针对当前算力网络安全服务发展中存在的资源池编排调度效率低下、云网安技术融合不足等关键问题,以运营商在安全服务市场面临的云网安协同创新与运营压力为研究背景,提出基于IPv6转发平面的段路由(segment routing over IPv6,SRv6)+应...针对当前算力网络安全服务发展中存在的资源池编排调度效率低下、云网安技术融合不足等关键问题,以运营商在安全服务市场面临的云网安协同创新与运营压力为研究背景,提出基于IPv6转发平面的段路由(segment routing over IPv6,SRv6)+应用响应网络(application responsive network,ARN)的算力网络安全排调度技术策略。该策略通过深度融合SRv6协议实现网络与业务端到端贯通,运用ARN提升数据面标识的简洁性和动态调度能力,构建具备高效编排调度能力的网络数据平面,支持安全业务的灵活组合和快速部署。研究成果主要包含SRv6+ARN编排调度技术架构、关键技术和可靠性保障,为运营商构建云网安协同的算力网络安全资源池提供技术支撑。展开更多
Remote sensing technologies play a vital role in our understanding of earthquakes and their impact on the Earth's surface.These technologies,including satellite imagery,aerial surveys,and advanced sensors,contribu...Remote sensing technologies play a vital role in our understanding of earthquakes and their impact on the Earth's surface.These technologies,including satellite imagery,aerial surveys,and advanced sensors,contribute significantly to our understanding of the complex nature of earthquakes.This review highlights the advancements in the integration of remote sensing technologies into earthquake studies.The combined use of satellite imagery and aerial photography in conjunction with geographic information systems(GIS)has been instrumental in showcasing the significance of fusing various types of satеllitеdata sourcеs for comprеhеnsivееarthquakеdamagеassеssmеnts.However,remote sensing encounters challenges due to limited pre-event imagery and restricted postearthquake site access.Furthеrmorе,thеapplication of dееp-lеarning mеthods in assеssingеarthquakе-damagеd buildings dеmonstratеs potеntial for furthеr progrеss in this fiеld.Overall,the utilization of remote sensing technologies has greatly enhanced our comprehension of earthquakes and their effects on the Earth's surface.The fusion of remote sensing technology with advanced data analysis methods holds tremendous potential for driving progress in earthquake studies and damage assessment.展开更多
为进一步探究长叶香茶菜[Isodon walkeri(Arn.) H. Hara]的化学成分,采用多种技术对长叶香茶菜乙醇提取物的石油醚和乙酸乙酯部分的化学成分进行了分离纯化和结构鉴定。共分离鉴定出10个化合物,分别为豆甾醇、阿魏酸二十二烷基酯、macro...为进一步探究长叶香茶菜[Isodon walkeri(Arn.) H. Hara]的化学成分,采用多种技术对长叶香茶菜乙醇提取物的石油醚和乙酸乙酯部分的化学成分进行了分离纯化和结构鉴定。共分离鉴定出10个化合物,分别为豆甾醇、阿魏酸二十二烷基酯、macrophynin E、6,12,15-三羟基-5,8,11,13-松香四烯-7-酮、β-胡萝卜苷、熊果酸、蓟黄素、迷迭香酸、咖啡酸、牡荆素。这些化合物均首次从长叶香茶菜中分离获得,并且,阿魏酸二十二烷基酯首次从香茶菜属[Isodon(Benth.) Kudo]中分离获得。展开更多
基金funded through an appointment with the Agricultural Research Service,managed by the Oak Ridge Institute for Science and Education。
文摘Remote sensing technologies play a vital role in our understanding of earthquakes and their impact on the Earth's surface.These technologies,including satellite imagery,aerial surveys,and advanced sensors,contribute significantly to our understanding of the complex nature of earthquakes.This review highlights the advancements in the integration of remote sensing technologies into earthquake studies.The combined use of satellite imagery and aerial photography in conjunction with geographic information systems(GIS)has been instrumental in showcasing the significance of fusing various types of satеllitеdata sourcеs for comprеhеnsivееarthquakеdamagеassеssmеnts.However,remote sensing encounters challenges due to limited pre-event imagery and restricted postearthquake site access.Furthеrmorе,thеapplication of dееp-lеarning mеthods in assеssingеarthquakе-damagеd buildings dеmonstratеs potеntial for furthеr progrеss in this fiеld.Overall,the utilization of remote sensing technologies has greatly enhanced our comprehension of earthquakes and their effects on the Earth's surface.The fusion of remote sensing technology with advanced data analysis methods holds tremendous potential for driving progress in earthquake studies and damage assessment.
