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| 1 | Uncertainty analysis of hydrological model parameters based on the bootstrap method:A case study of the SWAT model applied to the Dongliao River Watershed,Jilin Province,Northeastern China显示文摘As an important tool for the description and analysis of hydrological processes,the watershed hydrological model has been increasingly applied to watershed hydrological simulations and water resource management.However,in most cases,model parameters are only determined in a calibration scheme which fits the modeled data to observations,thus significant uncertainties exist in the model parameters.How to quantitatively evaluate the uncertainties in model parameters and the resulting uncertainty impacts on model simulations has always been a question which has attracted much attention.In this study,two methods based on the bootstrap method(specifically,the model-based bootstrap and block bootstrap)are used to analyze the parameter uncertainties in the case of the SWAT(Soil and Water Assessment Tool)model applied to a hydrological simulation of the Dongliao River Watershed.Then,the uncertainty ranges of five sensitivity parameters are obtained.The calculated variation coefficients and the variable parameter contributions show that,among the five parameters,ESCO and CN2 have relatively high uncertainties:the variation coefficients and contribution rates are 23.98 and 70%,14.43 and 18%,respectively.The three remaining parameters have relatively low uncertainties.We compare the two uncertainty ranges of parameters acquired by the two bootstrap methods,and find that the uncertainty ranges of parameters acquired by the block bootstrap are narrower than those acquired by the model-based bootstrap.Further analysis of the effects of parameter uncertainties on the model simulation reveals that the parameter uncertainties have great impacts on results of the model simulation,and in the model calibration stage 60%70%of runoff observations were within the corresponding 95%confidence interval.The uncertainty in the model simulation during the flood season(i.e.the wet period)is relatively higher than that during the dry season. | ZHANG Zheng LU WenXi CHU HaiBo CHENG WeiGuo ZHAO Ying | 2014 | Science China(Technological Sciences)2014，57，1： | 9 |
| 2 | Facile electrodeposition of 3D concentration-gradient Ni-Co hydroxide nanostructures on nickel foam as high performance electrodes for asymmetric supercapacitors显示文摘小说三维(3D ) 集中坡度 Ni 公司氢氧化物 nanostructures (3DCGNC ) 被一个灵巧的逐步的电气化学的免职方法直接在镍泡沫上种了并且强烈地为 supercapacitors 调查同样没有文件夹、没有售票员的电极。基于一种三电极的电气化学的描述技术,获得的 3DCGNC 电极表明了 1,760 F 的一个高特定的电容 ???? | Mingyang Yang Hua Cheng Yingying Gu Zhifang Sun Jing Hu Lujie Cao Fucong Lv Minchan Li Wenxi Wang Zhenyu Wang Shaofei Wu Hongtao Liu Zhouguang Lu | 2015 | Nano Research2015，8，8： | 8 |
| 3 | Privacy Protection Algorithm for the Internet of Vehicles Based on Local Differential Privacy and Game Model显示文摘In recent years,with the continuous advancement of the intelligent process of the Internet of Vehicles(IoV),the problem of privacy leakage in IoV has become increasingly prominent.The research on the privacy protection of the IoV has become the focus of the society.This paper analyzes the advantages and disadvantages of the existing location privacy protection system structure and algorithms,proposes a privacy protection system structure based on untrusted data collection server,and designs a vehicle location acquisition algorithm based on a local differential privacy and game model.The algorithm first meshes the road network space.Then,the dynamic game model is introduced into the game user location privacy protection model and the attacker location semantic inference model,thereby minimizing the possibility of exposing the regional semantic privacy of the k-location set while maximizing the availability of the service.On this basis,a statistical method is designed,which satisfies the local differential privacy of k-location sets and obtains unbiased estimation of traffic density in different regions.Finally,this paper verifies the algorithm based on the data set of mobile vehicles in Shanghai.The experimental results show that the algorithm can guarantee the user’s location privacy and location semantic privacy while satisfying the service quality requirements,and provide better privacy protection and service for the users of the IoV. | Wenxi Han Mingzhi Cheng Min Lei Hanwen Xu Yu Yang Lei Qian | 2020 | Computers, Materials & Continua2020，，8： | 3 |
| 4 | Optical dynamic imaging of the regional blood flow in the rat mesentery under the effect of noradrenalin显示文摘The regional blood flow in the rat mesentery under the effect of noradrenalin is monitored using the laser speckle imaging method. The results show that at the third minute of application of noradrenalin, the blood flow begins to decrease, and the venule blood flow decreases more rapidly than that in the arteriole. Five minutes later blood flow in part of blood vessels begins to resume and the blood flow in the arteriole recovers more quickly than that in the venule. These suggest that laser speckle imaging can obtain the temporal-spatial characteristic of blood flow in mesentery without the need of scanning. It provides a new approach for investigating the change of regional blood flow in the mesentery in microcirculation studies. | CHENG Haiying, LUO Qingming, ZENG Shaoqun, CEN Jian and LIANG Wenxi(The Key Laboratory of Biomedical Photonics of Ministry of Education of China, Huazhong University of Science and Technology, Wuhan 430074, China) | 2003 | Progress in Natural Science:Materials International2003，13，5： | 3 |
| 5 | Effect of swelling response of the support particles on ethylene polymerization显示文摘 | Shi Liya Qin Yongxin Cheng Wenxi | 2007 | Polymer2007，48，9： | 1 |
| 6 | Chinese experts' consensus on diagnosis, prevention, and treatment of chemotherapyinduced hepatotoxicity显示文摘Overview Drug-induced liver injury(DILI)due to acetaminophen overdose and idiosyncratic drug reactions usually occurs 5–90 days after exposure to the causative drug.Ninety percent of DILI cases are acute.As one of the most common non-infectious liver diseases,DILI represents a growing challenge for clinicians.According to data from WHO[1],DILI is the fifth leading cause of liver disease mortality.In China,DILI accounts for 1%–5%of hospitalized patients with liver diseases,10%of patients | Wenxi Yu Yuanjue Sun Yang Yao Shiying Yu Feng Yu Jun Ma Jiejun Wang Jifeng Feng Guoping Sun Jiliang Yin Yuan Chen Li Zhang Mei Hou Xianglin Yuan Jun Liang Cheng Huang Guangru Xie Qing Xie Wen Xie | 2015 | The Chinese-German Journal of Clinical Oncology2015，14，1： | 1 |
| 7 | 显示文摘 | Cheng Wenxi Wang Zhe Ren Changyi | 2007 | Materials Letters2007，61，： | 1 |
| 8 | Fabrication and Characterization of PMMA/MWCNTs Composite Materials显示文摘In order to improve the mechanical properties and thermal conductivity of polymethyl methacrylate(PMMA),multi-walled carbon nanotubes(MWCNTs)were used as reinforcement through in situ polymerization method to prepare PMMA/MWCNTs composites by changing the reaction time,polymerization temperature and the content of MWCNTs.The effects of different reaction conditions on the properties of the composites were studied.The results show that the mechanical properties,thermal/electrical conductivity and thermal stability of the composites are improved compared with the PMMA matrix.The tensile strength of the composites is increased by up to 24%.The bending strength of the composite material increases from20.41 to 68.04 MPa,and the maximum increase is 233%.Meanwhile,when the content of MWCNTs is 3 wt%,the thermal conductivity of the composite is 0.335 W/(m·K),which increases by138%,and the electrical conductivity is 3.94 S/m.The thermal stability of the composite has been significantly enhanced.The modified PMMA will be widely used in medicine,communications,electronics and other fields. | SHANG Mengya MIAO Wei JIA Dongqing CHENG Wenxi ZHANG Xin WANG Qiang LIN Haowei LI Jinling | 2023 | Journal of Wuhan University of Technology(Materials Science)2023，38，5： | 0 |
| 9 | Video Stabilization via Prediction with Time-Series Network and Image Inpainting with Pyramid Fusion显示文摘Due to the poor filling effect of the video image defect commonly used in the video stabilization field, the video is seemed still unstable after the image stabilization process, which seriously affects the visual effect. To solve this problem, we improve a video stabilization method based on time-series network prediction and pyramid fusion restoration is proposed to optimize the visual effect after image stabilization.The flow of the proposed method is as follows: First,it is adaptive to determine whether the defect of the corresponding frame at the current time needs padding inpainting. Then, for the frame that needs to be inpainting,the frames generated before the current moment are sent to the model combining the convolutional neural networks and the gate recurrent unit to predict the part to be filled. Next the current defect image and the complete image to be filled are brought into the Laplacian pyramid reconstruction, and the improved weighted optimal suture is introduced for splicing during the fusion. Finally, the video frame is cut after reconstruction. The method is tested on a data set composed of videos commonly used in the field of video stabilization. The experimental results show that the average peak signal to noise ratio of the method is 2 to 5 d B higher than that of the comparison algorithm, and the average structural similarity index is improved by about 2% to 7% compared with the contrast algorithm. | CHENG Keyang LI Shichao RONG Lan WANG Wenshan SHI Wenxi ZHAN Yongzhao | 2021 | Chinese Journal of Electronics2021，30，6： | 0 |
| 10 | Neutrophil extracellular traps induced by interleukin 8 via CXCR1/2 promote the progression of gastric carcinoma through transcription factor IIB-related factor 1 and cyclin显示文摘Neutrophils constitute a significant portion of the immune cells present within the tumor microenvironment.Evidence generated by our group has confirmed neutrophils to be an adverse independent prognostic factor affecting the disease-free survival of gastric carcinoma(GC)patients.1 Neutrophil extracellular traps(NETs),protein-covered DNA webs that interact with tumor cells in the tumor microenvironment,were detected in GC tissues and found to clinically associated with disease progression in our previous study.2 NETosis could be mediated by a series of agonists,such as interleukin 8(IL-8).3 However,the mechanism of IL-8 in the progression of GC occurs via NETs remains unclear.In this study,we identified that IL-8-mediated NETosis can promote the proliferation,migration,and invasion of GC cells in vitro,which can be abrogated by NET degradation through deoxyribonucleaseI(DNase I)or IL-8 suppression through neutralizing antibodies.Disruption of NETs by DNase I or blockade of the IL-8-CXC chemokine receptor 2(CXCR2)axis could result in growth retardation in mouse models.We also confirmed that NETs may influence the biological behavior of GC cells by up-regulating the expression of transcription factor IB-related factor 1(BRF1)and cyclin p21/p27. | Qianling Wang Yiyin Zhang Wenxi Ding Cheng Feng Yuyan Wang Xiaoli Wei Ziting Qu Hui Wang Xiaoying Liu Hua Wang Kangsheng Gu | 2024 | Genes & Diseases2024，11，2： | 0 |
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