Search results for "project"
showing 10 items of 3466 documents
Regions of Existence and Transformations of (3+1)-D Dissipative Optical Solitons
2006
We demonstrate the existence of stable optical light bullets in nonlinear dissipative media featuring both normal and anomalous chromatic dispersion. Beyond the domain where stable bullets are found, unstable bullets can be transformed into "rockets".
The 2014 Magnetism Roadmap
2014
Magnetism is a very fascinating and dynamic field. Especially in the last 30 years it has experienced many major advances in the full range from novel fundamental phenomena to new products. Applications such as hard disk drives and magnetic sensors are part of our daily life, and new applications, such as in non-volatile computer random access memory, are expected to surface shortly. Thus it is timely for describing the current status, and current and future challenges in the form of a Roadmap article. This 2014 Magnetism Roadmap provides a view on several selected, currently very active innovative developments. It consists of 12 sections, each written by an expert in the field and addressi…
Système de prise d'images haute résolution pour l'analyse de projection de particules : application à l'épandage centrifuge d'engrais
2002
This paper describes the design of a high resolution low cost imaging system for the analysis of high speed particle projection. This system, based on a camera and a set of flashes, is used to characterize the centrifugal spreading of fertilizer particles ejected at speeds of environ 30 m s. Multiexposure images collected with the camera installed perpendicular to the output flow of granules are analysed to estimate the trajectories of the fertilizer granules. Very good results are obtained with the Markov random fields method, in comparison with others.
L'allaitement en France trop court par rapport aux recommandations
2015
L'allaitement en France trop court par rapport aux recommandations. Dans "La République du Centre" le 21 septembre 2015 sur news.google.com
Ventilatory conditioning by self-stimulation in rats: A pilot study
1994
International audience; This article describes an experimental attempt to condition breathing pattern in rats. In this experiment, a freely moving rat was first rewarded by an electrical stimulation of the medial forebrain bundle whenever inspiratory duration (TI) exceeded 300 ms. A bidirectional control was then used: TIs longer than 400 ms were rewarded, and then TIs shorter than 300 ms were rewarded. The frequency of TIs longer than 300 ms increased when this event was rewarded, further increased when TIs above 400 ms were rewarded, and decreased during reversal conditioning (TI < 300 ms). At the beginning of the experiment, stimulation caused increased arousal and motor activity, but af…
Discussion on collaborative works on rare plants protection
2014
During the session, I presented the interest of studying rare plants and the need to assess the relative success of different conservation measures. Besides its rationale and the diverse benefits for agriculture, biodiversity and human heritage, I discussed the hassle of getting money to setup programs and get money from national and European agencies. Being sexy for decision-makers and explaining key questions for reviewers was illustrated by deciders’’ responses to three calls for public tender for research proposals in the area of agriculture and biodiversity. One proposal was for a European research grant on restoration of arable plant communities. Ten of the 52 eligible projects were a…
Toward a better prediction of in-field weed regulation by carabid beetles in European arable landscapes
2019
International audience; Arable agriculture is still highly reliant on herbicides to manage weeds. As part of the necessary shift towards a reduction in pesticide use, the regulatory effect of seed-eating carabid beetles on weeds has received increasing attention in agroecological research. While strong evidence points to carabids exerting a regulatory effect on certain weed species, it is difficult to predict whether a particular assemblage of carabid species will drive the function of weed seed predation in field conditions. There are also uncertainties about which key local and landscape-scale factors affect the function of weed seed predation. In this paper, we report on specific researc…
How Europe can succeed the Socio-Ecological Transition? “New-LiFE” EU FP7 SSH project
2010
International audience
Contextualization of archaeological information using augmented photospheres, viewed with head-mounted displays.
2019
Photospheres, or 360°
De l'intelligence territoriale. Théorie, posture, hypothèses, définitions
2006
In this article, our goal is to present characteristics of what we call territorial intelligence as a theory, attitude, and ascending step of collective intelligence based on citizen approach of territorial valorization. And the capacity (or the incapacity) of the actors Co-to write the scenario of their future within a widened framework, the U.E, in connection with local dimension. Vision of the territory lived and the urban context is upset. Any kind of local actors, from citizens to business men through political, are facing to the jamming of territories and space references, which results from mobility, immateriality. Invisible and virtual space takes an increasing weight and, on the sa…