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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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Assembly variation analysis of flexible curved surfaces based on Bézier curves None

Zhen-yu LIU, Shi-en ZHOU, Jin CHENG, Chan QIU, Jian-rong TAN

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 6,   Pages 796-808 doi: 10.1631/FITEE.1601619

Abstract: In this study, the problem of flexible curved surface assembly is simplified to the matching of sidelines.A methodology based on Bézier curves is proposed to represent the side lines of surfaces.The deviations of feature points on side lines are obtained through control point distribution and are

Keywords： Assembly variation analysis     Feature points     Side lines     Flexible curved surfaces     Bézier curves    

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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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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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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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Performance analysis of series/parallel and dual side LCC compensation topologies of inductive power

P. Srinivasa Rao NAYAK, Dharavath KISHAN

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 166-179 doi: 10.1007/s11708-018-0549-z

Abstract: This paper analyzes series/parallel (S/P) and dual side inductor-capacitor-capacitor (LCC) compensationThe results convey that the efficiency of dual side LCC compensation is higher than that of S/P compensation

Keywords： series/parallel compensation     electric vehicle (EV)     dual side LCC compensation     inductive power transfer    

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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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Optimal dynamic emergency reserve activation using spinning, hydro and demand-side reserves

S. Surender REDDY,P. R. BIJWE,A. R. ABHYANKAR

Frontiers in Energy 2016, Volume 10, Issue 4,   Pages 409-423 doi: 10.1007/s11708-016-0431-9

Abstract: the conventional thermal generators (spinning reserves), hydro power units and load demands (demand-side

Keywords： demand-side reserves     dynamic reserve activation approach     hydro power units     post contingency     sequential    

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filtering-based bridge weigh-in-motion system on a continuous multi-girder bridge considering the influence lines

Hanli WU, Hua ZHAO, Jenny LIU, Zhentao HU

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5,   Pages 1232-1246 doi: 10.1007/s11709-020-0653-0

Abstract: To further improve the accuracy of the BWIM system, the field-calibrated influence lines (ILs) of a continuous

Keywords： bridge weigh-in-motion     continuous bridge     fast Fourier transform     influence line     axle weight calculation    

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Cutting CO emissions through demand side regulation: Implications from multi-regional input–output linear

Frontiers of Engineering Management   Pages 452-461 doi: 10.1007/s42524-022-0209-1

Abstract: Nevertheless, certain demand side regulation strategy can be adopted to lower CO2 emissions

Keywords： CO2 emissions     demand side regulation     multi-regional input–output model     linear programming    

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Synthesis and thermosensitive behavior of dextran graft copolymers containing poly (N-vinylcaprolactam) side

SHI Huangying, CHEN Wenjuan, ZHANG Liming

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 1,   Pages 72-75 doi: 10.1007/s11705-007-0015-7

Abstract: New graft copolymers were synthesized by grafting N-vinylcaprolactam onto dextran. Their composition and structure were investigated by elemental analyses, infrared spectra and thermogravimetric analyses. By optical transmittance measurements, it was found that the aqueous solutions of these graft copolymers showed a temperature-dependent transmittance change due to the introduction of thermosensitive poly (-vinylcaprolactam) graft chains. Moreover, the lower critical solution temperature (LCST) of the graft copolymer in aqueous solution was dependent on its grafting extent and concentration. The LCST value was found to increase with the increase of the grafting extent and decrease with the increase of the copolymer concentration. With these stimuli-response properties, such polysaccharide derivative may hold potential applications in biomedicine and biotechnology.

Keywords： transmittance     copolymer concentration     LCST     temperature     elemental    

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Design of a novel side-mounted leg mechanism with high flexibility for a multi-mission quadruped earth

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0740-0

Abstract: At present, few methods for these robots’ leg design utilize a side-mounted spatial parallel mechanismtask (LT) of the rover based on screw theory, we determine the desired motion characteristic of the side-mounted

Keywords： design synthesis     parallel mechanism     hybrid leg mechanism     screw theory     quadruped robot    

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Finite element analysis on the seismic behavior of side joint of Prefabricated Cage System in prefabricated

Yunlin LIU, Shitao ZHU

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1095-1104 doi: 10.1007/s11709-019-0538-2

Abstract: Side joint is the weak region of PCS concrete frame and has great influence on seismic behavior of theThus systematically study on the seismic behavior of PCS concrete side joint is necessary.This paper presents a finite element study on behavior of the side joint under seismic loading.In addition, the overall seismic behavior of the side joints in PCS concrete is better than that of the

Keywords： PCS concrete side joint     numerical simulation     fiber-beam element joint model     solid element joint model    

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Rosin side chain type catalyst-free vitrimers with high cross-link density, mechanical strength, and

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1267-1279 doi: 10.1007/s11705-022-2291-7

Abstract: In this study, hydrogenated rosin was adopted for preparing hydrogenated rosin side-chain type diacids, which were reacted with mixed epoxy to obtain rosin side-chain type vitrimers.The tricyclic diterpene structure of rosin was introduced into the side chain in order to avoid the reduction

Keywords： vitrimers     rosin     catalyst-free     high mechanical properties     dynamic transesterification reaction    

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Sufficient downward rotation of the christa philtri on the cleft side: a modified technique

Yi Xu, Jingtao Li, Bing Shi

Frontiers of Medicine 2013, Volume 7, Issue 4,   Pages 510-516 doi: 10.1007/s11684-013-0299-6

Abstract: However, this method may leave the christa philtri on the cleft side insufficiently downward rotated,In this study, we introduce a modified technique to better rotate the christa philtri on the cleft sideresults suggested that sufficient and stable downward rotation of the christa philtri on the cleft side

Keywords： cleft lip and palate     rotation advancement     sufficient rotation     christa philtri geometrically justified    

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Title Author Date Type Operation

A survey on assembly lines and its types

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

Journal Article

Assembly variation analysis of flexible curved surfaces based on Bézier curves

Zhen-yu LIU, Shi-en ZHOU, Jin CHENG, Chan QIU, Jian-rong TAN

Journal Article

Natural killer cell lines in tumor immunotherapy

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

Journal Article

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

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

Performance analysis of series/parallel and dual side LCC compensation topologies of inductive power

P. Srinivasa Rao NAYAK, Dharavath KISHAN

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

Optimal dynamic emergency reserve activation using spinning, hydro and demand-side reserves

S. Surender REDDY,P. R. BIJWE,A. R. ABHYANKAR

Journal Article

filtering-based bridge weigh-in-motion system on a continuous multi-girder bridge considering the influence lines

Hanli WU, Hua ZHAO, Jenny LIU, Zhentao HU

Journal Article

Cutting CO emissions through demand side regulation: Implications from multi-regional input–output linear

Journal Article

Synthesis and thermosensitive behavior of dextran graft copolymers containing poly (N-vinylcaprolactam) side

SHI Huangying, CHEN Wenjuan, ZHANG Liming

Journal Article

Design of a novel side-mounted leg mechanism with high flexibility for a multi-mission quadruped earth

Journal Article

Finite element analysis on the seismic behavior of side joint of Prefabricated Cage System in prefabricated

Yunlin LIU, Shitao ZHU

Journal Article

Rosin side chain type catalyst-free vitrimers with high cross-link density, mechanical strength, and

Journal Article

Sufficient downward rotation of the christa philtri on the cleft side: a modified technique

Yi Xu, Jingtao Li, Bing Shi

Journal Article