The title compound, 2,6-bis(benzimidazo(1,2-c)quinazolin-6-yl)pyridine tetrahy- drate, was synthesized by simple condensation of 2-(2-sminophenyl) benzimidazole
A novel super molecule [Na(C60H80O12)]+- was obtained by ext raction of calix arene (L) for an aqueous solution containing -, and N aCl into CH2Cl2. The crystal
The influences of trace alloying elements niobium, vanadium and zirconium on the corrosive resistance of 18-8 type cast stainless steel have been studied in det