<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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    <marc:controlfield tag="007">cr |||||||||||</marc:controlfield>
    <marc:controlfield tag="008">190118s1958    onca   |o    f|0| 0 eng d</marc:controlfield>
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      <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">Gibson, E. C.</marc:subfield>
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    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Measurement of the residence time of slurries in an aerator tank, using radioactive tracers </marc:subfield>
      <marc:subfield code="h">[electronic resource] / </marc:subfield>
      <marc:subfield code="c">by E. C. Gibson &amp; G. G. Eichholz.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="260" ind1=" " ind2=" ">
      <marc:subfield code="a">Ottawa : </marc:subfield>
      <marc:subfield code="b">Department of Mines and Technical Surveys, </marc:subfield>
      <marc:subfield code="c">1958.</marc:subfield>
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    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">ii, 10 p. : </marc:subfield>
      <marc:subfield code="b">ills.</marc:subfield>
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      <marc:subfield code="a">Mines Branch Research Report ; </marc:subfield>
      <marc:subfield code="v">R 18.</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Natural Resources Canada].</marc:subfield>
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      <marc:subfield code="a">"June 19, 1958."</marc:subfield>
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      <marc:subfield code="a">Cover title.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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      <marc:subfield code="a">"Radioactive silver was used as a tracer to investigate the flow characteristics and the effective residence times of a slurry in a laboratory tank used for aeration in pilot plant flotation operations"--Abstract, p. i.</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
      <marc:subfield code="a">Metals</marc:subfield>
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      <marc:subfield code="a">Eichholz, G. G.</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Department of Mines and Technical Surveys.</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Mines Branch.</marc:subfield>
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      <marc:subfield code="a">Research report (Canada. Mines Branch)</marc:subfield>
      <marc:subfield code="v">R 18.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.855660</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">1.02 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/rncan-nrcan/m38-1/M38-1-18-1958-eng.pdf</marc:subfield>
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