Hochschule Bonn-Rhein-Sieg
Publikationsserver der Hochschule Bonn-Rhein-Sieg - pub H-BRSNot a member yet
7939 research outputs found
Sort by
Business Process Management: Analysis, Modeling, Optimization, and Controlling of Processes
No full textThis textbook bridges the gap between business-administrative and organizational methods and their digital implementation, since process management increasingly means shaping operational tasks. In addition to methodological fundamentals, the book offers many practical examples and exercises. Prof. Gadatsch’s book is now considered the “current classic”, the authoritative standard work for IT-supported design of business processes. The eleventh edition has been improved and adapted to the requirements of digital transformation. Another related trend is the increased use of data science methods for process management. Of particular importance are recent research findings published under the term “exploratory process management.” These show that the first main phase of process management was more focused on optimizing existing processes and business models. New practical examples have been added throughout the book, such as migration strategies for the ERP system SAP S/4 HANA, which serves as the basis for many industrial and service processes. The chapter on process modeling has been updated and newer methods, such as the Business Model Canvas, have been included
Simulation Processes in Business and Economics: Fundamentals of the Monte Carlo Simulation
No full textHuman d-Glycerate Kinase, Encoded by GLYCTK and Deficient in d-Glyceric Aciduria, Is a Mitochondrial Enzyme
No full textDisease or non-disease - about the identification of metabolic conditions that require no treatment
No full textUnfinished work tasks and work-related thoughts during off-job time: meta-analysis of the Zeigarnik effect in a work-recovery context
No full textRu catalyzed continuous gas-phase hydrogenation of toluene – selectivity enhancement by ionic liquid coating and methanol co-feeding
No full textTowards reliable elastic characterization of glass bead reinforced thermoplastic composites using impulse excitation and conventional testing
No full textReliable determination of elastic properties is essential for the structural use of polymer composites in engineering applications. This work aims to evaluate the impulse excitation technique (IET) as a method for determining elastic constants of glass bead‑reinforced polyamide 66 (PA66) and polybutylene terephthalate (PBT), and to compare its performance to tensile testing (TT), dynamic mechanical analysis (DMA), and oscillatory torsion (OT). Commercial PA66 and PBT grades with 0-40 wt% glass beads were injection‑molded and annealed; the addition of glass beads increased Young's moduli by 60-70% for PA66 and 40-60% for PBT compared to the neat matrices, depending on filler content. IET, supported by finite element analysis, provided dynamic flexural and longitudinal moduli, shear modulus, and Poisson's ratio which were comparable to those obtained from TT, DMA and OT. In the linear elastic regime IET data differed within the standard deviations of TT, DMA and OT. The moduli determined by flexural excitation using IET and DMA agreed within experimental uncertainty only above an amplitude threshold of approximately 110 μm, while Young's moduli from TT and IET showed good agreement, though TT exhibited greater variability. Consistent trends were also found for shear modulus and Poisson's ratio. The higher longitudinal moduli (4 to 8% for PA66 and 2 to 4% for PBT) measured by IET are explained by higher frequencies (3 to 4 orders of magnitude) and cross-sectional microstructural anisotropy and crystallinity differences confirmed by microscopy and calorimetry. The results demonstrate that IET is a much faster, non‑destructive and accurate method for obtaining elastic constants of thermoplastic composites particularly suited for the design and dimensioning of load‑bearing structural components
Schwarzbuch Bürokratie an Hochschulen für angewandte Wissenschaften: Probleme - Verursacher - Lösungen
No full textAn den deutschen Hochschulen ist die Situation nicht anders als im ganzen Land: Sowohl subjektiv wahrgenommen (so die endlosen Klagen an den Hochschulen) wie objektiv messbar (bspw. am Zeit- und Kostenaufwand) führt die Hochschulbürokratie zu erheblichen und wachsenden Produktivitätsverlusten bei Lehre, Forschung, Transfer und anderen originären Aufgaben der Professorinnen und Professoren. Dabei leiden diese nicht allein am bürokratischen Schlupf, alle Statusgruppen sind belastet: die wissenschaftlichen Mitarbeiterinnen und Mitarbeiter in den Fachgebieten, nichtwissenschaftlich Beschäftigte in Laboren, Rechenzentren, Bibliotheken, selbst die Bediensteten in den Hochschulverwaltungen verschwenden unnötig Arbeitszeit und verursachen ungewollt vermeidbare Kosten.
Diese Anamnese hat eine Arbeitsgruppe von mehr als 70 HAW-Professorinnen und -Professoren aus dem gesamten Bundesgebiet, tätig in staatlichen, kirchlichen und privaten Hochschulen sowie Hochschulen für öffentliche Verwaltung und Polizei, dazu bewegt, in diesem Open-Access-Buch Beispiele und Belege für ausufernde Bürokratie zusammenzutragen, nach Verursachern zu fragen und Lösungen anzubieten