cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Deliverable 3.2: Guidelines for CHIs Digital Transformation
Creators: name: Truyen, Fred
name: Bočytė, Rasa
Publisher: name: Zenodo
Year: 2021
Subjects: CHI
Digital transformation

description: This document presents digital transformation guidelines for cultural heritage institutions (CHIs).
 They situate digital transformation in the context of opening up GLAM collections, inspired by the
 work at Europeana Foundation, the Europeana Aggregators’ Forum and the Europeana Network
 Association. They are based on an in-depth review of the state-of-the-art in self-assessment
 instruments for heritage institutions, of which the inDICEs self-assessment tool is a further evolution,
 taken on board insights and lessons learned from the COVID-19 crisis. The proposed guidelines are centred around four themes: Digital Trends & Participatory Culture, IPR
 for Cultural Heritage, Strategic Skills, Collaborations and organisation growth, and Approaching
 Innovation and Digital Strategies. As a whole, they offer the right mix of ingredients for developing
 digital strategies in CHIs. These guidelines go hand-in-hand with the inDICEs Open Observatory and specifically the
 Self-Assessment Tool, which will enable institutions to continuously assess and adjust their activities.
 Additionally, an instructional Open Online Course (MOOC) will be developed to train professionals in
 optimal use of the tools to develop and sustain an effective digital strategy for their organisation.
description: This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No 870792.
The geometry of modified Riemannian extensions
Creators: name: Calvino-Louzao, E.
name: Garcia-Rio, E.
name: Gilkey, P.
name: Vazquez-Lorenzo, R.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 53C50; 53B30

description: We show that every paracomplex space form is locally isometric to a modified Riemannian extension and give necessary and sufficient conditions so that a modified Riemannian extension is Einstein. We exhibit Riemannian extension Osserman manifolds of signature (3,3) whose Jacobi operators have non-trivial Jordan normal form and which are not nilpotent. We present new four dimensional results in Osserman geometry.
Tunable anisotropic nonlinearity in superconductors with asymmetric antidot array
Creators: name: Aladyshkin, A. Yu.
name: Van de Vondel, J.
name: Silva, C. C. de Souza
name: Moshchalkov, V. V.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: The influence of the spatial asymmetry of the pinning potential on the spectral composition of the voltage, induced in perforated superconducting Al bridges by the injection of a sinusoidal bias current, was investigated. The loss of the mirror symmetry of the pinning potential leads to the appearance of even Fourier components in the induced voltage in the vicinity of the superconducting phase transition line on the H-T diagram (H is the external magnetic field, T is temperature). Artificially-introduced asymmetry for vortex motion makes it possible to create low-resistive materials, in which nonlinearity depends on the direction of injected electrical currents.
description: 5 pages, 10 figures
Imposition and disposition : paintings : M.F.A. submission
Creators: name: Bennett, Anne
Publisher: name: University Of Tasmania
Year: 2023

description: The impetus of my work stems from ideas about the myths surrounding \witches\" and the phenomenon of \"witch hunts\" and the traditions of masks. Shrouded in mystery superstition and fear some such people whose behaviour is deemed 'different' and subsequently threatening have been seen as 'witches' - as 'others'. \"Witch figures of various types whatever their sex or function share characteristics which make them out not only as abnormal but also frightening\". (John Widdowson The Witch Figure) The fiction of 'witch' in which 'suspected' people are encased is fabricated. Elements of empirical reality are interpreted re-interpreted and mis-interpreted in respect of the beholders own social ideological and emotional needs often in order to validate a position of authority invested with the 'moral' 'natural' right and obligation to dominate to implement punishment of and to irradicate such 'possessed' beings. Repeatedly throughout the course of civilization masks have been attributed the power to transform an individual into another being personify the supernatural and deities; in effect to dissimilate and depersonify the person behind. I am interested in the use of masks and masquerade; and the notion that not only can someone don a mask in order to disguise (protect) his/her identity but that we can also mask and transform the reality of a person in order to assuage our own needs. The way in which we perceive things I believe is largely predetermined by our experiences expectations and feelings. I intend to produce a series of paintings (and drawings) which emanate from these concepts. My images will be derived through a process of isolating and exaggerating elements of figurative images juxtaposing such segments with one another and perhaps by also layering and uncovering areas in order to construct a 'new' whole. Reworking and reshaping representations of people imposing a different distorted identity (an identity containing ambiguity conflict and mystery). Abstraction or the eclipsing of extraneous visual information will be sought to give a directness and potency to my images. I will endeavour to reach an equilibrium between the vestigial suggestiveness of abstraction and the accessibility that literal references provide. I feel the need to use paint and other materials in affirmation of the art making process and in self-acknowledgement of my own fabrications (i.e. painted statements). Not wishing to either depict the 'visible' world or have my work equated with what is 'real' life I pay particular attention to painterly concerns. My first theory paper looks at the feminist art movement since 1970 focusing on the writing of Lucy Lippard. The issues raised move beyond my immediate preoccupations into a more general theoretical arena. In the second paper I would like to deal with issues more central to my work (possibly based on the social theory of magic witches and witch-hunts)."
Synergic mechanism and fabrication target for bipedal nanomotors
Creators: name: Wang, Zhisong
Publisher: name: arXiv
Year: 2009
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Biological Physics (physics.bio-ph)
subject: FOS: Physical sciences

description: Inspired by dimeric motor proteins capable of undergoing transportation in living cells, significant efforts have been expended to the fabrication of track-walking nanomotors possessing two foot-like components that each can bind or detach from an array of anchorage groups on the track in response to local events of reagent consumption. The central problem in fabricating bipedal nanomotors is how the motor as a whole can gain the synergic capacity of directional track-walking, given the fact that each pedal component alone often is incapable of any directional drift. Implemented bipedal motors to date solve this thermodynamically intricate problem by an intuitive strategy that requires a hetero-pedal motor, multiple anchorage species for the track, and multiple reagent species for motor operation. Here we presented a detailed molecular mechanism by which motor-level directionality arises from a homo-pedal motor along a minimally heterogeneous track. Optimally, the operation may be reduced to a random supply of a single species of reagents to allow the motor's autonomous functioning. The mechanism suggests a distinct class of fabrication targets of drastically reduced system requirements. Intriguingly, a defective form of the mechanism falls into the realm of the well known Brownian motor mechanism, yet distinct features emerge from the normal working of the mechanism.
description: 6 printed pages
Two-body scattering in a trap and a special periodic phenomenon sensitive to the interaction
Creators: name: He, Yanzhang
name: Bao, Chengguang
Publisher: name: arXiv
Year: 2010
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: Two-body scattering of neutral particles in a trap is studied theoretically. The control of the initial state is realized by using optical traps. The collisions inside the trap occur repeatedly; thereby the effect of interaction can be accumulated. Two periodic phenomena with a shorter and a much longer period, respectively, are found. The latter is sensitive to the interaction. Instead of measuring the differential cross section as usually does, the measurement of the longer period and the details of the periodic behavior might be a valid source of information on weak interactions among neutral particles.
description: 5 pages, 5 figures
Understanding the Aoki phase
Creators: name: Azcoiti, V.
name: Di Carlo, G.
name: Follana, E.
name: Vaquero, A.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: The vacuum structure of QCD with two degenerated flavours of Wilson fermions is discussed by means of the p.d.f. (probability distribution function) formalism. Under certain assumptions, either new phases related to Aoki's appear, characterized by a non-vanishing expectation value of the condensate $i\barψ_uγ_5ψ_u + i\barψ_dγ_5ψ_d$, enriching the standard picture of the QCD vacuum structure with Wilson fermions; or the eigenvalues of the Dirac-Wilson operator must comply with a non-trivial, infinite set of sum rules, enforcing the currently accepted structure of the Aoki vacuum. The same scenario is analyzed using the Ginsparg-Wilson regularization. In this case, the absence of any parity and/or flavour breaking phase is proved for a non-zero value of the fermion mass.
description: 7 pages, no figures, to be published in PoS(Lattice'09)
A dendroclimatological investigation of Phyllocladus aspleniifolius (Labill.) Hook. f.
Creators: name: Allen, KJ
Publisher: name: University Of Tasmania
Year: 2023

description: A network of fifteen Phyllocladus aspleniifolius (Celerytop Pine) chronologies for Tasmania, Australia, is developed. These sites effectively form north-south and east-west transects across the state, ranging in elevation from sea level to 850m above sea level. Crossdating is established between sites spread across the state, indicating the existence of a common broadscale control mechanism. The growth response to a number of climatic variables, including maximum and minimum temperature, precipitation, zonal and meridional indices, and the . Southern Oscillation Index is investigated. The most prominent features of the response functions produced for these variables are a consistency across sites in their response, especially so for northern sites, and a significant and negative correlation with prior growing season temperatures. High frequency variability in the quasibiennial range dominates the spectra of ring width series and is investigated in an attempt to determine whether it contains statistically significant climate information. Strong evidence for the influence of a climatic factor is not apparent, although the influence of the Zonal Index may be significant. Maximum temperature, the variable most consistently and most strongly correlated with ring widths, is used as the basis for climatic reconstruction on time scales greater than 2 years. Attempts to reconstruct climate by the more traditional technique of principal components regression were unsatisfactory, with insufficient variance due to climate being explained. Structural time series analysis is adapted for dendroclimatic reconstruction and some improvements in models result. The structural time series reconstructions show some differences between different regions of the state over the twentieth century which apparently did not exist in the previous century. While these reconstructions approximately trace the trend of increasing temperatures indicated by high altitude Lagarostrobos franklinii (Huon Pine) and instrumental records over the past century, there remain some significant differences in reconstructions from the two species. Different optimal temperatures for photosynthesis associated with elevational differences of sites are consistent with these differences. In large part, the limitations revealed through an examination of climate response of this species, and through the development of models for climatic reconstruction, relate to physiological questions concerning the species and point to a need for more detailed investigation of physiological aspects of species used for dendroclimatic work. Such investigations would allow a fuller utilisation of the potential offered by these species, and networks of them, as well as opening the way to a better understanding of resultant climatic reconstructions.
Modeling growth and adaptation in bacteria
Creators: name: Bulović, Ana
Publisher: name: Humboldt-Universität zu Berlin
Year: 2023
Subjects: subject: Stressreaktionen
subject: Escherichia coli
subject: Ressourcenallokation
subject: Regulationsmechanismen
subject: Stress response
subject: Resource allocation
subject: Regulatory mechanisms
subject: 570 Biologie
subject: 005 Computerprogrammierung, Computerprogramme, Daten
subject: 500 Naturwissenschaften und Mathematik
subject: WD 9200
subject: WF 9745
subject: WF 5200

description: Bakterielle Wirte wie Escherichia coli dienen der Produktion industrieller rekombinanter Proteine. Dieser Prozess verursacht systemischen Stress und führt zu umfangreichen Veränderungen in mRNA- und Proteinexpression. In meiner Arbeit analysiere ich Regulationsmechanismen der zellulären Reaktion auf diesen Stress. Zudem untersuche ich die zelluläre Ressourcenallokation mittels eines stationären Ganzzellmodells von E. coli, basierend auf der Resource Balance Analysis. Das Modell berücksichtigt Kosten zellulärer Prozesse und Einschränkungen wie Energie, Effizienz und Raum. Es unterstützt die Experimentplanung in der Bioproduktion. Weiterhin habe ich an der Entwicklung von RBApy mitgewirkt, einer Software zur Erstellung und Simulation von RBA-Modellen. Schließlich entwickle ich ein Modell zur Untersuchung der Regulation von Stressreaktionen durch die Tendenz der Zelle, wachstumsoptimale Ressourcenstrategien anzuwenden. Das Modell berücksichtigt zelluläre Beschränkungen und zeigt, dass die erhaltene Stressreaktion der experimentell ermittelten Reaktion ähnelt. Die Integration von Ressourcenzuteilung in Zellmodelle ermöglicht Einsichten in regulatorische Ereignisse und Anpassungen während der Bioproduktion, was zur Optimierung der rekombinanten Proteinexpression in Escherichia coli beiträgt.
description: Bacterial hosts such as Escherichia coli are used for the production of industrial recombinant proteins. This process causes systemic stress and leads to extensive changes in mRNA and protein expression. In my work, I analyze regulatory mechanisms of the cellular response to this stress. In addition, I investigate cellular resource allocation using a steady-state whole-cell model of E. coli based on resource balance analysis. The model accounts for costs of cellular processes and constraints such as energy, efficiency, and space. It supports experiment design in bioproduction. Furthermore, I contributed to the development of RBApy, a software to create and simulate RBA models. Finally, I developed a model to study the regulation of stress responses by the tendency of the cell to adopt growth-optimal resource strategies. The model accounts for cellular constraints and shows that the obtained stress response resembles the experimentally determined response. Integrating resource allocation into cell models provides insights into regulatory events and adaptations during bioproduction, which contributes to the optimization of recombinant protein expression in Escherichia coli.
Chloroplast continuity during the formation of the tetraspore in antithamnion subulatum
Creators: name: Burton, Arthur Hugh Scott
Publisher: name: University of British Columbia
Year: 2011

description: The development of the tetrasporangium of Antithamnion subulatum (Harvey) J.G. Agardh was studied using light and electron microscopy in order to elucidate the origin of proplastids, and the continuity of chloro-plasts during the production of the tetraspore. The results show that proplastids arise through a "blebbing" process of the mature chloroplasts.This results in the production of proplastids which are identical to those found free in the cytoplasm of the tetra-sporangial mother cell, and are in most respects similar to proplastids observed by others in the apical regions of other red algae. The inclusion of a single DNA-containing genophore within the forming proplastids strongly suggests that each of the scattered genophores in the mature chloroplasts contains at least one complete genome. Division of mature chloroplasts was not seen within the tetra-sporangial mother cell or the tetrasporangial initial. However, within the young tetrasporangium the mature chloroplasts appear to undergo several simultaneous divisions resulting in numerous smaller discoid plastids. It is these plastids which, through a succession of growth and division phases, make the major contribution to the continuity of chloroplasts in the formation of the tetraspore, rather than the proplastids which have been produced in low numbers throughout its development. The colourless nature of the young tetrasporangium is not due to the presence of a high concentration of proplastids, but rather is related to the high frequency of chloroplast division, resulting in membrane production being much more rapid than phycobilisome formation.
Magnetic properties of RFe$_2$Zn$_{20}$ and RCo$_2$Zn$_{20}$(R = Y, Nd, Sm, Gd - Lu)
Creators: name: Jia, Shuang
name: Ni, Ni
name: Bud'ko, S. L.
name: Canfield, P. C.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Magnetization, resistivity and specific heat measurements were performed on single crystals of RFe$_2$Zn$_{20}$ and RCo$_2$Zn$_{20}$(R = Y, Nd, Sm, Gd - Lu). Whereas LuCo$_2$Zn$_{20}$ and YCo$_2$Zn$_{20}$ manifest unremarkable, metallic behavior, LuFe$_2$Zn$_{20}$ and YFe$_2$Zn$_{20}$ manifest behaviors characteristic of nearly ferromagnetic Fermi liquids. When the well defined $4f$ local moments (Gd$^{3+}$ - Tm$^{3+}$) were embedded into this strongly polarizable host, they all manifest enhanced, ferromagnetic ordering and the values of $T_{\mathrm{C}}$ for RFe$_2$Zn$_{20}$ (R = Gd - Tm) scale with the de Gennes factor. In addition, the data on the RFe$_2$Zn$_{20}$ compounds indicate a small crystal electronic field (CEF) effect, compare with the interaction energy scale. On the other hand, the local moment bearing members of RCo$_2$Zn$_{20}$ (R = Nd, Sm, Gd - Tm) manifest weak magnetic interactions and the magnetic properties for R = Dy - Tm members are strongly influenced by the CEF effect on the R ions. The magnetic anisotropy and specific heat data for the Co series were used to determine the CEF coefficient of R ion in the cubic coordination. These CEF coefficients, determined for the Co series, are consistent with the magnetic anisotropy and specific heat data for the Fe series, which indicates similar CEF effects for the Fe and Co series. Such analysis, combined with specific heat and resistivity data, indicates that for R = Tb - Ho, the CEF splitting scale is smaller than their $T_{\mathrm{C}}$ values, whereas for ErFe$_2$Zn$_{20}$ and TmFe$_2$Zn$_{20}$ the $4f$ electron loses part of its full Hund's rule ground state degeneracy above $T_{\mathrm{C}}$. YbFe$_2$Zn$_{20}$ and YbCo$_2$Zn$_{20}$ manifest typical, but distinct heavy Fermion behaviors associated with different Kondo temperatures.
description: 48 pages, 44 figures
Multiwavelength optical observations of two chromospherically active binary systems: V789 Mon and GZ Leo
Creators: name: Gálvez, M. C.
name: Montes, D.
name: Fernández-Figueroa, M. J.
name: De Castro, E.
name: Cornide, M.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: This paper describes a multiwavelengh optical study of chromospheres in two X-ray/EUV selected active binary stars with strong H_alpha emission, V789 Mon (2RE J0725-002) and GZ Leo (2RE J1101+223). The goal of the study is to determine radial velocities and fundamental stellar parameters in chromospherically active binary systems in order to include them in the activity-rotation and activity-age relations. We carried out high resolution echelle spectroscopic observations and applied spectral subtraction technique in order to measure emission excesses due to chromosphere. The detailed study of activity indicators allowed us to characterize the presence of different chromospheric features in these systems and enabled to include them in a larger activity-rotation survey. We computed radial velocities of the systems using cross correlation with the radial velocity standards. The double-line spectral binarity was confirmed and the orbital solutions improved for both systems. In addition, other stellar parameters such as: spectral types, projected rotational velocities (vsini), and the equivalent width of the lithium LiI 6707.8 AA absorption line were determined.
description: Latex file with 18 pages, 10 figures. Available at http://www.ucm.es/info/Astrof/invest/actividad/actividad_pub.html Accepted for publication in: Astronomical Journal (AJ)
Hobbyist Beekeepers and Their Importance for Future Beekeeping and Food Production
Creators: name: Maciejovsky, Boris
name: Baer-Imhoof, Barbara
name: Baer, Boris
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Environmental Sciences not elsewhere classified
subject: Ecology
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Inorganic Chemistry
subject: FOS: Chemical sciences
subject: Science Policy

description: Hobbyist Beekeepers and Their Importance for Future Beekeeping and Food Production
Beyond flesh : an investigation into the representation of the human body that exists beyond the boundaries of the 'normal'
Creators: name: Chick, SM
Publisher: name: University Of Tasmania
Year: 2023

description: This exegesis examines, and defines, the visual representation of the human body within the framework of particular fantasy idioms. It also decodes the ideologies supporting these representations. It is the continuation of an artistic program exploring contemporary ideas on the status of the body. It initially concentrates on sub-cultural modes of expression that have emerged over the last two decades, specifically the rhetoric of American and Japanese cyberpunk, the cyborg, and Japanese animation (Manga). Within these arenas, the focus is upon the representation of the female form, and how visual codes within the set mediums, express anxieties towards the generative power of women. The central focus of the cyber ethic is the desire to regard the body as redundant, particularly with consideration to the latest developments in science and medical engineering, and the increasing worldwide interaction with cyberspace; a two dimensional plane where only consciousness is required - true to the dualist tradition. American and Japanese cyberpunk have developed distinctly generic characteristics, resulting in a bizarre variety of visual representations of the desired human form for the next millennium. Both mediums, however, dominated by male artists and theorists, provide abundant examples of the difficulties posed by the female form. If, as American cyberpunk suggests, the way of the future is to abandon our inept mortal identities and download our consciousness, then it follows that the presence of a female parthenogenetic entity is problematic to this creationist ideology. The characters who inhabit cyber fiction are unrepentantly bland and two dimensional. Ultimately, the result of the cyber enthusiasts' encompassing penchant for denial and negation of the physical is a selective ideology that reflects the ideals of its creators. They continue to perpetrate a dualist tradition, exchanging the experience of the flesh for a more responsive and pliable package, devoid of the challenges of sexual difference and power. Their configuration is a depthless future, where fantasy has lost all traces of real experience. This thesis challenges cyber ideology, by presenting the forgotten elements of its dialogue; realisations of the missing links and aestheticised fears of a fantasised new world.
Manipulation of Majorana fermion, Andreev reflection and Josephson current on topological insulators
Creators: name: Tanaka, Yukio
name: Yokoyama, Takehito
name: Nagaosa, Naoto
Publisher: name: arXiv
Year: 2009
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We study theoretically charge transport properties of normal metal (N) / ferromagnet insulator (FI) / superconductor (S) junction and S/FI/S junction formed on the surface of three-dimensional topological insulator (TI), where chiral Majorana mode (CMM) exists at FI/S interface. We find that CMM generated in N/FI/S and S/FI/S junctions are very sensitively controlled by the direction of the magnetization ${\bm m}$ in FI region. Especially, the current-phase relation of Josephson current in S/FI/S junctions has a phase shift neither 0 nor $π$, which can be tuned continuously by the component of ${\bm m}$ perpendicular to the interface.
Linear high-resolution schemes for hyperbolic conservation laws: TVB numerical evidence
Creators: name: Bona, C.
name: Bona-Casas, C.
name: Terradas, J.
Publisher: name: arXiv
Year: 2008
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: The Osher-Chakrabarthy family of linear flux-modification schemes is considered. Improved lower bounds on the compression factors are provided, which suggest the viability of using the unlimited version. The LLF flux formula is combined with these schemes in order to obtain efficient finite-difference algorithms. The resulting schemes are applied to a battery of numerical tests, going from advection and Burgers equations to Euler and MHD equations, including the double Mach reflection and the Orszag-Tang 2D vortex problem. Total-variation-bounded behavior is evident in all cases, even with time-independent upper bounds. The proposed schemes, however, do not deal properly with compound shocks, arising from non-convex fluxes, as shown by Buckley-Leverett test simulations.
description: Revised version, including new tests to appear in Journal of Computational Physics
Application of Low Cost RTK GPS Module for Precise Geotagging using Smartphone
Creators: name: Dedi Atunggal
name: Nuaim Hamad Ausi
name: Ma'ruf, Bilal
name: Catur Aries Rokhmana
Publisher: name: figshare
Year: 2021
Subjects: subject: 90999 Geomatic Engineering not elsewhere classified
subject: FOS: Environmental engineering

description: Low cost GPS modul has been widely used in various application in the last few years. Its early development came in parallel with the advancement of Unmanned Aerial Vehicle (UAV) technology. Nowadays, It is also used in Unmanned Surface Vehicle (USV) technology, platform/structure stability monitoring system, surveying and mapping, etc. Low cost GPS modul offers various features of global positioning system, including Standard Positioning Service (SPS), static post processed positioning and Real Time Kinematic (RTK) GPS. This paper highlight the application of external low cost RTK GPS module for precise geotagging using smartphone. Result of experiment shows that this system is potentially applicable to census or data collection activities in densely populated areas.
Epicyclic oscillations of non-slender fluid tori around Kerr black holes
Creators: name: Straub, O.
name: Sramkova, E.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Considering epicyclic oscillations of pressure-supported perfect fluid tori orbiting Kerr black holes we examine non-geodesic (pressure) effects on the epicyclic modes properties. Using a perturbation method we derive fully general relativistic formulas for eigenfunctions and eigenfrequencies of the radial and vertical epicyclic modes of a slightly non-slender, constant specific angular momentum torus up to second-order accuracy with respect to the torus thickness. The behaviour of the axisymmetric and lowest-order ($m=\pm 1$) non-axisymmetric epicyclic modes is investigated. For an arbitrary black hole spin we find that, in comparison with the (axisymmetric) epicyclic frequencies of free test particles, non-slender tori receive negative pressure corrections and exhibit thus lower frequencies. Our findings are in qualitative agreement with the results of a recent pseudo-Newtonian study of analogous problem defined within the Paczy{ń}ski-Wiita potential. Implications of our results on the high-frequency QPO models dealing with epicyclic oscillations are addressed.
description: 24 pages, 8 figures
Properties of KCo$_2$As$_2$ and Alloys with Fe and Ru: Density Functional Calculations
Creators: name: Singh, D. J.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Electronic structure calculations are presented for KCo$_2$As$_2$ and alloys with KFe$_2$As$_2$ and KRu$_2$As$_2$. These materials show electronic structures characteristic of coherent alloys, with a similar Fermi surface structure to that of the Fe-based superconductors, when the $d$ electron count is near six per transition metal. However, they are less magnetic than the corresponding Fe compounds. These results are discussed in relation to superconductivity.
description: 5 pages
XR Use Cases in Container Handling Machines
Creators: name: Yli-Paunu, Pekka
Publisher: name: Zenodo
Year: 2023

description: AR can be used to provide operators with real-time visualization of important information, such as container positions and weight distribution. This can help operators make more informed decisions and work more efficiently and safely. VR and AR can be used to customize the user interface of container-handling machines to meet the specific needs of individual operators. VR and AR visualizations can help operators and maintenance teams monitor machine performance and identify potential issues before they become major problems. AR can be used to provide remote assistance to operators in the field.VR can be used to provide simulation-based training to operators, allowing them to practice operating the machines in a realistic virtual environment.
29 Glitches Detected at Urumqi Observatory
Creators: name: Yuan, J. P.
name: Wang, N.
name: Manchester, R. N.
name: Liu, Z. Y.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Glitches detected in pulsar timing observations at the Nanshan radio telescope of Urumqi Observatory between 2002 July and 2008 December are presented. In total, 29 glitches were detected in 19 young pulsars, with this being the first detection of a glitch in 12 of these pulsars. Fractional glitch amplitudes range from a few parts in 10^{-11} to 3.9 x 10^{-6}. Three "slow" glitches are identified in PSRs J0631+1036, B1822-09 and B1907+10. Post-glitch recoveries differ greatly from pulsar to pulsar and for different glitches in the same pulsar. Most large glitches show some evidence for exponential post-glitch recovery on timescales of 100 -- 1000 days, but in some cases, e.g., PSR B1758-23, there is little or no recovery. Beside exponential recoveries, permanent increases in slowdown rate are seen for the two large glitches in PSRs B1800-21 and B1823-13. These and several other pulsars also show a linear increase in nudot following the partial exponential recovery, which is similar to the Vela pulsar post-glitch behaviour. Analysis of the whole sample of known glitches show that fractional glitch amplitudes are correlated with characteristic age with a peak at about 10^5 years, but there is a spread of two or three orders of magnitude at all ages. Glitch activity is positively correlated with spin-down rate, again with a wide spread of values.
description: 17 pages, 29 figures, 4 tables; accepted by MNRAS
AXBOROTLASHGAN TA'LIM MUHITIDA "DAVLAT VA HUQUQ ASOSLARI" FANINI O'QITISHNING INTЕGRATIV TЕXNOLOGIYASI
Creators: name: Ichki ishlar vaziri Buxoro akademik litseyi  Davlat va huquq asoslari fani o'qituvchisi Bahronov Behruz Bo'ri o'g'li
Publisher: name: Zenodo
Year: 2024

description: Davlat Ta'limida  axborot texnologiyalari ommalashib borayotgan bir paytda har bir fan o'qituvchilari o'z fanini zamonaviy metodlar asosida yoshlarga yetkazib berishga astoydil harakat qilmoqdalar. "Davlat va huquq asoslari fani" ham zamonaviy texnologiyalar asosida o'rgatilishi bu fanning yaxshi egallanishiga sababchi bo'lishi shubhasizdir. Ushbu maqolada axborotlashgan ta'lim muhitida "Davlat va huquq asoslari" fanini o'qitishning intеgrativ tеxnologiyasi xususida so'z yuritildi.

Kalit so'zlar: axborot texnologiyalari; huquq; qonun ustuvorligi; integrativ texnologiya; zamonaviy ta'lim; huquqiy sharoit
Carbon and nitrogen transformations in some forest floors
Creators: name: Lacelle, Larry E. H.
Publisher: name: University of British Columbia
Year: 2011

description: An incubation technique was used to examine carbon mineralization and inorganic nitrogen accumulation in samples of Douglas-fir and alder forest floors developed over soils derived from granitic, ultrabasic and limestone parent materials in western British Columbia and Washington. Samples included L, F, and H or Hi horizons of Douglas-fir mor, raw moder, mull-like moder and mull forest floors and alder typical moder forest floors. Carbon dioxide production by the forest floor materials provided an estimate of gross carbon mineralization and an approximate indication of gross nitrogen mineralization. Comparison of inorganic nitrogen accumulated and gross carbon mineralized indicated that a large fraction of the mineralized inorganic nitrogen is immobilized by the microbial population and (or) lost to denitrification. The Hi horizons (organic horizons containing considerable incorporated mineral matter) accumulated more inorganic nitrogen than did the L and F horizons. Alder forest floors accumulated more inorganic nitrogen than did Douglas-fir forest floor materials. Alder L horizons tended to accumulate ammonium nitrogen while the F and Hi horizons accumulated nitrate nitrogen. Douglas-fir mor forest floors were distinguished from their mull and moder counterparts by slower decomposition and less inorganic nitrogen accumulation, and by largely accumulating ammonium nitrogen in all horizons. Irregular nitrogen accumulation curves, for some samples of Douglas-fir L and F horizons were probably due to denitrification losses. Incubation conditions favoring nitrification, with no plant sinks to remove accumulated inorganic nitrogen, may have favored denitrification losses.
Untitled Item
Creators: name: Dedi Atunggal
name: Nuaim Hamad Ausi
name: Ma'ruf, Bilal
name: Catur Aries Rokhmana
Publisher: name: figshare
Year: 2021
Subjects: subject: 90999 Geomatic Engineering not elsewhere classified
subject: FOS: Environmental engineering

description: Low cost GPS modul has been widely used in various application in the last few years. Its early development came in parallel with the advancement of Unmanned Aerial Vehicle (UAV) technology. Nowadays, It is also used in Unmanned Surface Vehicle (USV) technology, platform/structure stability monitoring system, surveying and mapping, etc. Low cost GPS modul offers various features of global positioning system, including Standard Positioning Service (SPS), static post processed positioning and Real Time Kinematic (RTK) GPS. This paper highlight the application of external low cost RTK GPS module for precise geotagging using smartphone. Result of experiment shows that this system is potentially applicable to census or data collection activities in densely populated areas.
An examination of experiences of mothers of children with Down syndrome : a two country comparison
Creators: name: Allahyari, T
Publisher: name: University Of Tasmania
Year: 2023

description: The focus of this study is the experiences of mothers of children with Down syndrome (Ds) and the provision of social services for their children and their families. Children with Ds have a range of physical and intellectual differences. This study examined the living conditions and quality of life of children with Ds based on mothers' perceptions about social services and their experiences of having a child with Ds. A two-country comparison of the differences in the availability of resources such as social services was made. The areas of health and education were selected as primary social services. The nature of the problem prompted a qualitative, interpretive approach to the study through the use of case studies, interviews and survey methods to produce practical solutions to the problem. The sample consisted of 68 mothers of children with Ds, who experienced the difficulties of raising their children. Data were coded by NUDIST to produce the headings: family, services, mothers' perceptions, and satisfaction with services. Descriptive analysis indicated four main areas determining the living conditions of children with Ds and their unmet needs. The findings of the study revealed that there are major barriers preventing children with Ds from achieving a normal life. These barriers included the negative attitudes of health and education professionals; a lack of accurate information about Down syndrome; inappropriate social services; the current practices of informing mothers about their child's diagnosis; and difficulty in accessing information about Down syndrome and social services. As a result, it is suggested that there is a need for a new understanding about Ds, which requires re-education and up-to-date information for health and education professionals, mothers, and society in general. Clearly, the range and quality of social service programs offered by authorities in the Ministries of Health and Education in both Australia and Iran need to be reviewed. The conclusion drawn from the examination of experiences of mothers in Australia and Iran indicated that contrary to the literature, mothers' emotional problems are not natural feelings and could be prevented if professionals changed the traditional way of pointing out the negatives, and instead, emphasise the potential and possibilities of a child with Ds. The research generated a background report for the Australian and Iranian Ministries of Health and Education with the intention of contributing to an improved quality of life for children with Ds.
An analytic model of the stereodynamics of rotationally inelastic molecular collisions
Creators: name: Lemeshko, Mikhail
name: Friedrich, Bretislav
Publisher: name: arXiv
Year: 2009
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Atomic and Molecular Clusters (physics.atm-clus)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We develop an analytic model of vector correlations in rotationally inelastic atom-diatom collisions and test it against the much examined Ar--NO ($\mathbf X^2 Π$) system. Based on the Fraunhofer scattering of matter waves, the model furnishes complex scattering amplitudes needed to evaluate the polarization moments characterizing the quantum stereodynamics. The analytic polarization moments are found to be in an excellent agreement with experimental results and with close-coupling calculations available at thermal energies. The model reveals that the stereodynamics is governed by diffraction from the repulsive core of the Ar--NO potential, which can be characterized by a single Legendre moment.
description: 4 pages, 4 figures, 1 table
Preservative distribution in emulsions
Creators: name: Kazmi, Syed Jamshed Ali
Publisher: name: University of British Columbia
Year: 2011

description: Until recently, evaluation of the effectiveness of preservatives in emulsified systems has depended largely on time-consuming microbiological techniques. Mathematical models have now been developed which enable the amount of preservative necessary for adequate preservation to be calculated. Determination of the physico-chemical parameters for these models is again a time-consuming process, especially where complex emulsions are involved. In the present work a three-chambered dialysis method has been investigated. Using this method it is possible to determine the concentration of preservative in the various phases of an emulsion and thus the total concentration required for adequate preservation. Various factors affecting the distribution of preservatives between oil and water and the interaction between preservatives and surfactant are discussed. These factors are then related to the problem of the distribution of a preservative in an oil in water emulsion system. Methodology used to evaluate the various physico-chemical parameters is reviewed and equations for representing the results are discussed. The distribution of benzoic acid between peanut oil and water and mineral oil and water systems was studied over a wide concentration range. The interaction of benzoic acid with aqueous solutions of the nonionic surfactant cetomacrogol was studied using solubility and equilibrium dialysis techniques. The interaction of various other preservatives with aqueous solutions of the nonionic surfactant cetomacrogol was examined. A comparison was made of various methods of expressing this interaction. It is suggested that the Scatchard equation is the most satisfactory equation for describing the binding data. Binding parameters determined from a Scatchard plot in the concentration range of free preservative appropriate for antimicrobial activity were used to calculate the total concentration of preservative required in the surfactant solution. A three-chambered dialysis cell was used to estimate the distribution of benzoic acid between the oil phase and the aqueous phase of oil in water emulsions containing peanut oil or mineral oil. The method also differentiates between preservative bound, or solubilized, by the surfactant and free in the aqueous phase. The distribution data was plotted on a three-dimensional graph from which the total concentration of preservative needed to provide a given free concentration in the aqueous phase can be determined. Results from the dialysis method agree closely with those calculated using mathematical models for preservative distribution. Hence the three-chambered dialysis method provides a relatively simple direct method of determining the required preservative concentration without recourse to mathematical models.
Iodine distribution in the Australian sector of the Southern Ocean and its relation to new production and water masses
Creators: name: BrandavÉvâo, Ana ClavÉvÖudia
Publisher: name: University Of Tasmania
Year: 2023

description: The distribution of iodate and iodide was studied in seawaters from the Australian sector of the Southern Ocean and Antarctic coastal waters. Most samples were collected along the WOCE repeat section SR3, from Tasmania to Antarctica, during one winter and two summer cruises. Two other transects were also sampled, the WOCE S4 (Australian sector) and the Princess Elizabeth Trough. Iodide was determined directly by matrix-elimination ion chromatography with post-column reaction detection using a new method developed for this work. The detection limit of the method was about 6 nM, with a relative standard deviation better than 4 % at 40 nM (n=5). Iodate concentration in surface waters increased from Tasmania to Antarctica, with the most dramatic increase occurring along the Subtropical Front, which separates Subtropical from Subantarctic waters at approximately 46¬¨‚àûS. Iodide concentration in surface waters showed the opposite trend. Iodide concentration in Antarctic surface waters during summer was below 40 nM, with the lowest measured surface concentration of 15 nM, one of the lowest ever recorded for the region. This was the first iodine study ever conducted in the Australian Sector of the Southern Ocean that included samples from Subtropical, Subantarctic and Antarctic regions. Along the SR3 transect, iodate concentration in surface waters decreased from winter (July) to summer (January), presumably due to biological uptake. Differences in iodide concentration during the same period were not observed. Depth-integrated average iodate depletion in surface waters from winter to summer varied from 0.08 mmol m-2 in the Antarctic Zone north of the 64¬¨‚àûS to 2.5 mmol m-2 in the Subtropical Zone. Annual differences were also noticed. As iodate showed good correlation with nitrate in surface waters, depth-integrated iodate depletion was related to carbon production and used, for the first time, to estimate seasonal primary production in different zones within the Southern Ocean. Average estimated seasonal production values estimated from iodate depletion from July to January were: 3,684 mmol C m-2 for the Subantarctic Zone, 696 mmol C m-2 for the Polar Frontal Zone, 496 mmol C m-2 for the Antarctic Zone north of 64¬¨‚àûS, and 2,659 mmol C m-2 for the Antarctic Zone south of 64¬¨‚àûS. These values are within ranges found in the literature. Iodate concentration generally increased from the surface to deep waters. South of 60¬¨‚àûS, however, a decrease in iodate concentration below 1000-m depth was also observed. This decrease is reported here for the first time and was related to the presence of Antarctic Bottom Water (AABW). Iodate concentration in AABW appeared to be significantly smaller than iodate concentration in the Circumpolar Deep Water above and it is suggested that iodate could perhaps be used as an independent tracer of AABW inside the Australian Antarctic Basin.
Additional file 2 of Use of latent profile analysis and k-means clustering to identify student anxiety profiles
Creators: name: Liu, Fang
name: Yang, Dan
name: Liu, Yueguang
name: Zhang, Qin
name: Chen, Shiyu
name: Li, Wanxia
name: Ren, Jidong
name: Tian, Xiaobin
name: Wang, Xin
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Science Policy

description: Additional file 2. Univariate analysis of different latent profiles of anxiety students
Local symmetries in gauge theories in a finite-dimensional setting
Creators: name: Forger, Michael
name: Soares, Bruno L.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences
subject: 70S10, 70S15, 22A22

description: It is shown that the correct mathematical implementation of symmetry in the geometric formulation of classical field theory leads naturally beyond the concept of Lie groups and their actions on manifolds, out into the realm of Lie group bundles and, more generally, of Lie groupoids and their actions on fiber bundles. This applies not only to local symmetries, which lie at the heart of gauge theories, but is already true even for global symmetries when one allows for fields that are sections of bundles with (possibly) non-trivial topology or, even when these are topologically trivial, in the absence of a preferred trivialization.
description: 23 pages