نتایج جستجو برای: commissioning
تعداد نتایج: 4479 فیلتر نتایج به سال:
We investigate the sensitivity of IMRT commissioning using the TG-119 C-shape phantom and credentialing with the IROC head and neck phantom to treatment planning system commissioning errors. We introduced errors into the various aspects of the commissioning process for a 6X photon energy modeled using the analytical anisotropic algorithm within a commercial treatment planning system. Errors wer...
OBJECTIVES The use of external consultants from private and not-for-profit providers in the National Health Service (NHS) is intended to improve the quality of commissioning. The aim of this study was to learn about the support offered to healthcare commissioners, how external consultants and their clients work together and the perceived impact on the quality of commissioning. SETTING NHS com...
Public sector commissioning has risen rapidly to prominence as the central mechanism for the ‘purchase’ of services in an increasingly mixed economy of public services in the UK and this has wide-ranging consequences for non-state actors including those in the third sector. Academic consideration of commissioning has been rather fragmented, concerned with particular service fields or sectors. T...
The Korea Superconducting Tokamak Advanced Research (KSTAR) device site assembly was completed by May 2007. During the assembly period, several key technologies were developed to assemble the superconducting tokamak and its ancillary systems. As will be described in this paper, we encountered several problems and difficulties that mainly stemmed from the uniqueness of the superconducting tokama...
The latest NHS reforms in England will require all general practices to become members of general practitioner (GP) consortia. These organisations will have responsibility for commissioning the majority of health care for their local populations. This article reviews the history and evidence on impact of the previous models of GP commissioning that have been introduced in the NHS with the aim o...
BACKGROUND To determine the views of Clinical Directors working in the United Kingdom (U.K.) Cleft Service with regard to centralisation, commissioning and impact on cleft service provision. METHODS In-depth qualitative interviews were conducted with 11 Clinical Directors representing regional cleft services. Interviews were transcribed verbatim, a coding frame was developed by two researcher...
Introduction: Monte Carlo calculation method is considered to be the most accurate method for dose calculation in radiotherapy. The purpose of this research is comparison between 6 MV Primus LINAC simulation output with commissioning data using EGSnrc and build a Monte Carlo geometry of 6 MV Primus LINAC as realistically as possible. The BEAMnrc and DOSXYZnrc (EGSnrc package) M...
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