5,176 research outputs found
IP Wales Papers
No full textA. Beale, “Intellectual Property is a tool for Economic Development in Wales” WIPO – WTO Colloquium, papers 2010 A. Beale and D.Blackaby and L.Mainwaring, “University Patenting in Wales, Scotland and Northern Ireland: a Comparative Analysis”, (2008), Volume 62 Higher Education Quarterly J. Allan and A. Beale, "Patent & Trade Mark Statistics for Wales", (2005), Issue 1 Wales Journal of Law and Policy A. Beale and A. George, "IP Wales: A Web Based Project", (2001), Issue 1 Wales Journal of Law and Policy A. Beale, M. Clement, I. Davies, "Intellectual Property Activity in Wales: A Report on the Support for Innovative SMEs Project", (2001), Issue 1 Wales Journal of Law and Polic
Father Andrew Mullen 1790-1818: a study in early nineteenth century spirituality
No full textThis thesis is laid out in three parts: Part I. The life and death of Andrew Mullen. The life is based, to a large extent, on a long letter to his mother, Catherine Mullen, dated 7 January 1810. The letter gives a definite insight into his spirituality based on his membership of the Archconfraternity of the Blessed Sacrament. There is a hint that he had a premonition of an early death. Part II. The burial of Andrew Mullen and the immediate cult to him This is based on documentary evidence. Part III. Most of this part is a catalogue of testimonies taken from 1993 onwards. Then there is the conclusion on the popular devotion to Andrew Mullen stressing the theological aspect of the subject. In the course of writing the thesis it was decided to separate the documentary evidence from the oral tradition. This was advantageous in developing the thesis, and the documents provided a secure basis for the oral tradition. Two pieces of information were found in March 1997. They are death notices: 2 January 1819, The Leinster Journal and 7 January 1819, The Car low Morning Post. There is a slight discrepancy between the two on the date of his death. Also this discrepancy shows a slight difference from the date of the tombstone
Dispelling the Myths Behind First-author Citation Counts
No full textWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
A detailed characterization study of Ni/CeO2 catalysts identifies Ni availability as the primary factor affecting CO2 methanation performance
No full textThe structure of a catalyst has a strong impact on its performance. Here we investigate the physicochemical properties of Ni/CeO2 in an attempt to draw structure–activity relationships for CO2 methanation. A combination of characterisation methods (X-ray diffraction (XRD), 4D Scanning Transmission Electron Microscopy (4D-STEM), CO chemisorption and oxygen storage capacity study etc.) clearly demonstrates the effect of Ni crystallite size, Ni availability (i.e. catalytically accessible Ni) and oxygen vacancies at the Ni-CeO2 interface in Ni/CeO2 during CO2 methanation. Among them, the role of exposed Ni active sites is highlighted, and two possible optimisation schemes i.e. changing the support calcination temperature and the final calcination atmosphere are proposed to obtain a better dispersal of Ni NPs (nanoparticles) on CeO2. Both modification methods do not affect the reaction route, and the activity differences of Ni/CeO2 can be explained by the various hydrogenation rate of formate species, as confirmed by in situ diffuse-reflectance infrared Fourier-transform spectroscopy (DRIFTS) measurements
The Grouped Author-Topic Model for Unsupervised Entity Resolution
No full textThis paper describes a generative approach for tackling the problem of identity resolution in a completely unsupervised context with no fixed assumption regarding the true number of identities. The problem of entity resolution involves associating different references to authors (in a paper's author list, for example) with real underlying identities. The references may be written in differing forms or may have errors, and identical references may refer to different real identities. The approach taken here uses a generative model of both the abstract of a document and its list of authors to resolve identities in a corpus of documents. In the model, authors and topics are associated with latent groups. For each document, an abstract and an author list are generated conditioned on a given group. Results are presented on real-world datasets, and outperform the best performing unsupervised methods.</p
A Third Order Numerical Method for Doubly Periodic Electromegnetic Scattering
No full textWe here developed a third-order accurate numerical method for scattering of 3D electromagnetic waves by doubly periodic structures. The method is an intuitively simple numerical scheme based on a boundary integral formulation. It involves smoothing the singular Green's functions in the integrands and finding correction terms to
the resulting smooth integrals. The analytical method is based on the singular integral methods of J. Thomas Beale, while the scattering problem is motivated by the 2D work of Stephanos Venakides, Mansoor Haider, and Stephen Shipman. The 3D problem was done with boundary element methods by Andrew Barnes. We present a method that is both more straightforward and more accurate. In solving these problems, we have used the M\"{u}ller integral equation formulation of Maxwell's equations, since it is a Fredholm integral equation of the second kind and is well-posed. M\"{u}ller derived his equations for the case of a compact scatterer. We outline the derivation and adapt it to a periodic scatterer. The periodic Green's functions found in the integral equation contain singularities which make it difficult to evaluate them numerically with accuracy. These functions are also very time consuming to evaluate numerically. We use Ewald splitting to represent these functions in a way that can be computed rapidly.We present a method of smoothing the singularity of the Green's function while maintaining its periodicity. We do local analysis of the singularity in order to identify and eliminate the largest sources of error introduced by this smoothing. We prove that with our derived correction terms, we can replace the singular integrals with smooth integrals and only introduce a error that is third order in the grid spacing size. The derivation of the correction terms involves transforming to principal directions using concepts from differential geometry. The correction terms are necessarily invariant under this transformation and depend on geometric properties of the scatterer such as the mean curvature and the differential of the Gauss map. Able to evaluate the integrals to a higher order, we implement a \mbox{GMRES} algorithm to approximate solutions of the integral equation. From these solutions, M\"{u}ller's equations allow us to compute the scattered fields and transmission coefficients. We have also developed acceleration techniques that allow for more efficient computation.We provide results for various scatterers, including a test case for which exact solutions are known. The implemented method does indeed converge with third order accuracy. We present results for which the method successfully resolves Wood's anomaly resonances in transmission
μ-CT Investigation into the Impact of a Fuel-Borne Catalyst Additive on the Filtration Efficiency and Backpressure of Gasoline Particulate Filters
No full textAn investigation into the pre-ashing of new gasoline particulate filters (GPFs) has demonstrated that the filtration efficiency of such filters can be improved by up to 30% (absolute efficiency improvement) when preconditioned using ash derived from a fuel-borne catalyst (FBC) additive. The additive is typically used in diesel applications to enable diesel particulate filter (DPF) regeneration and can be added directly into the fuel tank of the vehicle. This novel result was compared with ash derived from lube oil componentry, which has previously been shown to improve filtration efficiency in GPFs. The lube oil-derived ash utilized in this work improved the filtration efficiency of the GPF by approximately 30%, comparable to the ash derived from the FBC additive. The undesirable impact of the ash deposit on backpressure increases was also investigated, and it was established that the use of the FBC additive resulted in a lower backpressure increase versus the equivalent ash loading from lube oil components. Following the real-world vehicle testing and GPF evaluation, the used, intact filters were further analyzed, using micro-focus computed tomography (μ-CT) to assess the ash distribution within the filters. It was established that the FBC-derived ash was predominantly deposited near the outlet plug region of the filter, whereas the lube oil-derived ash was also distributed within the channel walls, which resulted in a higher GPF backpressure. The μ-CT results were therefore key to establishing the differences between these two ash-providing sources and enabled a better understanding of the effect of filter microstructure on macroscopic performance, i.e., GPF efficiency and backpressure results.</p
Scalar soliton quantization with generic moduli
No full textThis article is distributed under the terms of the Creative Commons
Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in
any medium, provided the original author(s) and source are credArticle funded by SCOAP3. CP is
a Royal Society Research Fellow and partly supported by the U.S. Department of Energy
under grants DOE-SC0010008, DOE-ARRA-SC0003883 and DOE-DE-SC0007897. ABR
is supported by the Mitchell Family Foundation. We would like to thank the Mitchell
Institute at Texas A&M and the NHETC at Rutgers University respectively for hospitality
during the course of this work. We would also like to acknowledge the Aspen Center
for Physics and NSF grant 1066293 for a stimulating research environment which led to
questions addressed in this paper
Engineering semiconductor quantum dots for quantitative imaging of cell motility and invasion
No full textQuantum dots (QDs) are photo-luminescent nanocrystals that possess unique optical properties such as a narrow emission range and high photo-stability, which makes them useful for a variety of biological imaging applications. In this study, QDs presenting different chemical moieties were used to quantify non-specific binding to different extracellular matrix (ECM) proteins. QDs coated with poly-maleic anhydride (PMA), which had been modified to present alkane, alkene, alkyne, PEG and carboxylic acid, carboxylic acid, and solely PEG, were incubated on poly-l-lysine, collagen, fibronectin, and gelatin coated glass coverslips. Based upon the emission intensity normalized by the quantum yield (QY), the binding of the QDs were directly compared. The QD coated substrates exhibited photoluminescent enhancement (PLE) resulting in an increased emission intensity when excited over time. Based upon this increase, a more accurate QY was calculated, allowing for proper comparison between the QDs. Different ECM proteins possessed different binding affinities to different chemical moieties. Poly-L-lysine was shown to bind well to PEG/carboxylic acid particles, but paradoxically, not as well to carboxylic acid. Collagen exhibited an affinity to the alkyne coated particles. Fibronectin showed high binding to PEG/carboxylic acid QDs, but also bound well to the alkane, alkene, and alkyne. Gelatin, like fibronectin, also showed affinity to most of the particles. Due to differences in the QY and PLE, the QDs that bound the most to each protein did not produce the most uniform and brightest substrates.
MDA-MB-231 human breast cancer cells were then seeded on gelatin substrates coated with the QDs for 24 hours. Evidence of uptake and degradation of the matrix was observed, but could not be quantified using wide-field fluorescent microscopy. As a result, confocal images were required to properly characterize the degradation.Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2017-12-01The student, Andrew Zhao, accepted the attached license on 2015-12-11 at 12:16.The student, Andrew Zhao, submitted this Thesis for approval on 2015-12-11 at 12:19.This Thesis was approved for publication on 2015-12-11 at 13:52.DSpace SAF Submission Ingestion Package generated from Vireo submission #9016 on 2016-03-02 at 14:07:55Made available in DSpace on 2016-03-02T20:24:20Z (GMT). No. of bitstreams: 2
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Household accessibility to heat refuges: Residential air conditioning, public cooled space, and walkability.
No full textabstract: Access to air conditioned space is critical for protecting urban populations from the adverse effects of heat exposure. Yet there remains fairly limited knowledge of the penetration of private (home air conditioning) and distribution of public (cooling centers and commercial space) cooled space across cities. Furthermore, the deployment of government-sponsored cooling centers is likely to be inadequately informed with respect to the location of existing cooling resources (residential air conditioning and air conditioned public space), raising questions of the equitability of access to heat refuges. We explore the distribution of private and public cooling resources and access inequities at the household level in two major US urban areas: Los Angeles County, California and Maricopa County, Arizona (whose county seat is Phoenix). We evaluate the presence of in-home air conditioning and develop a walking-based accessibility measure to air conditioned public space using a combined cumulative opportunities-gravity approach. We find significant variations in the distribution of residential air conditioning across both regions which are largely attributable to building age and inter/intra-regional climate differences. There are also regional disparities in walkable access to public cooled space. At average walking speeds, we find that official cooling centers are only accessible to a small fraction of households (3% in Los Angeles, 2% in Maricopa) while a significantly higher number of households (80% in Los Angeles, 39% in Maricopa) have access to at least one other type of public cooling resource such as a library or commercial establishment. Aggregated to a neighborhood level, we find that there are areas within each region where access to cooled space (either public or private) is limited which may increase heat-related health risks.Corresponding Author:
Andrew M. Fraser
Arizona State University
[email protected]
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