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7篇 您的检索式:作者名="Xiulei Wang"
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1SDICN: A Software Defined Deployable Framework of Information Centric Networking显示文摘the Information-Centric Networking(ICN) paradigm is proved to have the advantages of decreasing data delivery latency, enhancing user mobility, etc. However, current implementations of ICN require changing the infrastructure of Internet, which hinders its deployment and development. Meanwhile, Software Defined Networking(SDN) emerges as a viable solution to facilitate the deployment of new network paradigm without disrupting production traffic by decoupling the control plane from data forwarding plane. In this paper, the essential properties which reflect ICN working principles are summarized, and a framework called SDICN is designed in accordance to the SDN philosophy. The algorithmic frameworks of SDICN which can satisfy the essential properties are designed based on the programmability and virtualization functions of SDN. Based on Open Flow and data center technology, a prototype of SDICN is implemented. By comparing the performance with the CCNx, the SDICN is proved to be feasibility and availability.WANG Xiulei CHEN Ming HU Chao WENG Xi XING Changyou 2016China Communications2016,13,3:4
2Improved flexible Li-ion hybrid capacitors: Techniques for superior stability显示文摘Shengyang Dong Hongsen Li Junjun Wang Xiaogang Zhang Xiulei Ji 2017Nano Research2017,10,12:3
3A Flow-Based Authentication Handover Mechanism for Multi-Domain SDN Mobility Environment显示文摘The long authentication handover delay is the greatest challenge in multi-domain SDN environment. In order to solve this problem, an authentication handover mechanism under multi-SDN domain(AHMMD) is proposed in this paper. In AHMMD, firstly, when the mobility entity accesses the network for the first time, its identity and service attributes are authenticated by the flow authentication protocol, which is designed based on the asymmetric encryption key; secondly, when the mobility entity moves to the neighbor domain, the authentication information will be delivered from the current controller to the neighborhood controller through a security communication channel. In order to promote the efficiency, a handover time prediction algorithm is adopted in AHMMD. Experimental results based on our AHMMD prototype have shown that the handover delay decreases by 50% while the handover cost decreases by 60%.Ke Ding Xiulei Wang Guomin Zhang Zhen Wang Ming Chen 2017China Communications2017,14,9:1
4Experimental Analysis of the Influence of Exhaust Thermal Management on Engine NO_(x) Emission显示文摘Exhaust thermal management is essential to allow engines to meet the Euro VI emissions standards and reducing nitrogen oxide emissions is one of the most important targets being pursued nowadays.Along these lines,in the present study,engine’s thermal performances have been evaluated on the basis of a WHTC test,namely a transient engine dynamometer schedule defined by the global technical regulation(GTR)developed by the UN ECE GRPE group(the GTR is covering a world-wide harmonized heavy-duty certification(WHDC)procedure for engine exhaust emissions).The influence of thermal management on fuel consumption,intake,and tailpipe NO_(x) have been quantitatively analyzed for the overrun state.The results have shown that there can be a strong influence on the after-treatment temperatures and tailpipe NO_(x).In particular,the average temperature upstream of the diesel oxidation catalyst(DOC)has been found to increase from 245°C to 254°C,the average temperature of the selective catalytic reduction(SCR)to increase from 248°C to 253°C,the SCR’s minimum temperature to increase from 196°C to 204°C,and the peak value of the NO_(x) emissions in the low-temperature region to decrease from 73 to 51 mg/s.However,the influence of the overrun state’s thermal management strategy on the fuel consumption,the air intake,the ammonia storage,the NO_(2)/NO_(x) ratio,and the urea consumption has been observed to be relatively limited.Jinliang Zhu Xiulei Wang Guihua Wang Xianglin Zhong Zhenguo Li Zhiming Wang Ke Sun Shuzhan Bai 2022Fluid Dynamics & Materials Processing2022,18,3:1
5Burning magnesium in carbon dioxide for highly effective phosphate removal显示文摘Magnesium oxide was found to have high-phosphate-affinity as an effective component to enhance the phosphate removal ability of common adsorbent materials.However,the currently prepared MgO-based hybrid adsorbents by conventional methods still suffer from the limited low loading of MgO and inferior removal performances,much far away from practical application.In this study,an ingenious carbon coated MgO nanocomposite is designed by directly burning magnesium in CO_(2),a well-known textbook reaction.X-ray diffraction analysis,scanning electron microscope and aberration-corrected high-resolution transmission electron microscope demonstrate the sample is well prepared.Consequently,the high content of nanosized MgO combined with defect-rich carbon layer brings unprecedented phosphate removal capacity of 1135.0 mg/g,removal rate of 99% and benign compatibility with coexisting anions and solution pH.Furthermore,the removal mechanism is also investigated in detail by characterizing the sample before and after adsorption.Ying Yao Lei Yu Meiling Wang Alvin Dai Yan Zhang Qiubo Guo Yulin Lin JianguoWen Feng Wu Xiulei Ji Jun Lu 2021Carbon Energy2021,3,2:0
6Study on Habitat Forest Type and Plant Diversity of Sichuan Snub-nosed Monkey in Shennongjia National Nature Reserve显示文摘The experimental plots in representative areas of the Shennongjia Nature Reserve were established.The forest communities in Shennongjia were investigated by using TWINSPAN.The plant communities in these plots were investigated to discern the pattern of species diversity distribution along the altitudinal gradient.Theα-diversity andβ- diversity were calculated by using the data collected. Theα-diversity of the tree layer peaked in the evergreen broadleaved forest zone at low-elevation, theα-diversity of the shrub layer increased gradually at first and then decreased along the altitudinal gradient,while theα-diversity of the herb layer peaked in mid-altitude.Theβ-diversity peaked at mid-elevations where the composition of edificatory species changed.The transition zone was characterized by relatively high levels of species diversity and species turn-over rate.The overall species richness peaked in mid-altitude.The results of this research could provide a sound basis for reserve management and planning,as well as preservation of Sichuan snub-nosed monkey in this reserve.Li Guangliang Xue Yadong Zhang Yuguang Su Xiujiang Yan Jingyuan Wang Xiulei Li Diqiang 2012Chinese Forestry Science and Technology2012,11,3:0
7Carbon energy: A multidisciplinary exploration of energy technologies and carbon materials science显示文摘Today’s world is stressed by the ever-increasing demand for energy and the disastrous climate changes.New technologies that generate,convert,and store energy in a greener and more efficient way become increasingly critical in building a sustainable society.On this front,batteries,capacitors,fuel cells,and solar cells play the indispensable roles as the powers for applications,for example,electric vehicles shall mitigate our reliance on the depleting fossil fuels.It is crucial to invent new materials or technologies to improve the electrochemical performance of energy storage/conversion devices with higher energy,better power,longer cycle life,and better safety.One of the most important areas pertains to carbon-based materials.Researchers from different fields design carbon-based materials for low-cost energy devices with great portability and functionality.Shun Wang Xiulei Ji Jong Hyeok Park Jichang Wang Xin Wang 2019Carbon Energy2019,1,1:0
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