Thin-film transistors (TFTs) are used in the construction of active-matrix devices like liquid-crystal displays (LCDs), organic light emitting diode (OLED) displays, and image sensors. TFTs based on amorphous silicon suffer from low operating speed and lack of a p-type device, making it difficult to.....
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Sulfur dioxide is one of the major components of acid rain emitted into the atmosphere resulting from fuel combustion and ore roasting process. The need for sulfur dioxide removal has been demonstrated, but the high cost of existing processes has prevented the wide application of sulfur dioxide remo.....
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A novel method is disclosed for the preparation of an aqueous polyacrylate modified polyurethane dispersion. The preparation method includes three main steps: (a) preparation of polyacrylates polymer or copolymer without using cationic surfactants; (b) preparation of polyurethane prepolymer with car.....
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