cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Sweeping Away the Mysteries of Dusty Continuous Winds in AGN
Creators: name: Keating, S. K.
name: Everett, J. E.
name: Gallagher, S. C.
name: Deo, R. P.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: An integral part of the Unified Model for Active Galactic Nuclei (AGNs) is an axisymmetric obscuring medium, which is commonly depicted as a torus of gas and dust surrounding the central engine. However, a robust, dynamical model of the torus is required in order to understand the fundamental physics of AGNs and interpret their observational signatures. Here we explore self-similar, dusty disk-winds, driven by both magnetocentrifugal forces and radiation pressure, as an explanation for the torus. Using these models, we make predictions of AGN infrared (IR) spectral energy distributions (SEDs) from 2-100 microns by varying parameters such as: the viewing angle; the base column density of the wind; the Eddington ratio; the black hole mass; and the amount of power in the input spectrum emitted in the X-ray relative to that emitted in the UV/optical. We find that models with N_H,0 = 10^25 cm^-2, L/L_Edd = 0.1, and M_BH >= 10^8 Msun are able to adequately approximate the general shape and amount of power expected in the IR as observed in a composite of optically luminous Sloan Digital Sky Survey (SDSS) quasars. The effect of varying the relative power coming out in X-rays relative to the UV is a change in the emission below ~5 micron from the hottest dust grains; this arises from the differing contributions to heating and acceleration of UV and X-ray photons. We see mass outflows ranging from ~1-4 Msun/yr, terminal velocities ranging from ~1900-8000 km/s, and kinetic luminosities ranging from ~1x10^42-8x10^43 erg/s. Further development of this model holds promise for using specific features of observed IR spectra in AGNs to infer fundamental physical parameters of the systems.
description: 29 pages, 14 figures, accepted for publication in the Astrophysical Journal
The role of UCH-L1 in mouse progenitor spermatogonia
Creators: name: Alpaugh, Whitney
Publisher: name: Graduate Studies
Year: 2016
Subjects: subject: Biology--Cell
subject: Spermatogonia
subject: UCH-L1
subject: Fate decision

description: To maintain fertility throughout the life of the adult male, the spermatogonial stem cell (SSC) population of the testis needs to achieve a balance between self-renewal and differentiation. The chemical, molecular and physical environment that supports this balance of fate decision is not completely understood. The deubiquitinating enzyme Ubiquitin C-terminal Hydrolase L1 (UCH-L1) is highly expressed in spermatogonia, but not in further differentiating germ cells of the testis. Previous studies have shown that UCH-L1 is important for normal spermatogenesis; however, its specific role has not been determined. The experiments in this thesis establish that UCH-L1 is specifically expressed in undifferentiated and early differentiating mouse spermatogonia. Examination of the Uch-l1-/- testis revealed that, as mice age, there is an increase in the number of degenerating tubules as well as a decrease in numbers of differentiating cells in the absence of UCH-L1. A combination of gene expression data and analysis of donor-derived spermatogenesis after transplantation of Uch-l1-/- SSCs to germ celldepleted wild-type recipient testes demonstrated that over time, in the absence of UCHL1, the spermatogonia pool expands at the expense of differentiation. Additionally, RNA sequencing of Uch-l1+/+ and Uch-l1-/- spermatogonia showed that the Uch-l1-/- spermatogonia have a gene expression profile closer to that of undifferentiated spermatogonia than to that of differentiating spermatogonia. Finally, 31 novel binding partners for UCH-L1 were identified in spermatogonia which provides a starting point for identifying the mechanisms through which UCH-L1 acts to affect spermatogonia fate decision.
Circular Progress: Health and Healthcare within Albertan Indian Residential Schools, 1920 - 1950
Creators: name: Larsson, Paula
Publisher: name: Graduate Studies
Year: 2015
Subjects: subject: History--Canadian
subject: History of Science
subject: Indian Residential Schools
subject: Aboriginal History
subject: History of Medicine

description: This study provides a systematic analysis of the physical, mental, emotional, and spiritual health of the pupils in Indian Residential Schools from 1920 – 1950. It focusses on a single province – Alberta – and utilizes an inter-disciplinary approach to understand how the interaction between the biological and the psychosocial conditions of the schools contributed to both immediate and chronic health problems for Aboriginal students. Through an examination of nutrition, sanitation, disease, healthcare interventions, and mental health in the schools, it is seen that any “progress” the Department made in regards to the health of students was circular. Department officials used the inherent flaws in the system of school governance – which gave a few men ultimate power over the living conditions of thousands of children – to circumvent the responsibility they held towards the health of students. The ultimate result was a malnourished and vulnerable student population suffering from endemic disease and psychological trauma.
A Study of Gravitational Lens Chromaticity with the Hubble Space Telescope
Creators: name: Muñoz, José A.
name: Mediavilla, Evencio
name: Kochanek, Christopher S.
name: Falco, Emilio
name: Mosquera, Ana María
Publisher: name: arXiv
Year: 2011
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We report Hubble Space Telescope observations of 6 gravitational lenses with the Advanced Camera for Surveys. We measured the flux ratios between the lensed images in 6 filters from 8140Å to 2200Å. In 3 of the systems, HE0512$-$3329, B1600+434, and H1413+117, we were able to construct UV extinction curves partially overlapping the 2175Å feature and characterize the properties of the dust relative to the Galaxy and the Magellanic Clouds. In HE1104$-$1804 we detect chromatic microlensing and use it to study the physical properties of the quasar accretion disk. For a Gaussian model of the disk $\exp(-r^2/2 r_s^2)$, scaling with wavelength as $r_s \propto λ^p$, we estimate $r_s(\lambda3363)=4^{+4}_{-2}$ ($7\pm 4$) light-days and $p=1.1\pm 0.6$ ($1.0\pm 0.6$) for a logarithmic (linear) prior on $r_s$. The remaining two systems, FBQ0951+2635 and SBS1520+530, yielded no useful estimates of extinction or chromatic microlensing.
description: 31 pages, 12 figures, 4 tables, ApJ submitted
Magnetoplasmon resonance in 2D electron system driven into a zero-resistance state
Creators: name: Hatke, A. T.
name: Zudov, M. A.
name: Watson, J. D.
name: Manfra, M. J.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We report on a remarkably strong, and a rather sharp, photoresistance peak originating from a dimensional magnetoplasmon resonance (MPR) in a high mobility GaAs/AlGaAs quantum well driven by microwave radiation into a zero-resistance state (ZRS). The analysis of the MPR signalreveals a negative background providing experimental evidence for the concept of absolute negative resistance associated with the ZRS. When a system is further subject to a dc field, the maxima of microwave-induced resistance oscillations decay away and a system reveals a state with close-to-zero differential resistance. The MPR peak, on the other hand, remains essentially unchanged, indicating surprisingly robust Ohmic behavior under the MPR conditions.
description: 4 pages, 2 figures; to appear in Phys. Rev. B - Rapid Communications
Cortical Excitability after Mild Traumatic Brain Injury in Children
Creators: name: Seeger, Trevor
Publisher: name: Graduate Studies
Year: 2015
Subjects: subject: Neuroscience
subject: Traumatic Brain Injury
subject: Concussion
subject: mild traumatic brain injury
subject: Transcranial Magnetic Stimulation
subject: Cortical Silent Period
subject: Paediatrics

description: Introduction: Mild traumatic brain injury is frequently complicated by post-concussive syndrome. It is unknown why these symptoms persist, but recent research suggests that cortical excitability may play a role. Objectives: To determine if cortical excitability is different in pediatric mTBI, and if it correlates with symptom persistence. Methods:This was a cross-sectional controlled cohort study. Cortical excitability was measured using a variety of TMS paradigms in children with (symptomatic) and without (asymptomatic) persistent symptoms at one month post injury. The primary outcome measure was the corticalsilent period (cSP) (thought to represent GABAergic inhibition). Results: 57 children with mTBI (44% male; age 14.23 (SD:2.49)) and 28 controls were compared. cSP was similar between groups (F(2, 70)=0.53, p=0.591). There were no other significant group differences in cortical excitability. Conclusions: TMS was well tolerated in children with mTBI. Cortical excitability is similar to normal children at one-month following the injury.
Social science, evidence, and social policy : the role of ideology, and the importance of history
Creators: name: Bateman, Rebecca Belle
Publisher: name: University of British Columbia
Year: 2010

description: Current enthusiasm for evidence-based social policy, which emphasizes the importance of randomized, controlled trials, cost-benefit assessments, and other quantitative methodologies, owes much to earlier periods of history in which social science research was seen as the key to effective policies and programs to combat poverty, homelessness, and welfare dependency. This thesis contributes to the literature on deliberative policy analysis within planning theory by examining the historical context of evidence-based policy, using the history of poverty knowledge in the United States as an example, to illustrate that underlying ways of thinking about the causes of social issues continue to underpin current attempts at addressing them. Two case studies are presented: current approaches to homelessness interventions, and attempts to break up concentrated poverty through the creation of socially mixed residential neighbourhoods. In the case of the former, cost-benefit analysis, originally developed in the 1950s to evaluate weapons systems and later applied to the assessment of social programs, has come to define current discourse about homelessness and how most effectively to deal with it. Social constructions of the “deserving” and “undeserving” poor, nineteenth century concepts, continue to influence the way in which the poor and homeless are viewed. Ideas about the ill effects of the residential concentration of poverty, which also date to the nineteenth century, inform social mix strategies that seek to stop the “cycle of poverty” through re-development into mixed-income neighbourhoods, and through dispersal strategies such as housing vouchers. Any attempt to analyze how evidence informs social policy must take into account the historical context in which decisions are made, and the resilience of the underlying ideological beliefs and assumptions upon which they are based. Researchers need to acknowledge the inherently political nature of the knowledge they produce, and embrace rather than avoid the opportunity to subject their interests and assumptions to scholarly scrutiny and debate. Most importantly, social scientists, through forging closer ties with service providers and their clients, need to recognize and emphasize the value of expertise and knowledge based in practice, and the lived experience of individuals, in the formation and evaluation of social policy.
Panicum haenkeanum J. Presl 1830
Creators: name: Fernando O. Zuloaga
name: Diego Giraldo-Cañas
Publisher: name: Zenodo
Year: 2013
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Liliopsida
Poales
Poaceae
Panicum
Panicum haenkeanum

description: 9-2. Panicum haenkeanum J. Presl,
 Reliq. Haenk. 1 (4-5): 304. 1830. Tipo: México, sin localidad, T. Haenke s.n. (holotipo PR; isotipo US-2808921!, fragmento ex PR).
 Fig. 22
 Plantas perennes. Cañas hasta 150 cm de largo, ramificadas desde la base hasta los nudos medios, desparramadas, decumbentes en la base y con raíces en los nudos inferiores, apoyantes en la vegetación; entrenudos alargados, ca. 1 mm de diámetro, huecos, esparcidamente pilosos; nudos poco conspicuos, glabros. Hojas con vainas más cortas que los entrenudos, esparcidamente pilosas; cuello densamente piloso; lígulas cortamente membranáceo-ciliadas, 0.3-0.5 mm de largo, los cilios 0.2-0.3 mm de largo; láminas linear-lanceoladas a ovadas, 3-15 x 0.3-1.6 cm, aplanadas, hirsutas, angostadas en la base. Inflorescencia terminal, cortamente exerta, panojas ovoides, 7-15 cm de largo, ramifica- ciones solitarias, 3-11 cm de largo, escabrosas, divergentes; espiguillas poco densas en las ramas, dispuestas en pedicelos alargados, flexuosos y capilares. Espiguillas elipsoides, agudas, solitarias, divergentes, 2.2-2.6 mm de largo, esparcidamente pilosas. Gluma inferior ovada, acuminada, 1.1-1.3 mm de largo, ca. ½ del largo de la espiguilla, 3-nervia, amplexicaule, aguda a acuminada. Gluma superior y lema inferior subiguales, 5-nervias, 2.2-2.6 mm de largo, agudas, esparcidamente pilosas, los pelos finos. Pálea inferior ausente o hasta 1 mm de longitud, angosta. Antecio superior elíptico, 1.7-1.8 x 0.7 mm, estramíneo, brillante, liso, glabro, subagudo, sésil. Cariopsis no vista.
 Hábitat y distribución. Panicum haenkeanum se distribuye ampliamente en América, creciendo en ambientes sombríos y húmedos de tierras bajas. En Colombia se conoce sólo de un registro de la región Orinoquia (departamento de Meta).
 Comentario. El número cromosómico de esta especie es 2 n = 20 (Davidse 1994). Una ilustración de esta especie puede encontrarse en Zuloaga (2004).
 Espécimen representativo. Meta: carretera Puerto Gaitán-Planadas, a 4 km de la carretera central, en bosque de galería de la margen derecha del río Manacacías, ca. 150 m, 26 mar 1971, Pinto 1548 (COL).
description: Published as part of Fernando O. Zuloaga & Diego Giraldo-Cañas, 2013, 30. Panicum, pp. 1-107 in Flora de Colombia 30 on page 67, DOI: 10.5281/zenodo.259616
Cologne: A Declarative Distributed Constraint Optimization Platform
Creators: name: Liu, Changbin
name: Ren, Lu
name: Loo, Boon Thau
name: Mao, Yun
name: Basu, Prithwish
Publisher: name: arXiv
Year: 2012
Subjects: subject: Databases (cs.DB)
subject: FOS: Computer and information sciences

description: This paper presents Cologne, a declarative optimization platform that enables constraint optimization problems (COPs) to be declaratively specified and incrementally executed in distributed systems. Cologne integrates a declarative networking engine with an off-the-shelf constraint solver. We have developed the Colog language that combines distributed Datalog used in declarative networking with language constructs for specifying goals and constraints used in COPs. Cologne uses novel query processing strategies for processing Colog programs, by combining the use of bottom-up distributed Datalog evaluation with top-down goal-oriented constraint solving. Using case studies based on cloud and wireless network optimizations, we demonstrate that Cologne (1) can flexibly support a wide range of policy-based optimizations in distributed systems, (2) results in orders of magnitude less code compared to imperative implementations, and (3) is highly efficient with low overhead and fast convergence times.
description: VLDB2012
A Numerical Model of Atomic Relaxation and its Applications
Creators: name: Lee, Boon Quan
Publisher: name: The Australian National University
Year: 2017
Subjects: Atomic relaxation
Auger effect
Monte Carlo
Dirac-Fock method
Fission physics
Isomeric ratio
Medical Physics
S-values
Dose-point kernels
Auger-electron emitters

description: Atomic relaxation is important in many diverse disciplines, from atomic and nuclear physics to medical physics. A Monte Carlo model of the atomic relaxation is presented in this thesis. Atomic transition probabilities are taken from the Evaluated Atomic Data Li- brary (EADL). Transition energies are calculated using the relativistic self-consistent-field Dirac-Fock method for any specified distribution of atomic vacancies. This CPU-intensive computational approach is adopted to account for the effect of spectator vacancies resulting from non-radiative transitions that occur during the atomic relaxation. The shake theory from Carlson and Nestor is adopted to account for simultaneous ionisation of two electrons in the near closed-shell atomic systems. The model has been extensively benchmarked against the best calculations and available experimental data. The model is applicable to the atomic relaxation resulting from inner-shell ionisation for a wide range of atomic numbers, with particular emphasis on radioactive atoms. In addition, the model can be used to study the femtosecond evolution of the atomic relaxation. A novel technique, which combines the atomic-relaxation modelling and a Bayesian statistical approach, has been developed to analyse the perturbation in the charge-state distribution of fission fragments due to the decays of nanosecond isomers. This study is, to the author’s knowledge, the first theoretical attempt to study the effect of isomeric decays on the charge distributions of fission fragments. This technique has been demonstrated to be applicable for the extraction of isomeric ratios in fission fragments. Furthermore, this study has laid the groundwork to hunt for unknown nanosecond isomers that are low-lying excited states of fission fragments. Finally, the impact of adopting a rigorous approach to assess transition energies in the atomic-relaxation modelling on dosimetric evaluation of Auger-electron emitting medical radioisotopes, is also investigated. This study showed that the sub-micrometre dimension is where a realistic Auger-energy spectrum is essential for radiobiological studies of Auger- emitting radioactive or irradiated atoms. Therefore, the Monte Carlo model developed for this thesis can provide significantly improved energy spectra to existing radiobiological models for better research outcomes.
Momentum transport from current-driven reconnection in astrophysical disks
Creators: name: Ebrahimi, F.
name: Prager, S. C.
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: Current-driven reconnection is investigated as a possible mechanism for angular momentum transport in astrophysical disks. A theoretical and computational study of angular momentum transport from current-driven magnetohydrodynamic instabilities is performed. It is found that both a single resistive tearing instability and an ideal instability can transport momentum in the presence of azimuthal Keplerian flow. The structure of the Maxwell stress is examined for a single mode through analytic quasilinear theory and computation. Full nonlinear multiple mode computation shows that a global Maxwell stress causes significant momentum transport.
description: 14 figures; Accepted for publication in ApJ
Factors That Influence 7- and 30-day Readmissions After Heart Failure Hospitalization
Creators: name: Eastwood, Catherine Ann
Publisher: name: Graduate Studies
Year: 2015
Subjects: subject: Epidemiology
subject: Health Care Management
subject: Nursing
subject: FOS: Health sciences
subject: Readmission
subject: Heart Failure
subject: Quality of Care
subject: Avoidability
subject: Frailty
subject: Health record audit

description: Patients with heart failure (HF) frequently return to hospital within days of discharge, yet contributing factors have not been fully explored. Hospitalizations place stress on the patient, family, and healthcare system, and require closer examination to determine potential avoidability and targets for intervention. Thus, current factors that influence readmissions after HF hospitalization in Alberta were examined. A two-phased case-control design was used to compare patients who were readmitted and not readmitted after hospitalization for HF. In Phase One, an 8-year period of hospital discharge abstract data was analyzed. The rate of unplanned all-cause readmission was 6% and 18% within 7 and 30 days respectively after discharge. After risk adjustment for age, sex, and year, all-cause readmission within 7 days after discharge was associated with having kidney disease, and readmission within 30 days was associated with having cancer, pulmonary, liver, and kidney disease. At both time intervals, discharge with homecare services was associated with increased risk of readmission, and discharge from a hospital with HF services was associated with lower risk of readmission. In Phase Two, a health record audit was undertaken for a more detailed examination of factors associated with readmission within 7 days of discharge and potential avoidability. Matched pairs of patients discharged from Calgary hospitals were identified from the Phase One sample. Patients who were frail or had a specialist as attending physician were more likely to be readmitted. Patients who were instructed to see a physician within 1 week of discharge were less likely to be readmitted. Common reasons for readmission included HF then gastrointestinal, other cardiac, and respiratory diagnoses. Almost 60% of readmissions were deemed potentially avoidable based on explicit criteria developed from past research. Several factors were associated with readmission within the 2 time intervals studied. Despite care by specialists and referral to HF clinics, complex frail patients were discharged with unresolved symptoms or inadequate community support. It is important that criteria be developed to screen for frailty, discharge readiness, and to determine avoidability.
Mechanistic Simulation of Solvent-aided Gravity Drainage of Bitumen
Creators: name: Salas Santa, Marta Liliana
Publisher: name: Graduate Studies
Year: 2017
Subjects: subject: Engineering--Chemical
subject: Engineering--Petroleum
subject: Gravity drainage
subject: Solvent-aided processes
subject: Non-isothermal gravity drainage
subject: Isothermal gravity drainage
subject: Scaling oil recovery

description: The injection of solvent is an alternative method for recovering heavy oil and bitumen to reduce the viscosity and density of the bitumen. In this study, solvent assisted thermal gravity drainage is modelled in CMG STARS using propane as the solvent. First, the modeling of thermosphysical properties of bitumen and propane mixture was performed. Then, a highly refined and simple mechanistic model was constructed and validated. The parameters of the model were defined to enable the numerical model for pure mass and heat transfer as well as coupled heat and mass transfer processes. Three mechanistic cases were studied including isothermal gravity drainage, non-isothermal gravity drainage, and solvent-aided non-isothermal gravity drainage. Also, three groups were defined to obtain a better understanding of the effect of the bitumen properties and the relative permeability curves on the drainage process. Group 1 with low initial bitumen viscosity, Group 2 with high initial bitumen viscosity, and for Group 3 with different relative permeability models were studied. Fine grid numerical simulations demonstrated extensive fingering during the drainage process and the need for fine grid numerical simulations to ensure accurate capturing the physics of gravity drainage. Scaling relations were developed to describe the rate of oil drainage as a function governing dimensionless groups. For the isothermal gravity drainage, the presence of the solvent (propane) and its molecular diffusion into bitumen was found to play a critical role in reducing the viscosity and density of the bitumen leading to gravity drainage of bitumen.
Dust in dwarf galaxies: The case of NGC 4214
Creators: name: Lisenfeld, U.
name: Hermelo, I.
name: Relano, M.
name: Tuffs, R.
name: Fischera, J.
name: Groves, B.
name: Popescu, C.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We have carried out a detailed modelling of the dust heating and emission in the nearby, starbursting dwarf galaxy NGC 4214. Due to its proximity and the great wealth of data from the UV to the millimeter range (from GALEX, HST, {\it Spitzer}, Herschel, Planck and IRAM) it is possible to separately model the emission from HII regions and their associated photodissociation regions (PDRs) and the emission from diffuse dust. Furthermore, most model parameters can be directly determined from the data leaving very few free parameters. We can fit both the emission from HII+PDR regions and the diffuse emission in NGC 4214 with these models with "normal" dust properties and realistic parameters.
description: 4pages, 3 figures. To appear in 'The Spectral Energy Distribution of Galaxies' Proceedings IAU Symposium No 284, 2011
Spectroscopic studies of photodamage and photoprotection of photosystem II
Creators: name: Zavaleta Fernandez De Cordova, Alonso
Publisher: name: The Australian National University
Year: 2016
Subjects: Photosystem II
Photodamage
Photoprotection
Photoinhibition
Spectroscopy
light
photosynthesis
visible light
fluorescence
chlorophyll

description: Light is required for photosynthesis to occur, but it also has a deleterious effect by damaging the photosynthetic machinery, in particular Photosystem II (PSII). Photoinhibition of PSII is a complex process, balancing between photoinactivation, protective and repair mechanisms. Current understanding of photodamage is limited to competing hypotheses where the photosensitizer is either photosynthetic pigments or the Mn4CaO5 cluster itself, with little consensus on the mechanisms and consequences of PSII photoinactivation. Using different spectroscopic techniques, the author evaluated the mechanisms of photodamage and photoprotection of PSII under visible light. In the first Chapter a critical examination is presented of current evidence about the photodamage mechanisms, in particular that related to the action spectra of photodamage. The second Chapter examines if the damage to the Mn4CaO5 cluster is applicable to PSII under visible light as manganese absorbs visible light only weakly. The third Chapter was intended to determine which of the three main events of PSII photodamage occurs first: (1) Inactivation of the oxygen evolution; (2) inactivation of the PSII RC; (3) and release of Mn ions. The fourth Chapter evaluates whether quenching of excessive excitation does protect PSII from photodamage, as the recent rise of paradigms that advocate that photodamage is independent of excessive excitation has questioned the relevance of quenching mechanisms. Finally, the fifth Chapter discusses and integrates the result of the present thesis in the context of the current hypothesis to explain PSII photodamage. The main results of this work are: (1) visible light damages Mn4CaO5 cluster prior to photodamage to the PSII reaction center; (2) the two step model under visible light is explained mostly by limitations on the acceptor side; (3) release of Mn ions is not the cause of PSII inactivation but a later consequence; and (4) the discovery of a long-lived fluorescence quencher that accumulates faster than the light-induced loss of PSII efficiency shows that the induction of this quencher is a preventive mechanism to reduce the excitation pressure and not the consequence of photodamage. Upon critical examination of the previously reported evidence and the new discoveries in the present work, the hybrid mechanism of photoinactivation, sensitized mostly by photosynthetic pigments and in minor way the Mn4CaO5, is the most plausible explanation to PSII photodamage under visible light.
Molecular-Dynamics Simulations of Ice Growth from the Vapour Phase: Demonstration of Proof of Principle
Creators: name: Mohandesi, Ali
Publisher: name: Graduate Studies
Year: 2015
Subjects: subject: Chemistry--Physical
subject: Molecular Dynamics Simulations
subject: Ice Growth from the Vapour Phase

description: Ice plays important roles in atmospheric, environmental and biological phenomena and is found in various morphologies on Earth. Despite many investigations of ice growth from the vapor, the molecular-scale details of its mechanism have yet to be resolved. In this thesis, an MD simulation approach has been used to study ice growth from water vapor. Also, the dependence of the behavior of the quasi–liquid–layer (QLL) that forms on the ice surface on temperature, ice face and flux of particles in the gas was investigated. It was found that with increased temperature the thickness of the QLL also increases. In addition, the QLL on the basal face was thicker than on the prism face. Monitoring the QLL behavior on the basal face at 245 K during steady state growth demonstrated that increasing the flux of particles in the gas builds up an extra layer on the QLL.
Toward Understanding the Origin of Turbulence in Molecular Clouds: Small Scale Structures as Units of Dynamical Multi-Phase Interstellar Medium
Creators: name: Tachihara, Kengo
name: Saigo, Kazuya
name: Higuchi, Aya E.
name: Inoue, Tsuyohshi
name: Inutsuka, Shu-ichiro
name: Hackstein, Moritz
name: Haas, Martin
name: Mugrauer, Markus
Publisher: name: arXiv
Year: 2012
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: In order to investigate the origin of the interstellar turbulence, detailed observations in the CO J=1--0 and 3--2 lines have been carried out in an interacting region of a molecular cloud with an HII region. As a result, several 1,000 to 10,000 AU scale cloudlets with small velocity dispersion are detected, whose systemic velocities have a relatively large scatter of a few km/s. It is suggested that the cloud is composed of small-scale dense and cold structures and their overlapping effect makes it appear to be a turbulent entity as a whole. This picture strongly supports the two-phase model of turbulent medium driven by thermal instability proposed previously. On the surface of the present cloud, the turbulence is likely to be driven by thermal instability following ionization shock compression and UV irradiation. Those small scale structures with line width of ~ 0.6 km/s have a relatively high CO line ratio of J=3--2 to 1--0, 1 < R(3-2/1-0) < 2. The large velocity gradient analysis implies that the 0.6 km/s width component cloudlets have an average density of 10^{3-4} cm^{-3}, which is relatively high at cloud edges, but their masses are only < 0.05 M_{sun}.
description: 12 pages, 9 figures. To be published in the Astrophysical Journal
title: Methodology for Calculating the Parameters of Radio Paths with Ionospheric Reflection
Creators: name: Bojilova, Rumiana
name: Mukhtarov, Plamen
Publisher: name: Proceeding of 1st International Conference on Environmental Protection and Disaster RISKs, 2020, p. 241-248
Year: 2020
Subjects: subject: FOS: Computer and information sciences

description: A methodology for calculating the parameters of radio paths operating with ionospheric reflection that depends on the state of the ionosphere and at a given distance of radio communication is presented. Based on the critical frequencies of the ionospheric regions E (foE) and F (foF2) and the maximum usable frequency at a distance of 3000 km (MUF3000), the electron density profile is reconstructed and the geometry of the radio wave reflection from the ionosphere is determined. As a result of the modeling, the frequency range of the radio waves at which radio communication is possible is determined; the latter is limited by the lowest usable frequency (LUF) and the highest usable frequency (MUF) illustrated by an example.
description: Proceeding of 1st International Conference on Environmental Protection and Disaster RISKs, 2020, p. 241-248
КЛАССИФИКАЦИЯ ЦЕННЫХ БУМАГ БАНКОВСКИХ УЧРЕЖДЕНИЙ ПО ФОРМАМ ПЕРЕДВИЖЕНИЯ
Creators: name: Назаров, Элбек
Publisher: name: Zenodo
Year: 2023

description: В данной статье описана классификация ценных бумаг банковских учреждений по форме движения. При этом выделяются конкретные мнения по ценным бумагам коммерческих банков.
French Connection: The culture and politics of Frenchness in Australia, 1890-1914
Creators: name: Bergantz, Alexis
Publisher: name: The Australian National University
Year: 2015
Subjects: Australia
France
French
Frenchness
French Australian connection
transnational
cultural history
migration

description: This thesis is a cultural history of ideas about France and the French in Australia during the late-nineteenth and early-twentieth centuries. It explores the links between representations of France, and of the French, and the ways in which different groups of individuals, whether they were French migrants or Australian colonists, mobilised these representations in social life. Until recently, studies of the French presence in Australia have tended to encase French lives in an ethnic framework, linked primarily to a social history of migrants. Although this has rescued some of their stories for posterity, it has also tended to marginalise them from a broader national story. This project, in contrast, combines French and Australian private and public sources (memoirs, letters, newspapers and works of fiction, as well as official government archives) to examine the shifting relational significance of France, both for the Australian nation and for individuals who lived during a formative period in its history. Pitched in the liminal space between two countries’ records, the thesis demonstrates that the tensions that arose in the articulation of cultural difference between Australian colonists and French and francophone migrants are revealing of the complex and sometimes paradoxical expressions of Frenchness in the antipodes in the decades before the Great War. They show some of the processes at play in the on-going definition of Australian culture and character in the early Federation era and bring to light a range of political and personal meanings that France had in people’s lives. In underscoring the connections that the Australian colonies, and later the Australian nation, entertained with France, this work helps bring to light the global and transnational connections constitutive of Australian history and identity.
Global and trajectory attractors for a nonlocal Cahn-Hilliard-Navier-Stokes system
Creators: name: Frigeri, Sergio
name: Grasselli, Maurizio
Publisher: name: arXiv
Year: 2011
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 35Q30, 37L30, 45K05, 76T99

description: The Cahn-Hilliard-Navier-Stokes system is based on a well-known diffuse interface model and describes the evolution of an incompressible isothermal mixture of binary fluids. A nonlocal variant consists of the Navier-Stokes equations suitably coupled with a nonlocal Cahn-Hilliard equation. The authors, jointly with P. Colli, have already proven the existence of a global weak solution to a nonlocal Cahn-Hilliard-Navier-Stokes system subject to no-slip and no-flux boundary conditions. Uniqueness is still an open issue even in dimension two. However, in this case, the energy identity holds. This property is exploited here to define, following J.M. Ball's approach, a generalized semiflow which has a global attractor. Through a similar argument, we can also show the existence of a (connected) global attractor for the convective nonlocal Cahn-Hilliard equation with a given velocity field, even in dimension three. Finally, we demonstrate that any weak solution fulfilling the energy inequality also satisfies an energy inequality. This allows us to establish the existence of the trajectory attractor also in dimension three with a time dependent external force.
description: 35 pages; presented at INDI2011 in Gargnano
Monodromy and local-global compatibility for l=p
Creators: name: Caraiani, Ana
Publisher: name: arXiv
Year: 2012
Subjects: subject: Number Theory (math.NT)
subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics

description: We strengthen the compatibility between local and global Langlands correspondences for GL_{n} when n is even and l=p. Let L be a CM field and Π a cuspidal automorphic representation of GL_{n}(\mathbb{A}_{L}) which is conjugate self-dual and regular algebraic. In this case, there is an l-adic Galois representation associated to Π, which is known to be compatible with local Langlands in almost all cases when l=p by recent work of Barnet-Lamb, Gee, Geraghty and Taylor. The compatibility was proved only up to semisimplification unless Π has Shin-regular weight. We extend the compatibility to Frobenius semisimplification in all cases by identifying the monodromy operator on the global side. To achieve this, we derive a generalization of Mokrane's weight spectral sequence for log crystalline cohomology.
description: 34 pages
God's scientists : the renovation of natural theology in England, 1653-1692
Creators: name: Calloway, Katherine
Publisher: name: University of British Columbia
Year: 2010

description: “God’s Scientists” contributes to the current understanding of natural theology’s relationship to the so-called scientific revolution. Natural theologies, texts aiming to demonstrate the reasonableness of Christianity, increased rapidly in popularity in England between 1650 and 1700, a curious phenomenon that has often been linked with a wider intellectual shift. In the medieval period, truth was thought to be best acquired by the application of deductive logic to a set of received dicta. During the Renaissance, the objects and phenomena of the natural world came to hold final epistemological authority, and fieldwork and laboratory experimentation replaced the deductive argumentation of earlier generations. Meanwhile, pious Christians adjusted to the new epistemological framework by introducing “physico-theology,” a new kind of natural theology that stipulated that a Designer’s existence could be proven from the great complexity in nature and the cosmos, complexity that neither necessity nor chance could have generated. Considering five natural theologians writing during the late seventeenth century: Henry More, Richard Baxter, John Wilkins, John Ray and Richard Bentley, the present study challenges intellectual historians’ implicit correlation of the New Science with attempts to “prove” Christianity conclusively. Some of these physico-theologies are indeed rationalistic, subjecting religious doctrines to intellectual scrutiny; others are not. Notably, there is no correlation between a natural theologian’s reliance on reason and his interest in the New Science. In fact, the earliest and most “scholastic” of these natural theologians, Henry More, places the highest value on human reason, while the most “empirical,” John Ray, applies the epistemological humility of the new scientist to the Book of Scripture as well as the Book of Nature. To varying degrees, other physico-theologians evince similar humility. This study makes two contributions to our understanding of the textual culture of Early Modern England: first, it provides a valuable resource for those studying these natural theologians in other contexts—More the philosopher, Baxter the Puritan, Wilkins the latitudinarian, Ray the natural historian, Bentley the classicist. Second, it brings to the center of the discussion of Early Modern natural theology what I argue was central for the natural theologians themselves: theology.
Additional file 1 of Outcomes of patient education in adult oncologic patients receiving oral anticancer agents: a systematic review protocol
Creators: name: Fonda, Federico
name: Cedrone, Sonja
name: Sartor, Ivana
name: Cadorin, Lucia
Publisher: name: figshare
Year: 2023
Subjects: subject: Medicine
subject: Sociology
subject: FOS: Sociology
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 1. “PRISMA- P 2015 Checklist”. Microsoft Word document.
Optimizing I/O for Big Array Analytics
Creators: name: Zhang, Yi
name: Yang, Jun
Publisher: name: arXiv
Year: 2012
Subjects: subject: Databases (cs.DB)
subject: FOS: Computer and information sciences

description: Big array analytics is becoming indispensable in answering important scientific and business questions. Most analysis tasks consist of multiple steps, each making one or multiple passes over the arrays to be analyzed and generating intermediate results. In the big data setting, I/O optimization is a key to efficient analytics. In this paper, we develop a framework and techniques for capturing a broad range of analysis tasks expressible in nested-loop forms, representing them in a declarative way, and optimizing their I/O by identifying sharing opportunities. Experiment results show that our optimizer is capable of finding execution plans that exploit nontrivial I/O sharing opportunities with significant savings.
description: VLDB2012
Additional file 2 of Outcomes of patient education in adult oncologic patients receiving oral anticancer agents: a systematic review protocol
Creators: name: Fonda, Federico
name: Cedrone, Sonja
name: Sartor, Ivana
name: Cadorin, Lucia
Publisher: name: figshare
Year: 2023
Subjects: subject: Medicine
subject: Sociology
subject: FOS: Sociology
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 2. “Search strategy”. Microsoft Word document.
title: Überzeugungen zum Technologieeinsatz im Mathematikunterricht: Entwicklung eines Messinstruments für Lehramtsstudierende und Lehrkräfte
Creators: name: Thurm, Daniel
name: Klinger, Marcel
name: Barzel, Bärbel
name: Rögler, Paul
Publisher: name: DuEPublico: Duisburg-Essen Publications Online, University of Duisburg-Essen, Germany
Year: 2017

description: Überzeugungen zum Technologieeinsatz beim Lehren und Lernen von Mathematik spielen eine entscheidende Rolle bei der Integration von Technologie in den Mathematikunterricht. Messinstrumente zur detaillierten quantitativen Erfassung dieser Überzeugungen sind jedoch nicht verfügbar. In diesem Beitrag wird ein umfassendes Inventar zur Erfassung technologiebezogener Überzeugungen bei Lehrkräften und Lehramtsstudierenden vorgestellt. Der Fragebogen wird an einer Stichprobe von 246 Studierenden sowie 199 Lehrkräften quantitativ überprüft und mit Hilfe einer konfirmatorischen Faktorenanalyse ausgewertet. Es zeigt sich, dass Überzeugungen von Lehrkräften differenzierter erfasst werden können als von Studierenden.
description: Beliefs referring to teaching and learning mathematics with technology play an important role when teachers are integrating technology into their classroom. However, instruments to measure those beliefs in detail are not available yet. In this article we are contributing a detailed inventory to measure technology-related beliefs of in- and pre-service teachers. The questionnaire is analyzed with 246 pre- and 199 in-service teachers using confirmatory factor analysis. It is found, that beliefs of in-service teachers can be measured in more detail than those of pre-service teachers.
Subtyping Virulence Genes of Pathogenic Escherichia coli Isolated from Beef Cattle and Clinical Cases in Alberta
Creators: name: Ferreira Tostes, Renata
Publisher: name: Graduate Studies
Year: 2016
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Biology--Molecular
subject: Public Health
subject: Subtyping
subject: Shiga-toxin
subject: Intimin
subject: STEC
subject: Pyrosequencing
subject: Genotype
subject: Escherichia coli

description: The objective of this study was to subtype virulence genes of pathogenic E. coli isolated from cattle and human clinical cases in western Canada. We identified a variety of virulence profiles among strains and most serogroups presented a dominant genotype. Many O157 and non-O157 isolates lacked stx genes; the absence was greater in non-O157 and O157:nonH7 than in O157:H7 strains. Overall, virulence profile of cattle isolates were very similar to those reported in clinical cases, although it was not possible to establish a clear relationship between strains’ genotype and season collected or place-of-origin. Monitoring stx (e.g. stx1a and stx2a) and eae (e.g. λ/γ1-eae) subtypes can be a valuable tool for risk assessment and prediction of disease outcome. Microbial contamination may occur throughout the food production chain. Therefore, monitoring pathogenic E. coli is crucial to ensure food safety across the farm-to-fork scope.
Impact of Interactive Stationary Exercise Cycling on Cognitive Attention Among Adults
Creators: name: Donaldson, Gerald Douglas
Publisher: name: Graduate Studies
Year: 2015
Subjects: subject: Psychology--Cognitive
subject: Multitasking
subject: cognition
subject: Navigation
subject: Attention
subject: Virtual Reality
subject: Cycling

description: Background: There is little research reporting whether navigating while cycling impacts concurrent cognitive tasks that are negligibly related to navigation tasks. Methods/Design: A 3-way ANOVA with two repeated measures (3 x 2 x 2) was used to compare 48 adults, aged 18-71, on memory recall of sequences of 42 monosyllabic words while At-Rest and while Riding an interactive stationary exercise cycle, in the presence and absence of an arithmetic distraction, across three groups of navigation: Gauges (n=17), Touring (n=17) and Gaming (n=14). Results: Sequential word recall varied with Touring and Gaming but not Gauge Monitoring, for resting and riding where distraction was present as well as where distraction was absent. The difference between the presence and absence of a distraction was also significant. Conclusion: Cognitive performance was negatively impacted by virtual navigation tasks when riding a stationary cycle, the more so when an arithmetic distraction was present.