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  2. Volume fraction - Wikipedia

    en.wikipedia.org/wiki/Volume_fraction

    Being dimensionless, its unit is 1; it is expressed as a number, e.g., 0.18. It is the same concept as volume percent (vol%) except that the latter is expressed with a denominator of 100, e.g., 18%. The volume fraction coincides with the volume concentration in ideal solutions where the volumes of the constituents are additive (the volume of ...

  3. Global Internet usage - Wikipedia

    en.wikipedia.org/wiki/Global_Internet_usage

    Number of Internet users in 2011 This map illustrates the total number of Internet users in a country as well as the percentage of the population that had Internet access in 2011. Source: Information Geographies at the Oxford Internet Institute . [ 11 ]

  4. RGBA color model - Wikipedia

    en.wikipedia.org/wiki/RGBA_color_model

    Depending on the context a 0x or a number sign (#) [2] is put before the hex digits. This layout became popular when 24-bit color (and 32-bit RGBA) was introduced on personal computers. At the time it was much faster and easier for programs to manipulate one 32-bit unit than four 8-bit units.

  5. List of sovereign states by number of broadband Internet ...

    en.wikipedia.org/wiki/List_of_sovereign_states...

    This article contains a sortable list of countries by number of broadband Internet subscriptions and penetration rates, using data compiled by the International Telecommunication Union. List [ edit ]

  6. Demographics of the United States - Wikipedia

    en.wikipedia.org/wiki/Demographics_of_the_United...

    Under federal law, the Immigration and Nationality Act of 1965, [39] the number of first-generation immigrants living in the United States has increased, [40] from 9.6 million in 1970 to about 38 million in 2007. [41]

  7. Demographics of Alaska - Wikipedia

    en.wikipedia.org/wiki/Demographics_of_Alaska

    The 1870 Census in Alaska was conducted by U.S. Army personnel under the command of Major General Henry W. Halleck.This count showed 82,400 people. But because of duplication of tribes listed under different names, the inclusion of a tribe that did not exist, and exaggerated estimates, the number was not considered reliable.

  8. Electrical injury - Wikipedia

    en.wikipedia.org/wiki/Electrical_injury

    In Sweden, Denmark, Finland and Norway the number of electric deaths per million inhabitants was 0.6, 0.3, 0.3 and 0.2, respectively, in the years 2007–2011. [ 41 ] In Nigeria, analysis of Nigerian Electricity Regulatory Commission data found 126 recorded electrocution deaths and 68 serious injuries in 2020 and the first half of 2021. [ 42 ]

  9. World population - Wikipedia

    en.wikipedia.org/wiki/World_population

    Estimates of world population by their nature are an aspect of modernity, possible only since the Age of Discovery.Early estimates for the population of the world [10] date to the 17th century: William Petty, in 1682, estimated the world population at 320 million (current estimates ranging close to twice this number); by the late 18th century, estimates ranged close to one billion (consistent ...