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| 1 | Nondestructive Testing and Characterization of Residual Stress Field Using an Ultrasonic Method显示文摘To address the difficulty in testing and calibrating the stress gradient in the depth direction of mechanical components, a new technology of nondestructive testing and characterization of the residual stress gradient field by ultrasonic method is proposed based on acoustoelasticity theory. By carrying out theoretical analysis, the sensitivity coefficients of different types of ultrasonic are obtained by taking the low carbon steel(12%C) as a research object. By fixing the interval distance between sending and receiving transducers, the mathematical expressions of the change of stress and the variation of time are established. To design one sending-one receiving and oblique incidence ultrasonic detection probes, according to Snell law, the critically refracted longitudinal wave(LCR wave) is excited at a certain depth of the fixed distance of the tested components. Then, the relationship between the depth of LCR wave detection and the center frequency of the probe in Q235 steel is obtained through experimental study. To detect the stress gradient in the depth direction, a stress gradient LCR wave detection model is established, through which the stress gradient formula is derived by the relationship between center frequency and detecting depth. A C-shaped stress specimen of Q235 steel is designed to conduct stress loading tests, and the stress is measured with the five group probes at different center frequencies. The accuracy of ultrasonic testing is verified by X-ray stress analyzer. The stress value of each specific depth is calculated using the stress gradient formula. Accordingly, the ultrasonic characterization of residual stress field is realized. Characterization results show that the stress gradient distribution is consistent with the simulation in ANSYS. The new technology can be widely applied in the detection of the residual stress gradient field caused by mechanical processing, such as welding and shot peening. | SONG Wentao XU Chunguang PAN Qinxue SONG Jianfeng | 2016 | Chinese Journal of Mechanical Engineering2016，29，2： | 27 |
| 2 | Comparison of Chlorophyll and Photosynthesis Parameters of Floating and Attached Ulva prolifera显示文摘In mid-May 2008 a serious green tide caused mainly by floating Ulva prolifera(Mller) J.Agardh(Chlorophyta,Ulvales) thalli struck the coastal area of Qingdao,China.To understand the present physiological conditions of the floating alga,in this work both laboratory and field investigations were conducted on the floating U.prolifera thalli in comparison with the attached U.prolifera thalli collected from the area.The floating thalli of three distinctively different colors and attached thalli at three different stages of sporangium formation process were characterized under a microscope,while their photosynthetic parameters were determined with chlorophyll fluorescence technology.On the other hand,the sporangium formation status of the floating U.prolifera thalli was surveyed both in the laboratory and in the field.Comparisons showed that both of the paired morphological characteristics and the paired physiological parameters of the floating and attached U.prolifera thalli were consistent.Furthermore,some spores were confirmed in the field and some motile particles were found within the floating thalli.These results suggest that the floating U.prolifera thalli with different colors could be at different stages of sporangium formation.However,our results also showed that the floating alga thalli have only a limited reproductive potential.This might limit the duration and the further geographic expansion of the green algal bloom. | Apeng Lin Songdong Shen Guangce Wang Qianqian Yi Hongjin Qiao Jianfeng Niu Guanghua Pan | 2011 | Journal of Integrative Plant Biology2011，53，1： | 20 |
| 3 | Research and Application Prospect of Computer Simulation on Heat Treatment Process显示文摘In this paper, a modified temperature-phase transformation-stress/strain field coupled 3D non-linear mathematical model was used in the computer simulation on heat treatment processes of workpieces including catch jaw, anchor ring, cold roller, large-scale bearing roller, nitriding crank shaft, etc. The simulation on complicated technologies such as pre-cooled quenching, double media quenching, self-tempering, difference temperature heating, nitriding distortion was carried out. The optimum design of heat treatment technology has been realized. The successful application of computer simulation on heat treatment have also been demonstrated. | Pan Jiansheng, Li Yongjun, Cu Jianfeng, Hu Mingjuan Open Research Lab for High Temperature Materials & Testing, SJTU, Shanghai, 200030 | 2000 | Journal of Shanghai Jiaotong university(Science)2000，5，1： | 19 |
| 4 | Land-use induced changes in topsoil organic carbon stock of paddy fields using MODIS and TM/ETM analysis:A case study of Wujiang County,China显示文摘Topsoil soil organic carbon (SOC) that plays an important role in mitigating atmospheric carbon dioxide (CO_2) buildup is greatly affected by human activities.To evaluate the influence of land-use changes on SOC stocks in paddy soils,a new algorithm was developed by integrating MODIS (moderate resolution imaging spectral-radiometer) and TM/ETM data for timely monitoring the land-use change in Wujiang County.Thereafter,the land-use class-maps derived from MODIS and TM/ETM analyses were further used to est... | GAO, Jianfeng PAN, Genxing JIANG, Xiaosan PAN, Jianjun ZHUANG, Dafang | 2008 | Journal of Environmental Sciences2008，20，7： | 15 |
| 5 | Bile acids evoke placental inflammation by activating Gpbar1/NF-κB pathway in intrahepatic cholestasis of pregnancy显示文摘Intrahepatic cholestasis of pregnancy(ICP)is a cholestatic disorder with potentially deleterious consequences for fetuses.Although a clear correlation between the elevated levels of maternal serum bile acids and deficient fetal outcome has been established in clinical practice,the underlying mechanisms remain elusive.Herein,we report that bile acids induce NF-κB pathway activation via G protein-coupled bile acid receptor 1(Gpbar1),with consequent upregulation of inflammatory genes in trophoblasts,leading to aberrant leukocyte infiltration and inflammation in placenta.Ursodeoxycholic acid(UDCA),a drug used clinically to treat ICP,competes with other bile acids for binding with Gpbar1 and thus inhibits bile acid-induced inflammatory response in trophoblasts and improves fetal survival in pregnant rats with obstructive cholestasis.Notably,inhibition of NF-κB by andrographolide is more effective than UDCA in benefiting placentas and fetuses.Thus,anti-inflammation therapy targeting Gpbar1/NF-κB pathway could be effective in suppressing bile acid-induced inflammation and alleviating ICP-associated fetal disorders. | YouHua Zhang YouDong Pan ChangDong Lin YaJuan Zheng Hao Sun HaiLong Zhang JunLei Wang MengYa Yuan Tao Duan QiaoLing Du JianFeng Chen | 2016 | Journal of Molecular Cell Biology2016，8，6： | 8 |
| 6 | Design of Quenching Process for Large-sized AISI P20 Steel Block Used as Plastic Die显示文摘与超过 200 公里的厚度为钢块用作塑料的大尺寸的 AISI P20 死,适当熄灭过程是钥匙获得许多厚变硬的层。在这篇论文, AISI P20 钢的不同熄灭过程堵住例如熄灭的油,熄灭的直接的水,与预先凉下来和与预先凉下来熄灭 脾气andself 的水熄灭的水被计算机模拟数字地基于包括热转移,热物理性质,潜热,热转移系数和阶段转变的计算的部分微分方程熄灭进程的数学模型的详细讨论调查,结果证明与预先凉下来和 self-temperingprocess 熄灭的水不能仅仅有效地避免熄灭裂缝,而且更深获得变硬深度比熄灭的油。 | Dongli SONG Jianfeng GU Jiansheng PAN Xin YAO | 2006 | Journal of Materials Science & Technology2006，22，1： | 7 |
| 7 | Trace bis-(3-sulfopropyl)-disulfide enhanced electrodeposited copper foils显示文摘Smooth and strong copper foils are highly required for the development of printed circuit boards and Li-ion batteries.Adding additives is an efficient and low-cost method to enhance electrodeposited copper foils.Here we chose Bis-(3-sulfopropyl)-disulfide(SPS)as the additive and investigated its concentration on the surface roughness and tensile strength of the electrodeposited copper foils.A copper foil with the smoothest surface(Rz=2.1μm)and the highest tensile strength(~338 MPa)was prepared with1.5 mg/L SPS.The contact angle on the copper foil decreased with the reduction of surface roughness.The enhancing mechanism of the SPS was investigated by scanning electron microscopy and X-ray diffraction.The refined grain and enhanced(220)texture were considered to be the radical reason for the smooth and strong copper foils.The electrochemical results prove the suppressing effect is related to the SPS adsorption. | Lingling Liu Yeqiang Bu Yue Sun Jianfeng Pan Jiabin Liu Jien Ma Lin Qiu Youtong Fang | 2021 | Journal of Materials Science & Technology2021，，15： | 6 |
| 8 | Effects of high-frequency oscillatory ventilation and conventional mechanical ventilation on oxygen metabolism and tissue perfusion in sheep models of acute respiratory distress syndrome显示文摘 | Liu Songqiao Huang Yingzi Wang Maohua Chen Qiuhua Liu Ling Xie Jianfeng Tan Li Guo Fengmei Yang Congshan Pan Chun Yang Yi Qiu Haibo | 2014 | Chinese Medical Journal2014，，18： | 6 |
| 9 | Numerical Simulation on Thermal Stress of Large-scale Bearing Roller during Heating Process of Final Heat Treatment显示文摘hi this paper, the non-linear finite element method had been applied to calculate the thermal stress evolving process of the large-scale bearing roller during heating process of final heat treatment. It was found that two stress peaks appeared during heating process and the second stress peak was higher than the first. If the preheating time was elongated, the second stress peak was reduced distinctly. Therefore, the pre-heating time should be elongated suitably to ensure safety in the practical manufacture process. | Li Yongjun, Pan Jiansheng, Zhang Weimin, Gu Jianfeng, Hu Mingjuan Open Lab of the Educational Ministry for High Temperature Material & Tests, SJTU, Shanghai, 200030 | 2000 | Journal of Shanghai Jiaotong university(Science)2000，5，1： | 4 |
| 10 | First experimental constraints on WIMP couplings in the effective field theory framework from CDEX显示文摘We present weakly interacting massive particles(WIMPs) search results performed using two approaches of effective field theory from the China Dark Matter Experiment(CDEX), based on the data from both CDEX-1B and CDEX-10 stages. In the nonrelativistic effective field theory approach, both time-integrated and annual modulation analyses were used to set new limits for the coupling of WIMP-nucleon effective operators at 90% confidence level(C.L.) and improve over the current bounds in the low mχregion. In the chiral effective field theory approach, data from CDEX-10 were used to set an upper limit on WIMP-pion coupling at 90% C.L. We for the first time extended the limit to the m_(χ)<6 GeV/c^(2) region. | Yi Wang Zhi Zeng Qian Yue LiTao Yang KeJun Kang YuanJing Li Mehment Agartioglu HaiPeng An JianPing Chang JingHan Chen YunHua Chen JianPing Cheng Cheng Yi Chiang WenHan Dai Zhi Deng ChangHao Fang XinPing Geng Hui Gong QiuJu Guo XuYuan Guo HongJian He Li He ShengMing He JinWei Hu TuChen Huang HanXiong Huang HaiTao Jia LiPing Jia Xi Jiang HauBin Li JianMin Li Jin Li MingXuan Li RenMingJie Li Xia Li YuLan Li Bin Liao FongKay Lin ShinTed Lin ShuKui Liu YanDong Liu Yu Liu YuanYuan Liu ZhongZhi Liu Hao Ma YuCai Mao QiYuan Nie JinHua Ning Hui Pan NingChun Qi Jie Ren XiChao Ruan ChangSong Shang Vivek Sharma Ze She Lakhwinder Singh Monoj Kumar Singh TianXi Sun ChangJian Tang WeiYou Tang Yang Tian GuangFu Wang Li Wang Qing Wang Yu Chen Wang YunXiang Wang Zhen Wang Henry Tsz-King Wong ShiYong Wu YuCheng Wu HaoYang Xing Yin Xu Tao Xue YuLu Yan Nan Yi ChunXu Yu HaiJun Yu JianFeng Yue Ming Zeng BingTao Zhang Lei Zhang FengShou Zhang ZhenYu Zhang KangKang Zhao MingGang Zhao JiFang Zhou ZuYing Zhou JingJun Zhu | 2021 | Science China(Physics,Mechanics & Astronomy)2021，64，8： | 3 |
| 11 | Research Progress and the Main Achievements of The Regional Geology of China Preface显示文摘Introduction to The Regional Geology of China In 2008, a new project concerning the recompilation of The Regional Geology of China (RGC) was assigned by the Chinese Geological Survey (CGS) and undertaken by the Institute of Geology, Chinese Academy of Geological Sciences (CAGS). Li Tingdong, an academician of the Chinese Academy of Sciences (CAS), is the chief leader and chief scientist of the project. The last time The Regional Geology of China was compiled was in the 1980s (Cheng, 1994). | DING Xiaozhong ZHANG Kexin GAO Linzhi LU Songnian PAN Guitang XIAO Qinghui LIU Yong PANG Jianfeng | 2020 | Acta Geologica Sinica(English Edition)2020，94，4： | 3 |
| 12 | Poly(α-L-lysine)-based nanomaterials for versatile biomedical applications:Current advances and perspectives显示文摘Poly(α-L-lysine)(PLL)is a class of water-soluble,cationic biopolymer composed ofα-L-lysine structural units.The previous decade witnessed tremendous progress in the synthesis and biomedical applications of PLL and its composites.PLL-based polymers and copolymers,till date,have been extensively explored in the contexts such as antibacterial agents,gene/drug/protein delivery systems,bio-sensing,bio-imaging,and tissue engineering.This review aims to summarize the recent advances in PLL-based nanomaterials in these biomedical fields over the last decade.The review first describes the synthesis of PLL and its derivatives,followed by the main text of their recent biomedical applications and translational studies.Finally,the challenges and perspectives of PLL-based nanomaterials in biomedical fields are addressed. | Maochao Zheng Miao Pan Wancong Zhang Huanchang Lin Shenlang Wu Chao Lu Shijie Tang Daojun Liu Jianfeng Cai | 2021 | Bioactive Materials2021，6，7： | 2 |
| 13 | A Bayes Based Region-Growing A1 gorithm for Medical Image Segmentation显示文摘 | Zhigeng Pan Jianfeng Lu | 2007 | Computing in Sci ence and Engineering2007，9，4： | 1 |
| 14 | Clinicopathological characteristics of 8697 patients with COVID-19 in China:a meta-analysis显示文摘Objective Our study aims to present a summary of the clinicopathological characteristics of patients affected by the coronavirus disease 2019(COVID-19)that can be used as a reference for further research and clinical decisions.Design Studies were included in the meta-analysis if they had cohort,case-control or case series designs and provided sufficient details on clinical symptoms,laboratory outcomes and asymptomatic patients.setting PubMed,Embase,Chinese Biomedical Literature Database,Wanfang,China Science and Technology Journal Database and China National Knowledge Infrastructure databases were electronically searched to identify related studies published between 1 January 2020 and 16 March 2020.Three reviewers independently examined the literature,extracted relevant data and assessed the risk of publication bias before including the studies in the meta-analysis.Participants The confirmed cases of COVID-19.results A total of 55 unique retrospective studies involving 8697 patients with COVID-19 were identified.Meta-analysis showed that a higher proportion of infected patients were male(53.3%),and the two major symptoms observed were fever(78.4%)and cough(58.3%).Other common symptoms included fatigue(34%),myalgia(21.9%),expectoration(23.7%),anorexia(22.9%),chest tightness(22.9%)and dyspnoea(20.6%).Minor symptoms included nausea and vomiting(6.6%),diarrhoea(8.2%),headache(11.3%),pharyngalgia(11.6%),shivering(15.2%)and rhinorrhea(7.3%).About 5.4%of the patients were asymptomatic.Most patients showed normal leucocyte counts(64.7%)and elevated C reactive protein levels(65.9%).Lymphopaenia was observed in about 47.6%of the infected patients,along with abnormal levels of myocardial enzymes(49.4%)and liver function(26.4%).Other findings included leucopenia(23.5%),elevated D-dimer(20.4%),elevated erythrocyte sedimentation rate(20.4%),leucocytosis(9.9%),elevated procalcitonin(16.7%)and abnormal renal function(10.9%).Conclusions The most commonly experienced symptoms of patients with COVID-19 were fever and cough.Myalgia,anorexia,chest tightness and dyspnoea were found in some patients.A relatively small percentage of patients were asymptomatic and could act as carriers of the disease.Most patients showed normal leucocyte counts,elevated levels of C reactive protein and lymphopaenia,confirming the viral origin of the disease. | Jieyun Zhu Zhimei Zhong Pan Ji Hongyuan Li Bocheng Li Jielong Pang Jianfeng Zhang Chunling Zhao | 2020 | Family Medicine and Community Health2020，8，2： | 1 |
| 15 | Micro combustion in sub-millimeter channels for novel modular thermophotovoltaic power generators 显示文摘 | Pan Jianfeng Yang Wenming Tang Aikun | 2010 | Journal of Micromechanics and Microengineering2010，20，12： | 1 |
| 16 | Numerical study of premixed hydrogen/air combustion in a micro planar combustor with parallel separating plates显示文摘 | Tang Aikun Pan Jianfeng Yang Wenming | 2015 | International Journal of Hydrogen Energy2015，40，5： | 1 |
| 17 | Investigation on the removal of NO from SO2 containing simulated flue gas by an ultraviolet/Fenton-like reaction显示文摘 | LIU Yangxian ZHANG Jun PAN Jianfeng | 2012 | Energy & Fuels Re- action2012，26，9： | 1 |
| 18 | Application of computer simulation on quenching process显示文摘 | Gu Jianfeng Pan Jiansheng Hu Mingjuan | 2000 | Heat Treatment of Metals2000，25，5： | 1 |
| 19 | Photochemical oxidation removal of Hg~ from flue gas containing SO2/NO by an ultraviolet irradiation/hydrogen peroxide (UV/H2 02 ) process显示文摘 | Liu Yangxian Zhang Jun Pan Jianfeng | 2014 | Energy Fuels2014，28，： | 1 |
| 20 | Gaseous nitriding process of surface nanoerystallized (SNCed) steel显示文摘 | Bei Duohui Gu Jianfeng Pan Jiansheng | 2002 | J Mater Sci Techn2002，18，6： | 1 |
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