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Elektrochemische Herstellung und Charakterisierung von Nanostrukturen - Entwicklung ultrascharfer STM-Spitzen als Nanoelektroden

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ISBN: 3937300295 Year: DOI: 10.5445/KSP/1000001689 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:01:58

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In der vorliegenden Arbeit wurde ein elektrochemisches Raster-Sonden-Mikroskop dazu benutzt, gezielt Nanostrukturen herzustellen und zu charakterisieren. Das elektrochemische Umfeld bietet gegenüber den sonst angewandten Techniken den Vorteil, dass die Über- und Untersättigung an den beiden Arbeitselektroden frei eingestellt werden kann. Diese Methode erlaubt es lokal Nanostrukturen definierter Größe herzustellen. Mittels einer selbst aufgebauten UHV-Apparatur konnten Präparationstechniken zur reproduzierbaren Herstellung von geometrisch hoch definierten STM-Spitzen für nahezu jedes Metall entwickelt werden. Derart qualitativ hochwertige STM-Spitzen ermöglichten erstmals einen Strommessbereich von 10-6 bis10-12 Ampere abzudecken.Die entwickelten Instrumente konnten zur Untersuchung der Systeme Co bzw. Ni auf Au(111)-Substraten eingesetzt werden. Das Verfahren zur Erzeugung magnetischer Nanostrukturen wurde optimiert und erste spektroskopische Messungen an der Fest-/ Flüssiggrenzfläche konnten durchgeführt werden.

Protecting the Body in War and Combat

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ISBN: 9783700177418 Year: Pages: 381 Seiten Language: English
Publisher: Verlag der Österreichischen Akademie der Wissenschaften Grant: Austrian Science Fund - PUB 337
Added to DOAB on : 2018-02-23 11:02:20
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This monograph provides an overview of all metal body armour from the European Bronze Age from a typo-chronological perspective but also in focusing on the manufacture and usage of such armour. This was enabled through the re-evaluation of central and eastern European finds in particular and their material analyses. The research history, distribution and chronology, as well as manufacture and use of helmets, greaves and cuirasses is discussed.

Der Decal-Prozess zur Herstellung katalysatorbeschichteter Membranen für PEM-Brennstoffzellen

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Book Series: Schriftenreihe des Instituts für Angewandte Materialien, Karlsruher Institut für Technologie ISSN: 21929963 ISBN: 9783731503347 Year: Volume: 47 Pages: XXIX, 329 p. DOI: 10.5445/KSP/1000045306 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:02:02
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This work is a comprehensive analysis of the decal process for production of catalyst coated membranes. Both the process window for the transfer of electrodes from decal foil onto membrane and the effects of the parameters of ink and transfer process on structure and function including process reproducibility shall be investigated. A major component of all those aspects is the selection, implementation and assessment of appropriate characterization methods.

I segreti degli strumenti di scrittura

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ISBN: 9788860460509 9788860460998 Year: Pages: 350 Language: Italian
Publisher: bu,press
Subject: General and Civil Engineering
Added to DOAB on : 2017-11-23 11:01:53
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The world of writing instruments contains a surprising wealth of information. These objects constitute an integral part of the industrial design culture and are of great technical and anthropological interest. The tools presented here are some of the most common and widely used in our daily lives. Through the study of these objects, this volume examines and collects comparable information that can be found in any other industrial product.

Open-Access-Publikationsworkflow für akademische Bücher

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ISBN: 9783966270175 9783966270182 9783966270151 9783966270168 Year: Pages: 440 DOI: 10.33968/9783966270175-00 Language: German
Publisher: HTWK Leipzig - OA-Hochschulverlag
Subject: Agriculture (General)
Added to DOAB on : 2020-03-18 11:21:02
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"The need for an immediate, transparent and sustainable dissemination of current research has become a prerequisite for the further development of science today. Making research results freely available online as Open Access is considered to achieve the widest possible dissemination worldwide. Everyone can access anywhere Open Access publications without any restrictions or paywalls. Meanwhile more and more academic institutions and universities have already started their own presses to publish books Open Access. In the present manual a sustainable and ideal workflow for producing and publishing academic books is presented. That workflow enables universities to publish their publications both as Open Access and printed books in a state-of-theart way and without any restrictions regarding the license, the variety of formats, print run etc. As proof of concepts we have processed different use cases which demonstrates the current status of the technically and economically possibilities in the publishing sector. Furthermore, data on time, costs and personnel resources were determined, which can be used by other universities and academic institutions to indicate the necessary investments for founding and operation of their own Open Access university presses."

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