Search results for "Resource"
showing 10 items of 4058 documents
Medio físico y características constructivas de galerías drenantes de aguas subálveas en ambientes semiáridos del sudeste español y Túnez
2021
Draining galleries are water collection systems that occurs frequently in various geomorphic contexts of semi-arid environments. In this article, we study those that take advantage of subalveal waters by means of different construction techniques, mainly 'cimbras' and 'cimbra-zanjas'. A comparison has been made between the Tunisian galleries and those of the Spanish SE that have these two characteristics: the exploitation of subsubalveal waters and surface detritic aquifers, and rainfall characteristics of semi-arid climates, specifically annual total rainfall between 300 and 400 mm. The work analyzes the environmental contexts of the selected galleries, especially geology, geomorphology, r…
Water Consumption and Management in Schools in the City of Alicante (Southern Spain) (2000–2017): Free Water Helps Promote Saving Water?
2020
Studies on water in cities usually focus on household consumption. However, little attention has been given to non-household consumption and schools from a geographic perspective. The objectives of this research are to examine water consumption trends in schools in the city of Alicante (Southern Spain) between 2000&ndash
Implementation Challenges for Supporting Coworking Virtual Enterprises
2013
The creation of co working alliances is usually restricted to the coworkers in the same workspace. However, they might not necessarily be best partners to take advantage of a collaboration opportunity. To break the spatial constrains and find the best partners irrespective of their co working spaces location, our proposal is to represent and manage the co working alliances as virtual enterprises (VEs) and to develop a multi-agent system (MAS) that serves as Virtual Breeding Environment (VBE). In this paper we provide the basis for the future development of this system. Thus, we introduce the co working VEs distinguishing features and the initial proposals on how to implement the MAS to addr…
La pandemia da COVID-19: mutamento e persistenze
2022
L’analisi dei documenti prodotti in Italia sul tema dell’accesso alle terapie intensive durante la pandemia da COVID-19 indica che la riflessione sulle questioni di accesso alle risorse drammaticamente limitate nel nostro Paese è ancora molto acerba e meriterebbe lavori di indagine più accurata e approfondita con un contributo multidisciplinare. Bioetica. Rivista interdisciplinare ha contribuito alla maturazione e alla crescita delle conoscenze in questo ambito, con la pubblicazione di diversi articoli. Tale apertura verso i temi di giustizia distributiva mostra la capacità della rivista di cogliere e affrontare i temi emergenti nel dibattito bioetico italiano, mostra il suo sapere essere “…
Gender and potential wage in Europe: a stochastic frontier approach
2011
PurposeThe purpose of this paper is to provide evidence concerning wage differentials and the existence of gender pay discrimination in France, Germany, Italy, Spain and the United Kingdom.Design/methodology/approachThe authors used the stochastic frontier approach as an alternative method to measure the relevance of gender discrimination. This methodology allows them to explain the differences between the potential and the observed wage that an individual could obtain, given his or her human capital endowment.FindingsThe authors found support for wage discrimination against women. The results show that a significant part of the gender wage gap in all the countries analysed is not attributa…
The popularization of plate tectonics: presenting the concepts of dynamics and time
1996
There have been many attempts to describe and represent the theory of plate tectonics to laypeople. In the context of a study conducted at the request of a museum, we have tried to determine how the concepts of both geological time and the movements of the plates have been reformulated. After having systematically studied in detail publications aimed at more or less educated readers, we have selected a corpus of twelve articles from nine different magazines or journals. Among the different means of expression used by the popularizers, rhetorical figures constitute a significant resource. Procedures based on analogy (metaphor, comparison, analogical reasoning) were brought together in a sing…
Developmental trends in children's pretend play.
1991
The developmental trends in pretend play were investigated in children 2-6 years of age (18 in each of five age groups) by examining changes in pretend action and speech separately. Play behaviour was assessed by using a selected set of Duplo Lego toys. Interest focused on occurrence of decentration, decontextualization and integration at different age levels. The proportions of decentred and decontextualized acts, action integrations and play themes, increased linearly with age. Changes in substitutive and inventive actions were, however, more minor than expected. Single-scheme combinations did not reveal any essential aspect of the development of children's symbolic competence. In this se…
Recovery of Lithium Carbonate from Dilute Li-Rich Brine via Homogenous and Heterogeneous Precipitation
2022
An extensive experimental campaign on Li recovery from relatively dilute LiCl solutions (i.e., Li+ similar to 4000 ppm) is presented to identify the best operating conditions for a Li2CO3 crystallization unit. Lithium is currently mainly produced via solar evaporation, purification, and precipitation from highly concentrated Li brines located in a few world areas. The process requires large surfaces and long times (18-24 months) to concentrate Li` up to 20,000 ppm. The present work investigates two separation routes to extract Li+ from synthetic solutions, mimicking those obtained from low-content Li+ sources through selective Li+ separation and further concentration steps: (i) addition of …
Pedotechnique applications in large-scale farming: Economic value, soil ecosystems services and soil security
2019
Abstract Since ancient times Humans and Soil have experienced interwoven links. Nowadays soil scientists continue to stress such links highlighting the importance of soil in: i) satisfying the ever growing Human demand for food, water and energy, and ii) providing ecosystem services that mitigate climate changes, influence human health and improve biodiversity. Pedotechniques are recently used to generate soils suitable for table grape cultivation in order to increase productivity and grape quality, thus to get substantial financial returns. We show one emblematic study case of pedotechniques applied in Sicily (Italy). Aims of the investigation were: i) stressing threats to soil security de…
Maternal care provides antifungal protection to eggs in the European earwig
2014
Many insects raise their offspring on organic substrates or in the soil where microorganisms are abundant. Microbes may pose a serious threat to offspring development and survival by either decomposing food resources or directly infecting the offspring. Selection to cope with these effects may favor social defenses, for example, through forms of parental care that can limit or eliminate these threats to offspring fitness. In this study, we experimentally tested if maternal egg attendance in the European earwig Forficula auricularia has a function as a social defense against mold infection of eggs by manipulating exposure of eggs to mold spores and the presence of the mother in a fully facto…