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showing 10 items of 709 documents
La ville abstraite : une analyse des représentations théoriques de la ville
1995
Par le terme générique de ville abstraite, nous désignons les représentations de la ville sur lesquelles s'appuie un discours théorique, économique, géographique ou social, positif ou normatif, ou qui sont l'objet d'un tel discours. Ces représentations sont des constructions mentales conscientes réalisées dans le but explicite de donner du sens à la ville, c'est-à-dire de n'en retenir que certains éléments jugés significatifs pour ce que l'on veut démontrer. Nous distinguons ce type de représentation de deux autres que nous ne traitons pas. La première est celle de la ville perçue. C'est une représentation mentale qui se construit dans l'esprit de l'individu qui se localise, vit dans la vil…
An inhabited bridge between city and countryside
2015
With its propagation beyond the ancient walls in the countryside, the contemporary urban pattern of Piacenza flakes off, is frayed, making feeble the limit between rus and urbs; the continuous and porous old town gives way to the sprawl. In this project, the main idea is that, through moderate and small signs, defined by thematic pavilions (which are the general goal to achieve according to the Summer School), the effects can affect the urban scale, in a much wider field than the real area of intervention. So in this case the pavilion itself is thought as a bridge on the threshold between city and countryside. Moreover, the soil design, starting from the edges of the city, allows to fix the…
Speed control of the V2 skating technique in elite cross-country skiers
2016
The aim was to examine how skiers control skiing speed using V2-skating. Subjects skied with three submaximal and maximal speeds on 100 m 4° uphill. Cycle variables and force parameters form the arms and legs were analysed. Cycle rate increased up to the maximum speed. Cycle length increased from the slowest speed to the all other speeds. Pole force and delta leg force increased up to the maximum speed. Ranges of motions and angular velocities of kick flexion and extension with knee and hip joints increased till highest submaximal speed. Speed was regulated with cycle length and rate while the latter was dominant after ∼5.0 m/s. Higher speed was reached with higher forces from arms and leg…
A Comparison of Physical Activity Levels in Childcare Contexts among Finnish and Dutch 3-Year-Olds
2016
The aim of the current study was to determine Finnish and Dutch three-year-old preschool children’s physical activity (PA) levels and how levels vary across gender, location, time of day and social contexts in both countries. A modified version of the Observational System for Recording Physical Activity in Children-Preschool (OSRAC-P) was used to measure children’s PA levels and contextual variables (e.g. group composition, prompts) of children attending childcare centres in Finland and the Netherlands. In total, 90 Finnish children (46 boys and 44 girls) and 97 Dutch children (46 boys and 51 girls) were observed. Three-level linear regression analyses with cross level interactions were use…
Asylum Migration, Borders, and Terrorism in a Structural Gravity Model
2021
This article has benefited from very helpful comments from two anonymous reviewers and the Academic Editor Inmaculada Martinez. The authors would like to acknowledge the financial support from Junta de Andalucia (SEJ 413), from Generalitat Valenciana (GV Prometeo 2018/102 and GV/2020/012), the Spanish Ministry of Science, Innovation and Universities (RTI2018-100899-B-I00, co-financed with FEDER), and the Kellogg Institute for International Studies (University of Notre Dame).
Contribution and effectiveness of ski and pole forces in selected roller skiing techniques on treadmill at moderate inclines
2023
BackgroundMost of the studies about the effects of incline on cross-country skiing are related to the metabolic efficiency. The effective skiing biomechanics has also been indicated to be among the key factors that may promote good performance. The aims of this study were to provide biomechanical characteristics and investigate the relative contribution and effectiveness of ski and pole forces in overcoming the total external resistance with double poling (DP) and Gear 3 (G3) techniques at varying moderate uphill inclines.Methods10 male cross-country skiers participated in this study. Custom-made force measurement bindings, pole force sensors, and an 8-camera Vicon system were used to colle…
Informational interactions and the future of cities
1998
Present-day city growth is chiefly the result of new tertiary activities such as financial and producer services, R&D, or business administration. It seems that these activities need to be more spatially concentrated than traditional manufacturing activities. These new trends affect both the structure of cities and the structure of city systems. The specific nature of the new activities concentrated in city centers makes them information intensive. These activities consume human capital, knowledge and hightech capital, which are all rapidly changing inputs; they are based on complex decisionmakingprocesses; this renders them highly information-dependent. Inasmuch as these activities are the…
Global Perspective on Marital Satisfaction
2020
Across the world, millions of couples get married each year. One of the strongest predictors of whether partners will remain in their relationship is their reported satisfaction. Marital satisfaction is commonly found to be a key predictor of both individual and relational well-being. Despite its importance in predicting relationship longevity, there are relatively few empirical research studies examining predictors of marital satisfaction outside of a Western context. To address this gap in the literature and complete the existing knowledge about global predictors of marital satisfaction, we used an open-access database of self-reported assessments of self-reported marital satisfaction wit…
Horizon 2000 : prévisions des dépenses d'éducation primaire dans les pays en développement
1990
The aim of the present article is to provide a statistical assessmentof the amount of public money developing countries will nedd to spend in order to meet the estimated demand for primary education in the year 2000 and to evaluate the cost of providing universal primary education by that date.
Cross-country comparisons on the relative relationship between education and workplace task discretion
2017
International audience