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| 1 | Experimental Study of Corner Stall in a Linear Compressor Cascade显示文摘In order to gain a better knowledge of the mechanisms and to calibrate computational fluid dynamics (CFD) tools including both Reynolds-averaged Navier-Stokes (RANS) and large eddy simulation (LES),a detailed and accurate experimental study of corner stall in a linear compressor cascade has been carried out.Data are taken at a Reynolds number of 382 000 based on blade chord and inlet velocity.At first,inlet flow boundary layer is surveyed using hot-wire anemometry.Then in order to investigate the effects of incidence,measurements are acquired at five incidences,including static pressures on both blade and endwall surfaces measured by pressure taps and the total pressure losses of outlet flow measured by a five-hole pressure probe.The maximum losses as well as the extent of losses of the corner stall are presented as a function of the investigated incidences. | MA Wei OTTAVY Xavier LU Lipeng LEBOEUF Francis GAO Feng | 2011 | Chinese Journal of Aeronautics2011，24，3： | 8 |
| 2 | A new free-hand pedicle screw placement technique with reference to the supraspinal ligament显示文摘We sought to compare the safety and accuracy of a new free-hand pedicle screw placement technique to that of the conventional technique.One hundred fifty-three consecutive adult patients with simple fracture in the thoracic or/and lumbar spine were alternately assigned to either the new free-hand or the conventional group.In the new free-hand technique group,preoperative computerized tomography(CT) images were used to calculate the targeted medial-lateral angle of each pedicle trajectory and the pedicle screw was inserted perpendicular to the corresponding supraspinal ligament.In the conventional technique group,the medial-lateral and cranial-caudal angle of each pedicle trajectory was determined by intraoperatively under fluoroscopic guidance.The accuracy rate of pedicle screw placement,the time of intraoperative fluoroscopy,the operating time and the amount of blood loss during operation were respectively compared.All screws were analyzed by using intraoperative radiographs,intraoperative triggered electromyography(EMG) monitoring data,postoperative CT data and clinical outcomes.The accuracy rate of pedicle screw placement in the new free-hand technique group and the conventional technique group was 96.3% and 94.2%(P < 0.05),respectively.The intraoperative fluoroscopy time of the new technique group was less than that of the conventional technique group(5.37 seconds vs.8.79 seconds,P < 0.05).However,there was no statistical difference in the operating time and the amount of blood loss during operation(P > 0.05).Pedicle screw placement with the free-hand technique which keeps the screw perpendicular to the supraspinal ligament is an accurate,reliable and safe technique to treat simple fracture in the thoracic or lumbar spine. | Juming Li Hong Zhao Hao Xie Lipeng Yu Jifu Wei Min Zong Feng Chen Ziqiang Zhu Ning Zhang Xiaojian Cao | 2014 | The Journal of Biomedical Research2014，28，1： | 7 |
| 3 | Comprehensive test stand for high-intensity cyclotron development显示文摘A comprehensive test stand for high-intensity cyclotron development,a 10 MeV 430 μA cyclotron,has been successfully constructed at China Institute of Atomic Energy (CIAE) for the experimental verification of the viability of a 100 MeV high-intensity cyclotron (CYCIAE-100) being constructed at CIAE.The verification includes the overall design technology,detail design and engineering technology for the crucial parts of the machine,e.g.main magnet and beam diagnostics.It will also pave the way for future enhancement of the beam intensity.The test stand consists of a H-ion source,axial injection system,central region,main magnet and coil,RF resonator,stripping extraction,and auxiliary systems,which include the RF power amplifier,high voltage and DC power supplies,electric apparatus,beam diagnostics,control,vacuum,water cooling,pneumatic system,and safety interlock.This paper presents the work regarding the design and sub-system development of the test sand,and the results of the beam commissioning of the machine. | ZHANG TianJue LI ZhenGuo CHU ChengJie XING JianSheng GUAN FengPing ZHONG JunQing JI Bin GE Tao YIN ZhiGuo HOU ShiGang PAN GaoFeng YAO HongJuan LU YinLong WANG ZhenHui WU LongCheng LIN Jun JIA XianLu WEI SuMin WEN LiPeng WANG Feng XIA Le CAI HongRu XIE HuaiDong CHEN RongFan ZHANG Yan ZHANG SuPing LIU GengShou ZOU Jian AN ShiZhong YANG JianJun BI YuanJie YANG Fang | 2011 | Chinese Science Bulletin2011，56，3： | 3 |
| 4 | Advances and perspectives in catalytic oxidation of hydrocarbons in liquid phase显示文摘This review article summarizes recent advances in catalytic oxidation of hydrocarbons,especially presents two strategies for activation of C-H bonds or molecular oxygen.Based on our own research results,the applications of the two methods in the oxidation of cyclohexane,toluene and ethyl benzene,etc.are introduced,and the perspectives of the two methods are also discussed. | Zhou Lipeng Yang Guanyu Zhang Wei Sun Zhiqiang Gao Jin Miao Hong Chen Chen Ma Hong Li Xiaoqiang Zhang Qiaohong Wang Feng Tong Xinli Xu Jie | 2007 | Progress in Natural Science:Materials International2007，17，9： | 2 |
| 5 | A New Diagnostic Method for Winding Short-Circuit Fault for SRM Based on Symmetrical Component Analysis显示文摘Winding short-circuit is one of the more common faults in switched reluctance motors(SRM).This paper takes an in-depth look at winding short-circuit.The characteristic of non-sinusoidal intermittent single phase current,fundamental components are extracted to reconstruct four phase symmetrical currents based on spectrum analysis of phase currents.The method of symmetrical component is used to calculate positive and negative sequence components of reconstructed currents,where then the ratio between positive and negative sequence component is seen as a fault feature and the diagnostic criterion is proposed.The simulation and experimental results are presented to confirm the implementation of the proposed method. | Li Xiao Hexu Sun Feng Gao Shuping Hou Lipeng Li | 2018 | Chinese Journal of Electrical Engineering2018，4，1： | 2 |
| 6 | Investigation on overvoltage caused by vacuum circuit breaker switching off shunt reactor in offshore wind farms显示文摘The multiple reignitions of vacuum circuit braker(VCB)while switching off the shunt reactor in an offshore wind farm(OWF)would produce a high overvoltage.The post-arc process of ion movement in the vacuum interrupter is analysed.Considering the sheath growth and ion concentration variation,the expression for dielectric recovery strength inside the VCB interrupter is derived.A novel VCB model is implemented in the environment of electromagnetic transient programme based on the new reignition criterion.Then,the switching overvoltage is computed and analysed in detail.For the OWF with high rising rate of transient recovery voltage,the sheath growth must be considered in the VCB model;otherwise,the overvoltage may be underestimated.Using resistor–capacitor(RC)snubber,a new installation scheme is proposed to suppress the overvoltage in the OWF.The results indicate that the proposed scheme can not only reduce the peak and steepness of overvoltage but also damp the high-frequency oscillation.It would not affect the steady-state operation of OWF.Besides,the capacitor of RC snubber normally does not bear the electric stress,and its life expectancy would be greatly enhanced. | Zhi Zheng Qiuqin Sun Jianlan Yang She Chen Feng Wang Lipeng Zhong | 2022 | High Voltage2022，7，5： | 2 |
| 7 | Modification of Spalart–Allmaras model with consideration of turbulence energy backscatter using velocity helicity显示文摘 | Yangwei Liu Lipeng Lu Le Fang Feng Gao | 2011 | Physics Letters A2011，，24： | 1 |
| 8 | miR-143 is downregulated in cervical cancer and promotes apoptosis andinhibits tumor formation by targeting Bcl-2显示文摘 | Lipeng Liu Xiaohua Yu Xiaofang Guo Zhi Tian Min Su Yu Long Chunxia Huang Feng Zhou Meiling Liu Xinhua Wu Xiaochun Wang | 2012 | Molecular Medicine Reports2012，，3： | 1 |
| 9 | An Efficient Certificateless Aggregate Signature Scheme Designed for VANET显示文摘The Vehicular Ad-hoc Network(VANET)is the fundamental of smart transportation system in the future,but the security of the communication between vehicles and vehicles,between vehicles and roadside infrastructures have become increasingly prominent.Certificateless aggregate signature protocol is used to address this security issue,but the existing schemes still have many drawbacks in terms of security and efficiency:First,many schemes are not secure,and signatures can be forged by the attacker;Second,even if some scheme are secure,many schemes use a large number of bilinear pairing operation,and the computation overhead is large.At the same time,the length of the aggregated signature also increases linearly with the increase of user numbers,resulting in a large communication overhead.In order to overcome the above challenges,we propose a new certificateless aggregate signature scheme for VANET,and prove the security of the scheme under the random oracle model.The new scheme uses pseudonym to realize the conditional privacy protection of the vehicle’s information.The new scheme does not use bilinear pairing operation,and the calculation efficiency is high.At the same time,the length of the aggregate signature of the new scheme is constant,thereby greatly reducing the communication and storage overhead.The analysis results demonstrate that the new scheme is not only safer,but also superior in performance to the recent related schemes in computation overhead and communication cost. | Cui Li Gang Wu Lipeng Xing Feng Zhu Liang Zhao | 2020 | Computers, Materials & Continua2020，，5： | 1 |
| 10 | All-fiber generation of arbitrary cylindrical vector beams on the first-order Poincare sphere显示文摘We propose a linear mapping relationship between the polarization of the fundamental mode and the cylindrical vector(CV)modes on the first-order Poincaresphere(FOPS)in fiber.The new method is based on the fourdimensional complex Jones matrices in terms of the linearly polarized mode bases.With our theoretical model,an all-fiber approach to generate arbitrary CV beams on the FOPS is proposed theoretically and verified experimentally.In the experiment,through the combination of a mode converter and a two-segment cascaded few-mode fiber with fixed stresses,it is possible to generate all CV modes on the FOPS by only adjusting the polarization of the fundamental mode.The Stokes parameters of the output light are measured to verify our scheme,which shows good agreement with the theoretical prediction.The method may provide a convenient way to generate CV beams and evolve the polarization states in any path on the FOPS,which is expected to have potential applications in encoding information and quantum computation. | LIPENG FENG YAN LI SIHAN WU XUN GUAN CHEN YANG WEIJUN TONG WEI LI JIFANG QIU XIAOBIN HONG YONG ZUO HONGXIANG GUO ERHU CHEN JIAN WU | 2020 | Photonics Research2020，8，8： | 1 |
| 11 | Parameter study on numerical simulation of corner separation in LMFA-NACA65 linear compressor cascade显示文摘Large-eddy simulation(LES) is compared with experiment and Reynolds-averaged Navier-Stokes(RANS), and LES is shown to be superior to RANS in reproducing corner separation in the LMFA-NACA65 linear compressor cascade, in terms of surface limiting streamlines,blade pressure coefficient, total pressure losses and blade suction side boundary layer profiles. However, LES is too expensive to conduct an influencing parameter study of the corner separation.RANS approach, despite over-predicting the corner separation, gives reasonable descriptions of the corner separated flow, and is thus selected to conduct a parametric study in this paper. Two kinds of influencing parameters on corner separation, numerical and physical parameters, are analyzed and discussed: second order spatial scheme is necessary for a RANS simulation; incidence angle and inflow boundary layer thickness are found to show the most significant influences on the corner separation among the parameters studied; unsteady RANS with the imposed inflow unsteadiness(inflow angle varying sinusoidally with fluctuating amplitude of 0.92°) does not show any non-linear effect on the corner separation. | Gao Feng Ma Wei Sun Jinjing Jérome Boudet Xavier Ottavy Liu Yangwei Lu Lipeng Shao Liang | 2017 | Chinese Journal of Aeronautics2017，30，1： | 0 |
| 12 | Development and Application of Ti-based Alloy Casting Technologies in the Field of Aerospace显示文摘Ti-based alloys have been widely applied in the aerospace field,owing to their outstanding performance.Precision casting can be used to make integrated near-net-shape components with complex thin-walled structures,which will further promote the engineering application of Ti-based alloys. In this paper,the research progress of Tibased alloys,e. g.,high-temperature Ti-based alloys,high-strength Ti-based alloys,TiAl-based alloys,Ti-based matrix composites,and their precision casting technologies are reviewed. In addition,the development directions of Tibased alloys are presented based on the application status of Ti-based alloys in the aerospace field. | HOU Zhengquan LI Baohui FENG Gangwen WU Jingxi FAN Lipeng GUO Yingfei CHEN Yuyong CHEN Bin ZHANG Xuliang | 2022 | 上海航天(中英文)2022，39，1： | 0 |
| 13 | Rcm2IT: Informatization Teaching Using Refined Classroom Management of Students’ Learning Process显示文摘In this paper,we propose an iterative,problem-and task-driven refined classroom management method for informatization teaching,dubbed Rcm2IT,based on data analysis of students’learning process.More specifically,Rcm2IT firstly classifies the teaching resources and elements in the unit of classroom sections,and designs the corresponding fine-grained templates and examples of teaching elements.Meanwhile,Rcm2IT divides students into different levels according to their previous classroom performance,and teaches students at different levels according to their aptitude.Finally,we implement the refined classroom management and assessment of students’learning process via our customized precise micro classroom platform(PMcP)based on the previous two stages.The designed PMcP can carry out real-time analysis and teaching evaluation,objectively and accurately measure and feedback the students’learning results,further iteratively optimize the teaching objectives.The course practice in“digital image processing”shows that Rcm2IT can not only support teachers to dynamically adjust the teaching content,but also teach students according to their aptitude,and improve the teaching quality and efficiency. | Hongping Gan Chunyan Ma Jun Shu Lipeng Gao Tao Zhang Xikang Feng | 2022 | 计算机教育2022，，12： | 0 |
| 14 | 氧化还原感应蛋白WhiB6调控结核性肉芽肿的发生和形成过程显示文摘结核分枝杆菌(Mycobacterium tuberculosis,Mtb)感染人后主要形成潜伏感染,机体的免疫系统在与Mtb的相互作用过程中会形成结核性肉芽肿,但结核性肉芽肿发生和形成过程的调控机制尚不清楚。 | Zhenkang Chen Yangbo Hu Bridgette M.Cumming Pei Lu Lipeng Feng Jiaoyu Deng Adrie J.C.Steyn 陈士云 | 2017 | 科学新闻2017，19，4： | 0 |
| 15 | Transformation of Coal Gangue to Sodalite and Faujasite Using Alkali-hydrothermal Method显示文摘The coal gangue as the only source of silicon and aluminum was employed to synthesize sodalite and faujasite using hydrothermal method,which directly treated the mixture of pre-treated coal gangue and NaOH solution under hydrothermal environment.X-ray powder diffraction analysis(XRD),thermogravimetry analysis(TG)and differential thermogravimetry analysis(DTG),scanning electron microscopy(SEM),high resolution transmission electron microscopy(HRTEM),N_(2)adsorption-desorption technique,X-ray photoelectron spectroscopy(XPS),etc.were used to characterize the samples.Cd^(2+) ion was used to evaluate the heavy metal ions removal performance of the samples.The experimental results show that the coal gangue,which consists of quartz,calcium feldspar,potassium feldspar and kaolinite,can transform to sodalite and faujasite under alkali-hydrothermal condition at 150 and 180℃,respectively.The as-prepared sodalite and faujasite can effectively remove the simulated Cd2+ion wastewater and actual industrial wastewater containing As^(3+),Cd^(2+),and Cr^(3+)ions,and the good heavy metal ion removal performance of the zeolites is mainly attributed to their low Si/Al ratio and high Na+content.This alkali-hydrothermal method appears to be a simple and efficient method for transformation of coal gangue to high purity zeolites. | WANG Cheng FENG Kai WANG Lipeng YU Qianru DU Fuling LI Yan YU Kaining | 2023 | Journal of Wuhan University of Technology(Materials Science)2023，38，6： | 0 |
| 16 | Synthesis of DNP-modified GM3-based anticancer vaccine and evaluation of its immunological activities for cancer immunotherapy显示文摘Tumor-associated carbohydrate antigens(TACAs) are attractive targets for vaccine development. In this context, we described a strategy combining artificial TACA and glycoengineering for cancer vaccine development. A 2,4-ditrophenyl(DNP)-modified GM3 intermediate was synthesized chemoenzymatically and conjugated to keyhole limpet hemocyanin(KLH), and the resulting bioconjugate was tested for its potential as a vaccine candidate. Mice immunological studies revealed that the DNP-modified GM3(GM3-NHDNP) analog elicited strong and rapid immune responses by recruiting anti-DNP antibodies to facilitate the targeted delivery of the vaccine construct to antigen processing cells(APCs). Moreover, the endogenously produced anti-DNP antibodies, together with the elicited antibodies against GM3-NHDNP, may synergistically promote tumor binding and cancer cell death when the cancer cell surfaces are glycoengineered to express the GM3-NHDNP antigen. | Han Lin Haofei Hong Lipeng Feng Jie Shi Zhifang Zhou Zhimeng Wu | 2021 | Chinese Chemical Letters2021，32，12： | 0 |
| 17 | Research and Practice of Hybrid Teaching for Software Testing based on Interactive Learning显示文摘To address the problems of insufficient number of personalized exercises and cases and teachers’lack of grasp of students’weak knowledge points in the current software testing online courses,we study the strategy of establishing and updating intelligent exercise sets and case libraries and analyze the answers and dig out the weak points of knowledge through group intelligence reasoning and interactive machine learning methods.This will help teachers to make uniform and targeted explanations,reduce manual judgment,and achieve intelligent teaching quality reform,and implement the educational concepts of“keeping up with the times”and“teaching according to students’abilities”. | Lipeng Gao Wei Zheng Hongping Gan Depeng Gao Xikang Feng | 2021 | 计算机教育2021，，12： | 0 |
| 18 | Extracted Proton Energy Measurement for CYCIAE-100显示文摘Since the first beam was got in 2014,the100 MeV compact cyclotron(CYCIAE-100)has been into the operation process.75-100 MeV proton beams were extracted by the stripping extraction mode.The extracted proton energy for CYCIAE-100 was finished measurement by the experts in last year.The Bragg peak position in the water is fixed for the extracted proton | AN Shizhong WANG Feng WANG Lei LYU Yinlong GE Tao WEN Lipeng WEI Sumin CAO Lei HUANG Peng Operation Team | 2017 | Annual Report of China Institute of Atomic Energy2017，，1： | 0 |
| 19 | Testing of Extracting Proton Beams Simultaneously in Dual Direction for CYCIAE-100显示文摘The 100 MeV compact cyclotron(CYCIAE-100)has been into the operation process.75-100 MeV proton beams with the beam current of200μA are extracted by the stripping extraction mode.Two sets of stripping extraction systems are installed in opposite direction of north | AN Shizhong LYU Yinlong WEN Lipeng CAO Lei LU Xiaotong GE Tao WEI Sumin HUANG Peng WANG Feng WANG Lei Operation Team | 2017 | Annual Report of China Institute of Atomic Energy2017，，1： | 0 |
| 20 | CYCIAE-100 Cyclotron Beamdump Beam Line Control System显示文摘The CYCIAE-100 cyclotron Beamdump beam line will realize the acceptance and debugging of the beam strength of 200μA at the end of2017,and the beam collector will be stabilized at the Beamdump beam collector to the beam intensity 204.65μA.The control system of the CYCIAE-100cyclotron Beamdump beam | LU Xiaotong CAO Lei WEI Sumin WEN Lipeng SONG Guofang WANG Feng WANG Yang | 2017 | Annual Report of China Institute of Atomic Energy2017，，1： | 0 |
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