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Controlling
(2013)
Eine zielorientierte Steuerung und die Erhöhung der Transparenz gehören zu den zentralen Aufgaben des Management in Unternehmen und in nichtkommerziellen Organisationen. Vor dem Hintergrund der zunehmenden Umweltdynamik und einer hohen Komplexität, in denen Organisationen heute agieren, gewinnt ein modernes und zielorientiertes Controlling zur Erfüllung der anspruchsvollen Steuerungsaufgaben zunehmend an Bedeutung.
Reactive oxygen species and the bacteriostatic and bactericidal effects of isoconazole nitrate
(2013)
Angewandte Makroökonomie
(2013)
Makroökonomische Ereignisse wie die Schuldenkrise, Rezession, Arbeitslosigkeit und Inflation haben nicht nur gesamtwirtschaftliche Konsequenzen, sondern auch vielfältige Berührungspunkte zum täglichen Leben. Diese Ereignisse sind häufig komplex und für den Einzelnen nicht immer leicht zu durchschauen. Um Studierende auf die globalen Herausforderungen von Wirtschaft, Gesellschaft und Umwelt vorzubereiten ist in diesem Lehrbuch explizit auch das Thema der nachhaltigen Entwicklung integriert. Außerdem werden die großen Themen der Makroökonomie teilweise gebündelt behandelt, um die vielfältigen Zusammenhänge zwischen den einzelnen Gebieten transparenter zu gestalten. Dies hat für Studierende und Lehrende u.a. den Vorteil, dass eine modulare Verwendung möglich ist.
Internet-Ökonomie
(2013)
The BRICS component model: a model-based development paradigm for complex robotics software systems
(2013)
This paper examines how students learn to collaborate in English by participating in an intercultural project that focuses on teaching students to work together on a digital writing project using various online tools, and participated in this digital collaboration project. Mixed groups of students, two French and two German, used several synchronous and asynchronous tools to communicate with their counterparts (Facebook, WordPress blog, WIMS e-learning platform, email, videoconferencing). Students had to produce an article together, comparing French and German attitudes about a topic they negotiated freely in their groups. Before publishing their post, students were expected to peer-review the article written by their group. Once published, the stage consisted of voting for the best posts on the e-learning platform, WIMS. A videoconference was also organized to create cohesion between the participants. The result of the student evaluations, together with the administrative, technical vastly differing university setups is presented.
Increased endothelin-1 decreases PKC alpha (PKCα), resulting in high miRNA 15a levels in kidney tumors. Breast cancer cells treated with ET-1, β-estrogen, Tamoxifen, Tamoxifen + β-estrogen and Tamoxifen + ET-1 were analysed regarding miRNA 15a expression. Significantly increased miRNA 15a levels were found after ET-1, becoming further increased in Tamoxifen + ET-1 treated cells. Our group already showed that miRNA 15a induces MAPK p38 splicing resulting in a truncated product called Mxi-2, whose function has yet to be defined in tumors. We described for the first time in ET-1 induced tumor cells that Mxi-2 builds a complex with Ago2, a miRNA binding protein, which is important for the localization of miRNAs to the 3′UTR of target genes. Furthermore, we show that Mxi-2/Ago2 is important for the interaction with the miRNA 1285 which binds to the 3′end of the tumor suppressor gene p53, being responsible for the downregulation of p53. Tissue arrays from breast cancer patients were performed, analysing Mxi-2, p53 and PKCα. Since the Mxi-2 levels increase in Tamoxifen + ET-1 treated cells, we claim that increasing ET-1 levels in Tamoxifen treated breast cancer patients are responsible for decreasing p53 levels. In summary, ET-1 decreases nuclear PKCα levels, while increasing the amount of miRNA 15a. This causes high levels of Mxi-2, necessary for complex formation with Ago2. The newly identified Mxi-2/Ago2 complex interacting with miRNA 1285 leads to increased 3′UTR p53 interaction, resulting in decreased p53 levels and subsequent tumor progression. This newly identified mechanism is a possible explanation for the development of ET-1 induced tumors.
Switched power electronic subsystems are widely used in various applications. A fault in one of their components may have a significant effect on the system’s load or may even cause a damage. Therefore, it is important to detect and isolate faults and to report true faults to a supervisory system in order to avoid malfunction of or damage to a load. If, in a model-based approach to fault detection and isolation of hybrid systems, switching devices are considered as ideal switches then some equations must be reformulated whenever some devices have switched. In this paper, a fixed causality bond graph representation of hybrid system models is used, i.e., computational causalities assigned according to the Standard Causality Assignment Procedure (SCAP) are independent of system modes of operation. The latter are taken into account by transformer moduli mi(t) ∈ {0, 1} ∀t ≥ 0 in a unique set of equations of motion. In a case study, this approach is used for fault diagnosis in a three-phase full-wave rectifier. Residuals of Analytical Redundancy Relations (ARRs) holding for all modes of operations and serving as fault indicators are computed in an offline simulation as part of a DAE system by using a bond graph model of the faulty system instead of the real one and by coupling it to a bond graph of the healthy system by means of residual sinks.
Although most individuals who gamble do so without any adverse consequences, some individuals develop a recurrent, maladaptive pattern of gambling behaviour, often called pathological gambling or gambling disorder, that is associated with financial losses, disruption of family and interpersonal relationships, and co-occurring psychiatric disorders. Identifying whether different types of gambling modalities vary in their ability to lead to maladaptive patterns of gambling behaviour is essential to develop public policies that seek to balance access to gambling opportunities with minimizing risk for the potential adverse consequences of gambling behaviour. Until recently, assessing the risk potential of different types of gambling products was nearly impossible. ASTERIG, initially developed in Germany in 2006-2010, is an assessment tool to measure and to evaluate the risk potential of any gambling product based on scores on ten dimensions. In doing so, it also allows a comparison to be drawn between the addictive potential of different gambling products. Furthermore, the tool highlights where the specific risk potential of each specific gambling product lies. This makes it a valuable tool at the legislative, case law, and administrative levels as it allows the risk potential of individual gambling products to be identified and to be compared globally and across 10 different dimensions of risk potential. We note that specific gambling products should always be evaluated rather than product groups (lotteries, slot machines) or providers, as there may be variations among those product groups that impact their risk potential. For example, slot machines may vary on the amount of jackpot, which may influence their risk potential.
Hochschulen beschäftigen sich mit der Frage, wie Lehrveranstaltungen und Forschungsprojekte durch den Einsatz digitaler Werkzeuge und Lernplattformen begleitet und ergänzt werden können. Bibliotheken spielen hierbei häufig eine tragende Rolle, auf ganz unterschiedliche Art und Weise: Als Content-Entwickler und -Provider, als Supportstelle oder als E-Learning-Beratungsstelle für Lehrende und Studierende.
Updating a shared data structure in a parallel program is usually done with some sort of high-level synchronization operation to ensure correctness and consistency. However, underlying synchronization instructions in a processor architecture are costly and rather limited in their scalability on larger multi-core/multi-processors systems. In this paper, we examine work queue operations where such costly atomic update operations are replaced with non-atomic modifiers (simple read+write). In this approach, we trade the exact amount of work with atomic operations against doing more and redundant work but without atomic operations and without violating the correctness of the algorithm. We show results for the application of this idea to the concrete scenario of parallel Breadth First Search (BFS) algorithms for undirected graphs on two large NUMA shared memory system with up to 64 cores.
BWL für Dummies
(2013)
More than 25 years ago, it was a big surprise for physiologists that nitric oxide (NO) was identified as the endothelium derived relaxing factor which is responsible for endothelium-induced smooth muscle relaxation (Ignarro et al., 1987). Until then, small gaseous molecules were simply regarded as byproducts of cellular metabolism which were unlikely to be of any physiological relevance. The discovery that NO was synthesized by specific enzymes (NO-synthases), upon stimulation by specific, physiologically relevant stimuli (e.g., acetylcholine stimulation of endothelial cells), as well as the fact that it acted on specific cellular targets (e.g., soluble guanylate cyclase), set the course for numerous studies which investigated the physiological roles of gaseous signaling molecules—in other words, gasotransmitters (Wang, 2002).
Information reliability and automatic computation are two important aspects that are continuously pushing the Web to be more semantic. Information uploaded to the Web should be reusable and extractable automatically to other applications, platforms, etc. Several tools exist to explicitly markup Web content. The Web services may also have a positive role on the automatic processing of Web contents, especially when they act as flexible and agile agents. However, Web services themselves should be developed with semantics in mind. They should include and provide structured information to facilitate their use, reuse, composition, query, etc. In this chapter, the authors focus on evaluating state-of-the-art semantic aspects and approaches in Web services. Ultimately, this contributes to the goal of Web knowledge management, execution, and transfer.
Die Jahresberichte der Hochschule Bonn-Rhein-Sieg haben jedes Mal ein anderes Schwerpunktthema. Für den Jahresbericht 2012 lautet das Thema "Verantwortlich handeln und Vorbild sein: Die Hochschule in der Gesellschaft".
Den Anfang bildet ein Gespräch zwischen dem Intendanten der Deutschen Welle, Erik Bettermann, und Hochschulpräsident Hartmut Ihne über Verantwortung in der Ausbildung und das Engagement in der Entwicklungszusammenarbeit. In den Kapiteln Studium & Lehre, Forschung, Campus, Region und Internationales findet sich ein vielfältiges Themenspektrum, wobei die Übergänge fließend sind, denn viele Themen ließen sich auch durchaus anderen Kapiteln zuordnen.
Sonderseiten sind in der neuen Ausgabe der "Pause" gewidmet: Forschungssemestern und Sabbatjahr, die Pause im wissenschaftlichen Fokus oder die ganz normale Kaffeepause. Pausen müssen sein.
The Report starts with an interview between Eric Bettermann, Director of the German radio station Deutsche Welle, and University President Hartmut Ihne, which deals with responsibility in education and our University’s activities in the area of development cooperation. The chapters “Studies & Research”, “Research”, “Campus” , “The Region and International Issues” cover a wide spectrum of topics that are not rigidly defined because many topics might just as readily be assigned to other chapters.
In the latest edition, some special pages have been dedicated to the topic of “Taking a break”, i.e. to research semesters and sabbaticals, to breaks as a scientific focal point or to absolutely normal coffee breaks. Breaks are an essential part of our lives.
Förderpreise 2013
(2013)
YAWL Symposium 2013. Proceedings of the First YAWL Symposium, Sankt Augustin, Germany, June 7, 2013
(2013)
Annual Report 2011 - 2012
(2013)
Studierende und Absolventen der neuen Bachelorstudiengänge berichten über ihre Erfahrungen im Praxissemester. Sie wollen damit anderen Studierenden Mut machen, ihren persönlichen Weg ins Ausland zu finden, den ersten Schritt zu wagen und vor allem zur Planung eines eigenen Auslandspraxissemesters anregen. Ihre Beiträge zeigen, persönliche Erfahrungen und Entdeckungen im Ausland können das Leben bereichern und Freundschaften über Kulturen und Länder hinweg entstehen lassen.
The Forum Nachhaltigkeit im Lebensmittelhandel (NIL; Sustainability in Food Retailing) is a collection of scientific papers dealing with various aspects of sustainability in the area of food retail trade.
Providing universal access to social protection and health systems for all members of society, including the poor and vulnerable, is increasingly considered crucial to international development debates. This is the first book to explore from an interdisciplinary and global perspective the reforms of social protection systems introduced in recent years by many governments of low and middle-income countries.