Results 51 to 60 of about 19,690 (276)

Efficience des politiques de l’Etat pour une sécurité alimentaire en blé tendre au Maroc

open access: yesAlternatives Rurales, 2017
L’objectif visé par cet article est d’analyser, d’une part, le taux de couverture des besoins de consommation en blé tendre par la production nationale et, d’autre part, le coût d’intervention de l’Etat sur l’ensemble de la filière depuis le lancement du
Kawtar Rerhrhaye   +1 more
doaj  

Studying durability of units’ details of running gear’s friction of kamaz automobiles

open access: yesВестник СибАДИ, 2017
The article presents results of experimental (using developed method and a tribometr) and natural tests of lubrications’ efficiency of various structures and decreasing wear’s friction.
V. V. Evstifeev   +2 more
doaj   +1 more source

Effet de la date d'épandage sur l'efficience et le devenir de l'azote du lisier appliqué en prairie permanente en Haute Ardenne [PDF]

open access: yes, 2013
Efficiency and fate of slurry N applied to permanent grass in Ardenne (Belgium) – Effect of the choice of spreading period. In Haute Ardenne and Pays de Herve, areas devoted to grass, slurry represents the main source of nitrogen; slurry is applied on ...
Destain, JP., Godden, B., Luxen, P.
core  

Local and global duality and the determination of \alpha(M_Z)

open access: yes, 1999
This talk presents work concepts and results for the determination of the fine structure constant $\alpha$ at the $Z_0$ mass resonance. The problem consisting of the break-down of global duality for singular integral weights is circumvented by using a ...
Groote, S.
core   +2 more sources

Analysing resilience of European beech tree to recurrent extreme drought events through ring growth, wood anatomy and stable isotopes

open access: yesJournal of Ecology, Volume 113, Issue 4, Page 955-973, April 2025.
Recent drought events in Central Europe have caused widespread forest dieback with detrimental effects on forest functioning. We investigated the physiological processes linked to water and carbon constraints involved in the resilience of beech cambial growth to drought.
Guangqi Zhang   +6 more
wiley   +1 more source

Efficience des pratiques responsables des entreprises cotées en bourse de Casablanca. Une analyse par la méthode DEA

open access: yesRevue des Sciences Humaines et Sociales de l’Académie du Royaume du Maroc
Cet article a pour objectif l’évaluation de l'efficience des pratiques responsables, en tenant compte des trois dimensions du Triple Bottom Line (TBL) : économique, sociale et environnementale.
Otmane OUDRA, Khalid OULAD SEGHIR
doaj   +1 more source

Evaluation des options de performance managériale des dibiteries de Dakar et sa banlieue (Sénégal) [PDF]

open access: yes, 2016
IN ENGLISH: This study aims at evaluate managerial performance options of dibiteries in Dakar and its suburbs. To carry out, a cross-sectional study based on a questionnaire was conducted in 163 tenants of dibiteries.
Orou Seko, M.
core  

Advance Chemical Mechanical Polishing Technique for Gallium Nitride Substrate

open access: yesAdvanced Materials Interfaces, Volume 12, Issue 2, January 20, 2025.
This review, systematically summarize the latest research advances both in conventional and assisted enhanced CMP of GaN. Abstract As the representative of substrate material, gallium nitride (GaN) has excellent mechanical properties and high thermal stability.
Xuanyi Zhao   +10 more
wiley   +1 more source

Administrateur Gestionnaire des Institutions de Santé : acteur clé pour une gestion efficiente des ressources hospitalières à l’Hôpital général de référence conventionné catholique de Kenge et l’Hôpital général de Matadi, République Démocratique du Congo

open access: yesRevue Congolaise des Sciences et Technologies
L’efficience de la gestion hospitalière dépend fortement de la qualité du management. Cette étude comparative évalue le rôle de l’Administrateur Gestionnaire des Institutions de Santé (AGIS) dans l’optimisation des ressources à l’Hôpital général de ...
Alexis Tohemo Lukamba   +7 more
doaj   +1 more source

Adverse childhood experiences, brain efficiency, and the development of pain symptoms in youth

open access: yesEuropean Journal of Pain, Volume 29, Issue 1, January 2025.
Abstract Background Adverse childhood experiences (ACEs) are often reported by youths with chronic pain, and both ACEs and chronic pain disrupt how information is processed. However, it is unknown whether changes to shared neural networks underlie the relationship between ACEs and the development of pain symptoms.
Samantha Miller   +9 more
wiley   +1 more source

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