47,842 research outputs found
Modeling of a smart grid system using real time data on NEPLAN
No full textThe simulation model of the Smart Grids Laboratory of the Institute of Energy and Transport is presented in this paper and a day of its operation is analyzed. The developed model simulates six different modules (a photovoltaic array, a Li-ion battery storage system, a small wind turbine, a diesel generator, a laboratory load and the connection point with the grid). The modules are connected radially at a common bus
G. M. Hopkins
No full text[sound recording] / Brendan O'Grady. G. B. Shaw by Fran Frazer.; 1 sound cassette (60 minutes); Broadcast on CFCY Radio, Charlottetown, March 07 & 11, 1974.; G. B. ShawSource type: Electronic(1
Erratum to: Effect of moderate red wine intake on cardiac prognosis after recent acute myocardial infarction of subjects with Type 2 diabetes mellitus (Diabetic Medicine, (2006), 23, 9, (974-981), 10.1111/j.1464-5491.2006.01886.x)
No full textIn an article by Marfella et al, the author name C. Saron is incorrect and should be listed as C. Sardu. Therefore the correct author list is: R. Marfella, F. Cacciapuoti, M. Siniscalchi, F. C. Sasso, F. Marchese, F. Cinone, E. Musacchio, M. A. Marfella, L. Ruggiero, G. Chiorazzo, D. Liberti, G. Chiorazzo, G. F. Nicoletti, C. Sardu, F. D'Andrea, C. Ammendola, M. Verza and L. Coppola.In an article by Marfella et al, the author name C. Saron is incorrect and should be listed as C. Sardu. Therefore the correct author list is: R. Marfella, F. Cacciapuoti, M. Siniscalchi, F. C. Sasso, F. Marchese, F. Cinone, E. Musacchio, M. A. Marfella, L. Ruggiero, G. Chiorazzo, D. Liberti, G. Chiorazzo, G. F. Nicoletti, C. Sardu, F. D'Andrea, C. Ammendola, M. Verza and L. Coppola
The M&G Drive
No full textabstract: The M&G Drive is a proposed venture project lead by Barrett seniors, Elijah Smith and Jenna Fitzgerald. This project aims to educate Arizona State University (ASU) students on the issues of food insecurity around the Phoenix valley and facilitate their involvement in helping alleviate this pressing social matter. Scientific research has shown significant inverse relationships between food insecurity and the following: mental and physical health, social skills, and academic achievement. As the largest public university in the nation, Arizona State holds a self-ascribed responsibility for the health of its communities. In order to address this issue on behalf of Arizona State and from the standpoint of college students, this proposed venture will encourage the ASU student population to reallocate their unused M&G Dollars (ASU’s on-campus currency) to go toward this cause. Rather than being absorbed back by the university system, unused M&G Dollars can instead be used to purchase non-perishables that will then be donated to the local Phoenix community in order to help fight against food insecurity
Lah–Ribarič type inequalities for (h, g; m)-convex functions
No full textRecently introduced new class of (h, g; m)-convex functions unifies a certain range of convexity, thus allowing the generalizations of know results. In this paper we prove Lah–Ribarič type inequalities for (h, g; m)-convex functions from which we obtain inequalities of Hermite–Hadamard, Fejér, Giaccardi, Popoviciu and Petrović. © 2021, The Author(s) under exclusive licence to The Royal Academy of Sciences, Madrid
Statistical modeling of Chevreul's salt recovery from leach solutions containing copper
No full textIn this study, oxidized copper ore was dissolved under optimum conditions [temperature 14 degrees C, average particle size 2.8 mm, stirring speed 500 rpm, ammonia concentration 2.824 mol L-1, ammonium sulphate concentration 0.236 mol L-1, solid-to-liquid ratio 0.167 g mL(-1), leaching time 2 h] in an aqueous NH3-(NH4)(2) SO4 solution [T. Calban, S. Colak, M. Yesilyurt, Optimization of leaching of copper from oxidized copper ore in NH3-(NH4)(2)SO4 medium, Chem. Eng. Commun., in press]. Chevreul's salt was precipitated by passing SO2 from these leach solutions. Chevreul's salt, a mixed valence copper sulfite Cu2SO3 center dot CuSO3 center dot 2H(2)O, was characterized by XRD and SEM. The effects of parameters, such as temperature, pH, stirring speed and reaction time, were investigated on precipitation of Chevreul's salt. 2" factorial experimental design and orthogonal central composite design methods in the precipitation experiments were used. It was observed that the most effective parameters on the precipitation of Chevreul's salt were temperature, stirring speed and reaction time. The optimum conditions established for maximum copper precipitation were: temperature 62 degrees C, pH 3, stirring speed 600 rpm, reaction time 12 min. Fixed parameters chosen at the initial stage of the reaction were: SO2 flow rate 358 L h(-1), concentration of CuSO4 solution 7.383 g Cu L-1. Under these optimum conditions, the percentage of copper precipitated from leach solution was 99.92. (c) 2005 Elsevier B.V. All rights reserved
Representative Bureaucracy and the Willingness to Coproduce: An Experimental Study
No full textRelying on the theory of representative bureaucracy—specifically, the notion of symbolic representation—this article examines whether varying the number of female public officials overseeing a local recycling program influences citizens’ (especially women's) willingness to cooperate with the government by recycling, thus coproducing important policy outcomes. Using a survey experiment in which the first names of public officials are manipulated, the authors find a clear pattern of increasing willingness on the part of women to coproduce when female names are more represented in the agency responsible for recycling, particularly with respect to the more difficult task of composting food waste. Overall, men in the experiment were less willing to coproduce across all measures and less responsive to the gender balance of names. These findings have important implications for the theory of representative bureaucracy and for efforts to promote the coproduction of public services.This is the peer reviewed version of the following article: Riccucci, Norma M., Van Ryzin, Gregg G. & Li, Huafang. (2015). Representative Bureaucracy and the Willingness to Coproduce: An Experimental Study. Public Administration Review, which has been published in final form at http://dx.doi.org/10.1111/puar.12401. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.Peer reviewe
Ground-based geological mapping integrated by UAs in the Chiavenna area (Central Alps): examples of application in the frame of the CARG project
No full textGround-based geological mapping integrated by UAs in the Chiavenna area (Central Alps):
examples of application in the frame of the CARG project
Tartarotti P.*1, Apuani T.', Arrigoni F.', Conforto A.', Pigazzi E.', Tantardini D.' & Toffolon G.?
1 Dipartimento di Scienze della Terra
"A. Desio", Università di Milano. 2 Contractor CARG-Valchiavenna Project.
Corresponding author e-mail: [email protected]
Traditional ground-based mapping of cry stalline basements is essential to unravel their tectono-metamorphic
evolution. However, the structural setting of metamorphic terranes is most of the time complicated by the
polyphase history, not least by neotectonics. Many scientific difficulties can be overcome by implementing
the field work with analytical investigations, such as chemical or geochronological analyses, that may solve
several geological issues as long as the structural and microstructural features are well constrained. Recently, an
interest has been growing in advanced technologies dedicated to data acquisition and applications in geological
mapping. Nowadays, unmanned aerial systems (UASs) such as drones are more and more utilised, especially
in mineral exploration and mine exploitation (.g., Honarmand & Shahriari, 2021). Drone photogrammetry
is particularly useful in inaccessible areas, opening a new perspective for all kinds of ground operators. We
used DJI Mavic 2 Pro and DJI Mavic Mini drones to implement the traditional field work on crystalline
basements in the Chiavenna area (Central Alps), within the frame of the project '
"Carta Geologica d'Italia
at scale 1:50.000 - CARG', covering ca. 700 kmq. This area is characterized by altitudes ranging between
200 and 3300 m a.s.l., and by a hostile topography with steep slopes and few road access that make many
outcrops scarcely or not reachable. Most of the territory sees the exposure of polymetamorphic basements of
the Penninic Suretta, Tambò, and Adula Nappes, separated by sheets of Mesozoic metasedimentary rocks, the
Chiavenna unit, interpreted as a remnant of the Valais Ocean, and the Gruf Complex, whose attribution is still
uncertain, intruded in the southeastern portion by the Bergell pluton (Schmid et al., 1996). UAS tools turn to
be fundamental in such kind of terrains, whose applications regard the recognition of different lithologies on
exposed surfaces, structures, morphologies, and landslides. Reiteration of field and intermediate laboratory
work, with UAS-assisted surveys is necessary to finalise the geological mapping and its interpretation.
Honarmand M. & Shahriari H. (2021) - Geological Mapping Using Drone-Based Photogrammetry: An Application for
Exploration of Vein-Type Cu Mineralization. Minerals, 11(6), 585.
Schmid S. M., Pfiffner O. A., Froitzheim N., Schönborn G. & Kissling E. (1996) - Geophysical-geological transect and
tectonic evolution of the Swiss-Italian Alps. Tectonics, 15(5), 1036-1064
RESTLESS BANDIT MARGINAL PRODUCTIVITY INDICES II: MULTIPROJECT CASE AND SCHEDULING A MULTICLASS MAKE-TO-ORDER/-STOCK M/G/1 QUEUE
No full textThis paper develops a framework based on convex optimization and economic ideas to formulate and solve approximately a rich class of dynamic and stochastic resource allocation problems, fitting in a generic discrete-state multi-project restless bandit problem (RBP). It draws on the single-project framework in the author´s companion paper “Restless bandit marginal productivity indices I: Single-project case and optimal control of a make-to-stock M/G/1 queue”, based on characterization of a project´s marginal productivity index (MPI). Our framework significantly expands the scope of Whittle (1988)´s seminal approach to the RBP. Contributions include: (i) Formulation of a generic multi-project RBP, and algorithmic solution via single-project MPIs of a relaxed problem, giving a lower bound on optimal cost performance; (ii) a heuristic MPI-based hedging point and index policy; (iii) application of the MPI policy and bound to the problem of dynamic scheduling for a multiclass combined MTO/MTS M/G/1 queue with convex backorder and stock holding cost rates, under the LRA criterion; and (iv) results of a computational study on the MPI bound and policy, showing the latter´s near-optimality across the cases investigated.
Corrigendum to “Presence and function of kisspeptin/KISS1R system in swine ovarian follicles” (Theriogenology (2018) 115 (1–8), (S0093691X1830147X), (10.1016/j.theriogenology.2018.04.006))
No full textThe authors regret the following changes to the author group G. Basinia, F. Grassellia, S. Bussolatia, R. Ciccimarraa, M. Maranesib, A. Bufalarib, C. Dall'Agliob, F. Parilloc,#, M. Zeranib,c,*. a Dipartimento di Scienze Mediche Veterinarie, Università di Parma, 43126 Parma, Italy. b Dipartimento di Medicina Veterinaria, Università di Perugia, 06126 Perugia Italy. c Scuola di Bioscienze e Medicina Veterinaria, Università di Camerino, 62024 Matelica Italy. # Deceased. * Corresponding author: tel.: +39 0755857642; fax +39 0755857654. E-mail address: [email protected] (M. Zerani). And to the acknowledgements and figures
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