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Semiconducting TiO2-B nanowires were synthesized and their chemical sensor performance was studied. It was found that the TiO2-B nanowires exhibited a large and reversible change in electrical resistivity when exposed to trace vapor of nitroaromatic and nitroamine explosives. The sensor showed high sensitivity and fast response at room temperature. The chemiresistive effect was attributed to the adsorption...
A 2D mathematical model of a new sensor configuration in electrical impedance tomography (EIT) system is developed. The model is established with consideration for the reformation of the interested region caused by the placement of the arc-shaped electrodes. The concept of the 'virtual' point electrode is introduced. The model is suitable for two-port measurement in an EIT system. Experimental data...
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