In the general election, facing Democratic nominee, Senator Barack Obama of Illinois, McCain was trailing during most of the season, only gaining a lead in national polls for a period after the Palin announcement and the 2008 Republican National Convention.
monopolar electrocautery (unipolar electrocautery) an electrocautery in which current is applied through a handheld active electrode and travels back to the generator through an inactive electrode attached to the patient (the grounding pad), so that the patient is part of the electrical circuit.Also called unipolar electrocautery.n electrocautery in which current is applied through a handheld active electrode and travels back to the generator through an inactive electrode attached to the patient (the grounding pad), so that the patient is part of the electrical circuit. Also called unipolar electrocautery.
Monopolistic competition. The model of monopolistic competition describes a common market structure in which firms have many competitors, but each one sells a slightly different product.onopolistic competition as a market structure was first identified in the 1930s by American economist Edward Chamberlin, and English economist Joan Robinson. Many small businesses operate under conditions of monopolistic competition, including independently owned and operated high-street stores and restaurants.