Driverless car,as a direction for future automobile development,greatly improves the efficiency and safety of the traffic system.It’s one of the most popular technical fields.In recent years,driverless car has develo...Driverless car,as a direction for future automobile development,greatly improves the efficiency and safety of the traffic system.It’s one of the most popular technical fields.In recent years,driverless car has developed rapidly.The related development is concerned by governments,businesses,consumers and stakeholders widely,and most of countries have been actively studying this technology.This paper first introduces the current development of driverless car at home and abroad.Besides,the basic technologies of driverless car are briefly analyzed.In addition,the author compares the American government’s attitudes with Chinese government’s attitudes towards driverless car.Specifically,the article makes an analysis of contents of literature and periodicals at home and abroad and policies and documents which have already been published.The analysis shows that there is no great difference between the attitudes of Chinese and American governments.Both of two governments actively support the development of driverless car.Finally,this paper expounds the development direction of the driverless car field in future by dividing into two categories through road conditions:automatic driving on expressways and automatic driving in cities.展开更多
Based on reviewing the problems in limnology and watershed sciences in meeting the national demands and the development of theories and methodology, this paper proposed some challeng-ing topics to the sciences, coveri...Based on reviewing the problems in limnology and watershed sciences in meeting the national demands and the development of theories and methodology, this paper proposed some challeng-ing topics to the sciences, covering the process of lake evolution and the quantitative analysis of hu-man impacts, in-lake nutrient cycling an biogeo-chemical process, the process and mechanisms of material flow in lake-watershed system, digital watershed and the modeling of the surface pro-cess of lake-watershed, and ecosystem health and scientific management of lake- watershed.展开更多
Electroencephalogram(EEG)is one of the most important bioelectrical signals related to brain activity and plays a crucial role in clinical medicine.Driven by continuously expanding applications,the development of EEG ...Electroencephalogram(EEG)is one of the most important bioelectrical signals related to brain activity and plays a crucial role in clinical medicine.Driven by continuously expanding applications,the development of EEG materials and technology has attracted considerable attention.However,systematic analysis of the sustainable development of EEG materials and technology is still lacking.This review discusses the sustainable development of EEG materials and technology.First,the developing course of EEG is introduced to reveal its significance,particularly in clinical medicine.Then,the sustainability of the EEG materials and technology is discussed from two main aspects:integrated systems and EEG electrodes.For integrated systems,sustainability has been focused on the developing trend toward mobile EEG systems and big-data monitoring/analyzing of EEG signals.Sustainability is related to miniaturized,wireless,portable,and wearable systems that are integrated with big-data modeling techniques.For EEG electrodes and materials,sustainability has been comprehensively analyzed from three perspectives:performance of different material/structural categories,sustainablematerials for EEGelectrodes,and sustainable manufacturing technologies.In addition,sustainable applications of EEG have been presented.Finally,the sustainable development of EEG materials and technology in recent decades is summarized,revealing future possible research directions as well as urgent challenges.展开更多
文摘Driverless car,as a direction for future automobile development,greatly improves the efficiency and safety of the traffic system.It’s one of the most popular technical fields.In recent years,driverless car has developed rapidly.The related development is concerned by governments,businesses,consumers and stakeholders widely,and most of countries have been actively studying this technology.This paper first introduces the current development of driverless car at home and abroad.Besides,the basic technologies of driverless car are briefly analyzed.In addition,the author compares the American government’s attitudes with Chinese government’s attitudes towards driverless car.Specifically,the article makes an analysis of contents of literature and periodicals at home and abroad and policies and documents which have already been published.The analysis shows that there is no great difference between the attitudes of Chinese and American governments.Both of two governments actively support the development of driverless car.Finally,this paper expounds the development direction of the driverless car field in future by dividing into two categories through road conditions:automatic driving on expressways and automatic driving in cities.
文摘Based on reviewing the problems in limnology and watershed sciences in meeting the national demands and the development of theories and methodology, this paper proposed some challeng-ing topics to the sciences, covering the process of lake evolution and the quantitative analysis of hu-man impacts, in-lake nutrient cycling an biogeo-chemical process, the process and mechanisms of material flow in lake-watershed system, digital watershed and the modeling of the surface pro-cess of lake-watershed, and ecosystem health and scientific management of lake- watershed.
基金National Natural Science Foundation of China,Grant/Award Number:62271458Sichuan Province Central Government Guides Local Science and Technology Development Project,Grant/Award Number:2023ZYD0015。
文摘Electroencephalogram(EEG)is one of the most important bioelectrical signals related to brain activity and plays a crucial role in clinical medicine.Driven by continuously expanding applications,the development of EEG materials and technology has attracted considerable attention.However,systematic analysis of the sustainable development of EEG materials and technology is still lacking.This review discusses the sustainable development of EEG materials and technology.First,the developing course of EEG is introduced to reveal its significance,particularly in clinical medicine.Then,the sustainability of the EEG materials and technology is discussed from two main aspects:integrated systems and EEG electrodes.For integrated systems,sustainability has been focused on the developing trend toward mobile EEG systems and big-data monitoring/analyzing of EEG signals.Sustainability is related to miniaturized,wireless,portable,and wearable systems that are integrated with big-data modeling techniques.For EEG electrodes and materials,sustainability has been comprehensively analyzed from three perspectives:performance of different material/structural categories,sustainablematerials for EEGelectrodes,and sustainable manufacturing technologies.In addition,sustainable applications of EEG have been presented.Finally,the sustainable development of EEG materials and technology in recent decades is summarized,revealing future possible research directions as well as urgent challenges.
