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See detailTLC UE-CAN como un instrumento para la integración regional latinoamericana
Parra Santamaria, Lusmiriam Andrea ULg

Diverse speeche and writing (2010)

This communication is about the Free Trade Agreements FTA (in general) and the way they can be used as political instruments. For the specific case of this FTA EU-ACN, our approach shows that the objectif ... [more ▼]

This communication is about the Free Trade Agreements FTA (in general) and the way they can be used as political instruments. For the specific case of this FTA EU-ACN, our approach shows that the objectif of using it for stimulating regional integration in latinamerica has not been got. In contrast, its negociation has been a factual cause of regional dispersion for the Andean countries. [less ▲]

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See detailA grid for a precise analysis of daily activities
Wojtasik, Vinciane ULg; Olivier, Catherine ULg; Lekeu, Françoise ULg et al

in Neuropsychological Rehabilitation (2010), 20

Assessment of daily living activities is essential in patients with Alzheimer's disease. Most current tools quantitatively assess overall ability but provide little qualitative information on individual ... [more ▼]

Assessment of daily living activities is essential in patients with Alzheimer's disease. Most current tools quantitatively assess overall ability but provide little qualitative information on individual difficulties. Only a few tools allow therapists to evaluate stereotyped activities and record different types of errors. We capitalised on the Kitchen Activity Assessment to design a widely applicable analysis grid that provides both qualitative and quantitative data on activity performance. A cooking activity was videotaped in 15 patients with dementia and assessed according to the different steps in the execution of the task. The evaluations obtained with our grid showed good correlations between raters, between versions of the grid and between sessions. Moreover, the degree of independence obtained with our analysis of the task correlated with the Kitchen Activity Assessment score and with a global score of cognitive functioning. We conclude that assessment of a daily living activity with this analysis grid is reproducible and relatively independent of the therapist, and thus provides quantitative and qualitative information useful for both evaluating and caring for demented patients. [less ▲]

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See detailRecognition and validation of non-formal and informal learning in French-speaking Belgium. Discourse and practices
Peters, Stéphanie ULg; Mahieu, Céline; Salmon, Arnaud et al

in Lifelong Learning in Europe (2010), 15(2), 119-128

The validation of formal and informal learning has been practiced in French-speaking Belgium for several years, via the mechanisms known as Recognition of Non-Formal and Informal Learning (RNF-IFL) and ... [more ▼]

The validation of formal and informal learning has been practiced in French-speaking Belgium for several years, via the mechanisms known as Recognition of Non-Formal and Informal Learning (RNF-IFL) and Accreditation of Prior Experiential Learning (APEL). These credits contribute in the fullest way possible to the political project for the development of society based on knowledge and lifelong learning. Actors involved in the validation process must deal with a more and more fragmented knowledge. Further, the abovementioned mechanisms of validation are related to many questions, involving identity, methodology, and strategic and sociopolitical matters, all of which are touched upon in the present article. [less ▲]

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See detailInfezione da Equid herpesvirus (EHV_5) in 15 puledri
Marenzoni, M. L.; Coppola, G.; Maranesi, M. et al

in Ippologia (2010), 21(31-34),

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See detailFirst nationwide survey on cardiovascular risk factors in Grand-Duchy of Luxembourg (ORISCAV-LUX).
Alkerwi, Ala'a; Sauvageot, Nicolas; Donneau, Anne-Françoise ULg et al

in BMC Public Health (2010), 10

BACKGROUND: The ORISCAV-LUX study is the first baseline survey of an on-going cardiovascular health monitoring programme in Grand-Duchy of Luxembourg. The main objectives of the present manuscript were 1 ... [more ▼]

BACKGROUND: The ORISCAV-LUX study is the first baseline survey of an on-going cardiovascular health monitoring programme in Grand-Duchy of Luxembourg. The main objectives of the present manuscript were 1) to describe the study design and conduct, and 2) to present the salient outcomes of the study, in particular the prevalence of the potentially modifiable and treatable cardiovascular disease risk factors in the adult population residing in Luxembourg. METHOD: ORISCAV-LUX is a cross-sectional study based on a random sample of 4496 subjects, stratified by gender, age categories and district, drawn from the national insurance registry of 18-69 years aged Luxembourg residents, assuming a response rate of 30% and a proportion of 5% of institutionalized subjects in each stratum. The cardiovascular health status was assessed by means of a self-administered questionnaire, clinical and anthropometric measures, as well as by blood, urine and hair examinations. The potentially modifiable and treatable risk factors studied included smoking, hypertension, dyslipidemia, diabetes mellitus, and obesity. Both univariate and multivariate statistical analyses used weighted methods to account for the stratified sampling scheme. RESULTS: A total of 1432 subjects took part in the survey, yielding a participation rate of 32.2%. This figure is higher than the minimal sample size of 1285 subjects as estimated by power calculation. The most predominant cardiovascular risk factors were dyslipidemia (69.9%), hypertension (34.5%), smoking (22.3%), and obesity (20.9%), while diabetes amounted 4.4%. All prevalence rates increased with age (except smoking) with marked gender differences (except diabetes). There was a significant difference in the prevalence of hypertension and of lipid disorders by geographic region of birth. The proportion of subjects cumulating two or more cardiovascular risk factors increased remarkably with age and was more predominant in men than in women (P<0.0001). Only 14.7% of men and 23.1% of women were free of any cardiovascular risk factor. High prevalence of non-treated CVRF, notably for hypertension and dyslipidemia, were observed in the study population. CONCLUSION: The population-based ORISCAV-LUX survey revealed a high prevalence of potentially modifiable and treatable cardiovascular risk factors among apparently healthy subjects; significant gender and age-specific differences were seen not only for single but also for combined risk factors. From a public health perspective, these preliminary findings stress the urgent need for early routine health examinations, preventive interventions and lifestyle behavioural changes, even in young asymptomatic adults, to decrease cardiovascular morbidity and mortality in Luxembourg. [less ▲]

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See detailPrehension and Hafting Traces on Flint Tools. A Methodology
Rots, Veerle ULg

Book published by Leuven University Press (2010)

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See detailA propos du bilinguisme de l'empereur Julien : un réexamen
Rochette, Bruno ULg

in Latomus : Revue d'Etudes Latines (2010), 69(2), 446-468

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See detailImages de l'Univers, l'Univers en images
Nazé, Yaël ULg

in Visible (2010), 6

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See detailComponent-resolved diagnosis in peanut and hazelnut allergy.
Gadisseur, Romy ULg; Chapelle, Jean-Paul ULg; Cavalier, Etienne ULg et al

in Allergy (2010), 65(Suppl.92), 106

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See detailOn Vershikian and I-cosy random variables and filtrations
Laurent, Stéphane ULg

in Teoriya Veroyatnostei i ee Primeneniya (2010), 55

We prove that the equivalence between Vershik’s standardness criterion and the I-cosiness criterion for a filtration in discrete, negative time, holds separately for each random variable. This gives a ... [more ▼]

We prove that the equivalence between Vershik’s standardness criterion and the I-cosiness criterion for a filtration in discrete, negative time, holds separately for each random variable. This gives a strengthening and a more direct proof of the global equivalence between these two criteria. We also provide more elementary original propositions on Vershik’s standardness criterion, while emphasizing that similar statements for I-cosiness are sometimes not so obvious. [less ▲]

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See detailValorisation des déchets et sous-produits industriels en le génie civil
Courard, Luc ULg

Learning material (2010)

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See detailAnticipatory Mechanisms in Evolutionary Living Systems
Dubois, Daniel ULg; Holmberg, Stig C.

in Dubois, Daniel (Ed.) COMPUTING ANTICIPATORY SYSTEMS (2010)

This paper deals firstly with a revisiting of Darwin's theory of Natural Selection. Darwin in his book never uses the word “evolution”, but shows a clear position about mutability of species. Darwin's ... [more ▼]

This paper deals firstly with a revisiting of Darwin's theory of Natural Selection. Darwin in his book never uses the word “evolution”, but shows a clear position about mutability of species. Darwin's Natural Selection was mainly inspired by the anticipatory Artificial Selection by humans in domestication, and the Malthus struggle for existence. Darwin showed that the struggle for existence leads to the preservation of the most divergent offspring of any one species. He cited several times the canon of “Natura non facit saltum”. He spoke about the origin of life from some one primordial form, into which life was first breathed. Finally, Darwin made anticipation about the future researches in psychology. This paper cites the work of Ernst Mayr who was the first, after 90 years of an intense scientific debate, to present a new and stable Darwinian paradigm as the “Evolutionary Synthesis” in 1942. To explain what is life, the Living Systems Theory (LST) by J. G. Miller is presented. It is showed that the Autopoietic Systems Theory of Varela et al is also a fundamental component of living systems. In agreement with Darwin, the natural selection is a necessary condition for transformation of biological systems, but is not a sufficient condition. Thus, in this paper we conjecture that an anticipatory evolutionary mechanism exists with the genetic code that is a self-replicating and self-modifying anticipatory program. As demonstrated by Nobel laureate McClintock, evolution in genomes is programmed. The word “program” comes from “pro-gram” meaning to write before, by anticipation, and means a plan for the programming of a mechanism, or a sequence of coded instructions that can be inserted into a mechanism, or a sequence of coded instructions, as genes of behavioural responses, that is part of an organism. For example, cell death may be programmed by what is called the apoptosis. This definitively is a great breakthrough in our understanding of biological evolution. Hence, it is possible to formulate a new principle of evolution, i.e. the principle of Double Anticipatory Loop (DAL) of evolution: Biological evolution is driven by interaction between a mindless environment that is passively selecting the fittest inhabitants and purposeful anticipatory living systems, which are actively selecting and creating their own environment. Evolution on the genome level is trigged by environmental stress but guided by an inherent program. [less ▲]

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See detailMulti-Months Cycles Observed in Climatic Data
Nicolay, Samuel ULg; Mabille, Georges ULg; Fettweis, Xavier ULg et al

in Simard, Suzanne (Ed.) Climate Change and Variability (2010)

Climatic variations happen at all time scales and since the origins of these variations are usually of very complex nature, climatic signals are indeed chaotic data. The identification of the cycles ... [more ▼]

Climatic variations happen at all time scales and since the origins of these variations are usually of very complex nature, climatic signals are indeed chaotic data. The identification of the cycles induced by the natural climatic variability is therefore a knotty problem, yet the knowing of these cycles is crucial to better understand and explain the climate (with interests for weather forecasting and climate change projections). Due to the non-stationary nature of the climatic time series, the simplest Fourier-based methods are inefficient for such applications (see e.g. Titchmarsh (1948)). This maybe explains why so few systematic spectral studies have been performed on the numerous datasets allowing to describe some aspects of the climate variability (e.g. climatic indices, temperature data). However, some recent studies (e.g. Matyasovszky (2009); Paluš & Novotná (2006)) show the existence of multi-year cycles in some specific climatic data. This shows that the emergence of new tools issued from signal analysis allows to extract sharper information from time series. Here, we use a wavelet-based methodology to detect cycles in air-surface temperatures obtained from worldwide weather stations, NCEP/NCAR reanalysis data, climatic indices and some paleoclimatic data. This technique reveals the existence of universal rhythms associated with the periods of 30 and 43 months. However, these cycles do not affect the temperature of the globe uniformly. The regions under the influence of the AO/NAO indices are influenced by a 30 months period cycle, while the areas related to the ENSO index are affected by a 43 months period cycle; as expected, the corresponding indices display the same cycle. We next show that the observed periods are statistically relevant. Finally, we consider some mechanisms that could induce such cycles. This chapter is based on the results obtained in Mabille & Nicolay (2009); Nicolay et al. (2009; 2010). [less ▲]

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See detailEffet de la puissance micro-ondes sur la composition chimique de l'huile essentielle de l'Eucalyptus globulus
Ramdani, M.; Fadel, O.; Mouni, L. et al

Poster (2010)

Dans le but de mettre au point les conditions optimales d’extraction des huiles essentielles sous micro-ondes, nous avons effectué une série de travaux en contrôlant l’effet de plusieurs facteurs sur la ... [more ▼]

Dans le but de mettre au point les conditions optimales d’extraction des huiles essentielles sous micro-ondes, nous avons effectué une série de travaux en contrôlant l’effet de plusieurs facteurs sur la composition chimique des extraits : présence du solvant, quantité de solvant et puissance des micro-ondes. Dans le cas de l’Eucalyptus globulus récolté à Oujda, nous avons comparé la composition chimique de l’huile essentielle extraite par micro-ondes sous deux puissances différentes : 280W et 700W. 38 composés volatils ont été identifiés par GC/MS et GC/FID. La comparaison de la composition chimique, dans les deux cas de puissance d’extraction (280W et 700W), nous a permis de noter respectivement les résultats suivants : a-pinène (2,41%, 4,06%) ; transpinocarveol (2,94%, 3,28%) ; 1,8-cinéole (0,91%, 1,84%) ; (+)-aromadendrene (2,22%, 2,82) ; globulol (4,63%, 4%) ; g-eudesmol (4,66%, 4,2%) ; b-eudesmol (17,02%, 14,5%) ; 1,2,3,4-tetrahydro-2,3-methano-2,8-dimethoxynaphtalene (4,27%, 4,28%) ; anisole, p(m-chlorophenyl) (0 %, 0,24%). La puissance micro-ondes choisie a un effet direct sur la variation de la composition chimique de l’huile essentielle extraite par micro-ondes de point de vue quantitatif et qualitatif. [less ▲]

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See detailL’édition pour la jeunesse en Belgique francophone : de la nécessité faite vertu à la mondialisation
Habrand, Tanguy ULg

in Pinhas, Luc; Foucault, Jean; Manson, Michel (Eds.) L'édition de jeunesse francophone face à la mondialisation (2010)

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See detailPieds et empreintes de pieds dans les cultes isiaques. Pour une meilleure compréhension des documents hispaniques
Puccio, Laetizia ULg

in Melanges de la Casa de Velazquez (2010), 40(2), 137-155

L’étude des cultes isiaques dans la péninsule Ibérique donne à connaître une série de documents qui représentent un pied sous sa forme réelle ou gravé sur des stèles votives. Se pose alors la question de ... [more ▼]

L’étude des cultes isiaques dans la péninsule Ibérique donne à connaître une série de documents qui représentent un pied sous sa forme réelle ou gravé sur des stèles votives. Se pose alors la question de l’origine de ce symbole. Apparenté aux divinités égyptiennes, il est synonyme de richesse et d’abondance dans la religion pharaonique. À partir de la vallée du Nil, les deux modèles se sont diffusés dans le monde méditerranéen et ils ont atteint l’Hispanie au IIe siècle en passant sans doute par le continent africain. Sans aucune référence dans la littérature antique, l’enquête menée autour de ces représentations et de leurs différentes déclinaisons n’autorise pas à leur attribuer une seule signification. Les pieds de Sérapis comme les stèles dédiées à Isis incarnent le plus souvent l’épiphanie divine, mais ils peuvent également être considérés comme de simples témoignages de dévotion. Lorsque les empreintes de pieds correspondent à celles de la déesse et que les stèles sont situées devant l’entrée du temple, elles pourraient faire référence à un rituel d’accueil. [less ▲]

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See detailDie Römer an Maas und Mosel
Deru, Xavier ULg

Book published by vzabern (2010)

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See detailQuand les tangentes étaient touchantes
Bair, Jacques ULg; Henry, Valérie ULg

in Tangente Sup (2010), 54

Exposé moderne d'un algorithme, initialement trouvé par le belge Sluse (1622-1685), pour déterminer la tangente à une courbe plane.

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