cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
A fiatal kutatók mentális egészsége, trendek és lehetőségek
Creators: name: Kismihók, Gábor
Publisher: name: Zenodo
Year: 2021
Subjects: mentális egészség
kutatók mentális egészsége
ReMO

description: Elóadás a "Hallgatók és fiatal kutatók szakmai támogatása a víztudományok területén" (Youth support symposium for students and early-career researchers in aquatic sciences) online szimpóziumon a kutatók mentális egészségéről és a ReMO COST Actionről. 2021. november 5.
description: The presentation was supported by the ReMO COST Action CA19117
Meson properties at finite temperature in a three flavor nonlocal chiral quark model with Polyakov loop
Creators: name: Contrera, G. A.
name: Dumm, D. Gomez
name: Scoccola, Norberto N.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study the finite temperature behavior of light scalar and pseudoscalar meson properties in the context of a three-flavor nonlocal chiral quark model. The model includes mixing with active strangeness degrees of freedom, and takes care of the effect of gauge interactions by coupling the quarks with the Polyakov loop. We analyze the chiral restoration and deconfinement transitions, as well as the temperature dependence of meson masses, mixing angles and decay constants. The critical temperature is found to be T_c = 202 MeV, in better agreement with lattice results than the value recently obtained in the local SU(3) PNJL model. It is seen that above T_c pseudoscalar meson masses get increased, becoming degenerate with the masses of their chiral partners. The temperatures at which this matching occurs depend on the strange quark composition of the corresponding mesons. The topological susceptibility shows a sharp decrease after the chiral transition, signalling the vanishing of the U(1)_A anomaly for large temperatures.
description: 21 pages, 4 figures. Fig. 3 and final part of Sect. IV modified, references added, conclusions unchanged. To be published in Phys. Rev. D
The story of the story of Anzac
Creators: name: Ball, M
Publisher: name: University Of Tasmania
Year: 2023

description: This thesis examines the role of the Anzac myth in the imagining of Australian nationhood. It considers the historical poetics out of which the Anzac myth emerged, together with the contemporary social structures in which it continues to flourish. Due to the scale and variety of the subject matter, the thesis is catho1ic in its use of theoretical methodology. It likewise visits a broad range of data: from newspaper comment to historical monographs; from manuscript archive to official propaganda; from. political speeches to fiction and poetry. The first half of the thesis pursues a critical study of myth theory, and the sorts of myth models that accompany narratives of nationhood. I examine how the Anzac myth appropriated many existing Australian myths into itself, and I illustrate how Anzac is an abundant field for mythic readings. The second half of the thesis analyzes the central text of the Anzac story, C.E.W. Bean's Official history of Australia in the Great War, 1914- 1918. I look at the range of Bean's writings to highlight the themes which pervade all his work. I analyse the tropes of style and form in the text, as well as the influence on Bean of his historiographical exemplars. Lastly I discuss the structural archaeology of the text, and recover the traces of Homer's Illiad that mould and colour the Official History. The two parts of the thesis are bookended by chapters that combine the various ands 'myth', 'history' and 'nation', and at the same time examine the place of Bean's Official History in contemporary Australian culture. I analyze the portrayal of Anzac in various literary and filmic texts. In particular, I discuss the way Prime Ministers Keating and Howard have harnessed Anzac imagery to express their conceptions of Australian politics and values. Lastlv, I look to the silences of the Anzac myth - the stories it suppresses, and those it does not tell; and I consider the question of whether Anzac should continue to claim its pre-eminent position as the myth of nation forming for Australia.
Dynamical fluctuations for semi-Markov processes
Creators: name: Maes, Christian
name: Netočný, Karel
name: Wynants, Bram
Publisher: name: arXiv
Year: 2009
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We develop an Onsager-Machlup-type theory for nonequilibrium semi-Markov processes. Our main result is an exact large time asymptotics for the joint probability of the occupation times and the currents in the system, establishing some generic large deviation structures. We discuss in detail how the nonequilibrium driving and the non-exponential waiting time distribution influence the occupation-current statistics. The violation of the Markov condition is reflected in the emergence of a new type of nonlocality in the fluctuations. Explicit solutions are obtained for some examples of driven random walks on the ring.
description: Minor changes, accepted for publication in Journal of Physics A
Ecosystem service values in natural resource management: a decision support framework
Creators: name: Olsen, S
Publisher: name: University Of Tasmania
Year: 2023

description: Mounting evidence indicates that every ecosystem on the planet is showing signs of deterioration and is seriously threatening the ability of nature to provide crucial ecosystem services to human society. Many ecosystem services are iln decline due to human ignorance of their value and inadequate social and economic mechanism to manage them sustainably. This thesis establishes the basis for greater recognition of ecosystem services in the managment of natural resources. This is achieved in three ways. Firstly, the thesis develops a classification of ecosystem services for application to natural resource management issues. The classification overcomes the problens of previous typologies by distinguishing between those serices that contribute to other services and the 'end' services themselves. Ecosystem service values can be directly ascribed to provisioning and cultural services. However, the majority of ecological services are of indirect value as they exist primarily to improve and sustain other services. Secondly, a multi-criteria evaluation (MCE) decision framework is developed to account for changes in ecosystem services resulting from different managment scenarios. The MCE process is developed in conjunction with an expert panel, a stakeholder susrvey, and a cost-effectiveness analysis. The approach involves establishing an ecosystem services conceptual model, developing future management scenarios, and assessing the impact of these scenarios. Thirdly, a case study is presented using the North West Bay River catchment in Tasmania. Recent local advocacy has sought a reduction in the proportion of the river that is diverted into the City of Hobart's water supply in order to benefit stakeholders downstream of the diversion intakes. Four future scenarios are developed that present a range of possible actions associated with the water managment regime. Criteria weights are inserted into the MCE framework based on responses to a mail survey. The potential changes in ecosystem services are evaluated across the scenerios over a 10 year timeframe. Implementing a range of integrated catchment management measures will have the greatest positive change to the values provided by the North West Bay River. Maintaining the current management regime islikely to lead to an overall decline in ecosystem service values. Any potential improvements in ecosystem service values are dependant on reducing the uncertainty involved in impact prediction and selecting cost-effective management scenarios. The decision framework provides a number of advantages when compared with alternative valuation approaches through its ability to integrate scientific assessment with valuation techniques, and provide opportunities for knowledge building and stakeholder engagement.
Gallium and Indium Alkoxides with Hydride, Cyclopentadienediide and Copper(I) tert-Butoxide as further Components
Creators: name: Veith, M.
name: Summa, D.
name: Annel, U.
name: Huch, V.
Publisher: name: Weinheim : Wiley-VCH
Year: 2019
Subjects: subject: Alkoxi gallates and indates
subject: Copper-indium alkoxides
subject: Ga–O cages
subject: Indium fulvenes
subject: X-ray diffraction
subject: 540

description: Gallium hydride stabilized by the base quinonuclidine reacts with acetone under addition of the Ga-H function to the carbon–oxygen double bond yielding (HGa)5(OiPr)8O (1) as isolable compound. (HGa)5(OiPr)8O may be formally split in to four entities of HGa(OiPr)2 and one entity HGaO. The inner atomic skeleton of 1 is a novel Ga5O9 heterocluster with gallium atoms occupying the corners of a distorted trigonal bi-pyramid, an oxygen atom in the center and the remaining alcoholate oxygen atoms bridging eight of the nine edges of the bi-pyramid (X-ray diffraction analysis). Potassium indium alkoxide KIn(OtBu)4 has been used to synthesize several new compounds like In4(OtBu)8(C5H4)2 (2), (py)2CuIn(OtBu)4 (3), and [CuIn(OtBu)4]2 (4) by reaction with TiCl2cp2 (2) and CuCl (3, 4). All compounds were characterized by spectroscopic means and by X-ray structure analyses revealing novel polycyclic structures. © 2019 The Authors. Published by Wiley-VCH Verlag GmbH & Co. KGaA.
Sweet Potato Production in Uganda in a Changing Climate: What is the Role for Fertilisers
Creators: name: Young, Hannah
name: Plumpton, Heather
name: Miret, Javier A.
name: Cornforth, Rosalind J.
name: Petty, Celia
name: Todman, Lindsay
name: O'Sullivan, Donal M.
name: Wagstaff, Carol
name: Mason, Onyinye
name: Shepherd, Theodore
name: Saabwe, Colline
name: Talwisa, Miriam
Publisher: name: Zenodo
Year: 2020
Subjects: sweet potato
Uganda
climate change
food security
livelihoods
climate resilience
Koronivia Joint Work on Agriculture
UNFCCC
vitamin a
fertiliser
soil
crop management
tropical crop

description: This policy brief for the Ugandan Government covers the use of manure and inorganic fertilisers in sweet potato production, including how fertiliser use in sweet potato production can contribute to boosting yields, livelihood resilience, improving diets and fighting malnutrition in Uganda in the face of climate change.
Marketing costs incurred within the ethical pharmaceutical industry
Creators: name: Fevang, Leroy Conrad
Publisher: name: University of British Columbia
Year: 2011

description: Recent governmental enquiries into the Canadian Pharmaceutical industry have recommended that the level of marketing costs incurred by individual firms be reduced, so that the cost of medication may in turn be reduced. The object of this study is to seek out and apply quantitative techniques that objectively measure the effectiveness of various pharmaceutical firms' marketing departments. This is subsequently related to the firms' marketing policies and the costs of their implementation. The effectiveness of six pharmaceutical firms' marketing departments was determined by two methods: (1) a ratio measure of each firm's rate of return to the level of its marketing costs; and (2) a productivity measure that permits the calculation of relative efficiencies. It was determined that the general quantitative results were consistent for either method of calculation. In addition, not only was there a wide degree of variance between the individual firm's marketing effectiveness, but it appears that firms who adopted an indirect distribution policy and a mass selling promotional policy had a more efficient marketing department.
Glass transition with decreasing correlation length during cooling of Fe50Co50 superlattice and strong liquids
Creators: name: Wei, Shuai
name: Gallino, Isabella
name: Busch, Ralf
name: Angell, C. Austen
Publisher: name: arXiv
Year: 2010
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: The glass transition GT is usually thought of as a structural arrest that occurs during the cooling of a liquid, or sometimes a plastic crystal, trapping a metastable state of the system before it can recrystallize to stabler forms1. This phenomenon occurs in liquids of all classes, most recently in bulk metallic glassformers2. Much theoretical interest has been generated by the dynamical heterogeneity observed in cooling of fragile liquids3, 4, and many have suggested that the slow-down is caused by a related increasing correlation length 5-9. Here we report both kinetics and thermodynamics of arrest in a system that disorders while in its ground state, exhibits a large !Cp on arrest (!Cp = Cp,mobile - Cp,arrested), yet clearly is characterized by a correlation length that is decreasing as GT is approached from above. We show that GT kinetics in our system, the disordering superlattice Fe50Co50, satisfy the kinetic criterion for ideally 'strong' glassformers10, and since !Cp behavior through Tg also correlates10, we propose that very strong liquidsand very fragile liquids exist on opposite flanks of an order-disorder transition - one that is already known for model systems.
Effects of vertebrate grazing and environmental factors on fuel and fire potential in Tasmanian native grasslands
Creators: name: Leonard, S
Publisher: name: University Of Tasmania
Year: 2023

description: Grazers and fire have been characterised as 'competing' consumers of vegetation biomass. Few studies of fire/grazing interactions have been carried out in Australian vegetation. This study examines how vertebrate grazing affects fire potential in native grasslands in Tasmania. The study was carried out at three highland and three lowland sites over 18 months. Vegetation biomass (fuel load) was measured in grazed and ungrazed quadrats every three months. Percentage dead fuel (curing) was also recorded at these times, with additional observations being made over summer. Daily values for temperature, humidity, wind speed and rainfall at each site were derived. Soil nutrient levels at each site were also recorded. Densities of macropods and sheep were estimated from scat (dung pellet) counts, while wombat densities were estimated from spotlight surveys. density estimates were converted into a single index of grazing intensity on the basis of published field metabolic rates. Grazing intensity calculated by this method was related to the amount of vegetation biomass removed by grazers. A model for predicting grassland fire sustainability was developed.Fuel characteristics and weather conditions were recorded for 78 non-sustaining and 33 sustaining test fires. The probability of fires sustaining was related to dead fuel, moisture, fuel load and percentage dead fuel. Threshold values for fire sustainability were identified. Grazing substantially reduced vegetation biomass in short-grass grasslands, but had no effect in tussock grasslands. this difference appeared to relate to differences in palatability. Grazing has no consistent effect on percentage dead fuel. This variable was strongly related to soil moisture, though this relationship varied amongst the dominant grass taxa. Fires were predicted to be sustaining on substantially fewer days in grazed relative to ungrazed vegetation at short- grass sites, while there was no difference at tussock sites. The differing results between structural types reflected differences in vegetation palatability. At short -grass sites most biomass is consumed by grazers and fires are unlikely, while at tussock sites grazing has little impact on fuel loads and fires can occur whenever weather conditions are favourable. Sites can potentially move between short-grass and tussock grass if disturbance regimes are altered. The degree of 'competition' between fire and grazers for vegetation biomass appears largely determined by vegetation palatability. The widespread assumptions that indigenous Tasmanians frequently burnt lowland grasslands and that burning is preferable to grazing as a management tool in native grasslands require reconsideration in light of the findings of this study.
Longitude-dependent decadal ozone changes and ozone trends in boreal winter months during 1960-2000
Creators: name: Peters, D.H.W.
name: Gabriel, A.
name: Entzian, G.
Publisher: name: Göttingen : Copernicus
Year: 2008
Subjects: subject: anticyclone
subject: decadal variation
subject: geopotential
subject: ozone
subject: planetary wave
subject: Rossby wave
subject: stratosphere
subject: troposphere
subject: winter
subject: Africa
subject: Arctic
subject: Asia
subject: Atlantic Ocean
subject: Atlantic Ocean (North)
subject: Atlantic Ocean (Northeast)
subject: Central Asia
subject: Eurasia
subject: Europe
subject: Greenland
subject: North Africa
subject: Western Europe
subject: 550

description: This study examines the longitude-dependent decadal changes and trends of ozone for the boreal winter months during the period of 1960–2000. These changes are caused primarily by changes in the planetary wave structure in the upper troposphere and lower stratosphere. The decadal changes and trends over 4 decades of geopotential perturbations, defined as a deviation from the zonal mean, are estimated by linear regression with time. The decadal changes in longitude-dependent ozone were calculated with a simple transport model of ozone based on the known planetary wave structure changes and prescribed zonal mean ozone gradients. For December of the 1960s and 1980s a statistically significant Rossby wave track appeared over the North Atlantic and Europe with an anticyclonic disturbance over the Eastern North Atlantic and Western Europe, flanked by cyclonic disturbances. In the 1970s and 1990s statistically significant cyclonic disturbances appeared over the Eastern North Atlantic and Europe, surrounded by anticyclonic anomalies over Northern Africa, Central Asia and Greenland. Similar patterns have been found for January. The Rossby wave track over the North Atlantic and Europe is stronger in the 1980s than in the 1960s. For February, the variability of the regression patterns is higher. For January we found a strong alteration in the modelled decadal changes in total ozone over Central and Northern Europe, showing a decrease of about 15 DU in the 1960s and 1980s and an increase of about 10 DU in the 1970s and 1990s. Over Central Europe the positive geopotential height trend (increase of 2.3 m/yr) over 40 years is of the same order (about 100 m) as the increase in the 1980s alone. This is important to recognize because it implies a total ozone decrease over Europe of the order of 14 DU for the 1960–2000 period, for January, if we use the standard change regression relation that about a 10-m geopotential height increase at 300 hPa is related to about a 1.4-DU total ozone decrease.
The double slit experiment and the time reversed fire alarm
Creators: name: Halabi, Tarek
Publisher: name: arXiv
Year: 2009
Subjects: subject: Quantum Physics (quant-ph)
subject: General Physics (physics.gen-ph)
subject: FOS: Physical sciences

description: When both slits of the double slit experiment are open, closing one paradoxically increases the detection rate at some points on the detection screen. Feynman famously warned that temptation to "understand" such a puzzling feature only draws us into blind alleys. Nevertheless, we gain insight into this feature by drawing an analogy between the double slit experiment and a time reversed fire alarm. Much as closing the slit increases probability of a future detection, ruling out fire drill scenarios, having heard the fire alarm, increases probability of a past fire (using Bayesian inference). Classically, Bayesian inference is associated with computing probabilities of past events. We therefore identify this feature of the double slit experiment with a time reversed thermodynamic arrow. We believe that much of the enigma of quantum mechanics is simply due to some variation of time's arrow. In further support of this, we employ a plausible formulation of the thermodynamic arrow to derive an uncertainty in classical mechanics that is reminiscent of quantum uncertainty.
description: Last two paragraphs of Discussion section are an addendum to the version accepted at Il Nuovo Cimento B.
On the brink of the abyss
Creators: name: Knights, MA
Publisher: name: University Of Tasmania
Year: 2023

description: Symbolism, which initially emerged in Paris as an avant-garde literary movement, became prominent in major cultural centres across Europe in the late 1880s and 1890s. In their art and writing the Symbolists articulated their affinity to Idealist concerns and aspirations to express the eternal, immutable and intangible. Influenced by Baudelaire's theory of correspondences, that implies that the material world is linked to the spiritual and that the curious and sensitive artist could perceive a glimmer of the Ideal through fleeting sensations, the Symbolists developed new visual and poetic languages and adopted strategies such as the fragmentation of text, idiosyncratic use of symbolic, hyper-sensual and synaesthetic imagery, ambiguity and obscurity. While the Symbolist's nihilistic tendencies were recognised by peers and critics in relation to the poets, they have not been adequately acknowledged in regard to the visual artists. In this thesis, focusing on the art critic and novelist Joris-Karl Huysmans (1848-1907), I consider the Symbolists' claims of Idealism. I argue that Huysmans' powerful critical insights, while aligned with the Symbolist movement, stemmed not from Idealist convictions but from metaphysical questioning and anxiety as he wavered on the brink of an intellectual and spiritual abyss. Having outlined the evolution of Huysmans' aesthetic and metaphysical position, I consider how the complexity of his ideas ‚Äö- often articulated through references to disease and mortality, and juxtaposition of these against Symbolist tropes alluding to the immutable and eternal ‚Äö- informed his critical approach and elucidate nihilistic tendencies in the work of artist Mathias Gr‚àö¬¿newald (1475-1528), and Symbolist artists Gustave Moreau (1836-1898), Odilon Redon (1840-1916) and Felicien Rops (1833-1898).
Middle Convolution and Harnad Duality
Creators: name: Yamakawa, Daisuke
Publisher: name: arXiv
Year: 2009
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 53D30, 34M15, 14L24

description: We interpret the additive middle convolution operation in terms of the Harnad duality, and as an application, generalize the operation to have a multi-parameter and act on irregular singular systems.
description: 50 pages; v2: Submitted version once revised according to referees' comments
AlZn based Co and Ni catalysts for the partial oxidation of bioethanol - Influence of different synthesis procedures
Creators: name: Ehrich, H.
name: Kraleva, E.
Publisher: name: Warsaw : Central European Science Journals
Year: 2014
Subjects: subject: Citrate method
subject: Ethanol partial oxidation
subject: Hydrogen generation
subject: Sol-gel method
subject: Transition metal catalysts
subject: 540

description: The catalytic performance of Co and Ni catalysts on AlZn mixed oxide supports depends on the synthesis procedure used for their preparation. For this study CoAlZn and NiAlZn catalysts were prepared by conventional sol-gel synthesis of the mixed oxide and subsequent impregnation of the support with the transition metal (SG = sol gel method) as well as by a single-step method were a gel is formed based on salts of all components using citric acid as chelating agent (CM = citrate method). The structure and morphology of the catalysts were characterized by nitrogen sorption, XRD and TPR measurements. They showed high activity in the partial oxidation of ethanol at 600-750 °C, but their properties depend on the preparation method. The higher performance of the catalysts prepared by the citrate method, where the transition metal is incorporated into the crystal structure of the support during preparation, is based on a change in morphology and structure, resulting in more active sites exposed on the surface. Compared to the Co catalysts, Ni catalysts showed a higher performance. This might be due to the higher reducibility and the smaller Ni particles size, which allows a better interaction with the support in NiAlZn catalysts.
Low-energy QCD and hadronic structure
Creators: name: Weise, Wolfram
Publisher: name: arXiv
Year: 2009
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Recent developments and selected topics in low-energy QCD are summarized, from chiral effective field theory to systems with strange and charm quarks, from lattice QCD to precision experiments.
description: 11 pages, 14 figures, Proc. Int. Conf. on Particles and Nuclei (PANIC08), Nucl. Phys. A (in print)
Steady state single channel queues
Creators: name: Low, Siew Nghee
Publisher: name: University of British Columbia
Year: 2011

description: This thesis extends the application of waiting line theory to situations where both arrival rate and service rate distributions are arbitrary or non-random. It does so only for single channel, single phase, steady state, infinite queues with no feed-back. Previous work by A.K. Erlang had shown that queuing characteristics could be predicted for one case of an arbitrary service rate distribution, the constant service time. Also, F. Pollaczek had shown that, where arrival rates are random, queue lengths and waiting times were independent of the form of the service rate distribution, being functions of the coefficient of variance squared. But all of the works assumed random arrivals around a stable mean arrival rate and, except for the constant service time case, most applications were limited to cases where both arrival and service rates were random. This restriction has limited applications severely and has required that most analysis of queuing characteristics be done by simulation. This study develops and proves by inference the hypothesis that system length is dependent on these factors only: the square of the coefficient of variance of the interarrival time distribution, C²a, the square of the coefficient of variance of the service time distribution, C²s, and the ratio of mean arrival rate to mean service rate, p. Through a combination of calculation and simulation a set of curves has been developed covering values, C²a from 0 to 6, C²s from 0 to 6 and of p from 0.1 to 0.9. These curves permit the prediction of system length, and then of average queue length and waiting time, for any case where only the mean and variance of the arrival and service time distributions are known, even though nothing is known about the form of the distributions. In the usage of the set of graphs (figures 10-29), the following steps are all that is required to obtain the necessary characteristics: a) Calculate the average interarrival time, [formula omitted] (Total time of observation/Total number of Arrivals). b) Calculate the variance for interarrival times, [formula omitted] Total number of arrivals. c) Calculate the fractional coefficient of variance squared for interarrival time distribution, [formula omitted]. d) Calculate the average service time, [formula omitted] (Total time service facility is in operation/ Total number serviced). e) Calculate the variance for service times, [formula omitted] Total number serviced. f) Calculate the fractional coefficient of variance squared for service time distribution, [formula omitted]. g) Calculate the utilization factor, p = (Average service time/Average interarrival time). h) With the values p, C²a, and C²s, read from the set of graphs (figures 10-29) the verticle axis, L. i)Compute Lq, W and Wq.
Switching and growth for microbial populations in catastrophic responsive environments
Creators: name: Visco, Paolo
name: Allen, Rosalind J.
name: Majumdar, Satya N.
name: Evans, Martin R.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Populations and Evolution (q-bio.PE)
subject: Soft Condensed Matter (cond-mat.soft)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Biological sciences
subject: FOS: Physical sciences

description: Phase variation, or stochastic switching between alternative states of gene expression, is common among microbes, and may be important in coping with changing environments. We use a theoretical model to assess whether such switching is a good strategy for growth in environments with occasional catastrophic events. We find that switching can be advantageous, but only when the environment is responsive to the microbial population. In our model, microbes switch randomly between two phenotypic states, with different growth rates. The environment undergoes sudden "catastrophes", the probability of which depends on the composition of the population. We derive a simple analytical result for the population growth rate. For a responsive environment, two alternative strategies emerge. In the "no switching" strategy, the population maximises its instantaneous growth rate, regardless of catastrophes. In the "switching" strategy, the microbial switching rate is tuned to minimise the environmental response. Which of these strategies is most favourable depends on the parameters of the model. Previous studies have shown that microbial switching can be favourable when the environment changes in an unresponsive fashion between several states. Here, we demonstrate an alternative role for phase variation in allowing microbes to maximise their growth in catastrophic responsive environments.
description: 9 pages, 10 figures; replaced with revised version
An assessment of the catching performance of circle hooks and J-hooks in the Demersal longline fishery in the Sultanate of Oman
Creators: name: Al-Qartoubi, IAR
Publisher: name: University Of Tasmania
Year: 2023

description: The objectives of this study were to evaluate performance in efficiency and selectivity of two hook types, namely, circle hooks and J-hooks used in demersal longline gear in Omani waters. To achieve these objectives, in December 2004 a longline experiment was conducted at three fishing locations at Masirah Island in the Sultanate of Oman. A total of 6 120 baited hooks (3 060 (no. 6) J-hooks and 3 060 (no. 6) circle hooks) were deployed over a 17-day period. The results indicated that 90% and 89% of circle- and J-hooks respectively were retrieved. Of the total catch of 581 fish (924 kg), the circle hooks caught 63% by numbers and 51% by weight. It was found that the catch of both hook types were dominated by one family (Lethrinidiae) and one species (Lethrinus microdon), which accounted for 38% by weight and 48% by number of all total catch. The noncommercial species accounted for 12% by weight and 7.4 % by number of the total catch. With particular reference to the total catch, where the commercial catch is significantly higher than the non-commercial catch, the effectiveness of the circle hook is significantly higher than that of the J-hook. In the absence of output control in the fishery (that is, total allowable catch limit), and given the equal soak time for both hook types, the implication of this finding is that the circle hooks are more efficient than Jhooks in harvesting commercial species. In other words, all else being equal, the use of circle hooks could minimize the costs of fishing effort. This finding is promising from both management and fishing operational perspectives as the use of circle hooks could be promoted in the fishery. It was also found that about 90% of the commercial catch by circle hook was hooked in the corner of the mouth. However, the J-hook figure was less than 24%. This result clearly indicates that the use of circle hooks can minimize gut hooking and thereby minimize physical damage to fish caught. An important implication of this finding is that the fish caught by the circle hook would remain fresh due to less physical damage and could therefore be expected to command higher market prices for fishermen. In terms of non-commercial catch, there was no significant difference between hook types. An implication of this finding is that the circle hook does not increase the number of by-catch compared to the J-hook and thereby does not undermine the conservation of non-commercial species. The market value of catch was calculated for all commercial species. The results indicate that the average price per kg for circle hook catch was higher because more highly valued species where caught with the circle hook. Based on these findings, it could be concluded that the performance of circle hooks in relation to catching efficiency and selectivity is comparatively better than that of its counterpart and the management authority could encourage their use fully in Omani
Motion of Small Bodies in Classical Field Theory
Creators: name: Gralla, Samuel E.
Publisher: name: arXiv
Year: 2010
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: I show how prior work with R. Wald on geodesic motion in general relativity can be generalized to classical field theories of a metric and other tensor fields on four-dimensional spacetime that 1) are second-order and 2) follow from a diffeomorphism-covariant Lagrangian. The approach is to consider a one-parameter-family of solutions to the field equations satisfying certain assumptions designed to reflect the existence of a body whose size, mass, and various charges are simultaneously scaled to zero. (That such solutions exist places a further restriction on the class of theories to which our results apply.) Assumptions are made only on the spacetime region outside of the body, so that the results apply to ordinary bodies as well as black holes. The worldline "left behind" by the shrinking, disappearing body is interpreted as its lowest-order motion. An equation for this worldline follows from the "Bianchi identity" for the theory, without use of any properties of the field equations beyond their being second-order. The form of the force law for a theory therefore depends only on the ranks of its various tensor fields, with the field equations relevant only for determining the charges of a particular body from its exterior fields. I explicitly derive the force law (and mass-evolution law) in the case of scalar and vector fields, and give the recipe in the higher-rank case. Note that the vector force law is quite complicated, simplifying to the Lorentz force law only in the presence of the Maxwell gauge symmetry. Example applications of the results are the motion of "chameleon" bodies beyond the Newtonian limit, and the motion of bodies in (classical) non-Abelian gauge theory. I also make some comments on the role that scaling plays in the appearance of universality in the motion of bodies.
description: minor typographical changes
GRB 090313: X-shooter's first shot at a GRB
Creators: name: Postigo, A. de Ugarte
name: Goldoni, P.
name: Thöne, C. C.
name: Vergani, S. D.
name: D'Elia, V.
name: Piranomonte, S.
name: Malesani, D.
name: Covino, S.
name: Flores, H.
name: Fynbo, J. P. U.
name: Hjorth, J.
name: Wijers, R. A. M. J.
name: D'Odorico, S.
name: Hammer, F.
name: Kaper, L.
name: Kjærgaard, P.
name: Randich, S.
name: Andersen, M. I.
name: Antonelli, L. A.
name: Christensen, L.
name: D'Avanzo, P.
name: Fiore, F.
name: Groot, P. J.
name: Maiorano, E.
name: Palazzi, E.
name: Pian, E.
name: Tagliaferri, G.
name: Ancker, M. E. van den
name: Vernet, J.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: Context. X-shooter is the first second-generation instrument to become operative at the ESO Very Large Telescope (VLT). It is a broad-band medium-resolution spectrograph designed with gamma-ray burst (GRB) afterglow spectroscopy as one of its main science drivers. Aims. During the first commissioning night on sky with the instrument fully assembled, X-shooter observed the afterglow of GRB 090313 as a demonstration of the instrument's capabilities. Methods. GRB 090313 was observed almost two days after the burst onset, when the object had already faded to R~21.6. Furthermore, the 90% illuminated Moon was just 30 degrees away from the field. In spite of the adverse conditions, we obtained a spectrum that, for the first time in GRB research, covers simultaneously the range from 5700 to 23000 Angstroms. Results. The spectrum shows multiple absorption features at a redshift of 3.3736, the redshift of the GRB. These features are composed of 3 components with different ionisation levels and velocities. Some of the features have never been observed before in a GRB at such a high redshift. Furthermore, we detect two intervening systems at redshifts of 1.8005 and 1.9597. Conclusions. These results demonstrate the potential of X-shooter in the GRB field, as it was capable of observing a GRB down to a magnitude limit that would include 72% of long GRB afterglows 2 hours after the burst onset. Coupled with the rapid response mode available at VLT, allowing reaction times of just a few minutes, X-shooter constitutes an important leap forward on medium resolution spectroscopic studies of GRBs, their host galaxies and intervening systems, probing the early history of the Universe.
description: Accepted for publication in Astronomy and Astrophysics on the 20 January. 8 pages, 5 figures, 4 tables
title: Anne L. Hufman Oral History Interview Transcript
Creators: name: Uniformed Services University of the Health Sciences
Publisher: name: University Archives, Uniformed Services University of the Health Sciences, Bethesda, Maryland 20814
Year: 2011
Subjects: classificationCode: 3
subject: FOS: Medical and health sciences
classificationCode: 6.1
subject: FOS: History and archaeology

description: USU Oral History Interview Transcript
Anne L. Hufman
Director, University Computing Center
Program Analyst, Continuing Education for Health Professionals Directorate
02-08-2011
Interviewed by Megan Guglielmi
Simplicity in the Faulkner construction
Creators: name: Figueroa-O'Farrill, José
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Rings and Algebras (math.RA)
subject: Representation Theory (math.RT)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We revisit the Faulkner construction of metric 3-Leibniz algebras admitting an embedding Lie (super)algebra. In the case of positive-definite signature, we relate the various notions of simplicity: of the 3-algebra, of the representation and of the embedding Lie (super)algebra. This reduces their classification to the extant classifications of simple Lie (super)algebras.
description: 12 pages. (v2: corrected an error in the proof of the third theorem. The results are unchanged.)
Adapted complex structures and the geodesic flow
Creators: name: Hall, Brian C.
name: Kirwin, William D.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Symplectic Geometry (math.SG)
subject: Mathematical Physics (math-ph)
subject: Complex Variables (math.CV)
subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 53D25, 32D15, 32Q15, 53D50, 81S10

description: In this paper, we give a new construction of the adapted complex structure on a neighborhood of the zero section in the tangent bundle of a compact, real-analytic Riemannian manifold. Motivated by the "complexifier" approach of T. Thiemann as well as certain formulas of V. Guillemin and M. Stenzel, we obtain the polarization associated to the adapted complex structure by applying the "imaginary-time geodesic flow" to the vertical polarization. Meanwhile, at the level of functions, we show that every holomorphic function is obtained from a function that is constant along the fibers by "composition with the imaginary-time geodesic flow." We give several equivalent interpretations of this composition, including a convergent power series in the vector field generating the geodesic flow.
description: 13 pages, v2: minor corrections
Productivity of university educators
Creators: name: Brown, Daniel John
Publisher: name: University of British Columbia
Year: 2011

description: This survey investigates some of the social determinants of educational productivity. A theory with its basis in the sociology of small groups is presented in an attempt to explain how leader behavior and colleagueal relations in a university department might affect the productivity of professors. A sample of university social scientists was selected and variations of Halpin's LBDQ and OCDQ along with a quantitative assessment of productivity were administered by interview. The data were subjected to regression analysis and 39% of the productivity variance was found accountable to the predictors. The variables of aloofness (a leader's bureaucratic behavior), consideration (the leader's tendency to treat his staff ''humanly''), thrust (the leader's tendency to set an example), hindrance (group feeling that they required to do ''busywork''), intimacy (the social dimension), and production emphasis (the leader's behavior which is focused on production), the number of student assistants, and the orientation towards teaching emerged as significant predictor's of productivity. Other predictors, such as research orientation, travel fund availability, degree, degree date, rank, approximate age, morale, stimulation, initiating structure, and publication emphasis were not significant but in the predicted direction. Five exploratory analyses were conducted. The results accounted for less productivity variance but tended to support the above findings.
Igneous and metamorphic petrology of lavas and dykes of the Macquarie Island ophiolite complex.
Creators: name: Griffin, BJ
Publisher: name: University Of Tasmania
Year: 2023

description: Macquarie Island is an emergent part of the Macquarie Ridge, which runs south from New Zealand to join the Indian-Pacific ridge system, and marks the boundary between the Indian-Australian and the Pacific plates. Most of Macquarie Island is composed of fault-bounded blocks of volcanic rocks that are commonly basaltic pillow lavas with rarer massive flows and minor sediments. The sediments range from Globigerina oozes and red siltstones through coarser lithic wackes to agglomerates. Dolerite dyke swarms, gabbroic masses including a layered complex, and serpentinized peridotites also occur in the northern part of the island, where an oceanic lithosphere section has been recognized.
Federated identity for trusted access to biomedical data | Australian Access Federation
Creators: name: Australian Access Federation
Publisher: name: Zenodo
Year: 2024

description: AAF has partnered with the National Imaging Facility (NIF) exploring improved access and collaboration for complex multi-site human imaging projects and medical trials using sensitive data.

 

NIF is Australia’s advanced imaging network, and provides open access to flagship imaging equipment, tools, data and analysis. NIF aims to maintain Australia’s world leading role in advanced imaging technology and make its capabilities accessible to all Australian medical researchers to solve challenges across research and industry. They enable research in areas such as mild traumatic brain injury (mTBI), epilepsy and melanoma. NIF are critical to research translation, clinical trials and the commercialisation of medical products.

 

As one of AAF’s Trust and Identity Pathfinder Incubators, we have been working with NIF on enhancing their access — providing NIF partners, institutional researchers and external users with the opportunity for improved access and collaboration when undertaking complex, multi-site human imaging projects such as national clinical trials that use sensitive data.
Synthesis of hydroxy-sodalite/cancrinite zeolites from calcite-bearing kaolin for the removal of heavy metal ions in aqueous media
Creators: name: Esaifan, Muayad
name: Warr, Laurence N.
name: Gratho, Georg
name: Meyer, Tammo
name: Schafmeister, Maria-Theresia
name: Kruth, Angela
name: Testrich, Holger
Publisher: name: Basel : MDPI
Year: 2019
Subjects: subject: Minerals
subject: Natural clay
subject: Pollution
subject: Water purification
subject: Zeolite
subject: 550

description: A hydroxy-sodalite/cancrinite zeolite composite was synthesized from low-grade calcite-bearing kaolin by hydrothermal alkali-activation method at 160 °C for 6 h. The effect of calcite addition on the formation of the hydroxy-sodalite/cancrinite composite was investigated using artificial mixtures. The chemical composition and crystal morphology of the synthesized zeolite composite were characterized by X-ray powder diffraction, infrared spectroscopy, scanning electron microscopy, and N2 adsorption/desorption analyses. The average specific surface area is around 17–20 m2·g−1, whereas the average pore size lies in the mesoporous range (19–21 nm). The synthesized zeolite composite was used as an adsorbent for the removal of heavy metals in aqueous solutions. Batch experiments were employed to study the influence of adsorbent dosage on heavy metal removal efficiency. Results demonstrate the effective removal of significant quantities of Cu, Pb, Ni, and Zn from aqueous media. A comparative study of synthesized hydroxy-sodalite and hydroxy-sodalite/cancrinite composites revealed the latter was 16–24% more efficient at removing heavy metals from water. The order of metal uptake efficiency for these zeolites was determined to be Pb > Cu > Zn > Ni. These results indicate that zeolite composites synthesized from natural calcite-bearing kaolin materials could represent effective and low-cost adsorbents for heavy metal removal using water treatment devices in regions of water shortage.
Prospects for Very High Energy Blazar Survey by the Next Generation Cherenkov Telescopes
Creators: name: Inoue, Yoshiyuki
name: Totani, Tomonori
name: Mori, Masaki
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: The prospects for future blazar surveys by next-generation very high energy (VHE) gamma-ray telescopes, such as Advanced Gamma-ray Imaging System (AGIS) and Cherenkov Telescope Array (CTA), are investigated using the latest model of blazar luminosity function and its evolution which is in good agreement with the flux and redshift distribution of observed blazars as well as the extragalactic gamma-ray background. We extend and improve the template of spectral energy distributions (SEDs) based on the blazar SED sequence paradigm, to make it reliable also in the VHE bands (above 100 GeV) by comparing with the existing VHE blazar data. Assuming the planned CTA sensitivities, a blind survey using a total survey time of ~100 hrs could detect ~3 VHE blazars, with larger expected numbers for wider/shallower surveys. We also discuss following-up of Fermi blazars. Detectability of VHE blazars in the plane of Fermi flux and redshift is presented, which would be useful for future survey planning. Prospects and strategies are discussed to constrain the extragalactic background light (EBL) by using the absorption feature of brightest blazar spectra, as well as cut-offs in the redshift distribution. We will be able to get useful constraints on EBL by VHE blazars at different redshifts ranging 0.3-1 TeV corresponding to z=0.10-0.36.
description: 11 pages, 11 figures, accepted for publication in PASJ