cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
FAIR environmental and health registry (FAIREHR)- supporting the science to policy interface and life science research, development and innovation
Creators: name: Jeddi, Maryam Zare
name: Galea, Karen S.
name: Kolossa-Gehring, Marike
name: Viegas, Susana De Matos
Publisher: name: My University
Year: 2023
Subjects: Umweltmedizin
Metainformation

description: The environmental impact on health is an inevitable by-product of human activity. Environmental health sciences is a multidisciplinary field addressing complex issues on how people are exposed to hazardous chemicals that can potentially affect adversely the health of present and future generations. Exposure sciences and environmental epidemiology are becoming increasingly data-driven and their efficiency and effectiveness can significantly improve by implementing the FAIR (findable, accessible, interoperable, reusable) principles for scientific data management and stewardship. This will enable data integration, interoperability and (re)use while also facilitating the use of new and powerful analytical tools such as artificial intelligence and machine learning in the benefit of public health policy, and research, development and innovation (RDI). Early research planning is critical to ensuring data is FAIR at the outset. This entails a well-informed and planned strategy concerning the identification of appropriate data and metadata to be gathered, along with established procedures for their collection, documentation, and management. Furthermore, suitable approaches must be implemented to evaluate and ensure the quality of the data. Therefore, the â€ÌEurope Regional Chapter of the International Society of Exposure Scienceâ€Ì (ISES Europe) human biomonitoring working group (ISES Europe HBM WG) proposes the development of a FAIR Environment and health registry (FAIREHR) (hereafter FAIREHR). FAIR Environment and health registry offers preregistration of studies on exposure sciences and environmental epidemiology using HBM (as a starting point) across all areas of environmental and occupational health globally. The registry is proposed to receive a dedicated web-based interface, to be electronically searchable and to be available to all relevant data providers, users and stakeholders. Planned Human biomonitoring studies would ideally be registered before formal recruitment of study participants. The resulting FAIREHR would contain public records of metadata such as study design, data management, an audit trail of major changes to planned methods, details of when the study will be completed, and links to resulting publications and data repositories when provided by the authors. The FAIREHR would function as an integrated platform designed to cater to the needs of scientists, companies, publishers, and policymakers by providing user-friendly features. The implementation of FAIREHR is expected to yield significant benefits in terms of enabling more effective utilization of human biomonitoring (HBM) data. © 2023 The Authors
LOFAR discovery of a quiet emission mode in PSR B0823+26
Creators: name: Sobey, C.
name: Young, N. J.
name: Hessels, J. W.T.
name: Weltevrede, P.
name: Noutsos, A.
name: Stappers, B. W.
name: Kramer, M.
name: Bassa, C.
name: Lyne, A. G.
name: Kondratiev, V. I.
name: Hassall, T. E.
name: Keane, Evan
name: Bilous, A. V.
name: Breton, R. P.
name: Grießmeier, J. M.
name: Karastergiou, A.
name: Pilia, M.
name: Serylak, M.
name: Ter Veen, S.
name: Van Leeuwen, J.
name: Alexov, A.
name: Anderson, J.
name: Asgekar, A.
name: Avruch, I. M.
name: Bell, M. E.
name: Bentum, M. J.
name: Bernardi, G.
name: Best, P.
name: Bĭrzan, L.
name: Bonafede, A.
name: Breitling, F.
name: Broderick, J.
name: Brüggen, M.
name: Corstanje, A.
name: Carbone, D.
name: De Geus, E.
name: De Vos, M.
name: Van Duin, A.
name: Duscha, S.
name: Eislöffel, J.
name: Falcke, H.
name: Fallows, R. A.
name: Fender, R.
name: Ferrari, C.
name: Frieswijk, W.
name: Garrett, M. A.
name: Gunst, A. W.
name: Hamaker, J. P.
name: Heald, G.
name: Hoeft, M.
name: Hörandel, J.
name: Jütte, E.
name: Kuper, G.
name: Maat, P.
name: Mann, G.
name: Markoff, S.
name: McFadden, R.
name: McKay-Bukowski, D.
name: McKean, J. P.
name: Mulcahy, D. D.
name: Munk, H.
name: Nelles, A.
name: Norden, M. J.
name: Orrù, E.
name: Paas, H.
name: Pandey-Pommier, M.
name: Pandey, V. N.
name: Pietka, G.
name: Pizzo, R.
name: Polatidis, A. G.
name: Rafferty, D.
name: Renting, A.
name: Röttgering, H.
name: Rowlinson, A.
name: Scaife, A. M.M.
name: Schwarz, D.
name: Sluman, J.
name: Smirnov, O.
name: Steinmetz, M.
name: Stewart, A.
name: Swinbank, J.
name: Tagger, M.
name: Tang, Y.
name: Tasse, C.
name: Thoudam, S.
name: Toribio, C.
name: Vermeulen, R.
name: Vocks, C.
name: Van Weeren, R. J.
name: Wijers, R. A.M.J.
name: Wise, M. W.
name: Wucknitz, O.
name: Yatawatta, S.
name: Zarka, P.
Publisher: name: Swinburne
Year: 2024

description: PSR B0823+26, a 0.53-s radio pulsar, displays a host of emission phenomena over time-scales of seconds to (at least) hours, including nulling, subpulse drifting, and mode-changing. Studying pulsars like PSR B0823+26 provides further insight into the relationship between these various emission phenomena and what they might teach us about pulsar magnetospheres. Here we report on the LOFAR (Low-Frequency Array) discovery that PSR B0823+26 has a weak and sporadically emitting 'quiet' (Q) emission mode that is over 100 times weaker (on average) and has a nulling fraction forty-times greater than that of the more regularly-emitting 'bright' (B) mode. Previously, the pulsar has been undetected in the Q mode, and was assumed to be nulling continuously. PSR B0823+26 shows a further decrease in average flux just before the transition into the B mode, and perhaps truly turns off completely at these times. Furthermore, simultaneous observations taken with the LOFAR, Westerbork, Lovell, and Effelsberg telescopes between 110 MHz and 2.7 GHz demonstrate that the transition between the Q mode and B mode occurs within one single rotation of the neutron star, and that it is concurrent across the range of frequencies observed.
Rules and Laws for Civil Actions: 2023
Creators: name: Rantanen, Jason A
name: Muller, Derek T
name: Sheerin, Caroline
name: Steinitz, Maya
name: Elias, Stella Burch
Publisher: name: University of Iowa
Year: 2022
Subjects: Civil Procedure
Evidence
Constitution
openhawks

description: Rules and Laws for Civil Actions is an open-access resource for law students containing the U.S. Constitution, Federal Rules of Civil Procedure, Federal Rules of Evidence, Federal Rules of Appellate Procedure, and selected federal and state statutes. The book was created by a team of faculty members at the University of Iowa College of Law to supplement the study of Civil Procedure, Evidence, Constitutional Law, and other law school courses. In addition to containing the official text, each legal source found in Rules and Laws for Civil Actions is accompanied by an introductory section written by an Iowa Law professor explaining its significance and background.
title: Human Biomonitoring in urine samples from the Environmental Specimen Bank reveals a decreasing trend over time in the exposure to the fragrance chemical lysmeral from 2000 to 2018
title: Human Biomonitoring in urine samples from the Environmental Specimen Bank reveals a decreasing trend over time in the exposure to the fragrance chemical lysmeral from 2000 to 2018
titleType: AlternativeTitle
Creators: name: Kolossa-Gehring, Marike
name: Scherer, Max
name: Petreanu, Wolf
name: Weber, Till
Publisher: name: My University
Year: 2020
Subjects: Umweltprobenbank

description: 2-(4-tert-butylbenzyl)propionaldehyde (trade names, e.g. lysmeral or lilial) is a fragrance chemical frequently used in cosmetic products where it is labelled as Butylphenyl methylpropional. A recently developed LC-MS/MS method for the analysis of four lysmeral metabolites (tert-butylbenzoic acid (TBBA), lysmerol, lysmerylic acid, and hydroxy-lysmerylic acid) was applied to 329 urine samples from the Environmental Specimen Bank collected between 2000 and 2018. The two major metabolites TBBA and lysmerol were found in quantifiable concentrations in almost all samples in this study and correlated significantly. Hence, both analytes proved to be specific biomarkers indicating the broad exposure to lysmeral. A significant decline was found for TBBA and lysmerol for the monitored years with the most pronounced decrease from 2012 to 2015. The daily intake (DI) was used to evaluate potential health risks with respect to the derived no-effect level (DNEL) as a threshold for exposure of the general population. The median DI (1.63 (my)g/kg bw/d) and the 95th percentile (4.69 (my)g/kg bw/d) corresponded to 2.6% and 7.5% of the lowest DNEL (62.5 (my)g/kg bw/d for oral administration), respectively. Even though a decreasing trend in exposure was observed the data still calls for efforts to reduce the exposure towards lysmeral since metabolites of lysmeral were detected in nearly all samples and adverse effects cannot be excluded. Clearly, these results need to be substantiated by HBM campaigns in population representative samples like the German Environmental Survey in adults (GerES VI) to provide more robust data for the adult population. © 2020 The Author(s)
The representation of female violence in Joyce Carol Oates's later fiction.
Creators: name: Mikkola, Cheryl Lynn.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2001
Subjects: subject: Literature, American.

description: The representation of female violence in Joyce Carol Oates's later fiction is an undertaking that involves three methods of reading Because It Is Bitter, Because It Is My Heart, Foxfire: Confessions of a Girl Gang, and Man Crazy. The first chapter is a Freudian interpretation of both the novels and the characters and how the female castration complex is the cause for female violence in all three works; the second chapter illustrates the effects of female violence from the perspective of race, gender, and body; and the third chapter discusses "real" and "fictionalized" violence as coping mechanisms for female oppression in the patriarchy. The goal of the thesis is to demonstrate the impact of male domination and female subordination of women in the patriarchy and how women learn to exist in a society founded on female oppression.
A high-efficiency power amplifier integrated with a planar transmitting antenna.
Creators: name: Prévost, Jean-Paul L.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2001
Subjects: subject: Engineering, Electronics and Electrical.

description: In this thesis, the coplanar-waveguide-fed aperture-coupled patch antenna is studied for the purpose of integration with a high efficiency power amplifier. A high efficiency power amplifier is designed via experimental determination of the loads required at the output of a transistor in order to maximise its efficiency. For this purpose, an active multi-harmonic load-pull system capable of independently varying the fundamental-frequency, second-harmonic-frequency and third-harmonic-frequency reflection coefficients seen at the output of a transistor is constructed. Six-port reflectometers are designed and validated for use in this application. The load-pull system's performance is also verified prior to designing the amplifier. A power amplifier is then designed to operate at 3.5 Ghz with an input power of 4mW. (Abstract shortened by UMI.)
title: The effect of a novel extracorporeal cytokine hemoadsorption device on IL-6 elimination in septic patients
title: A randomized controlled trial
titleType: Subtitle
Creators: name: Schaedler, Dirk
name: Pausch, Christine
name: Heise, Daniel
name: Meier-Hellmann, Andreas
name: Brederlau, Joerg
name: Weiler, Norbert
name: Spies, Claudia [U.A.]
Publisher: name: Charité - Universitätsmedizin Berlin
Year: 2017
Subjects: subject: 600 Technik, Medizin, angewandte Wissenschaften::610 Medizin und Gesundheit

description: Objective We report on the effect of hemoadsorption therapy to reduce cytokines in septic patients with respiratory failure. Methods This was a randomized, controlled, open-label, multicenter trial. Mechanically ventilated patients with severe sepsis or septic shock and acute lung injury or acute respiratory distress syndrome were eligible for study inclusion. Patients were randomly assigned to either therapy with CytoSorb hemoperfusion for 6 hours per day for up to 7 consecutive days (treatment), or no hemoperfusion (control). Primary outcome was change in normalized IL-6-serum concentrations during study day 1 and 7. Results 97 of the 100 randomized patients were analyzed. We were not able to detect differences in systemic plasma IL-6 levels between the two groups (n = 75; p = 0.15). Significant IL-6 elimination, averaging between 5 and 18% per blood pass throughout the entire treatment period was recorded. In the unadjusted analysis, 60-day-mortality was significantly higher in the treatment group (44.7%) compared to the control group (26.0%; p = 0.039). The proportion of patients receiving renal replacement therapy at the time of enrollment was higher in the treatment group (31.9%) when compared to the control group (16.3%). After adjustment for patient morbidity and baseline imbalances, no association of hemoperfusion with mortality was found (p = 0.19). Conclusions In this patient population with predominantly septic shock and multiple organ failure, hemoadsorption removed IL-6 but this did not lead to lower plasma IL-6-levels. We did not detect statistically significant differences in the secondary outcomes multiple organ dysfunction score, ventilation time and time course of oxygenation.
Computation of free vibration frequencies and mode shapes of cantilever plates with finite discontinuities in properties moving outward from the clamped edge.
Creators: name: Labaki, Wassim.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2001
Subjects: subject: Engineering, Mechanical.

description: The study of rectangular cantilever plates with step discontinuities in properties is of interest in many areas of industry. Cantilever plates are assigned different properties to represent change in stiffness and mass creating therefore the concept of step discontinuities in properties. The step discontinuity in properties is best represented by dividing the cantilever plate into separate segments called spans, with each span having its own stiffness and/or mass distribution as one moves outwards from the clamped edge. This thesis presents the concept of dividing the cantilever plate into spans and provides accurate analytical solutions for free vibration frequencies and mode shapes. Chapter 1 introduces the reader to the theory of rectangular plates while chapter 2 concentrates on introducing the general solutions as applied to rectangular plates. Although there is no limit to the number of plate spans to be studied, three and four span cantilever plates were analysed in chapter 3. The computed eigenvalues are validated against previously published uniform rectangular cantilever plate free vibration results. They were found converging to the known values. Free vibration eigenvalues and mode shapes are then calculated for a variety of cantilever plates of different aspect ratios and with different span thicknesses creating a discontinuity in mass and flexural rigidity along the plate. The results are presented in chapter 4 and discussed in chapter 5.
Assessing the bivariate time-varying association between two binary variables in a longitudinal study
Creators: name: Liu, Zhuangzhuang
Publisher: name: University of Iowa
Year: 2022
Subjects: End-of-life longitudinal study
Inverse probability weighting
Joint distribution estimation
Kernel weighting
Nonparametric estimation
Time-varying odds ratio
public abstract

description: In many biomedical studies, researchers often interested in studying the association between two binary variables. Longitudinal studies where the variables are measured repeatedly over a period of time would help facilitate the understanding of changes in the association during the follow-up. I propose the bivariate time-varying odds ratio and relative risk that quantify the strength of the association between the two variables at different times and changes in the association over time. When the variables are measured at distinct time points, estimating the odds ratio and relative risk at a given time are challenging when the two variables are not concurrently sampled at the time of interest. I propose a nonparametric method to estimate the odds ratio and relative risk in longitudinal samples where the two variables are measured at different time. The performance of the proposed estimation method is confirmed in two scenarios where the two variables are sampled concurrently and differently over time. In end-of-life research, censored death can lead to estimation bias. I model the missingness and propose an inverse probability weighting estimation method. Simulation studies show that it can correct the bias satisfactorily. Applications in biological studies need the estimation of conditional dependency between two random variables given the knowledge of additional random variables. I propose estimation procedures to examine the association conditional on different types of covariates (categorical or continuous). I apply the proposed method to the Framingham Heart Study and examine changes in the association of the presence of hypertension between parents and children for both genders over the course of 45 years.
The synthesis and reactivity of alpha,beta-unsaturated thioamide, thioester, and thione iron tricarbonyl complexes.
Creators: name: Brandes, Dee Anne.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 1990
Subjects: subject: Chemistry, Organic.

description: $\alpha,\beta$-Unsaturated thioamide, thioester and thione iron tricarbonyl complexes 1-13 were prepared from the free ligands and iron pentacarbonyl using photolysis or diiron nonacarbonyl using thermolysis. X-ray crystal structures were obtained for the free ligand 2$\sp\prime,$ (PhCH=C(Ph)C(S)NEt$\sb2$), and for complexes 1 and 2, $\rm\lbrack \overline{\overline{Fe(PhCH}{=}CHC(S})NEt\sb2)$(CO)$\sb3\rbrack$ and $\rm\lbrack \overline{\overline{Fe(PhCH}{=}C(Ph)C(S})NEt\sb2)$(CO)$\sb3\rbrack$ respectively. Thioamide and thioester iron tricarbonyl complexes gave triphenylphosphine substituted complexes 17-19 resulting from loss of a carbon monoxide ligand by photolysis or thermolysis. It was not possible to substitute more than one triphenylphosphine into the complexes. Thioamide and thioester ligands could be removed from the iron tricarbonyl fragment using ceric ammonium nitrate, hydrogen peroxide, m-chloroperbenzoic acid, or thermolysis. The best results were obtained with ceric ammonium nitrate, which minimized conversion of the C=S functional group to C=O. Thioester complex 10, $\rm\lbrack \overline{\overline{Fe(PhCH}{=}CHC(S})OEt)(CO)\sb3\rbrack,$ reacted with hydrogen peroxide or m-chloroperbenzoic acid to give the sulphine complex 20, $\rm\lbrack \overline{\overline{Fe(PhCH}{=}CHC(S}{=}O)OEt)(CO)\sb3\rbrack.$ Nucleophiles reacted with thioamide and thioester iron tricarbonyl complexes at room temperature affording 1,4-Michael addition products free of metal coordination. At $-$78$\sp\circ$C, nucleophiles reacted with thioamide iron tricarbonyl complexes forming 4-oxo-thioamide non-metal coordinated products. An electrophile reacted with thioester tricarbonyl complex 10 to give an S-alkylated cationic complex 21, $\rm\lbrack\lbrack\overline{\overline{Fe(PhCH}{=}CHC(S} {\sp+}$-Me)OEt)(CO)$\sb3 \rm\rbrack \lbrack BF\sb4\sp-\rbrack\rbrack.$ Alkynes added to the metal-coordinated olefin of $\alpha,\beta$-unsaturated thioamide iron tricarbonyl complexes 1, 4, $\rm\lbrack\overline{\overline{Fe(MeCH}{=}CHC(S})NEt\sb2)$(CO)$\sb3\rbrack,$ and 7, $\rm\lbrack\overline{\overline{Fe(MeCH}{=}CHC(S})N(Ph)$(Me))(CO)$\sb3\rbrack,$ generating complexes 22-26 possessing a cyclopentenone ligand. An X-ray crystal structure was obtained for complex 22. Silicon alkoxides were used as a source of alkoxide to prepare carboxylic esters in good yields from benzylic bromides and carbon monoxide catalyzed by a rhodium (I) complex under mild conditions.
The SAMI Pilot Survey: The fundamental and mass planes in three low-redshift clusters
Creators: name: Scott, Nicholas
name: Fogarty, L. M.R.
name: Owers, Matt S.
name: Croom, Scott M.
name: Colless, Matthew
name: Davies, Roger L.
name: Brough, S.
name: Michael, B. Pracy
name: Bland-Hawthorn, Joss
name: Heath Jones, D.
name: Allen, J. T.
name: Bryant, Julia J.
name: Cortese, Luca
name: Goodwin, Michael
name: Green, Andrew W.
name: Konstantopoulos, Iraklis S.
name: Lawrence, J. S.
name: Richards, Samuel
name: Sharp, Rob
Publisher: name: Swinburne
Year: 2024

description: Using new integral field observations of 106 galaxies in three nearby clusters, we investigate how the intrinsic scatter of the Fundamental Plane depends on the way in which the velocity dispersion and effective radius are measured. Our spatially resolved spectroscopy, combined with a cluster sample with negligible relative distance errors, allows us to derive a Fundamental Plane with minimal systematic uncertainties. From the apertures we tested, we find that velocity dispersions measured within a circular aperture with radius equal to one effective radius minimizes the intrinsic scatter of the Fundamental Plane. Using simple yet powerful Jeans dynamical models, we determine dynamical masses for our galaxies. Replacing luminosity in the Fundamental Plane with dynamical mass, we demonstrate that the resulting Mass Plane has further reduced scatter, consistent with zero intrinsic scatter. Using these dynamical models, we also find evidence for a possibly non-linear relationship between dynamical mass-to-light ratio and velocity dispersion.
Variable-step variable-order 3-stage Hermite-Birkhoff-Obrechkoff ODE solver of order 4 to 14 with a C program
Creators: name: Zhang, Yu
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2007
Subjects: subject: Engineering, System Science.

description: Variable-step variable-order 3-stage Hermite-Birkhoff-Obrechkoff methods of order 4 to 14, denoted by HBO(4-14)3, are constructed for solving nonstiff systems of first-order differential equations of the form y' = f (x, y), y( x0) = y0. These methods use y' and y" as in Obrechkoff's method. Forcing a Taylor expansion of the numerical solution to agree with an expansion of the true solution leads to multistep- and Runge-Kutta-type order conditions which are reorganized into linear Vandermonde-type systems. Fast algorithms are developed for solving these systems to obtain Hermite-Birkhoff interpolation polynomials in terms of generalized Lagrange basis functions. The new methods have larger regions of absolute stability than Adams-Bashforth-Moulton methods of comparable orders in PECE mode. The order and stepsize of these methods are controlled by four local error estimators. When programmed in Matlab, HBO(4-14)3 are superior to Matlab's ode113 in solving several problems often used to test higher order ODE solvers on the basis of the number of function evaluations, CPU time, and maximum global error. It is also superior to the variable-step 3-stage HBO(14)3 of order 14 on some problems. When programmed in C, HBO(4-14)3 is superior to the Dormand-Prince Runge-Kutta nested pair DP(8,7)13M in solving expensive equations over a long period of time. HBO(4-14)3 has been implemented in C. The C program for HBO(4-14)3 is an important contribution of this thesis.
The NBN and the WTO
Creators: name: Voon, Tania
name: Mitchell, Andrew
Publisher: name: Swinburne
Year: 2024

description: The NBN is a highly politicised project being contested domestically from a number of angles. However, the implications of Australia's obligations under the World Trade Organization agreements have been largely unaddressed in official documentation concerning NBN Co and in the relevant literature. This paper explores some of the issues raised by the implementation of the NBN in connection with Australia's legal obligations pursuant to the agreements of the World Trade Organization.
Galaxy and mass assembly (GAMA): Mass-size relations of z 0.1 galaxies subdivided by Sérsic index, colour and morphology
Creators: name: Lange, Rebecca
name: Driver, Simon P.
name: Robotham, Aaron S.G.
name: Kelvin, Lee S.
name: Graham, Alister
name: Alpaslan, Mehmet
name: Andrews, Stephen K.
name: Baldry, Ivan K.
name: Bamford, Steven
name: Bland-Hawthorn, Joss
name: Brough, Sarah
name: Cluver, Michelle
name: Conselice, Christopher J.
name: Davies, Luke J.M.
name: Haeussler, Boris
name: Konstantopoulos, Iraklis S.
name: Loveday, Jon
name: Moffett, Amanda J.
name: Norberg, Peder
name: Phillipps, Steven
name: Taylor, Edward
name: López-Sánchez, Ángel R.
name: Wilkins, Stephen M.
Publisher: name: Swinburne
Year: 2024

description: We use data from the Galaxy And Mass Assembly (GAMA) survey in the redshift range 0.01 < z < 0.1 (8399 galaxies in g to Ks bands) to derive the (stellar mass)–(half-light radius) relations for various divisions of 'early' and 'late'-type samples. We find the choice of division between early and late (i.e., colour, shape, morphology) is not particularly critical, however, the adopted mass limits and sample selections (i.e., the careful rejection of outliers and use of robust fitting methods) are important. In particular we note that for samples extending to low stellar mass limits (< 1010 MSun the Sérsic index bimodality, evident for high mass systems, becomes less distinct and no-longer acts as a reliable separator of early- and late-type systems. The final set of (stellar mass) - (half-light radius) relations are reported for a variety of galaxy population subsets in 10 bands (ugrizZYJHKs) and are intended to provide a comprehensive low-z benchmark for the many ongoing high-z studies. Exploring the variation of the stellar mass - half-light radius relations with wavelength we confirm earlier findings that galaxies appear more compact at longer wavelengths albeit at a smaller level than previously noted: at 1010 MSun both spiral systems and ellipticals show a decrease in size of 13% from g to Ks (which is near linear in log wavelength). Finally we note that the sizes used in this work are derived from 2D Sersic light profile fitting (using GALFIT3), i.e., elliptical semi-major half light radii, improving on earlier low-z benchmarks based on circular apertures.
Using a virtual environment to study how pedestrians and bicyclists respond to warning and intent communication for autonomous vehicles
Creators: name: Subramanian, Lakshmi Devi
Publisher: name: University of Iowa
Year: 2024
Subjects: Bicyclist Safety
Human Computer Interaction
Pedestrian Safety
Virtual Environment
public abstract
Autonomous Vehicles
Virtual Reality
Computer Science

description: Vehicle automation technologies are developing at a furious rate. Many automated systems are now standard equipment such as adaptive cruise control, blind spot monitoring, lane assist, and automatic braking. For these driver assistance technologies, the human driver is still present in the car to intervene when any automation fails. However, fully autonomous vehicles that will not require the presence of driver are on the horizon. But traditional driving requires communication with other road users such as warning of potential danger and communicating an intent to yield. Highly functional autonomous vehicles are expected to reduce human error, but they face a new challenge on how to communicate warning and intent with pedestrians and bicyclists.
description: My dissertation is focused on two research problems: 1) How do pedestrians and bicyclists respond to a vehicle warning system which sends safety alerts during nighttime conditions, and 2) How do pedestrians cross streams of traffic in the presence of an external Human Machine Interface(eHMI) that communicates the intent of an autonomous vehicle to yield or no yield at a pedestrian crosswalk in daytime conditions. I used 3D immersive virtual reality and developed virtual environments that simulate the real-world traffic conditions for my dissertation research. Our results showed that the nighttime vehicle warning system has the potential to draw the attention of pedestrians and bicyclists about oncoming cars and also influence them to behave safely. The results of the intent communication study showed that the pedestrians’ road-crossing behavior was influenced by the timing of the eHMI as well as the way the yielding vehicle slowed down in daytime traffic conditions.
description: The findings from my dissertation studies help to understand the behavioral changes made by pedestrians and bicyclists towards the latest vehicle automation technologies thereby contributing to the design and development of new vehicle technologies aimed to increase the safety of vulnerable road users.
The effects of curvature on sheared turbulence.
Creators: name: Holloway, Arthur Gordon Lawrence.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 1989
Subjects: subject: Engineering, Mechanical.

description: The present experiment is an attempt to study the effect of curvature on sheared turbulence in relative isolation from wall and entrainment effects. The flow is an extension of previous studies on nearly homogeneous, parallel, shear flows. Uniformly sheared turbulence is allowed to reach a state of transverse statistical homogeneity in a straight rectangular duct, it is then passed into a curved duct, also of rectangular cross-section. The near homogeneity of the turbulence and the near uniformity of the shear are preserved. The present experiments span a range of $S = U\sb{c}/AR\sb{c}$, from $-$.49 to.65, ($U\sb{c}$ is the centerline velocity, $A = {dU\over dn}$ is the mean shear rate and $R\sb{c}$ is the radius of curvature at the centerline of the duct), using two curved tunnels with $R\sb{c}$ = 2m and 5m respectively as well as shear generators producing several values of A. Measurements indicate that the growth of the turbulent stresses and length scales is enhanced for $S 0.$ For $S > .05,$ the stresses decay. In cases where sufficiently large total strain was achieved, the stresses seem to grow or decay exponentially and to develop in a self-preserving manner. The magnitude of the dimensionless shear stress, $K\sb{uv} = {\overline{uv}\over q\sp2},$ decreases monotonically with increasing $S$. The effect of curvature on shear stress is more pronounced in the low wave number range.
Mental deterioration and the Ottawa-Wechsler.
Creators: name: Colli, Pascal Joseph Delli.
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 1964
Subjects: subject: Psychology, Developmental.

description: A randomly selected stratified sample of the working French-speaking population of greater Ottawa, consisting of 370 subjects, was chosen from a pool of 980 Ottawa-Wechsler records. Comparisons between the means of the youngest and oldest age groups or between the highest mean and that of the oldest subjects were made for each of the subtests and composite scales. Where differences reached the 1% level of statistical significance, the method of partial correlation was applied to the sample, followed by a similar analysis of the age groups to determine what effects, if any, they had on the sample. No significant differences between the means of the youngest and oldest age groups or between the highest mean and that of the oldest subjects were found on Renseignements, Cas pratiques, Chiffres, Resemblances, Blocs a dessins and the Echelle verbale. Differences were obtained for the remaining five subtests and two Scales. In dealing with the Arithmetique and Images incompletes subtests, further analysis revealed that when the influences of education and occupation were nullified, all or most of the variance was explained by these variables since the Pearson correlations were reduced to zero or nearly so. Our study would indicate that intelligence itself does not decline either generally or differentially as age progresses, but rather that it compensates for what would otherwise be a more severe lose in test scores due to changes in sensory and physiological functions, interacting with psychological and other non-intellective influences which are peculiar to the individual as he grows older.
Utilization of mental health care services among older adults with depression in Canada
Creators: name: Crabb, Rebecca
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2008
Subjects: subject: Health Sciences, Mental Health.
subject: Gerontology.
subject: Psychology, Clinical.

description: Previous studies have indicated a tendency for older adults to under-utilize available services and medications for depression. Three studies were undertaken to provide representative Canadian data on rates of mental health service use by older Canadian adults with depression, in three domains: (1) mental health consultations with health care professionals, (2) utilization of psychoactive medications commonly used in treatment of late-life depression, and (3) mental health-related utilization of alternative or complementary services and products. An additional objective was to examine the relative effect of age on service utilization after accounting for other potentially relevant sociodemographic and clinical characteristics. Data for the studies was obtained from Statistics Canada's Canadian Community Health Survey, Cycles 1.1 (Study 1) and 1.2 (Studies 2 and 3). Older adults were less likely than middle-aged adults to seek mental health care services from any health care professionals, and especially from specialty mental health professionals (psychologists or psychiatrists). Compared to middle-aged adults, older adults used antidepressant medications at a lower rate and benzodiazepines at a higher rate. Age-related patterns in mental health-related use of CAM did not directly correspond to age-related patterns in conventional mental health care utilization. The results of the three dissertation studies clearly indicate that mental health utilization patterns continue to differ significantly among middle-aged, younger- and older-older adults with depression. These findings have significant implications in terms of initiatives to improve the recognition and treatment of late-life depression.
Ductility in FRP rods for concrete reinforcement by interfacial shearing
Creators: name: Ewen, Kristian A. J
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2005
Subjects: subject: Engineering, Civil.

description: Non-corrosive reinforcement of concrete provides great potential for reducing life cycle costs (LCC) of highway infrastructure (bridge decks and columns, light-standards, dividers) and concrete structures near water (piers, retaining walls, platforms). This is especially important in areas where salts are common (cold weather road salting, coastal regions) and is achieved by extending the life of structures and the period between major repairs. Costs of infrastructure rehabilitation due to corrosion of reinforcement are estimated to be $1.2 billion dollars in Ontario in the next few years, and up to 40% of all annual infrastructure costs in the province of Quebec. Efforts to reduce the frequency of repair and replacement of ageing structures include using epoxy coating of the reinforcing bar (rebar), cathodic protection, alternate types of steel and fibre reinforced polymer (FRP) rebar. Of these, FRP rebar appears to be the most promising. The limitation of FRP rebar is the low maximum strain and linear behaviour up to failure. Prior attempts at increasing the ductility and producing non-linear behaviour have had limited success. Maximum strain remains limited to that of the highest strain fibres available. Pseudo-ductility has been achieved by combining multiple fibre types having different material properties. The work described in this thesis focussed on non-traditional methods for achieving ductility in FRP rebars by taking advantage of the frictional interface of two materials. Two methods were tested. The first employed a solid inner-core with an over-wrap cut at regular intervals and relied on the rebar pulling out of the concrete at sustained load. Rods were tested in concrete beams under bending loads. Sustained load was achieved for significant pull-out. The second method combined continuous fibres with discontinuous meso-rods wherein the continuous fibres provide initial stiffness and maximum strength and the discontinuous meso-rods provide high-ductility via fibre pull-out. A concept model using aligned short steel fibres was manufactured and tested. Load-displacement behaviour showed substantial local elongation. Prototype models using carbon fibres were manufactured and tested. Specimens showed evidence of fibre pull-out. Future specimens should employ an intermediate material with a controlled and repeatable shear strength for the interface.
title: Störfallvorsorge und Krisenmanagement im Donaudelta
title: Risikomanagement im Donaudelta (Abschlussbericht, German)
titleType: AlternativeTitle
Creators: name: Savov, Nikolay
name: Ilg-Hirsch, Franziska
name: Kamke, Claudia
Publisher: name: My University
Year: 2016
Subjects: subject: Störfall
subject: Katastrophe
subject: Katastrophenschutz
subject: Donau
subject: Beratungsprogramm
subject: BHP
subject: UNECE
subject: Donaudelta
subject: Nachhaltigkeit | Strategien | Internationales
subject: Sustainability | Strategies | International matters

description: Das Ziel des "Donaudelta-Projektes" war es, in der Republik Moldau, in Rumänien und der Ukraine die Zusammenarbeit zwischen den nationalen Behörden und der Industrie am Donaudelta zu stärken, wobei unter anderem die Mechanismen und Ansätze für eine effiziente und effektive Störfallvorsorge sowie das Krisenmanagement verbessert und, soweit möglich, harmonisiert werden sollten. Im Vordergrund des Projektes stand dabei die Förderung der Zusammenarbeit zwischen den nationalen Ministerien und den beauftragten Behörden der Projektländer (hauptsächlich zwischen den zuständigen Behörden für den Umweltschutz, Katastrophenschutz, Verkehr, verschiedenen regionalen und lokalen Behörden etc.) sowie zwischen den beauftragten Behörden und der Industrie, insbesondere den Betreibern von Ölterminals. Das Donaudelta-Projekt hat die grenzüberschreitende Zusammenarbeit zwischen den Teilnehmerstaaten hinsichtlich Expertenniveau und gegenseitigem Vertrauen und Verständnis zwischen den nationalen Behörden und der Industrie sichtbar verstärkt.Quelle: https://www.umweltbundesamt.de
description: Das Ziel des „Donaudelta-Projektes“ war es, in der Republik Moldau, in Rumänien und der Ukraine die Zusammenarbeit zwischen den nationalen Behörden und der Industrie am Donaudelta zu stärken, wobei unter anderem die Mechanismen und Ansätze für eine effiziente und effektive Störfallvorsorge sowie das Krisenmanagement verbessert und, soweit möglich, harmonisiert werden sollten. Im Vordergrund des Projektes stand dabei die Förderung der Zusammenarbeit zwischen den nationalen Ministerien und den beauftragten Behörden der Projektländer (hauptsächlich zwischen den zuständigen Behörden für den Umweltschutz, Katastrophenschutz, Verkehr, verschiedenen regionalen und lokalen Behörden etc.) sowie zwischen den beauftragten Behörden und der Industrie, insbesondere den Betreibern von Ölterminals. Das Donaudelta-Projekt hat die grenzüberschreitende Zusammenarbeit zwischen den Teilnehmerstaaten hinsichtlich Expertenniveau und gegenseitigem Vertrauen und Verständnis zwischen den nationalen Behörden und der Industrie sichtbar verstärkt.
Light from Canada: The Poetics of James Schuyler
Creators: name: Mongrain, Matthew
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2010
Subjects: subject: Literature, American.

description: This thesis discusses the poetics of James Schuyler as they relate to three major concepts: his "painterliness," his technique, and his treatment of things. In the first chapter, Schuyler's "painterliness" is argued to be a way to discuss the idea of representation in both his prose about art and his art-inspired poetry. In the second chapter, Schuyler's technique, notable for its innovative lineation, is explored using the postmodern philosophy of Gilles Deleuze and Felix Guattari. It is argued that Schuyler's purposeful lineation has the same ends as Deleuze-Guattari's project to expose the artificiality of systems of signs and allow ideas to connect more freely with one another. In the third chapter, the treatment of things in Schuyler's poetry is argued to be emblematic of Schuyler's poetry itself, and another way that he explores in his verse the meaning of the individual sign in relationship with subjectivity.
Spin Physics with PHENIX Experiment's MPC-EX Calorimeter Upgrade
Creators: name: Jiang, Xiaodong
Publisher: name: Zenodo
Year: 2014
Subjects: PHENIX
RHIC
mpc
mpc-ex
spin
spin physics

description: Discussion of new capabilities of the PHENIX detector in the area of spin physics, after the addition of the MPC-EX upgrade.
Repair and Retrofit of Non-Ductile Reinforced Concrete Frames with Diagonal Steel Compression Struts
Creators: name: Caron, Frederic
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2010
Subjects: subject: Engineering, Civil.

description: Reinforced concrete frames built before the 1970s were designed prior to the enactment of seismic codes. These frames were designed with strong beams and weak columns, which is contradictory to the capacity design philosophy currently employed. These frames lack sufficient shear and confinement reinforcement. The joints, columns, and beams are susceptible to shear failures, thus preventing these frames from reaching their full flexural capacity. Such premature failures have no warning and are characterised by inadequate ductility, which is one of the key performance indicators in seismic design. There are two general methods to rehabilitate a concrete frame. The first would be to add new structural elements such as infill walls or steel bracing, and the second would be to strengthen the structural elements: the joints, beams, and columns. The latter has been studied using fibre reinforced polymers (FRP) and steel jackets. The main objective for this research is to evaluate the response of repaired and retrofitted non-ductile reinforced concrete frames which are vulnerable to earthquake loading. The main focus is to investigate a quick, easy and inexpensive retrofit method that could be used before or after a structure is damaged. The retrofit method utilizes diagonal X-bracing fabricated from square steel hollow sections, which are designed as compression struts to retrofit non-ductile reinforced concrete frames in an attempt to increase stiffness and lateral load capacity. The advantage is the elimination of costly and detailed connections necessary to exploit the tension capacity of the brace. Two, single-storey, one-bay, non-ductile reinforced concrete frames were first repaired. One frame was tested to assess the seismic performance of the repair strategy and the second frame was retrofitted with steel X-bracing. Experimental and analytical results for both the retrofitted and repaired frames are presented. Code prescribed calculations and finite element analyses were performed to evaluate the frames and to provide comparisons between code-expected performance and advanced modelling predictions.
title: “‘Look like a girl, think like a man, act like a lady, and work like a dog’
title: homemaking and American women state legislators, 1945-1965”
titleType: Subtitle
Creators: name: Hoskins, Danielle
Publisher: name: University of Iowa
Year: 2023
Subjects: American
homemakers
legislatures
postwar period
women

description: This dissertation follows the cohort of American women who in the two decades after World War II became involved in their women’s clubs, communities, and in politics, with an understanding that postwar circumstances and burgeoning Cold War prerogatives demanded they reconsider their citizenship and place in American society. While social norms seemed to emphasize women’s homemaking, relegating women to domestic life, some women built on earlier activism to negotiate a role in politics and society that embraced homemaking to better fit the demands of postwar citizenship. These women interpreted their citizenship as requiring active participation in their communities, through what I describe as “civic housekeeping,” an updated version of the “public housekeeping” of the Progressive Era that now imagined women as full, voting citizens whose civic engagement was an extension of their domesticity - at a time when American prosperity, Cold War rhetoric, and more was built around the home. Through their women’s clubs, these women – particularly the White, middle-class women of the rural Midwest – played a large part in the civic engagement that formed and improved communities in the postwar period, from town beautification to event planning and civic improvement projects.
description: This dissertation continues this narrative by exploring how women’s clubs would become political primers for these women, some of whom would turn their experience in their clubs and in civic housekeeping into successful – if often unintentional – candidacies for the state legislature. Though women were largely excluded from formal politics at this time, a few managed to translate their homemaking into a politically viable strategy to run for and serve in state legislatures. Sought out by local political parties based on their name recognition and engagement in the community, homemakers and clubwomen who had not previously considered a political career nonetheless found success in running frugal, personal campaigns that emphasized their domesticity while insisting that they belonged, couching their presence in the male world of politics by embracing “traditional” gender norms. These women strategically campaigned and served as women, but not for women; their goal was not to change the statehouse or party politics, but to find a way to contribute without compromising themselves, and to continue to serve their communities from the legislature.