We present an available and low cost technique for the production of binary-phase diffractive optical elements designed by digital methods. We produce binary-amplitude holograms making use of a high-resolution graphic device. They are used as binary masks which are copied…

Eumerus purpurariae, described from the Canary Islands (Atlantic), has been reared from the stems (platyclades) of the cactus Opuntia maxima (the first know host) on Nueva Tabarca, a Mediterranean island close to the Iberian coast. The egg, larva and puparium…

Recent research into quality management has examined the relationship between quality management and performance. The purpose of this study is to identify the relationships between quality management practices, and to examine the direct and indirect effects of these practices on…

Magnetic Resonance Imaging (MRI) is an important diagnostic imaging tool that has
seen rapid expansion in recent years with a commensurate increase in the number of
radiographers undertaking MRI scans. This imaging modality is a complex one and the strong

institutions with higher number of papers are the Natural History Museum (United Kingdom). the University of California, Berkeley (USA), the Museum National d'Histoire Naturelle (France). the Universidad Nacional Autonoma do Mexico (Mexico). the American Museum of Natural History (USA) and…

The final version of the voting technology report, in the Journal of Politics

Descripción completa.

In the past, as in the present, older people constituted the
largest single group of recipients of nursing care in both
hospital and community settings. However, the practical
realities associated with providing that nursing care and the
changing organisational frameworks…

To identify any differences between patients referred by police compared with patients referred from other sources, to a psychiatric hospital in Australia, a retrospective audit of 200 patient files was undertaken. The two most common reasons for the involuntary referral…

The central argument of this paper is that current regimes of performance measurement in the
UK's higher education sector are unlikely to deliver any real improvements in performance.
Rather, the paper argues, the most likely outcomes will be further increases…