This paper discusses concentrations of 7 essential trace metals (chromium,cadmium, copper, lead,nickel, manganese and … cadmium= 0.076±0.003mg/Kg). Surface water equally concentrated some metals such as Manganese, cadmium and lead with mean … 95 percent confidence limit (P< 0.05) with the exception of Manganese. This suggest that the water quality of Oke Afa …

concentrated mostly in countries where metals (manganese, silicium, chromium) deposits can be found: mostly Africa, China and Latin …

Aim: To assess the effect of chronic manganese chloride exposure on testis and sperm parameters. Methods: Twenty four … male rats, 6 months old, were divided in 2 groups. 12 rats in the lot exposed to manganese, were watered by water … containing manganese chloride tetrahydrate (MnCl2 4H2O) at dose of 4.79 mg.ml-1 for 12 weeks. And the group of control male rats …

Plasma-based ion implantation was used to synthesize the manganese nitride Mn4N by implanting nitrogen in manganese …

oxide concept are discussed. The focus is on materials with manganese as one of its components and the following families of …

” process, a sorbent material, here manganese oxide, is cycled between producer gas from the gasifier to remove sulfur species … subjected manganese-based materials to a periodically changing gas atmosphere, simulating a “chemical looping desulfurization …