To better understand why some drug abuse treatment programs are more effective than others, USA research about organizational functioning and its role in the provision of treatment services was extended through a study of a delivery system in another country. The Texas Christian University (TCU) organizational functioning and readiness for change instrument (ORC) was translated into Italian and administered to 405 treatment program directors and staff from both public and private sectors in the Veneto Region of Northern Italy. Results indicated that the psychometric properties of the ORC in the USA and Italy are consistent. Some general differences in staff attributes were found between USA and Italian programs, but organizational climates were remarkably similar.
Dust-wall high velocity impacts, triggered by runway electron dissipation, constitute an important source of gross erosion. Normal high velocity mechanical impacts of micrometer tungsten dust on bulk tungsten plates have been reproduced in a controlled manner by light gas gun shooting systems. Post-mortem surface analysis revealed that three erosion regimes are realized; plastic deformation, bonding and partial disintegration. The large impact statistics allowed the extraction of reliable empirical damage laws in the latter regime, which can be employed for erosion estimates in future reactors.
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