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  2. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    Data on elements' abundance in Earth's crust is added for comparison. ... and the cost of extraction of the element, at zero. ... (8.31 × 10 16 kg) 61 800: 116 000: ...

  3. Energy density - Wikipedia

    en.wikipedia.org/wiki/Energy_density

    1 300 000 000 – 1,700,000,000 (depends on crystallographic phase) 23 222 915 000: 370 000 000 000 – 460 000 000 000 (depends on crystallographic phase) Heat produced in Fission reactor: Plutonium-239: 31,000,000 490 000 000 – 620 000 000 (Depends on crystallographic phase) 8 700 000 000: 140 000 000 000 – 170 000 000 000 (depends on ...

  4. Economics of nuclear power plants - Wikipedia

    en.wikipedia.org/wiki/Economics_of_nuclear_power...

    Doubling the price of uranium would add about 10% to the cost of electricity produced in existing nuclear plants, and about half that much to the cost of electricity in future power plants. [53] The cost of raw uranium contributes about $0.0015/kWh to the cost of nuclear electricity, while in breeder reactors the uranium cost falls to $0.000015 ...

  5. United States cities by crime rate (100,000–250,000)

    en.wikipedia.org/wiki/United_States_cities_by...

    When this linear assumption does not hold, rates per capita still have population effects. In these nonlinear cases, per capita rates can inflate or deflate the representation of crime in cities, introducing an artifactual bias into rankings. Therefore, it is necessary to test for linearity before comparing crime rates of cities of different sizes.

  6. Compressor characteristic - Wikipedia

    en.wikipedia.org/wiki/Compressor_characteristic

    Compressor characteristic is a mathematical curve that shows the behaviour of a fluid going through a dynamic compressor.It shows changes in fluid pressure, temperature, entropy, flow rate etc.) with the compressor operating at different speeds.

  7. List of countries by traffic-related death rate - Wikipedia

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

    There are large disparities in road traffic death rates between regions. The risk of dying as a result of a road traffic injury is highest in the African Region (26.6 per 100 000 population), and lowest in the European Region (9.3 per 100 000). [3]

  8. Thermal velocity - Wikipedia

    en.wikipedia.org/wiki/Thermal_velocity

    Thermal velocity or thermal speed is a typical velocity of the thermal motion of particles that make up a gas, liquid, etc. Thus, indirectly, thermal velocity is a measure of temperature.

  9. Solar water heating - Wikipedia

    en.wikipedia.org/wiki/Solar_water_heating

    [14] [15] [16] Solar water heating systems are popular in China, where basic models start at around 1,500 yuan (US$235), around 80% less than in Western countries for a given collector size. At least 30 million Chinese households have one.