Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Kristian Poulsen"'
Autor:
Mads Borup, Anna Hesby, Karina Poulsen, Anne Høyer, Mads Kristian Holten, Kristian Poulsen, Thomas Strøm
Publikováno v:
International Journal of Physiotherapy (2019)
Introduction: Atrophy of the diaphragm muscle has been reported after no more than 18 hours on mechanical ventilation. Inspiratory muscle training and spontaneous breathing trials can be seen as intrusive weaning. We, therefore, hypothesized that end
Externí odkaz:
https://doaj.org/article/3a122c86379248448c84efba86bfd015
Publikováno v:
Ultrasound in Medicine and Biology, 28(5), 635-646. Elsevier Inc.
In the diagnostic frequency range, nonlinear imaging has been shown to improve image contrast and decrease artefacts. The extension of these techniques to high-frequency imaging (>15 MHz) was investigated. The second harmonic beam at 40 MHz of a high
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13ede60fb4fd7e1fb1cd5b4140f60481
https://doi.org/10.1016/s0301-5629(02)00498-2
https://doi.org/10.1016/s0301-5629(02)00498-2
Autor:
Jens Kristian Poulsen
Publikováno v:
Acoustical Imaging ISBN: 9781461346401
Four ultrasonic methods are described for the measurement of volumetric flow without using angle correction. The geometrical configurations are spherical, cylindrical, fan and plane scanning. The cylindrical and fan methods are two new innovations. F
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e0f3e80a3c4d60aa1877fcd6eb7249d9
https://doi.org/10.1007/978-1-4419-8588-0_32
https://doi.org/10.1007/978-1-4419-8588-0_32
Publikováno v:
The Journal of the Acoustical Society of America. 124:1900
In a first aspect the present invention provides a compact high efficiency driver suitable for driving a loudspeaker, such as a miniature loudspeaker for mobile phones or hearing aids. The driver comprising an interface for receiving an input signal,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::24c4efa7a3d10f71d0a92eee397ba574
https://doi.org/10.1121/1.3001079
https://doi.org/10.1121/1.3001079
Autor:
Jens Kristian Poulsen
Publikováno v:
The Journal of the Acoustical Society of America. 115:2377-2377
Nonlinear imaging has already shown improved image resolution compared to fundamental imaging at lower frequencies (2–4 MHz). The required steps to obtain nonlinear images at high frequencies are presented here. The transmit frequency was from 20 t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f94c680096db90f8d3f2423d14cae7c
https://doi.org/10.1121/1.4780148
https://doi.org/10.1121/1.4780148
Publikováno v:
Ultrasound in Medicine & Biology. 23:S88
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d8e395e8daa5754cd6d45e2d01be820
https://doi.org/10.1016/s0301-5629(97)80634-5
https://doi.org/10.1016/s0301-5629(97)80634-5
Publikováno v:
BioMetals; Feb2006, Vol. 19 Issue 1, p61-70, 10p
Autor:
Kristian Poulsen
Publikováno v:
Deutsche Zeitschrift für Chirurgie. 37:55-101
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4bb1a46cb3c3fdf20606f0285aa0fe49
https://doi.org/10.1007/bf02797333
https://doi.org/10.1007/bf02797333
Conference
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Conference
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