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Reform of Teacher-Machine-Student Interactive Teaching Model of“HarmonyOS Development Technology”Course Based on Congyou Platform
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作者 Yixian Liu Jun Guo +1 位作者 Dongming Chen Zhiliang Zhu 《计算机教育》 2026年第3期158-166,共9页
Aiming at the problems of lagging curriculum,weak practice,and single evaluation in the cultivation of HarmonyOS Development talents,this study constructs a“teacher-machine-student”ternary interactive teaching model... Aiming at the problems of lagging curriculum,weak practice,and single evaluation in the cultivation of HarmonyOS Development talents,this study constructs a“teacher-machine-student”ternary interactive teaching model based on the Congyou platform.Through the building block curriculum system,the HarmonyOS technology stack is decoupled into dynamic capability units,and a multi-disciplinary cross-case library is jointly built with Huawei,which significantly improves the synchronization of teaching content and industrial technology.This paper innovatively designs an AI collaborative teaching system,which employs knowledge graphs to plan learning paths,utilizes virtual equipment clusters to simulate development environments,and establishes a“diagnosis-feedback-enhancement”closed loop through AI-based review,thereby effectively improving students’development efficiency and code reuse rate.A three-dimensional evaluation model integrating task outcomes,process performance,and innovation is constructed,incorporating indicators such as code standardization and an innovation index to strengthen the cultivation of engineering thinking and innovative ability.Furthermore,a data-driven support platform is built to generate student competency profiles,open up the“credit-competency-certification”pathway,promote the transformation of course achievements into contributions to the Huawei ecosystem,and significantly shorten the job adaptation cycle for graduates.The research results provide a replicable paradigm for the cultivation of domestic operating system talents. 展开更多
关键词 Interactive teaching model HarmonyOS development technology Building-block curriculum system Domestic software ecosystem
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Teaching Design and Practical Research of the Food Nutrition and Health Course under the BOPPPS Teaching Model
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作者 Xiaohua HUANG 《Agricultural Biotechnology》 2026年第1期36-38,46,共4页
Guided by the"Healthy China 2030"strategy,improving national nutrition and health literacy has become a core task in public health system development.The National Nutrition Plan(2017-2030)explicitly calls fo... Guided by the"Healthy China 2030"strategy,improving national nutrition and health literacy has become a core task in public health system development.The National Nutrition Plan(2017-2030)explicitly calls for"strengthening the training of nutrition talents"and"promoting nutrition science education".As a key vehicle for this mission,the Food Nutrition and Health course in higher education urgently needs to address bottlenecks in traditional teaching,such as low knowledge application and transfer rates,insufficient student engagement,and ineffective guidance on healthy behaviors.The BOPPPS teaching model,with its structured design(Bridge-in,Objective,Pre-assessment,Participatory Learning,Post-assessment,Summary),effectively promotes the internalization of nutritional knowledge and the transformation into healthy behaviors among students by emphasizing practice-oriented teaching activities.In this study,focusing on this course,an in-depth exploration of curriculum teaching design was conducted based on the BOPPPS instructional model,aiming to deeply integrate the strategic objectives of Healthy China into the curriculum,and promote the transformation of nutritional knowledge into healthy decision-making ability.This study provides new insights for food and nutrition education. 展开更多
关键词 BOPPPS instructional model Food Nutrition and Health teaching design
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Research Progress on the Application of BOPPPS Teaching Model in Domestic Emergency Education 被引量:1
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作者 Lishuo Gao Sijia Chen +3 位作者 Yang Bai Juan Wang Qing Gao Tingting Liang 《Journal of Contemporary Educational Research》 2025年第1期32-38,共7页
The BOPPPS teaching model is a student-centered teaching model that has been widely applied in various teaching fields.This paper summarizes the overview of the BOPPPS teaching model,its application in emergency teach... The BOPPPS teaching model is a student-centered teaching model that has been widely applied in various teaching fields.This paper summarizes the overview of the BOPPPS teaching model,its application in emergency teaching and training,as well as its advantages and disadvantages,aiming to provide references for the further promotion and application of the BOPPPS teaching model in emergency education. 展开更多
关键词 BOPPPS teaching model EMERGENCY teaching TRAINING
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Application of Three-dimensional Teaching Mode in College English Teaching
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作者 刘玉红 《疯狂英语(理论版)》 2018年第2期123-124,共2页
The three-dimensional teaching mode is an integrated teaching mode,which integrates teaching design,teaching methods,teaching resources and student learning.In the English classroom,the three-dimensional teaching mode... The three-dimensional teaching mode is an integrated teaching mode,which integrates teaching design,teaching methods,teaching resources and student learning.In the English classroom,the three-dimensional teaching mode is used to make the English learning class full of vitality and to improve the effect of English classroom teaching. 展开更多
关键词 three-dimensional teaching mode college English APPLICATION
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Dynamic modeling of a three-dimensional braided composite thin plate considering braiding directions 被引量:1
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作者 Chentong GAO Huiyu SUN +1 位作者 Jianping GU W.M.HUANG 《Applied Mathematics and Mechanics(English Edition)》 2025年第1期123-138,共16页
Currently,there are a limited number of dynamic models available for braided composite plates with large overall motions,despite the incorporation of three-dimensional(3D)braided composites into rotating blade compone... Currently,there are a limited number of dynamic models available for braided composite plates with large overall motions,despite the incorporation of three-dimensional(3D)braided composites into rotating blade components.In this paper,a dynamic model of 3D 4-directional braided composite thin plates considering braiding directions is established.Based on Kirchhoff's plate assumptions,the displacement variables of the plate are expressed.By incorporating the braiding directions into the constitutive equation of the braided composites,the dynamic model of the plate considering braiding directions is obtained.The effects of the speeds,braiding directions,and braided angles on the responses of the plate with fixed-axis rotation and translational motion,respectively,are investigated.This paper presents a dynamic theory for calculating the deformation of 3D braided composite structures undergoing both translational and rotational motions.It also provides a simulation method for investigating the dynamic behavior of non-isotropic material plates in various applications. 展开更多
关键词 three-dimensional(3D)braided composite braiding direction composite thin plate large overall motion dynamic model
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Design and implementation of the BOPPPS-PBL model in the teaching of TCM surgery
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作者 Yunyang Wu Yuanyuan Meng +3 位作者 Tingru Chen Qinwufeng Gu Ling Tang Yanlong Yang 《Progress in Medical Education》 2025年第2期63-68,共6页
Surgery of Traditional Chinese Medicine(TCM)is a core course within the TCM curriculum and an indispensable clinical discipline for all medical students transitioning to professional practice.With the deepening of cur... Surgery of Traditional Chinese Medicine(TCM)is a core course within the TCM curriculum and an indispensable clinical discipline for all medical students transitioning to professional practice.With the deepening of curriculum reforms,the integrated teaching model has proven effective in helping students master basic theories and clinical skills.Among various teaching models,the Bridge-in,Learning Objectives,Pre-Assessment,Participatory Learning,Post-Assessment,and Summary(BOPPPS)model combined with Problem-Based Learning has gained widespread recognition and application.However,its application in TCM surgery education remains limited.This paper integrates the BOPPPS and problem-based learning(PBL)teaching models into the TCM surgery classroom,using eczema as a case study.This teaching design encompasses six elements:bridge-in,learning objectives,pre-assessment,participatory learning based on Problem-Based Learning,post-assessment,and summary.Potential challenges during the teaching process are also examined to enhance students’clinical critical thinking abilities,improve the quality of classroom teaching,and further cultivate high-quality TCM professionals through the application of the BOPPPS-PBL model. 展开更多
关键词 Surgery of traditional Chinese medicine BOPPPS teaching model PBL teaching model teaching design medical education
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Research on the Project-Based Teaching Model for Engineering Majors in Colleges and Universities
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作者 Hongli Zhang 《Journal of Contemporary Educational Research》 2025年第1期19-24,共6页
Based on the study of the Mechanical Design and Automation major and its relevance to teaching reform in higher education engineering programs,a project-based teaching model was introduced.This approach integrates tea... Based on the study of the Mechanical Design and Automation major and its relevance to teaching reform in higher education engineering programs,a project-based teaching model was introduced.This approach integrates teaching design,scheme argumentation,and the implementation of teaching activities with the project serving as the central framework.Course knowledge points are derived from the project topics,forming the foundation for a structured knowledge framework.The course content is modularized in alignment with the project design,enabling students to engage with professional courses on a module-by-module basis,guided by the project.Each course utilizes the project topic as a practical case,facilitating project-led teaching.A teaching system tailored to the research project is proposed,establishing a professional course structure closely linked to the project objectives. 展开更多
关键词 teaching model Project-based teaching Engineering majors teaching system
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Research on the Optimization of Digital Technology-Based Higher Education Teaching Models
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作者 Yuanwei Zhao 《Journal of Contemporary Educational Research》 2025年第6期100-105,共6页
With the advancement of digital technology,new technologies such as artificial intelligence,big data,and cloud computing have gradually permeated higher education,leading to fundamental changes in teaching and learnin... With the advancement of digital technology,new technologies such as artificial intelligence,big data,and cloud computing have gradually permeated higher education,leading to fundamental changes in teaching and learning methods.Therefore,in the process of reforming and developing higher education,it is essential to take digital technology empowering the optimization of the education industry as a breakthrough,focusing on five key areas:the construction of smart classrooms,the digital integration of teaching resources,the development of personalized learning support systems,the reform of online-offline hybrid teaching,and the intelligentization of educational management.This paper also examines the experiences,challenges,and shortcomings of typical universities in using digital technology to improve teaching quality,optimize resource allocation,and innovate teaching management models.Finally,corresponding countermeasures and suggestions are proposed to facilitate the smooth implementation of digital transformation in higher education institutions. 展开更多
关键词 Digital technology Higher education teaching model optimization Smart classroom Hybrid teaching
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Teaching-Learning-Assessment Consistency of the 5E Teaching Model and Its Application of English Picture Book Teaching in Elementary School
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作者 HE Ai-jing YUAN Ling-na HUANG Lin-lin 《Journal of Literature and Art Studies》 2025年第7期580-586,共7页
The 5E model includes Engagement,Exploration,Explanation,Elaboration,and Evaluation,with“Evaluation”at the end,conflicting with teaching learning-evaluation consistency.Thus,formative levaluation is integrated into ... The 5E model includes Engagement,Exploration,Explanation,Elaboration,and Evaluation,with“Evaluation”at the end,conflicting with teaching learning-evaluation consistency.Thus,formative levaluation is integrated into the first four stages,and a summative evaluation table is designed for the fifth,enabling students to self-evaluate and reflect.Elementary school English picture book teaching is used as an example to demonstrate the optimized model's application. 展开更多
关键词 teaching and evaluation consistency 5E teaching model elementary English picture book teaching
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A Blended Teaching Model for College English Teaching Based on the Production-Oriented Approach
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作者 Jia Song Chunhua Ren 《Journal of Contemporary Educational Research》 2025年第7期324-329,共6页
Social development puts forward higher requirements for students’English application ability and cultural literacy.This study proposes an innovative“3+2+1”blended teaching model integrating the production-oriented ... Social development puts forward higher requirements for students’English application ability and cultural literacy.This study proposes an innovative“3+2+1”blended teaching model integrating the production-oriented approach(POA)to address key challenges in college English cultural courses at application-oriented universities.The model combines three phases(pre-class,in-class,and post-class),two dimensions(online resources and offline interaction),and one overarching goal(all-round education).Through experimental implementation at three universities,results demonstrated significant improvements in student satisfaction,autonomous learning engagement,and crosscultural competence.This research provides a replicable template for enhancing both linguistic proficiency and cultural confidence in EFL contexts. 展开更多
关键词 College English teaching Blended teaching model Production-oriented approach
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Application of CBL Combined with PBL Teaching Model in Teaching Medical Imaging to Undergraduate Students Majoring in Clinical Medicine
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作者 Yu Zhang Lihong Xing +3 位作者 Yan Hou Yanan Yu Yongxia Zhao Jianing Wang 《Journal of Clinical and Nursing Research》 2025年第6期167-171,共5页
Objective:To explore the application effect of Case-based Learning(CBL)combined with Problem-Based Learning(PBL)in the teaching of medical imaging to undergraduate students majoring in clinical medicine.Methods:Underg... Objective:To explore the application effect of Case-based Learning(CBL)combined with Problem-Based Learning(PBL)in the teaching of medical imaging to undergraduate students majoring in clinical medicine.Methods:Undergraduates of clinical medicine majoring in the School of Clinical Medicine of Hebei University were selected as the research subjects and divided into the experimental group(CBL combined with PBL teaching mode)and the control group(traditional teaching mode),and the teaching effect was evaluated by the examination results and questionnaires.Results:The test scores of the experimental group were significantly better than those of the control group(P<0.05),and the satisfaction of the students in the experimental group reached more than 90%.Conclusion:CBL combined with PBL teaching mode can effectively improve the teaching quality of medical imaging in clinical medicine specialty. 展开更多
关键词 CBL PBL Medical imaging Clinical medicine teaching models
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Research and Practice of Blended Teaching of Identification of Chinese Materia Medica under TfU Model : A Case Study of the Lesson "Authentic Medicinal Materials and Quality of Traditional Chinese Medicine"
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作者 Ya GAO Xiaohua WANG +2 位作者 Lunli LAN Deqing HUANG Wenjuan XIE 《Agricultural Biotechnology》 2025年第3期67-70,共4页
In order to improve the traditional teaching model of traditional Chinese medicine identification course for graduate students of pharmacy,this paper described the research on constructing and practicing the blended t... In order to improve the traditional teaching model of traditional Chinese medicine identification course for graduate students of pharmacy,this paper described the research on constructing and practicing the blended teaching model of"online+offline"based on the teaching concept of TfU by taking the course of"Authentic Medicinal Materials and Quality of Traditional Chinese Medicine"as an example.In the preparatory phase,through resource integration and course content decomposition,it identifies"generative topics"to engage students in pre-class online discussions.During the instructional phase,"comprehension-oriented objectives"are established based on learning analytics,followed by the implementation of"understanding-focused activities"for guided inquiry in offline classrooms.The post-class phase employs online extended materials to conduct"sustained assessment"through evaluations and summaries,thereby continuously optimizing subsequent teaching practices.This pedagogical framework not only effectively cultivates investigative research thinking among graduate students but also enhances standardized management and scientific development of the teaching team.The practical research outcomes and experiences derived from this model can provide valuable references for analogous course reforms. 展开更多
关键词 TfU teaching model Identification of Chinese materia medica Blended teaching
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Three-Dimensional Prospectivity Modeling of Jinshan Ag-Au Deposit,Southern China by Weights-of-Evidence
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作者 Fan Xiao Qiuming Cheng +1 位作者 Weisheng Hou Frederik P.Agterberg 《Journal of Earth Science》 2025年第5期2038-2057,共20页
To comprehensively utilize the valuable geological map,exploration profile,borehole,and geochemical logging data and the knowledge on the formation of the Jinshan Ag-Au deposit for forecasting the exploration targets ... To comprehensively utilize the valuable geological map,exploration profile,borehole,and geochemical logging data and the knowledge on the formation of the Jinshan Ag-Au deposit for forecasting the exploration targets of concealed ore bodies,three-dimensional Mineral Prospectivity Modeling(MPM)of the deposit has been conducted using the weights-of-evidence(WofE)method.Conditional independence between evidence layers was tested,and the outline results using the prediction-volume(P-V)and Student's t-statistic methods for delineating favorable mineralization areas from continuous posterior probability map were critically compared.Four exploration targets delineated ultimately by the Student's t-statistic method for the discovery of minable ore bodies in each of the target areas were discussed in detail.The main conclusions include:(1)three-dimensional modeling of a deposit using multi-source reconnaissance data is useful for MPM in interpreting their relationships with known ore bodies;(2)WofE modeling can be used as a straightforward tool for integrating deposit model and reconnaissance data in MPM;(3)the Student's t-statistic method is more applicable in binarizing the continuous prospectivity map for exploration targeting than the PV approach;and(4)two target areas within high potential to find undiscovered ore bodies were diagnosed to guide future near-mine exploration activities of the Jinshan deposit. 展开更多
关键词 three-dimensional modeling mineral prospectivity mapping exploration targeting WEIGHTS-OF-EVIDENCE C-V fractal model Jinshan Ag-Au deposit mineral deposits economic geology
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Research and Practice of a Knowledge Graph- Driven Inquiry-Construction Double-Helix Teaching Model in High School Mathematics
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作者 Deqiang Li Haiying Zhang 《Journal of Contemporary Educational Research》 2025年第11期62-69,共8页
In the context of the“Two New”initiatives,high school mathematics instruction still grapples with three interlocking problems:knowledge fragmentation,limited cultivation of higher-order thinking,and weak alignment a... In the context of the“Two New”initiatives,high school mathematics instruction still grapples with three interlocking problems:knowledge fragmentation,limited cultivation of higher-order thinking,and weak alignment among teaching,learning,and assessment.To counter these challenges,we propose an Inquiry-Construction Double-Helix model that uses a domain-specific knowledge graph as its cognitive spine.The model interweaves two mutually reinforcing strands-student-driven inquiry and systematic knowledge construction-into a double-helix trajectory analogous to DNA replication.The Inquiry Strand is launched by authentic,situation-based tasks that shepherd students through the complete cycle:question→hypothesis→verification→reflection.The Construction Strand simultaneously externalizes,restructures,and internalizes core disciplinary concepts via visual,hierarchical knowledge graphs.Within the flow of a lesson,the two strands alternately dominate and scaffold each other,securing the co-development of conceptual understanding,procedural fluency,and mathematical literacy.Empirical evidence demonstrates that this model significantly enhances students’systematic knowledge integration,problem-solving transfer ability,and core mathematical competencies,offering a replicable and operable teaching paradigm and practical pathway for deepening high school mathematics classroom reform. 展开更多
关键词 Knowledge graph Inquiry-construction teaching model High school mathematics
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Study on the Construction and Verification of CDIO Teaching Model Based on AI Virtual Scene Data Feedback
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作者 Yanyan Wang Wenyan Qu Yuman Yuan 《Journal of Contemporary Educational Research》 2025年第10期164-173,共10页
Combining the characteristics of the course“Comprehensive Training of E-Commerce Live Streaming,”this paper embeds the CDIO(Conceive-Design-Implement-Operate)method into the live streaming training process,carries o... Combining the characteristics of the course“Comprehensive Training of E-Commerce Live Streaming,”this paper embeds the CDIO(Conceive-Design-Implement-Operate)method into the live streaming training process,carries out the virtual scene“e-commerce live streaming”course design and project-based teaching reform that integrates teaching training with learning effects,and establishes a set of cross-professional student live streaming training procedures guided by the CDIO engineering method.The training results show that the CDIO practical teaching model supported by data feedback plays an important role and significance in improving students’learning effects,and also provides some new experiences for integrating engineering thinking into the construction of new liberal arts. 展开更多
关键词 CDIO teaching model Construction and verification
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The Application of O-AMAS Teaching Model Combined with PBL Teaching in the Clinical Teaching of Neurocritical Care Trainee Nurses
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作者 Chen Chen Jiao Mi 《Journal of Clinical and Nursing Research》 2025年第10期86-94,共9页
Objective:This study’s purpose is to explore the application of the O-AMAS teaching model combined with the PBL teaching method in the clinical teaching of neurocritical care trainee nurses.Methods:The nursing studen... Objective:This study’s purpose is to explore the application of the O-AMAS teaching model combined with the PBL teaching method in the clinical teaching of neurocritical care trainee nurses.Methods:The nursing students who were doing internship in neurocritical care from June 2024 to September 2024 were set as the control group,and the traditional one-on-one teaching mode was adopted;From October 2024 to January 2025,the nursing students were set as the observation group and the course teaching based on the O-AMAS teaching model combined with PBL teaching was implemented.Results:The theoretical examination scores,operational assessment scores,teaching satisfaction,autonomous learning ability and clinical evaluation thinking ability of the two groups of nursing students were observed.The score of the experimental group was significantly higher than that of the control group(all P<0.01).Conclusion:The application of the O-AMAS teaching model combined with PBL teaching in the clinical teaching of neurocritical care intern nursing students can improve the teaching effect and cultivate the autonomous learning ability and clinical evaluation thinking ability of nursing students. 展开更多
关键词 Clinical critical thinking Neurocritical care trainee nurse O-AMAS teaching model PBL teaching method Self-directed learning ability
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Mixed integer programming modeling for the satellite three-dimensional component assignment and layout optimization problem
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作者 Yufeng XIA Xianqi CHEN +3 位作者 Zhijia LIU Weien ZHOU Wen YAO Zhongneng ZHANG 《Chinese Journal of Aeronautics》 2025年第6期427-447,共21页
Satellite Component Layout Optimization(SCLO) is crucial in satellite system design.This paper proposes a novel Satellite Three-Dimensional Component Assignment and Layout Optimization(3D-SCALO) problem tailored to en... Satellite Component Layout Optimization(SCLO) is crucial in satellite system design.This paper proposes a novel Satellite Three-Dimensional Component Assignment and Layout Optimization(3D-SCALO) problem tailored to engineering requirements, aiming to optimize satellite heat dissipation while considering constraints on static stability, 3D geometric relationships between components, and special component positions. The 3D-SCALO problem is a challenging bilevel combinatorial optimization task, involving the optimization of discrete component assignment variables in the outer layer and continuous component position variables in the inner layer,with both influencing each other. To address this issue, first, a Mixed Integer Programming(MIP) model is proposed, which reformulates the original bilevel problem into a single-level optimization problem, enabling the exploration of a more comprehensive optimization space while avoiding iterative nested optimization. Then, to model the 3D geometric relationships between components within the MIP framework, a linearized 3D Phi-function method is proposed, which handles non-overlapping and safety distance constraints between cuboid components in an explicit and effective way. Subsequently, the Finite-Rectangle Method(FRM) is proposed to manage 3D geometric constraints for complex-shaped components by approximating them with a finite set of cuboids, extending the applicability of the geometric modeling approach. Finally, the feasibility and effectiveness of the proposed MIP model are demonstrated through two numerical examples"and a real-world engineering case, which confirms its suitability for complex-shaped components and real engineering applications. 展开更多
关键词 Mixed integer programming modeling three-dimensional component assignment Layout optimization Phi-function Finite-rectangle method
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Paradigm Shift:Construction of the “One-on- One” Teaching Model in Nursing Education for Neurology Nursing Students
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作者 Youxian Tan Yu Huang +1 位作者 Li Mo Xianying Tang 《Journal of Clinical and Nursing Research》 2025年第9期81-87,共7页
With the continuous improvement of the medical industry’s requirements for the professional capabilities of nursing talents,traditional nursing teaching models can hardly meet the needs of complex nursing work in neu... With the continuous improvement of the medical industry’s requirements for the professional capabilities of nursing talents,traditional nursing teaching models can hardly meet the needs of complex nursing work in neurology.This paper focuses on nursing education for neurology nursing students and explores the construction of the“one-on-one”teaching model,aiming to achieve a paradigm shift in nursing education.By analyzing the current status of neurology nursing education,this paper identifies the problems in traditional teaching models.Combining the advantages of the“one-on-one”teaching model,it elaborates on the construction path of this model from aspects such as the selection and training of teaching instructors,the design of teaching content,the innovation of teaching methods,and the improvement of the teaching evaluation system.The research shows that the“one-on-one”teaching model can significantly enhance nursing students’mastery of professional knowledge,clinical operation skills,communication skills,and emergency response capabilities,as well as strengthen their professional identity and sense of responsibility.It provides an effective way to cultivate high-quality nursing talents who can meet the needs of neurology nursing work and promotes the innovative development of nursing education. 展开更多
关键词 NEUROLOGY Nursing students One-on-one teaching model Nursing education Paradigm shift
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Exploration and Practice of the AVIVA Teaching Model in Foreign Language Courses of Application-Oriented Universities from the Perspective of Ideological and Political Education in Courses
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作者 Huidong Zhu 《Journal of Contemporary Educational Research》 2025年第9期169-175,共7页
Ideological and political education in courses is an important task of higher education in the new era.As a crucial part of higher education,foreign language teaching needs to actively explore effective integration wi... Ideological and political education in courses is an important task of higher education in the new era.As a crucial part of higher education,foreign language teaching needs to actively explore effective integration with ideological and political education in courses.The AVIVA teaching model,a student-centered teaching model,provides new ideas for foreign language teaching.Based on an analysis of the current situation of foreign language courses in application-oriented universities,this article discusses the application strategies of the AVIVA teaching model from the perspective of ideological and political education in courses.Through specific teaching practice cases,it demonstrates the effectiveness of this model in improving students’foreign language proficiency and ideological and political literacy,providing a reference for the reform of foreign language teaching in application-oriented universities. 展开更多
关键词 Ideological and political education in courses AVIVA teaching model Application oriented universities Foreign language courses teaching practice
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The detection of keratoconus using a three-dimensional corneal model derived from anterior segment optical coherence tomography
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作者 Sang Ngoc Tran Isa S.K.Mohammed +1 位作者 Zeshan Tariq Wuqaas M.Munir 《Annals of Eye Science》 2025年第3期73-82,共10页
Background:Traditional imaging approaches to keratoconus(KCN)have thus far failed to produce a standardized approach for diagnosis.While many diagnostic modalities and metrics exist,none have proven robust enough to b... Background:Traditional imaging approaches to keratoconus(KCN)have thus far failed to produce a standardized approach for diagnosis.While many diagnostic modalities and metrics exist,none have proven robust enough to be considered a gold standard.This study aims to introduce novel metrics to differentiate between KCN and healthy corneas using three-dimensional(3D)measurements of surface area and volume.Methods:This retrospective observational study examined KCN patients along with healthy control patients between the ages of 20 and 79 years old at the University of Maryland,Baltimore.The selected patients underwent a nine-line raster scan anterior segment optical coherence tomography(AS-OCT).ImageJ was used to determine the central 6 mm of each image and each corneal image was then divided into six 1 mm segments.Free-D software was then used to render the nine different images into a 3D model to calculate corneal surface area and volume.A two-tailed Mann-Whitney test was used to assess statistical significance when comparing these subsets.Results:Thirty-three eyes with KCN,along with 33 healthy control,were enrolled.There were statistically significant differences between the healthy and KCN groups in the metric of anterior corneal surface area(13.927 vs.13.991 mm^(2),P=0.046),posterior corneal surface area(14.045 vs.14.173 mm^(2),P<0.001),and volume(8.430 vs.7.773 mm3,P<0.001)within the central 6 mm.Conclusions:3D corneal models derived from AS-OCT can be used to measure anterior corneal surface area,posterior corneal surface area,and corneal volume.All three parameters are statistically different between corneas with KCN and healthy corneas.Further study and application of these parameters may yield new methodologies for the detection of KCN. 展开更多
关键词 CORNEA ECTASIA keratoconus(KCN) anterior segment optical coherence tomography(AS-OCT) three-dimensional model(3D model)
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