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    <marc:controlfield tag="001">9.869887</marc:controlfield>
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    <marc:controlfield tag="008">190314t20192019onca    ob   f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">Banister, Carsen, </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Evaluation of low-cost CO₂ sensors / </marc:subfield>
      <marc:subfield code="b">author(s), Carsen Banister, Justin Berquist, Talal Toushan.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">[Ottawa] : </marc:subfield>
      <marc:subfield code="b">National Research Council Canada = Conseil national de recherches Canada, </marc:subfield>
      <marc:subfield code="c">2019.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="4">
      <marc:subfield code="c">©2019</marc:subfield>
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      <marc:subfield code="a">1 online resource (iv, 33 pages) : </marc:subfield>
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      <marc:subfield code="a">text</marc:subfield>
      <marc:subfield code="b">txt</marc:subfield>
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      <marc:subfield code="a">computer</marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
      <marc:subfield code="b">cr</marc:subfield>
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    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">At head of title: NRC-CNRC Construction.</marc:subfield>
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      <marc:subfield code="a">"Report No.: A1-009645.4."</marc:subfield>
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    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">"Report Date: 14 March 2019."</marc:subfield>
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    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references (page 27).</marc:subfield>
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    <marc:datafield tag="520" ind1=" " ind2=" ">
      <marc:subfield code="a">"Demand-controlled ventilation (DCV) systems use indicators of demand for ventilation, such as excess carbon dioxide, to control a ventilation system. DCV denotes continuously and automatically adjusting the ventilation rate in response to indoor pollutant concentrations. DCV systems have the potential to ventilate more at times when it provides an indoor air quality (IAQ) advantage and less when it provides an energy advantage (during vacancy). The focus of the work presented here is to evaluate the performance of two selected low-cost CO₂ sensors to verify their suitability in the control of residential ventilation systems"--Executive summary, page iv.</marc:subfield>
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      <marc:subfield code="a">Carbon dioxide</marc:subfield>
      <marc:subfield code="x">Measurement</marc:subfield>
      <marc:subfield code="x">Instruments</marc:subfield>
      <marc:subfield code="x">Testing.</marc:subfield>
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      <marc:subfield code="a">Gas detectors</marc:subfield>
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      <marc:subfield code="a">Gaz carbonique</marc:subfield>
      <marc:subfield code="x">Mesure</marc:subfield>
      <marc:subfield code="x">Instruments</marc:subfield>
      <marc:subfield code="x">Essais.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Détecteurs de gaz</marc:subfield>
      <marc:subfield code="x">Essais.</marc:subfield>
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      <marc:subfield code="a">National Research Council Canada, </marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">3.46 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2021/cnrc-nrc/NR24-35-2019-eng.pdf</marc:subfield>
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