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PhD defense

Transcript: Relationship Between Laboratory and Field Tests in Service Life Assessment of Wood-based Materials Davor Kržišnik Introduction Introduction Laboratory vs. Field Tests Laboratory vs. Field Tests Service Life Assessment Service Life Assessment Functional Service Life Functional Service Life Exposure dose (DEd) ≤ Resistance dose (DRd) DRd = Dcrit × kwa × kinh Aesthetic Service Life Aesthetic Service Life The criterion of service life is subjective, depending on different criteria, such as colour stability of surfaces, cracks, dyeing due to the action of fungi and molds ... Wood-based Materials Wood-based materials Relationship Relationship Exposure position of wood and wood-based materials has a significant influence on moisture content. Hypothesis number 1 Publications Materials and Methods Materials and Methods Materials Methods Methods North North facing façade South South facing façade East East facing façade West West facing façade Decking Decking Stand Stand Results Conclusion Exposure position of wood and wood-based materials has a significant influence on moisture content. Improperly performed impregnation of wood with biocides does not significantly improve the service life of wood in contact and above ground exposure. Hypothesis number 2 Publications Materials and methods Materials and Methods Franja partisan hospital 2007 2012 Assessment of the decay Resistograph measurements and Retention of a wood preservative analysis Continuous monitoring of T and MC Results Results Assessment of the decay Monitoring Conclusion Improperly performed impregnation of wood with biocides does not significantly improve the service life of wood in contact and above ground exposure. Greying and blue staining of the wood surface is a continuous cyclical process. Hypothesis number 3 Publications Materials and methods Materials and methods Materials Laboratory test EN 152 test Artificial weathering In-service test Colour measurements Results Results Laboratory test In-service test In-service test Conclusion Greying and blue staining of the wood surface is a continuous cyclical process. Results obtained from field and laboratory tests are not easily comparable to one another. Hypothesis number 4 Publications Materials and methods Materials Methods Results 1st year 2nd year 3rd year 4th year 1st year 2nd year 3rd year 4th year 60 % RH prEN 16818 ±0.7000 - ±0.7999 ±0.8000 - ±0.8999 ±0.9000 - ±1.0000 ±0.7000 - ±0.7999 ±0.8000 - ±0.8999 ±0.9000 - ±1.0000 ±0.7000 - ±0.7999 ±0.8000 - ±0.8999 ±0.9000 - ±1.0000 Conclusion Results obtained from field and laboratory tests are not easily comparable to one another. Summary Summary H1: Exposure position of wood and wood-based materials has a significant influence on moisture content. H2: Improperly performed impregnation of wood with biocides does not significantly improve the service life of wood in contact and above ground exposure. H3: Greying and blue staining of the wood surface is a continuous cyclical process. H4: Results obtained from field and laboratory tests are not easily comparable to one another. Future work Future work Aesthetic Service Life * Colour modeling as a function of a climatic exposure Future work * Different laboratory tests * Different approach for correlation calculations Future work Functional Service Life

PhD Defense

Transcript: High-Dimensional Inference and Uncertainty Quantification for Object-oriented Variable Selection, Clustering and Object-oriented Analysis Approximate Bayesian Methods with Bayesian and Approximate Bayesian Methods Variable Selection Dynamic Feature Partitioning Big Variable Selection Regression Problems High-Dimensionality Big Data Streaming Data Fast Inference Quick Inferences as new data arrives Parallel computation DFP Motivation Motivation Previous Work Previous Work General Method DFP Dynamically Partition the parameters at every time point. Compute parameter estimators. Based on the partition and parameter estimators, build a pseudo-posterior distribution for posterior computation. Notation Notation From MCMC to DFP Evolution Simulations Simulations Bayesian Lasso Bayesian Lasso Partition Method Partition Results Results Spike & Lasso Spike & Lasso Partition Partition Results Bayesian Object Oriented Model BOOM High-Dimension. Multiple Objects. Objects with a structure. Joint Variable Selection. Motivation Motivation Regress scores of language dysfunction to multiple brain objects. Grey Matter map (GM). Brain connectivity network. Find Regions of Interest (ROIs). Previous Work Previous Work Model Model Simulations Simulation Settings Settings Simulation Results Results Bayesian Tensor Covariance Clustering BTC High-Dimensional, where the curse of dimensionality is instead a blessing. Clustering focus in difference in the covariance structure instead of the location. Small number of observations. Motivation Motivation Previous Work Previous Work Method Method A two step approach: First Step: Transform the observations. Second Step: Cluster the transformed objects. Picture Transformation Clustering Model Clustering Simulation Cases Cases Results 3 Competitors DEEM DTC Oracle EEG Data EEG Data

PhD Defense Presentation

Transcript: Follow-Up Opportunities A Q&A session can lead to potential collaboration or mentorship opportunities. Networking during this time can create pathways for future research projects or academic partnerships. Discussion Points Ending on a Strong Note Feedback Mechanism Encouraging discussion points during the Q&A can reveal the audience's perspectives and foster a constructive debate around the research. This interaction can elucidate further areas for exploration and collaboration post-defense. Concluding the Q&A with appreciative remarks emphasizes the importance of audience engagement. Acknowledging their contributions fosters a welcoming atmosphere and encourages ongoing dialogues. Feedback gathered from the audience can provide invaluable insights and perspectives. This feedback circle can inform future research directions and enhance academic rigor while also engaging the audience effectively. Audience Queries Clarifications on Research Audience engagement is vital during research presentations. Inviting questions allows for real-time clarification and fosters an interactive environment where viewers can express their insights or express confusion over specific components of the research. Addressing inquiries about the research methodology and findings can enhance comprehension. Responding clearly to misinterpretations or complex analyses demonstrates authority and builds credibility in your research work. Questions & Answers Engaging with the audience during the Q&A session is crucial for clarifying research findings and fostering deeper understanding. It provides a platform for real-time discourse, enhancing the overall defense experience. Limitations of the Study Implications of Findings Every study has its constraints. This research faced limitations due to sample size and geographical focus, which may affect generalizability. Acknowledging these constraints is crucial for setting realistic expectations regarding the applicability of results across diverse contexts. The research findings significantly enhance understanding of the subject area, suggesting practical applications in real-world contexts. They inform policy development and contribute to ongoing debates in the field, highlighting the relevance and impact of the study within academia and industry. Future Research Directions Future research should aim to expand the sample size and diversify participant demographics to enhance generalizability. Additionally, longitudinal studies could provide deeper insights into trends over time, contributing to a more robust understanding of the topic. Discussion This section delves into the implications of the research findings, acknowledges study limitations, and suggests directions for future research. Each element plays a vital role in shaping the broader understanding of the topic. Summary of Contributions The research presented valuable insights into [specific area]. Key contributions include [specific findings], which advance current understanding and offer a foundation for future studies. These contributions have the potential to influence both academic research and practical applications. Final Thoughts In reflecting on the research journey, it is evident that [specific implications] are critical for the field. The findings underscore the importance of [specific principle], suggesting pathways for further inquiry and development. Acknowledgments Conclusion Gratitude is extended to [specific individuals, organizations, or committees], whose support and collaboration were invaluable. Their contributions significantly enriched the research experience and ensured its success. This conclusion synthesizes the key contributions of the research while offering final insights and acknowledgments. It highlights the study's impact and the importance of collaboration throughout the process. Comparisons with Existing Literature Findings The findings align with previous studies emphasizing the importance of methodology in enhancing efficiency. However, this research extends existing literature by demonstrating specific quantitative benefits that had not been previously documented, setting a new benchmark. This section outlines key research results, their interpretations, and how they relate to existing studies, providing a clear picture of the research impact. Key Results The research yielded significant findings, including a 40% increase in efficiency attributable to the implemented methodology. Additionally, survey responses indicated a heightened satisfaction rate of 85% among participants, illustrating the positive reception of the research outcomes. Data Interpretation The data suggests a strong correlation between the independent and dependent variables, supporting the hypothesis. Notably, the regression analysis indicated an R-squared value of 0.78, demonstrating a robust model fit and the predictive power of the variables. Research Questions Theoretical Framework The theoretical framework outlines the

PhD Defense Presentation

Transcript: PhD Defense Presentation Advancements in Neuroscience Research Neurofeedback Applications Impactful Insights Utilizing real-time neuroimaging feedback for therapeutic interventions and cognitive enhancement. Highlighting the potential of neurofeedback in optimizing brain function and performance. Demonstrating the implications of the findings on advancing neuroscience theories and clinical applications. Open Floor for Questions Impact of Neurodegeneration Data Collection Techniques Q&A Session: Engaging Audience Groundbreaking Discoveries in Neuroscience fMRI: Functional Magnetic Resonance Imaging Advanced Signal Processing The research highlighted the grave consequences of neurodegeneration on cognitive functions and behavior, emphasizing the urgent need for novel treatment strategies and interventions. Audience participation is key for a dynamic discussion Key Discoveries Utilizing EEG and fMRI for Brain Imaging Mapping brain activity by detecting changes in blood flow. Offers detailed spatial information about brain regions involved in specific tasks. Applying sophisticated algorithms to enhance signal clarity and resolution in neuroimaging. Illustrating the role of signal processing in extracting valuable information from brain scans. Key Findings Recap Highlighting the significant findings in neural studies, shedding light on brain function and behavior correlations. Future Trends in Data Collection EEG: Electroencephalography Data Quality Assurance Neuroimaging Advancements Discussion and Debate Neural Plasticity Mechanisms Exploring innovations like wearable EEG devices and real-time fMRI for enhanced data collection. Discussing the potential of emerging technologies in advancing neuroimaging research. Implementing rigorous quality checks to maintain accuracy and reliability of neuroimaging data. Addressing common challenges and best practices in data validation. Measuring electrical activity in the brain through electrodes on the scalp. Provides insights into brain functions in real-time. Combining EEG and fMRI for comprehensive brain analysis. Enables a holistic understanding of brain function and connectivity. Interactive session where questions are welcomed Recent research revealed new insights into brain plasticity and neurodegenerative diseases. Case Studies in Neuroscience Ethics in Data Collection Neuroscience studies uncovered the intricate mechanisms behind neural plasticity, showcasing the brain's adaptive capabilities in response to stimuli and experiences. Engage in critical discourse to deepen understanding Real-world applications of EEG and fMRI in studying brain disorders. Showcases the impact of advanced imaging techniques in clinical settings. Ensuring participant confidentiality and informed consent in neuroimaging studies. Discussing ethical considerations and protocols in research practices. Summarizing the groundbreaking discoveries from the research journey in neuroscience. Big Data Analysis Processing and interpretation of large-scale neuroimaging data. Utilizing machine learning algorithms to extract meaningful insights from complex brain scans. Interpretation of Results Exploring the Background of Neuroscience Research Key Studies in Neuroscience Applying Research in Clinical Practice Impact on Patient Care Nobel Prize-Winning Discoveries Implementing findings from neuroscience research into clinical settings can revolutionize treatments and improve patient outcomes. Analyzing the implications of research findings to unravel the mysteries of the brain. Exploring groundbreaking studies that have shaped the field of neuroscience. Neuroscience research has a rich history and has significantly contributed to our understanding of the brain and behavior. Improving treatment efficacy and personalizing interventions based on neuroscientific insights to enhance patient care outcomes and quality of life. Highlighting Nobel laureates in neuroscience and their pioneering contributions to the field. Implementation Strategies Revealing Neural Pathways History of Neuroscience Studies Cognitive Function Insights Revolutionary Brain Mapping Techniques Significance of Current Neuroscientific Endeavors Developing structured protocols and guidelines for translating research discoveries into practical applications within healthcare institutions. Exploring how the research findings illuminate the intricate neural pathways in the brain. Neuroscience has evolved from classical theories to advanced technological approaches, shaping our comprehension of the intricate brain functions. Unpacking the correlation between research outcomes and cognitive functions for a deeper understanding. Exploring advanced brain mapping methods and their impact on understanding neural pathways. Modern neuroscience research aims to unravel complex brain mechanisms, offering insights into neurological disorders and cognitive processes.

PhD defense

Transcript: Lateral Steel Confined Models FRP Confined Models Generalized Moment of Area Theorem Eccentricity Overview Eccentric Model Based on Mander Equations Eccentric Model Based on Lam and Teng Equations Finite Layer Approach FRP Wrapped Circular Columns Results Results Results Confined Analysis Muguruma et al (1980) Unconfined Analysis Park et al (1987) Samaan et al (1998) Results Questions? Conclusions Wang et al (1978) Mander et al (1988) Kent and Park (1971) Saatcioglu and Razvi (1992) Cheng et al (2002) Hayder Rasheed Asad Esmaeily Hani Melhem Sutton Stephens Brett DePaola Kdot - financial sponser Blume et al (1961) Cusson and Paultre (1995) Mills and Zimmerman (1970) BEHAVIOR OF CONCRETE COLUMNS UNDER VARIOUS CONFINEMENT EFFECTS Teng et al (2009) Recommendations Harajili (2006) Young et al (1987) Soliman and Yu (1967) Generalized Moment of Area Theorem Fujii et al (1988) Sheikh and Uzumeri et al (1982) Attard and Setunge (1996) Chan (1955) ` Harries and Kharrel (2002) Toutanji (1999) Lam and Teng Model Miyauchi et al (1997) Vallenas et al (1977) Acknowledgements Lam and Teng (2003) Ahmed Abd El Fattah Mander Model Campione and Miraglia (2003)

PhD Defense Presentation

Transcript: PhD Defense Presentation Pre-treatment Methods for Biomass Pre-treatment is essential for breaking down the complex structure of biomass, making it more amenable to conversion. Common methods include physical (e.g., milling), chemical (e.g., acid or alkaline treatment), and biological processes, each influencing product yield and processing time. Biomass Characteristics Carbon Cryogel for Biomass Conversion to Levulinic Acid via Microwave Chemical Composition of Biomass Understanding the types and properties of biomass is crucial for optimizing its conversion to valuable chemicals like levulinic acid. This section covers the classification, chemical composition, and necessary pre-treatment methods to enhance biomass conversion efficiency. Biomass is mainly composed of cellulose, hemicellulose, and lignin, which together contribute to its structural integrity. The chemical composition determines its reactivity during conversion processes, with varying ratios affecting the efficiency of levulinic acid production. Types of Biomass Suitable for Conversion Biomass can be categorized into primary sources such as agricultural residues (e.g., corn stover, sugarcane bagasse) and secondary sources like waste materials (e.g., municipal solid waste, forestry by-products). Selecting appropriate types impacts conversion efficiency and product yield significantly. Experimental Results Overview The microwave-assisted conversion yielded up to 80% levulinic acid from selected biomass, demonstrating improved efficiency and shorter processing times compared to traditional methods. Data indicate optimal conditions where carbon cryogel facilitates enhanced reaction kinetics, leading to a substantial increase in product yield. Chemical Pathway to Levulinic Acid The conversion of biomass to levulinic acid typically follows a hydrolysis step, breaking down polysaccharides to sugars, followed by dehydration and rearrangement. The microwave-assisted method significantly accelerates these reactions, leading to higher yields and reduced processing times. Environmental Benefits Utilizing carbon cryogel in biomass conversion significantly reduces waste and promotes circular economy principles. The process potentially lowers greenhouse gas emissions while converting agricultural waste into viable products, aligning with sustainable development goals. Yield Optimization Strategies Role of Carbon Cryogel Production of Levulinic Acid To maximize levulinic acid yields, several strategies can be employed, including optimizing microwave power and reaction time, as well as adjusting the percentage of water in the biomass mixture. Additionally, the choice of biomass significantly impacts the efficiency of the conversion process. Carbon cryogel serves as a catalyst support in the microwave-assisted conversion process. Its unique porous structure increases surface area, facilitating greater interaction with reactants, which enhances the overall reaction efficiency and yield of levulinic acid. Levulinic acid production involves converting biomass through a defined chemical pathway, utilizing both microwave technology and carbon cryogel to enhance efficiency. This process not only promotes sustainability but also unlocks potential economic benefits in biorefining. Economic Benefits Results and Implications Implementing microwave-assisted biomass conversion can lead to cost reductions in raw materials and energy consumption. The ability to recycle waste biomass into valuable levulinic acid opens new market opportunities, enhancing economic viability for farmers and industries alike. The results from the biomass conversion using carbon cryogel highlight significant yields of levulinic acid, showcasing the effectiveness of microwave-assisted processes. These findings not only reinforce the applicability of this innovative technology in carbon waste management but also present promising avenues for sustainable biomass utilization. Applications in Industry Future Directions in Research The application of carbon cryogel in biomass conversion extends to various sectors, including biofuels, food preservation, and pharmaceuticals. Leveraging these advancements opens pathways for sustainable industrial practices with reduced environmental footprint. Future research should focus on optimizing reaction parameters and scaling the microwave-assisted processes for commercial applications. Investigating alternative feedstocks and refining carbon cryogel formulations will further enhance yield and economic feasibility. Fundamentals of Microwave Technology Definition of Carbon Cryogel Microwave technology operates by generating electromagnetic waves in the frequency range of 300 MHz to 300 GHz. These waves agitate polar molecules within the biomass, leading to rapid heating and facilitating chemical reactions necessary for conversion processes. Microwave Assisted Conversion Carbon cryogel is a porous carbon material synthesized from various polymeric precursors. Its

PhD Defense

Transcript: Sustianble Innovations in Advanced Functional Materials for Eco-friendly Sensors & Actuators Presenting Research Findings and Contributions Conclusions This research concludes that X not only influences Y but also shapes the broader landscape of A. These insights set a foundation for redefining existing theories and practices. Future Research Directions Implications of Research Theoretical Framework This research adopts a mixed-method approach utilizing Constructivist and Social Learning frameworks. By integrating these theories, the study aims to provide a comprehensive understanding of learning dynamics in diverse environments. Future studies should focus on exploring the long-term effects of X on Y. Additionally, investigating Z in different contexts could provide richer insights into its overarching impact across various settings. The implications of the findings suggest a paradigm shift in how we understand subject A. Practitioners can leverage these insights to implement more effective strategies in their fields. Key Findings Background This section examines foundational theories and recent studies that frame the current research. Understanding these elements highlights the evolution of thought in this field and the significance of addressing overlooked areas. The research reveals significant patterns in data indicating a direct correlation between variables X and Y. These findings highlight the influence of Z, demonstrating its crucial role in the studied phenomena. Results and Conclusion Key Theories and Concepts Gaps in Existing Literature Upon review, several gaps emerge, including limited exploration of online learning's impact on student engagement. Many studies neglect the influence of cultural context, creating a need for more diverse perspectives in this area. Foundational theories such as Constructivism and Social Learning Theory are critical to this study. These concepts provide a lens to understand how knowledge is constructed through interaction and experience, influencing research approaches in this domain. Previous Research Findings Studies indicate that collaborative learning significantly enhances critical thinking skills. Research by Smith et al. (2020) highlights the impact of group dynamics on learning outcomes, shedding light on effective educational strategies. This section synthesizes critical research findings, discusses their implications, and highlights directions for future studies. It offers insights into how the results contribute to the existing body of knowledge. Overview of Research Topic The research focuses on [specific topic], analyzing its impact on [related field]. This topic addresses critical questions regarding [specific aspects or variables], forming a foundation for further academic inquiry. Importance of Study Future Work Introduction Understanding this research is vital as it contributes to [specific knowledge gap or societal need]. The findings may influence [industry practices, policy-making, etc.], highlighting the relevance of the study. This section delves into the essence of the research topic, articulating its significance within the broader academic landscape. Understanding the importance of this study sets the stage for the detailed insights to follow. Structure of Presentation Research Objectives The presentation will unfold as follows: 1) Introduction, 2) Background, 3) Research Methodology, 4) Results, and 5) Conclusion. Each section builds the narrative leading to the final conclusions. The primary objectives of this study include: 1) To evaluate [specific objective 1], 2) To analyze [specific objective 2], and 3) To provide insights into [specific objective 3], driving the research forward. Research Design Data Collection Methods Data was collected through surveys and in-depth interviews, engaging with a diverse participant pool to gather varied perspectives. The combination of methods ensures a richer dataset for analysis. A mixed-methods approach was used, integrating qualitative and quantitative research to provide a comprehensive understanding of the study topic. This design allows for triangulation of data enhancing validity and reliability. Research Methodology Data Analysis Techniques This section outlines the systematic approaches employed in this research, emphasizing the structured design, meticulous data collection, robust analysis techniques, and ethical practices that ensure the credibility and integrity of the findings. Quantitative data was analyzed using statistical software, employing descriptive and inferential statistics to interpret results accurately. Qualitative data underwent thematic analysis to identify key patterns. Ethical Considerations Ethical approval was obtained prior to study initiation, ensuring informed consent from participants and confidentiality of data. The research adhered to guidelines to uphold integrity and ethics throughout.

PhD Defense Presentation

Transcript: PhD Defense Presentation Defending Research Findings Title Title Discussion Methodology Analysis Subtitle Put something fun or important here Subtitle Data Collection Give a short description of this image. Write something high-impact about this photo Interpret and analyze the implications of the research outcomes. Describe the research methods and data sources used. Wrap up your presentation quickly: Summarize each point you made Give quick call-backs so your audience remembers Make it clear this is the end Results Conclusion Title Introduction Key Findings Subtitle Research Overview Final Remarks Follow up with another point Summarize the research findings and their significance in the field. Present the main results and discoveries from the research. Provide any important context here Conclude the presentation with key takeaways and future directions. Keep your words short and punchy so your audience stays focused. You can add imagery to keep their attention where you want it.

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