容迟网络DTN(Delay Tolerant Network)是物联网中的一种新型的计算机网络,该网络中的源节点和目的节点之间可能并不总是存在完整的端到端的通信链路。DTN间歇连接的特点对设计有效路由算法是巨大的挑战。文章在原有Epidemic和Prophet路...容迟网络DTN(Delay Tolerant Network)是物联网中的一种新型的计算机网络,该网络中的源节点和目的节点之间可能并不总是存在完整的端到端的通信链路。DTN间歇连接的特点对设计有效路由算法是巨大的挑战。文章在原有Epidemic和Prophet路由算法的基础上,提出了一种改进的基于节点间相遇概率的路由算法RAEPBN(Routing Algorithm Based on Encounter Probability Between Nodes),并详细介绍了该算法的路由建立过程。仿真结果表明,与现有的Epidemic和Prophet路由算法相比,RAEPBN在投递率、平均时延和网络开销上的性能均最优。展开更多
Parkinson's disease(PD)is a common degenerative disease of the central nervous system.The basic and clinical research of acupuncture therapy has witnessed several advances in the treatment of PD.The purpose of thi...Parkinson's disease(PD)is a common degenerative disease of the central nervous system.The basic and clinical research of acupuncture therapy has witnessed several advances in the treatment of PD.The purpose of this study is to provide some ideas for clinical acupuncture therapy in the treatment of PD.The authors attempt to achieve this objective by systematically organizing the clinical efficacy studies of several acupuncture therapies for PD and elaborating the mechanisms of action in terms of secretion of substantia nigra dopaminergic neurons,level of oxidative stress,inflammatory response,excitotoxicity,and mitochondrial dysfunction.展开更多
基金Supported by the National Natural Science Foundation of China under Grant Nos.9041201190612004+2 种基金60673180(国家自然科学基金)the International Science and Technology Cooperative Program of China under Grant No.2006DFA11080(科技部国际科技合作计划项目)the Research Program of Federal Ministry of Education and Research of Germany under Grant No.01BU0680(德国教研部资助项目)
文摘容迟网络DTN(Delay Tolerant Network)是物联网中的一种新型的计算机网络,该网络中的源节点和目的节点之间可能并不总是存在完整的端到端的通信链路。DTN间歇连接的特点对设计有效路由算法是巨大的挑战。文章在原有Epidemic和Prophet路由算法的基础上,提出了一种改进的基于节点间相遇概率的路由算法RAEPBN(Routing Algorithm Based on Encounter Probability Between Nodes),并详细介绍了该算法的路由建立过程。仿真结果表明,与现有的Epidemic和Prophet路由算法相比,RAEPBN在投递率、平均时延和网络开销上的性能均最优。
基金supported by the Key Project of Heilongjiang Traditional Chinese Medicine Scientific Research Fund(ZHY18-067)Scientific Research Project of Heilongjiang Health and Family Planning Commission(2017-572)Scientific Research Fund of the Second Affiliated Hospital of Heilongjiang University of Chinese Medicine(YM-201703).
文摘Parkinson's disease(PD)is a common degenerative disease of the central nervous system.The basic and clinical research of acupuncture therapy has witnessed several advances in the treatment of PD.The purpose of this study is to provide some ideas for clinical acupuncture therapy in the treatment of PD.The authors attempt to achieve this objective by systematically organizing the clinical efficacy studies of several acupuncture therapies for PD and elaborating the mechanisms of action in terms of secretion of substantia nigra dopaminergic neurons,level of oxidative stress,inflammatory response,excitotoxicity,and mitochondrial dysfunction.
