938 resultados para Absetz, Brad: In other words


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It is established that the ratio between step length (SL) and step frequency (SF) is constant over a large range of walking speed. However, few data are available about the spontaneous variability of this ratio during unconstrained outdoor walking, in particular over a sufficient number of steps. The purpose of the present study was to assess the inter- and intra-subject variability of spatio-temporal gait characteristics [SL, SF and walk ratio (WR=SL/SF)] while walking at different freely selected speeds. Twelve healthy subjects walked three times along a 100-m athletic track at: (1). a slower than preferred speed, (2). preferred speed and (3). a faster than preferred speed. Two professional GPS receivers providing 3D positions assessed the walking speed and SF with high precision (less than 0.5% error). Intra-subject variability was calculated as the variation among eight consecutive 5-s samples. WR was found to be constant at preferred and fast speeds [0.41 (0.04) m.s and 0.41 (0.05) m.s respectively] but was higher at slow speeds [0.44 (0.05) m.s]. In other words, between slow and preferred speed, the speed increase was mediated more by a change in SF than SL. The intra-subject variability of WR was low under preferred [CV, coefficient of variation = 1.9 (0.6)%] and fast [CV=1.8 (0.5)%] speed conditions, but higher under low speed condition [CV=4.1 (1.5)%]. On the other hand, the inter-subject variability of WR was 11%, 10% and 12% at slow, preferred and fast walking speeds respectively. It is concluded that the GPS method is able to capture basic gait parameters over a short period of time (5 s). A specific gait pattern for slow walking was observed. Furthermore, it seems that the walking patterns in free-living conditions exhibit low intra-individual variability, but that there is substantial variability between subjects.

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El sistema tributario es fundamental en el Estado social y democrático de Derecho, pues el ejercicio y efectivo disfrute de muchos derechos fundamentales depende del correcto funcionamiento de la actividad tributaria. Además de esto, la situación económica actual demanda una adecuada política en contra del fraude tributario, lo que necesariamente implica analizar si el modelo penal vigente es el más adecuado para enfrentar el fraude fiscal. Teniendo en cuenta que muchas de las características de la criminalidad tributaria no son exclusivas de un país, pues ésta trasciende habitualmente las fronteras de los países por medio del recurso a empresas multinacionales o la localización de empresas en “paraísos fiscales”, el análisis del fraude tributario no debe limitarse al examen jurídico del modelo legislativo español, debiendo trascender a un estudio de política criminal que vincula consideraciones criminológicas y jurídicas. En consecuencia, en esta investigación se propone un análisis que no se reduce a los debates exclusivamente jurídicos. Se busca, además, efectuar un examen que tenga por fundamento una perspectiva criminológica y de Law in action a fin de evaluar críticamente la respuesta a la criminalidad tributaria por parte del modelo de regulación penal vigente en España. Esta orientación permitirá una más amplia comprensión del fenómeno de la criminalidad tributaria, así como de las categorías jurídicas adecuadas político criminalmente para su prevención. Este estudio interdisciplinario nos conducirá, al final de la investigación, tanto a proponer la interpretación del modelo de legislación penal vigente, como una reforma al mismo que pretenda solucionar algunos de los problemas de prevención que a lo largo de la investigación se señalan.

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L'objectiu funcional de l'aplicació és la gestió del parametratge d'una organització, és a dir, de totes aquelles dades de consum horitzontal per part de qualsevol altra aplicació més especialitzada. Aquesta implementació es realitza posant émfasi en aspectes molt importants a nivell empresarial: transaccions i rendiment.

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La finalitat d'aquest projecte és la d'aconseguir d'una banda la gestió de recanvis per als equips informàtics de l'empresa tals com, tonners d'impressores làser i faxos, cartutxos de tinta, escàners i terminals de fàbrica i finalment impressores d'impressió tèrmica per a etiquetes dels productes de la nostra fàbrica. Per l'altre costat tindrem el manteniment dels equips informàtics de l'empresa, és dir els PC's de feina.

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Aquest treball aborda la construcció d'un sistema de programari distribuït emprant tecnologia orientada a aquest objecte. Veurem, doncs, les diverses fases per les quals passa la construcció del sistema, és a dir, l'especificació, el disseny i la implementació.

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Desenvolupament d'un sistema d'informació, és a dir, d'una aplicació Java empresarial, que s'adapti a les necessitats de l'empresa sol·licitant. Tota l'aplicació estarà realitzada amb el llenguatge de programació Java16, realitzant un anàlisi i disseny orientat a objectes.

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Aquest treball final de carrera es basa en l'anàlisi, disseny i implementació d'una solució per a la autogestió dels recursos humans de l'empresa; és a dir, per tal que tots els treballadors de la mateixa puguin gestionar tot el relacionat amb el seu entorn de treball (les seves dades personals, el seu temps de treball, les tasques relacionades amb el seu càrrec, la sol·licitud de vacances...). Paral·lelament, aquest treball estudia la viabilitat d'emprar com a eina de treball professional diària l'IDE Eclipse amb la integració del plug-in d'Exadel Studio per a l'ús del framework Struts.

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Aquest Treball final de carrera (TFC) és una implantació d'una solució SIG, amb l¿objectiu d¿ajudar a prendre decisions en l'explotació de recursos del subsòl, dit d'una altra manera, una eina de suport per valorar quines són les parcel·les del terreny òptimes per iniciar la seva explotació. El Treball es divideix en dues parts, una teòrica i una altra pràctica. La part teòrica consisteix en l'estudi de les característiques fonamentals d'un SIG, a més d'un estudi pràctic dels aspectes generals del programa gvSIG. La part pràctica consisteix en el desenvolupament d'una solució SIG amb la finalitat de donar resposta als objectius proposats en aquest Treball final de carrera.

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L'objectiu del TFC és crear una 'suite' que resolgui tota la línia de producció d'un podcast. És a dir: captura d'un senyal d'audio en directe, transcodificació, classificació,emmagatzematge i, per acabar, difusió per Internet.

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El desarrollo de este Trabajo, identificado por los diferentes capítulos que lo componen, se ha definido siguiendo un hilo conductor que nos permite desgranar la Gestión de Proyectos informáticos, y de esta manera poder hacer una mejor penetración en su fase de definición, para poder aportar mejoras en su enfoque más comercial.Esta fase engloba áreas tales como definir el objeto del proyecto, fijar objetivos, acordar presupuestos, etc., es decir, esta fase de definición del proyecto representa su mismo fundamento. Por lo tanto, la manera en qué se lleve a cabo, marcará la pauta para el resto del proyecto. Profundizando en la gestión de Proyectos podemos evidenciar que la fase de definición se puede considerar una de las fases más importante de cualquier proyecto. A menos que se lleve a cabo correctamente, el proyecto tiene pocas probabilidades de éxito.Por lo tanto, el planteamiento de este Trabajo, está basado en un guión que da una visión general de la Gestión de Proyectos, para posteriormente profundizar en el enfoque más comercial de la fase de definición, de una manera natural.

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This article lies within the sphere of studies initiated recently in various social sciences and which aim to introduce women's problems as an element of analysis, or in other words, the gender perspective. In the field of geography, the earliest contributions of this nature were made in English-speaking countries. It is only in the 1980s that similar contributions begin to appear in Spanish geography, albeit sporadically . In the first part of this article, an analysis is made of the presence of women geographers in Spanish universities, based on a questionnaire submitted to twenty-six departments of geography. The questionnaires provide information on the age, sex and marital status of women staff, and other relevant facts. It becomes evident that women lecturers are in the minority in Spanish university Geography Departments, especially in the top posts, although the percentage compares favourably with English-speaking countries. The second part of the article consists of a study of the written contributions of women geographers through the analysis of the various geographical magazines published by geography departments and other related bodies. The author reaches the conclusion that the percentage of articles written by women geographers is even lower than the corresponding percentage of staff members. Especially noteworthy is the very limited number of articles in the fields of physical geography and geographical theory, in contrast to a certain tendency to publish studies on, for example, population or urban topics with a highly restricted territorial scope

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Aitchison and Bacon-Shone (1999) considered convex linear combinations ofcompositions. In other words, they investigated compositions of compositions, wherethe mixing composition follows a logistic Normal distribution (or a perturbationprocess) and the compositions being mixed follow a logistic Normal distribution. Inthis paper, I investigate the extension to situations where the mixing compositionvaries with a number of dimensions. Examples would be where the mixingproportions vary with time or distance or a combination of the two. Practicalsituations include a river where the mixing proportions vary along the river, or acrossa lake and possibly with a time trend. This is illustrated with a dataset similar to thatused in the Aitchison and Bacon-Shone paper, which looked at how pollution in aloch depended on the pollution in the three rivers that feed the loch. Here, I explicitlymodel the variation in the linear combination across the loch, assuming that the meanof the logistic Normal distribution depends on the river flows and relative distancefrom the source origins

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It is widely accepted that pharmacologic reduction of the blood pressure of hypertensive patients reduces the risk of at least some of the major cardiovascular complications (1-5). All major studies were carried out before orally active converting enzyme inhibitors had become available. In other words, very effective antihypertensive drugs have been around for quite some time and have already proven their efficacy. Therefore, the considerable enthusiasm that has developed during the very recent years for the new converting enzyme inhibitors should be evaluated in the light of previously available antihypertensive drugs, the more so, as drugs cheaper than converting enzyme inhibiting agents are presently available. Thus, the increased expense when using this new class of antihypertensive compounds should be justified by a therapeutic gain. When evaluating a class of antihypertensive drugs such as converting enzyme inhibitors, there are basically three main considerations: What is their efficacy in long-term use? This includes the effect on blood pressure, on heart, on hemodynamics, and on blood flow distribution. What are the metabolic effects? What is the effect on sodium and potassium excretion? How are the serum lipids affected by its use? Are there any untoward effects related either to the chemical structure of the compound per se or rather to the approach? In particular, are there any central effects of the drug which can cause discomfort to the patient? The following discussion has the principal aim to review these aspects with chronic use of oral converting enzyme inhibiting agents without, however, even attempting to provide an exhaustive review of the subject.

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The launching of the European Neighbourhood Policy has created some expectations. Cooperation between the EU and its partners is expected to get deeper, to the point that neighbouring countries have been promised to share “everything but institutions” with the EU. Moreover, cooperation is also expected to be broader, as it has been presented as including more and more issue areas. In other words, the ENP has the vocation of being a universal instrument to promote the transfer of EU norms. This paper focuses on one single issue area, the environment, and one group of ENP partners, the Western Newly Independent States and the South Caucasus, to revise to what extent neighbourhood policy can provide the mechanisms to encourage rule transfer. Are incentives and disincentives powerful enough? Can the ENP promote the socialization of neighbours into EU environmental norms?

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The aim of this paper is to analyse the main agreements on the EU’s External Action agreed within the European Convention and the IGC taking into account why, how and who reached the consensus on them. In other words, this paper will explore the principles followed in order to improve the instruments of the EU’s External Action such as authority, coherence, visibility, efficiency and credibility.