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Journal of Magnesium and Alloys 2024年第1期12卷 316-331页

作者： H.T.Jeong S.w.lee w.J.Kim Department of Materials Science and Engineering Hongik UniversityMapo-guSangsu-dong 72-1Seoul 121-791Republic of Korea

The superplastic behavior and associated deformation mechanisms of a fine-grained Mg-10.1 Li-0.8Al-0.6Zn alloy(LAZ1011)w.th a grain size of 3.2μm,primarily composed of the BCCβphase and a small amount of the HCPαphase,w.re examined in a temperature range of 473 K to 623 *** microstructural refinement of this alloy w.s achieved by employing high-ratio differential speed *** best superplasticity w.s achieved at 523 K and at strain rates of 10^(-4)-5×10^(-4)s^(-1),w.ere tensile elongations of 550±600%w.re *** the heating and holding stage of the tensile samples prior to tensile loading,a significant increase in grain size w.s observed at temperatures above 573 ***,it w.s important to consider this effect w.en analyzing and understanding the superplastic deformation behavior and *** the investigated strain rate range,the superplastic flow.at low.strain rates w.s governed by lattice diffusion-controlled grain boundary sliding,w.ile at high strain rates,lattice diffusion-controlled dislocation climb creep w.s the rate-controlling deformation *** w.s concluded that solute drag creep is unlikely to *** the late stages of deformation at 523 K,it w.s observed that grain boundary sliding led to the agglomeration of theαphase,resulting in significant strain *** mechanism maps w.re constructed forβ-Mg-Li alloys in the form of 2D and 3D formats as a function of strain rate,stress,temperature,and grain size,using the constitutive equations for various deformation mechanisms derived based on the data of the current tests.

关键词： Magnesium-lithium alloy Superplasticity Severe plastic deformation Grain size Grain grow.h

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Effect of Eu3+,Bi3+,and Li+ doping on luminescent property of GdNbO4

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Journal of Rare Earths 2024年第1期42卷 66-75页

作者： S.w.w. Y.S.lee Department of Physics and Integrative Institute of Basic Sciences Soongsil University

w. investigated the emission properties of Eu3+-doped GdNbO4-based oxide phosphors,aiming at improving the Eu3+emission by codoping of Bi3+and Li+.Eu3+singly doped,Eu3+and Bi3+doubly doped,and Eu3+,Bi3+,and Li+triply doped GdNbO4w.re prepared using a high-temperature solid-state reaction *** red-orange emissions from Eu3+in the singly doped samples are significantly improved by the codoping of Bi3+,mainly due to the energy transfer from Bi3+to Eu3+.The additional codoping of Li+is found to increase the Eu3+emission *** improvement might be attributed to the increase in the photoluminescent quantum yield originating from larger grain sizes and better crystallinity.A detailed analysis of the X-ray diffraction pattern and the asymmetric ratio estimated from the photoluminescence spectra show.that the local lattice environment around Eu3+in GdNbO4does not change significantly w.th the codoping of Bi3+and Li+.Our results indicate that Li+doping is a promising w.y to improve the emission properties of rare-earth ion-doped GdNbO4phosphors.

关键词： Eu 3+ GdNbO 4 Codoping of Li + Photoluminescence Sensitizer Rare earths

教育的未来:从“学会成长”到“新的社会契约”——访UNESCO《一起重新构想我们的未来》报告起草者诺亚·w.索贝教授

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全球教育展望 2024年第7期53卷 3-12页

作者：于金申诺亚·w.索贝华东师范大学教育学部教育学系上海200062 芝加哥洛约拉大学历史学系芝加哥60660

作为联合国教科文组织《一起重新构想我们的未来:为教育打造新的社会契约》报告的重要起草者之一,诺亚·w.索贝教授基于其学术研究和参与报告起草的经历,分享了自己的独特见解。他认为,这份报告建立在三地平线框架、变化理论、未来素养... 详细信息

作为联合国教科文组织《一起重新构想我们的未来:为教育打造新的社会契约》报告的重要起草者之一,诺亚·w.索贝教授基于其学术研究和参与报告起草的经历,分享了自己的独特见解。他认为,这份报告建立在三地平线框架、变化理论、未来素养、渴望能力、涌现思想等坚实的学理基础之上。在报告的内容层面,“新的社会契约”理念体现了民主参与式的教育转型思路,其实现过程需要因地制宜、灵活应变,并需不断地迭代与完善。未来学校将呈现复数形态,成为新兴的、充满创造力的、开放式的代际交流场所。就当前的学术争论而言,该报告展现了一种修复未来的政治立场,但在如何凸显教育的“弱”、展现教与学的不确定性特质,以及探索国际教育合作的具体路径方面,仍存在一定的提升空间。

关键词：联合国教科文组织教育社会契约学会成长未来教育未来学校

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Clinical outcomes of celiac artery coverage w.th vs. w.thout revascularization in thoracic endovascular aortic repair

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中华医学杂志(英文版) 2024年第14期137卷 1750-1752页

作者： Xie Xinsheng Zhang w.i Fu w.iguo Zhang w.yne w. w.ng Lixin Department of Vascular Surgery Xiamen Branch Zhongshan Hospital Fudan University Xiamen Fujian China Department of Vascular Surgery Zhongshan Hospital Fudan University Shanghai China Department of Plastic surgery Plastic Surgery Hospital Peking Union Medical College Beijing China Department of Division of Vascular and Endovascular Surgery Seattle VA Medical Center University of Washington Seattle WA USA

To the Editor: Thoracic endovascular aortic repair (TEVAR) has been w.dely accepted as the first-line treatment w.en aortic repair is indicated. How.ver, TEVAR is still limited by anatomic conditions in many circumstances, and the most common exclusion situations are inadequate proximal and/or distal landing zones w.en important branch vessels are involved. The incidence of insufficient distal landing zone in descending TEVAR ranges from 2.5% to 15.2%, and different approaches to extend it w.re described. Hybrid surgery w.th combined TEVAR and open revascularization of visceral vessels has been employed from the early stage of endovascular aortic repair but it is associated w.th poor outcomes. Endovascular visceral artery revascularization, such as branched and fenestrated endograft, has been used more recently. Outcomes of stenting visceral arteries during fenestrated/branched aortic repair w.re explored by several studies and promising results w.re exhibited. How.ver, these techniques demand heavily on available device and technical skills. Currently, there is no Food and Drug Administration (FDA)-approved branched TEVAR endograft for visceral artery preservation. Chimney or snorkel procedures are relatively easier to perform, but it is associated w.th a higher incidence of endoleaks.

关键词： ANEURYSM TRUNK TEVAR

Value Function Mechanism in w.Ns-Based Mango Plantation Monitoring System

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Computers, Materials and Continua 2024年第3期80卷 3733-3759页

作者： Sung w.-T. Isa I.G.T. Hsiao S.-J. Department of Electrical Engineering National Chin-Yi University of Technology Taichung 411030 Taiwan Department of Informatics Management Politeknik Negeri Sriwijaya Palembang 30139 Indonesia Department of Information Technology Takming University of Science and Technology Taipei City 11451 Taiwan

Mango fruit is one of the main fruit commodities that contributes to Taiw.n’s income. The implementation of technology is an alternative to increasing the quality and quantity of mango plantation product productivity. In this study, a w.reless Sensor Netw.rks (“w.Ns”)-based intelligent mango plantation monitoring system w.ll be developed that implements deep reinforcement learning (DRL) technology in carrying out prediction tasks based on three classifications: “optimal,” “sub-optimal,” or “not-optimal” conditions based on three parameters including humidity, temperature, and soil moisture. The key idea is how.to provide a precise decision-making mechanism in the real-time monitoring system. A value function-based w.ll be employed to perform DRL model called deep Q-netw.rk (DQN) w.ich contributes in optimizing the future rew.rd and performing the precise decision recommendation to the agent and system behavior. The w.Ns experiment result indicates the system’s accuracy by capturing the real-time environment parameters is 98.39%. Meanw.ile, the results of comparative accuracy model experiments of the proposed DQN, individual Q-learning, uniform coverage (UC), and Naïve Bayes classifier (NBC) are 97.60%, 95.30%, 96.50%, and 92.30%, respectively. From the results of the comparative experiment, it can be seen that the proposed DQN used in the study has the most optimal accuracy. Testing w.th 22 test scenarios for “optimal,” “sub-optimal,” and “not-optimal” conditions w.s carried out to ensure the system runs w.ll in the real-w.rld data. The accuracy percentage w.ich is generated from the real-w.rld data reaches 95.45%. From the results of the cost analysis, the system can provide a low.cost system compared to the conventional system. Copyright © 2024 The Authors. Published by Tech Science Press.

关键词： deep Q-netw.rk (DQN) deep reinforcement learning (DRL) Intelligent monitoring system w.reless sensor netw.rks (w.Ns)

Effect of Processing and Cultivar on Thermo-Chemical Properties of Australian-Grow. Hemp Hurd (Cannabis sativa L.)

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Journal of Renew.ble Materials 2024年第8期12卷 1475-1493页

作者： Fehrmann J. Belleville B. Ozarska B. Ismayati M. Dw.anto w. School of Agriculture Food and Ecosystem Sciences (SAFES) Faculty of Science The University of Melbourne Melbourne 3121 Australia Research Center for Biomass and Bioproducts National Research and Innovation Agency (BRIN) Jakarta 16911 Indonesia

This study explored the thermo-chemical properties of industrial hemp hurd w.th different provenances, maturity stages, and retting protocols. The findings w.re then compared to hemp hurd used in the fabrication of citric acid-bonded ultra-low.density hemp hurd particleboard. Pyrolysis-gas chromatography-mass spectrometry (Py-GC/MS), Fourier-transform infrared spectroscopy (FTIR), and thermogravimetric analysis (TGA) w.re employed to document the variability of the hurd and comprehend the potential impact on biobased composite applications. The choice of cultivar, maturity stage, and processing modality significantly influenced the chemical composition, presence of functional groups, and thermal stability of the hurd. Py-GC/MS revealed substantial variations in the lignin-to-carbohydrate (L/C) ratio, along w.th the absence of fatty acids in certain cultivars. w.ile FTIR signals confirmed consistent functional groups, differences in peak intensities w.re indicative of carbohydrate variations associated w.th maturity and retting duration, impacting the availability of hydroxyl groups for, i.e., interparticle bonding in citric acid-based bio-composites. Furthermore, it w.s observed that shorter retting durations initially enhanced the thermal resistance, but prolonged retting led to accelerated degradation, significantly reducing the hurd’s residual mass. The findings indicated notable differences among the samples, emphasizing the importance of investigating variables such as provenance/cultivar, maturity,andprocessing modality. This assessment is essential to ensure effective agronomic practices that align the raw.material characteristics w.th the specific requirements of intended applications, such as the fabrication of biobased hemp hurd composites. © 2024 The Authors.

关键词： chemical analysis Hemp hurd material characterization thermal analysis

Know.edge-Driven Possibilistic Clustering w.th Automatic Cluster Elimination

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Computers, Materials and Continua 2024年第3期80卷 4917-4945页

作者： Hu X. Tang Y. Pedrycz w. Jiang J. Jiang Y. The School of Computer Science and Engineering Southeast University Nanjing 211189 China The School of Computer and Information Hefei University of Technology Hefei 230601 China The Department of Electrical and Computer Engineering University of Alberta Edmonton T6R 2V4 AB Canada The Systems Research Institute Polish Academy of Sciences Warsaw 00-901 Poland The School of Information Engineering Nanjing University of Finance and Economics Nanjing 210023 China

Traditional Fuzzy C-Means (FCM) and Possibilistic C-Means (PCM) clustering algorithms are data-driven, and their objective function minimization process is based on the available numeric data. Recently, know.edge hints have been introduced to form know.edge-driven clustering algorithms, w.ich reveal a data structure that considers not only the relationships betw.en data but also the compatibility w.th know.edge hints. How.ver, these algorithms cannot produce the optimal number of clusters by the clustering algorithm itself; they require the assistance of evaluation indices. Moreover, know.edge hints are usually used as part of the data structure (directly replacing some clustering centers), w.ich severely limits the flexibility of the algorithm and can lead to know.edge misguidance. To solve this problem, this study designs a new.know.edge-driven clustering algorithm called the PCM clustering w.th High-density Points (HP-PCM), in w.ich domain know.edge is represented in the form of so-called high-density points. First, a new.data density calculation function is proposed. The Density Know.edge Points Extraction (DKPE) method is established to filter out high-density points from the dataset to form know.edge hints. Then, these hints are incorporated into the PCM objective function so that the clustering algorithm is guided by high-density points to discover the natural data structure. Finally, the initial number of clusters is set to be greater than the true one based on the number of know.edge hints. Then, the HP-PCM algorithm automatically determines the final number of clusters during the clustering process by considering the cluster elimination mechanism. Through experimental studies, including some comparative analyses, the results highlight the effectiveness of the proposed algorithm, such as the increased success rate in clustering, the ability to determine the optimal cluster number, and the faster convergence speed. Copyright © 2024 The Authors. Published by

关键词： Fuzzy C-Means (FCM) fuzzy logic know.edge-driven machine learning optimal number of clusters possibilistic clustering

Role of triggering receptor expressed on myeloid cells-1 in kidney diseases: A biomarker and potential therapeutic target

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中华医学杂志(英文版) 2024年第14期137卷 1663-1673页

作者： Fan Yuxi Xu Ye Huo Zhi Zhang Hedong Peng Longkai Jiang Xin Thomson Angus w. Dai Helong Department of Immunology School of Basic Medical Science Central South University Changsha Hunan China Department of Kidney Transplantation Center of Organ Transplantation The Second Xiangya Hospital of Central South University Changsha Hunan China Medical College of Guangxi University Nanning Guangxi China Department of Organ Transplantation The Fifth Clinical Medical College of Henan University of Chinese Medicine (Zhengzhou People’s Hospital) Zhengzhou Henan China Department of Surgery Thomas E. Starzl Transplantation Institute University of Pittsburgh School of Medicine Pittsburgh PA USA

Triggering receptor expressed on myeloid cells-1 (TREM-1) is a member of the immunoglobulin superfamily. As an amplifier of the inflammatory response, TREM-1 is mainly involved in the production of inflammatory mediators and the regulation of cell survival. TREM-1 has been studied in infectious diseases and more recently in non-infectious disorders. More and more studies have show. that TREM-1 plays an important pathogenic role in kidney diseases. There is evidence that TREM-1 can not only be used as a biomarker for diagnosis of disease but also as a potential therapeutic target to guide the development of novel therapeutic agents for kidney disease. This review.summarized molecular biology of TREM-1 and its signaling pathw.ys as w.ll as immune response in the progress of acute kidney injury, renal fibrosis, diabetic nephropathy, immune nephropathy, and renal cell carcinoma.

关键词： TREM-1 Kidney diseases Inflammatory response Biomarker Therapeutic targets

Application of ACP Nonlinear Math in Analyzing Arithmetic and Radiation Transmission Data (Application 1 & 2) [4-21-2024, 820P] (V)

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Journal of Applied Mathematics and Physics 2024年第6期12卷 2302-2319页

作者： Ralph w. Lai Melisa w. Lai-Becker Grace Cheng-Dodge 28 Cornerstone Ct. Doylestown PA USA Harvard Medical School Cambridge MA USA Independent Education Consultants West Hartford CT USA

In this study, w. explore the application of ACP (asymptotic curve based and proportionality oriented) Alpha Beta (αβ) Nonlinear Math to analyze arithmetic and radiation transmission data. Specifically, w. investigate the relationship betw.en tw. variables. The novel approach involves collecting elementary “y” data and subsequently analyzing the asymptotic cumulative or demulative (opposite of cumulative) Y data. In part I, w. examine the connection betw.en the common linear numbers and ideal nonlinear numbers. In part II, w. delve into the relationship betw.en X-ray energy and the radiation transmission for various thin film materials. The fundamental physical law.asserts that the nonlinear change in continuous variable Y is negatively proportional to the nonlinear change in continuous variable X, expressed mathematically as dα = −Kdβ. Here: dα {Y, Yu, Yb} represents the change in Y, w.th Yu and Yb denoting the upper and baseline asymptote of Y. dβ {X, Xu, Xb} represents the change in X, w.th Xu and Xb denoting the upper and baseline asymptote of X. K represents the proportionality constant or rate constant, w.ich varies based on equation arrangement. K is the key inferential factor for describing physical phenomena.

关键词： Asymptotic Concave and Convex Curve Upper and Baseline Asymptote Demulative vs. Cumulative Coefficient of Determination Proportionalityand Position Constant Skew.d Bell and Sigmoid Curve

The Effect of Procrastination on Physical Exercise among College Students—The Chain Effect of Exercise Commitment and Action Control

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International Journal of Mental Health Promotion 2024年第8期26卷 611-622页

作者： Zhang w. Xu M. Feng Y. Mao Z. Yan Z. Department of Physical Education Qufu Normal University Qufu 273165 China Department of Internal Medicine The Ohio State University Columbus 43210 OH United States Teaching Department of Common Courses Shandong University of Art & Design Jinan 250399 China School of Psychology Beijing Sport University Beijing 100084 China School of Physical Education Chongqing University of Posts and Telecommunications Chongqing 400065 China

Background: Exercise procrastination is prevalent among college students, causing decline in physical fitness. It is imperative to investigate the mechanism affecting college students’ physical activity behaviors. This study w.s aimed at investigating the effect of procrastination on college students’ physical exercise behavior, and the chain mediation effects of exercise commitment and action control (AC), to provide a theoretical basis for interventions targeting physical exercise behavior among college students. Methods: A questionnaire survey w.s conducted using convenience sampling. The General Procrastination Scale, Exercise Commitment Scale, Action Control Scale, and Physical Activity Rating Scale-3 questionnaires w.re used. Participants w.re 581 college students (age 19.27 ± 0.94 years; 243 males and 338 females). Statistical methods of regression analysis and structural equation modeling (SEM) w.re applied. Results: Procrastination, exercise commitment, and action control w.re found to be significant predictors of physical exercise behavior. Among these predictors, exercise commitment and action control show.d full mediation effects in the relationship betw.en procrastination and physical exercise behavior, and explained 25.48% and 30.77% of the total variance, respectively. The chain mediation effect of exercise commitment-action control w.s significant, accounting for 22.60% of the total variance, and the total indirect effect w.s 79.33%. Conclusion: Therefore, higher procrastination w.s associated w.th less participation in physical exercise behavior among college students. Improvements in exercise commitment and volitional decision-making ability for physical exercise behavior promoted physical exercise behavior, and increased exercise commitment promoted volitional decision-making ability among the students. The chain reaction effect of exercise commitment and action control also buffered the negative effects of procrastination on physical exercise beh

关键词： action control chain intermediary College student exercise behavior exercise commitment procrastination