The Measurement of ventilation parameters by means of tracer gas techniques and a microcomputer

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<title>Measurement of ventilation parameters by means of tracer gas techniques and a microcomputer</title>
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<title>The Annals of occupational hygiene</title>
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<namePart>Niemelä, R.</namePart>
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<namePart>Toppila, E.</namePart>
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<namePart>Tossavainen, A.</namePart>
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<dateIssued encoding="marc">1984</dateIssued>
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<abstract displayLabel="Summary">A tracer method was developed for the evaluation of workplace ventilation. Nitrous oxide or freon was used of the tracer. The concentration of the tracer gas was measured with an infra-red analyser. The versatility of the tracer technique for industrial hygiene applications was improved by the use of a microcomputer for data calculation, display and storage. Three applications are presented: determination of the capture efficiency of a local exhaust hood; the evaluation of the air leakage of a room; and measurement of the local ventilation rates in a la large industrial plant</abstract>
<note type="statement of responsibility">R. Niemelä, E. Toppila and A. Tossavainen</note>
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<topic>Higiene industrial</topic>
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<topic>Contaminación atmosférica</topic>
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<topic>Control de la contaminación</topic>
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<topic>Ventilación</topic>
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<topic>Aire</topic>
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<topic>Métodos de análisis</topic>
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<text>nº 2, 1984 ; p. 203-210</text>
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