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Douglas O-2, a military single-engine observation biplane; O 2-class submarine, a class of submarines of the Royal Netherlands Navy; Oldershaw O-2, a glider; SP&S Class O-2, a 1910 steam locomotives class; USS O-2, a 1918 United States O class submarine; GNR Class O2, a class of British steam locomotives classified O2 by both the GNR and the LNER
The common allotrope of elemental oxygen on Earth is called dioxygen, O 2, the major part of the Earth's atmospheric oxygen (see Occurrence). O 2 has a bond length of 121 pm and a bond energy of 498 kJ/mol. [42] O 2 is used by complex forms of life, such as animals, in cellular respiration. Other aspects of O 2 are covered in the remainder of ...
O2 (typeset as O 2) is a global brand name owned by the Spanish telecommunications company Telefónica. The company uses the O2 brand for its subsidiaries in the United Kingdom and Germany. Since 2018, it is also used as an online-only flanker brand in Spain. [1]
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 ...
Oxygen evolution is the chemical process of generating elemental diatomic oxygen (O 2) by a chemical reaction, usually from water, the most abundant oxide compound in the universe. Oxygen evolution on Earth is effected by biotic oxygenic photosynthesis , photodissociation , hydroelectrolysis , and thermal decomposition of various oxides and ...
The O2 (formerly known as the Millennium Dome) is a large entertainment district on the Greenwich peninsula in South East London, England, including an indoor arena, a music club, a Cineworld cinema, an exhibition space, piazzas, bars, restaurants, and a guided tour to the top of the O2.
An oxygen concentrator is a device that concentrates the oxygen from a gas supply (typically ambient air) by selectively removing nitrogen to supply an oxygen-enriched product gas stream.
The company provided WAP and GPRS services under the O 2 Active brand. In October 2005, O 2 Ireland launched a version of NTT DoCoMo's i-mode service. The company held a UMTS licence, and was the third Irish operator to offer 3G services, after Vodafone Ireland and Three Ireland, offering services in some built-up areas in late 2006.