Design of industrial exhaust systems using a programmable calculator

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      <subfield code="a">A simple-to-use program is presented that makes possible the computation of industrial exhaust system networks using a small Hewlett Packard 97 calculator. The program follows the procedure presented in the ACGIH Industrial Ventilation Manual. It includes balancing procedures at junctions and correction for velocity changes. It can be adapted to other pocket size calculators or other data bases</subfield>
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      <subfield code="a">Sistemas de ventilación</subfield>
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      <subfield code="a">The Annals of occupational hygiene</subfield>
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      <subfield code="t">The Annals of occupational hygiene</subfield>
      <subfield code="d">Oxford [etc.]</subfield>
      <subfield code="g">nº 2, 1981 ; p. 217-224</subfield>
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