4,740 research outputs found

    Innovation Importance Across Dimensions for Business-to-Business and Business-to-Consumer Firms: A Case Study-Based Analysis

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    The majority of innovation research seeks to establish frameworks regarding the definition and identification of innovation; complementarily, there exists a dearth of research attempting to provide frameworks for evaluating the effectiveness of innovation within a firm. Adapting an existing “web” framework, we created the redesigned innovation “web” with redefined dimensions of innovation and a clarified rating system. After testing this redesign to ensure it produced consistent results across users, I worked to generate hypotheses, based on various case studies, about how the importance of innovation dimensions may differ across types of businesses. The research findings indicated that for business-to-business (B2B) firms, the Internal Processes & Capabilities and Product Mix dimensions are the most important, and that for business-to-consumer (B2C) firms, the Brand, Presence, and Customer Experience dimensions are the most important

    The use of alternative data models in data warehousing environments

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    Data Warehouses are increasing their data volume at an accelerated rate; high disk space consumption; slow query response time and complex database administration are common problems in these environments. The lack of a proper data model and an adequate architecture specifically targeted towards these environments are the root causes of these problems. Inefficient management of stored data includes duplicate values at column level and poor management of data sparsity which derives from a low data density, and affects the final size of Data Warehouses. It has been demonstrated that the Relational Model and Relational technology are not the best techniques for managing duplicates and data sparsity. The novelty of this research is to compare some data models considering their data density and their data sparsity management to optimise Data Warehouse environments. The Binary-Relational, the Associative/Triple Store and the Transrelational models have been investigated and based on the research results a novel Alternative Data Warehouse Reference architectural configuration has been defined. For the Transrelational model, no database implementation existed. Therefore it was necessary to develop an instantiation of it’s storage mechanism, and as far as could be determined this is the first public domain instantiation available of the storage mechanism for the Transrelational model

    Experiment 1.05: Energy

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    The conservation of energy for the case of a descending glider on an inclined air-track is examined.https://nsuworks.nova.edu/physics_labs/1004/thumbnail.jp

    A Burnup Credit Methodology for PWR Spent Fuel Pool

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    [ES] El concepto de dar crédito a la reducción de la reactividad por efecto del quemado del elemento combustible se denomina comúnmente Crédito al Quemado. En este trabajo se presenta una metodología en desarrollo para dar crédito al quemado. El objeto es determinar la curva de carga, que determina el lugar de almacenamiento del elemento en la piscina.[EN] The concept of taking credit for the reduction in reactivity due to fuel burnup is commonly referred to as Burnup Credit. In this work a methodology for giving Burnup Credit in development is presented. The final goal is to obtain the loading curve that determines the region on a spent fuel storage pool in which a fuel element must be stored.Faria De Castro, V. (2012). A Burnup Credit Methodology for PWR Spent Fuel Pool. http://hdl.handle.net/10251/17884Archivo delegad

    Experiment 2.10: Lenses

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    The focal lengths of converging and diverging lenses are determined.https://nsuworks.nova.edu/physics_labs/1019/thumbnail.jp

    Dual Drug Release of Triamterene and Aminophylline from Poly (N-Isopropylacrylamide) Hydrogels

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    We used temperature‐sensitive poly(N‐isopropylacrylamide) hydrogels as drug delivery systems, so changes in body temperature induced by pathogens could act like external stimuli to activate controlled release of the drugs incorporated in the hydrogel. In the distilled water combined release studies, we chose two model drugs: aminophylline and triamterene. The amount of drug released was measured by UV‐Vis spectroscopy following the evolution of the absorption peaks of aminophylline (271 nm) and triamterene (365 nm). The maximum release time was greater for triamterene than for aminophylline at 37 oC, so these time‐release profiles enabled the active ingredients to work over different periods of time. By increasing molar mass or solubility of the drug, we observed that the diffusion coefficient decreased. On the contrary, increasing hydrophobicity of the drug leads to a diffusion coefficient increase. The evolution of pore size distribution of hydrogels during loading and releasing was measured by quasi‐elastic light scattering and by environmental electronic scanning microscope. When loading and releasing the drugs, the pore size of the hydrogel decreased and increased again without reaching the initial pore size of the hydrogel, respectively. We observed that the greater the concentration of drug loaded into the hydrogel, the greater the reduction in pore size
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