1,333 research outputs found

    Quantification and qualification by in-situ FTIR of species formed on supported-cobalt catalysts during the Fischer-Tropsch reaction

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    We thanks the University of Aberdeen for a studentship (to A. McNab).Peer reviewedPostprintPostprin

    The digital transformation of research support

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    Workshop at Northern Collaboration 2017 Conference

    Mechanistic Insights into the Desorption of Methanol and Dimethyl Ether Over ZSM-5 Catalysts

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    Acknowledgements Financial support from the Petroleum Technology Development Fund of Nigeria (PTDF/ED/PHD/OO/766/15) and from the European Commission in the scope of the 7th Framework program BIOGO project (Grant Number: 604296) https://www.biogo. eu/ is acknowledged.Peer reviewedPublisher PD

    The thermoregulatory effect of consuming a beverage containing protein during exercise

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    Lab based studies have demonstrated that adding a small quantity of protein to a typical CHO-electrolyte beverage is beneficial, e.g. improved recovery from strenuous exercise (St. Laurent et al., 2006) and increased thermoregulatory capacity (Goto et al., 2007). However, no study has investigated whether this will attenuate the rise in core temperature (Tc) during strenuous exercise in the heat and, importantly, whether these physiological changes can affect real-life sporting performance

    The State of the Region: Hampton Roads 2020

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    [From the introductory material] This is Old Dominion University’s 21st annual State of the Region Report. While it represents the work of many people connected in various ways to the university, the report does not constitute an official viewpoint of Old Dominion, its president, John R. Broderick, the Board of Visitors, the Strome College of Business or the generous donors who support the activities of the Dragas Center for Economic Analysis and Policy. Although our devotion to this work remains steadfast, our enthusiasm, admittedly, has been dampened by the COVID-19 pandemic and the toll it has taken on the region, Commonwealth and nation. In consideration of the national conversation on race and inequality, we have included additional material to shed light on how race affects economic outcomes in Hampton Roads. Hampton Roads plays a significant role in our nation’s national security, provides college education to thousands of Virginians, is working to adapt to sea level rise and is culturally diverse. There are challenges, of course, but, as the adage goes, challenge and opportunity are two sides of the same coin. To adapt, improve and overcome, we must understand where we are and where we want to go. Our work seeks to contribute to this conversation without glossing over the challenges we face

    Environment, Migratory Tendency, Phylogeny and Basal Metabolic Rate in Birds

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    Basal metabolic rate (BMR) represents the minimum maintenance energy requirement of an endotherm and has far-reaching consequences for interactions between animals and their environments. Avian BMR exhibits considerable variation that is independent of body mass. Some long-distance migrants have been found to exhibit particularly high BMR, traditionally interpreted as being related to the energetic demands of long-distance migration. Here we use a global dataset to evaluate differences in BMR between migrants and non-migrants, and to examine the effects of environmental variables. The BMR of migrant species is significantly higher than that of non-migrants. Intriguingly, while the elevated BMR of migrants on their breeding grounds may reflect the metabolic machinery required for long-distance movements, an alternative (and statistically stronger) explanation is their occupation of predominantly cold high-latitude breeding areas. Among several environmental predictors, average annual temperature has the strongest effect on BMR, with a 50% reduction associated with a 20°C gradient. The negative effects of temperature variables on BMR hold separately for migrants and non-migrants and are not due their different climatic associations. BMR in migrants shows a much lower degree of phylogenetic inertia. Our findings indicate that migratory tendency need not necessarily be invoked to explain the higher BMR of migrants. A weaker phylogenetic signal observed in migrants supports the notion of strong phenotypic flexibility in this group which facilitates migration-related BMR adjustments that occur above and beyond environmental conditions. In contrast to the findings of previous analyses of mammalian BMR, primary productivity, aridity or precipitation variability do not appear to be important environmental correlates of avian BMR. The strong effects of temperature-related variables and varying phylogenetic effects reiterate the importance of addressing both broad-scale and individual-scale variation for understanding the determinants of BMR
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