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Sodium bismuth titanate or bismuth sodium titanium oxide (NBT or BNT) is a solid inorganic compound of sodium, bismuth, titanium and oxygen with the chemical formula of Na 0.5 Bi 0.5 TiO 3 or Bi 0.5 Na 0.5 TiO 3. This compound adopts the perovskite structure . Synthesis [ edit]
BNT 4 (Bulgarian: БНТ 4, romanized: Be ne te chetiri, previously BNT World and BNT Sat) is a Bulgarian-language public international television channel owned and operated by Bulgarian National Television.
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It is the first vaccine to have been developed against a contagious disease. In 1796, British physician Edward Jenner demonstrated that an infection with the relatively mild cowpox virus conferred immunity against the deadly smallpox virus. Cowpox served as a natural vaccine until the modern smallpox vaccine emerged in the 20th century.
BNT 3 (Bulgarian: БНТ 3, romanized: Be ne te tri, previously BNT HD) is a Bulgarian-language public television station, operated by Bulgarian National Television. It broadcasts sport events, movies and cultural programs.
The COVID-19 pandemic (also known as the coronavirus pandemic), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began with an outbreak of COVID-19 in Wuhan, China, in December 2019. It spread to other areas of Asia, and then worldwide in early 2020.
The New Southbound Policy (Chinese: 新南向政策; pinyin: Xīn Nán Xiàng Zhèngcè) is an initiative of the Taiwanese government under President Tsai Ing-wen that aims to enhance cooperation and exchange between Taiwan and 18 countries in Southeast Asia, South Asia and Australasia. [1][2][3]
These games will become the first of two consecutive Winter Olympic games to be hosted (at least partially) in the European Alps, followed by the French Alps in 2030. It received the Olympic flag during the closing ceremony of the 2022 Winter Olympics in Beijing, China. [2]
