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However, above 1,200 °C (2,190 °F), Zircaloy can be oxidized by steam to form hydrogen gas [27] or by uranium dioxide to form uranium metal. [ 28 ] [ 29 ] Both of these reactions are exothermic . In combination with the exothermic reaction of boron carbide with stainless steel , these reactions can contribute to the overheating of a reactor.
On 10 July 2005, acting president Bakiyev won the presidential election in a landslide, with 88.9% of the vote, and was inaugurated on 14 August. However, initial public support for the new administration substantially declined in subsequent months as a result of its apparent inability to solve the corruption problems that had plagued the ...
As of 2008, there were 6,102 railway tunnels in use in mainland China (excluding Hong Kong and Taiwan), including 183 over 3 kilometres (1.9 miles) and seven over 10 kilometres (6.2 miles) in length. [4] The first railroad tunnel was built in 1888 by the Qing dynasty in Taiwan. The Shi-chiu-lin Tunnel near Keelung, 261 metres (856 feet) long ...
Religious minorities of Georgia include Muslims (10.7 percent), Armenian Christians (2.9 percent) and Roman Catholics (0.5 percent). [ 339 ] [ d ] 0.7 percent of those recorded in the 2014 census declared themselves to be adherents of other religions, 1.2 percent refused or did not state their religion and 0.5 percent declared no religion at all.
The 2019 American Community Survey estimated 60.2% of the population was non-Hispanic white, 3.7% black or African American, 15.6% American Indian or Alaska Native, 6.5% Asian, 1.4% Native Hawaiian and other Pacific Islander, 7.5% two or more races, and 7.3% Hispanic or Latin American of any race.
Wolverhampton has an ethnically diverse population; 60.6% of the city's population were white in the 2021 census, 21.2% were Asian, 9.3% were Black, 5.3% were mixed, and 3.6 were from another ethnic group.
As the dark matter and baryons clumped together after recombination, the effect is much weaker in the galaxy distribution in the nearby universe, but is detectable as a subtle (≈1 percent) preference for pairs of galaxies to be separated by 147 Mpc, compared to those separated by 130–160 Mpc.