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| 1 | Shaking table test and numerical analysis of offshore wind turbine tower systems controlled by TLCD显示文摘A wind turbine system equipped with a tuned liquid column damper(TLCD) is comprehensively studied via shaking table tests using a 1/13-scaled model. The effects of wind and wave actions are considered by inputting responseequivalent accelerations on the shaking table. The test results show that the control effect of the TLCD system is significant in reducing the responses under both wind-wave equivalent loads and ground motions, but obviously varies for different inputs. Further, a blade-hub-tower integrated numerical model for the wind turbine system is established. The model is capable of considering the rotational effect of blades by combining Kane's equation with the finite element method. The responses of the wind tower equipped with TLCD devices are numerically obtained and compared to the test results, showing that under both controlled and uncontrolled conditions with and without blades' rotation, the corresponding responses exhibit good agreement. This demonstrates that the proposed numerical model performs well in capturing the wind-wave coupled response of the offshore wind turbine systems under control. Both numerical and experimental results show that the TLCD system can significantly reduce the structural response and thus improve the safety and serviceability of the offshore wind turbine tower systems. Additional issues that require further study are discussed. | Chen Jianbing Liu Youkun Bai Xueyuan | 2015 | Earthquake Engineering and Engineering Vibration2015，14，1： | 15 |
| 2 | Structural assessment of the ITER magnet system gravity supports 显示文摘 | Fu Youkun Remy Gallix Comelis Jong | 2011 | Fusion Engineering and Design2011，86，： | 1 |
| 3 | Production of 2,3- butanediol from pretreated corn cob byKlebsiella oxytoca in the presence of fungal cellulase显示文摘 | Ningjun Cao Youkun Xia Cheng S. Gong George T. Tsao | 1997 | Applied Biochemistry and Biotechnology1997，，1： | 1 |
| 4 | Production of Ethanol From Recycled Paper Sludge Using Cellulase and Yeast, Kluveromyces Marxianus 显示文摘 | Nicole Lark Youkun Xia Cheng-Guo Qin | 1997 | Biomass and Bioenergy1997，12，： | 1 |
| 5 | An improved PID algorithm for the ratio control of metal belt CVT显示文摘 | Zou Naiwei Wang Qingnian Liu Jingang Zhang Youkun Yu Jing Jia Yuanhua | 2008 | Journal of Hunan University Natural Sciences2008，35，： | 1 |
| 6 | Facet-dependent antibacterial activity of Au nanocrystals显示文摘Engineered nanomaterials have attracted significantly attention as one of the most promising antimicrobial agents for against multidrug resistant infections.The toxicological responses of nano mate rials are closely related to their physicochemical properties,and establishment of a structure-activity relationship for nanomaterials at the nano-bio interface is of great significance for deep understanding antibacterial toxicity mechanisms of nanomaterials and designing safer antibacterial nanomaterials.In this study,the antibacterial behaviors of well-defined crystallographic facets of a series of Au nanocrystals,including{100}-facet cubes,{110}-facet rhombic dodecahedra,{111}-facet octahedra,{221}-facet trisoctahedra and{720}-facet concave cubes,was investigated,using the model bacteria Staphylococcus aureus.We find that Au nanocrystals display substantial facet-dependent antibacterial activities.The low-index facets of cubes,octahedra,and rhombic dodecahedra show considerable antibacterial activity,whereas the high-index facets of trisoctahedra and concave cubes remained inert under biological conditions.This result is in stark contrast to the previous paradigm that the high-index facets were considered to have higher bioactivity as compared with low-index facets.The antibacterial mechanism studies have shown that the facet-dependent antibacterial behaviors of Au nanocrystals are mainly caused by differential bacterial membrane damage as well as inhibition of cellular enzymatic activity and energy metabolism.The faceted Au nanocrystals are unique in that they do not induce generation of reactive oxygen species,as validated for most antibiotics and antimicrobial nanostructures.Our findings may provide a deeper understanding of facet-dependent toxicological responses and suggest the complexities of the na no material-cell interactions,shedding some light on the development of high performance Au nanomaterials-based antibacterial therapeutics. | Youkun Zheng Hui Jiang Xuemei Wang | 2020 | Chinese Chemical Letters2020，31，12： | 0 |
| 7 | An all-in-one FeO_(x)-rGO sponge fabricated by solid-phase microwave thermal shock for water evaporation and purification显示文摘Developing high-efficiency photothermal seawater desalination devices is of significant importance in addressing the shortage of freshwater.Despite much effort made into photothermal materials,there is an urgent need to design a rapidly synthesized photothermal evaporator for the comprehensive purification of complex seawater.Therefore,we report on all-in-one FeOx-rGO photothermal sponges synthesized via solid-phase microwave thermal shock.The narrow band gap of the semiconductor material Fe_(3)O_(4) greatly reduces the recombination of electron-hole pairs,enhancing non-radiative relaxation light absorption.The abundantπorbitals in rGO promote electron excitation and thermal vibration between the lattices.Control of the surface hydrophilicity and hydrophobicity promotes salt resistance while simultaneously achieving the purification of various complex polluted waters.The optimized GFM-3 sponge exhibitedan enhanced photothermal conversion rate of 97.3% and a water evaporation rate of 2.04 kg/(m^(2)·hr),showing promising synergistic water purification properties.These findings provide a highly efficient photothermal sponge for practical applicationsof seawater desalination and purification,as well as develop a super-rapid processing methodology for evaporation devices. | Youkun Sun Xiuwen Zhao Xueling Song Jinchen Fan Junhe Yang Yingchun Miao Shuning Xiao | 2024 | Journal of Environmental Sciences2024，，4： | 0 |
| 8 | ITER Shield Blanket Design Activities at SWIP显示文摘 | ZHANG Fu KANG Weishan WU Jihong FU Youkun CHEN Jiming Filippo E. | 2006 | Southwestern Institute of Physics Annual Report2006，，1： | 0 |
| 9 | Unraveling the role of NiSnPH@OOH/CC perovskite hydroxide for efficient electrocatalytic oxidation of methanol to formate显示文摘The sluggish kinetics of oxygen evolution reaction(OER)is the key tailback for hydrogen production from the water electrolysis.Masking OER with thermodynamically auspicious methanol oxidation reaction(MOR)can significantly boost the H_(2) and value-added products production.However,it is currently challenging to achieve a synergistic manipulation of product selectivity and performance for MOR electrocatalyst.Herein,we report NiSnPH@OOH/CC(CC=carbon cloth)perovskite hydroxide nanosphere as an efficient MOR electrocatalyst with high activity,stability,and selectivity towards methanol oxidation to formate.A surface amorphous layer of defect rich NiOOH was generated in operando by selective Sn leaching with stable perovskite hydroxide bulk structure,which mitigates the oxidative power and optimizes the local coordination environment of the active NiOOH sites.In situ Raman combined with electrochemical studies further confirm the key active species,NiOOH,generated in operando enhance the MOR and blocking the over oxidation of methanol to CO_(2).As a result,NiSnPH@OOH/CC effectively masks the OER and attains>99%selectivity with 100%Faradic efficiency for methanol-to-formate.The results of this study show the advances of NiSnPH@OOH/CC as an efficient electrocatalyst for MOR and also suggest its potential applications for various small organic molecules oxidation. | Jing Shao Yusheng Fang Xiaobing Wu Muhammad Imran Abdullah Youkun Tao | 2024 | Nano Research2024，17，4： | 0 |
| 10 | Effects of English Learning Motivational Beliefs on Non-English Majors’ Use of Motivational Regulation Strategies显示文摘This study aims to explore the effects of motivational beliefs on non-English majors’ use of motivational regulation strategies by establishing a structural equation model. The survey of 301 sophomores indicated that(1)three motivational beliefs,self-efficacy,mastery goal orientation and task value correlated positively and significantly with each other;(2)all of them had direct and positive effects on the use of motivational regulation strategies and could predict 53% variance of the use of motivational regulation strategies;(3)self-efficacy had the largest direct and positive effects,mastery goal orientation’s effects were the second,and task value’s effects were the third. | WANG Youkun | 2016 | 外语教育2016，，1： | 0 |
| 11 | Strain effects on the interfacial thermal conductance of graphene/h-BN heterostructure显示文摘Previous experimental and computational results have confirmed that the thermal conductivity of a twodimensional(2D) material can be considerably affected by strain. Numerous attention has been paid to explore the relevant mechanisms. However, the strain effects on the interfacial thermal conductance(ITC) of 2D heterostructure have attracted little attention. Herein, the non-equilibrium molecular dynamics(NEMD) simulations were conducted to the graphene/hexagonal boron nitride(GR/h-BN) heterostructure to investigate the strain effects on the ITC. Three types of strains were considered, i.e., tensile strain, compressive strain, and shear strain.The results indicate that the strain can adjust the ITC for the GR/h-BN heterostructure effectively, and the strain loading direction also influences the ITC. Generally, the tensile strain reduces the ITC of the heterostructure, in addition to the BN-C system at small tensile strain;both the compressive strain and shear strain increase the ITC,especially at a small strain. For the NB-C system, it is more sensitive to the strain loading direction and the yx shear strain of 0.06 is the most effective way to strengthen the ITC. Our results also show that the out-of-plane deformation weakens the in-plane vibration of atoms, leading to a reduction of the interfacial thermal energy transport. | Feng Liu YouKun Gong Rui Zou Huiming Ning Ning Hu Yaolu Liu Liangke Wu Fuhao Mo Shaoyun Fu Cheng Yan | 2022 | Nano Materials Science2022，4，3： | 0 |
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