Search Results - "Leveller"

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    Understanding ultrasonic level measurement by Milligan, Stephen

    Published 2013
    Table of Contents: “…History of ultrasonics -- Ultrasonics and level measurement -- Product development map -- Ultrasonic theory -- Sound -- Using sound -- Frequency and wavelength -- Measurement principle -- The medium and the message -- Sound intensity -- Sound velocity and temperature -- Sound velocity and gas -- Sound velocity and pressure -- Sound velocity and vacuum -- Sound velocity and attenuation -- Sound reflection -- Sound diffraction -- Sound pressure level (SPL) -- Sound intensity changes -- Summary --…”
    An electronic book accessible through the World Wide Web; click to view
    Electronic eBook
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    Race differences in intelligence / by Loehlin, John C.

    Published 1975
    Subjects:
    Book
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    Quantum dots

    Published 2002
    Subjects:
    An electronic book accessible through the World Wide Web; click to view
    Electronic eBook
  12. 132

    Race differences in intelligence / by Loehlin, John C.

    Published 1975
    Subjects:
    Book
  13. 133

    Quantum dots

    Published 2002
    Subjects:
    An electronic book accessible through the World Wide Web; click to view
    Electronic eBook
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    Readings about individual and group differences.

    Published 1979
    Subjects:
    Book
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    Sea-level changes in the Gulf of Mexico by Davis, Richard A. (Richard Albert), 1937-

    Published 2011
    Subjects: “…Sea level Mexico, Gulf of.…”
    An electronic book accessible through the World Wide Web; click to view
    Electronic eBook
  18. 138

    Sea-level changes in the Gulf of Mexico by Davis, Richard A. (Richard Albert), 1937-

    Published 2011
    Subjects: “…Sea level Mexico, Gulf of.…”
    An electronic book accessible through the World Wide Web; click to view
    Electronic eBook
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    Readings about individual and group differences.

    Published 1979
    Subjects:
    Book