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  2. Pyroprocessing - Wikipedia

    en.wikipedia.org/wiki/Pyroprocessing

    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 .

  3. List of districts of Vietnam - Wikipedia

    en.wikipedia.org/wiki/List_of_districts_of_Vietnam

    The provinces of Vietnam are subdivided into second-level administrative units, namely districts (Vietnamese: huyện), provincial cities (thành phố trực thuộc tỉnh), and district-level towns (thị xã).

  4. Pyrometallurgy - Wikipedia

    en.wikipedia.org/wiki/Pyrometallurgy

    Pyrometallurgy is a branch of extractive metallurgy.It consists of the thermal treatment of minerals and metallurgical ores and concentrates to bring about physical and chemical transformations in the materials to enable recovery of valuable metals. [1]

  5. Vietnamese Wikipedia - Wikipedia

    en.wikipedia.org/wiki/Vietnamese_Wikipedia

    An experimental Wikipedia edition in the obsolete chữ Nôm script began in October 2006 at the Wikimedia Incubator. [6] It was deleted in April 2010. [7] [non-primary source needed] The Vietnam Wikimedians User Group supports the development of the Vietnamese Wikipedia and other Vietnamese-language Wikimedia projects.

  6. Talk:Pyroprocessing - Wikipedia

    en.wikipedia.org/wiki/Talk:Pyroprocessing

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate

  7. Battle of Chu Dreh Pass - Wikipedia

    en.wikipedia.org/wiki/Battle_of_Chu_Dreh_Pass

    The Viet Minh had by this time conquered a substantial part of the Central Highlands including the towns of Kontum and An Khê. On 20 July, a battlefield ceasefire was announced when the Geneva agreements were signed. On 1 August, the armistice went into effect, sealing the end of French Indochina, and the partition of Vietnam along the 17th ...

  8. Chi Lăng district - Wikipedia

    en.wikipedia.org/wiki/Chi_Lăng_District

    Chi Lăng is a rural district of Lạng Sơn province in the Northeastern region of Vietnam. 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]

  9. List of allied military operations of the Vietnam War (1966)

    en.wikipedia.org/wiki/List_of_allied_military...

    Jan 1 – 18: Operation Jefferson: A combined ROK 2nd Marine Brigade and paratroops of ARVN 47th Regiment search and destroy operation: Phú Yên Province: Jan 1 – 20: Operation Matador III [1] 1/1 Cavalry search and destroy operation along the Cambodian border: Kon Tum and Pleiku Provinces: Jan 3 – 4: Operation War Bonnet [1]