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Effect of nonionic side chain length of polycarboxylate-ether-based high-range water-reducing admixture

Süleyman ÖZEN, Muhammet Gökhan ALTUN, Ali MARDANI-AGHABAGLOU, Kambiz RAMYAR

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1573-1582 doi: 10.1007/s11709-020-0680-x

Abstract: length and different side chain lengths were produced.The water-reducing admixtures having long or short side chains reduced the initial flow characteristicsHowever, the admixture having the shortest side chain was better with regard to flow retention.The side chain length of the admixture did not have significant effects on the compressive strength andRegarding the behaviors of the admixtures in the cementitious systems, an optimal admixture side chain

Keywords： water-reducing admixture     side chain length     cement paste     fluidity     compressive strength    

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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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Surface hydrophobicity: effect of alkyl chain length and network homogeneity

Wenqian Chen, Vikram Karde, Thomas N. H. Cheng, Siti S. Ramli, Jerry Y. Y. Heng

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 1,   Pages 90-98 doi: 10.1007/s11705-020-2003-0

Abstract: 369€±€7 nm) as the model material, the current study investigates the relationship between the alkyl chainTwo alkyl silanes with different chain length (triethoxymethylsilane (C1) vs. trimethoxy(octyl)silaneWater contact angle and inverse gas chromatography results show that the alkyl chain length is essentialThe homogeneity of the octyl-chain network also has a significant effect on hydrophobicity, as the water

Keywords： hydrophobicity     surface energy     wettability     alkyl chain network     silica nanoparticle    

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Effect of ligand chain length on hydrophobic charge induction chromatography revealed by molecular dynamics

Lin ZHANG, Yan SUN

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 4,   Pages 456-463 doi: 10.1007/s11705-013-1357-y

Abstract: The effect of the ligand chain length on protein behavior in HCIC was studied.adsorbent pore model established in an earlier work was modified to construct adsorbents with different chainThe ligand chain length has a significant effect on both the probability and the irreversibility of theThe simulation results elucidated the effect of the ligand chain length, which is beneficial for the

Keywords： adsorption     desorption     irreversibility     protein conformational transition     molecular dynamics simulation    

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Effects of fatty acid chain length and degree of unsaturation on the surface activities of monoacyl trehaloses

Yue-E SUN, Wenshui XIA, Xueyan TANG, Zhiyong HE, Jie CHEN,

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 4,   Pages 407-412 doi: 10.1007/s11705-009-0255-9

Abstract: value of unsaturated monoacyl trehalose was affected by both the degree of unsaturation and the acyl chainlength, and the effect of chain length on the CMC value was much stronger than that of the unsaturationHowever, there was no significant dependency of the value and a values on the chain length or the unsaturated

Keywords： high-performance liquid     tension     different     spectrometry     chromatography    

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Effects of slip length and hydraulic diameter on hydraulic entrance length of microchannels with superhydrophobic

Wenchi GONG, Jun SHEN, Wei DAI, Zeng DENG, Xueqiang DONG, Maoqiong GONG

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 127-138 doi: 10.1007/s11708-020-0661-8

Abstract: This paper investigated effects of slip length and hydraulic diameter on the hydraulic entrance lengthIt is found that superhydrophobic microchannels have a longer hydraulic entrance length than that ofThe dimensionless hydraulic entrance length slightly increases with the increasing slip length at approximatelyA new correlation to predict the entrance length in square microchannels with different slip lengths

Keywords： laminar flow     hydraulic entrance length     super hydrophobic surface     slip length     hydraulic diameter    

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Structural behavior of intermediate length cold-formed steel rack columns with C-stitches

M. ANBARASU, Mahmud ASHRAF

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 937-949 doi: 10.1007/s11709-019-0528-4

Abstract: presents an experimental and numerical investigation on the strength and performance of intermediate lengthused to carry out a parametric study to examine changes in structural response due to variations in length

Keywords： cold-formed steel columns     C-stitches     intermediate length columns     distortional buckling    

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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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Association between telomere length and survival in cancer patients: a meta-analysis and review of literature

Xinsen Xu,Kai Qu,Qing Pang,Zhixin Wang,Yanyan Zhou,Chang Liu

Frontiers of Medicine 2016, Volume 10, Issue 2,   Pages 191-203 doi: 10.1007/s11684-016-0450-2

Abstract:

The relationship between telomere length and cancer survival has been widely studied.A total of 29 studies evaluated telomere length in the peripheral blood; 22 studies evaluated telomerelength in the tumor tissue.First, in the peripheral blood studies, for solid tumor patients with shortened telomere length, thepatients with lower telomere length ratios, the combined HRs were 0.66 (95%CI, 0.53–0.83) and

Keywords： telomere     survival     cancer     meta-analysis    

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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: First 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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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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The defect-length effect in corrosion detection with magnetic method for bridge cables

Qiwei ZHANG, Rongya XIN

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 662-671 doi: 10.1007/s11709-018-0512-4

Abstract: An LMA defect in steel cables can be measured accurately when it is longer than a certain length.However, for defects in early stage, where the length of corrosion area is short, the MF examinationIn this study, the effect of defect length on the MF examination for corrosion detection of bridge cablesAn original analytical model to quantify the influence of defect length is proposed based on the equivalentresults show that the area loss caused by short corrosion damage will be underestimated if the defect-length

Keywords： bridge cable     corrosion detection     defect length     MF examination     quantitative evaluation    

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Optimization of aero-engine pipeline for avoiding vibration based on length adjustment of straight-line

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1,   Pages 11-11 doi: 10.1007/s11465-021-0667-x

Abstract: In this paper, a typical spatial pipeline is taken as the research object, the length of straight-lineThe relationship between straight-line segment length and parameters that determine the geometric characteristicsBased on the analysis of the influence of straight-line segment length on the vibration characteristicsdeveloped optimization method can obtain the optimal single value or interval of the straight-line segment lengthefficiency of the golden section algorithm is remarkably higher than that of the genetic algorithm for length

Keywords： length adjustment     spatial pipeline     aero-engine     vibration avoidance optimization     genetic algorithm    

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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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Title Author Date Type Operation

Effect of nonionic side chain length of polycarboxylate-ether-based high-range water-reducing admixture

Süleyman ÖZEN, Muhammet Gökhan ALTUN, Ali MARDANI-AGHABAGLOU, Kambiz RAMYAR

Journal Article

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

Journal Article

Surface hydrophobicity: effect of alkyl chain length and network homogeneity

Wenqian Chen, Vikram Karde, Thomas N. H. Cheng, Siti S. Ramli, Jerry Y. Y. Heng

Journal Article

Effect of ligand chain length on hydrophobic charge induction chromatography revealed by molecular dynamics

Lin ZHANG, Yan SUN

Journal Article

Effects of fatty acid chain length and degree of unsaturation on the surface activities of monoacyl trehaloses

Yue-E SUN, Wenshui XIA, Xueyan TANG, Zhiyong HE, Jie CHEN,

Journal Article

Effects of slip length and hydraulic diameter on hydraulic entrance length of microchannels with superhydrophobic

Wenchi GONG, Jun SHEN, Wei DAI, Zeng DENG, Xueqiang DONG, Maoqiong GONG

Journal Article

Structural behavior of intermediate length cold-formed steel rack columns with C-stitches

M. ANBARASU, Mahmud ASHRAF

Journal Article

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

P. Srinivasa Rao NAYAK, Dharavath KISHAN

Journal Article

Association between telomere length and survival in cancer patients: a meta-analysis and review of literature

Xinsen Xu,Kai Qu,Qing Pang,Zhixin Wang,Yanyan Zhou,Chang Liu

Journal Article

Modelling of dynamic contact length in rail grinding process

Shaodan ZHI,Jianyong LI,A. M. ZAREMBSKI

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

The defect-length effect in corrosion detection with magnetic method for bridge cables

Qiwei ZHANG, Rongya XIN

Journal Article

Optimization of aero-engine pipeline for avoiding vibration based on length adjustment of straight-line

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