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kilogram |
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kilogram, abbr. kg, fundamental unit of mass in the metric system metric system, system of weights and measures planned in France and adopted there in 1799; it has since been adopted by most of the technologically developed countries of the world. ..... Click the link for more information. , defined as the mass of the International Prototype Kilogram, a platinum-iridium cylinder kept at Sèvres, France, near Paris. Copies of this standard are deposited at bureaus of standards throughout the world, and other units of mass are defined in terms of it. When the metric system was originally devised, the kilogram was defined so that 1,000 cubic centimeters (1 cubic decimeter) of pure water has a mass of exactly 1 kilogram. kilogramSee metric system. kilogram 1. one thousand grams 2. the basic SI unit of mass, equal to the mass of the international prototype held by the Bureau International des Poids et Mesures. One kilogram is equivalent to 2.204 62 pounds. |
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Sweet potato yields showed the sharpest increase, jumping from an average of 2,085 kilogrammes per hectare in 1992-1994 to 3,540 kilogrammes per hectare in 1997. The need to haul hundreds of kilogrammes of cumbersome satellite equipment and feel restricted by a satellite truck is now history. In all, the Chemical Destruction Group of the special commission destroyed some 400,000 litres of sulphur mustard at the Muthanna site, nearly 28,000 chemical munitions (rockets, missile warheads, artillery shells and bombs), nearly 83,000 litres of nerve agents, more than 1,220,000 litres of key precursor chemicals for the production of mustard or nerve agents, and some 421,000 litres, 1,035,500 kilogrammes and 197 barrels of other chemical precursors. |
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