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2000-2002 S&T e-Digest Contents

2003 S&T e-Digest Contents


Vol. 43, Issue 5, May 2004, pp. 240-247




Determination of Nitromethane in the Air with the use of a Piezoelectric

Sensors Set and Pattern Recognition Technique



Andrew KALACH and Nikolay KLOCHKOV

Physical department, Institute of Ministry of Internal Affairs, Voronezh, Russia

E-mail: andrey_kalach@mnogo.ru


Received: 10 May 2004   /Accepted: 17 May 2004   / Published: 21 May 2004


Abstract: To increase selectivity and sensitivity of determination of nitromethane in the air a set of piezoelectric gas sensors is proposed. In order to increase the differences between the signals sensor responses have been preliminary processed in accordance with the known algorithms. To determine nitrometane in the air an artificial neural network is applied and its parameters have been investigated.


Keywords: piezosensors, nitromethane, pattern recognition, artificial neural network


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