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  2. Open energy system databases - Wikipedia

    en.wikipedia.org/wiki/Open_energy_system_databases

    A 2010 study describes how community driven data collection, processing, curation, and sharing is revolutionizing the data needs of industrial ecology and energy system analysis. [24] A 2012 chapter introduces a system of systems engineering (SoSE) perspective and outlines how agent-based models and crowdsourced data can contribute to the ...

  3. List of mobile network operators in Europe - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_network...

    Mobile phone penetration in Europe based on available data between 2009 and 2012: ... O2: 900 MHz GSM (GPRS, EDGE) 900/2100 MHz UMTS, HSPA, HSPA+, DC-HSPA+

  4. Oxygen - Wikipedia

    en.wikipedia.org/wiki/Oxygen

    2 use in diving at pressures higher than atmospheric is usually limited to rebreathers, or decompression at relatively shallow depths (~6 meters depth, or less), [119] [120] or medical treatment in recompression chambers at pressures up to 2.8 bar, where acute oxygen toxicity can be managed without the risk of drowning.

  5. Virgin Media O2 increase free data donation in response to ...

    www.aol.com/virgin-media-o2-increase-free...

    The mobile operator is pledging more than 61 million gigabytes of free mobile data for those in need by the end of 2025. Virgin Media O2 increase free data donation in response to rising cost of ...

  6. O2 Czech Republic - Wikipedia

    en.wikipedia.org/wiki/O2_Czech_Republic

    O2 Czech Republic (operating under the O 2 brand) is a major integrated operator in the Czech Republic. It is now operating more than six million lines, both fixed and mobile, making it one of the Czech Republic's largest providers of fully converged services.

  7. Isotope analysis - Wikipedia

    en.wikipedia.org/wiki/Isotope_analysis

    Archaeological materials, such as bone, organic residues, hair, or sea shells, can serve as substrates for isotopic analysis. Carbon, nitrogen and zinc isotope ratios are used to investigate the diets of past people; these isotopic systems can be used with others, such as strontium or oxygen, to answer questions about population movements and cultural interactions, such as trade.

  8. O2 (UK) - Wikipedia

    en.wikipedia.org/wiki/O2_(UK)

    O2 purchased Be Un Limited, an internet service provider in the UK, for £50 million in June 2006. [49] O2 retained the Be brand, and launched a separate O2-branded broadband service on 15 October 2007, using the Be network. O2 announced in June 2011 a fibre optic broadband service designed to compete with the BT Infinity product, using FTTC ...

  9. EU Open Data Portal - Wikipedia

    en.wikipedia.org/wiki/EU_Open_Data_Portal

    On April 21, 2021 it was consolidated to the data.europa.eu portal, together with the European Data Portal: a similar initiative aimed at the EU Member States. Public data can be used and reused for commercial or non‑commercial purposes. The portal was a key instrument of the EU open data strategy. By ensuring easy and free access to data ...