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| 1 | Fabrication and optimization of La_(0.4)Sr_(0.6)Co_(0.2)Fe_(0.7)Nb_(0.1)O_(3-δ) electrode for symmetric solid oxide fuel cell with zirconia based electrolyte显示文摘La_(0.4)Sr_(0.6)Co_(0.2)Fe_(0.7)Nb_(0.1)O_(3-δ)(LSCFN)was applied as both anode and cathode for symmetrical solid oxide fuel cells(SSOFCs)with zirconia based electrolyte.The cell with LSCFN electrode was fabricated by tape-casting and screen printing.Fabrication process was optimized firstly by comparing co-sintering and separate-sintering of electrode and electrolyte.To further improve the LSCFN electrode properties,oxygen ionic conductor of Gd_(0.1)Ce_(0.9)O_(2-δ)(GDC)was added into the LSCFN electrode.The preferred composition of LSCFN-GDC composite electrode was found to be 1:1 in weight ratio with polarization resistance of 0.16Ωcm^2at 800~℃.The maximum power densities of LSCFN-GDC||GDC/YSZ/GDC||LSCFN-GDC tested in H_2and CH_4with 3%H_2O were 395 m W cm^(-2)and 124 m W cm^(-2)at 850~?C,respectively,which were much higher than that of LSCFN||GDC/YSZ/GDC||LSCFN cells at same condition,possibly due to the extension of the triple phase boundary induced by the addition of GDC.The cell showed reasonable stability using H_2and CH_4with 3%H_2O as fuels and no significant power output degradation was observed after total 200 h operation. | Na Xu Tenglong Zhu Zhibin Yang Minfang Han | 2017 | Journal of Materials Science & Technology2017，33，11： | 4 |
| 2 | Cobalt and Titanium substituted SrFeO_(3) based perovskite as efficient symmetrical electrode for solid oxide fuel cell显示文摘One of the key tasks in solid oxide fuel cell research is to develop cost-competitive electrodes that work efficiently in wide range of air and fuel utilizations.Herein,we promote our study to a series of Cobalt and Titanium substituted La_(0.4)Sr_(0.6)Fe_(0.7)Ti_(0.3-x)Co_(x)O_(3-δ)(LSFTC,x=0,0.05,0.1,0.2)perovskite oxides.It is shown that Cobalt doping effectively improves the electrical conductivity and oxygen electrochemical reduction activity,yielding decreased cathode polarization resistance and lower dependence of pO_(2) change.For example,σ_(600℃)=81 S/cm and R_(p,C750℃)=0.1 Ω cm^(2) for LSFTC-5 are obtained in pO_(2)=0.21 atm.In anode conditions of wet H2,the LSFTC cubic perovskites are partially reduced to hybrid structure of ABO_(3)-A_(2)BO_(4)-metal with Cobalt doping amount less than 10% and are fully decomposed to A_(2)BO_(4)-metal with 20% doping.The higher Cobalt substitution generates more nano particles exsolution,which promotes anode processes at low temperatures.However,the generated AO-rich compositions are shown detrimental to anode performance in both conducting property and anode catalytic activity under low H_(2) partial pressures.In current study,the electrodes are evaluated under practical working conditions with broad pO_(2) and pH_(2),which provides guidelines for industrial-applicable SrFeO_(3) based symmetrical electrode development. | Jianing Song Tenglong Zhu Xiaoyang Chen Weijie Ni Qin Zhong | 2020 | Journal of Materiomics2020，6，2： | 3 |
| 3 | D-A-π-A organic sensitizers containing a benzothiazole moiety as an additional acceptor for use in solar cells显示文摘Three novel triphenylamine-based D-A-π-A-featured dyes (Z1-Z3) have been designed, synthesized and characterized for use in dye-sensitized solar cells. Benzothiazole was incorporated as an additional acceptor, which greatly enhanced the molar extinction coefficient of the dyes. Various conjugated linkers, such as benzene, furan and thiophene, were also introduced to configure the novel D-A-π-A framework in order to prolong electron flow and active transportation. Among all dyes, Z2 containing a thiophene linker exhibited the maximum overall conversion efficiency (η) of 4.16% (Jsc = 9.27 mA cm-2 , Voc = 642 mV, FF = 0.70) under standard global AM 1.5 G solar condition. | ZENG Juan ZHANG TengLong ZANG XuFeng KUANG DaiBin MEIER Herbert CAO DeRong | 2013 | Science China Chemistry2013，56，4： | 2 |
| 4 | How Does Trade Openness Affect Regional Demographic Transitions? Evidence from China's Provincial Panel Data显示文摘This paper investigates the effect of trade openness and other variables on thedemographic transition in China using the instrumental variables regression methodbased on provincial panel data for the period between 1981 and 2013. The resultsindicate that trade openness is one of the determinants of China's demographictransition and has two distinct effects: (i) an income effect that accelerated thedemographic transition by increasing per capita income; and (ii) a human capital effectthat suppressed the demographic transition by reducing human capital accumulation.The effects of trade on demographic transition vary across different regions. This studyidentifies the important determinants of demographic transition in China's regions, andhas rich policy implications for demographic transition and the upgrading of tradestructure. | Shujin Zhu Renyu Li Tenglong Zhong | 2017 | China & World Economy2017，25，3： | 2 |
| 5 | Evaluation of La_(0.7)Ca_(0.3)Cr_(0.95)Zn_(0.05)O_(3-δ)-Gd_(0.1)Ce_(0.9)O_(2-δ) Dual-phase Material and its Potential Application in Oxygen Transport Membrane显示文摘In this work,a dual-phase material consisting of La_(0.7)Ca_(0.3)Cr_(0.95)Zn_(0.05)O_(3-δ)(LCCZ,40 wt%) and Gd_(0.1)Ce_(0.9)O_(2-δ)(GDC,60 wt%) was synthesized.Properties including phase structure,sintering behavior,electrical conductivity and oxygen permeability for LCCZ—GDC were evaluated.The results show that dense LCCZ-GDC dual-phase disks were obtained at the sintering temperature of 1250,1300,1350 and 1400 ℃by tape casting and high temperature sintering method.The grain sizes of both GDC and LCCZ grew up with the increasing of sintering temperature.The average grain size of GDC was about 0.5,0.8,1.4,1.8 μm while the average grain size of LCCZ was about 0.8,1.5,1.8 and 2 μm after sintering at 1 250,1 300,1350 and1400 ℃,respectively.Oxygen flux of LCCZ-GDC decreased with the increase of sintering temperature from1250 to 1400 ℃.The oxygen flux of LCCZ-GDC sintered at 1250 ℃ reached 0.079 mL/min/cm^2 at 975 ℃with a membrane thickness of 800 urn.Dual-phase material of LCCZ-GDC will be a promising oxygen transport membrane material for its low sintering temperature and good microstructure. | Tenglong Zhu Zhibin Yang Minfang Han | 2014 | Journal of Materials Science & Technology2014，30，10： | 2 |
| 6 | Study on the Control Strategy of Free Piston Expander-Linear Generator Used for Organic Rankine Cycle Waste Heat Recovery显示文摘This study presents a free piston expander-linear generator (FPE-LG) for engine waste heat recovery.The control strategies based on displacement (control strategy A) and valve timings (control strategy B) are proposed.The operation and output characteristics with different control strategies are conducted.The results show that control strategy has significant effect on the FPE-LG performance.When FPE-LG operates with control strategy A,the operation frequency is determined by the intake pressure,advanced exhaust duration,fixed position point and external load resistance,whereas it is only related with the intake/exhaust time and advanced exhaust duration (ta) for control strategy B.The external load resistance has slight influence on the stroke length for these two control strategies.For control strategy A,when advanced exhaust duration is more than 40 ms,the stroke length rises with the intake pressure,whereas it first rises and then reduces when advanced exhaust duration is less than 40 ms.There exist the optimal external load resistance and advanced exhaust duration to achieve the maximum power output with control strategy A,whereas the average power output reduces with the increasing advanced exhaust duration when using control strategy B.Stable operation and high power output can be obtained by using different control strategies and adjusting relevant operation parameters. | HOU Xiaochen ZHANG Hongguang ZHAO Tenglong SHI Xin XU Yonghong LI Jian GE Zhong ZHANG Jun WU Yuting | 2021 | Journal of Thermal Science2021，30，2： | 1 |
| 7 | COVID-19 Public Opinion and Emotion Monitoring System Based on Time Series Thermal New Word Mining显示文摘With the spread and development of new epidemics,it is of great reference value to identify the changing trends of epidemics in public emotions.We designed and implemented the COVID-19 public opinion monitoring system based on time series thermal new word mining.A new word structure discovery scheme based on the timing explosion of network topics and a Chinese sentiment analysis method for the COVID-19 public opinion environment are proposed.Establish a“Scrapy-Redis-Bloomfilter”distributed crawler framework to collect data.The system can judge the positive and negative emotions of the reviewer based on the comments,and can also reflect the depth of the seven emotions such as Hopeful,Happy,and Depressed.Finally,we improved the sentiment discriminant model of this system and compared the sentiment discriminant error of COVID-19 related comments with the Jiagu deep learning model.The results show that our model has better generalization ability and smaller discriminant error.We designed a large data visualization screen,which can clearly show the trend of public emotions,the proportion of various emotion categories,keywords,hot topics,etc.,and fully and intuitively reflect the development of public opinion. | Yixian Zhang Jieren Cheng Yifan Yang Haocheng Li Xinyi Zheng Xi Chen Boyi Liu Tenglong Ren Naixue Xiong | 2020 | Computers, Materials & Continua2020，，9： | 1 |
| 8 | Identification of cotton microRNAs and their targets显示文摘 | Baohong Zhang Qinglian Wang Kunbo Wang Xiaoping Pan Fang Liu Tenglong Guo George P. Cobb Todd A. Anderson | 2007 | Gene2007，，1： | 1 |
| 9 | Effects of tur- bulence models on convection subcoolod boiling in vertical pipe 显示文摘 | ZHANG Rui CONG Tenglong TIAN Wcnxi | 2015 | Annals of Nuclear Energy2015，80，： | 1 |
| 10 | Audio-Visual Underdetermined Blind Source Separation Algorithm Based on Gaussian Potential Function显示文摘Most existing algorithms for the underdetermined blind source separation(UBSS) problem are two-stage algorithm, i.e., mixing parameters estimation and sources estimation. In the mixing parameters estimation, the previously proposed traditional clustering algorithms are sensitive to the initializations of the mixing parameters. To reduce the sensitiveness to the initialization, we propose a new algorithm for the UBSS problem based on anechoic speech mixtures by employing the visual information, i.e., the interaural time difference(ITD) and the interaural level difference(ILD), as the initializations of the mixing parameters. In our algorithm, the video signals are utilized to estimate the distances between microphones and sources, and then the estimations of the ITD and ILD can be obtained. With the sparsity assumption in the time-frequency domain, the Gaussian potential function algorithm is utilized to estimate the mixing parameters by using the ITDs and ILDs as the initializations of the mixing parameters. And the time-frequency masking is used to recover the sources by evaluating the various ITDs and ILDs. Experimental results demonstrate the competitive performance of the proposed algorithm compared with the baseline algorithms. | ZHANG Ye CAO Kang WU Kangrui YU Tenglong ZHOU Nanrun | 2014 | China Communications2014，11，6： | 1 |
| 11 | Identifying Influential Factors of Knowledge Sharing in Emergency Events: A Virtual Community Perspective显示文摘 | Siqing Shan Tenglong Xin Li Wang You Li Ling Li | 2013 | Syst. Res2013，，： | 1 |
| 12 | Electrochemical property of multi-layer anode supported solid oxide fuel cell fabricated through sequential tape-casting and co-firing显示文摘In this work, a multi-layer anode supported solid oxide fuel cell(SOFC) is designed and successfully prepared through sequential tape casting and co-firing. The single cell is consisted of NiO-3 YSZ(3 YSZ: 3 mol.% yttria doped zirconia) anode support, NiO-8 YSZ(8 YSZ: 8 mol.% yttria stabilized zirconia) anode functional layer, dense 8 YSZ electrolyte layer, and porous 3 YSZ cathode scaffold layer with infiltrated La_(0.6)Sr_(0.4)Co_(0.2)Fe_(0.8)O_(3-δ) cathode. The clear interfaces and good contacts between each layer, without element inter-diffusion being observed, suggest that this sequential tape casting and co-firing is a feasible and successful route for anode supported single cell fabrication. This cell exhibits remarkable high open circuit voltage of 1.097 V at 800?C under room temperature humidified hydrogen, with highly dense and gastight electrolyte layer. It provides a power density of 360 mW/cm^2 under operation voltage of0.75 V at 800?C and a stable operation of ~110 h at 750?C under current density of-300 mA/cm^2. Furthermore, this cell also presents encouraging electrochemical responses under various anode hydrogen partial pressures and maintains high power output at low fuel concentrations. | Xiaoyang Chen Weijie Ni Xiaojia Du Zaihong Sun Tenglong Zhu Qin Zhong Minfang Han | 2019 | Journal of Materials Science & Technology2019，35，4： | 1 |
| 13 | Three-dimensional study on steady thermo- hydraulics characteristics in secondary side of steam generator显示文摘 | CONG Tenglong TIAN Wenxi SU Guanghui | 2014 | Progress in Nuclear Energy2014，70，1： | 1 |
| 14 | Development of a refined helical fuel mixing model and application to a helical fuel rod bundle显示文摘Fuel assemblies have a decisive impact on the performance and safety of nuclear reactors.Helical fuel has huge potential for application in small module reactors(SMRs)due to its advantages in volume power density and safety.Typical helical fuel elements are usually trilobal or cruciform in cross-section.The fuel rods are helically twisted in the axial direction,eliminating the need for spacer grids as the fuel rods are self-supporting.In this paper,a refined subchannel division approach is proposed based on the crossflow mechanism of helical fuel assemblies.Then,a refined helical fuel mixing model framework,including the helical fuel distributed resistance method and directed crossflow method,is developed and implemented in a helical fuel rod bundle to investigate the mixing characteristics.Validation is provided by a 5×5 helical fuel bundle mixing experiment.The refined model predicts about 92.7%of the data with the±10%error range.Compared with existing helical fuel mixing models,the refined mixing model has higher axial accuracy and radial spatial resolution,and can accurately predict the twist angledependent crossflow rate and entry effect.Meanwhile,the refined helical fuel mixing model framework is universal and can be effectively used for the mixing prediction of arbitrary geometric helical fuel after the calibration of coefficients. | FU JunSen XIAO Yao LI JunLong ZHANG Qi CONG TengLong GU HanYang | 2023 | Science China(Technological Sciences)2023，66，2： | 1 |
| 15 | Inducing the SnO2-based electron transport layer into NiFe LDH/NF as efficient catalyst for OER and methanol oxidation reaction显示文摘In an electrocatalyst with a heterointerface structure,the different interfaces can efficiently adjust the catalyst’s conductivity and electron arrangement,thereby enhancing the activity of the electrocatalyst.Ultrathin and smaller Ni Fe LDH was successfully constructed on the surface of SnOnanosheet supported NF by layer by layer assembly,and exhibits lower overpotential of 234 mV at a current density of 10 m A cm,which only increases by 6.4%even at a high current density of 100 mA cm.The excellent OER activity of catalyst is attributed to the contribution of the semiconductor SnOelectron transport layer.Through experiments and characterization,3d structure SnOnanosheets control the growth of ultra-thin nickel-iron,the hierarchical interface between SnOand Ni Fe LDH can change the electron arrangement around the iron and nickel active centers at the interface,resulting the valence states of iron slightly increased and Nicontent increased.The result will promote the oxidation of water.Meanwhile,the SnOsemiconductor as electron transport layer is conducive to trapping electrons generated in oxidation reaction,promoting electrons transferring from the Ni Fe LDH active center to the Ni substrate more quickly,and enhance the activity of Ni Fe LDH.It also shows excellent activity in an electrolyte solution containing 0.5 M methanol and 1 M KOH,and only 1.396 V(vs.RHE)is required to drive a current density of 10 mA cm. | Changwu Wan Jie Jin Xinyu Wei Shizhuo Chen Yi Zhang Tenglong Zhu Hongxia Qu | 2022 | Journal of Materials Science & Technology2022，，29： | 1 |
| 16 | Research on simulation evaluation of strategic projection base construction planning in ExtendSim environment 显示文摘 | Peng Fubing Dun E Er Cui Tenglong | 2014 | Applied Mechanics and Ma- terials2014，641，： | 1 |
| 17 | Foreign Demand,Competition Strategy,and Export Markups:Evidence from Chinese Multi-Product Exporters显示文摘Using Chinese microdata from 2000 to 2013,we document how demand shocks in export markets lead multi-product exporters to adjust markups across products.We find that,in response to positive demand shocks,quality-based competitive multi-product firms increase product markups significantly,particularly for core products,whereas cost-based competitive multi-product firms respond by reducing product markups.The reason for this is that positive foreign demand affects markups through two opposite channels:pro-innovative effects and pro-competitive ejfects.Pro-innovative effects are predominant among quality-based competitive multi-product firms,and these firms respond to positive foreign demand shocks by increasing product quality,prices,and markups.Pro-competitive ejfects are predominant among cost-based competitive multi-product firms,and these firms respond to positive foreign demand shocks by lowering product cost,prices,and markups.We demonstrate the presence of these mechanisms empirically.The results imply that firms with different competition strategies should adopt different measures in response to foreign demand shocks. | Ming Xu Tenglong Zhong Qian Xie Hongkui Liu | 2022 | China & World Economy2022，30，3： | 1 |
| 18 | Unprecedented snow darkening and melting in New Zealand due to 2019–2020 Australian wildfires显示文摘Wildfire events have recently shown a rapid increase in frequency and scale due to the warmer present-day climate;however,their potential effects on the cryosphere are difficult to assess.Catastrophic wildfires in Australia during 2019–2020 emitted large amounts of light-absorbing particles(LAPs)to the atmosphere.Satellite observations indicate that these LAPs caused unprecedented snow-darkening of glaciers in New Zealand through long-range transport and deposition,with their effects lasting for up to three months in January–March 2020,influencing>90%of total glacier/snow and leading to a mean broadband snow-reflectance reduction of 0.08±0.03.This snow darkening accelerated snowmelt by~0.41±0.2 cm day–1 during the southern summer,equivalent to that caused by a~1.8°C increase in air temperature.This indicates the significant impact of the 2019–2020 Australian wildfires on the hydrologic cycle in New Zealand,exceeding that of the local climate warming of~1.5°C since the preindustrial period.Wildfire-induced snow darkening is not limited to New Zealand.Future projections of wildfire incidence indicate widespread effects of snow darkening on the global cryosphere. | Pu Wei Cui Jiecan Wu Dongyou Shi Tenglong Chen Yang Xing Yuxuan Zhou Yue Wang Xin | 2021 | Fundamental Research2021，1，3： | 0 |
| 19 | Gastric cancer with soft tissue metastasis of the abdominal wall:a case report显示文摘Abdominal wall metastasis of gastric cancer(GC)is a very rare occurrence in the clinic setting.We recently diagnosed and treated a patient with abdominal wall metastasis of GC and we hope to provide some helpful guidance on the clinical diagnosis and treatment of this disease.A 49-year-old male patient with GC was admitted to our hospital(Dalian Municipal Central Hospital,Dalian,China)complaining of left upper abdominal wall mass.Physical examination and regular laboratory blood tests showed no obvious abnormalities.Ultrasound and CT of the abdomen showed a subcutaneous solid mass in the abdominal wall.Radical gastrectomy was performed on February 27,2019,six months after it was first noticed by the patient.Pathological examination and immunohistochemistry showed GC with abdominal metastasis.Postoperative radiotherapy or chemotherapy was not pursued after the second operation and no recurrence or metastasis has been noted so far.GC with abdominal metastasis is very rare and can be easily missed or misdiagnosed.For metastasis to a single site in the abdominal wall,surgical resection,which is recommended,may improve patient outcomes. | Tenglong Guo Huiliang Yang Jiaming Xue Wenbin Li Taotao Zhang Xiangwen Zhang Guo Zu | 2020 | Oncology and Translational Medicine2020，6，4： | 0 |
| 20 | Analyzing the characterization of pore structures and permeability of diesel contaminated clays under different aging conditions显示文摘In this study,mercury intrusion porosimetry(MIP)and X-ray micro-computed tomography(XRµCT)were used to characterize the pore structures and investigate the permeability characteristics of clay after aging and contamination with diesel.The results of the MIP tests showed that aging leads to reductions in porosity and average diameter,as well as an increase in tortuosity.The XRµCT analysis yielded consistent results;it showed that aging renders pores more spherical and isotropic and pore surfaces smoother.This weakens the pore connectivity.Micromorphological analysis revealed that aging led to the rearrangement of soil particles,tighter interparticle overlapping,and a reduction in pore space.The combination of MIP and XRµCT provided a comprehensive and reliable characterization of the soil pore structure.An increased diesel content increased the porosity and average diameter and reduced the tortuosity of the pores.Mechanistic analysis showed that aging weakens interparticle cohesion;this causes large agglomerates to break down into smaller agglomerates,resulting in a tighter arrangement and a subsequent reduction in porosity.An increase in diesel content increases the number of large agglomerates and pore spaces between agglomerates,resulting in increased porosity.Both aging and diesel content can weaken the permeation characteristics of soil. | Yeyang CHUN Dong ZHOU Zonghui LIU Chenhui LIU Tenglong LIANG Dongpo SU Zheng HUANG | 2023 | Frontiers of Structural and Civil Engineering2023，17，8： | 0 |
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