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39篇 您的检索式:作者名="Ji Haibo"
    题名 作者 年代 出处 被引量
1COVID-19 Outbreak Caused by Contaminated Packaging of Imported Cold-Chain Products—Liaoning Province,China,July 2020显示文摘Summary What is known about this topic?Few major outbreaks of coronavirus disease 2019(COVID-19)have occurred in China after major nonpharmaceutical interventions and vaccines have been deployed and implemented.However,sporadic outbreaks that had high possibility to be linked to cold chain products were reported in several cities of China..What is added by this report?In July 2020,a COVID-19 outbreak occurred in Dalian,China.The investigations of this outbreak strongly suggested that the infection source was from COVID-19 virus-contaminated packaging of frozen seafood during inbound unloading personnel contact.What are the implications for public health practice?Virus contaminated paper surfaces could maintain infectivity for at least 17–24 days at-25℃.Exposure to COVID-19 virus-contaminated surfaces is a potential route for introducing the virus to a susceptible population.Countries with no domestic transmission of COVID-19 should consider introducing prevention strategies for both inbound travellers and imported goods.Several measures to prevent the introduction of the virus via cold-chain goods can be implemented.Huilai Ma1 Jianqun Zhang Ji Wang Ying Qin Cao Chen Yang Song Liang Wang Jun Meng Lingling Mao Fengqin Li Ning Li Jian Cai Yong Zhang Dayan Wang Yunting Xia Hong Wang Shaofeng Jiang Xiang Zhao Peihua Niu Wenjie Tan Tao Ma Yecheng Yao Naiying Mao Zhen Zhu Tianjiao Ji Qian Yang Baoying Huang Li Zhao Jianxing Yu Li Bai Shuangli Zhu Dongyan Wang Yan Zhang Yingwei Sun Mingchun Luan Yanhai Wang Haibo Sun Shihong Yang Zhijian Bo Xiang Ren Zhongjie Li George Fu Gao Wei Yao Wenqing Yao Zijian Feng Wenbo Xu 2021China CDC weekly2021,3,21:16
2A highly durable catalyst based on CoxMn3-xO4 nanosheets for low-temperature formaldehyde oxidation显示文摘为不稳定的有机化合物(VOC ) 的氧化的划算的催化剂对精力变换应用和环境保护批评。这个过程的主要瓶颈是能氧化的有效、稳定、划算的催化剂的发展在低温度的 HCHO。这里,一致地由锰钴氧化物 nanosheet 数组组成的先进材料在一件碳纺织品上盖住被与帖子退火相结合的一个简单阳极的电极淀积方法成功地制作处理,和罐头直接为 HCHO 作为高效的催化材料被使用消除。得益于增加的表面氧种类和改进氧化还原作用性质,同样准备的锰钴氧化物 nanosheets 为 HCHO 氧化显示出实质地更高的催化活动。催化剂完全在象 100  一样低的温度把 HCHO 变换成公司 2Yongchao Huang Kaihang Ye Haibo Li Wenjie Fan FengyiZhao Yuanming Zhang Hongbing Ji 2016Nano Research2016,9,12:10
3A Continuous Leader-following Consensus Control Strategy for a Class of Uncertain Multi-agent Systems显示文摘In this paper, we study the robust leader-following consensus problem for a class of multi-agent systems with unknown nonlinear dynamics and unknown but bounded disturbances. The control input of the leader agent is nonzero and not available to any follower agent. We first consider a class of high order chain integrator-type multi-agent systems.By employing the robust integral of the sign of the error technique, a continuous distributed control law is constructed using local information obtained from neighboring agents. Using Lyapunov analysis theory, we show that under a connected undirected information communication topology, the proposed protocol achieves semiglobal leader-following consensus. We then extend the approach to a class of more general uncertain multiagent systems. A numerical example is given to verify our proposed protocol.Chuanrui Wang Xinghu Wang Haibo Ji 2014IEEE/CAA Journal of Automatica Sinica2014,1,2:6
4Dietary nano-selenium alleviated intestinal damage of juvenile grass carp(Ctenopharyngodon idella)induced by high-fat diet:Insight from intestinal morphology,tight junction,inflammation,anti-oxidization and intestinal microbiota显示文摘In recent years,high-fat diet(HFD)has been widely applied in aquaculture,which reduces the intestinal health of cultured fish.The current study evaluated the protective effects of nano-selenium(nano-Se)on intestinal health of juvenile grass carp(Ctenopharyngodon idella)fed with HFD.A total of 135 experimental fish were fed with a regular diet(Con),a HFD(HFD)and a HFD containing nano-Se at 0.6 mg/kg(HSe)for 10 weeks.The results showed that dietary nano-Se significantly improved the survival rate and feed efficiency which were reduced by HFD in juvenile grass carp(P<0.05).Also,nano-Se(0.6 mg/kg)supplement alleviated intestinal damage caused by the HFD,thus maintaining the integrity of the intestine.Moreover,it significantly up-regulated the expression of genes related to tight junction(ZO-1,claudin-3 and occludin),anti-oxidization(GPx4a and GPx4b),and the protein of ZO-1 in the intestine of juvenile grass carp,which were depressed by the HFD(P<0.05).Furthermore,nano-Se supplementation significantly suppressed the expressions of genes related to the inflammation,including inflammatory cytokines(IL-8,IL-1β,IFN-γ,TNF-αand IL-6),signaling molecules(TLR4,p38 MAPK and NF-kB p65),and protein expression of NF-kB p65 and TNF-αin the intestine of juvenile grass carp which were induced by the HFD(P<0.05).Besides,dietary nano-Se normalized the intestinal microbiota imbalance of juvenile grass carp caused by the HFD through increasing the abundance of the beneficial bacteria,e.g.,Fusobacteria.Finally,dietary nano-Se increased the production of short chain fatty acids(SCFA)in the intestine,especially for butyric acid and caproic acid,which were negatively related to the increase of intestinal permeability and inflammation.In summary,supply of nano-Se(0.6 mg/kg)in HFD could effectively alleviate intestinal injury of juvenile grass carp by improving intestinal barrier function and reducing intestinal inflammation and oxidative stress.These positive effects may be due to the regulation of nano-Se on intestinal microbiota and the subsequently increased beneficial SCFA levels.Sha Liu Haibo Yu Pengju Li Chi Wang Guohao Liu Xiaotian Zhang Cheng Zhang Meng Qi Hong Ji 2022Animal Nutrition2022,,1:4
5Hierarchical control of a class of uncertain linear systems显示文摘Hierarchical control method which is based on a hierarchical architecture has been developed to be mainly aimed at large-scale complex systems.In order to analyse and control this kind of systems,we construct first an appropriate and low-dimensional abstract system,then synthesise and lift the control law from the obtained abstraction to the original system.As far as the linear systems with uncertain terms are concerned,this paper studies the robust control problem of high-dimensional uncertain linear systems and derives the results by employing hierarchical controlmethod.Furthermore,the LMI toolbox is allowed to be used for the computation of interface functions.Finally,our method framework is illustrated on a five-dimensional uncertain linear system.Kaihong Yang Haibo Ji 2016Journal of Control and Decision2016,3,2:3
6Flexible Si/PEDOT:PSS hybrid solar cells显示文摘因为他们的低生产费用和高效, Si 混合太阳能电池在最近的年里吸引了巨大的研究注意。然而,灵活 Si 混合太阳能电池很少由于与好灵活性制作单人赛水晶的 Si 的困难被报导了。在这研究,我们制作了灵活 Si/PEDOT : 有用一条灵巧的途径的 micro-pyramid-structured Si 轻吸收器的 PSS 混合太阳能电池。与有 4% 的力量变换效率的平面灵活混合太阳能电池相比,有 micro-pyramid-structured Si 轻吸收器的太阳能电池有 6.3% 的更高的效率。外部量效率和电气化学的阻抗光谱学大小表明有 micro-pyramid-structured Si 轻吸收器的太阳能电池在 4001,000 nm 的系列区域展出了显著轻收获的改进并且与平面房间相比有一个更小的系列电阻和更大的再结合抵抗,产出更高的效率。在机械弯曲的测试,另外,有 micro-pyramid-structured Si 轻吸收器的灵活太阳能电池在为 600 个周期弯曲以后展出了优秀表演稳定性。我们的调查结果为灵活 Si/PEDOT 的真实世界的应用程序打了基础: 在下一代的便携式的电子学的 PSS 混合太阳能电池。Shuxin Li Zhibin Pei Fei Zhou Ying Liu Haibo Hu Shulin Ji Changhui Ye 2015Nano Research2015,8,10:3
7Tectonics-palaeogeomorphology in rift basins: controlling effect on the sequence architecture显示文摘The relationship between deposition and tectonics of sedimentary basins has been a significant subject in recent years.Using typical rift basins such as the Nanpu Sag as an example,combined with the analysis of the tectonics-palaeogeomorphology of basins,we undertook a detailed study of the differences of the third-order sequences in different basins,the combination of depositional systems within the sequence framework and the distribution of depocenters and subsidence centers.Our results revealed a significant relationship between the tectonics-palaeogeomorphology of rift basins and the filling styles of sedimentary sequences.The basin structure plays a primary role in controlling the development of the third-order sequences and the boundary of these sequences is easily formed in basins with gentle slopes,shallow water and a small area.The characteristics of the tectonics-palaeogeomorphology of rift basins are dominated by half-grabens of extensional faults,which affect the temporal and spatial combination of sedimentary systems within the sequences as well as the distribution of depocenters and subsidence centers.Based on the development rules of the faults dominating the half-grabens of extensional faults,rift basins are classified into two types: the single fault segmented-linkage type and the multi-fault combination type.The main controlling factors of the temporal and spatial combination of sedimentary systems and the distribution of depocenters and subsidence centers in different basins are different.The characteristics of early segmentation and later linkage of the faults play a critical role in controlling the sedimentary system combination within the sequence framework and the temporal and spatial differences of depocenters and subsidence centers of the single fault segmented-linkage rift basins,while the differences in fault activities are the dominating factors of the multi-fault combination rift basins.Ji Hancheng Jia Haibo Sun Simin Chen Liang Tang Yang Chen Wei Geng Yikai Zhou Hang 2013Petroleum Science2013,10,4:3
8Trajectory Tracking Strategy for Gliding Hypersonic Vehicle with Aileron Stuck at an Unknown Angle显示文摘A nonlinear robust trajectory tracking strategy for a gliding hypersonic vehicle with an aileron stuck at an unknown position is presented in this paper. First, the components of translational motion dynamics perpendicular to the velocity are derived, and then a guidance law based on a time-varying sliding mode method is used to realize trajectory tracking. Furthermore, the rotational equations of motion are separated into an actuated subsystem and an unactuated subsystem. And an adaptive time-varying sliding mode attitude controller is proposed based on the actuated subsystem to track the command attitude and the tracking performance and robustness are therefore enhanced. The proposed guidance law and attitude controller make the hypersonic vehicle fly along the reference trajectory even when the aileron is stuck at an unknown angle. Finally, a hypersonic benchmark platform is used to demonstrate the effectiveness of the proposed strategy.Haibo Ji Lei Wang 2019Journal of Beijing Institute of Technology2019,28,3:2
9Investigation and analysis of the linkage mechanism and whole process cost of livestock manure organic fertilizer显示文摘In recent years,the utilization of manure resources for livestock and poultry farming has attracted a widespread attention,and manure resources utilization models suitable for different regional characteristics have formed gradually.Among them,the production of organic fertilizer from animal manure is a vital utilization method.However,there are still some problems such as high production costs,difficult sales,and the unwillingness of farmers to use organic fertilizers which have affected the breeding cycle and the sustainability of manure treatment in livestock and poultry breeding.This article selected 371 organic fertilizer plants,related farms and farmers in China,focusing on the main links of the entire process of livestock manure-organic fertilizer-farm application,and studied the mode of animal manure collection by organic fertilizer plants.The costs of organic fertilizer production and farmland application were discussed.Moreover,suggestions were made for the promotion and implementation of large-scale organic fertilizers to make good utilization of manure resources in livestock and poultry farming.Shanshan Dong Bin Sui Yujun Shen Haibo Meng Lixin Zhao Jingtao Ding Haibin Zhou Xi Zhang Hongsheng Cheng Jian Wang Ran Li Liqiu Song Pengxiang Xu Ji Li 2020International Journal of Agricultural and Biological Engineering2020,13,2:2
10Efficient white light emitting diodes based on Cu-doped ZnInS/ZnS core/shell quantum dots显示文摘Xi Yuan Jie Hua Ruosheng Zeng Dehua Zhu Wenyu Ji Pengtao Jing Xiangdong Meng Jialong Zhao Haibo Li 2014Nanotechnology2014,,43:2
11Protein phosphatase PP4 is overexpressed in human breast and lung tumors显示文摘Bo Wang Ailian Zhao Lingling Sun Xueyan Zhong Jianing Zhong Haibo Wang Minhua Cai Jing Li Yi Xu Ji Liao Jianli Sang Dipanj an Chowdhury Gerd P Pfeifer Yun Yen Xingzhi Xu 2008Cell Research2008,18,9:2
12Adaptive Integrated Guidance and Control Based on Backstepping and I nput‐to‐ S tate S tability显示文摘Han Yan Xinghu Wang Bingfeng Yu Haibo Ji 2014Asian J Control2014,,2:2
13Photonic engineering of superbroadband near-infrared emission in nanoglass composites containing hybrid metal and dielectric nanocrystals显示文摘Photonic media containing hybrid noble metal-dielectric nanocrystals(NCs)represent a wonderland of nanophotonics,with a myriad of uncharted optical functions yet to be explored.Capitalizing on the unique phase separation and spontaneous formation of Au-metal NCs in a gallosilicate glass,we fabricated Ni^2+-doped transparent nanoglass composites(GCs)containing Au-metal/γ-Ga2O3-dielectric NCs.Compared with GCs free of Au-metal NCs,the super broadband near-infrared emission of Ni^2+with a full width at half-maximum over280 nm is enhanced twice in the Au-metal/γ-Ga2O3 dual-phase GCs.A comparison is given as to the spontaneous emission(SPE)properties of Ni^2+in the dual-phase GCs when pumped resonantly and off-resonantly with the localized surface plasmon resonance band of the Au-metal NCs.The important role of the Au-metal NCs in the SPE enhancement is revealed by theoretical simulation based on the finite-element method.Combining the photonic engineering effect of hybrid Au-metal/γ-Ga2O3 NCs and the sensitization effect of Yb^3+on Ni^2+,a record-high enhancement factor of over 10 of the Ni^2+NIR emission is achieved,and optical gain is demonstrated in the GCs at the fiber communication wavelength.ZHIGANG GAO HAIBO ZHU BOCHAO SUN YINGKE JI XIAOSONG LU HAO TIAN JING REN SHU GUO JIANZHONG ZHANG JUN YANG XIANGENG MENG KATSUHISA TANAKA 2020Photonics Research2020,8,5:2
14Integrated guidance and control for dual-control missiles based on small-gain theorem 显示文摘Yah Hart Ji Haibo 2012Automatica2012,48,10:1
15Guaranteed control performance robust LQG regulator for discrete-time Markovian jump systems with uncertain noise显示文摘Robust LQG problems of discrete-time Markovian jump systems with uncertain noises are investigated. The problem addressed is the construction of perturbation upper bounds on the uncertain noise covariances so as to guarantee that the deviation of the control performance remains within the precision prescribed in actual problems. Furthermore, this regulator is capable of minimizing the worst performance in an uncertain case. A numerical example is exploited to show the validity of the method.Zhu Jin Xi Hongsheng Xiao Xiaobo Ji Haibo 2007Journal of Systems Engineering and Electronics2007,18,4:1
16Effect of interlayers on the structure and properties of TiAlN based coatings on WC-Co cemented carbide substrate显示文摘Hao Du Haibo Zhao Ji Xiong Guang Xian 2012International Journal of Refractory Metals and Hard Materials2012,,:1
17Optimal relay allocation strategy based on maximum rate in two-user multi-relay system显示文摘Cooperative communication can enhance the performance of wireless networks via relays, and so how to allocate the relay to obtain the optimal performance of system is a key issue. In this article, we consider a coop- erative system where two users communicate with the destination via relays, and these relays connect with the destination by cable. Through the theoretical derivation and analysis, we obtain the optimal relay allocation strat- egy based on the maximum rate under the condition of relays setting forwarding thresholds. The result shows that the system has the maximum transmission rate when the relays are allocated equivalently between users. Moreover, compared with the single-user system, the results prove that diversity gain has a decisive effect on the performance in low SNR. However, with the SNR increasing, the impact of diversity gain on system rate will be reduced. In high SNR, spatial freedom degree of the channel of multiple users is brought to enhance the performance instead of diversity gain. Numerical results demonstrate the validity of the allocation strategy and conclusion arrived in this study, but we do not find the similar arguments in the literature so far, for comparison with the conclusion of this study.Ji Liu Xia Lei Haibo Cao Maozhu Jin 2013Journal of Modern Transportation2013,21,1:1
18Characteristic model based adaptive controller design and analysis for a class of SISO systems显示文摘The design of an adaptive controller and stability analysis of the corresponding closed loop system are discussed for a class of SISO systems based on the characteristic model method. The obtained characteristic model is a second-order slow time-varying linear system with a compress mapping function for the system modeling error. The pole placement method is used to design the controller, and sufficient conditions for the stability of the closed loop system are obtained based on the robust control theory of slow time-varying systems with perturbations. The effectiveness of the proposed method is illustrated by two numerical examples.Jianfei HUANG Yu KANG Bin MENG Yunbo ZHAO Haibo JI 2016Science China(Information Sciences)2016,59,5:1
19Effect of interlay- ers on the structure and properties of TiAlN based coatings on WC-Co cemented carbide substrate显示文摘Du Hao Zhao Haibo Xiong Ji 2013In- ternational Journal of Refractory Metals & Hard Mate- rials2013,37,1:1
20Autonomous optical navigation of Mars probe aided by one-way Doppler measurements in capture stage显示文摘The optical navigation errors of Mars probe in the capture stage depend closely on which targets are selected to be observed in the Mars system.As for this problem,an integrated navigation scheme is proposed wherein the optical observation is aided by one-way Doppler measurements.The errors are then analyzed respectively for the optical observation and one-way Doppler measurements.The real-time calculating scheme which exploits the extended Kalman filter(EKF)framework is designed for the integrated navigation.The simulation tests demonstrate that the errors of optical navigation,which select the Mars moon as the observation target,are relatively smaller than those in the Mars-orientation optical navigation case.On one hand,the integrated navigation errors do not depend on the selecting pattern of optical observation targets.On the other hand,the integrated navigation errors are significantly reduced as compared with those in the optical-alone autonomous navigation mode.ZHANG Zhibin JI Haibo YANG Jie 2020Journal of Systems Engineering and Electronics2020,31,3:1
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