Search results
Results From The WOW.Com Content Network
The Zambia National Service, abbreviated ZNS, [2] is part of the Zambian Defence Force, has been a cornerstone of national development since its establishment in 1971 through an Act of Parliament. [ 3 ] [ 4 ] Committed to the twin objectives of training civilian and safeguarding the territorial integrity of Zambia, [ 5 ] [ 6 ] [ 7 ] the ZNS Act ...
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.
VNG Corporation (Vietnamese: CTCP VNG, lit. 'VNG JSC '), also recognized by its former brand name, VinaGame (VNG), is a Vietnamese technology company founded in 2004. It specialises in digital content, online entertainment, social networking, and e-commerce. [2] Its focus is on four main businesses, including online games, platforms, digital ...
Zambian Defence Force. The Zambian Defence Force is the military of Zambia. It consists of the Zambian Army, the Zambian Air Force, and the Zambia National Service. [2] The defence forces were formed at Zambian independence on 24 October 1964, from constituent units of the dissolved Federation of Rhodesia and Nyasaland Armed Forces. [3]
Zinc compounds. Zinc compounds are chemical compounds containing the element zinc which is a member of the group 12 of the periodic table. The oxidation state of zinc in most compounds is the group oxidation state of +2. Zinc may be classified as a post-transition main group element with zinc (II).
Sphalerite is a sulfide mineral with the chemical formula (Zn, Fe) S. [5] It is the most important ore of zinc. Sphalerite is found in a variety of deposit types, but it is primarily in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide deposits.
Zambia is a landlocked country in southern Africa, with a tropical climate, and consists mostly of high plateaus with some hills and mountains, dissected by river valleys. At 752,614 km 2 (290,586 sq mi) it is the 39th-largest country in the world, slightly smaller than Chile.
Zinc sulfide (ZnS) is used in luminescent pigments such as on the hands of clocks, X-ray and television screens, and luminous paints. [146] Crystals of ZnS are used in lasers that operate in the mid-infrared part of the spectrum. [147] Zinc sulfate is a chemical in dyes and pigments. [143] Zinc pyrithione is used in antifouling paints. [148]