9 research outputs found
Introduction to the book: Interdisciplinarity in the Performing Arts: Contemporary Perspectives
No full textThe introduction to this book includes an overview of current discourses on interdisciplinary research and practice within the performing arts, and gives an overview of chapters contained in the book. Interdisciplinarity in the Performing Arts: Contemporary Perspectives contributes to current discussion about the intrinsic interdisciplinary nature of the performing arts, while also identifying the potential which theatre, dance, and music have in creating bridges with other disciplines like neuroscience, social sciences, philosophy, pedagogy, and therapy. Coordinated by the School of Performing Arts of the University of Malta and featuring contributions from KU Leuven, Ghent University, Vrije Universiteit Brussel (Belgium), Royal Holloway (London), Universidade Estadual de Campinas (Brazil), and Adam Mickiewicz University (Poland), this publication explores questions brought forward by approaches to performance that interweave theory and practice, through examples of methodologies, philosophies, interpretations, and applications of interdisciplinarity today
Interdisciplinarity in the Performing Arts: Contemporary Perspectives
No full textThis book is co-edited by myself with Dr Stefan Aquilina.Interdisciplinarity in the Performing Arts: Contemporary Perspectives contributes to current discussion about the intrinsic interdisciplinary nature of the performing arts, while also identifying the potential which theatre, dance, and music have in creating bridges with other disciplines like neuroscience, social sciences, philosophy, pedagogy, and therapy. Coordinated by the School of Performing Arts of the University of Malta and featuring contributions from KU Leuven, Ghent University, Vrije Universiteit Brussel (Belgium), Royal Holloway (London), Universidade Estadual de Campinas (Brazil), and Adam Mickiewicz University (Poland), this publication explores questions brought forward by approaches to performance that interweave theory and practice, through examples of methodologies, philosophies, interpretations, and applications of interdisciplinarity today
Electron energy loss-near edge structure as a fingerprint for identifying chromium nitrides
No full textElectron energy loss-near edge structure as a fingerprint for identifying chromium nitrides
C. Mitterbauer Corresponding Author Contact Information, E-mail The Corresponding Author, a, C. Hébert b, G. Kothleitner a, F. Hofer a, P. Schattschneider b and H. W. Zandbergen c
a Research Institute for Electron Microscopy, Graz University of Technology, Steyrergasse 17, A-8010, Graz, Austria
b Institute for Solid State Physics, Vienna University of Technology, Wiedner Hauptstraße 8-10/138, A-1040, Wien, Austria
c Laboratory of Materials Science, Centre for HREM, Delft University of Technology, Rotterdamseweg 137, 2628 AL, Delft, The Netherlands
Received 5 December 2003; accepted 30 January 2004 by H. Eschrig Available online 11 February 2004.
Abstract
Electron energy-loss near-edge structure data for the N K and the Cr L2,3 edges of CrN and Cr2N have been acquired in order to distinguish between these chromium nitride modifications. The N K edge spectra of these compounds have been modelled using both band structure and multiple scattering methods. We compare the results of these calculations with the experimental edges which have been recorded using a conventional transmission electron microscope (TEM) as well as a monochromated TEM (Wien filter).
Author Keywords: Author Keywords: A. Chromium nitride; C. Scanning and transmission electron microscopy; E. Electron energy loss spectroscopy
82.80.Pv; 61.16.Bg; 71.20.−b; 11.80.L
Thermal conductivity of liquid helium three
No full textWe have measured the thermal conductivity of liquid He3 at
low pressure from O. 055 0 K to O. 47
o
K, at 99.8 psi from O. 0550 K to
O. 750 K and at 396.8 psi from O. 0550 K to O. 87
o
K. At all pressures and
at sufficiently low temperatures the thermal conductivity increases with
decreasing temperature. At low pressures our data agree with the data
of Anderson et al* which, at temperatures lower than those investigated
in this experiment, agreed with the T-
1
temperature dependence predicted
by Fermi liquid theory. At higher pres sures we definitely do not go low
enough in temperature for the simple Fermi liquid picture to be valid. At
high temperatures the conductivity increases slowly with increasing temperature.
Near 10K the effect of pressure on the conductivity, large at
lower temperatures, has become very small. At all temperatures the
conductivity decreases with increasing pressure. As the pressure is increased
the minimum in the conductivity occurs at a lower temperature.
These data have provided an experimental basis for theories of
transport properties at temperature s too high for the simple Fermi liquid
picture to be valid but in a region where degeneracy effects ate still
important. The re sults of the se measurements will be published by
the author, A. C. Anderson, O. E. Vilches, and J. C. Wheatley.Submitted by Carolyn Mead ([email protected]) on 2011-05-19T16:16:43Z
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Polysaccharide/protein nanomultilayer coatings: construction, characterization and evaluation of their effect on 'Rocha' pear (Pyrus communis L.) shelf-life
No full textNanolayered coatings of κ-carrageenan, a polysaccharide with good gas barrier properties, and lysozyme, a protein with antimicrobial action, were in a first stage assembled on aminolysed/charged polyethylene terephthalate (PET) pieces, which acted as a support, by alternate five-layer deposition. This was performed to allow the characterization of the nanomultilayer system. PET aminolysis was confirmed by Fourier transform infrared spectroscopy and contact angle, and the subsequent layer adsorption on aminolysed PET surface was confirmed by absorbance, contact angle and SEM images. The water vapour permeability and the oxygen permeability (O2P) of the five layers were found to be 0.013 ± 0.003 × 10−11 and 0.1 ± 0.01 × 10−14 g m−1 s−1 Pa−1, respectively. The nanomultilayer system was subsequently applied (without PET support) directly on ‘Rocha’ (Pyrus communis L.) fresh-cut pears and whole pears. Uncoated fresh-cut pears and whole pears presented higher mass loss, higher total soluble solids (TSS) and lower titratable acidity when compared with coated fresh-cut pears and whole pears. Uncoated fresh-cut pears also presented a darker colour. These results showed that the nanolayered coating assembled on the fruits’ surface has a positive effect on fruit quality and contributed to extend the shelf-life.Author Bartolomeu G. de S. Medeiros was a recipient of a scholarship from the project Isac (Isac Mundus Cooperation, European Union) and is also a recipient of a scholarship from Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (Capes, Brazil). Author A. C. Pinheiro is recipient of a fellowship (SFRH/BD/48120/2008) from the Fundacao para a Ciencia e Tecnologia (FCT, Portugal)
Propagation of zero sound in liquid He3
No full textThe propagation of sound in liquid He3 was observed at a pressure
of 0.32 atm and at fre~quencies of 15.4 and 45.5 MHz down to a temperao
0 -3 0 . ture T* of 2m K (1m K = 10 K) on the temperature scale va11d for
the Curie-law magnetic susceptibility of powdered cerium magnesium
nitrate in the form of a right circular cylinder with diameter equal
to height. The results of the measurements have been published by the
author, A. C. Anderson, and J. C. Wheatley. * As the temperature was
increased, the sound attenuation increased, went through a max.imum,
and then decreased. At low temperatures, the attenuation was proportional
to T~,(2 but independent of frequency, and at higher temperatures
it was proportional to W
2/T*2, where w is the angular frequency of the
sound. The temperature at which max.imum attenuation occurred was
o 0 11.3m K for the frequency of 15.4 MHz and was 19.3m K for 45.5 MHz.
The velocity of the sound was found to be relatively temperature
independent at high and low temperatures but near the attenuation
maximum the velocity changed by 3.5 ± 0.3 percent. The results of the
measurements are predicted by the Landau theory of a Fermi liquid,
the velocity change and the temperature dependence of the attenuation
coefficient at low temperatures being explained by the propagation of
a new mode of sound, called zero sound. The velocity change is in
quantitative agreement with the theory. The attenuation of zero
sound is about 35% larger than that predicted by theory, but could
be explained by a shorter collision time between quasiparticles in
the zero sound regime, The frequency and temperature dependence of
the attenuation coefficient at higher temperatures are those predicted
for ordinary hydrodynamic sound.Submitted by Carolyn Mead ([email protected]) on 2011-05-20T15:51:27Z
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Environmental impacts of corn silage production: influence of wheat residues under contrasting tillage management types
No full textAcknowledgements The authors gratefully acknowledge the
financial support provided by Iran National Science Foundation
(INSF). Funding for open access charge: Universidad de Granada
/ CBUA.Funding Funding for open access charge: Universidad de
Granada / CBUA. This study received financial support provided
by the Iran National Science Foundation (INSF).Data Availability The data that support the findings of this
study are available from the corresponding author, (A. C. C.),
upon reasonable request.The intensification of specific land management operations (tillage, herbicide, etc.) is increasing land degradation and contributing to ecosystem pollution. Mulches can be a sustainable tool to counter these processes. This is particularly relevant for rural areas in low-income countries where agriculture is a vital sector. In this research, the environmental impact of different rates of wheat residues (no residues, 25, 50, 75, and 100%) in corn silage cultivation was evaluated using the life cycle assessment (LCA) method under conventional tillage (CT) and no-tillage (NT) systems in a semi-arid region in Karaj, Iran. Results showed that in both tillage systems, marine aquatic ecotoxicity (ME) and global warming potential (GWP) had the highest levels of pollution among the environmental impact indicators. In CT systems, the minimum (17,730.70 kg 1,4-dichlorobenzene (DB) eq.) and maximum (33,683.97 kg 1,4-DB eq.) amounts of ME were related to 0 and 100% wheat residue rates, respectively. Also, in the CT system, 0 and 100% wheat residue rates resulted in minimum (176.72 kg CO2 eq.) and maximum (324.95 kg CO2 eq.) amounts of GWP, respectively. However, in the NT system, the 100% wheat residue rate showed the minimum amounts of ME (11,442.39 kg 1,4-DB eq.) and GWP (120.21 kg CO2 eq.). Also, in the NT system, maximum amounts of ME (17,174 kg 1,4-DB eq.) and GWP (175.60 kg CO2 eq.) were observed with a zero wheat residue rate. On-farm emissions and nitrogen fertilizers were the two factors with the highest contribution to the degradation related to environmental parameters at all rates of wheat residues. Moreover, in the CT system, the number of environmental pollutants increased with the addition of a higher wheat residue rate, while in the NT system, increasing residue rates decreased the amount of environmental pollutants. In conclusion, this LCA demonstrates that the NT system with the full retention of wheat residues (100%) is a more environmentally sustainable practice for corn silage production. Therefore, it may be considered one of the most adequate management strategies in this region and similar semi-arid conditions. Further long-term research and considering more environmental impact categories are required to assess the real potential of crop residues and tillage management for sustainable corn silage production.Funding for open access charge: Universidad de
Granada/CBUAIran National Science Foundation (INSF
