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Cementite (or iron carbide) is a compound of iron and carbon, more precisely an intermediate transition metal carbide with the formula Fe 3 C. By weight, it is 6.67% carbon and 93.3% iron. By weight, it is 6.67% carbon and 93.3% iron.
US Army map indicating War Zones C, D, and the Iron Triangle, circa 1965-1967. The Iron Triangle (Vietnamese:Tam Giác Sắt) was a 120 square miles (310 km 2) area in the Bình Dương Province of Vietnam, so named due to it being a stronghold of Viet Minh activity during the war.
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1st Battalion, 5th Marines, 2nd Battalion, 5th Marines and 3rd Battalion, 5th Marines, 1st, 3rd and 4th Battalions Republic of Vietnam Marine Corps and ARVN 35th and 39th Ranger Battalions search and destroy operation to locate and destroy the PAVN 2nd Division (AKA 620th Division) Que Son Valley, Quảng Nam and Quảng Tín Provinces: 674: 22 ...
Boron carbide, B 4 C, on the other hand, has an unusual structure which includes icosahedral boron units linked by carbon atoms. In this respect boron carbide is similar to the boron rich borides. Both silicon carbide (also known as carborundum) and boron carbide are very hard materials and refractory. Both materials are important industrially.
The Michelin Rubber Plantation was a rubber plantation in Vietnam.It was located near Dầu Tiếng District in Bình Dương Province, 72 km northwest of Saigon.The plantation was established by the Michelin company in 1925 [1] and at 12,400 hectares (31,000 acres) it was the largest rubber plantation in Vietnam.
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. [12]
Cohenite is a naturally occurring iron carbide mineral with the chemical structure (Fe, Ni, Co) 3 C.This forms a hard, shiny, silver mineral which was named by E. Weinschenk in 1889 after the German mineralogist Emil Cohen, who first described and analysed material from the Magura meteorite found near Slanica, Žilina Region, Slovakia. [3]