5G-R is the main type of next-generation mobile communication system for railways,offering highly reliable broadband data transmission services for intelligent railway operations.In the light of meeting the bearing de...5G-R is the main type of next-generation mobile communication system for railways,offering highly reliable broadband data transmission services for intelligent railway operations.In the light of meeting the bearing demands of the 5G-R network,a comprehensive data transmission platform is proposed.This platform enables unified accession for various data service systems and applies Software Defined Network(SDN)technology for dynamic routing selection and high-effective data forwarding.Based on shared key lightweight access authentication technology,two-way identity authentication is performed for mobile terminals and network-side devices,ensuring the legitimacy verification of heterogeneous terminals within the application domain.展开更多
In this paper,we analyze the four distinct characteristics of information on Traditional Chinese Medicine(TCM), namely epistemological information,phenomenon information, overall information, and time information. The...In this paper,we analyze the four distinct characteristics of information on Traditional Chinese Medicine(TCM), namely epistemological information,phenomenon information, overall information, and time information. These characteristics bear to some extent strong similarity to the three characteristics of "Big Data", namely integrity data, fuzzy data and correlation data, so the advent of the age of "Big Data" is bound to create good opportunities for the development of TCM informatics and is also be expected to provide methods and techniques for processing and analysis of TCM "comprehensive data".展开更多
The digital era has brought forth opportunities for economic transformation and growth.Seizing the new possibilities presented by the digital economy is crucial for adapting to changes in significant societal challeng...The digital era has brought forth opportunities for economic transformation and growth.Seizing the new possibilities presented by the digital economy is crucial for adapting to changes in significant societal challenges and driving high-quality economic development.By assessing the level of high-quality economic development in 279 cities across China from 2011 to 2020,this paper considers the national comprehensive big data pilot zones as a quasi-natural experiment.Through the utilization of a Difference-in-Differences method with multiple time periods,it investigates the driving effect of digital empowerment on the high-quality economic development of cities.The research results indicate that the high-quality economic development level of cities in the Bohai Rim,Yangtze River Delta,and southeastern coastal regions has consistently been at the forefront and most stable.Digital empowerment significantly propels the high-quality economic development of cities and exerts a greater influence on fostering shared and sustainable growth.Additionally,it is more conducive to advancing cities with higher levels,larger scales,and superior development quality of information infrastructure.Mechanism analysis demonstrates that digital empowerment primarily aligns production closer to the production possibility curve and extends its boundaries,thus driving the high-quality economic development of cities.展开更多
Introduction:Sleep is fundamental to health,yet comprehensive data characterizing sleep patterns across China’s diverse population remain scarce.This national study systematically assessed sleep behaviors among Chine...Introduction:Sleep is fundamental to health,yet comprehensive data characterizing sleep patterns across China’s diverse population remain scarce.This national study systematically assessed sleep behaviors among Chinese residents aged 15 years and above.Methods:A population-based cross-sectional survey was conducted in 2024 among individuals aged 15 years and older,using multistage stratified cluster random sampling.Trained investigators collected data on sleep duration,sleep latency,bedtime,and wake-up time through standardized questionnaires.Statistical analyses incorporated sampling weights to ensure population representativeness,and stratified analyses examined sleep patterns across a range of demographic subgroups.Results:The population-weighted mean sleep duration among Chinese residents aged 15 years and older was 7.24[95%confidence interval(CI):7.16,7.32]hours in 2024.Mean bedtime and wake-up time were 22:08(21:58,22:18)and 6:18(6:06,6:30),respectively,with a mean sleep latency of 27.45(26.39,28.51)minutes.Age-stratified analyses revealed notable sex differences in sleep duration:among adults aged 18-44 years,females slept longer than males[7.66(7.59,7.73)hours versus 7.49(7.41,7.57)hours],whereas among those aged 45-64 years,females slept less[6.82(6.72,6.92)hours versus 6.97(6.90,7.04)hours].Rural adolescents slept longer than their urban counterparts[8.39(8.14,8.64)hours versus 8.00(7.78,8.22)hours].Both education level and occupation further influenced sleep duration and timing.Conclusion:Sleep patterns among Chinese residents vary substantially by age,sex,and socio-environmental context.Effective sleep health strategies must be population-specific and tailored,rather than relying on uniform recommendations.Public health interventions should explicitly address the distinct socioeconomic and environmental determinants that shape sleep in different population segments,thereby optimizing sleep outcomes across diverse settings.展开更多
文摘5G-R is the main type of next-generation mobile communication system for railways,offering highly reliable broadband data transmission services for intelligent railway operations.In the light of meeting the bearing demands of the 5G-R network,a comprehensive data transmission platform is proposed.This platform enables unified accession for various data service systems and applies Software Defined Network(SDN)technology for dynamic routing selection and high-effective data forwarding.Based on shared key lightweight access authentication technology,two-way identity authentication is performed for mobile terminals and network-side devices,ensuring the legitimacy verification of heterogeneous terminals within the application domain.
基金Supported by the Fundamental Research Funds for the Central public welfare research institutes(No.ZZ070822)Innovative Research Team in CACMS(No.PY1306)
文摘In this paper,we analyze the four distinct characteristics of information on Traditional Chinese Medicine(TCM), namely epistemological information,phenomenon information, overall information, and time information. These characteristics bear to some extent strong similarity to the three characteristics of "Big Data", namely integrity data, fuzzy data and correlation data, so the advent of the age of "Big Data" is bound to create good opportunities for the development of TCM informatics and is also be expected to provide methods and techniques for processing and analysis of TCM "comprehensive data".
基金supported by the key project of the National Social Science Foundation of China titled"Research on Digital Inclusive Finance Empowering Small-scale Peasant Economy Modernization"(No.23AJY014)the major projects of the National Social Science Foundation of China titled"Research on Policies and Practices of Digital Inclusive Finance to Support Rural Revitalization"(No.22&ZD123)"Research on Financial Support for Continuing to Promote Rural Revitalization in Poverty-Stricken Areas"(No.21&ZD115).
文摘The digital era has brought forth opportunities for economic transformation and growth.Seizing the new possibilities presented by the digital economy is crucial for adapting to changes in significant societal challenges and driving high-quality economic development.By assessing the level of high-quality economic development in 279 cities across China from 2011 to 2020,this paper considers the national comprehensive big data pilot zones as a quasi-natural experiment.Through the utilization of a Difference-in-Differences method with multiple time periods,it investigates the driving effect of digital empowerment on the high-quality economic development of cities.The research results indicate that the high-quality economic development level of cities in the Bohai Rim,Yangtze River Delta,and southeastern coastal regions has consistently been at the forefront and most stable.Digital empowerment significantly propels the high-quality economic development of cities and exerts a greater influence on fostering shared and sustainable growth.Additionally,it is more conducive to advancing cities with higher levels,larger scales,and superior development quality of information infrastructure.Mechanism analysis demonstrates that digital empowerment primarily aligns production closer to the production possibility curve and extends its boundaries,thus driving the high-quality economic development of cities.
基金Supported by the Chinese Sleep Research Society and the General Program of the National Natural Science Foundation of China(Grant No.81872721).
文摘Introduction:Sleep is fundamental to health,yet comprehensive data characterizing sleep patterns across China’s diverse population remain scarce.This national study systematically assessed sleep behaviors among Chinese residents aged 15 years and above.Methods:A population-based cross-sectional survey was conducted in 2024 among individuals aged 15 years and older,using multistage stratified cluster random sampling.Trained investigators collected data on sleep duration,sleep latency,bedtime,and wake-up time through standardized questionnaires.Statistical analyses incorporated sampling weights to ensure population representativeness,and stratified analyses examined sleep patterns across a range of demographic subgroups.Results:The population-weighted mean sleep duration among Chinese residents aged 15 years and older was 7.24[95%confidence interval(CI):7.16,7.32]hours in 2024.Mean bedtime and wake-up time were 22:08(21:58,22:18)and 6:18(6:06,6:30),respectively,with a mean sleep latency of 27.45(26.39,28.51)minutes.Age-stratified analyses revealed notable sex differences in sleep duration:among adults aged 18-44 years,females slept longer than males[7.66(7.59,7.73)hours versus 7.49(7.41,7.57)hours],whereas among those aged 45-64 years,females slept less[6.82(6.72,6.92)hours versus 6.97(6.90,7.04)hours].Rural adolescents slept longer than their urban counterparts[8.39(8.14,8.64)hours versus 8.00(7.78,8.22)hours].Both education level and occupation further influenced sleep duration and timing.Conclusion:Sleep patterns among Chinese residents vary substantially by age,sex,and socio-environmental context.Effective sleep health strategies must be population-specific and tailored,rather than relying on uniform recommendations.Public health interventions should explicitly address the distinct socioeconomic and environmental determinants that shape sleep in different population segments,thereby optimizing sleep outcomes across diverse settings.
