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| 1 | Collaborative Offloading Method for Digital Twin Empowered Cloud Edge Computing on Internet of Vehicles显示文摘Digital twinning and edge computing are attractive solutions to support computing-intensive and servicesensitive Internet of Vehicles applications.Most of the existing Internet of Vehicles service offloading solutions only consider edge–cloud collaboration,but the collaboration between small cell eNodeB(SCeNB)should not be ignored.Service delays far lower than offloading tasks to the cloud can be obtained through reasonable collaborative computing between nodes.The proposed framework realizes and maintains the simulation of collaboration between SCeNB nodes by constructing a digital twin that maintains SCeNB nodes in the central controller,thereby realizing user task offloading positions,sub-channel allocation,and computing resource allocation.Then an algorithm named AUC-AC is proposed,based on the dominant actor–critic network and the auction mechanism.In order to obtain a better command of global information,the convolutional block attention mechanism(CBAM)is used in the digital twin of each SCeNB node to observe its environment and learn strategies.Numerical results show that our experimental scheme is better than several baseline algorithms in terms of service delay. | Linjie Gu Mengmeng Cui Linkun Xu Xiaolong Xu | 2023 | Tsinghua Science and Technology2023，28，3： | 1 |
| 2 | Erythropoietin Ameliorates Renal Ischemia and Reperfusion Injury via Inhibiting Tubulointerstitial Inflammation显示文摘 | Linkun Hu Cheng Yang Tian Zhao Ming Xu Qunye Tang Bin Yang Ruiming Rong Tongyu Zhu | 2012 | Journal of Surgical Research2012，，1： | 1 |
| 3 | The Study on Bamboo Microfibers Isolated by Steam Explosion and Their Comprehensive Properties显示文摘To overcome the shortage of wood resources as well as to develop novel natural fibers materials,the Chimonobambusa quadrangularis(CQ)and Qiongzhuea tumidinoda(QT)planted in Southwest China were effectively isolated by the steam explosion(SE).The fine and uniform bamboo microfibers derived from CQ and QT were obtained,and their smallest average widths were 12.62μm and 16.05μm,respectively.The effects of steam explosion on the micro-morphology,chemical composition,thermal stability,crystallinity,surface wettability,and mechanical properties of bamboo microfibers were comprehensively investigated.The results showed that the relative content of cellulose in bamboo microfibers increased but the hemicellulose and lignin contents decreased after SE.The degrees of crystallinity for CQ and QT increased from 40.49%and 39.46%to 68.90%and 55.78%,respectively.The thermal stability and surface hydrophilicity were also improved.The CQ microfibers had a maximum decomposition temperature of 2.79°C,a tensile strength of 58.54 MPa,an elongation at break of 0.6%,and a water contact angle of 2.7°higher than those of the QT microfibers. | Qiushi Li Ronggang Luo Yu Chen Jinhui Xiong Bei Qiao Xijuan Chai Linkun Xie Juan Wang Lianpeng Zhang Siqun Wang Guanben Du Kaimeng Xu | 2023 | Journal of Renewable Materials2023，11，6： | 0 |
| 4 | The Rb-Sr age and geological implication of alkaline syenitic complex from Liangtun-Kuangdonggou at Gaixian,eastern Liaoning Province显示文摘Liangtun-Kuangdonggou complex, 30 km southeast of Gaixian Town, Liaoning Province, is composed of aegirine-augite hornblende syenite, aegirine-augite syenite, hornblende syenite, pyroxene syenite and syeno-aegirinolite. Rb-Sr isotopic data to the complex are reported and used for discussion of chronology and geological implication. They show that the complex occurred in early Proterozoic and is a tectonic sign of extension setting. Moreover, the date indicates that the Liaohe Group, which is metamorphic wall rock of the complex, formed over 1 900 Ma ago. | Baoliang Xu Guohan Yan Baolei Mu Linkun Tan Zhongfu He Guangsheng Qiao Renhu Zhang | 1999 | Chinese Science Bulletin1999，44，8： | 0 |
| 5 | Two new species of hydromedusa(Cnidaria)from the Leizhou Bay,the northern South China Sea显示文摘Two previously unknown species of hydromedusae,i.e.Bougainvillia leizhouensis Xu,Guo&Wang,sp.nov.and Octocannoides tetranema Xu,Guo&Wang,sp.nov.were found in plankton samples collected during oceanographic cruises along the Leizhou Bay of the northern South China Sea.All new species are described and illustrated here.Identification keys to the known species of genera Bougainvillia and Octocannoides,and the genera of family Octocannoididae are provided,respectively.In addition,the genus name Pedunculus Xu,Huang&Guo,2019 is preoccupied,and Stylogastria Xu,Huang&Guo,nom.nov.is proposed to replace it.All type specimens are deposited in the College of Ocean and Earth Sciences,Xiamen University. | Xuefeng Wang Liyi Lu Shenzeng Zhang Linkun Lin Zhenzu Xu Donghui Guo Jiaqi Huang | 2021 | Zoological Systematics2021，46，3： | 0 |
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