Search results for "Sources"
showing 10 items of 2554 documents
Theorising about barriers to open e-learning systems in public administrations
2018
Abstract Barriers to the general use of e-learning technology are known across various contexts. Despite increasing efforts to clarify the range of these barriers, few efforts have been made to advance the theorising about them and, thus, to answer why and how they unfold. This study is motivated to overcome this unaddressed problem and develops a process model based on adaptive structuration theory (AST) and the punctuated socio-technical change model (PSIC). It represents how barriers unfold between actors, technology, and organisational properties in public administrations. The PaSIC model provides a new perspective on how critical incidents drive the emergence and progress of barriers t…
Il soft law e la resilienza del diritto internazionale
2017
While it is not international law, soft law has an influence on the creation and application of the latter and it is, therefore, relevant to international legal analysis. Moving from this premise, the present paper analyses the role and relevance of soft law in connection with some aspects of the recent development of the international society and international legal order: the emergence of new actors, the rise of problems requiring rapid, experimental, and highly technical solutions, and the need for a shift away from traditional consensualism in response to global public goods challenges. Its main argument is that, rather than sidelining international law in the regulation of internationa…
Cover Crop Impact on Soil Organic Carbon, Nitrogen Dynamics and Microbial Diversity in a Mediterranean Semiarid Vineyard
2020
Cover crop (CC) management in vineyards increases sustainability by improving soil chemical and biological fertility, but knowledge on its effects in semiarid soils is lacking. This study evaluated the effect of leguminous CC management on soil organic carbon (SOC) sequestration, soil nitrate content and microbial diversity in a semiarid vineyard, in comparison to conventional tillage (CT). SOC and nitrate were monitored during vine-growing season
Influence of environmental factors on the spatial distribution and diversity of forest soil in Latvia
2012
This study was carried out to determine the spatial relationships between environmental factors (Quaternary deposits, topographical situation, land cover, forest site types, tree species, soil texture) and soil groups, and their prefix qualifiers (according to the international Food and Agricultural Organization soil classification system World Reference Base for Soil Resources [FAO WRB]). The results show that it is possible to establish relationships between the distribution of environmental factors and soil groups by applying the generalized linear models in data statistical analysis, using the R 2.11.1 software for processing data from 113 sampling plots throughout the forest terri…
Assessment of soil suitability for improvement of soil factors and agricultural management
2019
The dramatic growth of the world&rsquo
Mean Interplanetary Magnetic Field Measurement Using the ARGO-YBJ Experiment
2011
The sun blocks cosmic ray particles from outside the solar system, forming a detectable shadow in the sky map of cosmic rays detected by the ARGO-YBJ experiment in Tibet. Because the cosmic ray particles are positive charged, the magnetic field between the sun and the earth deflects them from straight trajectories and results in a shift of the shadow from the true location of the sun. Here we show that the shift measures the intensity of the field which is transported by the solar wind from the sun to the earth.
Study of 3D sound for an audio-visual interaction in enriched virtual environment
2011
Most of the applications integrating 3D sound in virtual environment are limited to acoustic simulation. The objective of this thesis is to study the added value of 3D sound in the interaction with virtual environment. We developed an audio stimulation technique called "Artificial Spatial Audio Sensation: (ASAS)" based on the creation of audio effects. This technique conveys the sensations of spatialized sound that allows accurate sound source localization in azimuth and in elevation. In order to improve the localization time we also developed a model that integrates Head-Related Transfer Function (HRTF) with the ASAS technique. For the simulation of the depth of spatial sound sources, we d…
Approche des premières cryptes du haut Moyen Âge en France
2003
Place: Zagreb-Motovun
Architecture and Sculpture at Autun aroud the Millennium in The White mantle of Churches. Architecture, Liturgy and Art around the Millennium
2003
N. Hiscock,; International audience
D'une surface à l'aute, archéologie des revêtements
2004
International audience