β Scribed by J.G. Fantidis; G.E. Nicolaou; N.F. Tsagas
No coin nor oath required. For personal study only.
A transportable fast and thermal neutron radiography system, incorporating a compact DD neutron generator, has been simulated using the MCNPX code. The materials considered were compatible with the European Union Directive on 'Restriction of Hazardous Substances'(RoHS) 2002/95/EC, hence excluding the use of cadmium and lead. Appropriate collimators were simulated for each of the radiography modes. With suitable aperture and collimator designs, it was possible to optimize the parameters for both fast and thermal neutron radiographies, for a wide range of values of the collimator ratio. The system simulated allows different object sizes to be studied with a wide range of radiography parameters.
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## Abstract Familyβbased association tests (FBATs) provide simple and powerful tests to detect association between a genetic marker and a diseaseβsusceptibility locus, manifest in subjects by a phenotype or disease trait. Here we propose a new class of conditional tests for familyβbased association