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| 1 | Flexible conductive polymer composites for smart wearable strain sensors显示文摘Wearable strain sensors based on flexible conductive polymer composites(FCPCs)have attracted great attention due to their applications in the fields of human–machine interaction,disease diagnostics,human motion detection,and soft robotic skin.In recent decades,FCPC‐based strain sensors with high stretchability and sensitivity,short response time,and excellent stability have been developed,which are expected to be more versatile and intelligent.Smart strain sensors are required to provide wearable comfort,such as breathability,selfcooling ability,and so forth.To adapt to the harsh environment,wearable strain sensors should also be highly adaptive to protect the skin and the sensor itself.In addition,portable power supply system,multisite sensing capability,and multifunctionality are crucial for the next generation of FCPC‐based strain sensor. | Kangkang Zhou Kun Dai Chuntai Liu Changyu Shen | 2020 | SmartMat2020，1，1： | 7 |
| 2 | High power and stable P-doped yolk-shell structured Si@C anode simultaneously enhancing conductivity and Li^(+)diffusion kinetics显示文摘Silicon is a low price and high capacity ancxje material for lithium-ion batteries.The yolk-shell structure can effectively accommodate Si expansion to improve stability.However,the limited rate performance of Si anodes can't meet people's growing demand for high power density.Herein,the phosphorus-doped yolk-shell Si@C materials(P-doped Si@C)were prepared through carbon coating on P-doped Si/SiO_(x)matrix to obtain high power and stable devices.Therefore,the as-prepared P-doped Si@C electrodes delivered a rapid increase in Coulombic efficiency from 74.4%to 99.6%after only 6 cycles,high capacity retention of-95%over 800 cycles at 4 A·g^(-1),and great rate capability(510 mAh·g^(-1)at 35 A·g^(-1)).As a result,P-doped Si@C anodes paired with commercial activated carbon and LiFePO_(4)cathode to assemble lithium-ion capacitor(high power density of〜61,080 W·kg^(-1)at 20 A·g^(-1))and lithium-ion full cell(good rate performance with 68.3 mAh·g^(-1)at 5 C),respectively.This work can provide an effective way tofurther improve power density and stability for energy storage devices. | Ming Chen Qinnan Zhou Jiantao Zai Asma Iqbal TsegayeTadesse Tsega Boxu Dong Xuejiao Liu Yuchi Zhang Changyu Yan Liang Zhao Ali Nazakat SharelPeisan E CheeTongJohn Low Xuefeng Qian | 2021 | Nano Research2021，14，4： | 5 |
| 3 | Robust double-layered ANF/MXene-PEDOT:PSS Janus films with excellent multi-source driven heating and electromagnetic interference shielding properties显示文摘The strategy of incorporating polymers into MXene-based functional materials has been widely used to improve their mechanical properties,however with inevitable sacrifice of their electrical conductivity and electromagnetic interference(EMI)shielding performance.This study demonstrates a facile yet efficient layering structure design to prepare the highly robust and conductive double-layer Janus films comprised of independent aramid nanofiber(ANF)and Ti3C2Tx MXene/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)(PEDOT:PSS)layers.The ANF layer serves to provide good mechanical stability,whilst the MXene/PEDOT:PSS layer ensures excellent electrical conductivity.Doping PEDOT:PSS into the MXene layer enhances the interfacial bonding strength between the MXene and ANF layers and improves the hydrophobicity and water/oxidation resistance of MXene layer.The resultant ANF/MXene-PEDOT:PSS Janus film with a conductive layer thickness of 4.4μm was shown to display low sheet resistance(2.18Ω/sq),good EMI shielding effectiveness(EMI SE of 48.1 dB),high mechanical strength(155.9 MPa),and overall toughness(19.4 MJ/m^(3)).Moreover,the excellent electrical conductivity and light absorption capacity of the MXene-PEDOT:PSS conductive layer mean that these Janus films display multi-source driven heating functions,producing excellent Joule heating(382℃ at 4 V)and photothermal conversion(59.6℃ at 100 mW/m^(2))properties. | Bing Zhou Jianzhou Song Bo Wang Yuezhan Feng Chuntai Liu Changyu Shen | 2022 | Nano Research2022，15，10： | 4 |
| 4 | An analytical symplectic approach to the vibration analysis of orthotropic graphene sheets显示文摘A nonlocal continuum orthotropic plate model is proposed to study the vibration behavior of single-layer graphene sheets(SLGSs) using an analytical symplectic approach. A Hamiltonian system is established by introducing a total unknown vector consisting of the displacement amplitude, rotation angle, shear force, and bending moment.The high-order governing differential equation of the vibration of SLGSs is transformed into a set of ordinary differential equations in symplectic space. Exact solutions for free vibration are obtianed by the method of separation of variables without any trial shape functions and can be expanded in series of symplectic eigenfunctions. Analytical frequency equations are derived for all six possible boundary conditions. Vibration modes are expressed in terms of the symplectic eigenfunctions. In the numerical examples, comparison is presented to verify the accuracy of the proposed method. Comprehensive numerical examples for graphene sheets with Levy-type boundary conditions are given. A parametric study of the natural frequency is also included. | Xinsheng Xu Dalun Rong C.W.Lim Changyu Yang Zhenhuan Zhou | 2017 | Acta Mechanica Sinica2017，33，5： | 4 |
| 5 | Design Aspects of Hybrid HVDC System显示文摘Hybrid high voltage direct current transmission(Hybrid HVDC)is a new type of HVDC technology developed in recent years.It combines the characteristics of large-capacity and low cost of the line commutated converters(LCC)and non-commutation failure and dynamic reactive power support of the voltage sourced converters(VSCs)in one HVDC system.It has technical advantages in the fields of unidirectional power transmission and in the application of improving the stability of multi-infeed HVDCs,giving it broad application prospects.This paper defines the basic form of hybrid HVDC first and discusses the characteristics and challenges of different hybrid HVDCs.Then,it analyzes the matching characteristics between LCC and VSC in the station-station hybrid HVDC,studies the key technologies,such as VSC topologies and control strategies for clearing the DC overhead line faults,and introduces the key technologies for analyzing and suppressing the high-frequency resonances between VSC and the power grid.In this paper,using the Wudongde UHV multi-terminal HVDC as an example,the proposed key technologies are analyzed and verified. | Hong Rao Yuebin Zhou Changyue Zou Shukai Xu Yan Li Liu Yang Weihuang Huang | 2021 | CSEE Journal of Power and Energy Systems2021，7，3： | 2 |
| 6 | A stochastic computation model for the creep damage of furnace tube显示文摘 | Zhou Changyu Tu shandong | 2001 | The International Journal of Pressure Vessels and Piping2001，78，9： | 1 |
| 7 | Global convergence and finite termination of a class of smooth penalty function algorithms显示文摘 | Changyu Wang Wenling Zhao Jinchuan Zhou Shujun Lian | 2013 | Optimization Methods and Software2013，，： | 1 |
| 8 | Creep Analysis of the Pipe with Local Thinning Defect under Pressure and Moment at High Temperature显示文摘 | Changyu Zhou Jilin Xue Guodong Zhang | 2008 | Journal of Pressure Equipment and Systems2008，6，1： | 1 |
| 9 | Finite Element Simulation of Limit Load of Components at High Temperature显示文摘 | Jian PENG Changyu ZHOU Jilin XUE Xiaohua HE Qiao DAI | 2012 | Materials Science Forum Vols2012，，： | 1 |
| 10 | Thermodynamic analysis of metal dusting on iron in CO-H_2-H_2O atmosphere显示文摘This paper provides a calculation method for carbon activity in CO-H2-H2O atmosphere. The thermodynamic parameters (aC)gas (carbon activity in environment) of different compositions at any temperature can be obtained by △GTo . A theoretical analysis has been conducted into the thermodynamic role of iron and the dependence of possible metal-dusting occurrence on temperature, gas composition and total pressure. In CO-H2-H2O gas mixtures, decreasing the molar fraction of H2O and increasing total pressure expands the temperature region for metal dusting. In CO-H2-H2O gas mixture of different compositions at any temperature and pressure for Fe, depending on relative values of (aC)gas, (aC)Fe3C/Fe and aC = 1, three zones were found to exist. | Na Lei Changyu Zhou Guiming Hu Cheng Chen | 2009 | Journal of Natural Gas Chemistry2009，18，2： | 1 |
| 11 | Creep analysis of lhe pipe with local thinning defect under pressure and moment at high temperature显示文摘 | Zhou Changyu Xue Jilin Zhang Guodong | 2008 | Journal of Pressure Equipment and Systems2008，6，1： | 1 |
| 12 | Numerical Simulation of Welding Residual Stress and Post weld Heat Treatment for Dissimilar Steel Welded Joint 显示文摘 | Guodong ZHANG Changyu ZHOU | 2008 | Materials Science Forum2008，，： | 1 |
| 13 | Safety assessment of pipes with multiple local wall thinning defects under pressure and bending moment 显示文摘 | Peng Jian Zhou Changyu Xue Jiling | 2011 | Nuclear Engineering and Design2011，241，： | 1 |
| 14 | Charactering the spoilage mechanism of'three sticks'of Jinhua ham显示文摘To investigate the spoilage characteristics of Jinhua ham,sensory scores,volatile compounds,biogenic amine,physicochemical parameters and microbial counts were evaluated between normal and spoiled hams.The results showed that off-odors of spoiled hams were dominated by rancid,sour,sulfide and ammonia odors derived from these compounds including butanoic acid,methanethiol and dimethyl disulfide.Total content of biogenic amine in spoiled hams was significantly higher(more than 10-fold)compared with normal hams,and putrescine,cadaverine and histamine were the key components of biogenic amine of spoiled hams.Lower salt content,and higher moisture,TVB-N and thiobarbituric acid reactive substances(TBARS)values were observed in spoiled hams compared with normal hams.The populations of Enterobacteriaceae and Enterococcus of spoiled hams were obviously higher than that of normal hams.High moisture and low salt content caused the abnormal growth of Enterobacteriaceae and Enterococcus in spoiled hams,which contributed to the spoilage of Jinhua ham. | Changyu Zhou Guang Zhan Daodong Pan Guanghong Zhou Ying Wang Jun He Jinxuan Cao | 2022 | Food Science and Human Wellness2022，11，5： | 1 |
| 15 | Creep analysis of the pipe with local thinning defect under pressure and moment at high temperature显示文摘 | Zhou Changyu Xue Jilin Zhang Guodong | 2008 | Journal of Pressure Equipment and Systems2008，6，6： | 1 |
| 16 | Shen Qi Wan attenuates renal interstitial fibrosis through upregulating AQP1显示文摘Renal interstitial fibrosis(RIF)is the crucial pathway in chronic kidney disease(CKD)leading to the end-stage renal failure.However,the underlying mechanism of Shen Qi Wan(SQW)on RIF is not fully understood.In the current study,we investigated the role of Aquaporin 1(AQP1)in SQW on tubular epithelial-to-mesenchymal transition(EMT).A RIF mouse model induced by adenine and a TGF-β1-stimulated HK-2 cell model were etablished to explore the involvement of AQP 1 in the protective effect of SQW on EMT in vitro and in vivo.Subsequently,the molecular mechanism of SQW on EMT was explored in HK-2 cells with AQP1 knockdown.The results indicated that SQW alleviated kidney injury and renal collagen deposition in the kidneys of mice induced by adenine,increased the protein expression of E-cadherin and AQP1 expression,and decreased the expression of vimentin andα-smooth muscle actin(α-SMA).Similarly,treatmement with SQW-containing serum significantly halted EMT process in TGF-β1 stimulated HK-2 cells.The expression of snail and slug was significantly upregulated in HK-2 cells after knockdown of AQP1.AQP1 knockdown also increased the mRNA expression of vimentin andα-SMA,and decreased the expression of E-cadherin.The protein expression of vimentin increased,while the expression of E-cadherin and CK-18 significantly decreased after AQP1 knockdown in HK-2 cells.These results revealed that AQP1 knockdown promoted EMT.Furthermore,AQP1 knockdown abolished the protective effect of SQW-containing serum on EMT in HK-2 cells.In sum,SQW attentuates EMT process in RIF through upregulation of the expression of AQP1. | LIN Yiyou WEI Jiale ZHANG Yehui HUANG Junhao WANG Sichen LUO Qihan YU Hongxia JI Liting ZHOU Xiaojie LI Changyu | 2023 | Chinese Journal of Natural Medicines2023，21，5： | 1 |
| 17 | Finite element simula- tion of limit load of components at high temperature显示文摘 | Peng Jian Zhou Changyu Xue Jilin | 2012 | Materials Science Forum2012，，： | 1 |
| 18 | A stochastic computation model for the creep damage of furnace tube显示文摘 | Changyu Zhou Shandong Tu | 2001 | International Journal of Pressure Vessels and Piping2001，，9： | 1 |
| 19 | Gynecologic infections seen in ThinPrep cytological test in Wuhan, China显示文摘这研究试图分析流行细菌,在 ThinPrep cytological 测试(TCT ) 的 Candida, Trichomonas,和人的乳头状瘤病毒(HPV ) 感染表现在中国武汉的女人上。ThinPrep 油迹被二个独立富有经验的病理学家屏蔽并且从 2008 ~ 2010 报导了。46 866 ThinPrep 油迹的一个总数被学习,并且有发炎的油迹被分析。44 162 个注册病人,发炎变化被观察在 21 935 (49.7%) 并且在 6884 的特定的感染(31.4%) 。检测的感染如下:细菌, 5663 (82.3%) ;Candida, 825 (12.0%) ;Trichomonas, 273 (4.0%) ;并且 HPV, 148 (2.1%) 。重要变化在在 2010 前后经历了 TCT 的女人之中在细菌和 Candida 的流行被发现。< 啜 class= “ a-plus-plus ” > 2 揭示了在 2010 以后在油迹发现的特定的感染的一个增加的比例(P = 0.000 ) 。在结论,细菌的感染在 ThinPrep 油迹是最可检测的,由 Candida 和 Trichomonas 列在后面。TCT 识别的感染的流行被发现在在中国的以前的文学类似。 | Hang Zhou Yao Jia Jian Shen Shaoshuai Wang Xiong Li Ru Yang Kecheng Huang Ting Hu Fangxu Tang Jin Zhou Jingping Yuan Lei Huang Xun Tian Zhilan Chen Qinghua Zhang Changyu Wang Ling Xi Dongrui Deng Hui Wang Ding Ma Shuang Li | 2014 | Frontiers of Medicine2014，8，2： | 1 |
| 20 | Hydrate film growth at the interface between gaseous CO_2 and sodium chloride solution显示文摘Greenhouse gas CO2 has become a serious problem for human beings. The hydrate technology has been considered as a possible approach to sequester CO2. In this work, the lateral growth rates of a CO2 hydrate film in aqueous NaCl solutions of different concentrations were measured by means of suspending a single gas bubble in liquid. The results show that the film growth rates depended on not only the driving force, but also the NaCl concentration, and the film growth rates decreased with the increasing NaCl concentration. The simple relationship vf ∝ΔT5/2 could be used to correlate the hydrate film growth rate of a CO2 + NaCl + water system by introducing a NaCl concentration-dependent coefficient. The film thickness was investigated experimentally and evaluated theoretically; the results show that it became thicker at a higher NaCl concentration when the temperature and pressure were specified. In addition, a series of interesting phenomena, such as the occurrence of double hydrate films, were displayed and discussed. | PENG BaoZi, SUN ChangYu, CHEN GuangJin, YANG LanYing, ZHOU Wei & PANG WeiXin State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China | 2009 | Science China Chemistry2009，52，5： | 1 |
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