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  2. Stoplogs - Wikipedia

    en.wikipedia.org/wiki/Stoplogs

    Stoplogs of a hydro power plant which can close the water flow to the turbine. Stoplogs are hydraulic engineering control elements that are used in floodgates to adjust the water level or discharge in a river, canal, or reservoir. Stoplogs are sometimes confused with flashboards, as both elements are used in bulkhead or crest gates.

  3. AlSi10Mg - Wikipedia

    en.wikipedia.org/wiki/AlSi10Mg

    AlSi10Mg-0403 alloy is a specific type of AlSi10Mg that comprises aluminium alloyed with silicon of mass fraction up to 10%, small quantities of magnesium and iron, along with other minor elements. The presence of silicon makes the alloy both harder and stronger than pure aluminium due to the formation of Mg2Si precipitate.

  4. History of aluminium - Wikipedia

    en.wikipedia.org/wiki/History_of_aluminium

    History of aluminium. Extrusion billets of aluminium in Yugoslavia, 1968. Aluminium (or aluminum) metal is very rare in native form, and the process to refine it from ores is complex, so for most of human history it was unknown. However, the compound alum has been known since the 5th century BCE and was used extensively by the ancients for dyeing.

  5. Aluminium smelting - Wikipedia

    en.wikipedia.org/wiki/Aluminium_smelting

    Aluminium smelting. Straumsvik aluminum smelter, operated by Rio Tinto Alcan in Iceland. Aluminium smelting is the process of extracting aluminium from its oxide, alumina, generally by the Hall-Héroult process. Alumina is extracted from the ore bauxite by means of the Bayer process at an alumina refinery .

  6. Antihemorrhagic - Wikipedia

    en.wikipedia.org/wiki/Antihemorrhagic

    Antihemorrhagic. An antihemorrhagic ( British English: antihaemorrhagic) agent is a substance that promotes hemostasis (stops bleeding ). [1] It may also be known as a hemostatic (also spelled haemostatic) agent. [2] Antihemorrhagic agents used in medicine have various mechanisms of action:

  7. Aluminium - Wikipedia

    en.wikipedia.org/wiki/Aluminium

    Aluminium ( Aluminum in North American English) is a chemical element; it has symbol Al and atomic number 13. Aluminium has a density lower than that of other common metals, about one-third that of steel. It has a great affinity towards oxygen, forming a protective layer of oxide on the surface when exposed to air.

  8. Isotopes of aluminium - Wikipedia

    en.wikipedia.org/wiki/Isotopes_of_aluminium

    Aluminium or aluminum ( 13 Al) has 22 known isotopes from 22 Al to 43 Al and 4 known isomers. Only 27 Al ( stable isotope) and 26 Al ( radioactive isotope, t 1/2 = 7.2 × 105 y) occur naturally, however 27 Al comprises nearly all natural aluminium. Other than 26 Al, all radioisotopes have half-lives under 7 minutes, most under a second.

  9. 1060 aluminium alloy - Wikipedia

    en.wikipedia.org/wiki/1060_aluminium_alloy

    1060 aluminium alloy. 1060 aluminium alloy is an aluminium -based alloy in the "commercially pure" wrought family (1000 or 1xxx series). It is fundamentally very similar to 1050 aluminium alloy, with the difference coming down to 0.1% aluminium by weight. However, while both 1050 and 1060 are covered by the same ISO standard, they are covered ...

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