This type of anemia develops due to an inadequate amount of iron in the diet, impaired iron absorption, acute blood loss caused by hemorrhage or injury, or gradual blood loss such as from menstruation or gastrointestinal bleeding.
Of the thirty countries in which nuclear power plants operate, only France, Belgium, Hungary and Slovakia use them as the primary source of electricity, although many other countries have a significant nuclear power generation capacity.hina, South Korea and India are pursuing ambitious expansions of their nuclear power capacities, with China aiming to increase capacity to at least 80 GWe by 2020, 200 GW e by 2030 and 400 GW e by 2050.
The only countries known to have detonated nuclear weaponsâand acknowledge possessing themâare (chronologically by date of first test) the United States, the Soviet Union (succeeded as a nuclear power by Russia), the United Kingdom, France, the People's Republic of China, India, Pakistan, and North Korea.n 6 August 1945, the U.S. Army Air Forces detonated a uranium gun-type fission bomb over the Japanese city of Hiroshima; three days later, on 9 August, the U.S. Army Air Forces detonated a plutonium implosion-type fission bomb codenamed  Fat Man  over the Japanese city of Nagasaki.