Zobrazeno 1 - 10
of 69
pro vyhledávání: '"K.A. Jessen"'
Autor:
Jacob Geleijns, W. Panzer, P.C. Shrimpton, G. Tosi, S.J. Golding, G. Bongartz, E.L. van Persijn van Meerten, A.G. Jurik, K.A. Jessen, J. Petersen, M. Leonardi
Publikováno v:
Radiation Protection Dosimetry. 90:47-52
The rapid technological development within CT has resulted in a continuing expansion of CT examinations. Due to the high radiation dose often delivered by CT it is important to ensure that the required diagnostic information is achieved with minimum
Publikováno v:
Radiation Protection Dosimetry. 52:387-390
Cylindrical tissue-equivalent twin ionisation chambers have been developed based on experience with proportional counters for application in microdosimetric variance-covariance measurements of the dose mean lineal energy, yD, in therapeutic and diagn
Publikováno v:
Radiation Protection Dosimetry. 49:237-240
Publikováno v:
Radiation Protection Dosimetry. 43:233-236
Publikováno v:
Radiation Protection Dosimetry. 43:37-40
Publikováno v:
Radiation Protection Dosimetry. 57:125-127
Autor:
K.A. Jessen
Publikováno v:
Jessen, K A 2001, ' The Quality Criteria Concept: An introduction and Overview ' Rad. Prot. Dosim, no. 94, pp. 29-32 .
The Quality Criteria concept has been developed over the past decade in Europe and applied with success for conventional X ray examinations of adult and paediatric patients. This concept has recently been extended to computed tomography, and will als
Autor:
G. Tosi, Jacob Geleijns, M. Leonardi, A.G. Jurik, S.J. Golding, K.A. Jessen, E.L. van Persijn van Meerten, P.C. Shrimpton, W. Panzer, G. Bongartz
Publikováno v:
RADIATION PROTECTION DOSIMETRY. 90(1-2)
The Quality Criteria concept has recently been extended to Computed Tomography with the European Guidelines on Quality Criteria for CT (EUR 16262) produced under the 4th Framework Research Programme in a Concerted Action. The adaptation of the qualit
Publikováno v:
Radiation Protection Dosimetry. 31:453-455
An experimental arrangement to perform variance-covariance measurements, based on tissue-equivalent proportional counters, is described. Results in a narrow beam geometry for 8 and 16 MV X rays from a medical linear accelerator are given and compared
Autor:
Inger-Lena Lamm, S. Belletti, P. Schneider, Helena Svensson, A. Noel, David I. Thwaites, A. Dutreix, J. Haywood, K.A. Jessen, Fridtjof Nüsslin, Ulf F. Rosenow, H. Gfirtner, W. Seelentag, S. Sheriff, Ben J. Mijnheer, G. Garavaglia
Publikováno v:
Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology. 41(1)
The safe application of ionising radiation for diagnosis and therapy requires a high level of knowledge of the underlying processes and of quality assurance. Sophisticated modern equipment can be used effectively for complicated diagnostic and therap