Electrical equipment is always subjected to various of operating conduction and voltage waves which cause insulation failure on the surface of pressboard (PB).In this paper, pre-breakdown streamers of surface discharge on the interface of PB in vegetable oil based Fe3O4 nanofluids (NFs) were observed by the shadowgraph method under lightning impuls
Abstract Background Nitrogen (N) and phosphorus (P) are macronutrients essential for crop growth and productivity.In cultivated fields, N and P levels are rarely sufficient, contributing to the gap between realized and potential production.Fertilizer application increases nutrient availability, but is not available to all farmers, nor are current r
The fast growing popularity of smartphones and tablets enables us to use various intelligent mobile applications.As many of those applications require position information, smart mobile devices lava me 3 smart guitar provide positioning methods such as Global Positioning System (GPS), WiFi-based positioning system (WPS), or Cell-ID-based positionin
Iraq, like many of developing and the Arab countries, is suffering imbalance in the geographical distribution of the population the dominance of agglomeration in one place, that is, in the capital and its environs, the emergence of phenomena concentration in the major cities and urban sagging and the growth of slum on the outskirts of cities and th
Small to very small ossified structures (ossicles) such as cephalic horns, dermal tubercles, fin-ray rods, lateral-line canal segments, branchial tooth plates and gill-raker tubercles of three species of the teleostean fish family Cottidae inhabiting the Baltic Sea are described and for the first time illustrated with SEM images, with emphasis on t