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General reaction scheme for the S N 1 reaction. The leaving group is denoted "X", and the nucleophile is denoted "Nu–H". The unimolecular nucleophilic substitution (S N 1) reaction is a substitution reaction in organic chemistry.
The Đại Nam nhất thống chí (chữ Hán: 大南一統志, 1882) is the official geographical record of Vietnam's Nguyễn dynasty written in chữ Hán compiled in the late nineteenth century. [1] It also contains historical records of military campaigns. [2] [3]
Từ điển bách khoa toàn thư Việt Nam (Encyclopedia of Vietnam), a state-sponsored encyclopedia which was published in 2005. Vietnamese Wikipedia, a project of the Wikimedia Foundation. Vietnam War encyclopedias. Encyclopedic works and encyclopedias focused on Vietnam War-related topics.
"Veritable Records of the Great South", "Annals of Đại Nam", "Chronicle of Greater Vietnam") was the official history of Nguyễn dynasty, Vietnam. It contained the royal records of the Nguyễn lords, and the imperial annals of Nguyễn dynasty emperors up until Khải Định, covering the period in Vietnamese history between 1545 and 1909.
Đại Cồ Việt was the name chosen by Đinh Bộ Lĩnh for his realm when he declared himself emperor in 966. [20] It is probably derived from the vernacular Cự Việt ("Great Việt") or Kẻ Việt ("Việt Region"), with the Sino-Vietnamese Đại ("great") added as a prefix.
Lê Văn Hưu was a renowned scholar and an official of the royal court of the Trần dynasty during the reign of Trần Thái Tông and Trần Thánh Tông who promoted him to the position of Hàn Lâm viện học sĩ (是翰林學士, Member of the Hanlin Academy) and Quốc sử viện giám tu (Supervisor of the royal bureau for historical records).
Nguyễn Hải Dương (born in Phong Điền District in Thừa Thiên Huế province on 15 April 1943) pen name and political name Nguyễn Khoa Điềm is a Vietnamese poet and government literary official. [1] [2] [3] He graduated from Hanoi National University of Education. [4] His work is included in the book, Six Vietnamese Poets. [5]
The Ming invasion of Viet (Chinese: 明入越 [5] / 平定交南 [6]), known in Vietnam as the Ming–Đại Ngu War (traditional Chinese: 大虞與明戰爭; simplified Chinese: 大虞与明战争; Vietnamese: Chiến tranh Đại Ngu–Đại Minh / cuộc xâm lược của nhà Minh 1406–1407; Hán Nôm: 戰爭大虞 – 大明) was a military campaign against the kingdom of Đại Ngu ...