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  1. Article

    Open Access

    Views of the public about Snacktivity™: a small changes approach to promoting physical activity and reducing sedentary behaviour

    Many people do not meet the recommended health guidance of participation in a minimum of 150–300 min of moderate intensity physical activity per week, often promoted as at least 30 min of physical activity on ...

    K. Gokal, R. Amos-Hirst, C. A. Moakes, J. P. Sanders, D. W. Esliger… in BMC Public Health (2022)

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  2. No Access

    Chapter

    Structure and Properties of Tin-Doped Metal Oxides

    Tin-doped Fe3O4 prepared by solid state reactions is shown by X-ray powder diffraction and extended X-ray absorption fine structure to contain tin in the octahedral sites of the inverse spinel-related structure.

    F. J. Berry, C. Greaves, Ö. Helgason… in Mössbauer Spectroscopy in Materials Science (1999)

  3. No Access

    Article

    Analysis of oxyanion (BO 3 3− , CO 3 2− , SO 4 2− , PO 4 3− , SeO 4 4- ) substitution in Y123 compounds studied by X-ray photoelectron spectroscopy

    XPS core level spectra of Y123 compounds doped by C, B, S, P, and Se elements are presented. It is found that the C1s, E1s, S2p, P2p, and Se3d binding energies of doped compounds are close to those of CaCO3, FeBO

    E. Z. Kurmaev, V. V. Fedorenko, V. R. Galakhov… in Journal of Superconductivity (1996)

  4. No Access

    Article

    Synthesis, composition, and structure of superconducting (Y, Ca)Sr, Ba)2Cu2GaO7−δ

    The superconducting properties of Y1−y Ca y Sr2Cu2GaO7−δ have been examined and related to the Ca content,y, and the use of annealing treatments at 350 bar oxygen. Superconductiv...

    T. G. N. Babu, C. Greaves in Journal of Superconductivity (1995)

  5. No Access

    Article

    Synthesis and superconducting properties of the strontium copper oxy-fluoride Sr2CuO2F2+δ

    HIGH-PRESSURE synthesis has proved a useful technique for obtaining new, metastable copper oxide superconductors; for example, oxygen insertion into Sr2CuO3 at 6 GPa (ref. 1) yields superconducting Sr2CuO3.i, wi...

    M. AI-Mamouri, P. P. Edwards, C. Greaves, M. Slaski in Nature (1994)

  6. No Access

    Article

    Chemical control of superconducting properties of (Y, Ca)(Sr, Ba)2Cu2.7Ga0.3O7−δ

    The partial substitution of Ga at the Cu(1) (chain) sites of the YBa2Cu3O7 structure allows synthesis at ambient pressure of Ba-free analogs, e.g., YSr2Cu2.7Ga0.3O7−δ . Materials with this composition have been f...

    T. G. N. Babu, C. Greaves in Journal of Superconductivity (1994)

  7. No Access

    Article

    Holzuntersuchungen

    J. E. Koch, W. Krieg, E. E. Harris, R. L. Mitchell… in Zeitschrift für analytische Chemie (1940)