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  2. Waste input-output model - Wikipedia

    en.wikipedia.org/wiki/Waste_Input-Output_Model

    Here represents the square matrix of input coefficients, denotes releases (such as emissions or waste) per unit of output or the intervention matrix, stands for the vector of final demand (or functional unit), is the identity matrix, and represents the resulting releases (For further details, refer to the input-output model).

  3. Agricultural wastewater treatment - Wikipedia

    en.wikipedia.org/wiki/Agricultural_wastewater...

    Although milk is an important food product, its presence in wastewaters is highly polluting because of its organic strength, which can lead to very rapid de-oxygenation of receiving waters. Milking parlour wastes also contain large volumes of wash-down water, some animal waste together with cleaning and disinfection chemicals.

  4. Imperial units - Wikipedia

    en.wikipedia.org/wiki/Imperial_units

    The former Weights and Measures office in Seven Sisters, London (590 Seven Sisters Road). The imperial system of units, imperial system or imperial units (also known as British Imperial [1] or Exchequer Standards of 1826) is the system of units first defined in the British Weights and Measures Act 1824 and continued to be developed through a series of Weights and Measures Acts and amendments.

  5. List of unusual units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_unusual_units_of...

    The US Food and Drug Administration (FDA) defines the "food labeling ounce" as 30 ml (1.1 imp fl oz; 1.0 US fl oz), slightly larger than the 29.6 ml (1.04 imp fl oz; 1.00 US fl oz) fluid ounce. [37] Several Dutch units of measurement have been replaced with informal metric equivalents, including the ons or ounce.

  6. Farm water - Wikipedia

    en.wikipedia.org/wiki/Farm_water

    Typically, a mature cow consumes 7 to 24 gallons of water a day; lactating cows require about twice as much water. [6] The amount of water that cattle may drink in a day also depends upon the temperature. [7] Cattle have a feed conversion ratio of 6:1, for every six pounds of food consumed, the animal should gain one pound. [8]

  7. Gallon - Wikipedia

    en.wikipedia.org/wiki/Gallon

    A US liquid gallon contains about 3.7854 kilograms (8.3454 lb) of water at 3.98 °C (39.16 °F), and is about five-sixths of an imperial gallon. There are four quarts in a gallon, two pints in a quart and 16 US fluid ounces in a US pint , which makes the US fluid ounce equal to ⁠ 1 / 128 ⁠ of a US gallon.

  8. Landfill diversion - Wikipedia

    en.wikipedia.org/wiki/Landfill_diversion

    Waste diversion or landfill diversion is the process of diverting waste from landfills. The success of landfill diversion can be measured by comparison of the size of ...

  9. Orders of magnitude (mass) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(mass)

    The tonne (t) is an SI-compatible unit of mass equal to a megagram (Mg), or 10 3 kg. The unit is in common use for masses above about 10 3 kg and is often used with SI prefixes. For example, a gigagram ( Gg ) or 10 9 g is 10 3 tonnes, commonly called a kilotonne .