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ZNS
ZNS or ZnS may refer to: * Zinc sulfide Zinc sulfide (or zinc sulphide) is an inorganic compound with the chemical formula of ZnS. This is the main form of zinc found in nature, where it mainly occurs as the mineral sphalerite. Although this mineral is usually black because of various i ... or zinc sulphide (ZnS), a chemical compound * ZNS-TV, a national radio and TV broadcaster operated by the state-owned Broadcasting Corporation of The Bahamas ** ZNS-1, the oldest broadcast station in the Bahamas {{disambiguation ...
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Zinc Sulfide
Zinc sulfide (or zinc sulphide) is an inorganic compound with the chemical formula of ZnS. This is the main form of zinc found in nature, where it mainly occurs as the mineral sphalerite. Although this mineral is usually black because of various impurities, the pure material is white, and it is widely used as a pigment. In its dense synthetic form, zinc sulfide can be transparent, and it is used as a window for visible optics and infrared optics. Structure ZnS exists in two main crystalline forms. This dualism is an example of polymorphism. In each form, the coordination geometry at Zn and S is tetrahedral. The more stable cubic form is known also as zinc blende or sphalerite. The hexagonal form is known as the mineral wurtzite, although it also can be produced synthetically.. The transition from the sphalerite form to the wurtzite form occurs at around 1020 °C. A tetragonal form is also known as the very rare mineral called polhemusite, with the formula . Applicatio ...
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ZNS-TV
ZNS (Zephyr Nassau Sunshine) is a national television broadcaster operated by the state-owned Broadcasting Corporation of The Bahamas (BCB). ZNS-TV's two transmitters, serving Nassau and Freeport, are the only over-the-air TV stations in the country. The rest of the country receives these channels (and a privately owned station) via Cable Bahamas, a privately held company that maintained an exclusive licence to operate cable TV services until 2009. BCB also owns ZNS-1 AM Radio 1540 (a clear-channel station), its repeater, ZNS-1 on 104.5, ZNS-2 AM 1240, 107.9 "Inspiration 107.9 FM" in Nassau, and ZNS-3 AM 810 / FM 104.5 "Power 104.5" in Freeport. History ZNS radio was founded in 1937 to broadcast hurricane warnings to the islands throughout the archipelago. At its inception, the station broadcast for two hours a day, featuring news and musical recordings from the BBC and Nassau sources. The radio station eventually established another transmitter in Freeport on the island of ...
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