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Author: Philippe Perdu
Publisher:
ISBN:
Category :
Languages : fr
Pages : 0
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Book Description
Author: Philippe Perdu
Publisher:
ISBN:
Category :
Languages : fr
Pages : 0
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Book Description
Author: Philippe Perdu
Publisher:
ISBN:
Category :
Languages : fr
Pages : 490
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Book Description
NOUS UTILISONS LE CONTRASTE DE POTENTIEL LORS DE L'ANALYSE DE DEFAILLANCE DE CIRCUITS INTEGRES. CE CONTRASTE RESULTE DE L'OBSERVATION D'UN CIRCUIT INTEGRE EN FONCTIONNEMENT DANS UN MICROSCOPE ELECTRONIQUE A BALAYAGE. LE RELEVE DE TENSIONS CONTINUES EST PERTURBE PAR L'ACCUMULATION DE CHARGES POSITIVES DANS LA COUCHE DE PASSIVATION DES CIRCUITS INTEGRES. L'ANALYSE DE CE PHENOMENE DE CHARGE, MONTRE LES LIMITES DU MODELE DE LA BARRIERE DE POTENTIEL. NOUS AVONS ETABLI UN MODELE ELECTROSTATIQUE BASE SUR LE CALCUL DU CHAMP ELECTRIQUE EN TOUT POINT DE L'ISOLANT ET DE LA CHAMBRE DU MICROSCOPE. PAR SES EFFETS SUR LA TRAJECTOIRE DES ELECTRONS SECONDAIRES, CE CHAMP MODIFIE LE SPECTRE ET LE TAUX DE REEMISSION. LES VALEURS THEORIQUES OBTENUES CORRESPONDENT AUX VALEURS EXPERIMENTALES ET MONTRENT QU'UN CONTRASTE DE POTENTIEL STATIQUE PEUT ETRE RELEVE SI LA COUCHE DE PASSIVATION EST RECOUVERTE D'UNE COUCHE CONDUCTRICE. LE SONT DES SOLUTIONS POSSIBLES POUR ELIMINER CETTE CHARGE, NOUS POUVONS GRAVER LA COUCHE DE PASSIVATION OU LA COUVRIR D'UNE COUCHE ANTISTATIQUE. LA GRAVURE SECHE, MOINS RISQUEE QUE LA GRAVURE PAR VOIE HUMIDE, PEUT INDUIRE DES DERIVES PARAMETRIQUES, FORMER DES TRANCHEES ET GRAVER DES JOINTS DE GRAIN. LE DEPOT DE LIQUIDE PRESENTE UNE FAIBLE REPRODUCTIBILITE, UN EFFET LIMITE DANS LE TEMPS ET UNE POLLUTION DU CIRCUIT. LES DEPOTS DE CARBONE PAR EVAPORATION SONT REPRODUCTIBLES, UNIFORMES ET OPTIMISABLES. ILS N'ALTERENT NI LE CIRCUIT NI SON COMPORTEMENT ELECTRIQUE. ILS NE SONT PAS EFFICACES DANS TOUS LES CAS. A L'AIDE DE TROIS PLANS D'EXPERIENCES, L'ETUDE DES CONSEQUENCES DES TECHNIQUES DE PREPARATION SUR LA SENSIBILITE DU COMPOSANT A L'IRRADIATION CAUSEE PAR LE FAISCEAU D'ELECTRONS PRIMAIRES MONTRE QUE LES CIRCUITS GRAVES SONT LES PLUS SENSIBLES
Author:
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Category : Antiquities
Languages : en
Pages : 452
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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: France. Commissariat à l'énergie atomique
Publisher:
ISBN:
Category : Fuel cycle
Languages : en
Pages : 192
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Author:
Publisher:
ISBN:
Category : Iron
Languages : fr
Pages : 468
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Book Description
Author: Roger Balian
Publisher: Springer Science & Business Media
ISBN: 3540454802
Category : Science
Languages : en
Pages : 626
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Book Description
This popular, often cited text returns in a softcover edition to provide a thorough introduction to statistical physics and thermodynamics, and to exhibit the universal chain of ideas leading from the laws of microphysics to the macroscopic behaviour of matter. A wide range of applications illustrates the concepts, and many exercises reinforce understanding. Volume II applies statistical methods to systems governed by quantum effects, in particular to solid state physics, explaining properties due to the crystal structure or to the lattice excitations or to the electrons. The last chapters are devoted to non-equilibrium processes and to kinetic equations, with many applications included.
Author: Jessica S. Sanders
Publisher: Food & Agriculture Organization of the UN (FAO)
ISBN:
Category : Business & Economics
Languages : en
Pages : 128
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Book Description
The five case studies from Belize, Mauritania, Samoa, Philippines and Japan were prepared as part of a set of 16 studies gathering national experiences from around the world. The studies are intended to ground the FAO Technical Guidelines on Marine Protected Areas (MPAs) and Fisheries1 in practical experience and to inform the use of MPAs globally
Author: Claude Cohen-Tannoudji
Publisher: John Wiley & Sons
ISBN: 3527345558
Category : Science
Languages : en
Pages : 790
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Book Description
This new, third volume of Cohen-Tannoudji's groundbreaking textbook covers advanced topics of quantum mechanics such as uncorrelated and correlated identical particles, the quantum theory of the electromagnetic field, absorption, emission and scattering of photons by atoms, and quantum entanglement. Written in a didactically unrivalled manner, the textbook explains the fundamental concepts in seven chapters which are elaborated in accompanying complements that provide more detailed discussions, examples and applications. * Completing the success story: the third and final volume of the quantum mechanics textbook written by 1997 Nobel laureate Claude Cohen-Tannoudji and his colleagues Bernard Diu and Franck Laloë * As easily comprehensible as possible: all steps of the physical background and its mathematical representation are spelled out explicitly * Comprehensive: in addition to the fundamentals themselves, the books comes with a wealth of elaborately explained examples and applications Claude Cohen-Tannoudji was a researcher at the Kastler-Brossel laboratory of the Ecole Normale Supérieure in Paris where he also studied and received his PhD in 1962. In 1973 he became Professor of atomic and molecular physics at the Collège des France. His main research interests were optical pumping, quantum optics and atom-photon interactions. In 1997, Claude Cohen-Tannoudji, together with Steven Chu and William D. Phillips, was awarded the Nobel Prize in Physics for his research on laser cooling and trapping of neutral atoms. Bernard Diu was Professor at the Denis Diderot University (Paris VII). He was engaged in research at the Laboratory of Theoretical Physics and High Energy where his focus was on strong interactions physics and statistical mechanics. Franck Laloë was a researcher at the Kastler-Brossel laboratory of the Ecole Normale Supérieure in Paris. His first assignment was with the University of Paris VI before he was appointed to the CNRS, the French National Research Center. His research was focused on optical pumping, statistical mechanics of quantum gases, musical acoustics and the foundations of quantum mechanics.
Author: Peter Atkins
Publisher: OUP Oxford
ISBN: 0191647632
Category : Science
Languages : en
Pages : 142
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Book Description
The laws of thermodynamics drive everything that happens in the universe. From the sudden expansion of a cloud of gas to the cooling of hot metal, and from the unfurling of a leaf to the course of life itself - everything is directed and constrained by four simple laws. They establish fundamental concepts such as temperature and heat, and reveal the arrow of time and even the nature of energy itself. Peter Atkins' powerful and compelling introduction explains what the laws are and how they work, using accessible language and virtually no mathematics. Guiding the reader from the Zeroth Law to the Third Law, he introduces the fascinating concept of entropy, and how it not only explains why your desk tends to get messier, but also how its unstoppable rise constitutes the engine of the universe.
