Due to the diversified demands of quality of service（QoS） in volume multimedia application, QoS routings for multiservice are becoming a research hotspot in low earth orbit（LEO） satellite networks. A novel QoS sat...Due to the diversified demands of quality of service（QoS） in volume multimedia application, QoS routings for multiservice are becoming a research hotspot in low earth orbit（LEO） satellite networks. A novel QoS satellite routing algorithm for multi-class traffic is proposed. The goal of the routing algorithm is to provide the distinct QoS for different traffic classes and improve the utilization of network resources. Traffic is classified into three classes and allocated priorities based on their QoS requirements, respectively. A priority queuing mechanism guarantees the algorithm to work better for high-priority classes. In order to control the congestion, a blocking probability analysis model is built up based on the Markov process theory. Finally, according to the classification link-cost metrics, routings for different classes are calculated with the distinct QoS requirments and the status of network resource. Simulations verify the performance of the routing algorithm at different time and in different regions, and results demonstrate that the algorithm has great advantages in terms of the average delay and the blocking probability. Meanwhile, the robustness issue is also discussed.展开更多
目的:探讨长效甘精胰岛素与口服降糖药联合治疗2型糖尿病的效果。方法:将86例糖尿病患者根据治疗方案不同分为对照组和观察组。对照组进行常规口服降糖药治疗,观察组在此基础上加用长效甘精胰岛素。结果:观察组患者FBG、2 h PBG、HbA_(...目的:探讨长效甘精胰岛素与口服降糖药联合治疗2型糖尿病的效果。方法:将86例糖尿病患者根据治疗方案不同分为对照组和观察组。对照组进行常规口服降糖药治疗,观察组在此基础上加用长效甘精胰岛素。结果:观察组患者FBG、2 h PBG、HbA_(1c)、FCP、2 h CP含量显著低于对照组,血糖控制率显著高于对照组,同时低血糖发生率明显低于对照组(P<0.05)。结论:口服降糖药联合长效胰岛素可有效控制2型糖尿病患者的血糖水平,提升血糖控制率,同时降低低血糖事件的发生率,安全性高,有助于提高患者的生活质量。展开更多
基金Supported by the National High Technology Research and Development Program of China(″863″Program)(2010AAxxx404)~~
文摘Due to the diversified demands of quality of service（QoS） in volume multimedia application, QoS routings for multiservice are becoming a research hotspot in low earth orbit（LEO） satellite networks. A novel QoS satellite routing algorithm for multi-class traffic is proposed. The goal of the routing algorithm is to provide the distinct QoS for different traffic classes and improve the utilization of network resources. Traffic is classified into three classes and allocated priorities based on their QoS requirements, respectively. A priority queuing mechanism guarantees the algorithm to work better for high-priority classes. In order to control the congestion, a blocking probability analysis model is built up based on the Markov process theory. Finally, according to the classification link-cost metrics, routings for different classes are calculated with the distinct QoS requirments and the status of network resource. Simulations verify the performance of the routing algorithm at different time and in different regions, and results demonstrate that the algorithm has great advantages in terms of the average delay and the blocking probability. Meanwhile, the robustness issue is also discussed.
文摘目的:探讨长效甘精胰岛素与口服降糖药联合治疗2型糖尿病的效果。方法:将86例糖尿病患者根据治疗方案不同分为对照组和观察组。对照组进行常规口服降糖药治疗,观察组在此基础上加用长效甘精胰岛素。结果:观察组患者FBG、2 h PBG、HbA_(1c)、FCP、2 h CP含量显著低于对照组,血糖控制率显著高于对照组,同时低血糖发生率明显低于对照组(P<0.05)。结论:口服降糖药联合长效胰岛素可有效控制2型糖尿病患者的血糖水平,提升血糖控制率,同时降低低血糖事件的发生率,安全性高,有助于提高患者的生活质量。
