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Metal complexes of mesoionic carbenes (MICs) of the triazolylidene type and their derivatives have gained increasing attention in the fields of electrocatalysis and photochemistry. The redox activity of these metal complexes is critical for their applications in both the aforementioned fields....
Navigating through dense traffic situations like merging onto highways and making unprotected left turns remains a challenge for the existing autonomous driving system. Classifying vehicles into parked, stopped, and moving vehicles can benefit the decision-making system in this case because they&...
In this thesis, we investigate the differences between the idealized gymnasium cartpole environment and a real cartpole with the aim to train robust agents in the simulation, that perform well in realworld tasks. In this work, we not only consider the classical upright task, b...
Surrogatmodellierung ist eine beliebte Methodik, um Kosten bei der Durchführung von Experimenten mittels teuren Simulationen zu sparen. Für das Training von Surrogaten werden in der Regel adaptive Samplingansätze verwendet, um ein möglichst effektives Training mit möglicht wenig Daten durchführen zu...
Crystal size is a key parameter of zeolites applied as catalysts. Herein, ZSM-5 crystals with similar physicochemical and acid properties, few defects, and aluminum exclusively in tetrahedral coordination are synthesized and the influence of the crystal size on the MTO and ETA conversio...
Rechnerische Analysen im Zuge der Dimensionierung und Substanzbewertung gewinnen im Betonstraßenbau zunehmend an Bedeutung. Eine hinreichende Kenntnis über das im nationalen Betonstraßenbau spezifische thermische Ausdehnungsverhalten des Baustoffs Beton ist für eine adäquate Berücksichtigung bei der Modellbildung es...
Building Information Modelling (BIM) hat den Digitalisierungsprozess in der gesamten Immobilienwirtschaft über alle Lebenszyklusphasen hinweg beschleunigt. Hinsichtlich der finanziellen Auswirkungen einzelner Lebenszyklusphasen macht die Betriebsphase den größten Teil der Lebenszykluskosten eines Gebäudes aus. Vor diesem ...
Sustainable aviation fuels provide the opportunity to reduce the aviation industry’s climate impact while avoiding a complete replacement of the current aircraft fleet. The European Union directs its member states to a gradual uptake of sustainable aviation fuel from 2 %vol. in 2025...
This paper uses a two-scale material modeling approach to investigate fatigue crack initiation and propagation of the material X10CrMoVNb9-1 (P91) under cyclic loading at room temperature. The Voronoi tessellation method was implemented to generate an artificial microstructure model at the micros...
Bacterial synthesis gas (syngas) fermentation offers a promising solution for the reduction of greenhouse gas emissions - the greatest challenge of today’s society. The substrate gas, which mainly consists of CO2, CO, and H2, represents an inexpensive feedstock originating from agricultural, ...
Erosion of metallic surfaces due to the permanent impact of high-speed water droplets is a significant concern in diverse industrial applications like turbine blades, among others. In the initial stage of water droplet erosion, there is an incubation regime with negligible mass loss...
This article presents RuPro, a new corpus resource of prosodically annotated speech by Russian heritage speakers in the U.S. and monolingually raised Russian speakers. The corpus contains data elicited in formal and informal communicative situations, by male/female and adolescent/adult speak...
The modeling of machining process characteristics and, in particular, of various cutting processes occupies a significant part of modern research. Determining the thermal characteristics in short hole drilling processes by numerical simulation is the object of the present study. For different...
Analyzing the cutting process characteristics opens up significant opportunities to improve various material machining processes. Numerical modeling is a well-established, powerful technique for determining various characteristics of cutting processes. The developed spatial finite element model of short hole...
La0.6Ca0.4Co1-xFexO3-d in its various compositions has proven to be an excellent CO2-resistant oxygen transport membrane that can be used in plasma-assisted CO2 conversion. With the goal of incorporating green hydrogen into the CO2 conversion process, this work takes a step further by i...
During the production of fiber-reinforced plastics using resin transfer molding (RTM), various characteristic defects and flaws can occur, such as fiber displacement and fiber waviness. Particularly in high-pressure RTM (HP-RTM), fiber misalignments are generated during infiltration by local peaks in&...
Additive manufacturing allows for the production of complex components using various types of materials such as plastics, metals and ceramics without the need for molding tools. In the field of high-performance polymers, semi-crystalline polymers such as polyetheretherketone (PEEK) or amorphous p...
Polymer concrete has proved to be advantageous in machine building for many years thanks to its excellent damping properties. Until now, its use was limited to machine beds due to its comparatively low tensile strength. Its use in moving structural components has not been poss...
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