1.Deepening the network infrastructure and business systems security.Seriously implement the"communications network security management approach"(MIIT Order No.11)and communication network security series of...1.Deepening the network infrastructure and business systems security.Seriously implement the"communications network security management approach"(MIIT Order No.11)and communication network security series of standards,do a good job in grading for the record,strictly implement protective measures,regularly carry out compliance evaluation and risk assessment in a timely manner in order to eliminate safety hazards.Strengthen network and information asset manage-展开更多
The electromagnetic wave absorption of silicon carbide nanowires is improved by their uniform and diverse cross-structures.This study introduces a sustainable and high value-added method for synthesizing silicon carbi...The electromagnetic wave absorption of silicon carbide nanowires is improved by their uniform and diverse cross-structures.This study introduces a sustainable and high value-added method for synthesizing silicon carbide nanowires using lignite and waste silicon powder as raw materials through carbothermal reduction.The staggered structure of nanowires promotes the creation of interfacial polarization,impedance matching,and multiple loss mechanisms,leading to enhanced electromagnetic absorption performance.The silicon carbide nanowires demonstrate outstanding electromagnetic absorption capabilities with the minimum reflection loss of-48.09 d B at10.08 GHz and an effective absorption bandwidth(the reflection loss less than-10 d B)ranging from 8.54 to 16.68 GHz with a thickness of 2.17 mm.This research presents an innovative approach for utilizing solid waste in an environmentally friendly manner to produce broadband silicon carbide composite absorbers.展开更多
随着工业企业数字化转型进程的加快,面向互联网的新型应用层出不穷,5G专网作为支撑这一趋势的新型基础设施,其建设开始步入部署规模化、需求定制化的阶段。5G专网组网方案的规划设计应充分考虑不同工业场景的需求,灵活利用切片、用户端...随着工业企业数字化转型进程的加快,面向互联网的新型应用层出不穷,5G专网作为支撑这一趋势的新型基础设施,其建设开始步入部署规模化、需求定制化的阶段。5G专网组网方案的规划设计应充分考虑不同工业场景的需求,灵活利用切片、用户端口功能(User Port Function,UPF)分流、5G局域网(Local Area Network,LAN)等关键技术,结合虚拟专网、混合专网、物理专网等部署方式来综合制定,为5G进一步融入行业,成为赋能工业生产的关键基础设施提供支持。展开更多
文摘1.Deepening the network infrastructure and business systems security.Seriously implement the"communications network security management approach"(MIIT Order No.11)and communication network security series of standards,do a good job in grading for the record,strictly implement protective measures,regularly carry out compliance evaluation and risk assessment in a timely manner in order to eliminate safety hazards.Strengthen network and information asset manage-
基金supported by the National Natural Science Foundation of China(No.52436008)the Inner Mongolia Science and Technology Projects,China(Nos.JMRHZX20210003 and 2023YFCY0009)+3 种基金the Huaneng Group Co Ltd.,China(No.HNKJ23-H50)the National Natural Science Foundation of China(No.22408044)the China Postdoctoral Science Foundation(No.2024M761877)the National Key R&D Program of China(No.SQ2024YFD2200039)。
文摘The electromagnetic wave absorption of silicon carbide nanowires is improved by their uniform and diverse cross-structures.This study introduces a sustainable and high value-added method for synthesizing silicon carbide nanowires using lignite and waste silicon powder as raw materials through carbothermal reduction.The staggered structure of nanowires promotes the creation of interfacial polarization,impedance matching,and multiple loss mechanisms,leading to enhanced electromagnetic absorption performance.The silicon carbide nanowires demonstrate outstanding electromagnetic absorption capabilities with the minimum reflection loss of-48.09 d B at10.08 GHz and an effective absorption bandwidth(the reflection loss less than-10 d B)ranging from 8.54 to 16.68 GHz with a thickness of 2.17 mm.This research presents an innovative approach for utilizing solid waste in an environmentally friendly manner to produce broadband silicon carbide composite absorbers.
文摘随着工业企业数字化转型进程的加快,面向互联网的新型应用层出不穷,5G专网作为支撑这一趋势的新型基础设施,其建设开始步入部署规模化、需求定制化的阶段。5G专网组网方案的规划设计应充分考虑不同工业场景的需求,灵活利用切片、用户端口功能(User Port Function,UPF)分流、5G局域网(Local Area Network,LAN)等关键技术,结合虚拟专网、混合专网、物理专网等部署方式来综合制定,为5G进一步融入行业,成为赋能工业生产的关键基础设施提供支持。
