Rechargeable aqueous Zn-ion batteries(AZIBs)are one of the most promising energy storage devices for large-scale energy storage owing to their high specific capacity,eco-friendliness,low cost and high safety.Neverthel...Rechargeable aqueous Zn-ion batteries(AZIBs)are one of the most promising energy storage devices for large-scale energy storage owing to their high specific capacity,eco-friendliness,low cost and high safety.Nevertheless,zinc metal anodes suffer from severe dendrite growth and side reactions,resulting in the inferior electrochemical performance of AZIBs.To address these problems,surface modification of zinc metal anodes is a facile and effective method to regulate the interaction between the zinc anode and an electrolyte.In this review,the current challenges and strategies for zinc metal anodes are presented.Furthermore,recent advances in surface modification strategies to improve their electrochemical performance are concluded and discussed.Finally,challenges and prospects for future development of zinc metal anodes are proposed.We hope this review will be useful for designing and fabricating highperformance AZIBs and boosting their practical applications.展开更多
Urban waterfronts are important gateways that reflect a city’s image and characteristics.Evaluating waterfront vitality and its influencing factors is critical for guiding urban waterfront planning and redevelopment....Urban waterfronts are important gateways that reflect a city’s image and characteristics.Evaluating waterfront vitality and its influencing factors is critical for guiding urban waterfront planning and redevelopment.Hourly human movement data,provided by the Baidu Heatmap,were used to explore the weekday and weekend urban vitality spatial distribution characteristics of the waterfronts of the Qinhuai River in Nanjing.Global(ordinary least squares)and local(multiscale geographically weighted regression)models revealed the influence of physicaleenvironmental characteristics(objective)and spatial experience evaluation factors(subjective)on urban vitality.(1)The Qinhuai River waterfront urban vitality agglomeration characteristics were similar between weekdays and weekends,and the core vitality areas were distributed in the dense tourism,commercial,and residential areas along the river.(2)The evaluation of catering experience had the strongest positive correlation with vitality,whereas the waterfront distance had the strongest negative correlation.(3)The influence of each factor on waterfront vitality in the study area exhibited considerable spatial differences,with attenuation trends observed from the east-to-west river sections.This study shows the urban vitality distribution characteristics of the Qinhuai River waterfront spaces.Exploring the influence of physicaleenvironmental and spatial evaluation factors on the vitality distribution can provide a scientific basis and reference for urban waterfront planning and redevelopment focusing on cultivating vitality.展开更多
This article proposes a 35D form index system to quantitatively describe the 3D form of urban blocks.Utilizing the T-distributed stochastic neighbor(TSNE)embedding algorithm for cluster analysis,the visually complex a...This article proposes a 35D form index system to quantitatively describe the 3D form of urban blocks.Utilizing the T-distributed stochastic neighbor(TSNE)embedding algorithm for cluster analysis,the visually complex and disordered urban 3D texture is translated into distinct form clusters,enabling the recognition of the overall urban form structure from the block perspective.The research methodology includes experiments conducted in the central area of Nanjing and comparative analysis in three neighboring cities:Shanghai,Hangzhou,and Suzhou.Results demonstrate the efficacy of form parameters and cluster analysis in achieving sound recognition.The four cities differ remarkably in the number and distribution structure of clusters.Shanghai has the fewest types of clusters with a compact distribution,Suzhou has the most types with a dispersed distribution,and Hangzhou and Nanjing exhibit similar characteristics,located between Shanghai and Suzhou.Correlation analysis reveals a negative relationship between the number of cluster types and the level of urban socioeconomic development in similar areas.This research implies that governments and urban planners can exploit neighborhood morphological types to devise customized spatial management and renewal strategies.The overall urban structure can be improved by strategically minimizing the quantity and distribution of neighborhood morphological types,fostering socioeconomic development.展开更多
Vocational education is an important part of the overall education system.The development of higher vocational education is one of the guiding principles of education in China.The development of teachers is an importa...Vocational education is an important part of the overall education system.The development of higher vocational education is one of the guiding principles of education in China.The development of teachers is an important support for the development of vocational education.Teachers who can teach theoretically and guide students in practical work are known as“double-qualified”teachers.Building a highly qualified and professional double-qualified teaching team is the fundamental task in modernizing vocational education.Firstly,this paper discusses the importance of“double-qualified”teachers by describing the relevant policies of the Ministry of Education in China.Secondly,it reviews the research works of early scholars.Thirdly,it analyzes the main problems of teacher training in higher education institutions.Fourthly,it proposes five suggestions for the development of a“double-qualified”teaching team in higher education institutions.A high level and professional teaching team is an important support for the high-quality development of vocational institutions.School leaders must attach great importance to the construction of a“double-qualified”teaching team and increase the support in terms of policies,institutional protection,and financial investment.展开更多
With the emergence of the loT era,wireless sensor networks will be more and more widely used.In addition to collecting,transmitting and processing simple data such as humidity,temperature and density of the dome,they ...With the emergence of the loT era,wireless sensor networks will be more and more widely used.In addition to collecting,transmitting and processing simple data such as humidity,temperature and density of the dome,they can also provide multimedia information services such as video and images.It enables more comprehensive and accurate environmental monitoring.Therefore,MSDs have a huge demand in military,daily,forestry,biomedicine and other fields.The intensive city model has obvious advantages in meeting people's diverse needs and comfortable life.Most obviously,it speeds up the rhythm of life for residents,thereby increasing efficiency and saving time.Starting from this aspect,this paper conducts a research on the evaluation index system of public built on the following areas of open space loT and mental health.In this paper,the GRNN neural network model is constructed,the mean condition is calculated,the density function can be estimated,the network output,and the schematic diagram of the generalized regression neural network is improved.Using the established system,the index in 2018 is selected as the base year,and after transformation,the standardized values of the past years are formed,which are substituted into the cells to form different matrices.The value of each cell is counted to obtain the subsystem coordination degree,and the global coordination degree is obtained through calculation.The evaluation results of ecological civilization construction and development in 2018 and 2019,2020 and 2021 were compared.The experimental data shows that compared with 2018,economic development will change from 1 to 2.000,social harmony will change from 1 to 2.480,ecological health will decrease to 0.850,environmental friendliness will decrease to 0.750,and comprehensive evaluation will decrease to 0.513.This shows that while the economy is developing this year,the construction of ecological civilization has been gradually carried out,and good results have been achieved.This reflects the effectiveness of the system.The s展开更多
Traditional clothing design models based on adaptive meshes cannot reflect.To solve this problem,a clothing simulation design model based on 3D image analysis technology is established.The model uses feature extractio...Traditional clothing design models based on adaptive meshes cannot reflect.To solve this problem,a clothing simulation design model based on 3D image analysis technology is established.The model uses feature extraction and description of image evaluation parameters,and establishes the mapping relationship between image features and simulation results by using the optimal parameter values,thereby obtaining a three-dimensional image simulation analysis environment.On the basis of this model,by obtaining the response results of clothing collision detection and the results of local adaptive processing of clothing meshes,the cutting form and actual cutting effect of clothing are determined to construct a design model.The simulation results show that compared with traditional clothing design models,clothing simulation design based on 3D image analysis technology has a better effect,with the definition of fabric folds increasing by 40%.More striking contrast between light and dark,the resolution increasing by 30%,and clothing details getting a more real manifestation.展开更多
Unlike general education,vocational education aims to nurture skilled people for various sectors in the society.The development of students’problem analysis and problem-solving skills is crucial.As an important part ...Unlike general education,vocational education aims to nurture skilled people for various sectors in the society.The development of students’problem analysis and problem-solving skills is crucial.As an important part of the vocational education system,skills competitions are considered a“booster”for improving the quality of teaching in vocational institutions.This paper examines the problem-solving skills of students in preparation for skills competition.First of all,we introduce China’s education policies and conduct a review of early scholars’views,followed by a discussion on the specific problems faced in the design of the entry for skills competition and an exploration of the process of enhancing students’problem-solving skills around these problems;we then propose several suggestions for vocational institutions to enhance their participation in skills competitions.Skills competitions provide a“special stage”for students in vocational institutions to show their abilities.The question of how this“stage”can be utilized to better improve students’abilities is worth exploring in different fields.展开更多
Campus education and social training are the two most important functions of vocational colleges.Attaching importance to campus education while neglecting social training is a long-standing problem in vocational colle...Campus education and social training are the two most important functions of vocational colleges.Attaching importance to campus education while neglecting social training is a long-standing problem in vocational colleges.Vigorously developing higher vocational education is an inevitable requirement for the high-quality development of education in China and the ardent expectation of the public.Only through the construction a scientific and efficient education and training system and the deep integration of campus education with social training can the design of complementary resources and the improvement of talent training quality take place.The vocational education and training system contains many elements.This study takes teaching resources,teaching staff,and management mechanism as the main research subject and carries out related research work.Firstly,this paper expounds the policy documents of the Chinese government and emphasizes the importance of vocational education.Secondly,the relevant research results of scholars are reviewed.Thirdly,this paper proposes several specific suggestions for the construction of key elements of the vocational education and training system.Then,the main conclusions and prospects are summarized.展开更多
Narrative Visualisation(NarVis)is the pairing of data visualisation with narrative techniques.Due to its interdisciplinary applications and scholarship,NarVis presentations often feature vastly different interpretatio...Narrative Visualisation(NarVis)is the pairing of data visualisation with narrative techniques.Due to its interdisciplinary applications and scholarship,NarVis presentations often feature vastly different interpretations of"narrative"and"visualisation",which is echoed in NarVis authoring tools.To map the morphology of how the narratives of NarVis manifest,we identify three different trajectories for the field.These trajectories are identified through an analysis of selected NarVis presentations and tools,with an emphasis on identifying how traditional narrative techniques are adopted,transposed or indeed challenged by NarVis examples.We then populate our categories with additional examples and tools,providing a foundational point of reference for NarVis scholars,authors and tool developers.展开更多
Establishing a mathematical supply-chain model is a proposition that has received attention due to its inherent benefits of evolving global supply-chain efficiencies.This paper discusses the prevailing relationships f...Establishing a mathematical supply-chain model is a proposition that has received attention due to its inherent benefits of evolving global supply-chain efficiencies.This paper discusses the prevailing relationships found within apparel supply-chain environments,and contemplates the complex issues indicated for constituting a mathematical model.Principal results identified within the data suggest,that the multifarious nature of global supply-chain activities require a degree of simplification in order to fully dilate the necessary factors which affect,each subsection of the chain.Subsequently,the research findings allowed the division of supply-chain components into subsections,which amassed a coherent method of product development activity.Concurrently,the supply-chain model was found to allow systematic mathematical formulae analysis,of cost and time,within the multiple contexts of each subsection encountered.The paper indicates the supplychain model structure,the mathematics,and considers how product analysis of cost and time can improve the comprehension of product lifecycle management.展开更多
基金supported by the National Key Research and Development Program of China(2020YFB1713500)the Chinese 02 Special Fund(2017ZX02408003)+2 种基金the Open Fund of National Joint Engineering Research Center for abrasion control and molding of metal materials(HKDNM201807)the Student Research Training Plan of Henan University of Science and Technology(2020026)the National Undergraduate Innovation and Entrepreneurship Training Program(202010464031,202110464005)。
文摘Rechargeable aqueous Zn-ion batteries(AZIBs)are one of the most promising energy storage devices for large-scale energy storage owing to their high specific capacity,eco-friendliness,low cost and high safety.Nevertheless,zinc metal anodes suffer from severe dendrite growth and side reactions,resulting in the inferior electrochemical performance of AZIBs.To address these problems,surface modification of zinc metal anodes is a facile and effective method to regulate the interaction between the zinc anode and an electrolyte.In this review,the current challenges and strategies for zinc metal anodes are presented.Furthermore,recent advances in surface modification strategies to improve their electrochemical performance are concluded and discussed.Finally,challenges and prospects for future development of zinc metal anodes are proposed.We hope this review will be useful for designing and fabricating highperformance AZIBs and boosting their practical applications.
基金funded by the Arts Project of the National Social Science Foundation of China(No.18CG197).
文摘Urban waterfronts are important gateways that reflect a city’s image and characteristics.Evaluating waterfront vitality and its influencing factors is critical for guiding urban waterfront planning and redevelopment.Hourly human movement data,provided by the Baidu Heatmap,were used to explore the weekday and weekend urban vitality spatial distribution characteristics of the waterfronts of the Qinhuai River in Nanjing.Global(ordinary least squares)and local(multiscale geographically weighted regression)models revealed the influence of physicaleenvironmental characteristics(objective)and spatial experience evaluation factors(subjective)on urban vitality.(1)The Qinhuai River waterfront urban vitality agglomeration characteristics were similar between weekdays and weekends,and the core vitality areas were distributed in the dense tourism,commercial,and residential areas along the river.(2)The evaluation of catering experience had the strongest positive correlation with vitality,whereas the waterfront distance had the strongest negative correlation.(3)The influence of each factor on waterfront vitality in the study area exhibited considerable spatial differences,with attenuation trends observed from the east-to-west river sections.This study shows the urban vitality distribution characteristics of the Qinhuai River waterfront spaces.Exploring the influence of physicaleenvironmental and spatial evaluation factors on the vitality distribution can provide a scientific basis and reference for urban waterfront planning and redevelopment focusing on cultivating vitality.
基金We would also like to express our gratitude to the fellowship of China postdoctoral science foundation(Grant No.2021M700769)“Double Innovation”Doctor of Jiangsu Province(JSSCBS20220545)for funding this research project.
文摘This article proposes a 35D form index system to quantitatively describe the 3D form of urban blocks.Utilizing the T-distributed stochastic neighbor(TSNE)embedding algorithm for cluster analysis,the visually complex and disordered urban 3D texture is translated into distinct form clusters,enabling the recognition of the overall urban form structure from the block perspective.The research methodology includes experiments conducted in the central area of Nanjing and comparative analysis in three neighboring cities:Shanghai,Hangzhou,and Suzhou.Results demonstrate the efficacy of form parameters and cluster analysis in achieving sound recognition.The four cities differ remarkably in the number and distribution structure of clusters.Shanghai has the fewest types of clusters with a compact distribution,Suzhou has the most types with a dispersed distribution,and Hangzhou and Nanjing exhibit similar characteristics,located between Shanghai and Suzhou.Correlation analysis reveals a negative relationship between the number of cluster types and the level of urban socioeconomic development in similar areas.This research implies that governments and urban planners can exploit neighborhood morphological types to devise customized spatial management and renewal strategies.The overall urban structure can be improved by strategically minimizing the quantity and distribution of neighborhood morphological types,fostering socioeconomic development.
基金This work was supported by the Project of Beijing Office for Education Sciences Planning(Project Number:AFDB21206).
文摘Vocational education is an important part of the overall education system.The development of higher vocational education is one of the guiding principles of education in China.The development of teachers is an important support for the development of vocational education.Teachers who can teach theoretically and guide students in practical work are known as“double-qualified”teachers.Building a highly qualified and professional double-qualified teaching team is the fundamental task in modernizing vocational education.Firstly,this paper discusses the importance of“double-qualified”teachers by describing the relevant policies of the Ministry of Education in China.Secondly,it reviews the research works of early scholars.Thirdly,it analyzes the main problems of teacher training in higher education institutions.Fourthly,it proposes five suggestions for the development of a“double-qualified”teaching team in higher education institutions.A high level and professional teaching team is an important support for the high-quality development of vocational institutions.School leaders must attach great importance to the construction of a“double-qualified”teaching team and increase the support in terms of policies,institutional protection,and financial investment.
文摘With the emergence of the loT era,wireless sensor networks will be more and more widely used.In addition to collecting,transmitting and processing simple data such as humidity,temperature and density of the dome,they can also provide multimedia information services such as video and images.It enables more comprehensive and accurate environmental monitoring.Therefore,MSDs have a huge demand in military,daily,forestry,biomedicine and other fields.The intensive city model has obvious advantages in meeting people's diverse needs and comfortable life.Most obviously,it speeds up the rhythm of life for residents,thereby increasing efficiency and saving time.Starting from this aspect,this paper conducts a research on the evaluation index system of public built on the following areas of open space loT and mental health.In this paper,the GRNN neural network model is constructed,the mean condition is calculated,the density function can be estimated,the network output,and the schematic diagram of the generalized regression neural network is improved.Using the established system,the index in 2018 is selected as the base year,and after transformation,the standardized values of the past years are formed,which are substituted into the cells to form different matrices.The value of each cell is counted to obtain the subsystem coordination degree,and the global coordination degree is obtained through calculation.The evaluation results of ecological civilization construction and development in 2018 and 2019,2020 and 2021 were compared.The experimental data shows that compared with 2018,economic development will change from 1 to 2.000,social harmony will change from 1 to 2.480,ecological health will decrease to 0.850,environmental friendliness will decrease to 0.750,and comprehensive evaluation will decrease to 0.513.This shows that while the economy is developing this year,the construction of ecological civilization has been gradually carried out,and good results have been achieved.This reflects the effectiveness of the system.The s
文摘Traditional clothing design models based on adaptive meshes cannot reflect.To solve this problem,a clothing simulation design model based on 3D image analysis technology is established.The model uses feature extraction and description of image evaluation parameters,and establishes the mapping relationship between image features and simulation results by using the optimal parameter values,thereby obtaining a three-dimensional image simulation analysis environment.On the basis of this model,by obtaining the response results of clothing collision detection and the results of local adaptive processing of clothing meshes,the cutting form and actual cutting effect of clothing are determined to construct a design model.The simulation results show that compared with traditional clothing design models,clothing simulation design based on 3D image analysis technology has a better effect,with the definition of fabric folds increasing by 40%.More striking contrast between light and dark,the resolution increasing by 30%,and clothing details getting a more real manifestation.
基金the project of China Vocational Education Association(Project Number:ZJS2022YB024)the project of Innovation and Development Center of Ideological and Political Work(Beijing Polytechnic),Ministry of Education(Project Number:2022X305-SXZC).
文摘Unlike general education,vocational education aims to nurture skilled people for various sectors in the society.The development of students’problem analysis and problem-solving skills is crucial.As an important part of the vocational education system,skills competitions are considered a“booster”for improving the quality of teaching in vocational institutions.This paper examines the problem-solving skills of students in preparation for skills competition.First of all,we introduce China’s education policies and conduct a review of early scholars’views,followed by a discussion on the specific problems faced in the design of the entry for skills competition and an exploration of the process of enhancing students’problem-solving skills around these problems;we then propose several suggestions for vocational institutions to enhance their participation in skills competitions.Skills competitions provide a“special stage”for students in vocational institutions to show their abilities.The question of how this“stage”can be utilized to better improve students’abilities is worth exploring in different fields.
基金the Project of Beijing Office for Education Sciences Planning(Project Number:CCDB2020135)the Project of Innovation and Development Center of Ideological and Political Work(Beijing Polytechnic),Ministry of Education(Project Number:2022X305-SXZC).
文摘Campus education and social training are the two most important functions of vocational colleges.Attaching importance to campus education while neglecting social training is a long-standing problem in vocational colleges.Vigorously developing higher vocational education is an inevitable requirement for the high-quality development of education in China and the ardent expectation of the public.Only through the construction a scientific and efficient education and training system and the deep integration of campus education with social training can the design of complementary resources and the improvement of talent training quality take place.The vocational education and training system contains many elements.This study takes teaching resources,teaching staff,and management mechanism as the main research subject and carries out related research work.Firstly,this paper expounds the policy documents of the Chinese government and emphasizes the importance of vocational education.Secondly,the relevant research results of scholars are reviewed.Thirdly,this paper proposes several specific suggestions for the construction of key elements of the vocational education and training system.Then,the main conclusions and prospects are summarized.
基金This work was supported in part by funding from Australia’s Defence Science and Technology(DST)[RG190540-A-Using Data Farming].
文摘Narrative Visualisation(NarVis)is the pairing of data visualisation with narrative techniques.Due to its interdisciplinary applications and scholarship,NarVis presentations often feature vastly different interpretations of"narrative"and"visualisation",which is echoed in NarVis authoring tools.To map the morphology of how the narratives of NarVis manifest,we identify three different trajectories for the field.These trajectories are identified through an analysis of selected NarVis presentations and tools,with an emphasis on identifying how traditional narrative techniques are adopted,transposed or indeed challenged by NarVis examples.We then populate our categories with additional examples and tools,providing a foundational point of reference for NarVis scholars,authors and tool developers.
文摘Establishing a mathematical supply-chain model is a proposition that has received attention due to its inherent benefits of evolving global supply-chain efficiencies.This paper discusses the prevailing relationships found within apparel supply-chain environments,and contemplates the complex issues indicated for constituting a mathematical model.Principal results identified within the data suggest,that the multifarious nature of global supply-chain activities require a degree of simplification in order to fully dilate the necessary factors which affect,each subsection of the chain.Subsequently,the research findings allowed the division of supply-chain components into subsections,which amassed a coherent method of product development activity.Concurrently,the supply-chain model was found to allow systematic mathematical formulae analysis,of cost and time,within the multiple contexts of each subsection encountered.The paper indicates the supplychain model structure,the mathematics,and considers how product analysis of cost and time can improve the comprehension of product lifecycle management.
