Physique et technologie, du CP au CM2 PDF Download
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Author: Raymond Tavernier
Publisher: Bordas Editions
ISBN: 9782040282790
Category :
Languages : fr
Pages : 62
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Author: Raymond Tavernier
Publisher: Bordas Editions
ISBN: 9782040282790
Category :
Languages : fr
Pages : 62
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Book Description
Author: J. L. Canal
Publisher: Bordas Editions
ISBN: 9782040281755
Category :
Languages : fr
Pages : 47
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Book Description
Ce cahier propose un choix de sujets tous conformes au nouveau programme. Chacun des exercices permet une réflexion active des élèves et une construction progressive de leur savoir. L'utilisation du cahier ne se fait pas obligatoirement dans l'ordre. Le tableau de la dernière page, qui établit la correspondance entre les sujets proposés dans le cahier et les différents points du programme, facilite le choix de l'exercice. La variété et le nombre d'exercices proposés permettent à l'enseignant de sélectionner ceux qui feront l'objet d'une séquence de classe (découverte d'un phénomène par exemple) et ceux qui seront proposés pour une évaluation des connaissances. Selon l'organisation pédagogique adoptée dans la classe, certaines pages permettent l'organisation de moments de travail autonome des élèves (expériences à réaliser, maquettes à construire ... ).
Author:
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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Author: Collectif,
Publisher:
ISBN: 9782040281953
Category :
Languages : fr
Pages : 63
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Book Description
Author: Michel Andre Aegerter
Publisher: Springer Science & Business Media
ISBN: 0387889531
Category : Technology & Engineering
Languages : en
Pages : 474
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Book Description
Sol-Gel Techniques for Glass Producers and Users provides technological information, descriptions and characterizations of prototypes, or products already on the market, and illustrates advantages and disadvantages of the sol-gel process in comparison to other methods. The first chapter entitled "Wet Chemical Technology" gives a summary of the basic principles of the sol-gel chemistry. The most promising applications are related to coatings. Chapter 2 describes the various "Wet Chemical Coating Technologies" from glass cleaning to many deposition and post-coating treatment techniques. These include patterning of coatings through direct or indirect techniques which have became very important and for which the sol-gel processing is particularly well adapted. Chapter 3 entitled "Bulk Glass Technologies" reports on the preparation of special glasses for different applications. Chapter 4 entitled "Coatings and Materials Properties" describes the properties of the different coatings and the sol-gel materials, fibers and powders. The chapter also includes a section dedicated to the characterization techniques especially applied to sol-gel coatings and products.
Author: Allan S. Krass
Publisher: Routledge
ISBN: 100020054X
Category : Political Science
Languages : en
Pages : 325
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Book Description
Originally published in 1983, this book presents both the technical and political information necessary to evaluate the emerging threat to world security posed by recent advances in uranium enrichment technology. Uranium enrichment has played a relatively quiet but important role in the history of efforts by a number of nations to acquire nuclear weapons and by a number of others to prevent the proliferation of nuclear weapons. For many years the uranium enrichment industry was dominated by a single method, gaseous diffusion, which was technically complex, extremely capital-intensive, and highly inefficient in its use of energy. As long as this remained true, only the richest and most technically advanced nations could afford to pursue the enrichment route to weapon acquisition. But during the 1970s this situation changed dramatically. Several new and far more accessible enrichment techniques were developed, stimulated largely by the anticipation of a rapidly growing demand for enrichment services by the world-wide nuclear power industry. This proliferation of new techniques, coupled with the subsequent contraction of the commercial market for enriched uranium, has created a situation in which uranium enrichment technology might well become the most important contributor to further nuclear weapon proliferation. Some of the issues addressed in this book are: A technical analysis of the most important enrichment techniques in a form that is relevant to analysis of proliferation risks; A detailed projection of the world demand for uranium enrichment services; A summary and critique of present institutional non-proliferation arrangements in the world enrichment industry, and An identification of the states most likely to pursue the enrichment route to acquisition of nuclear weapons.
Author: S. Coffa
Publisher: Newnes
ISBN: 044459972X
Category : Science
Languages : en
Pages : 1031
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Book Description
The aim of these proceedings is to present and stimulate discussion on the many subjects related to ion implantation among a broad mix of specialists from areas as diverse as materials science, device production and advanced ion implanters.The contents open with a paper on the future developments of the microelectronics industry in Europe within the framework of the global competition. The subsequent invited and oral presentations cover in detail the following areas: trends in processing and devices, ion-solid interaction, materials science issues, advanced implanter systms, process control and yield, future trends and applications.
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Category :
Languages : fr
Pages :
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Author: Jean-Claude Fourneau
Publisher:
ISBN: 9782866282783
Category : Bodybuilding
Languages : fr
Pages : 0
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Author: Anne-Marie Albrand
Publisher: Bordas Editions
ISBN: 9782040165901
Category :
Languages : fr
Pages : 95
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Book Description
