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      <marc:subfield code="a">Asfour, Abdul-Fattah Aly, </marc:subfield>
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      <marc:subfield code="a">Diffusion in polymers : </marc:subfield>
      <marc:subfield code="b">a review / </marc:subfield>
      <marc:subfield code="c">by Abdul-Fattah A. Asfour, D.C.R. De Kee, M. Saleem.</marc:subfield>
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      <marc:subfield code="a">Ottawa, Ontario : </marc:subfield>
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      <marc:subfield code="c">May 20, 1986.</marc:subfield>
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      <marc:subfield code="a">1 online resource (iii, 45 pages) : </marc:subfield>
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      <marc:subfield code="a">"Contract No. 20ST.97714-4-2701."</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Defence Research and Development Canada].</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (pages 41-45).</marc:subfield>
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      <marc:subfield code="a">"The main thrust of this report is to provide a comprehensive literature review on diffusion in polymers. The report starts out with a description of diffusion processes, clearly identifying the terminology involved as well as the methods for measuring diffusion coefficients. The factors affecting diffusivities and the theories for predicting the dependence of diffusivity on concentration are also covered. Finally, an experimental technique and a design for an experimental set-up are described"--Summary, page iii.</marc:subfield>
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      <marc:subfield code="a">Polymers</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/rddc-drdc/D68-19-2-1986-eng.pdf</marc:subfield>
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