2,649 research outputs found
Modelisation de la dynamique de repartition de l'azote chez un jeune arbre fruitier pendant la phase de croissance exponentielle. II. - Validation. Analyse de l'erreur. Simulation
Un modèle de transfert de l’azote endogène chez de jeunes arbres fruitiers a été proposé par les auteurs dans un article précédent (Habib & Monestiez, 1987). Des simulations numériques sont confrontées à des données d’expériences indépendantes de celles ayant servi à la mise au point du modèle. Cette confrontation permet de considérer que le modèle est globalement validé. Cependant, l’analyse des résultats a mis en évidence certains défauts de modélisation qui sont discutés. Par ailleurs, les résidus « mesure-modèle » sont analysés. En particulier, il est démontré que les masses totales d’azote des organes végétaux peuvent être prévues avec une bonne précision ; par contre, il n’est pas possible de diminuer l’erreur résiduelle concernant les teneurs en azote. A titre d’illustration, il est montré comment ce type de modèle pourrait être employé pour préparer un plan d’expériences. Le cas d’un essai de calendrier de fertilisation est rapidement commenté.A model of nitrogen partitioning in young fruit trees was presented in earlier work. Numerical simulations of the model have now been compared to experimental data. These data are independent of those being used to model and fit the parameters. Simulations and experiments were in quite good agreement and the model is considered as being validated. Nevertheless some failings of the model are pointed out and discussed. The residual error « experimental data - simulated data » is analysed. The total amount of nitrogen in the vegetative parts could be predicted with good precision, but the residual error of the nitrogen content could not be lowered. An example is shown how this kind of model could be used to prepare an experimental design. An experiment on the time of application of nitrogen fertiliser is briefly discussed
Samuel Beckett and the Writers of Port-Royal
It has been observed that ‘the literary influences on Beckett have been far more important than has been acknowledged, and more important indeed, than the philosophical influences’ (Smith 2002: 3). The truth of this statement is evidenced by the description that scholars have given of Samuel Beckett’s relationship to seventeenth century French classicism. To date, critical interest has been limited for the most part to the figure of the philosopher René Descartes on the (fragile) grounds that Beckett was exclusively concerned with the Cartesian imperative of clarity and order, the fundamental dualism between body and mind, and Nominalism.
Together with the assumption that Beckett’s vision was essentially Cartesian, his literary filiation with Pascal was suggested by critics, but only in terms of Beckett’s formal approach to the theatre. In his short article on En attendant Godot in 1953, the playwright Jean Anouilh was among the first reviewers to suggest that Beckett’s drama synthesizes the encounter between ‘classicism’ and a ‘modern’ form of art. It is well known that Beckett retained a lifelong admiration for Pascal – indeed, Pascal was one of his ‘old chestnuts’ (Knowlson 1997: 653). Little attention has been paid, however, to the originality of Pascal’s thought, the specific nature of his prose, and the impact these might have had upon Beckett’s mature work, especially the trilogy and the subsequent short prose. Yet, in the literary and philosophical context of post-war France, Beckett’s filiation with Pascal, their corresponding preoccupations, were evident to his contemporaries, who identified Pascal as an underlying presence in his works
Sabil and Wikala of Dhul Fiqar Oda Bashi
interior, courtyard, "Vue de l'Okel Zoulfiqar," color plate XLIV of Pascal Coste's "Architecture arabe; ou, Monuments du Kaire, mesurés et dessinés, de 1818 à 1826", 1818-182
First person - Aude Pascal
International audienceFirst Person is a series of interviews with the first authors of a selection of papers published in Journal of Cell Science, helping early-career researchers promote themselves alongside their papers. Aude Pascal is first author on `Annexin A2 and Ahnak control cortical NuMA-dynein localization and mitotic spindle orientation', published in JCS. Aude is a research assistant in the lab of Re ' gis Giet at University of Rennes, France, who is particularly interested in developmental biology. She has always been struck by the fact that a whole organism displaying multiple functions arises from a single cell. For this reason, she has oriented her research on mitosis and meiosis to study the different steps, components and structures involved in these processes
Pascal Tutorial, 1987
There exists a limited number of tutorials for the Pascal programming language using the Apple Computer. The demand for these tutorials exceeds the supply. In this thesis an attempt was made to rectify this shortage by designing a Pascal tutorial for the Apple computer. This Pascal tutorial is designed to assist with instructing an introductory computer programming course in Pascal, incorporating Apple Superpilot as the authoring language. Emphasis is placed on making the program "user friendly." A person with no previous programming experience should be able to easily execute this tutorial. The information presented as the subject matter of the tutorial will follow the guidelines recommended by the Association for Computing Machinery
Architecture arabe; ou, Monuments du Kaire, mesurés et dessinés, de 1818 à 1826
general view, "Vue des Tombeaux au Nord-Est de la Ville," color plate LXIII of Pascal Coste's "Architecture arabe; ou, Monuments du Kaire, mesurés et dessinés, de 1818 à 1826", 1818-182
Gamia el-Muaiyad
interior, qibla wall, "Vue de la Niche du Sanctuaire et de la Chaire de la Mosquee el Moyed"," color plate XXVIII of Pascal Coste's "Architecture arabe; ou, Monuments du Kaire, mesurés et dessinés, de 1818 à 1826", 1818-182
Architecture arabe; ou, Monuments du Kaire, mesurés et dessinés, de 1818 à 1826
section, section of the prayer hall, and details of inscription and chandelier, Plate XXIII of Pascal Coste's "Architecture arabe; ou, Monuments du Kaire, mesurés et dessinés, de 1818 à 1826
Tomb of the Family of Muhammad 'Ali
interior, "Vue des Tombeaux de la Famille de Mohamed-Aly-Pacha, dans le Cimetiere de l'Imam," color plate LXIV of Pascal Coste's "Architecture arabe; ou, Monuments du Kaire, mesurés et dessinés, de 1818 à 1826", 1818-182
Architecture arabe; ou, Monuments du Kaire, mesurés et dessinés, de 1818 à 1826
general view, "Vue de la Porte Bab-el-Fotouh," color plate LVII of Pascal Coste's "Architecture arabe; ou, Monuments du Kaire, mesurés et dessinés, de 1818 à 1826", 1818-182
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