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Protótipo de um repositório de dados de Benchmarking / Prototype of a Benchmarking data repositoryLima Junior, Jair Ferreira 20 December 2005 (has links)
Muitas organizações utilizam o processo de aprendizado e de melhoria baseado na comparação e na observação, denominado de benchmarking, mas poucas sabem de fato como fazê-lo corretamente. A referida técnica fornece um estímulo externo que encoraja um ambiente de aprendizado contínuo, tornando as empresas adaptáveis a novos conhecimentos. O benchmarking tornou-se um enfoque interessante quando se percebe que a melhoria dos processos de uma organização é fundamental para que ela alcance vantagem competitiva, e também quando se torna claro que essa melhoria pode vir da troca de aprendizado com outras corporações. Este trabalho apresenta um protótipo de um repositório de informações de benchmarking com acesso via internet, que fornece uma base de dados às organizações participantes, e tem como intuito facilitar a troca de experiências entre as mesmas. Para a efetivação do presente trabalho foram realizados estudos da literatura sobre benchmarking, levantamentos das bases de dados de benchmarking existentes no Brasil e no exterior, que servissem de guia para o desenvolvimento do modelo conceitual do repositório, além da construção de uma base de dados composta por indicadores de desempenho e melhores práticas sobre benchmarking. Ao longo desse trabalho, procurou-se estudar os modelos de negócios eletrônicos, a importância e as formas de estruturação de um banco de dados e as questões relativas à segurança em sistemas de informação. Finalizando, demonstrou-se em detalhes como foi construída a base de dados de benchmarking e o website do projeto, denominado de RVB - Rede Virtual de Benchmarking, com o objetivo de enriquecer o modelo do repositório e o trabalho teórico/conceitual. / Many organizations use a learning and improvement process based in the comparation and observation, named benchmarking, but few organizations really know how to make it correctly. The technical provides an external stimulus which encourages a continuum learning environment, making the companies adaptable to the new knowledge. Benchmarking became an interesting focus when we notice that the improvement of the processes of an organization is fundamental for it to reach a competitive advantage, and also when it\'s clear that this improvement can come from the exchange of learning with other corporations. This study presents a prototype of a repository of benchmarking information with access through internet, which provides a data base to the participant organizations, and with the aim to make easy the exchange of experiences among the organizations. To the effectiveness of this work, literature study about benchmarking were carried out, as well as data bases benchmarking existing in Brazil and abroad, which could serve as a guide to the development of a conceptual model of repository, besides the construction of a data base composed of indicators of performance and better practices about benchmarking. Along this study it was studied the models of electronic businesses, their importance and the forms to structure a data bank and the questions related to the security in systems of information. To finalize it was demonstrated in details how was the benchmarkingdata base constructed and the website of the project, named RVB - Benchmarking Virtual Net with the objective of enrich the repository model and the conceptual/theoretical work.
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Protótipo de um repositório de dados de Benchmarking / Prototype of a Benchmarking data repositoryJair Ferreira Lima Junior 20 December 2005 (has links)
Muitas organizações utilizam o processo de aprendizado e de melhoria baseado na comparação e na observação, denominado de benchmarking, mas poucas sabem de fato como fazê-lo corretamente. A referida técnica fornece um estímulo externo que encoraja um ambiente de aprendizado contínuo, tornando as empresas adaptáveis a novos conhecimentos. O benchmarking tornou-se um enfoque interessante quando se percebe que a melhoria dos processos de uma organização é fundamental para que ela alcance vantagem competitiva, e também quando se torna claro que essa melhoria pode vir da troca de aprendizado com outras corporações. Este trabalho apresenta um protótipo de um repositório de informações de benchmarking com acesso via internet, que fornece uma base de dados às organizações participantes, e tem como intuito facilitar a troca de experiências entre as mesmas. Para a efetivação do presente trabalho foram realizados estudos da literatura sobre benchmarking, levantamentos das bases de dados de benchmarking existentes no Brasil e no exterior, que servissem de guia para o desenvolvimento do modelo conceitual do repositório, além da construção de uma base de dados composta por indicadores de desempenho e melhores práticas sobre benchmarking. Ao longo desse trabalho, procurou-se estudar os modelos de negócios eletrônicos, a importância e as formas de estruturação de um banco de dados e as questões relativas à segurança em sistemas de informação. Finalizando, demonstrou-se em detalhes como foi construída a base de dados de benchmarking e o website do projeto, denominado de RVB - Rede Virtual de Benchmarking, com o objetivo de enriquecer o modelo do repositório e o trabalho teórico/conceitual. / Many organizations use a learning and improvement process based in the comparation and observation, named benchmarking, but few organizations really know how to make it correctly. The technical provides an external stimulus which encourages a continuum learning environment, making the companies adaptable to the new knowledge. Benchmarking became an interesting focus when we notice that the improvement of the processes of an organization is fundamental for it to reach a competitive advantage, and also when it\'s clear that this improvement can come from the exchange of learning with other corporations. This study presents a prototype of a repository of benchmarking information with access through internet, which provides a data base to the participant organizations, and with the aim to make easy the exchange of experiences among the organizations. To the effectiveness of this work, literature study about benchmarking were carried out, as well as data bases benchmarking existing in Brazil and abroad, which could serve as a guide to the development of a conceptual model of repository, besides the construction of a data base composed of indicators of performance and better practices about benchmarking. Along this study it was studied the models of electronic businesses, their importance and the forms to structure a data bank and the questions related to the security in systems of information. To finalize it was demonstrated in details how was the benchmarkingdata base constructed and the website of the project, named RVB - Benchmarking Virtual Net with the objective of enrich the repository model and the conceptual/theoretical work.
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Investigation of the Complexation and the Migration Behavior of Actinides and Non-Radioactive Substances with Humic Acids under Geogenic Conditions - Complexation of Humic Acids with Actindies in the Oxidation State IV Th, U, NpBernhard, Gert, Schmeide, Katja, Sachs, Susanne, Heise, Karl-Heinz, Geipel, Gerhard, Mibus, Jens, Krepelova, Adela, Brendler, Vinzenz January 2004 (has links)
Objective of this project was the study of basic interaction and migration processes of actinides in the environment in presence of humic acids (HA). To obtain more basic knowledge on these interaction processes synthetic HA with specific functional properties as well as 14C-labeled HA were synthesized and applied in comparison to the natural HA Aldrich. One focus of the work was on the synthesis of HA with distinct redox functionalities. The obtained synthetic products that are characterized by significantly higher Fe(III) redox capacities than Aldrich HA were applied to study the redox properties of HA and the redox stability of U(VI) humate complexes. It was confirmed that phenolic OH groups play an important role for the redox properties of HA. However, the results indicate that there are also other processes than the single oxidation of phenolic OH groups and/or other functional groups contributing to the redox behavior of HA. A first direct-spectroscopic proof for the reduction of U(VI) by synthetic HA with distinct redox functionality was obtained. The complexation behavior of synthetic and natural HA with actinides (Th, Np, Pu) was studied. Structural parameters of Pu(III), Th(IV), Np(IV) and Np(V) humates were determined by X-ray absorption spectroscopy (XAS). The results show that carboxylate groups dominate the interaction between HA and actinide ions. These are predominant monodentately bound. The influence of phenolic OH groups on the Np(V) complexation by HA was studied with modified HA (blocked phenolic OH groups). The blocking of phenolic OH groups induces a decrease of the number of maximal available complexing sites of HA, whereas complex stability constant and Np(V) near-neighbor surrounding are not affected. The effects of HA on the sorption and migration behavior of actinides was studied in batch and column experiments. Th(IV) sorption onto quartz and Np(V) sorption onto granite and its mineral constituents are affected by the pH value and the presence of HA. HA exhibits a significant influence on the transport of U(IV) and U(VI) in a laboratory quartz sand system. In order to provide the basis for a more reliable modeling of the actinide transport, the metal ion complexation with HA has to be integrated into existing geochemical speciation codes. Within this project the metal ion charge neutralization model was embedded into the geochemical modeling code EQ3/6. In addition to that, a digital data base was developed which covers HA complexation data basing on the charge neutralization model.
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Integriertes Management und Publikation von wissenschaftlichen Artikel, Software und Forschungsdaten am Helmholtz-Zentrum Dresden-Rossendorf (HZDR)Reschke, Edith, Konrad, Uwe 24 April 2020 (has links)
Mit dem Ziel, das Publizieren von Artikeln, Forschungsdaten und wissenschaftlicher Software gemäß den FAIR-Prinzipien zu unterstützen, wurde am HZDR ein integriertes Publikationsmanagement aufgebaut. Insbesondere Daten- und Softwarepublikationen erfordern die Entwicklung bedarfsgerechter organisatorischer und technischer Strukturen ergänzend zu bereits sehr gut funktionierenden Services im Publikationsmanagement. In der Zusammenarbeit mit Wissenschaftlern des HZDR und internationalen Partnern in ausgewählten Projekten wurde der Bedarf an Unterstützung im Forschungsdatenmanagement analysiert. Darauf aufbauend wurde schrittweise ein integriertes System von Infrastrukturen und Services entwickelt und bereitgestellt. In einer seit Mai 2018 gültigen Data Policy wurden die Rahmenbedingungen und Regelungen sowohl für wissenschaftliche Mitarbeiter als auch für externe Messgäste definiert. Im Vortrag wird auf die Erfahrungen im integrierten Publikationsmanagement für Artikel, Forschungsdaten und Forschungssoftware eingegangen und daraus resultierend werden die nächsten Aufgaben und Ziele entwickelt.
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