Variability of new bone mineral metabolism markers in patients treated with maintenance hemodialysis: implications for clinical decision making

in American Journal of Kidney Diseases (in press)

Climate and Security: Evidence, Emerging Risks and a New Agenda

in Climatic Change (in press)

Zur Stellung des Deutschen in Belgien

in Rundbrief. Mitteilungsblatt des BGDV (in press), 29

Die Geheimnisse der Schrift: Heinrich von Kleists Poetik der Verschlossenheit und das Prinzip der Verschiebung in seinen Texten

in Brittnacher, Hans Richard; Von der Lühe, Irmela (Eds.) Risiko – Experiment – Selbstentwurf. Kleists radikale Poetik (in press)

Behavior of Deep Beams with Large Headed Bars

in ACI Structural Journal (in press)

While anchor heads are particularly useful in the case of large bars which require significant development lengths, the ACI code provides design guidance for bars #11 or smaller. This paper presents a ... [more ▼]

While anchor heads are particularly useful in the case of large bars which require significant development lengths, the ACI code provides design guidance for bars #11 or smaller. This paper presents a test of a large deep beam reinforced with a single #18 headed bar. The behavior of the beam is evaluated in comparison to the behavior of a specimen with more conventional reinforcement of 6#8 headed bars, and to the behavior of a specimen with lap-spliced anchor hooks. Despite the extreme detailing of the specimen with a single #18 bar, the beam had the same strength as the specimen with 6#8 bars. The compressive stress in front of the anchor head reached about 1.5 times the compressive strength of the concrete and the stress in the #18 bar reached about 414 MPa (60 ksi) before the beam failed in shear along a diagonal crack away from the anchorage zone. Shear strength calculations according to Appendix A of the ACI code showed that the current strut-and-tie provisions can overestimate the shear strength of deep beams by as much as 23%. [less ▲]

Levallois et Gravettien

in Praehistoria (in press)

Par opposition à ceux de l’Aurignacien, les ensembles lithiques gravettiens procèdent selon une méthode rappelant le Levallois quant à la préparation des supports. Mais les variations observables au sein ... [more ▼]

Par opposition à ceux de l’Aurignacien, les ensembles lithiques gravettiens procèdent selon une méthode rappelant le Levallois quant à la préparation des supports. Mais les variations observables au sein du Gravettien touchent autant les processus de symbolisation dans l’art et les sépultures. Elles affectent différents substrats eurasiatiques, plutôt septentrionaux, comme mis en réserve dès les Néandertaliens. [less ▲]

Mircea Eliade et la pensée mythique au Paléolithique supérieur

in Chirica, Vasile (Ed.) Vivre et mourir dans la Préhistoire et la Protohistoire de l'Europe (in press)

Avec le Paléolithique supérieur, de nombreuses données éclairent les fonctions symboliques. Au-delà des seules activités techniques, il est possible de restituer certains éléments d’une pensée mythique ... [more ▼]

Avec le Paléolithique supérieur, de nombreuses données éclairent les fonctions symboliques. Au-delà des seules activités techniques, il est possible de restituer certains éléments d’une pensée mythique, analogue à celle décrite par les ethnologues ou les historiens des religions. Leur étude ne permet pas de retrouver les mythes racontés, mais bien d’envisager lucidement leur nature et leur rôle fondamental pour le fonctionnement des sociétés paléolithiques. Dans les années 1990, la découverte de la grotte Chauvet a remis en cause l’évolution linéaire de l’art pariétal établie par André Leroi-Gourhan. La découverte récente de peintures très similaires en Roumanie, dans la grotte de Coliboaia, permet de compléter l’approche des phases initiales de cet art. Les similitudes entretenues entre les images de ces deux grottes poussent à retourner vers la notion de mythe. [less ▲]

Differential effects of aging on the neural correlates of recollection and familiarity

in Cortex : A Journal Devoted to the Study of the Nervous System & Behavior (in press)

The present experiment aimed to investigate age differences in the neural correlates of familiarity and recollection, while keeping performance similar across age groups by varying task difficulty. Twenty ... [more ▼]

The present experiment aimed to investigate age differences in the neural correlates of familiarity and recollection, while keeping performance similar across age groups by varying task difficulty. Twenty young and twenty older adults performed an episodic memory task in an event-related fMRI design. At encoding, participants were presented with pictures, either once or twice. Then, they performed a recognition task, with a Remember/Know paradigm. A similar performance was observed for the two groups in the Easy condition for recollection and in the Hard condition for familiarity. Imaging data revealed the classic recollection-related and familiarity-related networks, common to young and older groups. In addition, we observed that some activity related to recollection (left frontal, left temporal, left parietal cortices and left parahippocampus) and familiarity (bilateral anterior cingulate, right frontal gyrus and left superior temporal gyrus) was reduced in older compared to young adults. However, for recollection processes only, older adults additionally recruited the right precuneus, possibly to successfully compensate for their difficulties, as suggested by a positive correlation between recollection and precuneus activity. [less ▲]

Pre-war Planning in Belgium

in Janz, Oliver; Apostolopoulos, Nicolas (Eds.) 1914-1918-online. International Encyclopedia of the First World War (in press)

Abstract: Since the Treaty of London in 1839, pre-war planning theories in Belgium oscillated between two positions: on one hand secure and defend which border would be endangered, on the other hand ... [more ▼]

Abstract: Since the Treaty of London in 1839, pre-war planning theories in Belgium oscillated between two positions: on one hand secure and defend which border would be endangered, on the other hand constitute in Antwerp a powerful national sanctuary. This concentration of most of the available military means in Antwerp was far more appropriate in the event of a French invasion. But this perspective decreased after the Franco-Prussian war in 1870, while the possibility of a trespassing by the two belligerents became greater and greater. The fortifications of Namur and Liège were voted by the Chambers in 1887 as a deterrent to both France and Germany. Nevertheless, without totally putting aside the defence of the Belgian southwestern border, high-ranking officers seemed to fear more and more a violation of the eastern border. Due to the completion of fortifications on the Meuse in 1892, German columns were supposed to move forward south of the river, through the Belgian Ardennes. On the eve of the Great War, King Albert I would have preferred to concentrate the army on the Meuse but his Chief of Staff selected a central position in order to maintain and secure his line of communication with Antwerp. The lack of a determined and “standardized” doctrine at the highest level of the army led to a “mixed” or compromise plan adopted in a hurry during the first days of mobilization in August 1914. [less ▲]

La fin du Paléolithique moyen dans le Nord de l’Europe : la question des origines du Lincombien-Ranisien-Jerzmanowicien

in Depaepe, Pascal (Ed.) Les plaines du Nord-Ouest : carrefour de l’Europe au Paléolithique moyen ? (in press)