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New Monitoring Technologies for Overhead Contact Line at 400 km·h−1

Chul Jin Cho, Young Park

Engineering 2016, Volume 2, Issue 3,   Pages 360-365 doi: 10.1016/J.ENG.2016.03.016

Abstract: details of the video-based monitoring techniques that have been adopted to inspect the stability of overheadcontact line (OCL) components at 400 km·h−1 without direct contact with anyUnlike conventional OCL monitoring systems, which detect contact wire positions using either laser sensors

Keywords： High-speed railway     Overhead contact lines     Condition monitoring     Image processing based measurement    

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A survey on assembly lines and its types

Ullah SAIF,Zailin GUAN,Baoxi WANG,Jahanzeb MIRZA,Shiyang HUANG

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 95-105 doi: 10.1007/s11465-014-0302-1

Abstract:

Assembly lines are useful for mass production of standard as well as customized products.A survey of different problems in different types of assembly lines and some of the critical and on goingthe research community in assembly line area to proceed further in the presented issues of assembly lines

Keywords： assembly lines     line balancing     survey    

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Natural killer cell lines in tumor immunotherapy

Min Cheng, Jian Zhang, Wen Jiang, Yongyan Chen, Zhigang Tian

Frontiers of Medicine 2012, Volume 6, Issue 1,   Pages 56-66 doi: 10.1007/s11684-012-0177-7

Abstract: including activating autologous NK cells, expanding allogeneic NK cells, usage of stable allogeneic NK cell linesand genetically modifying fresh NK cells or NK cell lines.Additionally, genetically modifying NK cell lines by increasing their expression of cytokines and engineeringIn this review, NK cells in tumor immunotherapy are discussed, and a list of therapeutic NK cell lines

Keywords： natural killer cell     natural killer cell line     tumor immunotherapy     genetic modification    

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Thin-liquid-film evaporation at contact line

Hao WANG, Zhenai PAN, Zhao CHEN

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 141-151 doi: 10.1007/s11708-009-0020-2

Abstract: When a liquid wets a solid wall, the extended meniscus near the contact line may be divided into three

Keywords： meniscus     thin film     contact line     disjoining pressure     evaporation    

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Achieving desired nodal lines in freely vibrating structures via material-field series-expansion topology

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0758-y

Abstract: Accurately controlling the nodal lines of vibrating structures with topology optimization is a highlyseries-expansion (MFSE)-based topology optimization design strategy for precisely controlling nodal linestypical optimization targets are established: (1) minimizing the difference between structural nodal linesand their desired positions, and (2) keeping the position of nodal lines within the specified rangecircumvents various numerical difficulties and can effectively obtain the desired vibration modes and nodal lines

Keywords： nodal line     topology optimization     structural dynamics design     material-field series-expansion    

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Safety and Rapid Construction Technology in Expand Cutting at Existing Line with Controlled Rock Blasting for Electrified Railway

He Guangyi,Jing Shan,Wang Zhaoyou

Strategic Study of CAE 2000, Volume 2, Issue 6,   Pages 73-79

Abstract: As there has electrify overhead contact line and short space to the existing line, it is much more difficult

Keywords： eclectrified overhead contact line     existing line     expanding of cutting     controlled rock blasting     non-electric    

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Modelling of dynamic contact length in rail grinding process

Shaodan ZHI,Jianyong LI,A. M. ZAREMBSKI

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3,   Pages 242-248 doi: 10.1007/s11465-014-0305-y

Abstract: accumulated stress concentrations will cause the plastic deformation of rail towards generating corrugations, contactFirst of all, it’s important to analyze the contact length between the grinding stone and the rail, because the contact length is a critical parameter to measure the grinding capabilities of stones.Therefore the theoretical model for contact length is developed based on the geometrical analysis.

Keywords： rail grinding     contact length     dynamic model     Hamiltonian system     grinding stone     rail grinding car    

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Effect on proliferation and apoptosis of T24 cell lines via silencing DNMT1 with RNA interference

ZHANG Shilong, ZENG Fuqing, PENG Shibo, WANG Liang

Frontiers of Medicine 2008, Volume 2, Issue 4,   Pages 374-379 doi: 10.1007/s11684-008-0072-4

Abstract: Expression of DNA methyltransferase 1 (DNMT1), which plays an important role on aberrantly methylated CpG in the promoter regions of tumor suppressor genes (TSGs), is higher in bladder cancer cells than in normal bladder cells. Therefore, its overexpression is closely related to tumor formation. In this study, the eukaryotic vector pshRNA-DNMT1 was constructed and transfected into T24 cells. Levels of DNMT1 mRNA and protein were detected by reverse transcription-polymerase chain reaction (RT-PCR) and western blot. Relative to the blank control at the 24th, 48th and 72nd hour after transfection of pshRNA-DNMT1, the inhibitory rates of DNMT1 mRNA levels in T24 cells were 28.44%, 52.48%, 70.91%, respectively. Those of DNMT1 proteins were 24.27%, 57.79%, and 77.74%, respectively. Proliferation and apoptosis were assayed by MTT and flow cytometry with Annexin-V-FITC/PI staining. The growth inhibition rates of pshRNA-DNMT1 at the 24th, 48th and 72nd hour after transfection of pshRNA-DNMT1 were (4.34 ± 0.76)%, (9.87 ± 1.54)% and (13.78 ± 1.93)%, respectively. There were statistically significant differences between pshRNA-DNMT1 and the control blank at each time points ( < 0.01); 24, 48 and 72 hours after T24 cells were transfected by pshRNA-DNMT1, the apoptosis rates of pshRNA-DNMT1 were (3.87 ± 0.81)%, (8.69 ± 1.23)% and (11.46 ± 1.24)%, respectively ( < 0.01 blank control). Based on this case, our conclusion is that the recombinant plasmid pshRNA-DNMT1 can silence the expression of gene DNMT1 mRNA and protein effectively, and to some extent, it also can inhibit the proliferation of bladder cancer cell and promote the cellular apoptosis.
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Computation and investigation of mode characteristics in nonlinear system with tuned/mistuned contact

Houxin SHE, Chaofeng LI, Qiansheng TANG, Hui MA, Bangchun WEN

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1,   Pages 133-150 doi: 10.1007/s11465-019-0557-7

Abstract: This study derived a novel computation algorithm for a mechanical system with multiple friction contactThe procedure uses the incremental harmonic balance method to obtain the nonlinear parameters of the contactMoreover, this study analyzed the effects of the tuned and mistuned contact features on the nonlinear

Keywords： coupling vibration     nonlinear mode     original algorithm     contact interface    

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Transient analysis of thermoelastic contact problem of disk brakes

Ali BELHOCINE, Mostefa BOUCHETARA

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2,   Pages 150-159 doi: 10.1007/s11465-013-0266-6

Abstract:

The main purpose of this study is to analyze the thermomechanical behavior of the dry contact betweenwith coupling to determine the deformation established and the Von Mises stresses in the disk, the contact

Keywords： brake disks     heat flux     heat-transfer coefficient     Von Mises stress     contact pressure    

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Experimental study and numerical simulation on compressive buckling behavior of thin steel skins in unilateral contact

Nicholas KEAGE, Christopher MAIOLO, Rebecca PIEROTTI, Xing MA

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 335-343 doi: 10.1007/s11709-011-0121-y

Abstract: practical test and finite element analysis has been undertaken to further investigate the effects of contactResults from both analyses have been examined and compared to data established from previous studies on contactThe result of the investigation has confirmed contact buckling theories and has foreshadowed the onsetof the newly observed phenomenon of secondary contact buckling.

Keywords： compressive     buckling     thin steel skins     unilateral contact     rigid constraints    

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Relationship between the number of tapping-induced secondary laticifer lines and rubber yield among

Yueyi CHEN,Xinsheng GAO,Xiaofei ZHANG,Weimin TIAN

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 4,   Pages 363-367 doi: 10.15302/J-FASE-2016122

Abstract: Results showed that the number of tapping-induced lines of secondary laticifers varied in different germplasm

Keywords： Hevea brasiliensis     rubber yield breeding     early evaluation     tapping     secondary laticifer differentiation    

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Contact Pressure and Fatigue Life Prediction of Kiln Rolling Ring Under Intermittent Contact

Shi Yu,Xiao Yougang,Lei Xianming

Strategic Study of CAE 2006, Volume 8, Issue 7,   Pages 54-57

Abstract:

The mathematical models of contact pressure distribution between rolling ring and shell under intermittentcontact are set up, the formulae of bending moment and bending stress of tyre are obtained.

Keywords： rolling ring     contact pressure     support angle     fatigue life    

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Maximizing power saving with state transition overhead for multiple mobile subscriber stations in WiMAX Article

Bo LI,Sung-kwon PARK

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 10,   Pages 1085-1094 doi: 10.1631/FITEE.1500314

Abstract: algorithms designed for multiple MSSs, the sleep state, which is set for activation of state transition overheadThe PSC setting for real-time connections in multiple MSSs with consideration of the state transition overhead

Keywords： Power saving class     State transition overhead     IEEE 802.16e/m     Quality of service    

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A low-overhead asynchronous consensus framework for distributed bundle adjustment

Zhuo-hao Liu, Chang-yu Diao, Wei Xing, Dong-ming Lu,roadliu@zju.edu.cn,dcy@zju.edu.cn

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 10,   Pages 1413-1534 doi: 10.1631/FITEE.1900451

Abstract: Generally, the (DBA) method uses multiple worker nodes to solve the bundle adjustment problems and overcomes the computation and memory storage limitations of a single computer. However, the performance considerably degrades owing to the introduced by the additional block partitioning step and synchronous waiting. Therefore, we propose a low- consensus framework. A based asynchronous method is proposed to early achieve consensus with respect to the faster worker nodes to avoid waiting for the slower ones. A scene summarization procedure is designed and integrated into the block partitioning step to ensure that clustering can be performed on the small summarized scene. Experiments conducted on public datasets show that our method can improve the worker node utilization rate and reduce the block partitioning time. Also, sample applications are demonstrated using our large-scale culture heritage datasets.
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Title Author Date Type Operation

New Monitoring Technologies for Overhead Contact Line at 400 km·h−1

Chul Jin Cho, Young Park

Journal Article

A survey on assembly lines and its types

Ullah SAIF,Zailin GUAN,Baoxi WANG,Jahanzeb MIRZA,Shiyang HUANG

Journal Article

Natural killer cell lines in tumor immunotherapy

Min Cheng, Jian Zhang, Wen Jiang, Yongyan Chen, Zhigang Tian

Journal Article

Thin-liquid-film evaporation at contact line

Hao WANG, Zhenai PAN, Zhao CHEN

Journal Article

Achieving desired nodal lines in freely vibrating structures via material-field series-expansion topology

Journal Article

Safety and Rapid Construction Technology in Expand Cutting at Existing Line with Controlled Rock Blasting for Electrified Railway

He Guangyi,Jing Shan,Wang Zhaoyou

Journal Article

Modelling of dynamic contact length in rail grinding process

Shaodan ZHI,Jianyong LI,A. M. ZAREMBSKI

Journal Article

Effect on proliferation and apoptosis of T24 cell lines via silencing DNMT1 with RNA interference

ZHANG Shilong, ZENG Fuqing, PENG Shibo, WANG Liang

Journal Article

Computation and investigation of mode characteristics in nonlinear system with tuned/mistuned contact

Houxin SHE, Chaofeng LI, Qiansheng TANG, Hui MA, Bangchun WEN

Journal Article

Transient analysis of thermoelastic contact problem of disk brakes

Ali BELHOCINE, Mostefa BOUCHETARA

Journal Article

Experimental study and numerical simulation on compressive buckling behavior of thin steel skins in unilateral contact

Nicholas KEAGE, Christopher MAIOLO, Rebecca PIEROTTI, Xing MA

Journal Article

Relationship between the number of tapping-induced secondary laticifer lines and rubber yield among

Yueyi CHEN,Xinsheng GAO,Xiaofei ZHANG,Weimin TIAN

Journal Article

Contact Pressure and Fatigue Life Prediction of Kiln Rolling Ring Under Intermittent Contact

Shi Yu,Xiao Yougang,Lei Xianming

Journal Article

Maximizing power saving with state transition overhead for multiple mobile subscriber stations in WiMAX

Bo LI,Sung-kwon PARK

Journal Article

A low-overhead asynchronous consensus framework for distributed bundle adjustment

Zhuo-hao Liu, Chang-yu Diao, Wei Xing, Dong-ming Lu,roadliu@zju.edu.cn,dcy@zju.edu.cn

Journal Article