in this study, a simple, rapid and selective method was developed for the determination of dexamethasone. the proposed method is based on inhibitory effect of dexamethasone on the oxidation of orange-g by bromate in sulfuric acid media. the reaction was followed spectrophotometrically at 478.5 nm (?max). under optimum experimental conditions, (72.6 ?mol l-1 of orange-g, 0.76 mol l-1 of h2so4, 0...

Foreign trade and its relation to economic growth is one of the very controversial subjects especially when it comes to choose among the development strategies in the developing countries, and still there is no consensus among economists as to how trade policies are related to economic growth rate. In the modern theories and endogenous growth models, international trade economic openness affect...

chapter one is devoted to a moderate discussion on preliminaries, according to our requirements. chapter two which is based on our work in (24) is devoted introducting weighted semigroups (s, w), and studying some famous function spaces on them, especially the relations between go (s, w) and other function speces are invesigated. in fact this chapter is a complement to (32). one of the main fea...

Introduction: Biologic foreign body had been rarely reported. Reported cases are mainly due to the explosion but there are few cases in the traffic road accidents. Methods: Our report is due to a case of motorcycle to motorcycle road accident. The victim was 18 years old man with femoral shaft open fracture and Pease of diaphyseal bone in the knee region. The bone segment was biologic foreign ...

abstract the first purpose of this study was to investigate the effect of consciousness-raising (c-r) activities on learning grammatical structures (simple present tense in this case) by iranian guidance school efl learners. the second one was to investigate the effect of gender on learning the simple present tense through c-r activities and tasks. finally, this study aimed to investigate the ...