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The abbreviation is not always a short form of the word used in the clue. For example: "Knight" for N (the symbol used in chess notation) Taking this one stage further, the clue word can hint at the word or words to be abbreviated rather than giving the word itself. For example: "About" for C or CA (for "circa"), or RE.
Ötzi, also called The Iceman, is the natural mummy of a man who lived between 3350 and 3105 BC. Ötzi's remains were discovered on 19 September 1991, in the Ötztal Alps (hence the nickname "Ötzi", German: [œtsi]) at the Austria–Italy border. He is Europe's oldest known natural human mummy, offering an unprecedented view of Chalcolithic ...
Bronzes. A bronze is an alloy of copper and other metals, most often tin, but also aluminium and silicon. Aluminium bronzes are alloys of copper and aluminium. The content of aluminium ranges mostly between 5% and 11%. Iron, nickel, manganese and silicon are sometimes added.
Following is a list of minerals that serve as copper ores in the copper mining process: [1] Image Name Formula % Copper when pure Chalcopyrite: CuFeS 2: 34.5 Chalcocite:
Gold, silver and bronze or copper were the principal coinage metals of the ancient world, the medieval period and into the late modern period when the diversity of coinage metals increased. Coins are often made from more than one metal, either using alloys, coatings ( cladding / plating) or bimetallic configurations.
Hemerdon Mine, alternatively known as the Drakelands Mine or Hemerdon Ball or Hemerdon Bal Mine, [ 72] is a historic tungsten and tin mine, 11 km (7 miles) NE of Plymouth, near Plympton, in Devon. It lies to the north of the villages of Sparkwell and Hemerdon and adjacent to the large china clay pits near Lee Moor.
Rev: NWR’ ZY in Middle Persian i.e. Pahlavi to the left of the fire altar, and ’rthštr to the right of the fire altar. Sasanian coinage was produced within the domains of the Iranian Sasanian Empire (224–651). Together with the Roman Empire, the Sasanian Empire was the most important money-issuing polity in Late Antiquity. [ 1]
Copper arsenate (Cu 3 (AsO 4) 2 ·4H 2 O, or Cu 5 H 2 (AsO 4) 4 ·2H 2 O), also called copper orthoarsenate, tricopper arsenate, cupric arsenate, or tricopper orthoarsenate, is a blue or bluish-green powder insoluble in water and alcohol and soluble in aqueous ammonium and dilute acids. Its CAS number is 7778-41-8 or 10103-61-4 .