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Pyroprocessing (from Greek Πυρος = fire) is a process in which materials are subjected to high temperatures (typically over 800 °C) in order to bring about a chemical or physical change. Pyroprocessing includes such terms as ore-roasting , calcination and sintering .
Following the departure of the U.S. forces in 1972, Củ Chi became the base of the ARVN 25th Division. [1]As the People's Army of Vietnam (PAVN) forces closed in on Saigon in late April 1975, the camp was hit by PAVN artillery fire on 28 April and besieged the PAVN. 25th Division commander Major general Lý Tòng Bá ordered his forces to fight in place, but on the morning of 29 April after ...
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It is famous for many decisive battles at Chi Lăng pass in which the Vietnamese defeated the Chinese invaders. As of 2003, the district had a population of 77,910. [1] The district covers an area of 703 km 2. The district capital lies at Đồng Mỏ. [1] Chi Lăng pass was the site of many battles between feudal Vietnam and northern armies.
Entrance sign at the tunnels. Part of the tunnel complex at Củ Chu, this tunnel has been made wider and taller to accommodate tourists. The tunnels of Củ Chi (Vietnamese: Địa đạo Củ Chi) are an immense network of connecting tunnels located in the Củ Chi District of Ho Chi Minh City (Saigon), Vietnam, and are part of a much larger network of tunnels that underlie much of the country.
The Battle of Ngọc Hồi-Đống Đa or Qing invasion of Đại Việt (Vietnamese: Trận Ngọc Hồi - Đống Đa; Chinese: 清軍入越戰爭), also known as Victory of Kỷ Dậu (Vietnamese: Chiến thắng Kỷ Dậu), was fought between the forces of the Vietnamese Tây Sơn dynasty and the Qing dynasty in Ngọc Hồi [] (a place near Thanh Trì) and Đống Đa in northern Vietnam ...
In big cities like Hanoi and Ho Chi Minh City, there are 7–8,000 tons of waste per day. The amount of garbage is being wasted due to not being fully utilized for energy production. [64] As of early 2019, Vietnam had 9.03 MW of waste-to-energy (WtE) electricity. The Go Cat power plant has a capacity of 2.43 MW, Can Tho power generation solid ...
Văn Tiến Dũng (Vietnamese: [van tǐən zǔŋmˀ]; 2 May 1917 – 17 March 2002) was a Vietnamese general in the People's Army of Vietnam (PAVN), PAVN chief of staff (1954–74); PAVN commander in chief (1974–80); member of the Central Military–Party Committee (CMPC) (1984–86) and Socialist Republic of Vietnam defense minister (1980–87).