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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
The X-ray CT lab and the research at the Institute of Geonics AS CR
 Souček, Kamil ; Staš, Lubomír
In recent decades, non-destructive methods of materials analysis (Desrues 2006) have been used increasingly for the study of different kinds of materials. Especially, it concerns the method of the X-ray computed tomography (CT). This technique was invented in 1970's (Hounsfield 1972) and it quickly became an indispensable part of medicine. In the 1980's, this success in medicine encouraged the research and development of the X-ray CT applications in the field of materials engineering and consequently also in the field of geomaterials (Otani, Obara 2004). Nowadays, many applications are possible due to high resolution of individual building units in the tomographic cross-sections (so called voxels) with dimensions of units or tens of micrometres. To get this resolution, the use of the 2D and the 3D high-resolution X-ray CT, or the micro-CT with micro-focal sources of X-rays, and suitable linear or flat (2D) X-Ray detectors are preferred.
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Acceptability of X-ray security controls at the airports
 Heriban, Josef ; Druláková, Radka (advisor) ; Dubský, Zbyněk (referee)
Security controls at airports using full-body scanners based on X-rays which have been installed by states since the experience with September 11, 2001 and with other terrorist attacks invoke debates in both professional and social-wide circle. The acceptability for society is discussed having a core role in its health, economic, ethic or politic aspects. The aspiration of this bachelor thesis stem from global evaluation of all those aspects interconnected with legal settings of such measures. Special attention belongs to the United States and Europe, representing the west cultural area, which are the most often addressees of contemporary terrorism.
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