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1. |
Record Nr. |
UNINA9910160730803321 |
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Autore |
Friton Pascal |
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Titolo |
Die Festlegung und Erfu¨llung von Eignungsparametern nach den EU-Vergaberichtlinien und die Umsetzung im GWB-Vergaberecht / / Pascal Friton |
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Pubbl/distr/stampa |
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Baden-Baden : , : Nomos Verlagsgesellschaft mbH & Co. KG, , 2016 |
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ISBN |
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Descrizione fisica |
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1 online resource (602 pages) |
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Collana |
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Schriften zum Vergaberecht, ; ; 45 |
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Disciplina |
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Soggetti |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Sommario/riassunto |
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Die Arbeit untersucht die - trotz erheblicher praktischer Bedeutung von der Wissenschaft bislang wenig beachtete - Eignungsprüfung in Vergabeverfahren. In Zeiten von verschleppten Großprojekten mit ausufernden Kosten und zahlreichen Betrugs- und Korruptionsskandalen stellt sich für die öffentliche Hand stets die Frage, wie mit den dafür verantwortlichen Unternehmen umzugehen ist. Bei der Eignung geht es aber nicht nur um einen etwaigen Ausschluss von "Schlechtleistern" und Betrügern. Durch die Festlegung von Eignungsforderungen können öffentliche Auftraggeber den Wettbewerb um öffentliche Aufträge maßgeblich beeinflussen. Gezielte und spezifische Eignungsanforderungen ermöglichen eine präzise Steuerung des Bieterfelds. Ziel der Arbeit ist es, die bislang zur Eignungsprüfung ergangene Rechtsprechung und die vor allem von Vergabepraktikern verfassten Stellungnahmen in der Literatur anhand der herausgearbeiteten Systematik der Eignungsprüfung kritisch zu hinterfragen. Darüber hinaus werden die Auswirkungen der Vergaberechtsreform von 2016 umfassend dargestellt. |
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2. |
Record Nr. |
UNINA9910139553003321 |
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Titolo |
Characterization techniques for polymer nanocomposites [[electronic resource] /] / edited by Vikas Mittal |
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Pubbl/distr/stampa |
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Weinheim, : Wiley-VCH, c2012 |
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ISBN |
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3-527-65452-6 |
1-280-66354-5 |
9786613640475 |
3-527-65450-X |
3-527-65453-4 |
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Descrizione fisica |
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1 online resource (380 p.) |
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Collana |
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Polymer nano-, micro- & macrocomposites |
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Altri autori (Persone) |
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Disciplina |
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Soggetti |
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Polymer composites |
Nanostructured materials |
Fillers (Materials) - Surfaces |
Nanotechnology |
Composite materials |
Surfaces |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Characterization Techniques for Polymer Nanocomposites; Contents; Preface; List of Contributors; 1: Characterization of Nanocomposite Materials: An Overview; 1.1 Introduction; 1.2 Characterization of Morphology and Properties; 1.3 Examples of Characterization Techniques; References; 2: Thermal Characterization of Fillers and Polymer Nanocomposites; 2.1 Introduction; 2.2 TGA of Fillers; 2.2.1 Quantification of the Extent of Surface Modification; 2.2.2 Cleanliness of the Filler Surface; 2.2.3 Comparing the Stability of Different Fillers; 2.2.4 Dynamic TGA Analysis of the Fillers |
2.2.5 Characterization of the Surface Reactions2.2.6 Different Measurement Environments; 2.2.7 Correlation of Organic Matter with Basal Spacing; 2.3 TGA of Polymer Nanocomposites; 2.3.1 Effect of Filler Concentration; 2.3.2 Effect of Compatibilizer; 2.4 DSC of Fillers; 2.4.1 Thermal Transitions in the Modified Fillers; 2.5 DSC of |
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Composites; 2.5.1 Transitions in Composites; 2.5.2 Optimization of Curing Conditions; References; 3: Flame-Retardancy Characterization of Polymer Nanocomposites; 3.1 Introduction; 3.2 Types of Flame-Retardant Nanoadditives; 3.2.1 One-Dimensional Nanomaterials |
3.2.1.1 Montmorillonite Clay3.2.1.2 Nanographene Platelets; 3.2.2 Two-Dimensional Nanomaterials; 3.2.2.1 Carbon Nanofibers; 3.2.2.2 Carbon Nanotubes; 3.2.2.3 Halloysite Nanotubes; 3.2.3 Three-Dimensional Nanomaterials; 3.2.3.1 Nanosilica; 3.2.3.2 Nanoalumina; 3.2.3.3 Nanomagnesium Hydroxide; 3.2.3.4 Polyhedral Oligomeric Silsequioxanes; 3.3 Thermal, Flammability, and Smoke Characterization Techniques; 3.3.1 Introduction to Test Methods; 3.3.2 Thermogravimetric Analysis (TGA); 3.3.3 The UL 94 Vertical Flame Test; 3.3.4 Oxygen Index (Limiting Oxygen Index) (ASTM D2863-97) |
3.3.5 Cone Calorimeter (ASTM E 1354)3.3.6 Microscale Combustion Calorimeter (ASTM D 7309); 3.3.7 Steiner Tunnel Test (ASTM E 84); 3.4 Thermal and Flame Retardancy of Polymer Nanocomposites; 3.4.1 One-Dimensional Nanomaterial-Based Nanocomposites; 3.4.1.1 Polymer-Clay Nanocomposites; 3.4.1.2 Polymer-Graphene Nanocomposites; 3.4.2 Two-Dimensional Nanomaterial-Based Nanocomposites; 3.4.2.1 Polymer Carbon Nanofiber Nanocomposites; 3.4.2.2 Polymer Carbon Nanotube Nanocomposites; 3.4.2.3 Polymer Halloysite Nanotube Nanocomposites; 3.4.3 Three-Dimensional Nanomaterial-Based Nanocomposites |
3.4.3.1 Polymer Nanosilica Nanocomposites3.4.3.2 Polymer Nanoalumina Nanocomposites; 3.4.3.3 Polymer Nanomagnesium Hydroxide Nanocomposites; 3.4.3.4 Polymer POSS Nanocomposites; 3.4.4 Multicomponent FR Systems: Polymer Nanocomposites Combined with Additional Materials; 3.4.4.1 Polymer-Clay with Conventional FR Additive Nanocomposites; 3.4.4.2 Polymer-Carbon Nanotubes with Conventional FR Additive Nanocomposites; 3.4.4.3 Polymer-Clay and -Carbon Nanotubes with Conventional FR Additive Nanocomposites; 3.5 Flame Retardant Mechanisms of Polymer Nanocomposites |
3.6 Concluding Remarks and Trends of Polymer Nanocomposites |
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Sommario/riassunto |
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With its focus on the characterization of nanocomposites using such techniques as x-ray diffraction and spectrometry, light and electron microscopy, thermogravimetric analysis, as well as nuclear magnetic resonance and mass spectroscopy, this book helps to correctly interpret the recorded data. Each chapter introduces a particular characterization method, along with its foundations, and makes the user aware of its benefits, but also of its drawbacks.As a result, the reader will be able to reliably predict the microstructure of the synthesized polymer nanocomposite and its thermal and mecha |
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