Search Results - "Dawson, D.H."

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    Electrochemical sensing of volcanic gases by Roberts, T.J., Braban, C.F., Oppenheimer, C., Martin, R.S., Freshwater, R.A., Dawson, D.H., Griffiths, P.T., Cox, R.A., Saffell, J.R., Jones, R.L.

    Published in Chemical geology (25-11-2012)
    “…We report here the development and application of a compact “geochemical nose” incorporating electrochemical sensors for gas measurements in volcanic plumes. A…”
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    Journal Article
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    Description and characterization of a hydrogen sulfide gas sensor based on Cr 2-yTi yO 3+x by Dawson, D.H., Henshaw, G.S., Williams, D.E.

    “…When heated to elevated temperatures (>250°C), the chromium titanium oxides Cr 2-yTi yO 3+x displayed p-type semiconducting behaviour giving a resistance…”
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    Journal Article
  4. 4

    The electrochemistry of chemically modified conducting polymers by Dawson, D.H

    Published 01-01-1992
    “…The work described in this thesis concentrates on chemically modified heterocyclic conducting polymers based upon pyrrole, thiophene and indole monomers with…”
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    Dissertation
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    Velocity tracking control for a separately excited DC motor without velocity measurements by Burg, T.C., Dawson, D.H., Hu, J., Vedagarbha, A.

    “…This paper applies advanced control techniques to the problem of sensorless velocity control for wound stator DC electric motors. Specifically, a nonlinear…”
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    Conference Proceeding