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19篇 您的检索式:作者名="OU Junjie"
    题名 作者 年代 出处 被引量
1Synthesis and electrochemical properties of Zn_3V_3O_8 as novel anode material显示文摘Zn_3V_3O_8 two-dimensional micro sheets are successfully synthesized by combination of solvothermal method and heat treatment. The X-ray diffraction(XRD) and field emission scanning electron microscopy(SEM) are used to characterize the structure and morphology of the samples, and the battery testing system is used to investigate its electrochemical performance. The results show that the Zn_3V_3O_8 is successfully obtained using mix solvent(water:ethylene glycol =1:1), and the sample takes on morphology of two-dimensional sheets. The initial discharge capacity for Zn_3V_3O_8 two-dimensional micro sheets is 752.0 mAh/g at 100 mA/g in the voltage range of 0.01-3 V. After heat treatment in a tube furnace at 550 ℃, the sample had the initial discharge capacity as 1152.0 mAh/g and maintained it at 901.4 mAh/g after 100 cycles. The good electrochemical performance for Zn_3V_3O_8 two-dimensional micro sheets make it possible to be used as novel anode for lithium ion battery application.Yunxia Jin Junjie He Zaihua Ou Chuanqi Feng Guangxue Zhang 2019Chinese Chemical Letters2019,30,3:1
2A Vaccine Based on the Receptor-Binding Domain of the Spike Protein Expressed in Glycoengineered Pichia pastoris Targeting SARS-CoV-2 Stimulates Neutralizing and Protective Antibody Responses显示文摘In 2020 and 2021,severe acute respiratory syndrome coronavirus 2(SARS-CoV-2),a novel coronavirus,caused a global pandemic.Vaccines are expected to reduce the pressure of prevention and control,and have become the most effective strategy to solve the pandemic crisis.SARS-CoV-2 infects the host by binding to the cellular receptor angiotensin converting enzyme 2(ACE2)via the receptor-binding domain(RBD)of the surface spike(S)glycoprotein.In this study,a candidate vaccine based on a RBD recombinant subunit was prepared by means of a novel glycoengineered yeast Pichia pastoris expression system with characteristics of glycosylation modification similar to those of mammalian cells.The candidate vaccine effectively stimulated mice to produce high-titer anti-RBD specific antibody.Furthermore,the specific antibody titer and virus-neutralizing antibody(NAb)titer induced by the vaccine were increased significantly by the combination of the double adjuvants Al(OH)_(3) and CpG.Our results showed that the virus-NAb lasted for more than six months in mice.To summarize,we have obtained a SARS-CoV-2 vaccine based on the RBD of the S glycoprotein expressed in glycoengineered Pichia pastoris,which stimulates neutralizing and protective antibody responses.A technical route for fucose-free complex-type N-glycosylation modified recombinant subunit vaccine preparation has been established.Bo Liu Ying Yin Yuxiao Liu Tiantian Wang Peng Sun Yangqin Ou Xin Gong Xuchen Hou Jun Zhang Hongguang Ren Shiqiang Luo Qian Ke Yongming Yao Junjie Xu Jun Wu 2022Engineering2022,8,6:1
3Capillary electrochromatography with zwitterionic stationary phase on the lysine-bonded poly(glycidyl methacrylate-co-ethylene dimethacrylate) monolithic capillary column显示文摘Dong Xiaoli Dong Jing Ou Junjie 2006Eletrophoresis2006,27,17:1
4Preparation and evaluation of a molecularly imprinted polymer derivatized silica monolithic column for capillary electrochromatography and capillary liquid chromatography显示文摘OU Junjie LI Xin FENG Shun 2007Anal Chem2007,79,2:1
5Recent progress in polar stationary phases for CEC显示文摘OU Junjie DONG Jing DONG Xiaoli 2007Electrophoresis2007,28,12:1
6Determination of phenolic compounds in river water with on-line coupling bisphenol A imprinted monolithic precolumn with high perfor-mance liquid chromatography显示文摘OU Junjie HU Lianghai HU Ligang 2006Talanta2006,69,4:1
7Enantioseparation of tetrahydropalmatine and Trogers base by molecularly imprinted monolith in capillary electrochromatography显示文摘Junjie Ou Jing Dong Tuijun Tian 2007Biochem Biophys Methods2007,70,:1
8Determination of Dl-tetrahydropalmatine in Corydalis Yanhusuo by 1- tetrahydropalmatine Imprinted Monolithic Column Coupling with Reversed-phase High Performance Liquid Chromatography显示文摘Junjie Ou Liang Kong Chensong Pan 2006Journal of Chromatography A2006,1117,2:1
9Modified mi- croplane model for reinforced concrete under static and dy- namic loadings显示文摘Wang Junjie Ou Bifeng Jia Mingxiao 2011Journal of Engineering Mechanics2011,137,10:1
10显示文摘DONG Xiaoli DONG Jing OU Junjie 2007Electrophoresis2007,28,15:1
11显示文摘OU Junjie LI Xin FENG Shun 2007Anal Chem2007,79,2:1
12Highly efficient removalof phosphate by lanthanum-doped mesoporous SiO: 显示文摘Ou Encai Zhou Junjie Mao Shaochun 2007Colloids and Surfaces A:Physicochemical and Engineering Aspects2007,308,123:1
13Preparation andevaluation of a vancomycin-immobilized silica monolith as chiralstationary phase for CEC显示文摘DONG Xiaoli DONG Jing OU Junjie 2007Electrophoresis2007,28,15:1
14Preparation and evaluationof a molecularly imprinted polymer derivatized silica monolithiccolumn for capillary electrochromatogcaphy and capillary liquidchromatography显示文摘OU Junjie LI Xin FENG Shun 2007Anal Chem2007,79,2:1
15Diagnostic Quantification of the Cloud Water Resource in China during 2000–2019显示文摘By using the diagnostic quantification method for cloud water resource(CWR),the three-dimensional(3D)cloud fields of 1°×1°resolution during 2000-2019 in China are firstly obtained based on the NCEP reanalysis data and related satellite data.Then,combined with the Global Precipitation Climatology Project(GPCP)products,a 1°×1°gridded CWR dataset of China in recent 20 years is established.On this basis,the monthly and annual CWR and related variables in China and its six weather modification operation sub-regions are obtained,and the CWR characteristics in different regions are analyzed finally.The results show that in the past 20 years,the annual total amount of atmospheric hydrometeors(GM_(h))and water vapor(GM_(v))in the Chinese mainland are about 838.1 and 3835.9 mm,respectively.After deducting the annual mean precipitation of China(P_(s),661.7 mm),the annual CWR is about 176.4 mm.Among the six sub-regions,the southeast region has the largest amount of cloud condensation(C_(vh))and precipitation,leading to the largest GM_(h) and CWR there.In contrast,the annual P_(s),GM_(h),and CWR are all the least in the northwest region.Furthermore,the monthly and interannual variation trends of P_(s),C_(vh),and GM_(h) in different regions are identical,and the evolution characteristics of CWR are also consistent with the hydrometeor inflow(Q_(hi)).For the north,northwest,and northeast regions,in spring and autumn the precipitation efficiency of hydrometeors(PEh)is not high(20%-60%),the renewal time of hydrometeors(RT_(h))is relatively long(5-25 h),and GM_(h) is relatively high.Therefore,there is great potential for the development of CWR through artificial precipitation enhancement(APE).For the central region,spring,autumn,and winter are suitable seasons for CWR development.For the southeast and southwest regions,P_(s) and PE_(h) in summer are so high that the development of CWR should be avoided.For different spatial scales,there are significant differences in the characteristics of CWR.Miao CAI Yuquan ZHOU Jianzhao LIU Yahui TANG Chao TAN Junjie ZHAO Jianjun OU 2022Journal of Meteorological Research2022,36,2:0
16Defect evolution in GaN thin film heterogeneously integrated with CMOS-compatible Si(100)substrate by ion-cutting technology显示文摘Ion-cutting technology is an ingenious solution to the highquality heterogeneous integration of Ga N thin films with CMOS-compatible Si(100)substrate,which provides a platform to combine Ga N-based optoelectronics,high-frequency and high-power electronics with digital signal processing,logic computation,and control of Si(100)CMOS[1].Hangning SHI Ailun YI Jiaxin DING Xudong LIU Qingcheng QIN Juemin YI Junjie HU Miao WANG Demin CAI Jianfeng WANG Ke XU Fengwen MU Tadatomo SUGA RenéHELLER Mao WANG Shengqiang ZHOU Wenhui XU Kai HUANG Tiangui YOU Xin OU 2023Science China(Information Sciences)2023,66,11:0
17Growth hormone promotes the reconstruction of injured axons in the hypothalamo-neurohypophyseal system显示文摘Previous studies have shown that growth hormone can regulate hypothalamic energy metabolism, stress, and hormone release. Therefore, growth hormone has great potential for treating hypothalamic injury. In this study, we established a specific hypothalamic axon injury model by inducing hypothalamic pituitary stalk electric lesions in male mice. We then treated mice by intraperitoneal administration of growth hormone. Our results showed that growth hormone increased the expression of insulin-like growth factor 1 and its receptors, and promoted the survival of hypothalamic neurons, axonal regeneration, and vascular reconstruction from the median eminence through the posterior pituitary. Altogether, this alleviated hypothalamic injury-caused central diabetes insipidus and anxiety. These results suggest that growth hormone can promote axonal reconstruction after hypothalamic injury by regulating the growth hormone-insulin-like growth factor 1 axis.Kai Li Zhanpeng Feng Zhiwei Xiong Jun Pan Mingfeng Zhou Weizhao Li Yichao Ou Guangsen Wu Mengjie Che Haodong Gong Junjie Peng Xingqin Wang Songtao Qi Junxiang Peng 2024Neural Regeneration Research2024,19,10:0
18Transformer-Aided Deep Double Dueling Spatial-Temporal Q-Network for Spatial Crowdsourcing Analysis显示文摘With the rapid development ofmobile Internet,spatial crowdsourcing has becomemore andmore popular.Spatial crowdsourcing consists of many different types of applications,such as spatial crowd-sensing services.In terms of spatial crowd-sensing,it collects and analyzes traffic sensing data from clients like vehicles and traffic lights to construct intelligent traffic prediction models.Besides collecting sensing data,spatial crowdsourcing also includes spatial delivery services like DiDi and Uber.Appropriate task assignment and worker selection dominate the service quality for spatial crowdsourcing applications.Previous research conducted task assignments via traditional matching approaches or using simple network models.However,advanced mining methods are lacking to explore the relationship between workers,task publishers,and the spatio-temporal attributes in tasks.Therefore,in this paper,we propose a Deep Double Dueling Spatial-temporal Q Network(D3SQN)to adaptively learn the spatialtemporal relationship between task,task publishers,and workers in a dynamic environment to achieve optimal allocation.Specifically,D3SQNis revised through reinforcement learning by adding a spatial-temporal transformer that can estimate the expected state values and action advantages so as to improve the accuracy of task assignments.Extensive experiments are conducted over real data collected fromDiDi and ELM,and the simulation results verify the effectiveness of our proposed models.Yu Li Mingxiao Li Dongyang Ou Junjie Guo Fangyuan Pan 2024Computer Modeling in Engineering & Sciences2024,139,4:0
19Simulation and Reasonable Design of Bridge Steel Fenders to Reduce Ship Impacts显示文摘Steel fenders are increasingly used for ship-impact resistance structures in the design of navigable bridges. As an important approach to investigating this anti-impact structure effectiveness to reduce influences of vessel impact, simulation analyses are still not perfect yet. So this paper is intended to discuss several issues related to ship collision simulations, including steel constitutive relationship, connections between steel box and pile cap, contacts definition and friction consideration, and the determination of impact waterlines and angles. Consequently based on two examples of ship-steel fender-bridge structure systems, some conclusions about effectiveness and design of fenders to reduce ship impact are drawn.OU Bifeng WANG Junjie 2006Transactions of Tianjin University2006,12,B09:0
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