A series of europium(Ⅲ)complexes of 2-thienyltrifluoroacetonate(HTTA), terephthalic acid(TPA) and phenanthroline (Phen) were synthesized.The new complexes Eu(T
The effects of the process parameters on the joint quality of TO-Can using resistance projection welding were investigated.A capacitor discharge stored energy w
The contents of Cr,Cu, Ni, As, Cd and Pb in coal fly ash were determined by a high resolution inductively coupled plasma mass spectrometry method.The sample dig