نتایج جستجو برای: chemical sensor
تعداد نتایج: 560492 فیلتر نتایج به سال:
Control of the raw material has considerable influence on final wine quality. The objective of this work was to develop a sensor capable of assessing grape juice quality in the cellar. Sensor response was compared with conventional chemical analysis using multivariate data techniques. The aroma sensor array is composed of 14 metal oxide sensors (MOS) gas transducers plus a temperature and a rel...
A wireless, passive, remote-query sensor for monitoring sodium hypochlorite (bleach) solutions is reported. The sensor is comprised of a magnetically-soft ferromagnetic ribbon, coated with a layer of polyurethane and alumina, having a large and nonlinear permeability that supports higher-order harmonics in response to a time varying magnetic field. The hypochlorite ions induce swelling in the c...
We present a new type of chemical transducer, the co~orn~~c sensor, This sensor is in fact an integrated sensor-actuator system that is able to measure the concentration of acids and bases by means of a coulometric titration. An ISFET is used as the sensor to monitor the pH changes induced by the actuator, which is a gold electrode that fits closely around the ISFET’s gate area. Coubmetry is an...
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