Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 22 for “"Riss"”.
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An Information-Theoretic Examination of Next Generation Location Systems: The Role of LEOs, RISs and the Near Field
… satellites, reconfigurable intelligent surfaces (RISs), and near-field propagation—to enhance localization accuracy and resilience. LEO satellites, originally designed for communication, have recently seen widespread deployment through constellations such as Starlink, OneWeb, and Kuiper. Their …
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Insights into the clonal inventory of gene corrected human SCID-XI hematopoiesis
… such as chemotherapy. Altogether 148 RISs (97 appable RISs) could be identified in this patient. To address the question whether human gene coding regions are favored targets for retroviral integration, all the identified RISs were analyzed with relationship to human RefSeq genes. …
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Design of reconfigurable intelligent surface for 5G wireless communication system
… Reconfigurable Intelligent Surfaces (RISs) have emerged as a promising technology to address the challenges of wireless communication, offering unprecedented control over electromagnetic wave propagation in various environments. In addition, RISs can be fabricated with low cost and can …
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Percepción de coordinación entre niveles de atención y sus factores asociados en dos redes públicas de servicios de salud de Bogotá, 2015
… de Redes Integradas de Servicios de Salud (RISS) para alcanzar calidad y eficiencia de la atención. En Colombia ha sido poco estudiada. El objetivo es analizar la percepción de médicos con relación a la coordinación entre niveles de atención y sus factores asociados en dos RISS públicas de …
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Advancing RIS Optimization: From Ideal to Realistic Models
… ability of reconfigurable intelligent surfaces (RISs) to control the propagation environment in their vicinity, they have emerged as an appealing solution to enhance the performance of next-generation wireless networks. These surfaces consist of low-cost, energy-efficient reflecting elements that …
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Photogrammetrische Erfassung der Verformungs- und Rissentwicklung bei baumechanischen Untersuchungen
… der kontinuierlichen Erfassung von Verformungs-, Riss- und Schädigungsentwicklungen an Objektoberflächen stellen für viele experimentelle Untersuchungen im Bauingenieurwesen eine signifikante Qualitätssteigerung dar, die mit klassischen Messtechniken – wie z. B. Dehnmessstreifen oder induktiven …
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Modeling of realistic microstructures on the basis of quantitative mineralogical analyses
… brechen, ist es wahrscheinlich, dass sich ein Riss durch einen Stein dieses Materials durch die schwächeren Körner ausbreitet. Tatsächlich ist dies eine wichtige Eigenschaft für die Erzaufbereitung. Um wertvolle Mineralien aus einem Erz zu gewinnen, ist es wichtig, sie aus dem kommerziell …
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Assessing the potential for Zn limitation of marine primary production: proteomic characterization of the low Zn stress response in marine diatoms
Marine diatoms are abundant photoautotrophic algae that contribute significantly to photosynthetic carbon fixation and export throughout the oceans. Zinc is an important micronutrient in algal metabolism, with scarce dissolved concentrations in the upper euphotic zone reflecting high biological …
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Myndlist sem mál : tilraun með námskrárútfærslu
… sem ég tók, hvernig gekk, vangaveltur mínar, riss og drög að teikningum sem áttu að fara í heftið. Einnig sendi ég eintök til ákveðna skóla og gerði spurningakönnun um viðhorf þeirra til heftisins. Að lokum, greindi ég svör þeirra, sem hjálpaði mér að bæta endanlega útgáfu heftisins. …
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A Systematic Review and Meta-analysis of the Effects of Exercise for Fall Prevention in the Elderly
… EmBase, CINAHL, KoreaMed, KmBase, KISS, NDSL, RISS, 국회도서관 데이터베이스를 이용하여 2012년 10월 15일부터 11월 6일에 검색하였고, 영어와 한국어로 발표된 연구로 제한하였다. 검색된 5,121편의 문헌 중 중복으로 검색되었거나 중복 게재된 논문을 제거한 후 제목, 초록, 원문 검토를 통해 체계적 문헌고찰을 위한 논문으로 13편을 선정한 후 질평가를 시행하였다. 체계적 문헌고찰에 포함된 13편의 논문 중 메타분석에 포함된 논문은 사후의 평균과 표준편차 값을 구할 수 없는 논문 …
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Untersuchungen zur Verbundverankerung textilbewehrter Feinbetonverstärkungsschichten für Betonbauteile
… und Fernerkundung wurde ein neues, riss-bildorientiertes Messverfahren entwickelt. Anhand eines Beispielversuchs wird diese neu entwi-ckelte Methode vorgestellt und verbleibende Problempunkte diskutiert. Die Ergebnisse dieser Messungen haben gezeigt, dass es mit dem derzeitigen …
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Purification of Calmodulin and Quantification of Its Levels in Mammary Tissue and Isolated Cells During Pregnancy and Lactation (Acini, Secretory, Myoepithelial)
Calmodulin has been purified to apparent homogeneity from lactating bovine mammary tissue. Calmodulin was purified by heat treatment and sequential anion exchange and gel exclusion chromatographies. The molecular weight of the purified protein was estimated by gel electrophoresis to be 18,000 …
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Assessing the potential for zinc limitation of marine primary production: proteomic characterization of the low zinc stress response in marine diatoms
Marine diatoms are abundant photoautotrophic algae that contribute significantly to photosynthetic carbon fixation and export throughout the oceans. Zinc is an important micronutrient in algal metabolism, with scarce dissolved concentrations in the upper euphotic zone reflecting high biological …
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Hybrid classical-quantum optimization algorithms in electromagnetic applications
… focus on reconfigurable intelligent surfaces (RISs) and antenna array synthesis. A broad class of electromagnetic tasks—including discrete-phase RIS configuration, antenna beamforming and null steering for multi-user links and wireless power transfer, and planar or conformal array synthesis …
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Verbund zwischen Dentin und Befestigungskomposit in Abhängigkeit vom Härtungsmodus des Dentinhaftvermittlers
… kam der Versagenstyp vor, bei dem sich der Riss quer durch das Komposit zieht und dieses in einen am Dentin und einen am Inlay haftenden Teil trennt (fast 1/3 der Fälle). Etwa 1/10 der Proben wies ein adhäsives Versagen zwischen Inlay und Komposit auf. Wurde das Befestigungskomposit …
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Degradationsmodi der Oberseitenkontaktierung von SiC-Leistungshalbleitern
… Spannungen zum Bonddraht-Lift-off, wobei Risse am Bondfuß begannen und sich entlang des Bondinterfaces ausbreiteten, aufgrund des Wärmeausdehnungskoeffizienten (CTE)-Mismatchs zwischen Aluminium und SiC. Mikroskopische Analysen zeigten Rekristallisation und Kornvergröberung, die die …
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ML-Based Optimization of Large-Scale Systems: Case Study in Smart Microgrids and 5G RAN
… such as reconfigurable intelligent surfaces (RISs), requires more efficient algorithms for network optimization. Consequently, intelligent management schemes are crucial to schedule network resources. In this work, we aim to develop state-of-the-art ML techniques to improve the performance of …
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Cross-layer energy optimisation of routing protocols in wireless sensor networks
… cycling of nodes. The second method - called RISS (Routing Integrated Synchronization Service) - integrates time synchronization into the network layer and is designed to work well in flat, non-hierarchical network topologies. The third method - called SCALE (Smart Clustering Adapted LEACH) - …
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Building the Foundations and Experiences of 6G and Beyond Networks: A Confluence of THz Systems, Extended Reality (XR), and AI-Native Semantic Communications
… exploits reconfigurable intelligent surfaces (RISs) is proposed so as to optimize the instantaneous reliability. Furthermore, the analytical results are extended to investigate the uplink freshness of augmented reality (AR) services. Here, a novel ruin-based performance is conducted that …
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