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The pitch of 0BA is 1 mm and the pitch of each higher numbered thread is obtained by multiplying the pitch of the lower number by 0.9 so K-BA has a pitch of p = 0.9 K [4]: 12 rounded to two significant figures in mm.
Barium oxide, also known as baria, is a white hygroscopic non-flammable compound with the formula BaO. It has a cubic structure and is used in cathode-ray tubes, crown glass, and catalysts.
British Airways purchased the internet domain ba.com in 2002 from previous owner Bell Atlantic, [161] 'BA' being the company's initialism and its IATA Airline code. [ 162 ] British Airways is the official airline of the Wimbledon Championship tennis tournament , and was the official airline and tier one partner of the 2012 Summer Olympics and ...
Barium is a chemical element; it has symbol Ba and atomic number 56. It is the fifth element in group 2 and is a soft, silvery alkaline earth metal . Because of its high chemical reactivity , barium is never found in nature as a free element.
Naturally occurring barium (56 Ba) is a mix of six stable isotopes and one very long-lived radioactive primordial isotope, barium-130, identified as being unstable by geochemical means (from analysis of the presence of its daughter xenon-130 in rocks) in 2001. [4]
BA CityFlyer: FLYER United Kingdom TH BRT BA Connect: BRITISH United Kingdom defunct EFW BA Euroflyer: GRIFFIN United Kingdom BA Euroflyer subsidiary based at London Gatwick BAC BAC Leasing Limited United Kingdom B4 BCF BACH Flugbetriebsges: BACH Austria BOB Backbone A/S: BACKBONE Denmark J4 BDR Badr Airlines: BADR AIR Sudan BAE BAE Systems: FELIX
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The name is often used in mapping software as a placeholder to help find and correct database entries that have erroneously been assigned the coordinates 0,0. Although "Null Island" started as a joke within the geospatial community, it has become a useful means of addressing a recurring issue in geographic information science. [1]