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Glycine-assisted polyaniline-NiCo2O4 composite porous powder was synthesized by a simple chemical method. The FT-IR and UV-visible spectroscopy analysis confirmed the presence of the corresponding functional groups. Scanning electron microscopy revealed the porous morphology of NiCo2O4 and a brush-like morphology of PANi-NiCo2O4 composite which helps in enhancing the electrochemical performance of...
A clad modified optical fiber gas sensor for sensing volatile organic compound vapours (VOCs) such as formaldehyde (HCHO), ammonia (NH3), ethanol (C2H5OH) and methanol (CH3OH) up to 500ppm was studied using nanocrystalline nickel oxide embedded coatings. Prior to the measurements, nickel oxide in two different crystallite sizes such as 24nm and 76nm was synthesized by calcination of reverse precipitated...
We consider the task of automatic classification of healthy subjects and patients with essential vocal tremor (EVT) from a recording of sustained phonation. For the classification task, we propose a new set of acoustic features called pitch oscillation characteristics (POC) using empirical mode decomposition of high resolution pitch contour and its derivative. Classification experiments are performed...
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