757 resultados para Technische Logistik


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CODE, the Center for Orbit Determination in Europe, is a joint venture of the following four institutions:Astronomical Institute, University of Bern (AIUB), Bern, Switzerland; Federal Office of Topography swisstopo, Wabern, Switzerland; Federal Agency of Cartography and Geodesy (BKG), Frankfurt a. M., Germany; Institut für Astronomische und Physikalische Geodäsie, Technische Universität München (IAPG, TUM), Munich, Germany. It acts as a global analysis center of the International GNSS Service (IGS). The operational computations are performed at AIUB using the latest development version of the Bernese GNSS Software. In this context a final solution series is generated considering all active GPS and GLONASS satellites. It is published in daily files with a delay of about two weeks.

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CODE, the Center for Orbit Determination in Europe, is a joint venture of the following four institutions: Astronomical Institute, University of Bern (AIUB), Bern, Switzerland; Federal Office of Topography swisstopo, Wabern, Switzerland; Federal Agency of Cartography and Geodesy (BKG), Frankfurt a. M., Germany; Institut für Astronomische und Physikalische Geodäsie, Technische Universität München (IAPG, TUM), Munich, Germany. It acts as a global analysis center of the International GNSS Service (IGS). The operational computations are performed at AIUB using the latest development version of the Bernese GNSS Software. In this context a multi-GNSS solution is generated considering all active GPS, GLONASS, Galileo, BeiDou (expect for GEOs), and QZSS satellites as a contribution to the IGS-MGEX project. The results are published with a delay of about two weeks.

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Die Mehrzahl PC-gestützter Trainingsprogramme erhebt den Anspruch einer theoriegeleiteten Konzeption und weckt entsprechend hohe Erwartungen. Wissenschaftliche Wirksamkeitsnachweise existieren nur für wenige Verfahren. Der Arbeitskreis Aufmerksamkeit & Gedächtnis der GNP präsentiert hier die Struktur einer Programmrezension, die eine übersichtliche Zusammenfassung und transparente Bewertung von Trainingsprogrammen unter Bezug auf insgesamt 20 neuropsychologische, technische und pragmatische Kriterien erlaubt. Schließlich beschreiben wir den Aufbau eines Manuals, das für alle Kriterien die qualitäts-bestimmenden Programmeigenschaften spezifiziert und durch die Erstellung einer Rezension führt; das komplette Manual ist in diesem Heft abgedruckt. Die mit dieser Zeitschrift begonnene Veröffentlichung von Beispielrezensionen wird in loser Folge fortgesetzt.

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Der Beitrag diskutiert Möglichkeiten zur Automatisierung von Kundenbeziehungsprozessen im Customer Relationship Management mit Hilfe von Business Rules. Anhand einer CRM-Architektur werden Anwendungsmöglichkeiten erörtert und am Beispiel einer Cross-Selling-Kampagne vertieft. Technische Aspekte werden dabei nicht im Detail betrachtet. Der Schwerpunkt liegt vielmehr in der Diskussion von Automatisierungs- und Integrationspotenzialen durch den Einsatz von Business Rules, wie sie in zunehmend individualisierten Kundenbeziehungen in Massenmärkten gegeben sind.

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Wie im Krankenversicherungsrecht die Leistungserbringer (Ärzte, Spitäler, Pflegeheime etc.) entschädigt werden, legt das Krankenversicherungsgesetz nur in Grundzügen fest. Viele wichtige Fragen werden erst auf Tarifebene geklärt. Tarife müssen angepasst werden. Neue Behandlungsmethoden entstehen; technische Veränderungen müssen beachtet werden; die Alterung der Gesellschaft schreitet voran; die Qualität der Behandlung soll erhöht werden. Tarifanpassungen gehören zu den besonders schwierigen Fragen. Und auch dazu gibt das Krankenversicherungsgesetz kaum Vorgaben. Die Publikation von Kieser/Oggier/Bührer greift das Thema grundsätzlich in einem weit gefassten interdisziplinären Bogen, mit Fokus auf den ambulanten Bereich, auf. Es werden Antworten und Einordnungen vorgeschlagen und begründet. Damit will die Publikation den Vorgang der Tarifanpassung kritisch und fundiert begleiten.

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Cardiac pacemakers are routinely used for the treatment of bradyarrhythmias. Contemporary pacemakers are reliable and allow for a patient specific programming. However, pacemaker replacements due to battery depletion are common (~25 % of all implantation procedures) and bear the risk of complications. Batteryless pacemakers may allow overcoming this limitation. To power a batteryless pacemaker, a mechanism for intracorporeal energy harvesting is required. Such a generator may consist out of subcutaneously implanted solar cells, transforming the small amount of transcutaneously available light into electrical energy. Alternatively, intravascular turbines may harvest energy from the blood flow. Energy may also be harvested from the ventricular wall motion by a dedicated mechanical clockwork converting motion into electrical energy. All these approaches have successfully been tested in vivo. Pacemaker leads constitute another Achilles heel of contemporary pacemakers. Thus, leadless devices are desired. Miniaturized pacemaker circuits and suitable energy harvesting mechanisms (incorporated in a single device) may allow catheter-based implantation of the pacemaker in the heart. Such miniaturized battery- and leadless pacemakers would combine the advantages of both approaches and overcome major limitations of today’s systems.

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Verein für technische Studien in Syrien und Palästina / Subkomitee

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vorgelegt von dem Reallehrer der Rupprecht-Kreisrealschule in München, Ildefons Rösser aus Fuchsstadt

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Time variable gravity fields, reflecting variations of mass distribution in the system Earth is one of the key parameters to understand the changing Earth. Mass variations are caused either by redistribution of mass in, on or above the Earth's surface or by geophysical processes in the Earth's interior. The first set of observations of monthly variations of the Earth gravity field was provided by the US/German GRACE satellite mission beginning in 2002. This mission is still providing valuable information to the science community. However, as GRACE has outlived its expected lifetime, the geoscience community is currently seeking successor missions in order to maintain the long time series of climate change that was begun by GRACE. Several studies on science requirements and technical feasibility have been conducted in the recent years. These studies required a realistic model of the time variable gravity field in order to perform simulation studies on sensitivity of satellites and their instrumentation. This was the primary reason for the European Space Agency (ESA) to initiate a study on ''Monitoring and Modelling individual Sources of Mass Distribution and Transport in the Earth System by Means of Satellites''. The goal of this interdisciplinary study was to create as realistic as possible simulated time variable gravity fields based on coupled geophysical models, which could be used in the simulation processes in a controlled environment. For this purpose global atmosphere, ocean, continental hydrology and ice models were used. The coupling was performed by using consistent forcing throughout the models and by including water flow between the different domains of the Earth system. In addition gravity field changes due to solid Earth processes like continuous glacial isostatic adjustment (GIA) and a sudden earthquake with co-seismic and post-seismic signals were modelled. All individual model results were combined and converted to gravity field spherical harmonic series, which is the quantity commonly used to describe the Earth's global gravity field. The result of this study is a twelve-year time-series of 6-hourly time variable gravity field spherical harmonics up to degree and order 180 corresponding to a global spatial resolution of 1 degree in latitude and longitude. In this paper, we outline the input data sets and the process of combining these data sets into a coherent model of temporal gravity field changes. The resulting time series was used in some follow-on studies and is available to anybody interested.

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