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  2. Unturned - Wikipedia

    en.wikipedia.org/wiki/Unturned

    Unturned was developed by Nelson Sexton, an indie game developer from Calgary, Canada. He was only sixteen years old at the time of Unturned 's first release. Sexton started his career with Roblox, creating two of the most-popular games on the platform at that time, Battlefield and Deadzone. [4] Deadzone was a zombie-survival game similar to ...

  3. Ammonia production - Wikipedia

    en.wikipedia.org/wiki/Ammonia_production

    The Process to make ammonia from coal. Making ammonia from coal is mainly practised in China, where it is the main source. [6] Oxygen from the air separation module is fed to the gasifier to convert coal into synthesis gas (H 2, CO, CO 2) and CH 4. Most gasifiers are based on fluidized beds that operate above atmospheric pressure and have the ...

  4. Fertilizer - Wikipedia

    en.wikipedia.org/wiki/Fertilizer

    A farmer spreading manure to improve soil fertility. A fertilizer ( American English) or fertiliser ( British English) is any material of natural or synthetic origin that is applied to soil or to plant tissues to supply plant nutrients. Fertilizers may be distinct from liming materials or other non-nutrient soil amendments.

  5. Ammonium nitrate - Wikipedia

    en.wikipedia.org/wiki/Ammonium_nitrate

    Ammonium nitrate is a chemical compound with the formula NH4NO3. It is a white crystalline salt consisting of ions of ammonium and nitrate. It is highly soluble in water and hygroscopic as a solid, although it does not form hydrates. It is predominantly used in agriculture as a high-nitrogen fertilizer.

  6. Bomb - Wikipedia

    en.wikipedia.org/wiki/Bomb

    Bomb. Look up bomb in Wiktionary, the free dictionary. An iron grenade with a wooden fuse from 1580. A bomb is an explosive weapon that uses the exothermic reaction of an explosive material to provide an extremely sudden and violent release of energy. Detonations inflict damage principally through ground- and atmosphere-transmitted mechanical ...

  7. History of fertilizer - Wikipedia

    en.wikipedia.org/wiki/History_of_fertilizer

    In France, Jean Baptiste Boussingault (1802–1887) pointed out that the amount of nitrogen in various kinds of fertilizers is important. Metallurgists Percy Gilchrist (1851–1935) and Sidney Gilchrist Thomas (1850–1885) invented the Gilchrist–Thomas process, which enabled the use of high phosphorus acidic Continental ores for steelmaking.

  8. Haber process - Wikipedia

    en.wikipedia.org/wiki/Haber_process

    Haber process. The Haber process, [ 1] also called the Haber–Bosch process, is the main industrial procedure for the production of ammonia. [ 2][ 3] It converts atmospheric nitrogen (N 2) to ammonia (NH 3) by a reaction with hydrogen (H 2) using a finely divided iron metal catalyst: This reaction is slightly favorable in terms of enthalpy ...

  9. UAN - Wikipedia

    en.wikipedia.org/wiki/UAN

    For other uses, see UAN (disambiguation). UAN is a solution of urea and ammonium nitrate in water used as a fertilizer. The combination of urea and ammonium nitrate has an extremely low critical relative humidity (18% at 30 °C) and can therefore only be used in liquid fertilizers. The most commonly used grade of these fertilizer solutions is ...