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Blockchain-based refurbishment certification system for enhancing the circular economy

Blockchain(Research and Applications) 2024年第1期5卷 85-96页

作者： Cristina Regueiro Aitor Gómez-Goiri Nuno Pedrosa Christos Semertzidis Eider Iturbe jason Mansell TECNALIA Research&Innovation Basque Research and Technology Alliance(BRTA)Parque Científico y Tecnológico de Bizkaia48160Derio BizkaiaSpain Projecto Desenvolvimento Manutenção Formação e Consultadoria Rua Fradesso da Silveira n.41B1300-609LisbonPortugal

As the global population continues to grow,the enormous stress on our environment and resources is becoming impossible to ignore.A focus on producing and consuming as cheaply as possible has created an economy in which objects are briefly used and then discarded as waste,featuring a linear lifecycle that creates an enormous amount of *** alternative to the linear economy“take-make-waste”is called the“circular economy”.Under this paradigm,materials are recycled to build new products or components that are designed and built to promote their reuse and *** assures the continuous(re-)exploitation of existing resources,reducing the extraction of new raw ***,customers often reject these reused or refurbished products under the suspicion that they do not meet the same usability,safety,or performance levels of new *** this sense,trustworthy records of historical details of refurbished products could increase consumers’confidence in products and components of the“circular economy”,prioritizing trustworthiness,reliability,and *** work presents a new certification tool based on blockchain technology to guarantee trusted,accurate,transparent,and traceable lifecycle information of products and their components and to generate trustworthy certificates to probe refurbished product historical *** tool aims to enhance refurbished product visibility by creating the basis for making the circular economy a reality in any domain.

关键词： Blockchain Traceability Lifecycle Product lifecycle management(PLM) Refurbishment Certification Circular economy

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The Economics of Competing Water Uses under a FERC Licensing Agreement: Estimation of Property Value, Recreation, and Hydroelectric Impacts

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Journal of Water Resource and Protection 2024年第6期16卷 414-428页

作者： Matthew Bingham jason Kinnell Veritas Economics Cary USA

Reservoirs provide a variety of services with economic values across multiple sectors. As demands for reservoir services continue to grow and precipitation patterns evolve, it becomes ever more important to consider the integrated suite of values and tradeoffs that attend changes in water uses and availability. Section 316 (b) of the Clean Water Act requires that owners of certain water cooled power plants evaluate technologies and operational measures that can reduce their impacts to aquatic organisms. The studies must discuss the social costs and benefits of alternative technologies including cooling towers (79 Fed. Reg. 158, 48300 - 48439). Cooling towers achieve their effect through evaporation. This manuscript estimates the property value, recreation, and hydroelectric generation impacts that could result from the evaporative water loss associated with installing cooling towers at the McGuire Nuclear Generating Station (McGuire) located on Lake Norman, North Carolina. Although this study specifically evaluates the effects of evaporative water loss from cooling towers, its methods are applicable to estimating the economic benefits and costs of a new water user or reduced water input in any complex reservoir system that supports steam electric generation, hydroelectric generation, residential properties, recreation, irrigation, and municipal water use.

关键词： Property Value FERC Hydroelectric Recreation Water Levels

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Performance of generative pre-trained transformers (GPTs) in Certification Examination of the College of Family Physicians of Canada

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Family Medicine and Community Health 2024年第S1期12卷 12-19页

作者： Mehdi Mousavi Shabnam Shafiee jason M Harley Jackie Chi Kit Cheung Samira Abbasgholizadeh Rahimi Department of Family Medicine Faculty of MedicineUniversity of SaskatchewanNipawinSaskatchewanCanada Department of Family Medicine Saskatchewan Health AuthorityRiverside Health ComplexTurtlefordSaskatchewanCanada Department of Surgery Faculty of Medicine and Health SciencesMcGill UniversityMontrealQuebecCanada Research Institute of the McGill University Health Centre MontrealQuebecCanada Institute for Health Sciences Education Faculty of Medicine and Health SciencesMcGill UniversityMontrealQuebecCanada McGill University School of Computer Science MontrealQuebecCanada CIFAR AI Chair Mila-Quebec AI InstituteMontrealQuebecCanada Department of Family Medicine McGill UniversityMontrealQuebecCanada Mila Quebec AI-Institute MontrealQuebecCanada Faculty of Dentistry Medicine and Oral Health Sciences McGill UniversityMontrealQuebecCanada Lady Davis Institute for Medical Research Jewish General HospitalMontrealQuebecCanada

Introduction The application of large language models such as generative pre-trained transformers(GPTs)has been promising in medical education,and its performance has been tested for different medical *** study aims to assess the performance of GPTs in responding to a set of sample questions of short-answer management problems(SAMPs)from the certification exam of the College of Family Physicians of Canada(CFPC).Method Between August 8th and 25th,2023,we used GPT-3.5 and GPT-4 in five rounds to answer a sample of 77 SAMPs questions from the CFPC *** independent certified family physician reviewers scored AI-generated responses twice:first,according to the CFPC answer key(ie,CFPC score),and second,based on their knowledge and other references(ie,Reviews’score).An ordinal logistic generalised estimating equations(GEE)model was applied to analyse repeated measures across the five *** According to the CFPC answer key,607(73.6%)lines of answers by GPT-3.5 and 691(81%)by GPT-4 were deemed ***’s scoring suggested that about 84%of the lines of answers provided by GPT-3.5 and 93%of GPT-4 were *** GEE analysis confirmed that over five rounds,the likelihood of achieving a higher CFPC Score Percentage for GPT-4 was 2.31 times more than GPT-3.5(OR:2.31;95%CI:1.53 to 3.47;p<0.001).Similarly,the Reviewers’Score percentage for responses provided by GPT-4 over 5 rounds were 2.23 times more likely to exceed those of GPT-3.5(OR:2.23;95%CI:1.22 to 4.06;p=0.009).Running the GPTs after a one week interval,regeneration of the prompt or using or not using the prompt did not significantly change the CFPC score *** In our study,we used GPT-3.5 and GPT-4 to answer complex,open-ended sample questions of the CFPC exam and showed that more than 70%of the answers were accurate,and GPT-4 outperformed GPT-3.5 in responding to the *** language models such as GPTs seem promising for assisting candidates of the CFPC exam by pr

关键词： Canada prompt education

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Synthesis,disorder and Ising anisotropy in a new spin liquid candidate PrMgAl_(11)O_(19)

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Materials Futures 2024年第3期3卷 148-156页

作者： Yantao Cao Huanpeng Bu Zhendong Fu Jinkui Zhao jason S Gardner Zhongwen Ouyang Zhaoming Tian Zhiwei Li Hanjie Guo Key Lab for Magnetism and Magnetic Materials of the Ministry of Education Lanzhou UniversityLanzhou 730000People’s Republic of China Songshan Lake Materials Laboratory DongguanGuangdong 523808People’s Republic of China Institute of Physics Chinese Academy of SciencesBeijing 100190People’s Republic of China Materials Science and Technology Division Oak Ridge National LaboratoryOak RidgeTN 37831United States of America School of Physics and Wuhan National High Magnetic Field Center Huazhong University of Science and TechnologyWuhan 430074People’s Republic of China

Here we report the successful synthesis of large single crystals of triangular frustrated PrMgAl_(11)O_(19)using the optical floating zone *** crystal x-ray diffraction(XRD)measurements unveiled the presence of quenched disorder within the mirror plane,specifically~7%of Pr ions deviating from the ideal 2d site towards the 6h *** susceptibility measurements revealed an Ising anisotropy with the c-axis being the easy *** a large spin–spin interaction that develops below~10 K and considerable site disorder,the spins do not order or freeze down to at least 50 *** availability of large single crystals offers a distinct opportunity to investigate the exotic magnetic state on a triangular lattice with an easy axis out of the plane.

关键词： spin liquid disorder frustration triangular lattice Ising anisotropy

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Systematic Radio Telescope Alignment Using Portable Fringe Projection Profilometry

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Nanomanufacturing and Metrology 2024年第1期7卷 75-85页

作者： Joel Berkson Justin Hyatt Nathan Julicher Byeongjoon Jeong Isaac Pimienta Rachel Ball Wyatt Ellis jason Voris Diego Torres‑Barajas Daewook Kim James C.Wyant College of Optical Sciences University of Arizona1630 E.University Blvd.TucsonAZ 85721USA Department of Astronomy at Steward Observatory University of Arizona933 N Cherry Ave.TucsonAZ 85721USA

In 2019,the Event Horizon Telescope(EHT)released the first-ever image of a black hole event *** are now aiming for higher angular resolutions of distant targets,like black holes,to understand more about the fundamental laws of gravity that govern our *** achieve this higher resolution and increased sensitivity,larger radio telescopes are needed to operate at higher frequencies and in larger *** like the next-generation Very Large Array(ngVLA)and the Square-Kilometer Array(SKA)require building hundreds of telescopes with diameters greater than 10 ms over the next *** has a twofold *** telescope surfaces need to be more accurate to operate at higher frequencies,and the logistics involved in maintaining a radio telescope need to be simplified to support them properly in large *** of these problems can be solved with improved methods for surface metrology that are faster and more accurate with a higher *** leads to faster and more accurate panel alignment and,therefore,a more productive *** this paper,we present the use of binocular fringe projection profilometry as a solution to this problem and demonstrate it by aligning two panels on a 3-m radio telescope *** measurement takes only 10 min and directly delivers feedback on the tip,tilt,and piston of each panel to create the ideal reflector shape.

关键词： Metrology Fringe projection profilometry Off-axis alignment Radio astronomy Radio antenna

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Degradation and resynthesis of chlorophyll during increased oxidative stress and prolonged darkness differ between annual and perennial flax(Linum L.)

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Oil Crop Science 2024年第2期9卷 121-130页

作者： Kenyon J. Nisbett Abida Alokozai Su Hyun Elizabeth Ko G. Adam Mott jason C.L. Browna Department of Biological Sciences University of Toronto ScarboroughTorontoONCanada Department of Cell&Systems Biology University of TorontoTorontoONCanada Centre for the Analysis of Genome Evolution&Function University of TorontoTorontoONCanada

Among plants,there is considerable variation in lifespan:annuals live less than one year,whereas perennials live for several years,with the longest-living perennial having survived 43,600 *** proposed by the Disposable Soma Theory,this lifespan variation among plants likely reflects differential investment of limited energy and nutrient resources,with perennials investing more energy and nutrients into biomolecular maintenance compared to annuals in order to ensure persistence over multiple *** differential investment may be particularly important during periods of exogenous stress,which are known to accelerate biomolecular *** present study evaluated this hypothesis using annual and perennial flax(Linum L.)subjected to two exogenous stressors—increased oxidative stress(i.e.,foliar H2O2spraying)and complete prolonged *** chlorophyll has been shown to exhibit degradation in response to changes in environmental conditions,we utilized changes in chlorophyll levels during and after periods of exogenous stress to evaluate our *** predicted that i)perennials would exhibit a slower rate of chlorophyll degradation during exposure to exogenous stressors compared to annuals,and ii)perennials would exhibit a faster rate of chlorophyll resynthesis following such exposure compared to *** levels before,during,and after exposure to both exogenous stressors were measured in two separate trails,once using image colour analysis and once using *** chlorophyll degradation rates in response to oxidative stress did not differ between annuals and perennials,contrary to our predictions,chlorophyll resynthesis rates following such exposure were significantly higher in perennials,as *** plants were subjected to complete prolonged darkness,chlorophyll degradation rates were significantly lower in perennials than annuals,as predicted;however,when plants were subsequently reintroduced to natural photoperiod,ch

关键词： Ageing Life history Maximum lifespan Oxidative stress Somatic maintenance

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Long-Term Impacts of Tree Architectures and Branch Configurations on Tree Growth, Yield, Fruit Quality Attributes, and Leaf Minerals in “Aztec Fuji” Apple

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American Journal of Plant Sciences 2024年第9期15卷 796-810页

作者： Esmaeil Fallahi Michael jason Kiester Bahar Fallahi Pomology and Viticulture Program Department of Plant Sciences Parma Research and Extension Center University of Idaho Parma Idaho USA

Canopy and branch architectures in high-density orchards can be crucial in production and fruit quality. The influence of two canopy orientations (Upright and Tilted) in combination with two arm (branch) architectures (Shortened or Overlapped) on tree growth, yield components, fruit quality, and leaf mineral nutrients in an “Aztec Fuji” apple (Malus domestica Bork.) high-density orchard was studied over five years. Tilted trees with shortened arm configuration (TilShArm) always had significantly larger trunk cross-sectional area (TCSA) than Upright trees with an Overlapped arm configuration (UpOverArm) every year from 2012 to 2016. Trees with a TilShArm system had more cumulative fruit per tree than those with an Upright orientation. Trees with a tilted canopy (TilShArm and TilOverArm) tended to have higher yield per tree and yield per hectare than those with an upright system. Trees with a TilShArm system were more precocious and had more yield per tree than those with an upright canopy orientation in 2012. When values were polled over five years, trees with an upright canopy-shortened arm system (UpShArm) treatment had a lower biennial bearing index (BBI) than those with an upright canopy-overlapped system (UpOverArm). Trees receiving an arm shortening (UpShArm or TilShArm) configuration often had larger fruits than those with overlapped arms (UpOverArm and TilOverArm). Fruit from trees receiving an UpOverArm had higher fruit firmness than those from trees with other canopy-branch arrangements at harvest due to their smaller size. Fruit from trees with a TilShArm and TilOverArm had significantly higher water core and bitter pit but lower sunburn than trees with an upright canopy (UpShArm and UpOverArm). Leaves from trees with an UpOverArm canopy-branch configuration had the lowest leaf Ca but the highest leaf K and Fe concentrations among all treatments.

关键词： Branch Training High-Density Orchard Quality Attributes Tree Architecture

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A 63-Year-Old Male with D-Transposition of the Great Arteries Who Had an Early Form of the Arterial Switch Operation

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Congenital Heart Disease 2024年第1期19卷 65-68页

作者： Michael A.Rebolledo Jane S.Yao jason N.Johnson Umar S.Boston Benjamin R.Waller III Division of Pediatric Cardiology Department of PediatricsThe University of Tennessee Health Science CenterThe Heart InstituteLe Bonheur Children’s HospitalMemphisUSA College of Medicine The University of Tennessee Health ScienceMemphisUSA Division of Pediatric Cardiothoracic Surgery Department of SurgeryThe University of Tennessee Health Science CenterHeart InstituteLe Bonheur Children’s HospitalMemphisUSA

We describe a 63-year-old male who appears to have undergone an early form of the arterial switch operation for D-transposition of the great arteries performed in the *** review the clinical and imaging data that support our *** had a diagnostic cardiac catheterization which demonstrated severe pulmonary hypertension responsive to epoprostenol and *** case may represent one example of the experimental surgical work done prior to *** Jatene’s description of theﬁrst successful arterial switch performed in 1975.

关键词： Adult congenital heart disease arterial switch operation great vessel anomaly imaging(all modalities)

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The Prevalence of Smoking in Caribbean Towns and Correlation with Disease States: A Survey

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Open Journal of Preventive Medicine 2024年第8期14卷 163-171页

作者： Kaeri Mukora Sixtus jason Gabriel Earl Pollard Half Hollow Hills East High School New York USA Saint Lucia Caribbean Department of Anesthesiology Interfaith Hospital Brooklyn Santa Cruz Trinidad

Background: Smoking continues to be one of the most popular recreational practices despite its known harmful effects. Aim: The purpose of this survey was to assess the prevalence of smoking in the Caribbean and the correlation of smoking with the disease states of high blood pressure, diabetes and high cholesterol whose risk is known to be higher among smokers. Findings: Our study found a smoking prevalence of 22% in the population, similar to that reported by the World Health Organization (20%) and a positive correlation between smoking and diabetes. Conclusion: The survey shows that smoking numbers within the population are still high and that smoking increases the risk of certain disease states within smokers. Aggressive global efforts to reduce smoking should continue so as to minimize the negative impact of smoking on health.

关键词： Smoking Tobacco Prevalence High Blood Pressure High Cholesterol Diabetes

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Handwriting Analysis Based on Belief of Targeted Individual Supporting Insider Threat Detection

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Journal of Information Security 2024年第3期15卷 308-319页

作者： jason Slaughter Carole E. Chaski Kellep Charles Center for Cybersecurity Research and Analysis (CCRA) Capitol Technology University Laurel United States

The Unintentional Insider Threat (UIT) concept highlights that insider threats might not always stem from malicious intent and can occur across various domains. This research examines how individuals with medical or psychological issues might unintentionally become insider threats due to their perception of being targeted. Insights from the survey A Survey of Unintentional Medical Insider Threat Category indicate that such perceptions can be linked to underlying health conditions. The study Emotion Analysis Based on Belief of Targeted Individual Supporting Insider Threat Detection reveals that anger is a common emotion among these individuals. The findings suggest that UITs are often linked to medical or psychological issues, with anger being prevalent. To mitigate these risks, it is recommended that Insider Threat programs integrate expertise from medicine, psychology, and cybersecurity. Additionally, handwriting analysis is proposed as a potential tool for detecting insider threats, reflecting the evolving nature of threat assessment methodologies.

关键词： Insider Threat Detection Targeted Medical

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