<?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">9.866668</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20221107162114</marc:controlfield>
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    <marc:controlfield tag="008">190107t19761977onca    ob   f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">CaOODSP</marc:subfield>
      <marc:subfield code="b">eng</marc:subfield>
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      <marc:subfield code="a">eng</marc:subfield>
      <marc:subfield code="b">fre</marc:subfield>
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      <marc:subfield code="a">n-cn---</marc:subfield>
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      <marc:subfield code="a">M38-13/77-21E-PDF</marc:subfield>
      <marc:subfield code="z">M38-13/77-21</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">Mirkovich, V. V.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="3">
      <marc:subfield code="a">An apparatus for measuring thermal diffusivity in air </marc:subfield>
      <marc:subfield code="h">[electronic resource] / </marc:subfield>
      <marc:subfield code="c">V.V. Mirkovich.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="260" ind1=" " ind2=" ">
      <marc:subfield code="a">Ottawa : </marc:subfield>
      <marc:subfield code="b">CANMET, Energy, Mines and Resources Canada, </marc:subfield>
      <marc:subfield code="c">1976, c1977.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">v, 28 p. : </marc:subfield>
      <marc:subfield code="b">ill.</marc:subfield>
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    <marc:datafield tag="490" ind1="1" ind2=" ">
      <marc:subfield code="a">CANMET report ; </marc:subfield>
      <marc:subfield code="v">77-21</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Cover title.</marc:subfield>
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    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">"December 1976."</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">"Minerals Research Program, Mineral Sciences Laboratories."</marc:subfield>
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    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Digitized edition from print [produced by Natural Resources Canada].</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"In view of the recent interest in materials for generating and conserving energy, the determination of their thermal properties has become important. One such property is thermal diffusivity. Two prototypes for measuring thermal diffusivity of solid materials in air are described. These prototypes, which are based on the concepts of an infinite cylinder and radial heat flow, are designed to measure thermal diffusivity in transitory and periodic temperature modes. Measurements performed on Pyroceram Code 9606 have shown that accurate data can be obtained in one of the experimental models in the temperature range of 25° to 700°C"--Abstract, p. i.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="546" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes abstract in French.</marc:subfield>
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    <marc:datafield tag="693" ind1=" " ind2="4">
      <marc:subfield code="a">Thermal diffusivity--Measurement--Equipment and supplies</marc:subfield>
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    <marc:datafield tag="710" ind1="1" ind2=" ">
      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Energy, Mines and Resources Canada.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="2" ind2=" ">
      <marc:subfield code="a">Canada Centre for Mineral and Energy Technology.</marc:subfield>
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    <marc:datafield tag="710" ind1="2" ind2=" ">
      <marc:subfield code="a">Minerals Research Program (Canada)</marc:subfield>
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      <marc:subfield code="a">Mineral Sciences Laboratories (Canada)</marc:subfield>
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      <marc:subfield code="a">CANMET report ;</marc:subfield>
      <marc:subfield code="v">77-21.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.852792</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">732 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/rncan-nrcan/m38-13/M38-13-77-21-eng.pdf</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="986" ind1=" " ind2=" ">
      <marc:subfield code="a">307152</marc:subfield>
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