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  2. Biological pump - Wikipedia

    en.wikipedia.org/wiki/Biological_pump

    Marine life. The biological pump (or ocean carbon biological pump or marine biological carbon pump) is the ocean's biologically driven sequestration of carbon from the atmosphere and land runoff to the ocean interior and seafloor sediments. [ 1] In other words, it is a biologically mediated process which results in the sequestering of carbon in ...

  3. Component parts of internal combustion engines - Wikipedia

    en.wikipedia.org/wiki/Component_parts_of...

    An illustration of several key components in a typical four-stroke engine. For a four-stroke engine, key parts of the engine include the crankshaft (purple), connecting rod (orange), one or more camshafts (red and blue), and valves. For a two-stroke engine, there may simply be an exhaust outlet and fuel inlet instead of a valve system.

  4. Diaphragm pump - Wikipedia

    en.wikipedia.org/wiki/Diaphragm_pump

    The basic working principle of an air-operated double diaphragm pump. Cross-section sketch of diaphragm fuel pump Air-operated double diaphragm pump. A diaphragm pump (also known as a Membrane pump) is a positive displacement pump that uses a combination of the reciprocating action of a rubber, thermoplastic or teflon diaphragm and suitable valves on either side of the diaphragm (check valve ...

  5. Carbon sink - Wikipedia

    en.wikipedia.org/wiki/Carbon_sink

    A carbon sink is a type of carbon pool that has the capability to take up more carbon from the atmosphere than it releases. Globally, the two most important carbon sinks are vegetation and the ocean. [ 3] Soil is an important carbon storage medium. Much of the organic carbon retained in the soil of agricultural areas has been depleted due to ...

  6. List of countries by carbon dioxide emissions - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    This is a list of sovereign states and territories by carbon dioxide emissions[ n 1 ] due to certain forms of human activity, based on the EDGAR database created by European Commission and Netherlands Environmental Assessment Agency. The following table lists the 1970, 1990, 2005, 2017 and 2022 annual CO 2 emissions estimates (in kilotons of CO ...

  7. Piston pump - Wikipedia

    en.wikipedia.org/wiki/Piston_pump

    Piston pump compared to a plunger pump. A piston pump is a type of positive displacement pump where the high-pressure seal reciprocates with the piston. [ 1] Piston pumps can be used to move liquids or compress gases. They can operate over a wide range of pressures. High pressure operation can be achieved without adversely affecting flow rate.

  8. Biogeochemical cycle - Wikipedia

    en.wikipedia.org/wiki/Biogeochemical_cycle

    e. A biogeochemical cycle, or more generally a cycle of matter, [ 1] is the movement and transformation of chemical elements and compounds between living organisms, the atmosphere, and the Earth's crust. Major biogeochemical cycles include the carbon cycle, the nitrogen cycle and the water cycle. In each cycle, the chemical element or molecule ...

  9. List of countries by carbon dioxide emissions per capita

    en.wikipedia.org/wiki/List_of_countries_by...

    The US, China and Russia have cumulatively contributed the greatest amounts of CO 2 since 1850. [ 3] This is a list of sovereign states and territories by per capita carbon dioxide emissions[ n 1] due to certain forms of human activity, based on the EDGAR database created by European Commission. The following table lists the 1970, 1990, 2005 ...