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Mitigating the carbonate issues in electrochemical CO2 reduction:Fundamental understanding and design strategies 认领 引用
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作者 Yan Qiao Yanan Wang +3 位作者 Mengfan Li Dun Li Wenchuan Lai Hongwen Huang 《Chinese Chemical Letters》 SCIE CAS CSCD 2026年第5期152-167,共16页
The electrochemical CO2 reduction(CO2R)holds the potential to manufacture carbon-based chemicals and fuels while advancing toward carbon neutrality.On the path to achieving practical CO2R,a significant challe... The electrochemical CO2 reduction(CO2R)holds the potential to manufacture carbon-based chemicals and fuels while advancing toward carbon neutrality.On the path to achieving practical CO2R,a significant challenge lies in the formation of carbonate salts due to the interplay between CO2,local alkalinity and metal cations.The carbonate issue leads to the wastage of CO2 reactant,thus resulting in low carbon utilization efficiency and high costs for carbonate regeneration.Additionally,such salt formation can threaten the operation stability of the CO2R in electrolyzers equipped with gas diffusion electrodes(GDE).These challenges motivate us to conduct the present review,aiming to provide a comprehensive understanding and propose solution strategies for the carbonate problem.We start from the mechanism insights into carbonate formation with specific analysis on the kinetics of carbonate formation,mass transfer process,and the influence of interfacial p H,followed by the exposition of advanced techniques to monitor the carbonate accumulation.Next,the design strategies to solve the carbonate problem including the optimization of electrolyte,electrode,membranes and operation conditions,are presented,with a highlight on acidic CO2 electrolysis system without introducing metal cations into electrolyte systems.We finally end up by offering future opportunities in this evolving field.These timely and inspiring perspectives can guide researchers in addressing carbonate-related issues and advance CO2R toward practical feasibility. 展开更多
关键词 Electrochemical CO2reduction Carbonate issues Fundamental insight Addressing strategy Operation conditions
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Development of an antenna adjustable fundamental power coupler for the 81.25 MHz superconducting cavity at the High Intensity Heavy‑Ion Accelerator Facility 认领 引用
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作者 Guo‑Chang Liu Tian‑Cai Jiang +9 位作者 Zong‑Heng Xue Ji‑Yu Wang Ke‑An Jin Meng‑Xin Xu Zhou‑Li Zhang Chun‑Long Li Qi‑Tong Huang Sheng‑Xue Zhang Sheng‑Hu Zhang Yuan He 《Nuclear Science and Techniques》 SCIE EI CAS CSCD 2026年第7期1-17,共17页
The Institute of Modern Physics(IMP)of the Chinese Academy of Sciences(CAS)has designed and prototyped fundamental power couplers for 81.25 MHz superconducting quarter-wave resonators(QWR)in the High-Intensity Heavy-I... The Institute of Modern Physics(IMP)of the Chinese Academy of Sciences(CAS)has designed and prototyped fundamental power couplers for 81.25 MHz superconducting quarter-wave resonators(QWR)in the High-Intensity Heavy-Ion Accelerator Facility(HIAF).The QWR coupler operates in the pulsed or continuous-wave mode with an average power of 6 kW.This coupler is designed with a 50Ωcoaxial structure and a dual-disk warm-window assembly.Focusing on the optimized heat leakage,a double-walled structure is applied to the outer conductor of the coupler for helium gas cooling at 5 K.To suppress multipacting(MP),a 10-nm titanium nitride(TiN)coating is applied to the vacuum side of the ceramic window,whereas a DC bias voltage is applied to the inner conductor.To reduce the production cost of the coupler and make it suitable for mass production,various coupler fabrication materials were tested,and the feasibility of the fabrication process was verified.The coupler includes two types of diagnostic ports for vacuum and ARC monitoring.Two prototype couplers were fabricated and tested for high-power conditioning.The QWR couplers proved their robustness with 10 h of 9 kW traveling-wave conditioning and 12 h of 9 kW standing wave conditioning,achieving a stabilized 9 kW power level and a stable vacuum.As predicted,MP barriers were encountered at input powers ranging from 1 kW to 9 kW,and a DC bias voltage of 800 V effectively suppressed the occurrence of MP. 展开更多
关键词 81.25 MHz fundamental power coupler Superconducting quarter-wave resonator High-power conditioning
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Hydraulic-mechanical analysis of induced stress change in unconventional reservoirs using a novel fundamental solution of poromechanics in a half space 认领 引用
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作者 Shihao Wang Ouassim Khebzegga 《Petroleum Science》 SCIE EI CAS CSCD 2026年第5期2773-2792,共20页
The production of fractured unconventional reservoirs induces stress changes,which will affect the productionperformance of neighboring wells.To quantify such effects,the analytical solution is a convenient yet accura... The production of fractured unconventional reservoirs induces stress changes,which will affect the productionperformance of neighboring wells.To quantify such effects,the analytical solution is a convenient yet accurate tool.In thiswork,we have developed an analyticalsolution of the transient pressure and stress variation induced by the production of apoint/line/plane source in a semi-infinite poroelastic reservoir with a traction-free surface boundary.We have benchmarked the derived solution with both analytical solution and numerical program.The solution demonstrates excellent accuracy.Moreover,the analytical approach reduces the computational time of numerical approaches from hours to seconds.We then apply the solution to study the surface subsidence control and stress interference between fractured horizontal wells.Results show that the derived solution is capable of quantifying complex hydraulic-mechanical processes during the recovery of shallow water as well asdeep shale reservoirs.Upon investigation,we have found that infill wells can effectively reduce the surface subsidence induced by the production of shallow horizontal wells.Furthermore,shale reservoirs with lower permeability are more sensitive to pressure-stress changes.The range of stress reorientation can also be efficiently quantified by the developed approach.Also,normal stresses and shear stresses behave differently during fracture driven interactions.The above findings potentially benefit the decisionmaking in the asset development.The major novelty of our work lies in the extension of existing approaches that are limited to axisymmetric problems to line and plane sourcesproblems,so that the solution can be used in unconventional reservoirs with fractures. 展开更多
关键词 Fundamental solution Geomechanics Poroelasticity Unconventional reservoirs Half space
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面向“一带一路”能源类专业课程“线上-线下一体化”建设——以Fundamentals of Geology课程为例 认领 引用
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作者 杨雪飞 唐浩 +2 位作者 许强 范存辉 赵虎 《高教学刊》 2026年第18期35-38,共4页
作为全球能源需求大国,我国在石油天然气开采技术领域已达到国际先进水平。西南石油大学凭借其在石油天然气勘探开发领域的特色优势,吸引众多“一带一路”共建国家留学生前来攻读石油类专业学位。地质学基础作为石油类专业的核心必修课... 作为全球能源需求大国,我国在石油天然气开采技术领域已达到国际先进水平。西南石油大学凭借其在石油天然气勘探开发领域的特色优势,吸引众多“一带一路”共建国家留学生前来攻读石油类专业学位。地质学基础作为石油类专业的核心必修课程,已开设六十余年。为适应新时代国际化人才培养需求,西南石油大学自2016年起面向石油工程专业来华留学生开设全英文课程Fundamentals of Geology(地质学基础)。经过六年的教学实践,课程团队在教学内容优化、教学模式创新、线上教学资源建设等方面进行系统性改革,构建“线上-线下一体化”教学体系。该课程不仅致力于培养具有国际视野的能源领域专业人才,同时注重传播中国科技发展成就,讲好中国故事,有效践行“一带一路”教育行动计划。 展开更多
关键词 能源类专业 Fundamentals of Geology(地质学基础) “线上-线下一体化”建设 国际化人才培养 “一带一路”倡议
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Effects of physical activity interventions on fundamental movement skills and cognitive function in early childhood:A systematic review and network meta-analysis 认领 引用
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作者 Shan Jiang Nan Zeng +4 位作者 Johan Y.Y.Ng Kar Hau Chong Taoran Zeng Suzannie K.Y.Leung Amy S.Ha 《Journal of Sport and Health Science》 SCIE CAS CSCD 2026年第3期37-50,共14页
Background:Health benefits have been reported for many physical activity(PA)interventions for improving fundamental movement skills(FMS)and cognitive function(CF),but the most effective type of PA interventions for em... Background:Health benefits have been reported for many physical activity(PA)interventions for improving fundamental movement skills(FMS)and cognitive function(CF),but the most effective type of PA interventions for emhancing FMS and CF in early childhood remain unknown.Thus,the study aimed to determine the effects of PA interventions in enhancing FMS and CF among young children and to establish the optimal types of PA interventions.Methods:Six electronic databases(PubMed,OVID,SPORTDiscus,Scopus,Web of Science,and Cochrane)were searched for studies from inception to March 17,2024.Randomized controlled trials(RCTs)were included in this study if they reported outcomes related to FMS,CF,or both associated with PA interventions.Effect sizes were calculated and performed as Hedges'g.The hierarchy of competing interventions was established using the surface under the cumulative ranking curve(SUCRA).Risk of bias was independently assessed using the Cochrane Riskof-Bias 2.Results:This analysis included 38 studies with 5237 young children,with sample sizes ranging from 32 to 897 participants.The types of PA interventions analyzed included active play/free play/unstructured PA(AP),general structured PA(GSPA),FMS-targeted PA programs(FMSprograms),cognitively-engaging PA programs(CPA),multilevel PA interventions(MPA),and exergaming.PA interventions had a large,pooled effect size for total FMS(g=0.96;95%CI:0.45-1.46;p<0.01;I2=94%).For CF,a small-to-moderate pooled effect size was found(g=0.39;95%CI:0.18-0.60;p<0.01;I2=88%).PA interventions longer than 3 months showed fewer benefits for FMS(p<0.01).The network meta-analysis showed that FMS-programs(standardized mean difference((SMD)=1.55,95%CI:0.98-2.11,SUCRA=98.3%)and GSPA(SMD=0.94,95%CI:0.05-1.85,SUCRA=69.8%)significantly improved total FMS compared to AP.For locomotor skills(LMS),exergaming ranked highest(SUCRA=79.3%),followed by FMS-programs(75.9%)and GSPA(61.6%).However,despite its top ranking,exergaming's effect estimate was not statistically significant(SMD=1.38,95%CI:-0.08 to 2.85).For object control skills(OCS),exergaming again ranked highest(SUCRA=91.9%)and showed the largest significant effect(SMD=2.38,95%CI:0.96-3.80),followed by FMS-programs(SUCRA=78.5%)and GSPA(SUCRA=53.7%).FMS-programs,GSPA,MPA,and UC also significantly improved OCS compared to AP.While no significant differences were observed across PA interventions for most CF domains,exergaming had a significant positive effect on working memory(SMD=1.41,95%CI:0.07-2.75).The certainty of evidence varied from low to moderate.Conclusion:These findings emphasize the importance of PA interventions in improving FMS and CF in early childhood.FMS-programs and GSPA appear to be the most effective approaches for enhancing total FMS,while exergaming showed the highest ranking for LMS and OCS,with a significant impact on OCS but uncertainty in LMS improvements.Additionally,exergaming had a positive effect on working memory,suggesting its potential cognitive benefits. 展开更多
关键词 Physical activity Fundamental movement skills Cognitive function Early childhood
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Pulsed electrochemistry for water decontamination:Fundamental principles and environmental application 认领 引用
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作者 Mengjiao Xie Nadeeshani Nanayakkara Yanbiao Liu 《Chinese Chemical Letters》 SCIE CAS CSCD 2026年第4期199-210,共12页
Sustainable and efficient solutions are essential to address increasingly critical environmental issues,particularly in the field of pollutant removal and resource recovery.The latest research has shown that pulsed el... Sustainable and efficient solutions are essential to address increasingly critical environmental issues,particularly in the field of pollutant removal and resource recovery.The latest research has shown that pulsed electrochemistry significantly contributes to these goals by precisely altering the local reaction environment,accelerating the reaction kinetics and decreasing the overall energy requirements.However,knowledge gaps exist in dynamic evolution mechanism of electric double layer(EDL)in this technology,and challenges remain toward fully implementation of this promising technology.In this review,the fundamentals of pulsed electrochemistry and its connection to the theoretical models of EDL are comprehensively presented.The critical parameters(e.g.,duty ratio,frequency and waveform)for boosting the performance of the system are systematically discussed and the typical electrochemical reactions that occur with pulsed electrochemistry are outlined.The proposed pulsed electrochemistry methodologies tailored for environmental applications are also reviewed in detail.Finally,future opportunities and challenges of this promising but fledgling field are discussed,with the expectation that this technology offers a route to transform conventional chemical industries into cleaner and more sustainable production. 展开更多
关键词 Pulsed electrochemistry Fundamental principles Electric double layer Operational parameters Environmental application
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Advancing laboratory medicine:from fundamental discovery to diagnostic translation 认领 引用
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作者 Khosrow Adeli 《LabMed Discovery》 CAS 2026年第2期1-3,共3页
Laboratory medicine is undergoing a profound transformation.Once viewed primarily as a discipline focused on accurate measurement and timely reporting of laboratory results,it is now increasingly recognized as a centr... Laboratory medicine is undergoing a profound transformation.Once viewed primarily as a discipline focused on accurate measurement and timely reporting of laboratory results,it is now increasingly recognized as a central driver of biomedical discovery,disease prevention,precision diagnostics,and translational medicine.Advances in molecular biology,analytical chemistry,systems medicine,data science,artificial intelli-gence,and multi-omics are reshaping the boundaries of the field.The modern clinical laboratory is no longer simply a testing environment;it is a platform for integrating biological insight,diagnostic innovation,and patient-centered decision-making. 展开更多
关键词 molecular biology biomedical discoverydisease lab medicine systems medicine laboratory medicine fundamental discovery analytical chemistry molecular biologyanalytical chemistrysystems
Exploratory Research on Knowledge Graph Combined with Artificial Intelligence Teaching Assistant in the Fundamentals of Nursing Course 认领 引用
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作者 Jianwei Hu Lijuan Wang +1 位作者 Li Yang Yu Cai 《Journal of Contemporary Educational Research》 2026年第3期72-77,共6页
Higher education is undergoing digital construction,and traditional education can no longer meet the training needs of nursing talents in the new era.The teaching of Fundamentals of Nursing faces several dilemmas,incl... Higher education is undergoing digital construction,and traditional education can no longer meet the training needs of nursing talents in the new era.The teaching of Fundamentals of Nursing faces several dilemmas,including cumbersome course content and scattered knowledge points.With the iterative update of modern digital technologies,the knowledge graph-structured,semantic,scalable,and multi-source integrated-provides a technical path to solve these problems.This study proposes a planned teaching application scheme based on the Xuexitong platform,which integrates the knowledge graph,artificial intelligence teaching assistant,and task engine.This scheme not only provides practical reference for the teaching innovation of Fundamentals of Nursing but also offers new ideas for the in-depth integration of educational technology and nursing teaching. 展开更多
关键词 Knowledge graph Artificial intelligence Teaching assistant Fundamentals of Nursing Undergraduate nursing education
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Fundamental groups of manifolds of positive sectional curvature 认领 引用
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作者 RONG Xiaochun 《首都师范大学学报（自然科学版）》 2026年第1期1-13,27,共13页
Let M be a compact n-manifold of positive sectional curvature.We will review classical results on the fundamental group of M,a motivation on the c(n)-cyclic conjecture that the fundamental group of M contains a cyclic... Let M be a compact n-manifold of positive sectional curvature.We will review classical results on the fundamental group of M,a motivation on the c(n)-cyclic conjecture that the fundamental group of M contains a cyclic subgroup of index bounded above by c(n),a constant depending only on n,and we will survey partial results(up to date)on the c(n)-cyclic conjecture. 展开更多
关键词 positive sectional curvature conjecture on almost cyclic fundamental groups equivariant Gromov-Hausdorff convergence Alexandrov geometry
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Stay Rooted in the People, Break New Ground While Upholding Fundamental Principles, and Advance the Building of a Community With a Shared Future for Humanity 认领 引用
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作者 Wu Ken 《Foreign Affairs Journal》 2026年第1期1-7,74-76,共7页
Since the 18th National Congress of the Communist Party of China(CPC),the building of socialism with Chinese characteristics has entered a new era.Under the strong leadership of the CPC Central Committee with Comrade ... Since the 18th National Congress of the Communist Party of China(CPC),the building of socialism with Chinese characteristics has entered a new era.Under the strong leadership of the CPC Central Committee with Comrade Xi Jinping at its core,China has made new advances in conducting majorcountry diplomacy with Chinese characteristics.As an integral part of China's overall external work,people-to-people diplomacy has played a unique role in fostering a favorable external environment for advancing Chinese modernization and building a community with a shared future for humanity.People-to-people diplomacy has embarked on a new journey,and as it breaks new ground while upholding fundamental principles,it is set to make even greater achievements. 展开更多
关键词 People People Diplomacy Major Country Diplomacy Chinese Characteristics Fundamental Principles New Era building socialism chinese characteristics fostering favorable external environment Community Shared Future Humanity
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Reconstruction of Mathematical Philosophy and Fundamental Axiom System Based on Unified Complex System Theory 认领 引用
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作者 CUI Weicheng 《Philosophy Study》 2026年第3期269-282,共14页
The Unified Complex System Theory(UCST)takes the mind-ether dual ontology as its core foundation,constructing a global complex system framework encompassing matter,energy,and information.Based on the dual ontology and... The Unified Complex System Theory(UCST)takes the mind-ether dual ontology as its core foundation,constructing a global complex system framework encompassing matter,energy,and information.Based on the dual ontology and hierarchical coupling principle of UCST,this paper breaks the millennia-old dual opposition between the“pure discovery”and“pure invention”of mathematics in traditional philosophical discourse,and puts forward the core proposition that mathematics is the hierarchical isomorphic mapping of the objective structure of the real world by the cognitive subject mind.On this theoretical premise,this paper innovatively establishes the UCST mathematical fundamental axiom system containing six interlocking core axioms,systematically reinterprets key core frontier topics in the foundations of mathematics such as infinite essence classification,intrinsic logic of set theory,physical attribution of continuum,and practical boundary of computability theory,and effectively dissolves the long-standing inherent logical paradoxes and theoretical dilemmas within traditional mathematical philosophy and the classical foundations of mathematics.Meanwhile,taking the self-consistent UCST axiom system as the unified critical normative criterion,this paper systematically sorts out and reveals the universal cognitive deviation arising from the forced arbitrary transition of abstract high-dimensional mathematical formal models to concrete four-dimensional empirical physical reality in the theoretical construction process of modern mainstream physics.It further scientifically clarifies the essential ontological,epistemological,and methodological boundary between instrumental mathematics and empirical physics in the whole scientific research system.This research advocates that academic circles should return mathematics to its original instrumental essence of fitting and describing four-dimensional empirical natural laws,and theoretical physics should firmly adhere to the basic research boundary of observable,verifiable,and falsifiable real spacetime entities.Ultimately,the research realizes the self-consistent unity of the essence connotation of mathematics,the standardized reconstruction of the foundations of mathematics,the ontological logic of complex systems,and the core principles of physical empiricism,providing a novel,rigorous,and operable complex system comprehensive perspective for the innovative development of contemporary philosophy of mathematics and the normative rectification of philosophy of science. 展开更多
关键词 Unified Complex System Theory(UCST) philosophy of mathematics mind-ether dualism mathematical fundamental axiom high-to-four dimensional transition boundary demarcation between mathematics and physics
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Exploration of Blended Teaching Practice in the Course of Fundamentals of Programming 认领 引用
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作者 Yongrui Cui 《Journal of Contemporary Educational Research》 2026年第2期198-205,共8页
The“Fundamentals of Programming”course employs a blended learning model that integrates online resources with offline instruction to enhance students’self-directed learning and practical skills.Powered by knowledge... The“Fundamentals of Programming”course employs a blended learning model that integrates online resources with offline instruction to enhance students’self-directed learning and practical skills.Powered by knowledge graphs,the curriculum enables personalized learning paths where students autonomously design their study plans,while instructors dynamically adjust teaching strategies based on learning data to achieve precision education.The gamified practice platform transforms grammar training into immersive gaming experiences,significantly boosting learning engagement and practical retention.The teaching strategy adopts tiered cultivation,combining macro-level projects with micro-level knowledge points to strengthen computational thinking and practical abilities.Implementation results demonstrate improved mastery of knowledge points,continuous enhancement of coding and debugging skills,and markedly strengthened learning motivation.This model creates a closed-loop system for knowledge transfer and competency development,laying a solid foundation for subsequent specialized courses.It embodies innovative concepts of knowledge graph-driven learning,gamified practice,and tiered cultivation,effectively fostering students’self-directed learning drive and critical thinking. 展开更多
关键词 Blended learning Fundamentals of Programming Knowledge graph Gamified learning Computational thinking
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Reform and Practice of Teaching Design for the Fundamentals of Artificial Intelligence Course Based on the OBE Concept 认领 引用
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作者 Ting Wang Zhiqi Zhang 《Journal of Contemporary Educational Research》 2026年第5期228-234,共7页
This paper presents an OBE(outcome-based education)oriented teaching design reform of the undergraduate course entiled Fundamentals of Artificial Intelligence,which is typically offered to students majoring in automat... This paper presents an OBE(outcome-based education)oriented teaching design reform of the undergraduate course entiled Fundamentals of Artificial Intelligence,which is typically offered to students majoring in automation,computer science,electronic engineering,and related interdisciplinary programs.Departing from the traditional textbook-driven,teacher-centered delivery model,the reform is structured around four core OBE links:(i)reverse design of course objectives mapped to graduation requirement indicators;(ii)modular reconstruction of teaching content covering AI foundations,machine learning,natural language processing,computer vision,and AI ethics integrated with contextualized projects;(iii)project-based and inquiry-driven instructional activities;and(iv)diversified formative assessment with a course-objective-assessment mapping matrix.The findings suggest that OBE-based reverse design,modular content organization,and process-oriented assessment effectively promote students’algorithmic comprehension,practical problem-solving ability,and learning engagement in AI foundational education. 展开更多
关键词 OBE concept Fundamentals of Artificial Intelligence teaching design teaching reform
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Research on the Application of“BOPPPS+Xuexitong”Blended Teaching in Mechanical Courses of Higher Vocational Colleges:Taking Fundamentals of Mechanical Design as an Example 认领 引用
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作者 Lin Xu Xiaojie Li Junjie Huang 《Journal of Contemporary Educational Research》 2026年第6期117-122,共6页
Aiming at the problems existing in the teaching of the higher vocational course Fundamentals of Mechanical Design,such as low student participation,insufficient learning interest,and abstract teaching content,this stu... Aiming at the problems existing in the teaching of the higher vocational course Fundamentals of Mechanical Design,such as low student participation,insufficient learning interest,and abstract teaching content,this study constructs a“BOPPPS+Xuexitong”blended teaching model.This model deeply integrates the six links of the BOPPPS teaching model(Bridge-in,Objective,Pre-assessment,Participatory learning,Post-assessment,Summary)with the functions of the Xuexitong platform,runs through the three stages of pre-class,during-class,and after-class,and realizes the organic connection between online and offline teaching.Taking“Composition and Classification of Hinge Four-bar Mechanisms”as an example,this paper elaborates on the teaching design process and implementation based on this model in detail.Teaching practice shows that the“BOPPPS+Xuexitong”blended teaching model effectively stimulates students’learning interest,improves classroom participation,promotes students’understanding and mastery of abstract knowledge,and enhances teaching quality.This study provides a referable practical path for the teaching reform of engineering courses in higher vocational colleges. 展开更多
关键词 BOPPPS Xuexitong Blended teaching Higher vocational education Fundamentals of Mechanical Design
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The Incorporation of Human Rights Clauses into the Constitution and the Innovation of Fundamental Rights Hermeneutics 认领 引用 被引量：1
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作者 LI Haiping XING Tao 《The Journal of Human Rights》 2025年第3期663-690,共28页
The incorporation of human rights clauses into the constitution has propelled the innovation of fundamental rights hermeneutics in terms of the subjects of the legal relationships of fundamental rights,the nature of f... The incorporation of human rights clauses into the constitution has propelled the innovation of fundamental rights hermeneutics in terms of the subjects of the legal relationships of fundamental rights,the nature of fundamental rights,the forms of state obligations,the scope of fundamental rights,among other aspects.Regarding the subjects of the legal relationships of fundamental rights,human rights clauses have expanded the subjects of fundamental rights from citizens to natural persons.They have also narrowed down the duty-bearing subjects directed by fundamental rights in clauses that do not define duty-bearing subjects from all entities to state public power.Additionally,in fundamental rights clauses that stipulate private entities as duty-bearing subjects,the duty-bearing subjects have been narrowed down from all private entities to social public power entities.In terms of the nature of fundamental rights,human rights clauses have endowed each specific basic right with dual characteristics of the right to respect and the right to protection.Regarding the forms of state obligations,human rights clauses have established the state obligations corresponding to each specific basic right as obligations to respect and to protect.In terms of the scope of fundamental rights,human rights clauses do not have the function of independently justifying unenumerated fundamental rights,but they can assist other clauses in justifying unenumerated fundamental rights,thereby expanding the scope of fundamental rights to a limited extent. 展开更多
关键词 human rights fundamental rights state obligations unenumerated fundamental rights
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An Efficient GPU Solver for Maximizing Fundamental Eigenfrequency in Large-Scale Three-Dimensional Topology Optimization 认领 引用
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作者 Tianyuan Qi Junpeng Zhao Chunjie Wang 《Computer Modeling in Engineering & Sciences》 SCIE EI 2025年第10期127-151,共25页
A major bottleneck in large-scale eigenfrequency topology optimization is the repeated solution of the generalized eigenvalue problem.This work presents an efficient graphics processing unit(GPU)solver for threedimens... A major bottleneck in large-scale eigenfrequency topology optimization is the repeated solution of the generalized eigenvalue problem.This work presents an efficient graphics processing unit(GPU)solver for threedimensional(3D)topology optimization that maximizes the fundamental eigenfrequency.The Successive Iteration of Analysis and Design(SIAD)framework is employed to avoid solving a full eigenproblem at every iteration.The sequential approximation of the eigenpairs is solved by the GPU-accelerated multigrid-preconditioned conjugate gradient(MGPCG)method to efficiently improve the eigenvectors along with the topological evolution.The cluster-mean approach is adopted to address the non-differentiability issue caused by repeated eigenfrequencies.The corresponding sensitivity analysis method is provided.The parallelized gradient-based Zhang-Paulino-Ramos Jr.(ZPR)algorithm is employed to update the design variables.The effectiveness of the proposed solver is demonstrated through two large-scale numerical examples.The first example demonstrates the accuracy,efficiency,and scalability of the proposed solver by solving a 3D optimization problem of 50.33 million elements being solved in approximately 15.2 h over 300 iterations on a single NVIDIA Tesla V100 GPU.The second example validates the effectiveness of the proposed solver in the presence of repeated eigenfrequencies.Our findings also highlight that higher-resolution models produce distinct optimized structures with higher fundamental frequencies,underscoring the necessity of large-scale topology optimization. 展开更多
关键词 Topology optimization large scale fundamental frequency GPU acceleration successive iteration of analysis and design
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Upholding Fundamental Principles and Breaking New Ground in Building China’s Independent Human Rights Knowledge System——A Theoretical Review of and Outlook for Human Rights Research in 2024 认领 引用
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作者 WANG Liwan DI Lei CHEN Feng 《The Journal of Human Rights》 2025年第2期462-501,共40页
In 2024,China’s human rights research has assumed a distinct“autonomy-oriented shift,”with scholars beginning to refine and construct uniquely Chinese and locally identifiable human rights concepts,categories,and d... In 2024,China’s human rights research has assumed a distinct“autonomy-oriented shift,”with scholars beginning to refine and construct uniquely Chinese and locally identifiable human rights concepts,categories,and discourses.Building an independent human rights knowledge system has become a core academic focus in China’s human rights research field.Upholding fundamental principles and breaking new ground are the key methodological principles for the process.China’s human rights research should be rooted in the“cultural lineage”by preserving the essence of fine traditional Chinese culture,guided by the“moral lineage”by adhering to the Marxist view on human rights,and anchored in the“Four-sphere Confidence”by upholding a distinct human rights development path,so as to define the historical coordinates and value stance of China’s independent human rights knowledge system.Meanwhile,it should maintain a high degree of openness in knowledge,theory,and methodology to address emerging rights demands and contribute to building a new global human rights governance order,so as to underscore the mission of China’s independent human rights knowledge system in the contemporary era and China’s responsibility as a major global actor.China’s human rights research should uphold the dialectical unity between the fundamental principles and innovations,and advance the systemic and theoretical interpretation of its independent human rights knowledge. 展开更多
关键词 China’s independent human rights knowledge system fundamental principles and innovations China’s human rights research China’s human rights development path identifiable human rights concepts in China
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A Study on the Argumentation and Reasoning in Recording and Review Cases:Taking Fundamental Rights Cases as an Example 认领 引用 被引量：1
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作者 QIN Wenfeng JIANG Yu 《The Journal of Human Rights》 2025年第5期1208-1232,共25页
Protecting citizens’fundamental rights is one of the basic functions of the system of recording and review,and relevant cases should fully embody this function.However,whether they are recording and review cases conc... Protecting citizens’fundamental rights is one of the basic functions of the system of recording and review,and relevant cases should fully embody this function.However,whether they are recording and review cases concerning fundamental rights or other types of recording and review cases,their argumentative logic is mainly reflected in legislative logic and policy implementation logic,ultimately aiming at the reconstruction of legal norms and featuring the nature of proactive legislation.At the same time,the argumentation of review authorities lacks technicality,with deficiencies in expounding the normative connotations of fundamental rights and social facts,making it impossible to highlight the protection of citizens’fundamental rights in review argumentation.The function of protecting fundamental rights in review argumentation should be reflected in three aspects:the function of transmitting fundamental rights values,the function of providing fundamental rights rules,and the function of taking fundamental rights as a methodology.Centering on these three points,an argumentation model for the recording and review of fundamental rights with human rights protection as the starting point should be constructed. 展开更多
关键词 recording and review fundamental rights rights protection review argumentation
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Research on the Application of MWorks Simulation Software in Circuit Fundamentals Courses in Vocational Colleges 认领 引用
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作者 Mingyue Ren 《Journal of Electronic Research and Application》 2025年第3期144-151,共8页
This article focuses on the teaching of circuit foundation courses in vocational colleges and explores in depth the application of MWorks simulation software.By analyzing the limitations of traditional circuit foundat... This article focuses on the teaching of circuit foundation courses in vocational colleges and explores in depth the application of MWorks simulation software.By analyzing the limitations of traditional circuit foundation course teaching,this article elaborates on the advantages of MWorks software in teaching,including intuitive presentation of circuit principles,provision of rich component libraries,and powerful analysis functions.Detailed teaching practice cases based on the software were introduced,such as simple circuit construction and analysis,complex circuit fault troubleshooting,etc.,and the application effect was demonstrated by comparing actual teaching data.The results show that MWorks simulation software effectively enhances students’learning interest,practical ability,and theoretical knowledge mastery,providing strong support for the improvement of the teaching quality of circuit foundation courses in vocational colleges. 展开更多
关键词 Vocational colleges Circuit fundamentals course MWorks simulation software Teaching application
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Fundamental motor skills,screen-time,and physical activity in preschoolers 认领 引用 被引量：19
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作者 E.Kipling Webster Corby K.Martin Amanda E.Staiano 《Journal of Sport and Health Science》 SCIE CAS 2019年第2期114-121,共8页
Purpose: To examine the associations among preschoolers fundamental motor skills, screen-time, physical activity(PA), and sedentary behavior(SB).Methods: Children ages 3à4 years were enrolled in a prospective obs... Purpose: To examine the associations among preschoolers fundamental motor skills, screen-time, physical activity(PA), and sedentary behavior(SB).Methods: Children ages 3à4 years were enrolled in a prospective observational trial of PA. Trained assessors conducted the Test of Gross Motor Development-3 rd edition(TGMD-3), and the Movement Assessment Battery for Children-2 nd edition, and parent-reported child screen-time and sociodemographic information. Children wore an accelerometer for 7 days to examine SB and total PA(TPA). TPA was further characterized as moderateto-vigorous PA(MVPA) or vigorous PA(VPA). Mixed linear models were calculated, controlling for age(for TGMD-3), sex, household income, and accelerometer wear time(for accelerometry models), with childcare center as a random effect. The primary analysis reported on the cross-sectional baseline data of 126 children with complete fundamental motor skill and screen-time data; a subanalysis included 88 children with complete accelerometry data.Results: Children were 3.4 § 0.5 years of age(54% girls; 46% white, 42% African American, 12% other). A total of 48% lived in households at or below the federal poverty level. Children engaged in 5.1 § 3.6 h/day of screen-time. Children's screen-time was inversely related to the Movement Assessment Battery for Children-2 nd edition, manual dexterity skills percentile(b(SE) = ?1.7(0.8), p = 0.049). In the accelerometry subsample,children engaged in 5.9 § 0.9 h/day of TPA of which 1.7 § 0.6 h/day was MVPA. Boys engaged in more MVPA and VPA and less SB compared with girls(all p < 0.05). A higher TGMD-3, total score(b(SE) = 0.4(0.2), p = 0.017) and locomotor score(b(SE) = 0.7(0.3), p = 0.018) were associated with more VPA but not with TPA or MVPA. Screen-time and television in the bedroom were not related to SB, TPA, MVPA, or VPA.Conclusion: Children's motor skills were positively related to VPA but inversely related to screen-time. Further inquiry into the implications of high exposure to screen-time in young children is needed. 展开更多
关键词 Fundamental motor skills Physical activity Preschool Screen-time
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