Publications
Now showing items 1081-1120 of 2508
Organische Nanopartikel zum Aufbau photoaktiver Schichten Organischer Solarzellen
(2017)
Nanoparticle dispersions were used to fabricate photoactive layers of organic solar cells from water or ethanol. By using a precipitation method the power conversion efficiencies of the nanoparticulate solar cells were ...
Organische Halbleiterbauelemente für mikrooptische Systeme
(2007)
Diese Arbeit befasst sich mit neuen Aspekten der Nutzung der Klasse der organischen Halbleiterbauelemente. Es wird dabei insbesondere die Integration organischer Bauelemente in mikrooptische Systeme untersucht. Dabei stehen ...
Photonic Wire Bonding as a Novel Technology for Photonic Chip Interfaces
(2018)
To create photonic multi-chip modules, integrated photonic chips need to be connected internally and to external glass fibers. A novel approach to address this task is the concept of photonic wire bonding, where free-standing ...
Photon upconversion heterostructures made from surface-anchored metal-organic frameworks
(2019)
This work deals with the process of photon upconversion in surface-anchored metal-organic frameworks. During the upconversion, two low-energy photons are absorbed and fused into a higher-energy photon, which is emitted. ...
Photonic crystal slabs for low-cost biosensors
(2010)
Biosensors are devices that utilize biological recognition elements to selectively detect and analyze specific biological and chemical analyte substances. In this work a technology platform for label-free optical biosensors ...
Nitrification in Fixed Bed Reactors Treating Saline Wastewater
(2011)
Two fixed bed reactors for nitrification with either polyethylene/clay sinter lamellas (FBR A) or porous ceramic rings (FBR B) were continously run for treating synthetic saline wastewater. Seawater from Hafen Büsum was ...
Die Notebook-Universität Karlsruhe (TH) NUKATH
(2004)
Neue Wege in der Lehre und Forschung an deutschen Hochschulen:Die Universität Karlsruhe (TH) entwickelte, erprobte und evaluierte Wege und Instrumente zur Verbesserung der Qualität mobilen und multimediagestützten Lebens, ...
A novel micro-mechanical model for prediction of multiaxial high cycle fatigue at small scales
(2017)
The grain microstructure and damage mechanisms at the grain level are the key factors that influence fatigue of metals at small scales. This is addressed in this work by establishing a new micro-mechanical model for ...
Novel MRI Technologies for Structural and Functional Imaging of Tissues with Ultra-short T? Values
(2017)
Conventional MRI has several limitations such as long scan durations, motion artifacts, very loud acoustic noise, signal loss due to short relaxation times, and RF induced heating of electrically conducting objects. The ...
Optische und mechanische Messungen von elektrophysiologischen Vorgängen im Myokardgewebe
(2008)
Die vorliegende Arbeit befasst sich mit der optischen Erfassung von elektrischen Signalen im Herzen, welche eine kontaktlose Messung der elektrischen Signale von der Herzoberfläche ermöglicht. Hieraus lassen sich ...
Personalised body counter calibration using anthropometric parameters
(2014)
This book describes the development of a new method for personalisation of efficiency factors in partial body counting. Its achieved goal is the quantification of uncertainties in those factors due to variation in anatomy ...
Oxidation von Isobutan und Isobuten zu Methacrolein an einem neuen Mo-basierten Mischoxid-Katalysator
(2019)
In the present work kinetic experiments addressing the oxidation of isobutene and isobutene to methacrolein over a new Mo-based mixed oxide catalyst are presented. The experiments focus on the one hand on the synthesis of ...
Palm theory, mass transports and ergodic theory for group-stationary processes
(2011)
This work is about random measures stationary with respect to a possibly non-transitive group action. It contains chapters on Palm Theory, the Mass-Transport Principle and Ergodic Theory for such random measures. The thesis ...
Die partielle Oxidation von Propan zu Acrylsäure. Bestimmung der Reaktionskinetik und in-situ Charakterisierung des Katalysators unter Betriebsbedingungen
(2004)
Gegenstand der vorliegenden Arbeit ist die partielle einstufige Oxidation von Propan zu Acrylsäure an einem oxidischen Multikomponentenkatalysator mit der Zusammensetzung Mo1V0,33Nb0,17Te0,25Ox. In der vorliegenden Arbeit ...
Partielle Oxidation von o-Xylol zu Phthalsäureanhydrid : Keramische Schwämme als alternative Trägerstrukturen
(2008)
Gegenstand der vorliegenden Arbeit war die Abschätzung des Potentials keramischer Schwämme als Katalysatorträger. Die dafür notwendigen Untersuchungen wurden mittels der partiellen Oxidation von o-Xylol zu Phthalsäureanhydrid ...
Partikeldetektion in mikrofluidischen Systemen
(2015)
Analysis of microparticles is an important tool in medicine, biology and chemistry. In order to address future application areas, new systems will be produced by printing technology. In this work new microfluidic particle ...
Physics-Based Probabilistic Motion Compensation of Elastically Deformable Objects
(2012)
A predictive tracking approach and a novel method for visual motion compensation are introduced, which accurately reconstruct and compensate the deformation of the elastic object, even in the case of complete measurement ...
Piezoelektrische Self-sensing-Aktoren zur Korrektur statischer Verlagerungen
(2008)
In Kombination mit dem Funktionsprinzip einer Schwingsaitenwaage können piezoelektrische Wandler im Bereich kleiner Frequenzen gleichzeitig sensorisch und aktorisch betrieben werden. In der vorliegenden Arbeit werden ...
Novel Aggregated Solutions for Robust Visual Tracking in Traf?c Scenarios
(2019)
This work proposes novel approaches for object tracking in challenging scenarios like severe occlusion, deteriorated vision and long range multi-object reidenti?cation. All these solutions are only based on image sequence ...
Online-Abschätzung der Rammguttragfähigkeit beim langsamen Vibrationsrammen in nichtbindigen Böden
(2009)
Es wird ein Verfahren vorgestellt, das die Abschätzung der Rammguttragfähigkeit beim Vibrationsrammen während des Rammprozesses ermöglicht. In Labor- und Feldversuchen wurden neben den üblichen Vibrationsrammparametern die ...
Online-Identifikation fraktionaler Impedanzmodelle für die Hochtemperaturbrennstoffzelle SOFC
(2008)
In dieser Arbeit wird ein Verfahren entwickelt, das die Online-Schätzung fraktionaler Impedanzmodelle im Zeitbereich ermöglicht. Hierzu wird ein neuartiges Verfahren vorgestellt, welches die Beschreibung der Impedanz durch ...
Optically Powered Highly Energy-efficient Sensor Networks
(2013)
In optically powered networks, both, communication signals and power for remotely located sensor nodes, are transmitted over an optical fiber. Key features of optically powered networks are node operation without local ...
An Optical Grooming Switch for High-Speed Traffic Aggregation in Time, Space and Wavelength
(2010)
In this book a novel optical switch is designed, developed, and tested. The switch integrates optical switching, transparent traffic aggregation/grooming, and optical regener-ation. Innovative switch subsystems are developed ...
Organisation der Bauproduktion nach dem Vorbild industrieller Produktionssysteme : Entwicklung eines Gestaltungsmodells eines Ganzheitlichen Produktionssystems für den Bauunternehmer
(2009)
Im Bauwesen wurde Mitte der 90er Jahre begonnen, singuläre Gestaltungsprinzipien und Methoden der Lean Production zu adaptieren sowie neue bauspezifische Methoden zu entwickeln (Lean Construction). In der vorliegenden ...
Organic Semiconductor Lasers and Tailored Nanostructures for Raman Spectroscopy
(2015)
This work presents the application of organic semiconductor distributed feedback laser as free-space excitation source in Raman spectroscopy. Surface-enhanced Raman scattering effect is exploited to improve the detection ...
Organic Service-Level Management in Service-Oriented Environments
(2011)
Dynamic service-oriented environments (SOEs) are characterised by a large number of heterogeneous service components that are expected to support the business as a whole. The present work provides a negotiation-based ...
Organic traffic control
(2011)
Modern cities cannot be imagined without traffic lights controlling the road network. To handle the network's changing demands efficiently, the signal plan specification needs to be shifted from the design time to the ...
Organic Smart Home - Energiemanagement für Intelligente Gebäude
(2013)
The Organic Smart Home is a generic framework as well as a runtime environment for the application in real smart homes to cope with the challenges of a flexible and adaptive energy management system.
Policy-based Contracting in Semantic Web Service Markets
(2007)
This book presents an interdisciplinary approach drawing from the fields of computer science, economics, and law to realize dynamic and flexible Web service markets. It thereby addresses technical issues such as the ...
Qualification of the airborne FTIR spectrometer MIPAS-STR and study on denitrification and chlorine deactivation in Arctic winter 2009/10
(2013)
This work describes the qualification of the airborne Fourier-Transform infrared spectrometer Michelson Interferometer for Passive Atmospheric Sounding-STRatospheric aircraft (MIPAS-STR) and studies on ozone-relevant ...
Qualitätsorientierter Entwurf von Anwendungsdiensten
(2011)
Um die mit dienstorientierten Architekturen verknüpften Ziele wie bspw. eine höhere Flexibilität erreichen zu können, wird von Diensten die Einhaltung bestimmter Qualitätseigenschaften wie bspw. loser Kopplung oder Autonomie ...
Quantum simulation experiments with superconducting circuits
(2018)
While the universal quantum computer seems not in reach for the near future, this work focusses on analog quantum simulation of intriguing quantum models of light-matter interactions, with the goal of achieving a computational ...
Ranking for Web Data Search Using On-The-Fly Data Integration
(2014)
Ranking - the algorithmic decision on how relevant an information artifact is for a given information need and the sorting of artifacts by their concluded relevancy - is an integral part of every search engine. In this ...
Die Reaktionskinetik des Gipsabbindens: Makroskopische Reaktionsraten und Mechanismen in molekularem Maßstab
(2005)
Das Gipsabbinden setzt sich in molekularem Maßstab aus drei Teilschritten zusammen: Auflösung des Halbhydrats (CaSO4 · 0.5 H2O, Bassanit) sowie Keimbildung und Kristallwachstum des Dihydrats (CaSO4 · 2 H2O, Gips). Eine ...
Real-time Digital Signal Processing for Software-defined Optical Transmitters and Receivers
(2014)
A software-defined optical Tx is designed and demonstrated generating signals with various formats and pulse-shapes in real-time. Special pulse-shapes such as OFDM or Nyquist signaling were utilized resulting in a highly ...
Real-time imaging systems for superconducting nanowire single-photon detector arrays
(2014)
Superconducting nanowire singe-photon detectors (SNSPD) are promising detectors in the field of applications, where single-photon resolution is required like in quantum optics, spectroscopy or astronomy. These cryogenic ...
Reaktionskinetische Untersuchungen zur Umwandlung stickstoffhaltiger Gaskomponenten unter Bedingungen der Abfallverbrennung
(2010)
Die vorliegende Arbeit stellt einen detaillierten Reaktionsmechanismus zur Verfügung, der die Stickstoffoxidbildung aus brennstoffgebundenem Stickstoff in der Gasphase unter Bedingungen der Abfallverbrennung beschreiben ...
Real-time Biomechanical Modeling for Intraoperative Soft Tissue Registration
(2015)
Computer assisted surgery systems intraoperatively support the surgeon by providing information on the location of hidden risk and target structures during surgery. However, soft tissue deformations make intraoperative ...
Proliferation-Proof Uranium/Plutonium Fuel Cycles: Safeguards and Non-Proliferation
(2011)
After description of the uranium / plutonium fuel cycle results are reported for various isotopic compositions of reactor-grade plutonium for usability in hypothetical nuclear explosive devices. It is shown that it is ...
Possibly imperfect ontologies for effective information retrieval
(2007)
Ontologies and semantic metadata can theoretically solve all problems of traditional full-text search engines. In practice, however, they are always imperfect. This work analyzed whether the negative effect of ontology ...