962 resultados para assimilation window


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Receipt from F.P. Begy and Son, Paper Hangings, Window Shades etc., St. Catharines for work done, June 30, 1887.

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Si le dogme libéral a longtemps mis en avant la nécessité d’un interventionnisme restreint de l’autorité publique définissant post hoc le droit idéal comme un droit absent, cette idéologie semble être amenée à évoluer. Alors que le marché a longtemps été placé comme matrice de la civilisation et que ce phénomène a donné une place essentielle à la finance, différentes initiatives réglementaires françaises, européennes et mondiales remettent en cause ce paradigme et tentent d’encadrer les dérives du capitalisme contemporain axé sur un courttermisme à outrance et une irresponsabilité grandissante. La rémunération variable des opérateurs de marché (les fameux « bonus ») illustre ce phénomène de reflux du droit, un droit qui témoigne d’une collaboration entre acteurs publics et acteurs privés. Toutefois, ce nouveau paysage juridique n’est pas sans critiques. En effet, cette intervention se révèle trop limitée en l’état pour atteindre les ambitions que l’Etat français et ses homologues ne cessent de clamer : l’institution d’un pacte mondial à long terme.

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Si le dogme libéral a longtemps mis en avant la nécessité d’un interventionnisme restreint de l’autorité publique définissant post hoc le droit idéal comme un droit absent, cette idéologie semble être amenée à évoluer. Alors que le marché a longtemps été placé comme matrice de la civilisation et que ce phénomène a donné une place essentielle à la finance, différentes initiatives réglementaires françaises, européennes et mondiales remettent en cause ce paradigme et tentent d’encadrer les dérives du capitalisme contemporain axé sur un court- termisme à outrance et une irresponsabilité grandissante. La rémunération variable des opérateurs de marché (les fameux « bonus ») illustre ce phénomène de reflux du droit, un droit qui témoigne d’une collaboration entre acteurs publics et acteurs privés. Toutefois, ce nouveau paysage juridique n’est pas sans critiques. En effet, cette intervention se révèle trop limitée en l’état pour atteindre les ambitions que l’Etat français et ses homologues ne cessent de clamer : l’institution d’un pacte mondial à long terme.

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Bodies, Saracen Giants, and the Medieval Romance: Transgression, Difference, and Assimilation explore le traitement des corps de trois géants Sarasins dans les romances de Roland and Vernagu (c. 1330), Sir Beues of Hamtoun (c. 1330), et The Taill of Rauf Coilyear (c. 1513-42).Grâce à une étude de la représentation de ces trois géants Sarasin, la signification du corps humain au Moyen Age, et des pratiques de la Chrétienté an accord avec les discours et idéologies envers le Proche-Orient qui existaient dans l’Occident médiéval, ce mémoire de maîtrise juxtapose le géant Sarasin et le héros de la romance pour indiquer une similarité apparente entre leur deux corps et leur religion respective. La romance démontre avec hésitation un désir d’assimiler le géants Sarasin dans le code héroïque ainsi que dans la religion chrétienne, mais souvent rejette avec suspicion le corps du géant par sa mort sur le champ de bataille. Malgré sa mort ou son assimilation dans le code héroïque et la Chrétienté, le corps du géant Sarasin demeure toujours important dans le contexte de la Romance, puisqu’il contribue à la construction de l’identité du héros, de sa foi, et de sa société.

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Mémoire numérisé par la Division de la gestion de documents et des archives de l'Université de Montréal

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La version intégrale de ce mémoire est disponible uniquement pour consultation individuelle à la Bibliothèque de musique de l’Université de Montréal (www.bib.umontreal.ca/MU).

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We present a new scheme to solve the time dependent Dirac-Fock-Slater equation (TDDFS) for heavy many electron ion-atom collision systems. Up to now time independent self consistent molecular orbitals have been used to expand the time dependent wavefunction and rather complicated potential coupling matrix elements have been neglected. Our idea is to minimize the potential coupling by using the time dependent electronic density to generate molecular basis functions. We present the first results for 16 MeV S{^16+} on Ar.

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We study cooperating distributed systems (CD-systems) of restarting automata that are very restricted: they are deterministic, they cannot rewrite, but only delete symbols, they restart immediately after performing a delete operation, they are stateless, and they have a read/write window of size 1 only, that is, these are stateless deterministic R(1)-automata. We study the expressive power of these systems by relating the class of languages that they accept by mode =1 computations to other well-studied language classes, showing in particular that this class only contains semi-linear languages, and that it includes all rational trace languages. In addition, we investigate the closure and non-closure properties of this class of languages and some of its algorithmic properties.

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It is known that cooperating distributed systems (CD-systems) of stateless deterministic restarting automata with window size 1 accept a class of semi-linear languages that properly includes all rational trace languages. Although the component automata of such a CD-system are all deterministic, in general the CD-system itself is not, as in each of its computations, the initial component and the successor components are still chosen nondeterministically. Here we study CD-systems of stateless deterministic restarting automata with window size 1 that are themselves completely deterministic. In fact, we consider two such types of CD-systems, the strictly deterministic systems and the globally deterministic systems.

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Feeding wild birds creates an important link between homeowners and conservation. The effects of bird feeders and year-round feeding on birds have not been well studied, however, particularly in relationship to bird-window collisions. We determined effects of bird feeder presence and placement on bird-window collisions at residential homes. Paired month-long trials in which a feeder was either present or absent for one month and then removed or added for the second month were completed at 55 windows at 43 houses. In each trial, homeowners were asked to search their study window daily for evidence of a bird-window collision. During the study there were 51 collisions when there was no bird feeder and 94 when the feeder was present. The season when each trial was set up was the best individual predictor of bird-window collisions. The largest number of collisions was observed during fall migration and the lowest during the winter months. There were no collisions at 26 of the study windows. High variance was observed in the number of collisions at different houses, indicating that effects of bird feeders are context dependent. Changing the occurrence, timing, and placement of feeders can alter collision rates but is only one of many factors that influence whether a residential house is likely to have a bird window-collision or not.

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Every year a large number of birds die when they collide with windows. The actual number is difficult to ascertain. Previous attempts to estimate bird-window collision rates in Canada relied heavily on a prior citizen-science study that used memory-based surveys. Such an approach to data collection has many potential biases. We built upon this study and its recommendations for future research by creating a citizen-science program that actively searched for collision evidence at houses and apartments for an extended period with the objective to see how standardized approaches to data collection compared with memory recall. Absolute collision estimates as well as relative differences were compared between residence types in the two studies, and we found considerable differences in absolute values for collisions but similar rankings of collision rates between residence types. Collision recall rates in our study (56.5%) were very similar those in the prior 2012 study, where 50.5% of participants remembered a bird colliding with a window at some time in the past. Fatality estimates, however, were 1.4 times higher in the 2012 study than in our study based on standardized searches. Rural houses with a bird feeder consistently had the highest number of collisions. This suggests that memory recall surveys may be a useful tool for understanding the relative importance of different risk factors causing bird-window collisions.

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An improved algorithm for the generation of gridded window brightness temperatures is presented. The primary data source is the International Satellite Cloud Climatology Project, level B3 data, covering the period from July 1983 to the present. The algorithm rakes window brightness, temperatures from multiple satellites, both geostationary and polar orbiting, which have already been navigated and normalized radiometrically to the National Oceanic and Atmospheric Administration's Advanced Very High Resolution Radiometer, and generates 3-hourly global images on a 0.5 degrees by 0.5 degrees latitude-longitude grid. The gridding uses a hierarchical scheme based on spherical kernel estimators. As part of the gridding procedure, the geostationary data are corrected for limb effects using a simple empirical correction to the radiances, from which the corrected temperatures are computed. This is in addition to the application of satellite zenith angle weighting to downweight limb pixels in preference to nearer-nadir pixels. The polar orbiter data are windowed on the target time with temporal weighting to account for the noncontemporaneous nature of the data. Large regions of missing data are interpolated from adjacent processed images using a form of motion compensated interpolation based on the estimation of motion vectors using an hierarchical block matching scheme. Examples are shown of the various stages in the process. Also shown are examples of the usefulness of this type of data in GCM validation.