744 resultados para Odd integers


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Il y a peu de recherche sur la comorbidité concomitante entre les problèmes de santé mentale et la dépression, tels que perçus par les adolescents de 12-15 ans. L’objectif de cette étude est d’effectuer des analyses secondaires pour vérifier l’association entre quatre problèmes de santé mentale (phobies spécifiques (PS), anxiété généralisée (AG), opposition avec provocation (OP), problème des conduites (PC)) et la dépression ainsi que les interactions de ces associations avec l’âge (12-13 ans; 14-15 ans) et le sexe. Ces problèmes ont été évalués par le Dominique Interactif pour Adolescents (DIA), un questionnaire informatisé et auto-administré. L’analyse de la régression logistique a été réalisée séparément dans un échantillon clinique (n=141) et dans un échantillon scolaire (n=464) composés d’adolescents francophones. Les résultats indiquent un effet d’interaction significatif dans l’échantillon clinique suggérant que les filles ont trois fois plus de chance d’avoir une comorbidité entre les PS et la dépression comparativement aux garçons. Les modèles multivariés révèlent que pour les autres associations, la comorbidité ne varie pas significativement selon l’âge et le sexe. Cependant, dans les deux échantillons, une forte association entre AG, OP, ou PC et la dépression a été observé indépendamment de l’âge et du sexe, ce qui suggère l’importance de la comorbidité globale entre ces problèmes. L’utilisation du DIA pour évaluer la perception des adolescents concernant leurs problèmes de santé mentale représente une contribution originale de cette étude. Les résultats obtenus suggèrent que l’évaluation clinique de la comorbidité devrait inclure l’information provenant de l’adolescent.

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La détection du délirium à l’aide d’outils est importante pour pouvoir intervenir le plus rapidement et efficacement possible. Le but de ce projet de recherche est d’évaluer l’efficacité d’une intervention de transfert de connaissances (TC) sur mesure auprès d’infirmières sur le taux d’utilisation conforme d’un outil de détection du délirium (ODD). L’intervention auprès d’infirmières a été basée sur les barrières et facilitateurs à utiliser un tel ODD identifiés par un questionnaire (n=30) et deux groupes de discussion (n=4). Les barrières identifiées par le questionnaire reflétaient un besoin de connaissances et d’amélioration des compétences infirmières. L’une des barrières identifiée à partir des groupes de discussion était le manque de connaissances sur les causes possibles du délirium et les interventions infirmières à privilégier selon ces causes. Les activités de TC retenues étaient une capsule clinique sur les manifestations du délirium évaluées par un ODD et une carte aide-mémoire sur des interventions infirmières possibles. Les taux d’utilisation de l’ODD ont été évalués en pré et post implantation d’une intervention de TC (devis pré-post test) à partir d’une revue de 242 dossiers médicaux de patients (avant n=121 ; après n=121). Aucune différence significative n’a été notée entre les périodes pré et post intervention de TC (p > .99). Une explication réside dans le taux déjà élevé (> 85%) d’utilisation de l’ODD observé avant l’intervention de TC pour deux des trois quarts de travail. L’intervention de TC basée sur les barrières et les facilitateurs a été appréciée par les infirmières et elle pourrait avoir le potentiel de promouvoir une pratique basée sur les résultats probants.

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ithin the wide topic of disguise in literature, we could signal a subcurrent which can be found in a number of literary texts: the idea of madness as a disguise, i.e. the creation or invention of a ‘false self’ as a mask which is presented to the world and which conceals the real self. In The Divided Self (1960), R. D. Laing deals with the “personality, false self, mask, front or persona that (...) [schizophrenic] wear” (73). Using as a basis Laing’s theories on schizophrenia and the creation of a false-self system, we will analyze two works by Samuel Beckett: Murphy and Endgame, where we find the uses of madness as disguise in a series of ways: through the usage of ‘disguised’ language (what we could refer to as schizophrenese) which acts as a mask for real meaning; through odd ‘schizophrenic’ behaviour on the part of the characters (which screens real intentions), and, mainly, through the creation of a ‘false self’ which acts as a disguise and barrier between the inner self and the real world. These two works by Samuel Beckett, where real intentions and meanings are continuously concealed and disguised in a desperate attempt to preserve the inner self, lend themselves to an analysis of madness as disguise, precisely the one we attempt to carry out in our paper.

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Using tools of the theory of orthogonal polynomials we obtain the generating function of the generalized Fibonacci sequence established by Petronilho for a sequence of real or complex numbers {Qn} defined by Q0 = 0, Q1 = 1, Qm = ajQm−1 + bjQm−2, m ≡ j (mod k), where k ≥ 3 is a fixed integer, and a0, a1, . . . , ak−1, b0, b1, . . . , bk−1 are 2k given real or complex numbers, with bj #0 for 0 ≤ j ≤ k−1. For this sequence some convergence proprieties are obtained.

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En Colombia se ha podido establecer que la incidencia y mortalidad de la Enfermedad Renal Crónica Terminal continúan en aumento en los últimos 6 años a pesar de las estrategias de intervención para prevención y control de la enfermedad implementadas nivel nacional. Este trabajo busca establecer la línea de base para la población asegurada en Colombia, frente a la supervivencia de pacientes en terapia de remplazo renal (TRR).

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Normalmente el desarrollo de un país se ha explicado desde una perspectiva tradicional en términos de su crecimiento económico, teniendo en cuenta indicadores macroeconómicos como el PIB, la inflación y el desempleo. Poca atención se le ha puesto a la importancia que para el desarrollo de un país representan el capital humano y el proceso de liderazgo. Debido a lo anterior, mediante este estudio de caso, se pretende entender el éxito de la estrategia de crecimiento por exportaciones de Japón entre los años 1960-1980 teniendo en cuenta estos aspectos. Así, se busca sustentar que la incorporación de un tipo de liderazgo transformacional- transaccional y los elementos propios de su cultura como el confucianismo y el budismo, le imprimieron una perspectiva no economicista al éxito del modelo de desarrollo como parte de la triada empresa-estado-universidad. Lo anterior se realizará partiendo de un análisis cualitativo y con un enfoque en la economía política internacional y en el liderazgo. Este último estudiado desde las disciplinas de la administración, la sociología y la psicología

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The vapor pressure of four liquid 1H,1H-perfluoroalcohols (CF3(CF2)n(CH2)OH, n ¼ 1, 2, 3, 4), often called odd-fluorotelomer alcohols, was measured as a function of temperature between 278 K and 328 K. Liquid densities were also measured for a temperature range between 278 K and 353 K. Molar enthalpies of vaporization were calculated from the experimental data. The results are compared with data from the literature for other perfluoroalcohols as well as with the equivalent hydrogenated alcohols. The results were modeled and interpreted using molecular dynamics simulations and the GC-SAFT-VR equation of state.

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This PhD project has been mainly focused on the synthesis of novel organic compounds containing heterocyclic and/or carbocyclic scaffold and on the study of stearic acid derivatives and their applications in biological field. The synthesis of novel derivatives of 9-hydroxystearic acid (9-HSA) evidenced how the presence of substituents on C9, able to make hydrogen bonds is of crucial importance for the biological activity. Also the position of the hydroxy group along the chain of hydroxystearic acids was investigated: regioisomers with the hydroxy group bound to odd carbons resulted more active than those bearing the hydroxy group on even carbons. Further, the insertion of (R)-9-HSA in magnetic nanoparticles gave a novel material which characterization remarked its suitability for drug delivery. Structural hybrids between amino aza-heterocycles and azelaic acid have been synthesized and some of them showed a selective activity towards osteosarcoma cell line U2OS. Several Apcin analogues bearing indole, benzothiazole, benzofurazan moieties connected to tryptaminyl-, amino pyridinyl-, pyrimidinyl- and pyrazinyl ring through a 1,1,1-trichloroethyl group were synthesized. Biological tests showed the importance of both the tryptaminyl and the pyrimidinyl moieties, confirming the effectiveness against acute leukemia models. The SNAr between 2-aminothiazole derivatives and 7-chlorodinitrobenzofuroxan revealed different behaviour depending from amino substituent of the thiazole. The reaction with 2-N-piperidinyl-, 2-N-morpholinyl-, or 2-N-pyrrolidinyl thiazole gave two isomeric species derived from the attack on C-5 of thiazole ring. Thiazoles substituted with primary- or not-cyclic secondary amines reacted with the exocyclic amino nitrogen atom giving a series of compounds whose biological activity have highlighted as they might be promising candidates for further development of antitumor agents. A series of 9-fluorenylidene derivatives, of interest in medical and optoelectronic field as organic scintillators, was synthesized through Wittig or Suzuky reaction and will be analyzed to test their potential scintillatory properties.

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This thesis develops AI methods as a contribution to computational musicology, an interdisciplinary field that studies music with computers. In systematic musicology a composition is defined as the combination of harmony, melody and rhythm. According to de La Borde, harmony alone "merits the name of composition". This thesis focuses on analysing the harmony from a computational perspective. We concentrate on symbolic music representation and address the problem of formally representing chord progressions in western music compositions. Informally, chords are sets of pitches played simultaneously, and chord progressions constitute the harmony of a composition. Our approach combines ML techniques with knowledge-based techniques. We design and implement the Modal Harmony ontology (MHO), using OWL. It formalises one of the most important theories in western music: the Modal Harmony Theory. We propose and experiment with different types of embedding methods to encode chords, inspired by NLP and adapted to the music domain, using both statistical (extensional) knowledge by relying on a huge dataset of chord annotations (ChoCo), intensional knowledge by relying on MHO and a combination of the two. The methods are evaluated on two musicologically relevant tasks: chord classification and music structure segmentation. The former is verified by comparing the results of the Odd One Out algorithm to the classification obtained with MHO. Good performances (accuracy: 0.86) are achieved. We feed a RNN for the latter, using our embeddings. Results show that the best performance (F1: 0.6) is achieved with embeddings that combine both approaches. Our method outpeforms the state of the art (F1 = 0.42) for symbolic music structure segmentation. It is worth noticing that embeddings based only on MHO almost equal the best performance (F1 = 0.58). We remark that those embeddings only require the ontology as an input as opposed to other approaches that rely on large datasets.