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Search Results: 1 - 10 of 189817 matches for " Priestley G "
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Scientific Respiratory Symposium, Paris June 2010
Dalglish G, Priestley G
Journal of Asthma and Allergy , 2011, DOI: http://dx.doi.org/10.2147/JAA.S20631
Abstract: ientific Respiratory Symposium, Paris June 2010 Expert Opinion (3746) Total Article Views Authors: Dalglish G, Priestley G Published Date June 2011 Volume 2011:4 Pages 61 - 76 DOI: http://dx.doi.org/10.2147/JAA.S20631 Gavin Dalglish, Graham Priestley Horizon Medical Publishing, Chichester, UK Abstract: At a 2010 Respiratory Symposium in Paris, chaired by Professors Bousquet and Roche of the University of Paris, recent trends in research, therapy and treatment guidelines for asthma and chronic obstructive pulmonary disease (COPD) were reviewed and discussed by a faculty of expert European and US respiratory physicians. This article reviews five key clinical presentations with particular emphasis given to the importance of small airways in the pathology and treatment of asthma and COPD. Further analysis of the economics of treatment in Europe and the US shows a wide variance in direct and indirect costs.
Scientific Respiratory Symposium, Paris June 2010
Dalglish G,Priestley G
Journal of Asthma and Allergy , 2011,
Abstract: Gavin Dalglish, Graham PriestleyHorizon Medical Publishing, Chichester, UKAbstract: At a 2010 Respiratory Symposium in Paris, chaired by Professors Bousquet and Roche of the University of Paris, recent trends in research, therapy and treatment guidelines for asthma and chronic obstructive pulmonary disease (COPD) were reviewed and discussed by a faculty of expert European and US respiratory physicians. This article reviews five key clinical presentations with particular emphasis given to the importance of small airways in the pathology and treatment of asthma and COPD. Further analysis of the economics of treatment in Europe and the US shows a wide variance in direct and indirect costs.Keywords: COPD, asthma, small airways, real-life clinical practice
'Just Scratchin(g) the Surface': The Unacknowledged Commonality of Jazz, Blues, and Gospel
Brian Priestley
Current Research in Jazz , 2012,
Abstract: There has been little attention paid to the study of elements in common between instrumental jazz and vocal blues and gospel. This article attempts to isolate some examples of the many and varied ways in which these three genres of music, despite their ideological differences, have influenced each other. The author touches on the non-verbal content of vocal music and the pseudo-verbal elements of instrumental jazz, including that of Duke Ellington. Priestley's contention is that jazz scholars' willful ignorance of these factors diminishes their awareness of what constitutes the fundamental attraction of jazz.
Dan Morgenstern and Teaching the Early History of Jazz
Brian Priestley
Journal of Music History Pedagogy , 2013,
Abstract: While Dan Morgenstern is best known as the director of the Institute of Jazz Studies (Rutgers University), he is equally important as one of the few writers on jazz to have retained a comprehensive overview of jazz history. Several generations of jazz teachers have only been interested in jazz from bebop onwards and as a consequence few teachers or students of jazz have a real grasp on the scope and sounds of early jazz. The challenge is to make the study of jazz history meaningful and to provide our students with a sufficiently wide contextual base to understand the full history of jazz.
Natural dualities through product representations: bilattices and beyond
Leonardo Cabrer,Hilary Priestley
Mathematics , 2015,
Abstract: This paper focuses on natural dualities for varieties of bilattice-based algebras.Such varieties have been widely studied as semantic models in situations where information is incomplete or inconsistent. The most popular tool for studying bilattices-based algebras is product representation. The authors recently set up a widely applicable algebraic framework which enabled product representations over a base variety to be derived in a uniform and categorical manner. By combining this methodology with that of natural duality theory, we demonstrate how to build a natural duality for any bilattice-based variety which has a suitable product representation over a dualisable base variety. This procedure allows us systematically to present economical natural dualities for many bilattice-based varieties, for most of which no dual representation has previously been given. Among our results we highlight that for bilattices with a generalised conflation operation (not assumed to be an involution or commute with negation). Here both the associated product representation and the duality are new. Finally we outline analogous procedures for pre-bilattice-based algebras (so negation is absent).
Degeneration of primary afferent terminals following brachial plexus extensive avulsion injury in rats
Mu?etón-Gómez,Vilma; Taylor,Julian Scott; Averil,Sharon; Priestley,John V; Nieto-Sampedro,Manuel;
Biomédica , 2004,
Abstract: important breakthroughs in the understanding regeneration failure in an injured cns have been made by studies of primary afferent neurons. dorsal rhizotomy has provided an experimental model of brachial plexus (bp) avulsion. this is an injury in which the central branches of primary afferents are disrupted at their point of entry into the spinal cord, bringing motor and sensory dysfunction to the upper limbs. in the present work, the central axonal organization of primary afferents was examined in control (without lesion) adult wistar rats and in rats subjected to a c3-t3 rhizotomy. specific sensory axon subtypes were recognized by application of antibodies to the calcitonin gene-related peptide (cgrp), the p2x3 purinoreceptor, the low-affinity p75-neurotrophin receptor and the retrograde tracer cholera toxin subunit b (tcb ). other subtypes weres labeled with the lectin griffonia simplicifolia ib4. using immunohistochemistry and high resolution light microscopy, brachial plexus rhizotomy in adult rats has proven a reliable model for several neural deficits in humans. this lesion produced different degrees of terminal degeneration in the several types of primary afferents which define sub-populations of sensitive neurons. between the c6 and c8 levels of the spinal cord,,deafferentation was partial for peptidergic gcrp-positive fibers, in contrast with elimination of non peptidergic and myelinated fibers. dorsal rhizotomy has provided an adequate experimental model to study sensory alterations such as acute pain and allodynia as well as factors that affect regeneration into the cns., therefore, the differential deafferentation response must be considered inr the evaluation of therapies for nociception (pain) and regeneration for brachial plexus avulsion. the anatomical diffierences among the primary afferent subtypes also affect their roles in normal and damaged conditions.
Golf Course Irrigation with Reclaimed Water in the Mediterranean: A Risk Management Matter
Miquel Salgot,Gerda K. Priestley,Montserrat Folch
Water , 2012, DOI: 10.3390/w4020389
Abstract: Controversy regarding the amount of water consumed or saved as a result of human activity is currently paramount in water-scarce areas. In recent decades, golf—a land and water consuming activity—has been implanted in several areas of the Mediterranean basin, where the scarcity of water resources is well-known. As a result, the use of conventional water resources for golf course irrigation is increasingly contested and its replacement by reclaimed water has become essential. This paper examines the wide range of issues involved in its use on golf courses, including hazards—due to the presence of microorganisms and pollutants—and the corresponding risks that can appear. The resulting biological, chemical and physical water quality concerns are analyzed. Legal aspects related to the use of reclaimed water are also discussed and good reuse practices are suggested, including a detailed examination of risk assessment procedures and tools through observation or chemical, physical and microbiological analysis. The HACCP system—which focuses on quality determination in water samples from relevant control points—is described in detail, as it is generally accepted as one of the most scientific ways to detect health problems on a golf course. The paper concludes that, given the increasing availability of treated and reclaimed water and the water needs of golf courses, the future development of the sport in areas without surplus water resources—such as the Mediterranean basin—will predictably depend upon the use of reclaimed water. In recent years, risk assessment or analysis has emerged as an essential tool to guarantee the application of reclaimed water at an acceptable risk level. There certainly have been considerable advances and improvements in the tools that guarantee the safe use of reclaimed water, although current methods available require simplification for their practical application. Nevertheless, protocols applied at present seem to be adequate in order to address the key issue of enhancing the development of reclaimed water use on golf courses.
On the evolution of intra-cluster gas within Galactic globular clusters
William Priestley,Maximilian Ruffert,Maurizio Salaris
Physics , 2010, DOI: 10.1111/j.1365-2966.2010.17822.x
Abstract: It has been known since the 1950's that the observed gas content of Galactic globular clusters (GCs) is 2-3 orders of magnitude less than the mass lost by stars between Galactic disk crossings. In this work we address the question: What happens to this stellar gas? Using an Eulerian nested grid code, we present 3D simulations to determine how stellar wind material evolves within the GC environment. We expand upon work done in the 70's and move a single-mass King-model GC through the Galactic halo medium, stripping a 10^5 Msun GC of its intra-cluster medium but predicting a detectable medium for a 10^6 Msun cluster. We find from new multi-mass King model simulations, the first to incorporate empirical mass-loss formulae, that the single-mass King model underestimates the retention of intra-cluster gas in the cluster. Lastly, we present a simple discretised multi-mass GC model, which yields lower levels of intra-cluster medium compared to the continuous single- and multi-mass King models. Our results show that there is still an issue with the predicted intra-cluster gas content of massive GCs. We conclude that by modelling GC systems more accurately, in particular the stellar structure and description of mass loss, we will be able to work towards resolving this issue and begin to fill in some of the gaps in our understanding of the evolution of globular clusters.
G?del algebras: interactive dualities and their applications
Leonardo M. Cabrer,Hilary A. Priestley
Mathematics , 2013,
Abstract: We present a technique for deriving certain new natural dualities for any variety of algebras generated by a finite Heyting chain. The dualities we construct are tailored to admit a transparent translation to the more pictorial Priestley/Esakia duality and back again. This enables us to combine the two approaches and so to capitalise on the virtues of both, in particular the categorical good behaviour of a natural duality: we thereby demonstrate the fullness, or not, of each of our dualities; we obtain new results on amalgamation; and we also provide a simple treatment of coproducts.
Symmetries of a class of nonlinear fourth order partial differential equations
Peter A. Clarkson,Thomas J. Priestley
Mathematics , 1999, DOI: 10.2991/jnmp.1999.6.1.6
Abstract: In this paper we study symmetry reductions of a class of nonlinear fourth order partial differential equations \be u_{tt} = \left(\kappa u + \gamma u^2\right)_{xx} + u u_{xxxx} +\mu u_{xxtt}+\alpha u_x u_{xxx} + \beta u_{xx}^2, \ee where $\alpha$, $\beta$, $\gamma$, $\kappa$ and $\mu$ are constants. This equation may be thought of as a fourth order analogue of a generalization of the Camassa-Holm equation, about which there has been considerable recent interest. Further equation (1) is a ``Boussinesq-type'' equation which arises as a model of vibrations of an anharmonic mass-spring chain and admits both ``compacton'' and conventional solitons. A catalogue of symmetry reductions for equation (1) is obtained using the classical Lie method and the nonclassical method due to Bluman and Cole. In particular we obtain several reductions using the nonclassical method which are no} obtainable through the classical method.
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