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  2. Ecological efficiency - Wikipedia

    en.wikipedia.org/wiki/Ecological_efficiency

    Out of a total of 28,400 terawatt-hours (96.8 × 10 ^ 15 BTU) of energy used in the US in 1999, 10.5% was used in food production, [3] with the percentage accounting for food from both producer and primary consumer trophic levels. In comparing the cultivation of animals versus plants, there is a clear difference in magnitude of energy efficiency.

  3. Photosynthetic efficiency - Wikipedia

    en.wikipedia.org/wiki/Photosynthetic_efficiency

    Total photosynthetic efficiency would include more than just the biodiesel oil, so this number is a lower bound. Contrast this with a typical photovoltaic installation, [ 11 ] which would produce an average of roughly 22 W/m 2 (roughly 10% of the average insolation), throughout the year.

  4. Plant growth analysis - Wikipedia

    en.wikipedia.org/wiki/Plant_growth_analysis

    For plants RGR values are typically (much) smaller than 1 g.g −1.day −1. Therefore, values are often reported in mg.g −1 .day −1 , with normal ranges for young, herbaceous species between 50–350 mg.g −1 .day −1 , and values for tree seedlings of 10–100 mg.g −1 .day −1 .

  5. Orders of magnitude (mass) - Wikipedia

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

    An overview of ranges of mass. To help compare different orders of magnitude, the following lists describe various mass levels between 10 −67 kg and 10 52 kg. The least massive thing listed here is a graviton, and the most massive thing is the observable universe.

  6. Orders of magnitude (power) - Wikipedia

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

    tech: China total nuclear power capacity as of 2022. [36] 5.5 × 10 10: tech: peak daily electrical power consumption of Great Britain in November 2008. [37] 7.31 × 10 10: tech: total installed power capacity of Turkey on December 31, 2015. [38] 9.55 × 10 10: tech: United States total nuclear power capacity as of 2022. [36] 10 11: 1.016 × 10 11

  7. Orders of magnitude (energy) - Wikipedia

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

    Total energy from the Sun that strikes the face of the Earth each second [189] 2.1×10 17 J: Yield of the Tsar Bomba, the most powerful nuclear weapon ever tested (50 megatons) [190] [191] 2.552×10 17 J Total energy of the 2022 Hunga Tonga–Hunga Haʻapai eruption [192] [193] 4.2×10 17 J: Yearly electricity consumption of Norway as of 2008 ...

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  9. Energy conversion efficiency - Wikipedia

    en.wikipedia.org/wiki/Energy_conversion_efficiency

    The wall-plug efficiency is the measure of output radiative-energy, in watts (joules per second), per total input electrical energy in watts. The output energy is usually measured in terms of absolute irradiance and the wall-plug efficiency is given as a percentage of the total input energy, with the inverse percentage representing the losses.