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 54 for “"CRN"”.
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The microstructure and properties of unbalanced magnetron sputtered CrN[x] coatings.
… because the process occurs under vacuum. CrN by PVD is one of the most promising PVD coatings as a candidate to replace eventually electroplated hard chromium. The growth characteristics of CrN coatings are less understood than those of TiN, the well-known PVD coating material. This thesis …
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Growth defects in CrN/NbN coatings deposited by HIPIMS/UBM techniques
… three sets of chromium nitride/niobium nitride (CrN/NbN) coatings were deposited using HIPIMS technique combined with unbalanced magnetron sputtering (UBM) by varying the deposition parameters, i.e. deposition time (t = 15 to 120 min), bias voltage (Ub = - 40 to - 150 V) and chamber pressure (P = …
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Analytical studies of corrosion and wear resistant CrN/NbN superlattice PVD coatings.
CrN/NbN nano-scale multilayered coatings have found use in a number of commercial applications where both wear and corrosion resistance are important factors that are required. CrN/NbN nano-scale multilayered coatings have been successfully deposited at temperatures as low as 250°C on 304 …
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Identification and characterisation of phytophthora capsici CRN effector proteins and their targets in planta
… cucumber.<br/>We identified and characterised CRN effectors in P. capsici. With 84 putative effectors composed of 29 different effector domains, the CRNs form a large and diverse class. CRN domain expansion is likely to have occurred in the peronosporales lineage of oomycetes (to which P. …
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Unveiling and exploiting <i>Phytophthora capsici</i> effectors and their host targets, with an emphasis on CRN effector proteins
… including cytoplasmic effectors from the CRN (CRinkling and Necrosis) family.<br/><br/>CRN effectors were first described in oomycetes by their capacity to induce host cell death. Nevertheless, despite recent efforts aiming to elucidate CRN virulence functions, the virulence relevance of …
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The Novel Function of Creatinine Acting as an Anti-Inflammatory Immunomodulator and Antioxidant
… workout. CR hydrolyzes into creatinine (CRN) rapidly. Previous work from the laboratory has shown in vitro that CRN has some immunomodulatory properties. To further delineate the immunomodulatory properties of CRN, we used real time-polymerase chain reaction and immunohistochemical …
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Algorithms for Reconstructing and Reasoning about Chemical Reaction Networks
… are modeled by chemical reaction networks (CRNs) which are typically simulated by converting to ordinary differential equations (ODEs), so that the goal is to closely reproduce the observed quantitative and qualitative behaviors of the modeled process. This thesis proposes two algorithmic …
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First principles-based atomistic modeling of the structural properties of silicon-oxide nanomaterials
We have developed continuous random network (CRN) model based Metropolis Monte Carlo simulation tools which are capable of predicting the structural properties of amorphous semiconductor and oxide materials as well as their interface. To bolster the reliability of the CRN model, we have developed …
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Security and Performance Engineering of Scalable Cognitive Radio Networks. Sensing, Performance and Security Modelling and Analysis of ’Optimal’ Trade-offs for Detection of Attacks and Congestion Control in Scalable Cognitive Radio Networks
A Cognitive Radio Network (CRN) is a technology that allows unlicensed users to utilise licensed spectrum by detecting an idle band through sensing. How- ever, most research studies on CRNs have been carried out without considering the impact of sensing on the performance and security of CRNs. …
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On-Metal Synthesis of Some Aryl Substituted Rhenium η<sup>5</sup> Cyclopenta[C] Pyridazyl Complexes
… SeveraI5,6-fused ring pyridazines (1,2-CsH3(CRNH)(CRN) have been synthesized and characterized. Additionally, pyridazyl complexes of rhenium were synthesized in three steps beginning from fulvenes 1,2-CsH3(COHR)(COR). On-Metal synthesis and characterization of (Re(CO)3 {1,2- CSH3(CRN)(CRN)}] …
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Computational Strategies for Faster Combustion Simulations with Detailed Chemistry
… the virtues of the chemical reactor network (CRN) approach are investigated and a new integration method is proposed to accelerate the calculation of species concentrations using reduced and detailed chemical mechanisms. Utilization of the CRN approach enabled the implementation of a detailed …
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Some Modeling and Optimization Problems in Cognitive Radio Ad Hoc Networks
… to model a cognitive radio ad hoc network (CRN) and optimize its performance. Such efforts are important not only for theoretical understanding, but also in that such results can be used as benchmarks for the design of distributed algorithms and protocols. However, due to some unique …
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The effects of native advertisement on the U.S. news industry/
… of the ads from Content Recommendation Networks (CRN) on the U.S. news industry, between March 2016 and February 2019. A CRN controls both the third-party ads and the house ads -- recommendations for news articles from the host publisher -- on a news publisher's website. During the 2016 …
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The Role of a Clinical Research Nurse: The Impact of Working Remotely
Clinical research nurses (CRNs) are an integral part of clinical trials and have a responsibility to care for research patients, collaborate within multidisciplinary teams, and manage protocol adherence. CRNs are often the hub of a multidisciplinary research team, and it is important to understand …
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An approach of compartmentalisation in development of non-isothermal chemical reactor network models for the high speed simulation of iso-octane combustion
… combustion systems. A chemical reactor network (CRN) is proposed for the simulation of the combustion of iso-octane. The compartmentalisation of a combusting system involves proposing a reactor network based on the flow fields predicted by computational fluid dynamics (CFD). The first step in the …
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Computational Study of Turbulent Combustion Systems and Global Reactor Networks
… dynamics (CFD) and chemical reactor network (CRN) methods. Both methods have been studied and analyzed as individual techniques as well as a coupled approach to pursue better understandings of the mechanisms and interactions between turbulent flow and mixing, ignition behavior and pollutant …
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Opportunistic Spectrum Utilization by Cognitive Radio Networks: Challenges and Solutions
Cognitive Radio Network (CRN) is an emerging paradigm that makes use of Dynamic Spectrum Access (DSA) to communicate opportunistically, in the un-licensed Industrial, Scientific and Medical bands or frequency bands otherwise licensed to incumbent users such as TV broadcast. Interest in the …
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Real-Time Prediction of Lean Blowout using Chemical Reactor Network
… the use of a real-time chemical reactor network (CRN) model to interpret the data as it is collected. The approach is tested using a laboratory jet-stirred reactor (JSR), operating on methane at near atmospheric pressure. The CRN represents the reactor as three perfectly stirred reactors (PSRs) in …
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Survivability Against Intelligent Adversary in Next-Generation Wireless Networks
… spectrum access-based Cognitive Radio Network (CRN) has been proposed. CRN allows secondary users (SUs) to use an unused licensed spectrum while the proprietary primary user (PU) is not transmitting. CRN being a next generation wireless network inherits all the challenges of wireless and brings …
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Towards realisation of spectrum sharing of cognitive radio networks
Cognitive radio networks (CRN) have emerged as a promising solution to spectrum shortcoming, thanks to Professor Mitola who coined Cognitive Radios. To enable efficient communications, CRNs need to avoid interference to both Primary (licensee) Users (PUs), and among themselves (called …
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