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Optimizing the sulfur-resistance and activity of perovskite oxygen carrier for chemical looping dry reforming of methane
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作者 Yuelun Li Dong Tian +6 位作者 Lei jiang Huicong Zuo LiNan Huang Mingyi Chen Jianchun Zuo Hua Wang Kongzhai Li 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2024年第9期259-271,共13页
Perovskite oxides has been attracted much attention as high-performance oxygen carriers for chemical looping reforming of methane,but they are easily inactivated by the presence of trace H_(2)S.Here,we propose to modu... Perovskite oxides has been attracted much attention as high-performance oxygen carriers for chemical looping reforming of methane,but they are easily inactivated by the presence of trace H_(2)S.Here,we propose to modulate both the activity and resistance to sulfur poisoning by dual substitution of Mo and Ni ions with the Fe-sites of LaFeO_(3)perovskite.It is found that partial substitution of Ni for Fe substantially improves the activity of LaFeO_(3)perovskite,while Ni particles prefer to grow and react with H_(2)S during the long-term successive redox process,resulting in the deactivation of oxygen carriers.With the presence of Mo in LaNi_(0.05)Fe_(0.95)O_(3−σ)perovskite,H_(2)S preferentially reacts with Mo to generate MoS_(2),and then the CO_(2)oxidation can regenerate Mo via removing sulfur.In addition,Mo can inhibit the accumulation and growth of Ni,which helps to improve the redox stability of oxygen carriers.The LaNi_(0.05)Mo_(0.07)Fe_(0.88)O_(3−σ)oxygen carrier exhibits stable and excellent performance,with the CH_(4)conversion higher than 90%during the 50 redox cycles in the presence of 50 ppm H_(2)S at 800℃.This work highlights a synergistic effect in the perovskite oxides induced by dual substitution of different cations for the development of high-performance oxygen carriers with excellent sulfur tolerance. 展开更多
关键词 Perovskite oxygen carriers Chemical looping reforming Sulfur-resistance Dual substitution SYNGAS
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Research on the Reform of the Process-Tracking Ideological and Political Assessment System in Applied Universities:Taking the Personal Finance Course as an Example 被引量:1
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作者 Jing Chen 《Journal of Contemporary Educational Research》 2024年第1期179-185,共7页
Using the Xi’an Mingde Institute of Technology students as the teaching object and the Personal Finance course as an example,we explore the reform of the ideological and political assessment system of process-trackin... Using the Xi’an Mingde Institute of Technology students as the teaching object and the Personal Finance course as an example,we explore the reform of the ideological and political assessment system of process-tracking courses in applied universities.The article analyzes the feasibility of applying the curriculum ideological and political assessment system in college courses and compares the traditional assessment system.It also proposes that applying curriculum ideological and political assessment to the college curriculum assessment system will help improve students’understanding of the“value guidance”in curriculum ideological and political education and enhance the teaching effect. 展开更多
关键词 Curriculum ideological and political education Teaching reform Curriculum assessment
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A Preliminary Study on the Rural Land System Reform in the Context of Rural Revitalization
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作者 Jinrong YANG Yimei HE +1 位作者 Zisheng YANG Linlin CAO 《Asian Agricultural Research》 2024年第6期5-10,共6页
With the deepening of reform and opening up,the rural land system has experienced the evolution from contracting to transfer to the current rural revitalization strategy,and has always been closely linked to the well-... With the deepening of reform and opening up,the rural land system has experienced the evolution from contracting to transfer to the current rural revitalization strategy,and has always been closely linked to the well-being of farmers and the vigorous development of the rural economy.The reform of this system is not only a key driving force for rural economic development,but also an important cornerstone for realizing the rural revitalization strategy.Through in-depth analysis of the connotation of rural revitalization and rural land system reform,this study discusses in detail the internal dynamic mechanism of rural land system reform driving rural revitalization,and comprehensively analyzes the current implementation of rural land system reform.On this basis,this study puts forward the strategic concept of promoting the rural land system reform in the context of rural revitalization.Studies have shown that the rural land system reform has mainly played a positive role in the following four aspects in promoting rural revitalization:providing a solid material foundation for rural revitalization,optimizing the allocation of rural resources,promoting the transformation and upgrading of rural industrial structure,and promoting rural social harmony and stability.In the context of the current rural revitalization,the rural land system reform is undoubtedly one of the core issues of China s rural development.In order to further improve this system,we need to continue to optimize and innovate the rural land transfer system,the homestead reform system,and the rural collective construction land market entry system. 展开更多
关键词 RURAL REVITALIZATION Land system reform RURAL ECONOMY
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Controllable synthesis of CuAlO_(2) via solid-phase method and its catalytic performance for methanol steam reforming to hydrogen
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作者 QING Shaojun SUN Xun +3 位作者 LI Xinglong WANG Lei WU Zhiwei WANG Jianguo 《燃料化学学报(中英文)》 EI CAS CSCD 北大核心 2024年第11期1641-1651,共11页
This study explores the controllable synthesis of CuAlO_(2) using copper hydroxide and pseudo-boehmite powders as raw materials via a simple solid-phase ball milling method,along with its catalytic performance investi... This study explores the controllable synthesis of CuAlO_(2) using copper hydroxide and pseudo-boehmite powders as raw materials via a simple solid-phase ball milling method,along with its catalytic performance investigation in methanol steam reforming(MSR).Various catalysts were prepared under different conditions,such as calcination temperature,calcination atmosphere,and heating rate.Characterization techniques including BET,XRD,XPS,SEM and H2-TPR were employed to analyze the samples.The results revealed significant effects of calcination temperature on the phase compositions,specific surface area,reduction performance,and surface properties of the CA-T catalysts.Based on the findings,a synthesis route of CuAlO_(2) via the solid-phase method was proposed,highlighting the importance of high calcination temperature,nitrogen atmosphere,and low heating rate for CuAlO_(2) formation.Catalytic evaluation data demonstrated that CuAlO_(2) could catalyze MSR without pre-reduction,with the catalytic performance of CA-T catalysts being notably influenced by calcination temperature.Among the prepared catalysts,the CA-1100 catalyst exhibited the highest catalytic activity and stability.The findings of this study might be useful for the further study of the catalytic material for sustained release catalysis,including the synthesis of catalytic materials and the regulation of sustained release catalytic performance. 展开更多
关键词 CuAlO_(2) solid-phase method methanol steam reforming sustained release catalysis calcination temperature
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Revisiting the mitigation of coke formation:Synergism between support&promoters'role toward robust yield in the CO_(2)reformation of methane
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作者 Zahra Taherian Vahid Shahed Gharahshiran +3 位作者 Xiaoxuan Wei Alireza Khataee Yeojoon Yoon Yasin Orooji 《Nano Materials Science》 EI CAS CSCD 2024年第5期536-547,共12页
CO_(2)reformation of methane(CRM)and CO_(2)methanation are two interconnected processes with significant implications for greenhouse gas reduction and sustainable energy production for industrial purposes.While Nibase... CO_(2)reformation of methane(CRM)and CO_(2)methanation are two interconnected processes with significant implications for greenhouse gas reduction and sustainable energy production for industrial purposes.While Nibased catalysis suffers from poor stability due to coke formation or sintering,we report a super stable remedy.The active sites of mesoporous MgO were loaded using wet impregnation.The incorporation of Ni and promoters altered the physical features of the catalysts.Sm–Ni/MgO showed the smallest crystallite size,specific surface area,and pore volume.The Sm–Ni/MgO catalyst was selected as the most suitable candidate for CRM,with 82%CH4 and H2/CO ratio of approximately 100%and also for CO_(2)methanation with the conversion of carbon dioxide(82%)and the selectivity toward methane reaches 100%at temperatures above 300ᵒC.Furthermore,the Sm–Ni/MgO catalyst was stable for 900 min of continuous reaction,without significant carbon deposition.This stability was largely due to the high oxygen mobility on the catalyst surface in the presence of Sm.Overall,we demonstrated the efficacy of using promoted Ni catalysts supported by mesoporous magnesia for the improved reformation of greenhouse gases. 展开更多
关键词 Mesoporous MgO Dry reforming CO_(2)methanation Oxygen vacancies PROMOTER
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FURTHER OPENING- UP IS KEY FOR CHINA’S HIGH-QUALITY DEVELOPMENT
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作者 Tom Fowdy 《China Report ASEAN》 2024年第1期64-64,共1页
The Central Economic Work Conference was held in Beijing from December 11 to 12.The conference discussed the plans,prospects and challenges for China’s economy heading into 2024,as well as evaluating the events of th... The Central Economic Work Conference was held in Beijing from December 11 to 12.The conference discussed the plans,prospects and challenges for China’s economy heading into 2024,as well as evaluating the events of this year.It goes without saying that 2023 has been a challenging year for countries around the world as the global context has been unsatisfactory.Various geopolitical tensions have created a rise in uncertainties which have led to reduced growth worldwide and sent many economies into stagnation.In light of the critical factors affecting the stability of the global economy,China’s primary economic goal corresponds with the promotion and sustaining of free trade. 展开更多
关键词 PROMOTION HEADING OPEN
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From Cooperation to Confrontation:The Collapse of the Reform Concept Led by Austria-Hungary and Russia in Macedonia(1903-1908)
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作者 GAO Jianzhi 《International Relations and Diplomacy》 2024年第2期65-71,共7页
As two major Great Powers in the geopolitics of the Balkans,the relationship between Austria-Hungary and Russia directly affected the stability of the political situation in Europe and the Balkans.At the beginning of ... As two major Great Powers in the geopolitics of the Balkans,the relationship between Austria-Hungary and Russia directly affected the stability of the political situation in Europe and the Balkans.At the beginning of the 20th century,the Austro-Russian cooperation dominated the Macedonian reforms,but with the deepening of the reforms,the structural contradictions between the two countries were fully exposed,and the original cooperative relationship went to a rupture.This drastically changed relationship became an important factor in the restructuring of relations between the Great Powers and the Balkan states before the First World War. 展开更多
关键词 Austro-Russian relations Macedonian reforms diplomatic game Balkan Region
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Reform of Theory-practice Alternating Teaching of the Introduction to Architecture Course Oriented to“Employment Priority and Integration of Industry and Education”
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作者 XU Jing MAO Mao LI Yangbo 《Journal of Landscape Research》 2024年第2期54-60,共7页
In the new era of building a socialist modernization country with the goal of promoting high-quality development,we deeply analyze the knowledge system of the Introduction to Architecture course.This analysis is based... In the new era of building a socialist modernization country with the goal of promoting high-quality development,we deeply analyze the knowledge system of the Introduction to Architecture course.This analysis is based on the cross-disciplinary specialties of local applied universities and the orientation of prioritizing employment and integrating industry and education.We propose the teaching reform of“theory-practice alternation”which is adapted to the current times and societal needs.Finally,we comprehensively summarize the effectiveness of curriculum construction,in order to provide theoretical references for the implementation of fostering character and civic virtue and deepening the reform of collaborative education mechanisms. 展开更多
关键词 Teaching reform Development trend Curriculum ideology and politics Integration of industry and education
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Teaching Reform and Practice of Functional Experiment Based on the Cultivation of Excellent Medical Talents
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作者 Wangui Yu Yun Zheng +3 位作者 Xiaochun Peng Feng Qian Zhenzhen Liu Hao Nie 《Open Journal of Applied Sciences》 2024年第7期1723-1729,共7页
In order to cultivate excellent clinical medical talents with a solid foundation, strong literacy, refined skills, excellent communication abilities, innovative thinking, and a strong focus on practicality, functional... In order to cultivate excellent clinical medical talents with a solid foundation, strong literacy, refined skills, excellent communication abilities, innovative thinking, and a strong focus on practicality, functional experiments have undergone a series of reforms in areas such as constructing new curriculum systems, improving teaching content, updating teaching equipment, introducing new teaching models, and enhancing teaching evaluation systems. 展开更多
关键词 Functional Experiment Excellent Medical Talents reform and Practice
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Research on the Joint Reformation for Public Health Services, Medical Insurance and Medical Production Circulation from the Perspective of System Science
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作者 Shi Jiatong Sun Lihua 《Asian Journal of Social Pharmacy》 2024年第3期209-215,共7页
Objective To study the linkage points in the reform of public health services,medical insurance and medical production circulation and provide countermeasures for optimizing the reform.Methods The theory of system sci... Objective To study the linkage points in the reform of public health services,medical insurance and medical production circulation and provide countermeasures for optimizing the reform.Methods The theory of system science was used to analyze the new emergent property of key linkage points in the main reform departments.Results and Conclusion The research found that four linkage points were not active,and all departments of the reform should strengthen their linkage in the following aspects.The departmental linkage in the decision-making mechanism should be strengthened,which requires to revise the assessment indicators of essential drugs in time,and carry out relevant policies.Besides,the linkage of various departments to supervise the use of medical insurance fund should be strengthened.Therefore,the National Health Commission(NHC)and National Medical Products Administration(NMPA)should play their supervisory roles.Lastly,the construction of adverse reaction data sharing platform should be improved. 展开更多
关键词 linkage reform management linkage point COUNTERMEASURE
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Research on the Teaching Reform of Building Information Modeling Course Based on“Post,Course,Competition,and Certificate”Integration
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作者 Hongjun Liu Yun He 《Journal of Contemporary Educational Research》 2024年第1期39-44,共6页
With the rapid development of information technology,the utilization of building information modeling(BIM)is increasingly prevalent in the construction industry.In order to cultivate BIM application-oriented talents c... With the rapid development of information technology,the utilization of building information modeling(BIM)is increasingly prevalent in the construction industry.In order to cultivate BIM application-oriented talents capable of effectively addressing industry development demands,this study proposes a reform plan for BIM courses that integrates post,course,competition,and certificate.The reform plan implements the teaching methods of post-course integration,competition-based teaching integration,and course certificate integration in the BIM course.It also carries out curriculum reform from four aspects:curriculum system,teaching mode,teaching content,and assessment method.Reform should be implemented to enhance students’professional and practical skills,thereby enabling them to secure improved employment opportunities and prospects for career development. 展开更多
关键词 Post-Course-Competition-Certificate BIM course Teaching reform
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Research on Teaching Reform of Landscape Engineering Course based on the Concept of CDIO
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作者 Zhefeng Li Jianpeng Hu +2 位作者 Yuan Zhang Ruodong Wu Yang Bai 《Journal of Contemporary Educational Research》 2024年第10期153-158,共6页
With the advancement of new engineering construction,it is urgent to explore the teaching reform of professional courses in the cultivation of landscape architecture professionals in combination with industry needs.In... With the advancement of new engineering construction,it is urgent to explore the teaching reform of professional courses in the cultivation of landscape architecture professionals in combination with industry needs.In order to solve the problems existing in the current Landscape Engineering course,such as traditional teaching methods,insufficient student interest,lack of practical links,and the disconnection between teaching content and industry demand.This study discusses the teaching reform of the Landscape Engineering course based on the CDIO(Conceive-Design-Implement-Operate)concept,aiming at solving the problems mentioned.Through the integration of CDIO mode,the core competencies that students should have are defined,including environmental landscape design and planning,innovative thinking,project management,and so on.The research emphasizes project-driven learning,interdisciplinary knowledge integration,and practical skill training,and puts forward strategies such as teacher training and professional development support to ensure the implementation of the reform.The purpose of the reform was to improve students’professional ability and employment competitiveness,promote the improvement of education quality and the sustainable development of the industry,and exert a positive impact on landscape engineering education and industry progress. 展开更多
关键词 CDIO Curriculum construction Teaching reform Landscape Engineering Landscape architecture
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Teaching Reform and Practice of “Mathematical Analysis” under the New Engineering Education Paradigm
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作者 Xiang Wu 《Journal of Contemporary Educational Research》 2024年第8期38-45,共8页
With the advent and promotion of the new engineering education paradigm,university mathematics courses face new challenges and opportunities.As a fundamental course for engineering majors,the reform of“Mathematical A... With the advent and promotion of the new engineering education paradigm,university mathematics courses face new challenges and opportunities.As a fundamental course for engineering majors,the reform of“Mathematical Analysis”is particularly crucial.This paper explores the necessity,specific practices,and outcomes of teaching reform in“Mathematical Analysis”within the context of the new engineering education.By reforming teaching content,methods,and assessment approaches,this study aims to enhance students’mathematical literacy and comprehensive abilities to meet the demands of the new engineering education development. 展开更多
关键词 New engineering education Mathematical Analysis Teaching reform Teaching practice
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Reform and Practice of the Course“Introduction to Computer Science”in Universities Based on the Cultivation of Computational Thinking and Systematic Abilities
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作者 Kun Zhang Zhengjie Deng +2 位作者 Qi Peng Jinyang Zhou Fuyun Li 《Journal of Contemporary Educational Research》 2024年第7期197-203,共7页
Introduction to Computer Science,as one of the fundamental courses in computer-related majors,plays an important role in the cultivation of computer professionals.However,traditional teaching models and content can no... Introduction to Computer Science,as one of the fundamental courses in computer-related majors,plays an important role in the cultivation of computer professionals.However,traditional teaching models and content can no longer fully meet the needs of modern information technology development.In response to these issues,this article introduces the concept of computational creative thinking,optimizes course content,adopts exploratory teaching methods,and innovates course assessment methods,aiming to comprehensively enhance students’computational thinking and innovative abilities.By continuously improving and promoting this teaching model,it will undoubtedly promote computer education in universities to a new level. 展开更多
关键词 Introduction to Computer Science Curriculum reform Computational thinking PRACTICE
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Teaching Reform of Veterinary Microbiology Based on the Hybrid Teaching of Ideology and Politics
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作者 Jiedan Liao 《Journal of Contemporary Educational Research》 2024年第8期302-310,共9页
The veterinary microbiology teaching team thoroughly implements the national education policy,and iteratively promotes the implementation of the teaching reform of Sanquan education.The teaching team is focused on a“... The veterinary microbiology teaching team thoroughly implements the national education policy,and iteratively promotes the implementation of the teaching reform of Sanquan education.The teaching team is focused on a“student-centered”approach to education,emphasizing the foundation of“cultivating people and nurturing the root and soul of the nation.”By integrating“knowledge exploration,skill training,and value shaping”into the talent training plan,they are reshaping curriculum objectives and emphasizing ideological education in the syllabus.The teaching content system is being reconstructed,combining multiple interactions of blended teaching with the“six-in-one”ideological education model,to achieve the educational goals of the new agricultural“in-class-extracurricular”approach.This effort provides an empirical basis for the ideological and political teaching reform of the veterinary microbiology curriculum. 展开更多
关键词 Veterinary microbiology Ideological and political teaching Educational reform
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Research on the Teaching Reform of “Big Data Analysis and Visualization” Course for College Students
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作者 Yansong Yang Xiaodan Chen 《Journal of Contemporary Educational Research》 2024年第8期59-63,共5页
Under the background of the big data era,the education of big data majors is undergoing a profound teaching reform and innovation.With the increasing role of big data technology in analysis and decision-making,updatin... Under the background of the big data era,the education of big data majors is undergoing a profound teaching reform and innovation.With the increasing role of big data technology in analysis and decision-making,updating and expanding the teaching content of big data majors has become particularly important.In the era of big data,modern enterprises have put forward new and higher demands for big data talents,which not only include traditional data analysis skills but also knowledge of data visualization and information technology.To address these challenges,big data education needs to reform and innovate in the development and utilization of teaching content,methods,and resources.This paper proposes teaching models and reform methods for big data majors and analyzes corresponding teaching reforms and innovations to meet the requirements of the new development of big data majors.The traditional classroom teaching method is no longer sufficient to meet the learning needs of students,and more dynamic and interactive teaching methods,such as case studies,flipped classrooms,and project-based learning,are becoming increasingly essential.These innovative teaching methods can more effectively cultivate students’practical operation skills and independent thinking while allowing them to better learn advanced knowledge in a real big-data environment.In addition,the paper also discusses the construction of big data processing and analysis platforms,as well as innovative teaching management and evaluation systems to improve teaching quality. 展开更多
关键词 Data science Big data technology COURSE Teaching reform
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Hybrid Teaching Reform of Veterinary Microbiology Based on the Combination of Virtual Simulation and Problem-Based Learning
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作者 Jiedan Liao 《Journal of Contemporary Educational Research》 2024年第9期1-9,共9页
The Veterinary Microbiology course is centered around the diagnosis and testing of pathogenic microorganisms,with the core value of“moral education and character development.”It reconstructs multidimensional teachin... The Veterinary Microbiology course is centered around the diagnosis and testing of pathogenic microorganisms,with the core value of“moral education and character development.”It reconstructs multidimensional teaching resources by integrating disciplinary achievements with clinical cases and implements a hybrid teaching approach combining virtual simulation and problem-based learning(PBL)through the“three stages+four models+three reflections”framework.Dual-qualification teachers employ various teaching methods,create a“six-in-one”model for ideological and political education,and conduct formative assessments based on the principles of diversified objectives and process emphasis.The hybrid teaching reform addresses issues such as fragmented knowledge,insufficient class hours,weak animal disease diagnostic abilities among students,limited application and expansion of knowledge points,and students’lack of proactive critical thinking skills.The application of hybrid teaching has shown significant advantages and effectiveness,providing a reference for teaching reform in similar microbiology courses. 展开更多
关键词 Veterinary Microbiology Hybrid teaching Virtual simulation Problem-based learning Teaching reform
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Reform and Development of English Teaching in Colleges and Universities with the Integration of ChatGPT Technology
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作者 Jie Cao Jing Cao Yuan Tao 《Journal of Contemporary Educational Research》 2024年第6期71-76,共6页
As an artificial intelligence-powered language generation model based on natural language processing,ChatGPT,like other artificial intelligence technologies,possesses super real-time dialogue capabilities and is consi... As an artificial intelligence-powered language generation model based on natural language processing,ChatGPT,like other artificial intelligence technologies,possesses super real-time dialogue capabilities and is considered an innovative and intelligent auxiliary teaching tool in the field of language learning.This article first analyzes the current state of development of artificial intelligence technologies such as ChatGPT.Secondly,it examines the challenges encountered in the reform and development of English teaching in colleges and universities in China.Lastly,it summarizes the applications and recommendations for using ChatGPT technology in college-level English teaching. 展开更多
关键词 ChatGPT Artificial intelligence technologies College English reform and development
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Reform Practice of College Students’ Employment Guidance Course under the Concept of Curriculum Ideology and Politics
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作者 Lei Yan 《Journal of Contemporary Educational Research》 2024年第8期220-225,共6页
Under the background of“fostering character and civic virtue,”higher education must effectively integrate ideological and political education.The concept of curriculum ideology and politics has become increasingly d... Under the background of“fostering character and civic virtue,”higher education must effectively integrate ideological and political education.The concept of curriculum ideology and politics has become increasingly developed and sophisticated,which can be a guiding concept for the teaching and reform practice of college students’employment guidance courses.Based on educational observation and logical analysis,this paper elaborates on the connotation of the concept of curriculum ideology and politics,analyzes the key points of the reform of college students’employment guidance courses under this concept,and affirms the value of course reform.On this basis,this paper specifically analyzes the common problems in the reform of the employment guidance course under the new concept and makes a detailed interpretation of the performance problems such as the vague course objectives and the lack of innovation in the course teaching methods.Combined with the relevant problems,this paper proposes strategies such as building the course objective system by linking the curriculum ideology and politics,and driving the teaching innovation of the course from multiple perspectives,aiming to provide more references for the corresponding course reform. 展开更多
关键词 Curriculum ideology and politics Employment guidance Curriculum reform
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Research on Innovation and Entrepreneurship Education Reform in Local Colleges and Universities under the Background of Industry-Education Integration
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作者 Shuyue Gong Lingyan Li 《Journal of Contemporary Educational Research》 2024年第11期23-27,共5页
With the continuous development of China’s economy and the continuous upgrading of market demand,the demand for talent in enterprises and industries is increasingly diversified and complex,especially innovation abili... With the continuous development of China’s economy and the continuous upgrading of market demand,the demand for talent in enterprises and industries is increasingly diversified and complex,especially innovation ability has become one of the important standards to measure the quality of talent.At the same time,the difficult employment of college students is still serious,the state has issued a series of policies to encourage college students to actively start their own businesses.In this context,local universities,as an important part of higher education,are facing the critical task of innovation and entrepreneurship education reform.This paper aims to explore the current situation,problems,and reform paths of innovation and entrepreneurship education reform in local universities under the background of the integration of industry and education,in order to improve the training quality of innovative and entrepreneurial talents. 展开更多
关键词 Industry-education integration College students BUSINESS Innovation and entrepreneurship education reform
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