137,130 research outputs found
Dataset: Angle-spliced SMF to hollow core fiber connection with optimized back-reflection and insertion loss
No full textThis dataset supports the manuscript submitted to Journal of Lightwave Technology:
Cong Zhang, E. N. Fokoua, S. Fu, M. Ding, F. Poletti, D. J. Richardson, and R. Slavík
Angle-spliced SMF to hollow core fiber connection with optimized back-reflection and insertion loss. The dataset consists of an uploaded Archive (RAR) folder which includes 5 data files in Excel format.</span
Paradoxivena, a new leafhopper genus (Hemiptera: Cicadellidae: Stegelytrinae) from Tibet, China
No full textWei, Cong, Zhang, Yalin, Webb, M. D. (2006): Paradoxivena, a new leafhopper genus (Hemiptera: Cicadellidae: Stegelytrinae) from Tibet, China. Zootaxa 1372: 27-33, DOI: 10.5281/zenodo.17493
MeSH term explosion and author rank improve expert recommendations
No full textInformation overload is an often-cited phenomenon that reduces the productivity, efficiency and efficacy of scientists. One challenge for scientists is to find appropriate collaborators in their research. The literature describes various solutions to the problem of expertise location, but most current approaches do not appear to be very suitable for expert recommendations in biomedical research. In this study, we present the development and initial evaluation of a vector space model-based algorithm to calculate researcher similarity using four inputs: 1) MeSH terms of publications; 2) MeSH terms and author rank; 3) exploded MeSH terms; and 4) exploded MeSH terms and author rank. We developed and evaluated the algorithm using a data set of 17,525 authors and their 22,542 papers. On average, our algorithms correctly predicted 2.5 of the top 5/10 coauthors of individual scientists. Exploded MeSH and author rank outperformed all other algorithms in accuracy, followed closely by MeSH and author rank. Our results show that the accuracy of MeSH term-based matching can be enhanced with other metadata such as author rank
Going Beyond Counting First Authors in Author Co-citation Analysis
No full textThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Pr\ue9vention des cong\ue8res aux alentours des b\ue2timents
No full textLa formation de cong\ue8res constitue, dans les secteurs d\ue9 couverts de la plupart des r\ue9gions du Canada, un ph\ue9nom\ue8ne, qu'il est impossible d'\ue9viter. On peut cependant, en choisissant pour les b\ue2timents des emplacements et des formes convenables, et en agissant judicieusement sur le paysage environnant, minimiser l'importance des cong\ue8res ind\ue9 sirables qui prennent naissance autour des b\ue2timents. Parmi les mesures sp\ue9ciales de protection figure l'installation de barri\ue8res destin\ue9es \ue0 rassembler la neige dans des endroits pr\ue9d\ue9termin\ue9s ou \ue0 la transporter plus loin par soufflage. Lorsqu'on \ue9tudiera les dispositions de nature \ue0 emp\ueacher la formation des cong\ue8res, on devra tenir compte avec soin de la direction du vent porteur de neige.Also available in English: Control of snow drifting about buildingsPeer reviewed: NoNRC publication: Ye
Is it beneficial to use biogas in the Danish transport sector? – An environmental-economic analysis
No full textDenmark is ambitious in the green transition of its transport sector. The biogas has potentials to substitute diesel as the vehicle fuel. In this paper, we examine the whole chain of biogas utilisation (biomass supply, biogas production and distribution, and fuel substitution) from both environmental and economic perspectives. We find that with low/high biomass supply potentials, the saved greenhouse gas emissions range from 0.89 to 1.66 million tons/2.19 to 4.27 million tons CO(2)e (carbon dioxide equivalent). The soil carbon stock could increase 52310/124770 tons with low/high biomass supply potentials (measured as remaining carbon in soil in 100 years after application of digestate into soil). The biogas plant owners can obtain a return of investment ranging from 10.78% to 13.62% depending on biomass supply potentials and biogas production technologies. The farmers can save up to 717.93 and 1382.1 million DKK (Danish krone) by substituting mineral P (phosphorus) and N (nitrogen) fertilisers with low biomass supply potential and 1.74 and 3.44 billion DKK with high biomass supply potential. Finally, the vehicle users have incentives to use biogas because of its cost advantage. However, there are also some potential barriers and uncertainties in achieving the green transition, e.g. initial investment for CO2 conversion equipment and diesel-vehicle users' sunk costs, which could require suitable policy supports. We suggest that using biogas in heavy-duty vehicles could be an effective way to reduce carbon emissions in the transport sector. (C) 2017 Elsevier Ltd. All rights reserved
"Closing the R&D Gap, Evaluating the Sources of R&D Spending"
No full textBoth spending and tax policies have been implemented in the United States with the goal of stimulating private sector research and development (R&D). Karier questions whether current R&D policy, especially the research and experimentation tax credit, can contribute to closing the gap between nondefense expenditures on R&D in the United States and such expenditures in other countries, such as Japan and Germany. He also explores possible changes to our current R&D policy to make it more effective.
Effect of bGH gene polymorphism on milk yield and composition in podolica cows. Preliminary results
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