摘要:A rebar, or reinforcing bar, is a common steel bar, and is commonly used in reinforced concrete and r[阅读全文:]
摘要:Chromium (pronounced /ˈkroʊmiəm/) is a chemical element which has the symbol Cr and at[阅读全文:]
摘要:Fossil fuels or mineral fuels are fuels formed by the natural Fossil Fuelsresources such as anaerobic[阅读全文:]
摘要:A mineral is a naturally occurring solid formed through Mineralgeological processes that has a charac[阅读全文:]
摘要:In chemistry, the term base metal is used informally to refer to a metal that oxidizes or corrodes re[阅读全文:]
摘要: Vanadium (pronounced /vəˈneɪdiəm/) is the chemical element with the symbol[阅读全文:]
摘要:Vanadium(V) oxideVanadium(V) oxide (vanadia) is the chemical compound with the formula V2O5. Commonly[阅读全文:]
摘要:Ferrosilicon, or ferrosilicium, Ferrosiliconis a ferroalloy an alloy of iron and silicon with between[阅读全文:]
摘要:Ferromanganese, a ferroalloy with high content of manganese, is made by heating a mixture of the oxid[阅读全文:]