Fine blanking parts with sharp corners produce collapse angles in the fine blanking process,and larger collapse angles can affect the parts’ performance and li
A binuclear vanadium complex NH4[(VⅣO)2( μ2-O)(nta)2] [Eu Ⅲ(H2O)9] was synthesized by reaction of NH3VO3, nitrilotriacetic acid and EuC13 in one aqueous solu