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LesMécanismes de fatigue dans les fibres thermoplastiques
  • Language: fr
  • Pages: 159

LesMécanismes de fatigue dans les fibres thermoplastiques

  • Type: Book
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  • Published: 2004
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  • Publisher: Unknown

La présente étude examine et compare le comportement des deux types de fibres PA66 et deux types de fibres PET à haute performance sous sollicitation en fatigue, menés jusqu'à la rupture, ainsi que la corrélation entre leurs (nano)structure et leur hétérogénéité structurale avec la durée de vie en fatigue. Plusieurs techniques ont été utilisées pour analyser les matériaux, tels que la microscopie électronique à balayage (MEB), la microanalyse EDS, la calorimétrie différentielle à balayage (DSC), la diffraction de rayons-X aux grands angles (WAXD) et la micro-spectroscopie Raman. Une analyse minutieuse des faciès de rupture en traction et en fatigue par microscopie élec...

bookdown
  • Language: en
  • Pages: 140

bookdown

  • Type: Book
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  • Published: 2016-12-12
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  • Publisher: CRC Press

bookdown: Authoring Books and Technical Documents with R Markdown presents a much easier way to write books and technical publications than traditional tools such as LaTeX and Word. The bookdown package inherits the simplicity of syntax and flexibility for data analysis from R Markdown, and extends R Markdown for technical writing, so that you can make better use of document elements such as figures, tables, equations, theorems, citations, and references. Similar to LaTeX, you can number and cross-reference these elements with bookdown. Your document can even include live examples so readers can interact with them while reading the book. The book can be rendered to multiple output formats, i...

Advances in Safety, Reliability and Risk Management
  • Language: en
  • Pages: 538

Advances in Safety, Reliability and Risk Management

  • Type: Book
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  • Published: 2011-08-31
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  • Publisher: CRC Press

Covering a wide range of topics on safety, reliability and risk management, the present publication will be of interest to academics and professionals working in a wide range of scientific, industrial and governmental sectors, including: Aeronautics and Aerospace; Chemical and Process Industry; Civil Engineering; Critical Infrastructures; Energy; Information Technology and Telecommunications; Land Transportation; Manufacturing; Maritime Transportation; Mechanical Engineering; Natural Hazards; Nuclear Industry; Offshore Industry; Policy Making and Public Planning.

Plasma Catalysis
  • Language: en
  • Pages: 248

Plasma Catalysis

  • Type: Book
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  • Published: 2019-04-02
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  • Publisher: MDPI

Plasma catalysis is gaining increasing interest for various gas conversion applications, such as CO2 conversion into value-added chemicals and fuels, N2 fixation for the synthesis of NH3 or NOx, methane conversion into higher hydrocarbons or oxygenates. It is also widely used for air pollution control (e.g., VOC remediation). Plasma catalysis allows thermodynamically difficult reactions to proceed at ambient pressure and temperature, due to activation of the gas molecules by energetic electrons created in the plasma. However, plasma is very reactive but not selective, and thus a catalyst is needed to improve the selectivity. In spite of the growing interest in plasma catalysis, the underlying mechanisms of the (possible) synergy between plasma and catalyst are not yet fully understood. Indeed, plasma catalysis is quite complicated, as the plasma will affect the catalyst and vice versa. Moreover, due to the reactive plasma environment, the most suitable catalysts will probably be different from thermal catalysts. More research is needed to better understand the plasma–catalyst interactions, in order to further improve the applications.

International Environmental Negotiation
  • Language: en
  • Pages: 364

International Environmental Negotiation

This book develops a simple conceptual framework intended to clarify the distinctive attributes of international environmental negotiations. The framework is then applied by experts in the environmental field to a series of case analyses from a broad range of issues. Contributors discuss such issues as: climate change, ozone depletion, desertification, acid rain, sea pollution and biological diversity.

Ephemeral Retailing
  • Language: en
  • Pages: 116

Ephemeral Retailing

  • Type: Book
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  • Published: 2019-07-26
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  • Publisher: Routledge

Often described as the "hottest" retail phenomenon, ephemeral retail concerns the growth of pop-up stores as a new mode of retailing. These temporary stores "pop-up" without notice, quickly attract crowds, then disappear or morph into something else. Although they share similarities with traditional physical stores and online stores, ephemeral stores outshine existing retail formats as they have many unique and differentiating characteristics. These stores are becoming more popular among distribution channels as they offer exclusive and surprising retail experiences. Many established brands have already integrated these new points of sale into their distribution channels, while other brands ...

Ecology of Public Administration and Politics in Nigeria
  • Language: en
  • Pages: 416

Ecology of Public Administration and Politics in Nigeria

  • Type: Book
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  • Published: 2016
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  • Publisher: Unknown

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Catalyst Preparation
  • Language: en
  • Pages: 490

Catalyst Preparation

  • Type: Book
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  • Published: 2016-04-19
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  • Publisher: CRC Press

This text explores the optimization of catalytic materials through traditional and novel methods of catalyst preparation, characterization, and monitoring for oxides, supported metals, zeolites, and heteropolyacids. It focuses on the synthesis of bulk materials and of heterogeneous materials, particularly at the nanoscale. The final chapters examine pretreatment, drying, finishing effects, and future applications involving catalyst preparation and the technological advances necessary for continued progress. Topics also include heat and mass transfer limitations, computation methods for predicting properties, and catalyst monitoring on laboratory and industrial scales.