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Author: Michel Chuard (auteur d'une thèse de sciences.)
Publisher:
ISBN:
Category :
Languages : fr
Pages : 86
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Author: Michel Chuard (auteur d'une thèse de sciences.)
Publisher:
ISBN:
Category :
Languages : fr
Pages : 86
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Book Description
Author: VINCENT.. MATHAE
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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L'OBJECTIF DE CE TRAVAIL EST LA REALISATION D'UNE CHAINE INFORMATISEE DE METROLOGIE THERMIQUE PERMETTANT LA MESURE DES TEMPERATURES DE SURFACE ET CELLE A PROXIMITE DE LA SURFACE D'UNE PAROI FIXE OU MOBILE AFIN DE DETERMINER LES COEFFICIENTS DE TRANSFERT THERMIQUE LOCAUX ET DE SUIVRE L'EVOLUTION DE CES COEFFICIENTS AU COURS DU TEMPS. LA DEMARCHE SUIVIE AU COURS DE CE TRAVAIL PRESENTE POUR CHAQUE CAPTEUR LES ETAPES SUIVANTES: 1) INFORMATISATION DE L'ACQUISITION DES DONNEES, 2) PILOTAGE DU CAPTEUR, 3) APPLICATION. LA VALIDATION EXPERIMENTALE DE LA CHAINE DE MESURE EST EFFECTUEE PAR L'ETUDE DE L'ECHAUFFEMENT D'UN MOTEUR ELECTRIQUE ET CELLE DE L'ECOULEMENT DANS UN CANAL PRESENTANT UNE PERTURBATION SINUSOIDALE
Author: Mohamed Assoul
Publisher:
ISBN:
Category :
Languages : fr
Pages : 21
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Book Description
LES SURFACES MECANIQUES PEUVENT ETRE GENEREES PAR UN GRAND NOMBRE DE PROCEDES. LE DEVELOPPEMENT DE NOUVELLES TECHNIQUES AINSI QUE L'UTILISATION DE NOUVEAUX MATERIAUX CONDUISENT A DES FORMES TRES DIVERSES. LE PRESENT TRAVAIL PROPOSE UNE CHAINE DE MESURE D'ETAT DE SURFACE, SUSCEPTIBLE DE TRAITER TOUTE FORME DE SURFACE. L'AUGMENTATION DE L'ECHELLE VERTICALE EST ASSUREE A L'AIDE D'UN ASSERVISSEMENT VERTICAL DU PALPEUR EN FONCTION DU SIGNAL DELIVRE PAR CELUI-CI. CE DEPLACEMENT EST CORRELE A UNE VARIATION DE LA POSITION DE L'ORIGINE DU REPERE DE MESURE. LES CAUSES PHYSIQUES ET GEOMETRIQUES D'ERREURS DE CE SYSTEME SONT ANALYSEES. UN TEL SYSTEME, PAR L'AUTOMATISME QU'IL AUTORISE, PERMET LA MESURE D'UNE SERIE D'ECHANTILLONS SANS AUCUNE INTERVENTION. LE DEFAUT DE FORME OU LES ONDULATIONS DOIVENT ETRE FILTRES. CINQ FILTRES NUMERIQUES SONT PROPOSES ET COMPARES. LE FILTRAGE ENTRAINANT UNE ERREUR SYSTEMATIQUE SUR LES PARAMETRES DE RUGOSITE, UNE DETERMINATION THEORIQUE DE CETTE ERREUR EST REALISEE POUR CHACUN DES FILTRES ET POUR DIFFERENTES FORMES GEOMETRIQUES. CES RESULTATS SONT COMPARES A CEUX ISSUS DE L'EXPERIENCE ET MONTRENT UNE BONNE CORRESPONDANCE. UNE QUANTIFICATION DES SURFACES EST PROPOSEE. LE FILTRAGE EST OBTENU PAR DES FILTRES BIDIMENSIONNELS ET PAR TRANSFORMATION DE FOURIER RAPIDE
Author: Charles B. Heiser
Publisher: University of Oklahoma Press
ISBN: 0806155671
Category : Nature
Languages : en
Pages : 270
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Book Description
Humankind has had a long and intimate association with gourds, and one of them, the bottle gourd, or calabash, may have been man's first cultivated plant. Although grown in the United States today primarily as ornamentals, in other parts of the world gourds have many other important uses. With charming text and stunning black-and-white photographs, The Gourd Book provides fascinating scientific information and folklore about these remarkable plants and keys for identifying species. The first part of the book deals with tree gourds, widely used as containers and for decoration; the Cucurbita gourds, including the buffalo gourd, the Turk's turban, the silver-seed gourd, and the Malabar gourd, all utilized as food, and the beautiful ornamental gourds; the loofah gourds, popular as cosmetic sponges; minor gourds, such as the snake, wax, bitter, teasel, and hedgehog, sometimes used as food or medicine; and gourds mentioned in the Bible. The second part takes up the bottle gourd, which has been used for thousands of years. Even today this gourd is almost indispensable in many parts of the tropics, where species are used to make containers, musical instruments, and clothing, as food and medicine, and in art. The book concludes with a discussion of the gourd in folklore and myth and an appendix on growing, hybridizing, and preserving gourds for decoration. Delightfully written for general readers, this book will also appeal to botanists, anthropologists, horticulturists, and everyone interested in plants or gardening.
Author: Leslie Rainer
Publisher: Getty Publications
ISBN: 1606060430
Category : Architecture
Languages : fr
Pages : 438
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Book Description
Earthen architecture constitutes one of the most diverse forms of cultural heritage and one of the most challenging to preserve. It dates from all periods and is found on all continents but is particularly prevalent in Africa, where it has been a building tradition for centuries. Sites range from ancestral cities in Mali to the palaces of Abomey in Benin, from monuments and mosques in Iran and Buddhist temples on the Silk Road to Spanish missions in California. This volume's sixty-four papers address such themes as earthen architecture in Mali, the conservation of living sites, local knowledge systems and intangible aspects, seismic and other natural forces, the conservation and management of archaeological sites, research advances, and training.
Author: Nick Ashton
Publisher:
ISBN:
Category : Archaeological geology
Languages : en
Pages : 280
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Author: Denise Pumain
Publisher: Springer Science & Business Media
ISBN: 1402041276
Category : Business & Economics
Languages : en
Pages : 248
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Book Description
Hierarchy is a form of organisation of complex systems that rely on or produce a strong differentiation in capacity (power and size) between the parts of the system. It is frequently observed within the natural living world as well as in social institutions. According to the authors, hierarchy results from random processes, follows an intentional design, or is the result of the organisation which ensures an optimal circulation of energy for information. This book reviews ancient and modern representations and explanations of hierarchies, and compares their relevance in a variety of fields, such as language, societies, cities, and living species. It throws light on concepts and models such as scaling laws, fractals and self-organisation that are fundamental in the dynamics and morphology of complex systems. At a time when networks are celebrated for their efficiency, flexibility and better social acceptance, much can be learned about the persistent universality and adaptability of hierarchies, and from the analogies and differences between biological and social organisation and processes. This book addresses a wide audience of biologists and social scientists, as well as managers and executives in a variety of institutions.
Author: Max Giordano
Publisher: John Wiley & Sons
ISBN: 1118587529
Category : Business & Economics
Languages : en
Pages : 389
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Book Description
This book gives a comprehensive view of the most recent major international research in the field of tolerancing, and is an excellent resource for anyone interested in Computer Aided Tolerating. It is organized into 4 parts. Part 1 focuses on the more general problems of tolerance analysis and synthesis, for tolerancing in mechanical design and manufacturing processes. Part 2 specifically highlights the simulation of assembly with defects, and the influence of tolerances on the quality of the assembly. Part 3 deals with measurement aspects, and quality control throughout the life cycle. Different measurement technologies and methods for estimating uncertainty are considered. In Part 4, different aspects of tolerancing and their interactions are explored, from the definition of functional requirement to measurement processes in a PLM approach.
Author: Debarati Sanyal
Publisher: JHU Press
ISBN: 1421429292
Category : Literary Criticism
Languages : en
Pages : 289
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Book Description
The Violence of Modernity turns to Charles Baudelaire, one of the most canonical figures of literary modernism, in order to reclaim an aesthetic legacy for ethical inquiry and historical critique. Works of modern literature are commonly theorized as symptomatic responses to the trauma of history. In a climate that tends to privilege crisis over critique, Debarati Sanyal argues that it is urgent to rethink literary experience in terms that recall its contestatory potential. Examining Baudelaire's poems afresh, she shifts the focus of critical attention toward an account of modernism as an active engagement with violence, specifically the violence of history in nineteenth-century France. Sanyal analyzes a literary current that uses the traditional hallmarks of modernism—irony, intertextuality, self-reflexivity, and formalism—to challenge the historical violence of modernity. Baudelaire and the committed ironists writing in his wake teach us how to read and resist the violence of history, and thereby to challenge the melancholy tenor of our contemporary "wound culture." In a series of provocative readings, Sanyal presents Baudelaire's poetry as an aesthetic form that contests historical violence through rhetorical strategies of complicity, counterviolence, and critique. The book develops a new account of Baudelaire's significance as a modernist by dislodging him both from his traditional status as a practitioner of "art for art's sake" and from his more recent incarnation as the poet of trauma. Following her extended analysis of Baudelaire's poetry, Sanyal in later chapters considers a number of authors influenced by his strategies—including Rachilde, Virginie Despentes, Albert Camus, and Jean-Paul Sartre—to examine the relevance of their interventions for our current climate of trauma and terror. The result is a study that underscores how Baudelaire's legacy continues to energize literary engagements with the violence of modernity.
Author: United Nations. International Law Commission
Publisher:
ISBN:
Category : International law
Languages : en
Pages :
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