<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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    <marc:controlfield tag="001">9.931640</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20250212084524</marc:controlfield>
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    <marc:controlfield tag="008">230123e198310##onca    ob   f|0| 0 eng d</marc:controlfield>
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      <marc:subfield code="a">eng</marc:subfield>
      <marc:subfield code="b">eng</marc:subfield>
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      <marc:subfield code="a">n-cn---</marc:subfield>
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      <marc:subfield code="a">En37-666/1983E-PDF</marc:subfield>
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    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">Tsang, Gee, </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Electronic and mechanical design of the NWRI frazil instrument / </marc:subfield>
      <marc:subfield code="c">by Gee Tsang and Manuel Pedrosa.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">[Burlington, Ontario] : </marc:subfield>
      <marc:subfield code="b">Environmental Hydraulics Section, Hydraulics Division, National Water Research Institute, Canada Centre for Inland Waters, </marc:subfield>
      <marc:subfield code="c">October 1983.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">1 online resource (ii, 10, [10] pages) : </marc:subfield>
      <marc:subfield code="b">illustrations</marc:subfield>
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      <marc:subfield code="a">computer</marc:subfield>
      <marc:subfield code="b">c</marc:subfield>
      <marc:subfield code="2">rdamedia</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">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1=" " ind2=" ">
      <marc:subfield code="a">"A frazil instrument that can measure the concentration of frazil in fresh water has been developed at National Water Research Institute. This report contains all the technical information of the conceptual design, electronic circuitry and mechanical construction of the NWRI frazil instrument"--Abstract, page i.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="546" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes abstract in French.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Frazil ice</marc:subfield>
      <marc:subfield code="x">Measurement</marc:subfield>
      <marc:subfield code="x">Instruments.</marc:subfield>
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      <marc:subfield code="a">Frasil</marc:subfield>
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      <marc:subfield code="x">Instruments.</marc:subfield>
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      <marc:subfield code="a">National Water Research Institute (Canada). </marc:subfield>
      <marc:subfield code="b">Environmental Hydraulics Section, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="a">Canada Centre for Inland Waters, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">1.96 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/eccc/en37/En37-666-1983-eng.pdf</marc:subfield>
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