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| 1 | Porous CuO nanowires as the anode of rechargeable Na-ion batteries显示文摘 | Lijiang Wang Kai Zhang Zhe Hu Wenchao Duan Fangyi Cheng Jun Chen | 2014 | Nano Research2014,7,2: | 21 |
| 2 | Internet of Vehicles in Big Data Era显示文摘As the rapid development of automotive telematics,modern vehicles are expected to be connected through heterogeneous radio access technologies and are able to exchange massive information with their surrounding environment. By significantly expanding the network scale and conducting both real-time and long-term information processing, the traditional Vehicular AdHoc Networks(VANETs) are evolving to the Internet of Vehicles(Io V), which promises efficient and intelligent prospect for the future transportation system. On the other hand, vehicles are not only consuming but also generating a huge amount and enormous types of data, which is referred to as Big Data. In this article, we first investigate the relationship between Io V and big data in vehicular environment, mainly on how Io V supports the transmission, storage, computing of the big data, and how Io V benefits from big data in terms of Io V characterization,performance evaluation and big data assisted communication protocol design. We then investigate the application of Io V big data in autonomous vehicles. Finally, the emerging issues of the big data enabled Io V are discussed. | Wenchao Xu Haibo Zhou Nan Cheng Feng Lyu Weisen Shi Jiayin Chen Xuemin (Sherman) Shen | 2018 | IEEE/CAA Journal of Automatica Sinica2018,5,1: | 19 |
| 3 | Coinfection with influenza A virus enhances SARS-CoV-2 infectivity显示文摘The upcoming flu season in the Northern Hemisphere merging with the current COVID-19 pandemic raises a potentially severe threat to public health.Through experimental coinfection with influenza A virus(IAV)and either pseudotyped or live SARS-CoV-2 virus,we found that IAV preinfection significantly promoted the infectivity of SARS-CoV-2 in a broad range of cell types.Remarkably,in vivo,increased SARS-CoV-2 viral load and more severe lung damage were observed in mice coinfected with IAV.Moreover,such enhancement of SARS-CoV-2 infectivity was not observed with several other respiratory viruses,likely due to a unique feature of IAV to elevate ACE2 expression.This study illustrates that IAV has a unique ability to aggravate SARS-CoV-2 infection,and thus,prevention of IAV infection is of great significance during the COVID-19 pandemic. | Lei Bai Yongliang Zhao Jiazhen Dong Simeng Liang Ming Guo Xinjin Liu Xin Wang Zhixiang Huang Xiaoyi Sun Zhen Zhang Lianghui Dong Qianyun Liu Yucheng Zheng Danping Niu Min Xiang Kun Song Jiajie Ye Wenchao Zheng Zhidong Tang Mingliang Tang Yu Zhou Chao Shen Li Zhou Yu Chen Huan Yan Ke Lan Ke Xu | 2021 | Cell Research2021,31,4: | 16 |
| 4 | On comparison of modified ADRCs for nonlinear uncertain systems with time delay显示文摘To tackle systems with both uncertainties and time delays, several modified active disturbance rejection control(ADRC) methods, including delayed designed ADRC(DD-ADRC), polynomial based predictive ADRC(PP-ADRC), Smith predictor based ADRC(SP-ADRC) and predictor observer based ADRC(PO-ADRC), have been proposed in the past years. This paper is aimed at rigorously investigating the performance of these modified ADRCs, such that the improvements of each method can be demonstrated.The capability to tackle time delay, the necessity of stable open loop and the performance of rejecting uncertainties for these methods are fully studied and compared. It is proven that large time delay cannot be tolerated for the stability of the closed-loop systems based on DD-ADRC and PP-ADRC. Moreover, stable open loop is shown to be necessary for stabilizing the closed-loop systems based on SP-ADRC. Furthermore,the performance of rejecting the 'total disturbance' at low frequency for these modified ADRCs is evaluated and quantitatively discussed. Finally, the simulations of a boiler turbine system illustrate the theoretical results. | Sen CHEN Wenchao XUE Sheng ZHONG Yi HUANG | 2018 | Science China(Information Sciences)2018,61,7: | 16 |
| 5 | PepperHub, an Informatics Hub for the Chili Pepper Research Community显示文摘 | Feng Liu Huiyang Vu Yingtian Deng Jingyuan Zheng Minglei Liu Lijun Ou Bozhi Yang Xiongze Dai Yanqing Ma Shengyu Feng Shuang He Xuefeng Li Zhuqing Zhang Wenchao Chen Shudong Zhou Rong Chen Minmin Liu Sha Yang Ruimin Wei Huadong Li Feng Li Bo Ouyang Xuexiao Zou | 2017 | Molecular Plant2017,10,8: | 13 |
| 6 | Characterization of natural organic matter in water for optimizing water treatment and minimizing disinfection by-product formation显示文摘Introduction Natural organic matter(NOM)present in source water has significant impact on water treatment processes and on the quality of drinking water.NOM is a complex mixture of diverse groups of organic compounds,humic and fulvic acids,proteins,peptides,carbohydrates,and heterogeneous | Qi Zheng Xiaoqiu Yang Wenchao Deng X.Chris Le Xing-Fang Li | 2016 | Journal of Environmental Sciences2016,28,4: | 13 |
| 7 | Comparative study on the effects and efficiencies of three sublimation drying methods for mushrooms显示文摘Freeze drying(FD)yields the best quality of dried mushrooms but needs long drying time and higher cost.Air drying(AD)gives relatively poor product quality.In order to achieve faster drying along with high product quality,microwave freeze drying(MFD)and atmospheric freeze drying(AFD)were developed to dry mushrooms.By comparison of three sublimation drying processes,it was concluded that FD could lead to the best product quality,but cost the highest energy consumption.AFD mushrooms had the worst quality and longest drying time,but the lowest energy consumption.Compared with FD and AFD,MFD could get relatively acceptable quality and drying efficiency.As a result,MFD can be used to replace traditional FD,and AFD also should be popularized because of its low energy consumption. | Duan Xu Liu Wei Ren Guangyue Liu Wenchao Liu Yunhong | 2015 | International Journal of Agricultural and Biological Engineering2015,8,1: | 13 |
| 8 | Earth surface processes and their effects on human behavior in monsoonal China during the Pleistocene-Holocene epochs显示文摘There is a wide diversity of landforms in China.The topography of three major terraces,decreasing in height stepwise from west to east,was formed by the early Miocene.With the commencement of the Great Northern Hemisphere Glaciations(GHGs)and the glacial-interglacial cycles in the Pleistocene,thick loess deposits accumulated in north China,and fluvial terraces were formed and lakes expanded and contracted in eastern and central China.The earliest evidence of hominins in China is dated to ~1.7 Ma;they occupied the monsoon-dominated region for a long interval,until the late Pleistocene,~50 ka.In this study,we investigated a large area rich in the relics and artifacts of early man.The results indicate that the early humans occupied riverine areas,especially medium-sized fluvial basins,and lake shores.Even in the relatively recent geological past,the occupation and abandonment of settlements were directly forced by the shifting of sand dune fields in the desert-loess transitional zone,which in turn was closely associated with variations in the monsoon climate and vegetation patterns.Our observations indicate that landforms were one of the main determinants of early human behavior,in that loess tableland,large alluvial plains,desert-Gobi areas,and the Tibetan Plateau,were not suitable environments for early human settlement.We infer that the early humans in China adapted their behavior to specific landforms and landform processes.The monsoon climate,which shapes the large-scale step-like pattern of fluvial landforms,promotes vegetation coverage and dominates soil formation,provides a crucial context for early human adaptation.The adaptation of early humans to earth surface processes in East Asia is investigated for the first time in this study.Future investigations will provide further information that will increase our understanding of the linkage between early human behavior and landform processes in East Asia. | LU Huayu ZHUO Haixin ZHANG Wenchao WANG Shejiang ZHANG Hongyan SUN Xuefeng JIA Xin XU Zhiwei WANG Xianyan | 2017 | Journal of Geographical Sciences2017,27,11: | 12 |
| 9 | Realizing over 10% efficiency in polymer solar cell by device optimization显示文摘The low band gap polymer based on benzodithiophene(BDT)-thieno[3,4-b]thiophene(TT)backbone,PBDT-TS1,was synthesized following our previous work and the bulk heterojunction(BHJ)material comprising PBDT-TS1/PC71BM was optimized and characterized.By processing the active layer with different additives i.e.1,8-diiodooctane(DIO),1-chloronaphthalene(CN)and 1,8-octanedithiol(ODT)and optimizing the ratio of each additive in the host solvent,a high PCE of 9.98%was obtained under the condition of utilizing 3%DIO as processing additive in CB.The effect of varied additives on photovoltaic performance was illustrated with atomic force microscopy(AFM)and transmission electron microscope(TEM)measurements that explained changes in photovoltaic parameters.These results provide valuable information of solvent additive choice in device optimization of PBDTTT polymers,and the systematic device optimization could be applied in other efficient photovoltaic polymers.Apparently,this work presents a great advance in single junction PSCs,especially in PSCs with conventional architecture. | Shaoqing Zhang Long Ye Wenchao Zhao Bei Yang Qi Wang Jianhui Hou | 2015 | Science China Chemistry2015,58,2: | 12 |
| 10 | Examining the influence of the implementation of Major Function-oriented Zones on built-up area expansion in China显示文摘中国实现了国家策略让主要面向功能的地区(MFOZ ) 自从 2010,实现国家持续开发的目标。分析并且比较时间空间的特征和差别在的这研究布满建筑物为用一个中国 s 陆地使用数据库(CLUD ) 的瓷器 MFOZ 的区域在 2000-2010 和 2010-2013 的时期源于高分辨率的遥远地察觉到的图象。总结:(1 ) 百分比布满建筑物在每 MFOZ 的区域是显著地不同的,基于主要函数的分发揭示国家陆地开发的坡度特征。(2 ) 年度生长在布满建筑物,在最佳的发展地区(ODZ ) 的区域与时期 2000-2010 相比在 2010-2013 期间显著地减少了年度生长在布满建筑物在重要进展地区(KDZ ) 的区域,农业生产地区(APZ ) 和关键生态的功能地区(KEFZ ) 显著地增加了。(3 ) 在 ODZ,的平均年度增加布满建筑物在长江三角洲区域的区域比在另外的区域显著地高;平均区域增加和增加的率布满建筑物在 KDZ 的区域比在另外的区域在西方的区域是更快的;平均年度区域生长布满建筑物在在东北的 APZ 的区域,中央、西方的区域平均象以前的十年一样两次高;在动态度的变化和增加的年度率布满建筑物区域在在中央区域的 KEFZ 是很著名的。(4 ) 空间模式和特征布满建筑物在时期 2010-2013 的区域扩大为 MFOZ 反映了计划的坡度特征。但是率局部地增加在布满建筑物在 ODZ, APZ 和 KEFZ 的区域是快的,有效措施必须因此在国家、地区性的政策的实现被采用。结论显示了这些方法,结果为在在中国优化国家陆地开发的未来规定策略是有意义的。 | LIU Wenchao LIU Jiyuan KUANG Wenhui NING Jia | 2017 | Journal of Geographical Sciences2017,27,6: | 12 |
| 11 | A direct position determination method with combined TDOA and FDOA based on particle filter显示文摘The localization of a stationary transmitter using moving receivers is considered.The original Direct Position Determination(DPD) methods, with combined Time Difference of Arrival(TDOA) and Frequency Difference of Arrival(FDOA), do not perform well under low Signal-toNoise Ratio(SNR), and worse still, the computation cost is difficult to accept when the computational capabilities are limited.To get better positioning performance, we present a new DPD algorithm that proves to be more computationally efficient and more precise for weak signals than the conventional approach.The algorithm partitions the signal received with the same receiver into multiple non-overlapping short-time signal segments, and then uses the TDOA, the FDOA and the coherency among the short-time signals to locate the target.The fast maximum likelihood estimation, one iterative method based on particle filter, is designed to solve the problem of high computation load.A secondary but important result is a derivation of closed-form expressions of the Cramer-Rao Lower Bound(CRLB).The simulation results show that the algorithm proposed in this paper outperforms the traditional DPD algorithms with more accurate results and higher computational efficiency, and especially at low SNR, it is more close to the CRLB. | Zhiyu LU Bin BA Jianhui WANG Wenchao LI Daming WANG | 2018 | Chinese Journal of Aeronautics2018,31,1: | 11 |
| 12 | An integrated quantum secure communication system显示文摘In this paper, we investigate experimentally an integrated quantum secure communication system using weak coherent state. Two modules are involved in the presented system. One is used for generating the secret key which is obtained using continuous variable quantum key distribution scheme, and the other serves to encrypt and decrypt the real-time private data using a pure quantum cryptographic algorithm. The sifted key rate with reverse reconciliation is 8.6 and 3.9 kb/s in the quantum key distribution scheme under the individual attack and the collective attack, respectively. The system uses an all-fiber dual unbalance beam Mach-Zehnder interferometer, and is implemented with a 500 kb/s modulation rate over 27.2 km of optical fiber. | DAI WenChao LU Yuan ZHU Jun ZENG GuiHua | 2011 | Science China(Information Sciences)2011,54,12: | 11 |
| 13 | Re–Os dating of molybdenite and in-situ Pb isotopes of sulfides from the Lamo Zn–Cu deposit in the Dachang tin-polymetallic ore field, Guangxi, China显示文摘The Dachang tin-polymetallic district, Guangxi,China, is one of the largest tin ore fields in the world. Both cassiterite-sulfide and Zn–Cu skarn mineralization are hosted in the Mid-Upper Devonian carbonate-rich sediments adjacent to the underlying Cretaceous Longxianggai granite(91–97 Ma). The Lamo Zn–Cu deposit is a typical skarn deposit in the district and occurs at the contact zone between the Upper Devonian limestone and the granite.The ore minerals mainly consist of sphalerite, arsenopyrite,pyrrhotite, galena, chalcopyrite, and minor molybdenite.However, the age of mineralization and source of the metals are not well constrained. In this study, we use the molybdenite Re–Os dating method and in-situ Pb isotopes of sulfides from the Lamo deposit for the first time in order to directly determine the age of mineralization and the tracing source of metals. Six molybdenite samples yielded a more accurate Re–Os isochron age of 90.0 ± 1.1 Ma(MSWD = 0.72), which is much younger than the reported garnet Sm–Nd isochron age of 95 ± 11 Ma and quartz fluid inclusions Rb–Sr isochron age of 99 ± 6 Ma. This age is also interpreted as the age of Zn–Cu skarn mineralization in the Dachang district. Further, in this study we found that in-situ Pb isotopes of sulfides from the Lamo deposit and feldspars in the district's biotite granite and granitic porphyry dikes have a narrow range and an overlap of Pb isotopic compositions(^(206) Pb/^(204) Pb =18.417–18.594,^(207) Pb/^(204) Pb = 15.641–15.746, and^(208) Pb/^(204) Pb = 38.791–39.073), suggesting that the metals were mainly sourced from Cretaceous granitic magma. | Hai Zhao Wenchao Su Peng Xie Nengping Shen Jiali Cai Ming Luo Jie Li Zhian Bao | 2018 | Acta Geochimica2018,37,3: | 11 |
| 14 | Efficient microwave-assisted photocatalytic degradation of endocrine disruptor dimethyl phthalate over composite catalyst ZrO_x /ZnO显示文摘A highly active ZrO x /ZnO catalyst for microwave-assisted photocatalytic (MW/PC) degradation of endocrine disruptor dimethyl phthalate (DMP) has been prepared via cetyltrimethylammonium assisted hydrothermal method. The ZrO x /ZnO was characterized by XPS, XRD, UV-Vis, BET and SEM techniques. The XPS result showed that Zr oxides with different valences (+2, +3, +4) co-existed in ZrO x /ZnO. By using the ZrO x /ZnO (0.1 g), the TOC removal efficiency of DMP (100 mL of 50 mg/L) was 88% after 30 min reaction, which was about 15% higher than P25 TiO 2 . It was found that the removal process of DMP by MW/PC followed pseudo first-order kinetics in all cases, and ZrO x /ZnO significantly accelerated the degradation of DMP. The degradation half-life time of DMP was shortened 45% compared with P25 TiO 2 . A possible catalytic mechanism was proposed based on microwave response and interfacial charge transfer. ZrO x /ZnO could be reused for six times without obvious decrease in catalytic activity. The study offers new insights into designing highly efficient catalysts for MW/PC process and is applicable for MW/PC environmental remediation. | Wenchao Liao, Tong Zheng, Peng Wang, Sisi Tu, Weiqian PanState Key Laboratory of Urban Water Resource and Environment, School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China. | 2010 | Journal of Environmental Sciences2010,22,11: | 9 |
| 15 | Chemical deactivation of V2Os-WO3/Ti02 SCR catalyst by combined effect of potassium and chloride显示文摘 | Xiaodong WU Wenchao YU Zhichun SI Duan WENG | 2013 | Frontiers of Environmental Science & Engineering2013,7,3: | 9 |
| 16 | Pulsating hydraulic fracturing technology in low permeability coal seams显示文摘Based on the difficult situation of gas drainage in a single coal bed of high gas content and low permeability, we investigate the technology of pulsating hydraulic pressure relief, the process of crank plunger movement and the mechanism of pulsating pressure formation using theoretical research, mathematical modeling and field testing. We analyze the effect of pulsating pressure on the formation and growth of fractures in coal by using the pulsating hydraulic theory in hydraulics. The research results show that the amplitude of fluctuating pressure tends to increase in the case where the exit is blocked, caused by pulsating pressure reflection and frictional resistance superposition, and it contributes to the growth of fractures in coal. The crack initiation pressure of pulsating hydraulic fracturing is 8 MPa, which is half than that of normal hydraulic fracturing; the pulsating hydraulic fracturing influence radius reaches 8 m.The total amount of gas extraction is increased by 3.6 times, and reaches 50 L/min at the highest point.The extraction flow increases greatly, and is 4 times larger than that of drilling without fracturing and 1.2times larger than that of normal hydraulic fracturing. The technology provides a technical measure for gas drainage of high gas content and low permeability in the single coal bed. | Wang Wenchao Li Xianzhong Lin Baiquan Zhai Cheng | 2015 | International Journal of Mining Science and Technology2015,25,4: | 9 |
| 17 | Tuning of Sampled-Data ADRC for Nonlinear Uncertain Systems显示文摘This paper concerns with the parameters tuning of active disturbance rejection control(ADRC) for a class of nonlinear systems with sampling rate not fast enough. The theoretical results show the quantitative relationship between the sampling rate, the parameters of ADRC, the size of uncertainties in system and the properties of the closed-loop system. Furthermore, the capability of the sampled-data ADRC under given sampling rate is quantitatively discussed. | XUE Wenchao HUANG Yi | 2016 | Journal of Systems Science & Complexity2016,29,5: | 8 |
| 18 | Metallogenic model and prognosis of the Shuiyindong super-large strata-bound Carlin-type gold deposit, southwestern Guizhou Province, China显示文摘The Shuiyindong deposit is one of the largest (more than 100 tonnes of Au) and highest grade (more than 7×10-6-10×10-6), strata-bound Carlintype gold deposits in southwestern Guizhou Province, China. The deposit is controlled by both structure and favorable lithology. It is situated near the axis of the striking Huijiabao anticline and is hosted in bioclastic limestone of the Permian Longtan Formation. Gold mineralization occurred under low temperature with Th of 220℃± and is closely associated with decarbonation, silicification, sulfidation and dolomitization. The deposit has a characteristic elemental assemblage of Au-As-Hg-Tl. Studies of geochemistry and isotope compositions indicated that the ore-bearing materials and fluids of the gold deposit mainly originated from a plutonic source, and possess a mixing feature with the strata matter during transportation from mantle to crust. Fluid inclusions in vein quartz from the gold deposit are rich in volatile flux, indicating that metallogenic fluid is an overpres-sured one. The activity and geothermal state of the Earth's crust in the long period of time are favorable for the formation of overpressured fluids in a large area, and extensive structures would drive the fluids into ore-forming sys-tem and make gold deposits formed. The complexity of structural movement in the upper crust of southwestern Guizhou Province resulted in complicated gold mineralization. Through metallogenic prognosis and exploration, the proven reserves of the deposit increased by tens of tonnes of Au and the deposit has become a super-large strata-bound Carlin-type gold deposit. | ZHANG Yu XIA Yong SU Wenchao TAO Yan ZHANG Xingchun LIU Jianzhong DENG Yiming | 2010 | Chinese Journal Of Geochemistry2010,29,2: | 8 |
| 19 | Diagenetic-metallogenic ages of pyritic cherts and their implications in Mojiang nickel-gold deposit in Yunnan Province,China显示文摘Diagenetic-metallogenic ages of pyritic cherts formed by the syn-sedimentation of hydrothermal vent and ages of the Jinchang Rock Formation in the Mojiang large nickel-gold deposit in the Ailaoshan gold metallogenic belt have been discussed on the basis of chronology of isotopic geochemistry. Nickel-gold-bearing pyritic cherts in the mining were formed by syn-sedimentation of hydrothermal vent in the Late Devonian, i.e. age by Sm-Nd isochronal method (t) = (358±8.6) (2σ) Ma and age by Rb-Sr isochronal method (t) = (354.7±0.72) (2σ) Ma. On the other hand, deep-water cherts from the Jinchang Rock Formation of the Upper Devonian in the area were initiated at the same time; that is, age by Sm-Nd isochronal method (t) = (359(+21) (2(7) Ma and age by Rb-Sr isochronal method (t) = (358.02±0.30) (2σ) Ma. | FANG Weixuan HU Ruizhong XIE Guiqing SU Wenchao QI Liang | 2001 | Chinese Science Bulletin2001,46,21: | 7 |
| 20 | Numerical investigation of dual-porosity model with transient transfer function based on discrete-fracture model显示文摘Based on the characteristics of fractures in naturally fractured reservoir and a discrete-fracture model, a fracture network numerical well test model is developed.Bottom hole pressure response curves and the pressure field are obtained by solving the model equations with the finite-element method. By analyzing bottom hole pressure curves and the fluid flow in the pressure field, seven flow stages can be recognized on the curves. An upscaling method is developed to compare with the dual-porosity model(DPM). The comparisons results show that the DPM overestimates the inter-porosity coefficient λ and the storage factor ω. The analysis results show that fracture conductivity plays a leading role in the fluid flow. Matrix permeability influences the beginning time of flow from the matrix to fractures. Fractures density is another important parameter controlling the flow. The fracture linear flow is hidden under the large fracture density.The pressure propagation is slower in the direction of larger fracture density. | Yizhao WAN Yuewu LIU Weiping OUYANG Guofeng HAN Wenchao LIU | 2016 | Applied Mathematics and Mechanics(English Edition)2016,37,5: | 7 |