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Cyanines, also referred to as tetramethylindo (di)-carbocyanines [1] are a synthetic dye family belonging to the polymethine group. Although the name derives etymologically from terms for shades of blue, the cyanine family covers the electromagnetic spectrum from near IR to UV . Chemically, cyanines are a conjugated system between two nitrogen ...
The Electroline; the first computerized, electronic line judge device, introduced in 1974. An electronic line judge is a device used in tennis to automatically detect where a ball has landed on the court. Attempts to revolutionize tennis officiating and the judging of calls in the sport began in the early 1970s and has resulted in the design ...
Electrode line. An electrode line is used in some high-voltage direct-current (HVDC) power transmission systems, to connect the converter stations to distant ground electrodes. Many long-distance HVDC systems use sea or ground return for the DC neutral current since this is considerably cheaper than providing a dedicated metallic return ...
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Electroliner. Passengers boarding the restored Electroliner at the Illinois Railway Museum. The Electroliners are a pair of streamlined interurban trainsets built by the St. Louis Car Company in 1941. Initially numbered 801–802 and 803–804, they were operated by the Chicago North Shore and Milwaukee Railroad from 1941 to 1963, followed by ...
This is a list of settlements in Cyprus. The English name is indicated first, followed by the Greek and Turkish names, in turn followed by any former names, including ones used in antiquity. Note that even though, prior to the 1974 Turkish invasion of Cyprus , Turkish names existed for some villages/towns, due to political reasons, most of the ...
Telecommunications in Cyprus. Telecommunications in Cyprus includes radio, television, fixed and mobile telephones, and the Internet, in the Republic of Cyprus . CYTA, the state-owned telecommunications company, manages most telecommunications and internet connections on the island.
Chlorine. orthorhombic ( oS8) Chlorine is a chemical element; it has symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. Chlorine is a yellow-green gas at room temperature. It is an extremely reactive element ...