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Cross-section of cold welding – before and after the weld. Cold welding or contact welding is a solid-state welding process in which joining takes place without fusion or heating at the interface of the two parts to be welded. Unlike in fusion welding, no liquid or molten phase is present in the joint. Cold welding was first recognized as a ...
Overhead stick welding. Welding is a fabrication process that joins materials, usually metals or thermoplastics, primarily by using high temperature to melt the parts together and allow them to cool, causing fusion.
In 2012, Dang was honored as 'Coffee King', officially, by National Geographic. [41] In August 2012, Forbes magazine portrayed him as 'Vietnam coffee king', [42] and described him as a figure of "Zero to Hero". Since then, local and world press and society has mentioned him as the Coffee King. [43]
In late 2015, the plant outputted the first hot rolled coil manufactured in Vietnam. [11] " Phase 1" Blast furnace iron production was scheduled to begin in 2016, with two blast furnaces at the plant having a total production capacity of 7.5 MT pa; approximately 6 MT were for flat steel production, and 1.5 MT for rebar and other rolled steels ...
Vietnam Chamber of Commerce and Industry (VCCI) is a national organization which assembles and represents business community, employers and business associations of all economic sectors in Vietnam. The promotion of trade and business relations with enterprises abroad is one of its main functions. [ 1 ]
Institute for Industry Policy and Strategy (IPS), Director General: Dr. Phan Dang Tuat; Institute for Leather and Footwear Research, Director: Ms. Do Thi Hoi; Ceramic and Industrial Glass Institute (CIGI), Director: Mr. Hoang Ba Thinh; Research Institute of Mines and Metallurgy (RIMM), Director: Mr. Hoang Van Khanh
I was told about cold welding in an engineering class, and the following links, when read carefully, support the position that cold welding does exist as a phenomenon -- that is, that it has been demonstrated in experiments -- but cannot, apparently, happen accidentally as is commonly beleived:
Chữ khoa đẩu is a term claimed by the Vietnamese pseudohistorian Đỗ Văn Xuyền to be an ancient, pre-Sinitic script for the Vietnamese language. Đỗ Văn Xuyền's works supposedly shows the script have been in use during the Hồng Bàng period, and it is believed to have disappeared later during the Chinese domination of Vietnam .