A Visual Interactive Model For Corporate Cash Management

The corporate cash management problem has been addressed extensively in the literature. Actual implementations, however, are scarce. After discussion of the reasons for these limited implementation successes with practising cash managers, a Visual Interactive (VI) Modeling approach was proposed. This approach attempted to integrate concepts from past VI Modeling applications, Decision Support Systems (DSS), and \u27soft systems\u27 theory. Visual Interactive Models (VIMs) have been credited by Operational Researchers with a strong implementation focus, but a general methodology for building VIMs did not exist. This thesis formalized a development approach for VIMs and evaluated the results based on a practising cash manager\u27s problem. The resulting problem formulation and solution algorithms differed from other cash management models in the literature, and the form of the VIM that resulted from this modeling approach differed from current applications. The results suggest that the proposed VIM building approach can derive an effective and implementable model. Further, this methodology offers support for complex problem situations including those where no physical picture of the system under study can be derived

Studies of mechano-chemical interactions in the tribological behavior of materials

Mechano-chemical interaction studies can contribute to the understanding of wear and friction of materials. Specific examples of experimental results relative to the subject are discussed. There are two parts: one describes the synergistic effect of corrosion and wear of iron sliding on sapphire in sulfuric acid, and the other describes the effect of surface films on the wear and friction of plasma-deposited diamondlike carbon (amorphous hydrogenated carbon) films in sliding contact with silicon nitride. The concentration of acid (pH) is an important factor in controlling the iron loss caused by wear-corrosion processes in sulfuric acid. The mechanical action can cause chemical reactions to proceed much faster than they would otherwise. The diamondlike carbon (DLC) films are shown to behave tribologically much like bulk diamond. In a dry nitrogen environment, a mechano-chemical reaction produces a substance which greatly decreases the coefficient of friction. In a moist air environment, mechano-chemical interactions drastically reduce the wear life of DLC films and water vapor greatly increases friction

Interim Project report: Teaching Excellence: what is this and how can we assess and recognise this

This article discusses an ongoing project being undertaken focused on recognising teaching excellence. The article begins with a brief overview of the project and the aims, the members of the project team and, the range of activities that are being used to collect data for the project. The article then provides a summary of two activities undertaken to date and some of the key findings from these. The article will conclude with discussion of future activities and how you can become engaged in this project

Prevention of Decubitus Ulcers in the Clinical Setting

https://scholarworks.moreheadstate.edu/student_scholarship_posters/1084/thumbnail.jp

Transcriptomes of parents identify parenting strategies and sexual conflict in a subsocial beetle

This work was funded by UK NERC grants to M.G.R. and A.J.M. an NERC studentship to D.J.P. the University of Georgia and a US NSF grant to A.J.M. and M.G.R.Parenting in the burying beetle Nicrophorus vespilloides is complex and, unusually, the sex and number of parents that can be present is flexible. Such flexibility is expected to involve specialized behaviour by the two sexes under biparental conditions. Here, we show that offspring fare equally well regardless of the sex or number of parents present. Comparing transcriptomes, we find a largely overlapping set of differentially expressed genes in both uniparental and biparental females and in uniparental males including vitellogenin, associated with reproduction, and takeout, influencing sex-specific mating and feeding behaviour. Gene expression in biparental males is similar to that in non-caring states. Thus, being ‘biparental’ in N. vespilloides describes the family social organization rather than the number of directly parenting individuals. There was no specialization; instead, in biparental families, direct male parental care appears to be limited with female behaviour unchanged. This should lead to strong sexual conflict.Publisher PDFPeer reviewe

Recipe for Success: Basic Ingredients for Undergraduate Research

Streaming video requires RealPlayer to view.The University Archives has determined that this item is of continuing value to OSU's history.Please join a panel of Mershon Center affiliated faculty and graduate students for an interdisciplinary discussion on the basic ingredients of a good undergraduate research project. Panel members will cite examples of good undergraduate research projects and address such questions as: • How do you develop good research questions? • What types of methodologies should you use in your research? • What foundation do you need to have before undertaking a research project? What theories and facts do you need to know? What classes do you need to take? • How can undergraduates work with the Institutional Review Board? • How can undergraduates make connections with faculty members? Panelists include: • Sarah Brooks, Associate Professor of Political Science • William Cunningham, Assistant Professor of Psychology • Geoffrey Parker, Andreas Dorpalen Professor of History. This was one of the most successful undergraduate events sponsored by the Mershon Center last year, with more than 70 percent of respondents rating it as extremely valuable.The Ohio State University. Undergraduate Research OfficeOhio State University. Mershon Center for International Security StudiesEvent Web page, streaming video, event photos, PowerPoint presentation

Tunable terahertz band-stop filter using strongly coupled split ring resonators integrated with on-chip waveguide

We have used finite-element methods to design and simulate a tunable terahertz frequency range band-stop filter based on coupled split-ring resonators integrated into planar Goubau-line waveguide. Two split-ring resonators with different geometrical lengths and gap widths were designed to resonate at the same frequency. When the two resonators were coupled, resonance splitting was observed in the transmission spectra controlled by the distance between them. The electric field distribution and surface current modes in the coupled resonators were used to identify the origin of the resonance modes. In order to dynamically tune the coupled resonance frequencies, a cantilevered microelectromechanical scheme is proposed, in which the radius of curvature of one split-ring resonator is adjusted with respect to a fixed second split-ring resonator. The coupling strength of the coupled resonators was investigated as a function of the relative separation of the resonators revealing a dispersion relation that shows anti-crossing of the coupled resonances as the cantilever bends

Randomized controlled trial of a patient decision-making aid for orthodontics

INTRODUCTION: Patient decision-making aids (PDAs) are instruments that facilitate shared decision making and enable patients to reach informed, individual decisions regarding health care. The objective of this study was to assess the efficacy of a PDA compared with traditional information provision for adolescent patients considering fixed appliance orthodontic treatment. METHODS: Before treatment, orthodontic patients were randomly allocated into 2 groups: the intervention group received the PDA and standard information regarding fixed appliances, and the control group received the standard information only. Decisional conflict was measured using the Decisional Conflict Scale, and the levels of decisional conflict were compared between the 2 groups. RESULTS: Seventy-two patients were recruited and randomized in a ratio of 1:1 to the PDA and control groups. Seventy-one patients completed the trial (control group, 36; PDA group, 35); this satisfied the sample size calculation. The median total Decisional Conflict Scale score in the PDA group was lower than in the control group (15.63 and 19.53, respectively). However, this difference was not statistically significant (difference between groups, 3.90; 95% confidence interval of the difference, -4.30 to 12.11). Sex, ethnicity, age, and the time point at which patients were recruited did not have significant effects on Decisional Conflict Scale scores. No harm was observed or reported for any participant in the study. CONCLUSIONS: The results of this study showed that the provision of a PDA to adolescents before they consented for fixed appliances did not significantly reduce decisional conflict. There may be a benefit in providing a PDA for some patients, but it is not yet possible to say how these patients could be identified. REGISTRATION: This trial was registered with the Harrow National Research Ethics Committee (reference 12/LO/0279). PROTOCOL: The protocol was not published before trial commencement

Origin of the highest energy cosmic rays observed

Introducing a simple Galactic wind model patterned after the solar wind we show that back-tracing the orbits of the highest energy cosmic events suggests that they may all come from the Virgo cluster, and so probably from the active radio galaxy M87. This confirms a long standing expectation. Those powerful radio galaxies that have their relativistic jets stuck in the interstellar medium of the host galaxy, such as 3C147, will then enable us to derive limits on the production of any new kind of particle, expected in some extensions of the standard model in particle physics. New data from HIRES will be crucial in testing the model proposed here.Comment: At TAUP99, the 6th international workshop on topics in Astroparticle Physics and Underground Physics, College de France, Eds. J. Dumarchez, M. Froissart, D. Vignaud, (Sep 1999