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The process of decomposing p-nitrophenol (PNP) with power ultrasound requires strict control of acoustic and electric conditions. In this study, the conditions, including acoustic power and acoustic intensity, but not ultrasonic frequency, were controlled strictly at constant levels. The absorbency and the COD concentrations of the samples were measured in order to show the variation of the sample...
Linear copolymers from N-isopropylacrylamide (NIPA), acrylic acid (AA) and diacetone acrylamide (DAA) have been prepared. The effect of composition, ionic strength and pH on their lower critical solution temperature (LCST) has been investigated.
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