cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Time-reversal formalism applied to maximal bipartite entanglement: Theoretical and experimental exploration
Creators: name: Laforest, M.
name: Baugh, J.
name: Laflamme, R.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Within the context of quantum teleportation, a proposed intuitive model to explain bipartite entanglement describes the scheme as being the same qubit of information evolving along and against the flow of time of an external observer. We investigate the physicality of such a model by applying the time-reversal of the Schrodinger equation in the teleportation context. To do so, we first lay down the theory of time-reversal applied to the circuit model and then show that the outcome of a teleportation-like circuit is consistent with the usual tensor product treatment, thus independent of the physical quantum system used to encode the information. Finally, we demonstrate a proof of principle experiment on a liquid state NMR quantum information processor. The experimental results are consistent with the interpretation that information can be seen as flowing backward in time through entanglement.
description: 10 pages, 16 figures, changed the approach in the theory section. Rewrote some sections for clarity
Systematic Characterization of Hydrophilized Polydimethylsiloxane
Creators: name: O'Brien, Daniel J.
name: Sedlack, Andrew J. H.
name: Bhatia, Pia
name: Jensen, Christopher J.
name: Quintana, Alberto
name: Paranjape, Makarand
Publisher: name: arXiv
Year: 2020
Subjects: subject: Applied Physics (physics.app-ph)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Flexible microfluidics have found extensive utility in the biological and biomedical fields. A leading substrate material for compliant devices is polydimethylsiloxane (PDMS). Despite its many advantages, PDMS is inherently hydrophobic and consequently its use in passive (pumpless) microfluidics becomes problematic. To this end, many physical and chemical modifications have been introduced to render PDMS hydrophilic, ranging from amphiphilic molecule additions to surface plasma treatments. However, when transitioning from lab benchtop to realized medical devices, these modifications must exhibit long-term stability. Unfortunately, these modifications are often presented but their mechanisms and long-term stability are not studied in detail. We have investigated an array of PDMS modifications, utilizing contact angle goniometry to study surface energy over a 30-day evolution study. Samples were stored in air and water, and Fourier Transform Infrared-Attenuated Total Reflectance (FTIR-ATR) analysis was used to confirm surface functional group uniformity. We have identified preferred modification techniques for long-lasting PDMS devices and characterized often overlooked material stability.
description: 9 pages, 5 figures. Accepted by Journal of Microelectromechanical Systems
Training OER material made available under a permissive CC-by licence (D6.4)
Creators: name: Valcke, Sophie
name: Kunkel, Julian
name: Osuna, Carlos
name: Barton Sawyer, William
name: Elia, Donatello
name: Madonna, Alberto
Publisher: name: Zenodo
Year: 2021
Subjects: ESiWACE2

description: ESiWACE2 WP6 offers the following trainings on pre-exascale HPC software engineering, methods and tools applied to the domain of weather and climate modelling: I/O, DSL, C++, code coupling, data analytics and containerisation. Two summer schools, including presentations and hands-on on these trainings, were also organised in August 2020 and 2021. For all trainings, online digital media was created as Open Educational Resources (OER) material (https: //www.oercommons.org). This material is available under permissive licences and can be used to get a general knowledge on these HPC subjects. The OER material produced for each training is presented here.
Fourier synthesis of optical potentials for atomic quantum gases
Creators: name: Ritt, Gunnar
name: Geckeler, Carsten
name: Salger, Tobias
name: Cennini, Giovanni
name: Weitz, Martin
Publisher: name: arXiv
Year: 2005
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: We demonstrate a scheme for the Fourier synthesis of periodic optical potentials with asymmetric unit cells for atoms. In a proof of principle experiment, an atomic Bose-Einstein condensate is exposed to either symmetric or sawtooth-like asymmetric potentials by superimposing a conventional standing wave potential of $λ/2$ spatial periodicity with a fourth-order lattice potential of $λ/4$ periodicity. The high periodicity lattice is realized using dispersive properties of multiphoton Raman transitions. Future applications of the demonstrated scheme could range from the search for novel quantum phases in unconventionally shaped lattice potentials up to dissipationless atomic quantum ratchets.
description: 4 figures
Comparison of photon colliders based on e-e- and e+e- beams
Creators: name: Telnov, V. I.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: At photon colliders gamma-gamma, gamma-electron high energy photons are produced by Compton scattering of laser light off the high energy electrons (or positrons) at a linear collider. At first sight, photon colliders based on e-e- or e+e- primary beams have similar properties and therefore for convenience one can use e+e- beams both for e+e- and gamma-gamma modes of operation. Below we compare these options and show that e-e- beams are much better (mandatory) because in the e+e- case low energy background gamma-gamma to hadrons is much higher and e+e- annihilation reactions present a very serious background for gamma-gamma processes.
description: Talk at 2005 International Linear Collider Workshop, Stanford Ca (LCWS05) 4 pages, LaTeX, 1 eps figures, PSN code 0506
THE SUPERMARKET - FRIEND OR FOE OF THE COMMUNITY
Creators: name: Tanaka, Joseph K.
name: Tanaka, Joseph K.
Publisher: name: Unknown
Year: 1970
Subjects: subject: Community/Rural/Urban Development
subject: Marketing
subject: FOS: Economics and business

description: Creates awareness of the "total supermarket" and its effect on the environment. Also suggests future changes to make the supermarket a better neighbor.
Chemical Reaction Dynamics within Anisotropic Solvents in Time-Dependent Fields
Creators: name: Hershkovits, Eli
name: Hernandez, Rigoberto
Publisher: name: arXiv
Year: 2005
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The dynamics of low-dimensional Brownian particles coupled to time-dependent driven anisotropic heavy particles (mesogens) in a uniform bath (solvent) have been described through the use of a variant of the stochastic Langevin equation. The rotational motion of the mesogens is assumed to follow the motion of an external driving field in the linear response limit. Reaction dynamics have also been probed using a two-state model for the Brownian particles. Analytical expressions for diffusion and reaction rates have been developed and are found to be in good agreement with numerical calculations. When the external field driving the mesogens is held at constant rotational frequency, the model for reaction dynamics predicts that the applied field frequency can be used to control the product composition.
description: 13 pages, 5 figures
Kinetics of non-ionic surfactant adsorption at a fluid-fluid interface from a micellar solution
Creators: name: Mohrbach, Herve
Publisher: name: arXiv
Year: 2005
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: The kinetics of non-ionic surfactant adsorption at a fluid-fluid interface from a micellar solution is considered theoretically. Our model takes into account the effect of micelle relaxation on the diffusion of the free surfactant molecules. It is shown that non-ionic surfactants undergo either a diffusion or a kinetically limited adsorption according to the characteristic relaxation time of the micelles. This gives a new interpretation for the observed dynamical surface tension of micellar solutions.
description: 4 pages
Corrections to the energy levels of a spin-zero particle bound in a strong field
Creators: name: Lee, R. N.
name: Milstein, A. I.
name: Karshenboim, S. G.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: Formulas for the corrections to the energy levels and wave functions of a spin-zero particle bound in a strong field are derived. General case of the sum of a Lorentz-scalar potential and zero component of a Lorentz-vector potential is considered. The forms of the corrections differ essentially from those for spin-1/2 particles. As an example of application of our results, we evaluated the electric polarizability of a ground state of a spin-zero particle bound in a strong Coulomb field.
description: 7 pages, 1 figure
Evaluating Cyclists’ Route Preferences with Respect to Infrastructure
Creators: name: Hardinghaus, Michael
name: Papantoniou, Panagiotis
Publisher: name: Humboldt-Universität zu Berlin
Year: 2020
Subjects: subject: sustainable transport
subject: active mobility
subject: cycling
subject: bike infrastructure
subject: route choice survey
subject: discrete choice experiment
subject: route environment
subject: 333.7 Natürliche Resourcen, Energie und Umwelt

description: Providing a sufficiently appropriate route environment is crucial to ensuring fair andsafe biking, thus encouraging cycling as a sustainable mode of transport. At the same time,better understanding of cyclists’ preferences regarding the features of their routes and theirinfrastructure requirements is fundamental to evaluating improvement of the current infrastructureor the development of new infrastructure. The present study has two objectives. The first is toinvestigate cyclists’ route preferences by means of a choice experiment based on a stated preferencesurvey. Subsequently, the second objective is to compare cyclist preferences in two countries withdifferent cycling characteristics (both in infrastructure as well as cyclists’ behavior). For this purpose,a graphical online stated preferences survey was conducted in Greece and Germany. Within theframework of statistical analyses, multinomial mixed logit discrete choice models were developedthat allow us to quantify the trade-offs of interest, while distinguishing between the preferences ofdifferent user groups. In addition, user requirements in Greece, as a country with a low cycling shareand very little dedicated bike infrastructure, were compared to the requirements in Germany, wherecycling is popular and the infrastructure is well developed. The results over the whole sample indicatethat subgroups value infrastructure differently according to their specific needs. When looking atcountry specifics, users from Greece are significantly more willing to accept longer travel times inreturn for higher-quality facilities. The utility of low speed limits in mixed traffic is also different. InGermany, low speed limits offset the disturbance caused by motorized traffic, but in Greece they donot. Consequently, the results help to asses which types of infrastructure are most sustainable from auser perspective and help to set priorities when the aim is to adapt the road infrastructure efficientlyin a stable strategy.
A comparative study of numerical and analytical methods to predict the tensile behaviour of plane-parallel laminate and tiled laminate
Creators: name: Zhang, Yichen
name: De Corte, Wouter
name: Van Paepegem, Wim
Publisher: name: Zenodo
Year: 2023

description: While classical laminate theory (CLT) extensively interprets the elastic mechanical behaviour of traditional composite laminates, there exists a knowledge gap to provide a reasonable prediction of the nonlinear mechanical behaviour beyond the elastic phase. To address this issue, researchers have proposed a straightforward analytical approach for predicting all potential damage modes of Unidirectional (UD) hybrid composites and their stress-strain responses under tensile loading. However, an analytical model for a single-material laminate with different in-plane ply angles has not been introduced to date. By utilizing the aforementioned analytical model, the mechanical performance of a single-material laminate with multiple lay-up angles is predicted and compared with a numerical solution, revealing a close agreement between the two. This suggests that the existing analytical model remains applicable for predicting the mechanical behaviour of single-material laminate in tensile loading, even when multiple lay-up ply angles are involved. Furthermore, developing upon this analytical approach, a novel analytical model has been proposed for predicting the tensile behaviour of Tiled Laminates (TL), with its results also aligning favourably with numerical outcomes. This analytical approach offers a rapid means of forecasting the tensile mechanical properties of Plane-Parallel (PP) laminate and Tiled Laminate (TL), thus establishing a meaningful tool for composite material design.Keywords: Composite, Tiled Laminate (TL), Plane-Parallel (PP), Tensile behaviour, Analytical method, Numerical simulation.
Novel Endocranial Data on the Early Therocephalian Lycosuchus vanderrieti Underpin High Character Variability in Early Theriodont Evolution
Creators: name: Pusch, Luisa C.
name: Ponstein, Jasper
name: Kammerer, Christian
name: Fröbisch, Jörg
Publisher: name: Humboldt-Universität zu Berlin
Year: 2020
Subjects: subject: therapsida
subject: computed tomography
subject: endocranial anatomy
subject: maxillary canal
subject: bony labyrinth
subject: mosaic evolution
subject: mandible
subject: 570 Biowissenschaften; Biologie
subject: 333.7 Natürliche Resourcen, Energie und Umwelt

description: Therocephalia is one of the major therapsid clades and ranges from the middle Permian to Middle Triassic. The earliest therocephalians were large-bodied predators whose fossils are common in middle Permian rocks of South Africa, but have received little study. Here we present a redescription of the skull of the early therocephalian Lycosuchus based on a specimen from the middle Permian Tapinocephalus Assemblage Zone of the South African Karoo Basin. By using a computed tomographic (CT) reconstruction of this specimen, we describe for the first time several endocranial characters of this taxon including a highly ramified maxillary canal and the inner ear, which is characterized by a lengthened lateral semicircular canal, a feature previously only known from the anomodont Kawingasaurus among non-mammalian therapsids, and the presence of a cochlear recess, so far only known within Therocephalia from the highly specialized Triassic taxon Microgomphodon. We also provide new insights into patterns of tooth replacement in lycosuchids, which have proven controversial for this taxon. Craniodental characters generally support the placement of Lycosuchus as the most basal taxon in therocephalian phylogeny. The morphology of the maxillary canal and inner ear reveal a mosaic of features indicating a complex history of character acquisition and loss in Therocephalia, comparable to that of cynodonts.
Tables S1-S5 and Figures S1-S2 from Neuron loss associated with age but not Alzheimer's disease pathology in the chimpanzee brain
Creators: name: Edler, Melissa K.
name: Munger, Emily L.
name: Meindl, Richard S.
name: Hopkins, William D.
name: Ely, John J.
name: Erwin, Joseph M.
name: Mufson, Elliott J.
name: Hof, Patrick R.
name: Sherwood, Chet C.
name: Raghanti, Mary Ann
Publisher: name: The Royal Society
Year: 2020
Subjects: Neuroscience

description: Study subject and health information, average neuron and glia densities by region, breakdown of glial subtypes, correlations of age and cell densities by region
OILSEED PROTEINS - PRESENT UTILIZATION PATTERNS
Creators: name: Wilding, M. Dean
name: Wilding, M. Dean
Publisher: name: Unknown
Year: 1970
Subjects: Food Consumption/Nutrition/Food Safety

description: Emphasizes the importance of soybeans as a source of protein in the human diet. Provides examples of soy-protein products on the market today and speculates as to their future.
Scale symmetry in classical and quantum mechanics
Creators: name: Gozzi, E.
name: Mauro, D.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Quantum Physics (quant-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In this paper we address again the issue of the scale anomaly in quantum mechanical models with inverse square potential. In particular we examine the interplay between the classical and quantum aspects of the system using in both cases an operatorial approach.
description: 11 pages, Latex
Интернет и проблема воспитания подростков
Creators: name: Zayniddin Sanakulov
name: Рахим Ходжиев
Publisher: name: figshare
Year: 2020
Subjects: subject: 200199 Communication and Media Studies not elsewhere classified
subject: FOS: Media and communications

description: Задача данной статьи проследить влияние Всемирной глобальной компьютерной сети Интернет на миро­воззрение подростков. В статье исследуются пути вовлечения и зависимости молодежи влиянию различныхинтернет-сайтов, а также изучаются возможные пути избавления от интернет зависимости и эмоционально-нравственного развития.
Computing observables without eigenstates: applications to Bloch Hamiltonians
Creators: name: Pozo, Oscar
name: de Juan, Fernando
Publisher: name: arXiv
Year: 2020
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: Calculating the observables of a Hamiltonian requires taking matrix elements of operators in the eigenstate basis. Since eigenstates are only defined up to arbitrary phases that depend on Hamiltonian parameters, analytical expressions for observables are often difficult to simplify. In this work, we show how for small Hilbert space dimension N all observables can be expressed in terms of the Hamiltonian and its eigenvalues using the properties of the SU(N) algebra, and we derive explicit expressions for N=2,3,4. Then we present multiple applications specializing to the case of Bloch electrons in crystals, including the computation of Berry curvature, quantum metric and orbital moment, as well as a more complex observable in non-linear response, the linear photogalvanic effect (LPGE). As a physical example we consider multiband Hamiltonians with nodal degeneracies to show first how constraints between these observables are relaxed when going from two to three-band models, and second how quadratic dispersion can lead to constant LPGE at small frequencies.
description: 8 pages, 2 figures and appendix
Theory of a single-atom laser including light forces
Creators: name: Salzburger, Thomas
name: Domokos, Peter
name: Ritsch, Helmut
Publisher: name: arXiv
Year: 2005
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We study a single incoherently pumped atom moving within an optical high-Q resonator in the strong coupling regime. Using a semiclassical description for the atom and field dynamics, we derive a closed system of differential equations to describe this coupled atom-field dynamics. For sufficiently strong pumping the system starts lasing when the atom gets close to a field antinode, and the associated light forces provide for self-trapping of the atom. For a cavity mode blue detuned with respect to the atomic transition frequency this is combined with cavity induced motional cooling allowing for long term steady-state operation of such a laser. The analytical results for temperature and field statistics agree well with our earlier predictions based on Quantum Monte Carlo simulations. We find sub-Doppler temperatures that decrease with gain and coupling strength and can even go beyond the limit of passive cavity cooling. Besides demonstrating the importance of light forces in single-atom lasers, this result also gives strong evidence to enhance laser cooling through stimulated emission in resonators.
description: 10 pages, 6 figures
Genetically Modified Grain Corn and Soybeans in Quebec and Ontario in 2000 and 2001
Creators: name: Hategekimana, Bernard
name: Hategekimana, Bernard
Publisher: name: Unknown
Year: 2002
Subjects: Crop Production/Industries

description: This report focuses on the changes in the area of genetically modified (GM) grain corn and soybeans, comparing the year 2001 with 2000. In the 2001 growing season, total GM area increased significantly for both GM grain corn and soybean crops in Quebec and Ontario. The number of large farms seeding GM crops rose considerably, while the number of small- and medium-sized farms growing GM crops was quite unchanged. The increase in GM soybean area was higher than that of GM grain corn. Farms growing both corn and soybeans made the biggest contribution to the increase. The increase appears to be a consequence of both higher average area of GM crops grown per farm by farmers who grew GM crops in 2000 and, to a lesser extent, the adoption of GM technology by new farmers. Most of the increased GM area was in Quebec, where the area seeded to GM grain corn rose 30.3% and to soybeans, 63.0%. In Ontario, the increase was 11.3% for grain corn and 25.4% for soybeans. In both provinces, the greater GM area for soybeans was more than double the increase in GM area for grain corn. In Quebec and in Ontario, the proportion of GM grain corn and soybean area to total grain corn and soybean area has increased significantly. In Quebec, GM area accounted for 31% of grain corn area and 27% of soybean area in 2001 compared to 27% and 17% respectively in 2000. In Ontario, the proportions were 29% for grain corn and 23% for soybean in 2001 compared to 27% and 17% respectively in 2000. In 2001, the proportion of large farms (total operated area greater than 980 acres) reporting GM grain corn or soybeans increased more than any other farm size category. This was especially apparent in Quebec. However, the small farm category, which accounted for the largest proportion of GM area in 2000, saw its share drop significantly in 2001. Statistics Canada's November Farm Survey data shows that yields for GM soybeans and grain corn have been better than yields for non-GM crops, and that growing GM grain corn and soybeans appears to have improved the average yield for both crops.
145. Spectroscopic binaries
Creators: name: Perryman, Michael
Publisher: name: Zenodo
Year: 2023

description: Included in the DR3 data release are some 180,000 single-lined spectroscopic binaries, a colossal increase in numbers enabling the study of many aspects of short-period binaries. I look here at some new insights into orbit circularisation, where the Gaia data point to the process operating most efficiently in the pre-main sequence evolutionary phase.
Signature of Energy Losses on the Cosmic Ray Electron Spectrum
Creators: name: Evoli, Carmelo
name: Blasi, Pasquale
name: Amato, Elena
name: Aloisio, Roberto
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We show that the fine structure of the electron spectrum in cosmic rays, especially the excess claimed by AMS-02 at energies $\sim$42 GeV, is fully accounted for in terms of inverse Compton losses in the photon background dominated by ultraviolet, infrared and CMB photons, plus the standard synchrotron losses in the Galactic magnetic field. The transition to the Klein-Nishina regime on the ultraviolet background causes the feature. Hence, contrary to previous statements, observations do not require the overlap of different components. We stress that the feature observed by AMS-02 at energies $\sim$42 GeV is not related to the positron excess, which instead requires the existence of positron sources, such as pulsars. Because energy losses are the physical explanation of this feature, we indirectly confirm that the transport of leptons in the Galaxy is loss-dominated down to energies of the order of tens of GeV. This finding imposes strong constraints on the feasibility of alternative theories of cosmic transport in which the grammage is accumulated in cocoons concentrated around sources, requiring that electrons and positrons become loss dominated only at very high energies.
description: 5 pages, 3 figures, minor updates in the text, fixed a typo in Eq. 4
Band Structure, Phonon Scattering and the Ultimate Performance of Single-Walled Carbon Nanotube Transistors
Creators: name: Zhou, Xinjian
name: Park, Ji-Yong
name: Huang, Shaoming
name: Liu, Jie
name: McEuen, Paul L.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Semiconducting single-walled carbon nanotubes are studied in the diffusive transport regime. The peak mobility is found to scale with the square of the nanotube diameter and inversely with temperature. The maximum conductance, corrected for the contacts, is linear in the diameter and inverse temperature. These results are in good agreement with theoretical predictions for acoustic phonon scattering in combination with the unusual band structure of nanotubes. These measurements set the upper bound for the performance of nanotube transistors operating in the diffusive regime.
Process simulation as a decision support tool for biopharmaceutical process development in a South African context
Creators: name: Collair, Wesley
name: Siew Tai
Publisher: name: University of Cape Town
Year: 2019
Subjects: subject: 90499 Chemical Engineering not elsewhere classified
subject: FOS: Chemical engineering

description: This research produced a series of computer simulation models which were used as a process analytical tool to support recommendations on which process development pathways should be followed for the development of a novel vaccine against Group B Streptococcus (GBS) disease.
The files in this item include simulation models produced using the software package Intelligen SuperPro Designer 9.5 Academic, as well as the resulting Microsoft Excel reports generated by the software.
An additonal Microsoft Excel file is included as the author's digital laboratory notebook.
Agricultural Statistics For Rural Development
Creators: name: Bollman, Ray D.
name: Bollman, Ray D.
Publisher: name: Unknown
Year: 2001
Subjects: Community/Rural/Urban Development

description: Agricultural statistics programs typically focus on the production and sale of agricultural products. Thus, only units with farming activities are "in scope". The farm population is declining relatively and absolutely in developed countries. Rural employment solutions will not come from agricultural development. Obtaining information for rural development via farm surveys will provide an increasingly narrow picture of rural society. Farm survey information will be most useful for rural analysis when it is presented in its rural context. Some on-farm and within-farm-household diversification will increase rural employment. This should be measured early to allow policy analysts to understand the type of unit that "adopts" such diversification strategies. Proposals to encourage these strategies will benefit from this key information. There is no special category of "rural statistics". The degree of rurality is a variable that should be included in all datasets. The challenge for a rural statistics program is to portray the data in each dataset in a rural-friendly fashion. If an agricultural statistics agency were to develop a program to present national data in rural-friendly way, an adjustment in thinking may be required for some staff. However, an agricultural statistics agency may be the only group with the interest to do the job.
Financial Characteristics of Acquired Firms in the Canadian Food Industry
Creators: name: Beaulieu, Martin S.
name: Beaulieu, Martin S.
Publisher: name: Unknown
Year: 2002
Subjects: Agribusiness

description: Mergers and acquisitions represent an important reallocation of resources. In 1998, the value of these transactions jumped to almost $160 billion in Canada. The motives for firms to merge or acquire other firms change for different periods and industries. This study provides a financial profile of Canadian corporations in the food industry that were acquired during the 1996-98 period. Overall, acquired firms did not represent a significant share of the total sales of incorporated Canadian food firms. Firms with balanced (or matched) growth-resources, less liquidity and leverage were more likely to be acquired in 1997 and 1998. Large firms with matched growth resources were also more likely to be taken over.
Comparison of coho salmon (Oncorhynchus kisutch) strains for bacterial disease resistance and activity of the non-specific immune system
Creators: name: Roome, Jennifer Robyn
Publisher: name: University of British Columbia
Year: 2009

description: Genetic variation in disease resistance was investigated in two coho salmon (Oncorhynchus kisutch) strains, previously demonstrated to have significant differences in survival after challenge with the marine fish pathogen Vibrio anguillarum, and their reciprocal strain crosses. V. anguillarum and the freshwater fish pathogen Aeromonas salmonicida were used in the disease challenges conducted by immersion, injection and cohabitation with infected cohorts. Kidney and gill lysozyme activity, white blood cell counts and hemoglobin concentration were determined following V. anguillarum immersion challenge of the pure strains and the strain-crosses. Overall, disease resistance among the strains after challenge with the two bacterial pathogens, by all methods of disease challenge, was not significantly different. Significant differences among the strains in non-specific immune parameters both before and after bacterial infection were described. As well, a significant treatment effect in lysozyme activity demonstrated that the bacterial challenges stimulated the non-specific immune system. No significant advantage to disease resistance against either vibriosis or furunculosis is likely to be gained by crossing the Quinsam River and Robertson Creek strains of coho salmon. Further, the inter-strain crosses did not appear to have an increased activity of the nonspecific immune system relative to the parent strains.
Table S2 from A novel duplex qPCR assay for stepwise detection of multiple Perkinsea protistan infections of amphibian tissues
Creators: name: Smilansky, Vanessa
name: Chambouvet, Aurelie
name: Reeves, Mari
name: Richards, Thomas A.
name: Milner, David S.
Publisher: name: The Royal Society
Year: 2021
Subjects: subject: Molecular Biology
subject: Ecology
subject: FOS: Biological sciences

description: Cq values for the Perkinsea PPC and NAG01a-c uniplex and duplex qPCR assays. Cq values per template dilution used to determine the efficiency and sensitivity of the NAG01 Perkinsea strain-specific qPCR assays in both uniplex and duplex conditions. Also presented are Cq values for PPC (KNA_DNA) and NAG01a+ (G2.13 and G8.1) DNA samples, extracted from tadpole livers. Grey highlights correspond to the linear dynamic ranges calculated for each assay. Dark grey highlights correspond to the upper and lower limits of detection calculated for each assay. “NA” in the Replicate columns indicates that the BioRad software was unable to calculate a Cq. An asterisk (*) in the ‘Replicate’ columns indicates that the regression method (as opposed to the default single threshold method) was used to determine Cq due to a high level of background noise. The regression method uses multiple data points to determine Cq and is therefore less sensitive to noise.
Human Capital and Rural Development: What Are the Linkages?
Creators: name: Bollman, Ray D.
name: Bollman, Ray D.
Publisher: name: Unknown
Year: 1999
Subjects: Community/Rural/Urban Development
Labor and Human Capital

description: Rural Canada is experiencing considerable "demographic pressure" as 1.76 rural persons are now looking for a job for each rural person retiring from the workforce. Rural Canada appears disadvantaged. Among OECD countries, Canada has the biggest urban-rural gap in the share of the workforce (aged 25 to 44) with university or college graduation. New jobs in the globalising economy require a high capacity to deal with disequilibria. Improving the human capital of the local workforce is essential to provide opportunities for the individuals in the workforce, regardless of where they will work. However, local economic development strategies should focus on more than human capital development to stimulate local job growth. We offer 4 measures of local community development. Our equations explain only 21 to 34 percent of the variability in these measures of local community development in the 1980s. Contrary to the research findings in the United States, the findings reported in this paper suggest that the human capital complement in Canada's communities did provide a positive (albeit weak) boost to job growth in the locality during the 1980s. Thus, what are the linkages between human capital and rural development? First, the literature suggests human capacity is largely developed by the nutrition and nurturing of children, specifically in the period of minus nine months to plus three years. Secondly, a higher human capacity in a community (as proxied by years of schooling) is weakly associated with a higher growth in community employment but is weakly associated with a lower growth in wages that appears to cause a weak association with lower aggregate community earnings. Investment in nutrition and nurturing of children is a key factor. A higher education level in a community provided only a weak employment boost during the 1980s.
Exocomets from a Solar System Perspective
Creators: name: Strøm, Paul A.
name: Bodewits, Dennis
name: Knight, Matthew M.
name: Kiefer, Flavien
name: Jones, Geraint H.
name: Kral, Quentin
name: Matrà, Luca
name: Bodman, Eva
name: Capria, Maria Teresa
name: Cleeves, Ilsedore
name: Fitzsimmons, Alan
name: Haghighipour, Nader
name: Harrison, John H. D.
name: Iglesias, Daniela
name: Kama, Mihkel
name: Linnartz, Harold
name: Majumdar, Liton
name: de Mooij, Ernst J. W.
name: Milam, Stefanie N.
name: Opitom, Cyrielle
name: Rebollido, Isabel
name: Rogers, Laura K.
name: Snodgrass, Colin
name: Sousa-Silva, Clara
name: Xu, Siyi
name: Lin, Zhong-Yi
name: Zieba, Sebastian
Publisher: name: arXiv
Year: 2020
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Exocomets are small bodies releasing gas and dust which orbit stars other than the Sun. Their existence was first inferred from the detection of variable absorption features in stellar spectra in the late 1980s using spectroscopy. More recently, they have been detected through photometric transits from space, and through far-IR/mm gas emission within debris disks. As (exo)comets are considered to contain the most pristine material accessible in stellar systems, they hold the potential to give us information about early stage formation and evolution conditions of extra Solar Systems. In the Solar System, comets carry the physical and chemical memory of the protoplanetary disk environment where they formed, providing relevant information on processes in the primordial solar nebula. The aim of this paper is to compare essential compositional properties between Solar System comets and exocomets. The paper aims to highlight commonalities and to discuss differences which may aid the communication between the involved research communities and perhaps also avoid misconceptions. Exocomets likely vary in their composition depending on their formation environment like Solar System comets do, and since exocomets are not resolved spatially, they pose a challenge when comparing them to high fidelity observations of Solar System comets. Observations of gas around main sequence stars, spectroscopic observations of "polluted" white dwarf atmospheres and spectroscopic observations of transiting exocomets suggest that exocomets may show compositional similarities with Solar System comets. The recent interstellar visitor 2I/Borisov showed gas, dust and nuclear properties similar to that of Solar System comets. This raises the tantalising prospect that observations of interstellar comets may help bridge the fields of exocomet and Solar System comets.
description: 25 pages, 3 figures. To be published in PASP. This paper is the product of a workshop at the Lorentz Centre in Leiden, the Netherlands
A two-step MaxLik-MaxEnt strategy to infer photon distribution from on/off measurement at low quantum efficiency
Creators: name: Rossi, Andrea R.
name: Paris, Matteo G. A.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: A method based on Maximum-Entropy (ME) principle to infer photon distribution from on/off measurements performed with few and low values of quantum efficiency is addressed. The method consists of two steps: at first some moments of the photon distribution are retrieved from on/off statistics using Maximum-Likelihood estimation, then ME principle is applied to infer the quantum state and, in turn, the photon distribution. Results from simulated experiments on coherent and number states are presented.
description: 4 figures, to appear in EPJD
On the Inference of Soft Biometrics from Typing Patterns Collected in a Multi-device Environment
Creators: name: Udandarao, Vishaal
name: Agrawal, Mohit
name: Kumar, Rajesh
name: Shah, Rajiv Ratn
Publisher: name: arXiv
Year: 2020
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Computers and Society (cs.CY)
subject: Human-Computer Interaction (cs.HC)
subject: FOS: Computer and information sciences
subject: I.3.6

description: In this paper, we study the inference of gender, major/minor (computer science, non-computer science), typing style, age, and height from the typing patterns collected from 117 individuals in a multi-device environment. The inference of the first three identifiers was considered as classification tasks, while the rest as regression tasks. For classification tasks, we benchmark the performance of six classical machine learning (ML) and four deep learning (DL) classifiers. On the other hand, for regression tasks, we evaluated three ML and four DL-based regressors. The overall experiment consisted of two text-entry (free and fixed) and four device (Desktop, Tablet, Phone, and Combined) configurations. The best arrangements achieved accuracies of 96.15%, 93.02%, and 87.80% for typing style, gender, and major/minor, respectively, and mean absolute errors of 1.77 years and 2.65 inches for age and height, respectively. The results are promising considering the variety of application scenarios that we have listed in this work.
description: The first two authors contributed equally. The code is available upon request. Please contact the last author
Equation of state description of the dark energy transition between quintessence and phantom regimes
Creators: name: Stefancic, Hrvoje
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The dark energy crossing of the cosmological constant boundary (the transition between the quintessence and phantom regimes) is described in terms of the implicitly defined dark energy equation of state. The generalizations of the models explicitly constructed to exhibit the crossing provide the insight into the cancellation mechanism which makes the transition possible.
description: 3 pages, talk given at TAUP2005
Rural and Small Town Population is Growing in the 1990s
Creators: name: Mendelson, Robert
name: Bollman, Ray D.
name: Mendelson, Robert
name: Bollman, Ray D.
Publisher: name: Unknown
Year: 1998
Subjects: Community/Rural/Urban Development

description: Rural and small town Canada continues to grow. Rural and small town growth rates vary widely among the provinces. Much of the growth within rural and small town areas is in the small towns. Sub-provincial data show wide regional differences within each province. The population in larger urban centres is growing faster. Thus, the share of Canada's population living in rural and small town areas has declined to 22 percent in 1996. Newfoundland is the only province with over 50 percent of its population living in rural and small town areas.
Wavelet Channel Attention Module with a Fusion Network for Single Image Deraining
Creators: name: Yang, Hao-Hsiang
name: Yang, Chao-Han Huck
name: Wang, Yu-Chiang Frank
Publisher: name: arXiv
Year: 2020
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Machine Learning (cs.LG)
subject: Neural and Evolutionary Computing (cs.NE)
subject: Image and Video Processing (eess.IV)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Single image deraining is a crucial problem because rain severely degenerates the visibility of images and affects the performance of computer vision tasks like outdoor surveillance systems and intelligent vehicles. In this paper, we propose the new convolutional neural network (CNN) called the wavelet channel attention module with a fusion network. Wavelet transform and the inverse wavelet transform are substituted for down-sampling and up-sampling so feature maps from the wavelet transform and convolutions contain different frequencies and scales. Furthermore, feature maps are integrated by channel attention. Our proposed network learns confidence maps of four sub-band images derived from the wavelet transform of the original images. Finally, the clear image can be well restored via the wavelet reconstruction and fusion of the low-frequency part and high-frequency parts. Several experimental results on synthetic and real images present that the proposed algorithm outperforms state-of-the-art methods.
description: Accepted to IEEE ICIP 2020
The effective action of type II Calabi-Yau orientifolds
Creators: name: Grimm, Thomas W.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: This article first reviews the calculation of the N = 1 effective action for generic type IIA and type IIB Calabi-Yau orientifolds in the presence of background fluxes by using a Kaluza-Klein reduction. The Kahler potential, the gauge kinetic functions and the flux-induced superpotential are determined in terms of geometrical data of the Calabi-Yau orientifold and the background fluxes. As a new result, it is shown that the chiral description directly relates to Hitchin's generalized geometry encoded by special odd and even forms on a threefold, whereas a dual formulation with several linear multiplets makes contact to the underlying N = 2 special geometry. In type IIB setups, the flux-potentials can be expressed in terms of superpotentials, D-terms and, generically, a massive linear multiplet. The type IIA superpotential depends on all geometric moduli of the theory. It is reviewed, how type IIA orientifolds arise as a special limit of M-theory compactified on specific G_2 manifolds by matching the effective actions. In a similar spirit type IIB orientifolds are shown to descend from F-theory on a specific class of Calabi-Yau fourfolds. In addition, mirror symmetry for Calabi-Yau orientifolds is briefly discussed and it is shown that the N = 1 chiral coordinates linearize the appropriate instanton actions.
description: 137 pages, Ph.D. Thesis (Advisor: Jan Louis), v2: references added
Table S1 from A novel duplex qPCR assay for stepwise detection of multiple Perkinsea protistan infections of amphibian tissues
Creators: name: Smilansky, Vanessa
name: Chambouvet, Aurelie
name: Reeves, Mari
name: Richards, Thomas A.
name: Milner, David S.
Publisher: name: The Royal Society
Year: 2021
Subjects: subject: Molecular Biology
subject: Ecology
subject: FOS: Biological sciences

description: Top 10 BLASTn hits of the Perkinsea PPC and NAG01a-c probes. Top 10 BLASTn hits of the (A) PPC_p1 probe and (B) NAG01_a-c probe against NCBI nr database (checked November 2020). The top hits were the corresponding PPC or NAG01a-c Perkinsus sequences (highlighted in grey), with the remaining hits showing a reduced query coverage/percentage identity
Participant Data from Ageing and physical function in East African foragers and pastoralists
Creators: name: M. Katherine Sayre
name: Pontzer, Herman
name: Alexander, Gene E.
name: Wood, Brian M.
name: Pike, Ivy L.
name: Audax Z.P. Mabulla
name: Raichlen, David A.
Publisher: name: The Royal Society
Year: 2020
Subjects: subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Health Care
subject: Diseases
subject: 111706 Epidemiology
subject: FOS: Health sciences

description: Anthropometry and physical function measures for Hadza and Pokot participants
Performance in the Food Retailing Segment of the Agri-Food Chain
Creators: name: Smith, David
name: Trant, Michael
name: Smith, David
name: Trant, Michael
Publisher: name: Unknown
Year: 2002
Subjects: Agribusiness

description: This paper sets out to measure the performance of the food-retailing sector of the Canadian economy for the period 1990 to 1998. This study was undertaken to provide a baseline study for the sector due to the major changes that took place after 1998. A second driver was to provide recent information on the sector as the last study of this type was conducted in the 1970s. The paper uses profitability as a measure of performance. The measure was chosen because most firms make business decisions based on their profitability, and profitability provides an indication on the direction of employment, investment, and growth of a sector. We find that that food retailing performed better than both non-food retailers and the general economy over the 1990s. While large retailers performed twice as well as small and medium retailers the latter categories performed better than their non-food counterparts over the period.
Originali e copie nella Lettera di Filippo Baldinucci a Vincenzo Capponi
Creators: name: Fumagalli, Elena
Publisher: name: Fondazione Università Ca’ Foscari Venezia, Italia
Year: 2021

description:

This contribution aims to analyse Filippo Baldinucci’s Letter to Vincenzo Capponi (Rome, 1681) in all its aspects, particularly its concept of original and copy, taking into account Baldinucci’s position in the Accademia del Disegno and in the Roman cultural milieu. Through some examples, the essay also intends to assess the Letter vis-à-vis the correspondence between the Medici agents in Venice and the court, in order to emphasise the relation between the artistic literature on copies and the practical experience of the individuals who had to secure paintings for demanding collectors such as prince Leopoldo de’ Medici.

description: Venezia Arti