Zobrazeno 1 - 10 of 24 pro vyhledávání: '"B. Bracher"'
3
Acute hormonal responses of a high impact physical exercise session in early postmenopausal women
Autor: R. Pintag, Wolfgang Kemmler, Jürgen Weineck, Klaus Engelke, B. Bracher, M. Pavel, L. Wildt, Willi A. Kalender
Publikováno v: European Journal of Applied Physiology. 90:199-209
The effect of a single bout of exercise on hormones affecting bone metabolism was studied in 25 early postmenopausal women with osteopenia. The complex training session was performed between 8:00 a.m. and 9:05 a.m. Serum concentrations of dehydroepia
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48961c6579c373127c759b26712ac2d0
https://doi.org/10.1007/s00421-003-0874-7
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4
Surface acoustic wave attenuation by the localized states of a two-dimensional carrier system in a magnetic field
Autor: Mohamed Henini, B Bracher, Christopher J. Mellor, V. W. Rampton, I Kennedy, C. T. Foxon, J. J. Harris
Publikováno v: Semiconductor Science and Technology. 16:136-139
The surface acoustic wave attenuation and dispersion have been measured as a function of magnetic field for both a two-dimensional electron system and a two-dimensional hole system at frequencies between 100 and 1100 MHz. The experiments were made at
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::903312fc98d448511ff553527ddcdf27
https://doi.org/10.1088/0268-1242/16/3/302
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6
Composite fermion signature in the acoustoelectric effect in 2DES and 2DHS
Autor: Christopher J. Mellor, Mohamed Henini, V. W. Rampton, Peter Coleridge, Z. R. Wasilewski, B Bracher, I Kennedy
Publikováno v: Scopus-Elsevier
The integer and fractional quantum Hall effects have been investigated using the acoustoelectric effect in both two-dimensional hole and electron systems fabricated by MBE on GaAs. Measurements have been made of the longitudinal and transverse acoust
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9d6772d417f0ea21631a24d1c39dfef6
https://doi.org/10.1016/s0921-4526(98)00062-3
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9
Surface acoustic wave interactions with composite fermions and the acousto-electric effect
Autor: V. W. Rampton, Z. R. Wasilewski, Mohamed Henini, Peter Coleridge, I Kennedy, B Bracher, Christopher J. Mellor
Publikováno v: Physica B: Condensed Matter. :205-207
We have made experiments using surface acoustic waves (SAW) at frequencies up to 1 GHz to study the acousto-electric voltages generated by a 2D electron system (2DES) or a 2D hole system (2DHS) at a GaAs/AlGaAs heterojunction. A magnetic field up to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3a2bda48ee4cf438c3c5775ca84e5659
https://doi.org/10.1016/s0921-4526(98)01337-4
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10
Saw attenuation by the localised states of a 2D carrier system in a magnetic field
Autor: J. J. Harris, B Bracher, Mohamed Henini, V. W. Rampton, C. T. Foxon, Christopher J. Mellor, I Kennedy
Publikováno v: Physica B: Condensed Matter. :214-216
The surface acoustic wave attenuation and dispersion have been measured as a function of magnetic field for both a 2D electron system and a 2D hole system at frequencies between 100 and 1100 MHz. The experiments were made at 350 mK in the quantum Hal
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::86865c768593ca5dd02727d5f8b8009b
https://doi.org/10.1016/s0921-4526(98)01221-6
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