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Drag reducing agents have been found useful in reducing turbulence in the shipbuilding industry, for fire-fighting operations, oil-well fracturing processes, [5] in irrigation systems and in central heating devices. Drag reducers can work in a couple of different fields. The most popular are crude oil, refined products and non-potable water.
Dopamine antagonist. A dopamine antagonist, also known as an anti-dopaminergic and a dopamine receptor antagonist (DRA), is a type of drug which blocks dopamine receptors by receptor antagonism. Most antipsychotics are dopamine antagonists, and as such they have found use in treating schizophrenia, bipolar disorder, and stimulant psychosis. [1]
Dielectric resonator antenna. A dielectric resonator antenna (DRA) is a radio antenna mostly used at microwave frequencies and higher, that consists of a block of ceramic material of various shapes, the dielectric resonator, mounted on a metal surface, a ground plane. Radio waves are introduced into the inside of the resonator material from the ...
Drag (physics) In fluid dynamics, drag, sometimes referred to as fluid resistance, is a force acting opposite to the relative motion of any object moving with respect to a surrounding fluid. [1] This can exist between two fluid layers, two solid surfaces, or between a fluid and a solid surface. Drag forces tend to decrease fluid velocity ...
Total equity. $1.150 billion (2012) Number of employees. 911 (2012) Footnotes / references. [1] Colonial Properties Trust was a publicly traded diversified real estate investment trust headquartered in Birmingham, Alabama. In October 2013, the company was acquired by Mid-America Apartment Communities.
The bar and lounge: To the right of the hostess stand, the bar and lounge area awaits with a combination of booths and high tops.Off white tables sans table clothes flanked by offset, light brown ...
Draconids. The October Draconids, in the past also unofficially known as the Giacobinids, are a Northern hemisphere meteor shower whose parent body is the periodic comet 21P/Giacobini-Zinner. They are named after the constellation Draco, where they seemingly come from.
SAR $32 billion (2021) [2] Total equity. SAR $19.159 (2021) [2] Website. Dar Al Arkan. Dar Al Arkan Real Estate (DAAR) (Arabic: دار الأركان) is a Saudi Arabian property development company. It is the largest developer by market value in Saudi Arabia. [3] Dar Al Arkan is also involved in the acquisition, development, construction ...