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  2. Coefficient of performance - Wikipedia

    en.wikipedia.org/wiki/Coefficient_of_performance

    The COP is used in thermodynamics. The COP usually exceeds 1, especially in heat pumps, because instead of just converting work to heat (which, if 100% efficient, would be a COP of 1), it pumps additional heat from a heat source to where the heat is required. Most air conditioners have a COP of 3.5 to 5. [3]

  3. Nigerian naira - Wikipedia

    en.wikipedia.org/wiki/Nigerian_naira

    The naira was scheduled for redenomination in August 2008, although this was cancelled by then-President Umaru Musa Yar'Adua, [46] with 100 old naira to become 1 new naira. The Nigerian Central Bank stated that it would make the naira fully convertible against foreign currencies by 2009. Currently, the amount of foreign currency is regulated ...

  4. Energy conversion efficiency - Wikipedia

    en.wikipedia.org/wiki/Energy_conversion_efficiency

    Energy conversion efficiency (η) is the ratio between the useful output of an energy conversion machine and the input, in energy terms. The input, as well as the useful output may be chemical, electric power, mechanical work, light (radiation), or heat. The resulting value, η (eta), ranges between 0 and 1. [1] [2] [3]

  5. Next-generation network - Wikipedia

    en.wikipedia.org/wiki/Next-generation_network

    NGN Seminar in Fusion Technology Center by NICT(Japan) researcher. According to ITU-T, the definition is: . A next-generation network (NGN) is a packet-based network which can provide services including Telecommunication Services and is able to make use of multiple broadband, quality of service-enabled transport technologies and in which service-related functions are independent from ...

  6. Conversion of units - Wikipedia

    en.wikipedia.org/wiki/Conversion_of_units

    The factor–label method can convert only unit quantities for which the units are in a linear relationship intersecting at 0 (ratio scale in Stevens's typology). Most conversions fit this paradigm. An example for which it cannot be used is the conversion between the Celsius scale and the Kelvin scale (or the Fahrenheit scale). Between degrees ...

  7. List of countries by exchange rate regime - Wikipedia

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

    9.1 US dollar as exchange rate anchor. 9.2 Composite exchange rate anchor. 9.3 Monetary aggregate target. 9.4 Inflation-targeting framework. 9.5 Other. 10 Floating.

  8. Molybdopterin - Wikipedia

    en.wikipedia.org/wiki/Molybdopterin

    Four steps of molybdenum cofactor (Moco) biosynthetic pathway occurring in bacteria and humans: (i) radical-mediated cyclization guanosine 5'-triphosphate (GTP) to (8S)‑3,8‐cyclo‑7,8‑dihydroguanosine-5́‑triphosphate (3,8‑cH2GTP), (ii) formation of cyclic pyranopterin monophosphate (cPMP) from the 3,8‑cH2GTP, (iii) conversion of cPMP into molybdopterin (MPT), (iv) insertion of ...

  9. List of Sightings episodes - Wikipedia

    en.wikipedia.org/wiki/List_of_Sightings_episodes

    The following is a list of episodes from the paranormal TV series, Sightings. The series ran from 1992 to 1998 and produced several specials and a film, Sightings: Heartland Ghost.