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Research of water distribution of tunnel lining in Karst region

Tan Zhongsheng,Li Jian,Xue Bin,Wan Xiuying

Strategic Study of CAE 2009, Volume 11, Issue 12,   Pages 87-92

Abstract: tunnels to research on distribution of linning water pressure on different anti-drainage patterns (the wholeblock, block combined with drainage and drainage mode).the lining water pressure can't discounted and reduced by the grouting ring at the condition of wholeblock; the lining water pressure reduced significantly and linear decreased as the development of drainagedischarge at the condition of block combined with drainage, simultaneously, the better the effect of

Keywords: tunnel in Karst region     whole block     controlled drainage     water pressure     model test    

Laser ablation of block copolymers with hydrogen-bonded azobenzene derivatives

Jintang Huang, Youju Huang, Si Wu

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 450-456 doi: 10.1007/s11705-018-1735-6

Abstract: fabricated by hydrogen-bonding azobenzene derivatives (AzoR) to poly(4-vinyl pyridine) blocks of polystyrene-block-poly

Keywords: laser ablation     block copolymers     hydrogen-bond     azobenzene derivatives     supramolecular assembly    

Organizational evolution of project management teams over the whole lifecycle of megaprojects: Case study

Frontiers of Engineering Management 2023, Volume 10, Issue 3,   Pages 439-454 doi: 10.1007/s42524-022-0211-7

Abstract: Project management teams are critical in the implementation of megaprojects, but their evolution throughout the project lifecycle has not been clearly explained. This paper explores the organizational evolution of megaproject management teams through a longitudinal retrospective case study of the Hong Kong–Zhuhai–Macao Bridge (HZMB) project. The organizational evolution is examined in terms of management objectives, management content, and organizational structure. The organizational evolution of the HZMB project management team exhibits stage differentiation with the coexistence of turbulence and stability. Changes in the external environment are the driving force for organizational evolution, whereas a flexible organizational strategy is critical in promoting this evolution. Basing on the HZMB case study, this paper summarizes six critical measures that facilitate the organizational evolution of megaproject management teams. Our findings add value to megaproject management theory and provide a better understanding of the dynamics and complexity of megaproject organizational management.

Keywords: megaproject     organizational evolution     whole lifecycle management     project management team    

Cell surface protein engineering for high-performance whole-cell catalysts

Hajime Nakatani,Katsutoshi Hori

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 1,   Pages 46-57 doi: 10.1007/s11705-017-1609-3

Abstract: surface proteins using genetic engineering, and is important for the development of high-performance whole-celldiscuss advanced methods for displaying multiple enzymes and a new method for the immobilization of whole-cell

Keywords: cell surface engineering     surface display     whole-cell catalysts     bioprocess    

Analysis of the genomic landscape of primary central nervous system lymphoma using whole-genome sequencing

Frontiers of Medicine 2023, Volume 17, Issue 5,   Pages 889-906 doi: 10.1007/s11684-023-0994-x

Abstract: Whole-genome sequencing was performed on 68 newly diagnosed Chinese PCNSL samples, whose genomic characteristics

Keywords: primary central nervous system lymphoma     whole-genome sequencing     TMSB4X     copy number variation    

TCGA whole-transcriptome sequencing data reveals significantly dysregulated genes and signaling pathways

Daniel Wai-Hung Ho,Alan Ka-Lun Kai,Irene Oi-Lin Ng

Frontiers of Medicine 2015, Volume 9, Issue 3,   Pages 322-330 doi: 10.1007/s11684-015-0408-9

Abstract:

This study systematically evaluates the TCGA whole-transcriptome sequencing data of hepatocellular

Keywords: TCGA     whole-transcriptome sequencing     HCC     liver cancer    

Ductility improvement of GFRP-RC beams using precast confined concrete block in compression zone

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 10,   Pages 1585-1598 doi: 10.1007/s11709-023-0968-8

Abstract: ductility of their compression zones, the present study proposes using a precast confined concrete block

Keywords: ductility     four-point bending test     glass fiber-reinforced polymer     precast confined concrete block    

Preparation of polysulfone-based block copolymer ultrafiltration membranes by selective swelling and

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5,   Pages 745-754 doi: 10.1007/s11705-021-2038-x

Abstract: Selective swelling of block copolymers of polysulfone-b-poly(ethylene glycol) is an emerging strategySelective swelling was performed on the obtained block copolymer structures in the solvent pair of ethanolhydrochloric acid and the spaces initially occupied by CaCO3 provided extra pores to the block

Keywords: block copolymers     selective swelling     ultrafiltration     CaCO3 nanoparticles     sacrificial nanofillers    

Thermoresponsive block copolymer supported Pt nanocatalysts for base-free aerobic oxidation of 5-hydroxymethyl

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1514-1523 doi: 10.1007/s11705-021-2092-4

Abstract: a thermoresponsive poly(acrylamide-co-acrylonitrile)-b-poly(N-vinylimidazole) blockThe imidazole groups in the block copolymer were conducive to the improvement of catalytic performance

Keywords: aerobic oxidation     base-free     5-hydroxymethyl-2-furfural     Pt nanoparticle     thermoresponsive block copolymer    

Whole-life Thinking and Engineering the Future

Roger Flanagan

Frontiers of Engineering Management 2014, Volume 1, Issue 3,   Pages 290-296 doi: 10.15302/J-FEM-2014040

Abstract: Whole-life thinking for engineers working on the built environment has become more important in a fastWhole-life thinking is not new, every project attempts to balance the initial capital cost with the operatingSystems thinking provides one approach to developing a more robust whole-life approach.New approaches are needed to produce more reliable whole-life predictions.Best value, rather than lowest cost, can be achieved by using whole-life appraisal as a part of the design

Keywords: whole-life thinking     systems thinking     complexity     chaos     risk management through life    

Efficient acetoin production from pyruvate by engineered whole-cell biocatalysis

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 425-436 doi: 10.1007/s11705-022-2229-0

Abstract: Moreover, the reusability of the cell catalysis was also tested, and the result illustrated that the whole-cellThis work therefore provided an efficient H. bluephagenesis whole-cell catalysis with a broad

Keywords: -acetolactate synthetase     α-acetolactate decarboxylase     Halomonas bluephagenesis     whole-cell    

Molecular dynamics study of water diffusion in an amphiphilic block copolymer with large difference in

Yang Zhou, Phillip Choi

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 3,   Pages 440-447 doi: 10.1007/s11705-017-1626-2

Abstract: Isothermal-isobaric molecular dynamics simulation was used to study the diffusion mechanism of water in polyurethane- -poly( -isopropyl acrylamide) (PU- -PNIPAm) with a hydrophobic PU/hydrophilic PNIPAm mass ratio of 1.4 to 1 at 298 K and 450 K. Here, the experimental glass transition temperature ( ) of PU is 243 K while that of PNIPAm is 383 K. Different amounts of water up to 15 wt-% were added to PU- -PNIPAm. We were able to reproduce the specific volumes and glass transition temperatures (250 K and 390 K) of PU- -PNIPAm. The computed self-diffusion coefficient of water increased exponentially with increasing water concentration at both temperatures (i.e., following the free volume model of Fujita). It suggested that water diffusion in PU- -PNIPAm depends only on its fractional free volume despite the free volume inhomogeneity. It is noted that at 298 K, PU is rubbery while PNIPAm is glassy. Regardless of temperature, radial distribution functions showed that water formed clusters with sizes in the range of 0.2–0.4 nm in PU- -PNIPAm. At low water concentrations, more clusters were found in the PU domain but at high water concentrations, more in the PNIPAm domain. It is believed that water molecules diffuse as clusters rather than as individual molecules.

Keywords: molecular dynamics simulation     amphiphilic block copolymer     free volume     water diffusivity     fujita model    

Innovations of phosphorus sustainability: implications for the whole chain

Jianbo SHEN, Liyang WANG, Xiaoqiang JIAO, Fanlei MENG, Lin ZHANG, Gu FENG, Junling ZHANG, Lixing YUAN, Lin MA, Yong HOU, Tao ZHANG, Weifeng ZHANG, Guohua LI, Kai ZHANG, Fusuo ZHANG

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 4,   Pages 321-331 doi: 10.15302/J-FASE-2019283

Abstract: The innovation and feasibility of P sustainability are highlighted from the perspective of the whole

Keywords: P-use efficiency     recycling     sustainable management     the whole P chain    

Wear mechanism of disc-brake block material for new type of drilling rig

WANG Xinhua, WANG Simin, ZHANG Siwei, WANG Deguo

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 10-16 doi: 10.1007/s11465-008-0009-2

Abstract: Topography and elementary components of the brake block’s wear surface are analyzed by employing SEMWhen the frictional temperature is lower, the surface film of the brake block is thinner, dense, smoothwear, the hard peaks from the friction surface of the disc-brake plough on the surface of the brake blockfriction heat, obvious softening and plastic flow can be found on the friction surface of the brake blockThermal decomposition of cohesive material in the brake block is simultaneously strengthened, so that

Keywords: asbestos-free frictional     Fracture     cyclization     friction     disc-brake    

Transforming bacterial disease surveillance and investigation using whole-genome sequence to probe the

Biao Kan, Haijian Zhou, Pengcheng Du, Wen Zhang, Xin Lu, Tian Qin, Jianguo Xu

Frontiers of Medicine 2018, Volume 12, Issue 1,   Pages 23-33 doi: 10.1007/s11684-017-0607-7

Abstract:

Two decades have passed since the first bacterial whole-genome sequencing, which provides new opportunityBacterial whole-genome sequencing and bioinformatic computing allow genotyping to satisfy the requirements

Keywords: genome sequencing     genomic epidemiology     bacteria     surveillance     infectious diseases    

Title Author Date Type Operation

Research of water distribution of tunnel lining in Karst region

Tan Zhongsheng,Li Jian,Xue Bin,Wan Xiuying

Journal Article

Laser ablation of block copolymers with hydrogen-bonded azobenzene derivatives

Jintang Huang, Youju Huang, Si Wu

Journal Article

Organizational evolution of project management teams over the whole lifecycle of megaprojects: Case study

Journal Article

Cell surface protein engineering for high-performance whole-cell catalysts

Hajime Nakatani,Katsutoshi Hori

Journal Article

Analysis of the genomic landscape of primary central nervous system lymphoma using whole-genome sequencing

Journal Article

TCGA whole-transcriptome sequencing data reveals significantly dysregulated genes and signaling pathways

Daniel Wai-Hung Ho,Alan Ka-Lun Kai,Irene Oi-Lin Ng

Journal Article

Ductility improvement of GFRP-RC beams using precast confined concrete block in compression zone

Journal Article

Preparation of polysulfone-based block copolymer ultrafiltration membranes by selective swelling and

Journal Article

Thermoresponsive block copolymer supported Pt nanocatalysts for base-free aerobic oxidation of 5-hydroxymethyl

Journal Article

Whole-life Thinking and Engineering the Future

Roger Flanagan

Journal Article

Efficient acetoin production from pyruvate by engineered whole-cell biocatalysis

Journal Article

Molecular dynamics study of water diffusion in an amphiphilic block copolymer with large difference in

Yang Zhou, Phillip Choi

Journal Article

Innovations of phosphorus sustainability: implications for the whole chain

Jianbo SHEN, Liyang WANG, Xiaoqiang JIAO, Fanlei MENG, Lin ZHANG, Gu FENG, Junling ZHANG, Lixing YUAN, Lin MA, Yong HOU, Tao ZHANG, Weifeng ZHANG, Guohua LI, Kai ZHANG, Fusuo ZHANG

Journal Article

Wear mechanism of disc-brake block material for new type of drilling rig

WANG Xinhua, WANG Simin, ZHANG Siwei, WANG Deguo

Journal Article

Transforming bacterial disease surveillance and investigation using whole-genome sequence to probe the

Biao Kan, Haijian Zhou, Pengcheng Du, Wen Zhang, Xin Lu, Tian Qin, Jianguo Xu

Journal Article