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This technical note describes kinetic fluorescence as an analytical technique to quantify non-fluorescent species. The technique is applied to the determination of thiamine (vitamin B1) in solution. Fluorescence intensity is monitored as thiamine converts to fluorescent thiochrome, and a relationship is established between the rate of increase of intensity and the concentration of thiamine. The...
Drawing upon cognitive writing process theory and research, this study investigates the influence of language writing, foreign (FL) proficiency gender on revision processes 77 undergraduate students studying at an English-medium college in Oman. Their first (L1) was Arabic their FL English. The participants produced two argumentative authentic texts, one L1 FL. English assessed using Oxford Pla...
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