Results 21 to 30 of about 41,091 (182)
Systems approach towards surface water distribution in Kruger National Park, South Africa
There was concerted effort, especially between the 1960s and 1990s, to increase the distribution of surface water in Kruger National Park (KNP). As a consequence, most of the park was within easy walking distance of a permanent water source for large ...
Izak Smit
doaj +1 more source
Spin in a variable magnetic field: the adiabatic approximation
The problem of spin precession in a time-dependent magnetic field is considered in the adiabatic approximation where the field direction or the angular velocity of its rotation is changing slowly.
Marinov, M. S., Strahov, Eugene
core +1 more source
Les variations temporelles de la fréquence des violences physiques en contexte conjugal [PDF]
La violence conjugale vécue par une femme est un phénomène dynamique qui évolue à travers le temps. En dépit de ce fait, peu d’études y sont consacrées. On connaît notamment peu les facteurs derrière l’intensité de la violence et ses variations au fil du temps. La présente étude propose de combler ces lacunes en examinant les trajectoires individuelles
Blondin, Odrée +2 more
openaire +3 more sources
Exact scaling transform for a unitary quantum gas in a time dependent harmonic potential [PDF]
A unitary quantum gas is a gas of quantum particles with a binary interaction of infinite scattering length and negligible range. It has been produced in recent experiments with gases of fermionic atoms by means of a Feshbach resonance.
Bourdel +17 more
core +3 more sources
Cette investigation a pour objectif global d’évaluer l’effet de la dépréciation du franc congolais par rapport au dollar américain sur les prix de denrées alimentaires spécialement les produis carnés disponibles dans le marché de Kisangani en République
Gaston ENAMBUMBI +3 more
doaj
Influence d'une vitesse de rotation variable sur les vibrations d'usinage en UGV [PDF]
Les opérations de fraisage à grande vitesse sont couramment limitées par les vibrations régénératives. Dans cet article, nous allons étudier une solution de réduction du phénomène de broutement, basée sur la variation de la vitesse de rotation de l ...
Arnaud, Lionel +4 more
core
Classic anthropological accounts of miniature objects have focused on their spatial and aesthetic dimensions, with more recent work addressing their communicative potential, connections with play, and role in protecting threatened cultural knowledge. This article analyses responses to a miniature landscape model of yhyakh, a festival celebrated in the ...
Alison K. Brown
wiley +1 more source
Economic activity during extreme events
Abstract Although extreme weather events, natural disasters or infrastructure failures potentially have important economic effects, quantifying these effects over small areas and fine time intervals has been difficult because of the fairly coarse scales available in most data sources. This paper surveys the use of relatively new and finely grained data
John W. Galbraith
wiley +1 more source
Le rayonnement solaire global horizontal (GHI) est l’une des principales variables utilisées pour la gestion des installations solaires ; la connaissance de sa répartition géographique et de sa variation temporelle est d'une importance primordiale pour ...
Said Benkaciali +3 more
doaj
The sparse spike inversion method estimates from deconvolved seismic data that reflectivity which has the minimum sum of absolute values subject to two constraints.
Alam A., Ardali A.
doaj +1 more source

