the present. This gallery in 1856 was opened, and in its time, the first Portrait Gallery in the world. The National Portrait Gallery, which he briefly NPG is also called in 1896 to the location of The at the palace, Saint Martin, etc., next to the National Gallery was moved.

Philip Henry ., the fifth Earl ., the Thames Macaulay, the first Baron Macaulay and Thames Carlisle, etc., that are founding this gallery plays an important role and have head them to the damaging at the entrance of the main gallery is placed.

the portrait, to the display, placed in the National Portrait Gallery based on the importance and the reputation of Historical the same person selected and the name or reputation , etc. play a role in the choices they have. Also in the gallery alongside the paintings, the collection also photos, cartoons, and statues, collected.

among the works the gallery can be to the self-portrait of William and Sir Joshua Reynolds, portrait group, participants in the conference Somerset House in 1604, portrait, anamorphic Edward VI the effect of William , etc., painting, Patrick Bronte addition Charlotte, Emily, and it Bronte, and statues of Queen Victoria and her husband Prince Albert that are ages on tone are noted. Also from 1969, allowed to display orientation, portrait, people live also in this gallery is given....