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Transference Process Analysis of Flat Top Laser Pulse in the Uneven Media

Zhang Shaojun,Liu Jingwan,Huang Liu

Strategic Study of CAE 2002, Volume 4, Issue 6,   Pages 13-15

Abstract:

Based on the experiments of the new type square wave YAG laser's stability, reliability and nonlinearapplication, the transmission process of flat top laser pules, which is produced with the slowly adjusting

Keywords： equivalent and self-focusing     uneven media     slowly adjusting Q cavity flowing empty     flat top laser pulse    

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Two-dimensional modeling of sintering of a powder layer on top of nonporous substrate

Tiebing CHEN, Yuwen ZHANG,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 143-148 doi: 10.1007/s11465-010-0006-0

Abstract: Selective laser sintering (SLS) of a two-component metal powder layer on the top of multiple sinteredlayers by a moving Gaussian laser beam is modeled.

Keywords： laser     sintering     melting     solidification     heat transfer    

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Ultrafast solid-liquid-vapor phase change of a thin gold film irradiated by femtosecond laser pulsesand pulse trains

Jing HUANG, Yuwen ZHANG, J. K. CHEN, Mo YANG

Frontiers in Energy 2012, Volume 6, Issue 1,   Pages 1-11 doi: 10.1007/s11708-012-0179-9

Abstract: vaporization and resolidification processes of thin gold film irradiated by femtosecond pulses and pulseThe parameters in discussion included film thickness, laser fluence, pulse duration, pulse number, repetitionrate, pulse train number, etc.

Keywords： melting     evaporation     nucleation dynamics     nanoscale heat transfer    

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Esophageal pulse oximetry is more accurate and detects hypoxemia earlier than conventional pulse oximetry

Guo Chen, Zhaoqiong Zhu*, Jin Liu, Wei Wei

Frontiers of Medicine 2012, Volume 6, Issue 4,   Pages 406-410 doi: 10.1007/s11684-012-0217-3

Abstract: esophagus is perfused directly by prominent arteries and may provide a more consistent tissue source for pulseThe goal of this study was to evaluate the sensitivity and accuracy of an esophageal pulse oximetry probeon patients during controlled hypoxemia in comparison to measurements obtained with conventional pulsesub> is more accurate and enables earlier detection of hypoxemia when compared to conventional pulse

Keywords： esophageal pulse oximetry     conventional pulse oximetry     hypoxemia    

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Quantitative analysis of microplastics in coastal tidal-flat reclamation in Dongtai, China

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1528-5

Abstract:

• Reclamation projects are important disturbances on microplastic risk in coasts.

Keywords： Coastal reclamation     Engineering geotextiles     Soil microplastics     Weathering simulation     Marine emission    

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Magnetohydrodynamic slip flow and diffusion of a reactive solute past a permeable flat plate with suction

Krishnendu BHATTACHARYYA, G. C. LAYEK

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4,   Pages 471-476 doi: 10.1007/s11705-011-1130-z

Abstract: The magnetohydrodynamic (MHD) boundary layer slip flow and solute transfer over a porous plate in the presence of a chemical reaction are investigated. The governing equations were transformed into self-similar ordinary differential equations by adopting the similarity transformation technique. Then the numerical solutions are obtained by a shooting technique using the fourth order Runge-Kutta method. The study reveals that due to the increase in the boundary slip, the concentration decreases and the velocity increases. On the other hand, with an increase in the magnetic field and mass suction, both boundary layer thicknesses decreased. As the Schmidt number and the reaction rate parameter increases, the concentration decreases and the mass transfer increases.

Keywords： slip flow     MHD boundary layer     reactive solute diffusion     flat plate     suction/injection    

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The shape control over the front-end of excimer laser beam

Zhao Xueqing,Xue Quanxi,Zheng Guoxin,Huang Ke,Xiao Weiwei,Yi Aiping,Liu Jingru

Strategic Study of CAE 2009, Volume 11, Issue 8,   Pages 52-57

Abstract:

In high power excimer laser system, the shape of output laser beam fromThe experimental development of the front-end laser beam shape control based on a short pulse excimerlaser is described.coherence scattering source satisfying requirement of system construction has been developed, and the top-hatlaser shaping pulse by three pulses stacking has been obtained.

Keywords： excimer laser     beam smoothing     uniformity     pulse shaping     high power    

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Nonlinear numerical simulation of punching shear behavior of reinforced concrete flat slabs with shear-heads

Dan V. BOMPA, Ahmed Y. ELGHAZOULI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 331-356 doi: 10.1007/s11709-019-0596-5

Abstract: This paper examines the structural response of reinforced concrete flat slabs, provided with fully-embedded

Keywords： non-linear numerical modelling     concrete damage plasticity     RC flat slabs     shear-heads     punching shear    

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Effects of sheet thickness and material on the mechanical properties of flat clinched joint

Chao CHEN, Huiyang ZHANG, Shengdun ZHAO, Xiaoqiang REN

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 2,   Pages 410-419 doi: 10.1007/s11465-020-0618-y

Abstract: The flat clinching process is attracting a growing attention in the joining field of lightweight materialsResults indicated that the clinched joint with a stiff top sheet had increased static strength regardlessThe clinched joint with a thick top sheet demonstrated lower static strength than the joint with a thickThe flat clinching process has a great potential in joining dissimilar and various thickness materials

Keywords： clinched joint     flat clinching process     thickness configuration     material configuration     mechanical property    

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Preparation and characterization of PVDF-PFSA flat sheet ultrafiltration membranes

Jiquan MA, Junhong ZHAO, Zhongbin REN, Lei LI

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 3,   Pages 301-310 doi: 10.1007/s11705-012-1204-6

Abstract: High performance polyvinylidene fluoride (PVDF) flat sheet ultrafiltration (UF) membranes have been prepared

Keywords： polyvinylidene fluoride     perfluorosulfonic acid     polyethylene glycol     flat sheet membrane     ultrafiltration    

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Modeling of Ce(IV) transport through a dispersion flat combined liquid membrane with carrier P507

Liang PEI,Liming WANG,Zhanying MA

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 4,   Pages 503-509 doi: 10.1007/s11783-013-0540-1

Abstract: mathematical model for the transport of Ce(IV) from hydrochloric acid solutions through dispersion flat

Keywords： Dispersion flat combined liquid membrane (DFCLM)     dispersion phase     feed phase     2-ethyl hexyl phosphonic    

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Improvement in growth yield of single-walled carbon nanotubes with narrow chirality distribution by pulse

Bin Xu, Toshiro Kaneko, Toshiaki Kato

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 3,   Pages 485-492 doi: 10.1007/s11705-019-1831-2

Abstract: A pulse plasma chemical vapor deposition (CVD) technique was developed for improving the growth yieldThe growth yield of the SWNTs could be improved by repetitive short duration pulse plasma CVD, whileDetailed growth dynamics is discussed based on a systematic investigation by changing the pulse parametersThe nucleation can be controlled by adjusting the pulse on/off time ratio and the total processing time

Keywords： single-walled carbon nanotubes     chirality-controlled synthesis     pulse plasma chemical vapor deposition    

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A modified pulse charging method for lithium-ion batteries by considering stress evolution, charging

Yanfei ZHAO, Bo LU, Yicheng SONG, Junqian ZHANG

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 294-302 doi: 10.1007/s11709-018-0460-z

Abstract: The stress evolution, total charging time and capacity utilization of pulse charging (PC) method are

Keywords： fast charging method     pulse charging     stress evolution     charging time     capacity utilization    

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The most influential “Top 10 Events” in carbon neutrality and climate change in 2022

Frontiers in Energy 2023, Volume 17, Issue 1,   Pages 1-4 doi: 10.1007/s11708-023-0869-5

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Enhanced cross-flow filtration with flat-sheet ceramic membranes by titanium-based coagulation for membrane

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1531-x

Abstract:

• Ceramic membrane filtration showed high performance for surface water treatment.

Keywords： Ceramic membrane     Coagulation     Polytitanium chloride     Membrane fouling    

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Title Author Date Type Operation

Transference Process Analysis of Flat Top Laser Pulse in the Uneven Media

Zhang Shaojun,Liu Jingwan,Huang Liu

Journal Article

Two-dimensional modeling of sintering of a powder layer on top of nonporous substrate

Tiebing CHEN, Yuwen ZHANG,

Journal Article

Ultrafast solid-liquid-vapor phase change of a thin gold film irradiated by femtosecond laser pulsesand pulse trains

Jing HUANG, Yuwen ZHANG, J. K. CHEN, Mo YANG

Journal Article

Esophageal pulse oximetry is more accurate and detects hypoxemia earlier than conventional pulse oximetry

Guo Chen, Zhaoqiong Zhu*, Jin Liu, Wei Wei

Journal Article

Quantitative analysis of microplastics in coastal tidal-flat reclamation in Dongtai, China

Journal Article

Magnetohydrodynamic slip flow and diffusion of a reactive solute past a permeable flat plate with suction

Krishnendu BHATTACHARYYA, G. C. LAYEK

Journal Article

The shape control over the front-end of excimer laser beam

Zhao Xueqing,Xue Quanxi,Zheng Guoxin,Huang Ke,Xiao Weiwei,Yi Aiping,Liu Jingru

Journal Article

Nonlinear numerical simulation of punching shear behavior of reinforced concrete flat slabs with shear-heads

Dan V. BOMPA, Ahmed Y. ELGHAZOULI

Journal Article

Effects of sheet thickness and material on the mechanical properties of flat clinched joint

Chao CHEN, Huiyang ZHANG, Shengdun ZHAO, Xiaoqiang REN

Journal Article

Preparation and characterization of PVDF-PFSA flat sheet ultrafiltration membranes

Jiquan MA, Junhong ZHAO, Zhongbin REN, Lei LI

Journal Article

Modeling of Ce(IV) transport through a dispersion flat combined liquid membrane with carrier P507

Liang PEI,Liming WANG,Zhanying MA

Journal Article

Improvement in growth yield of single-walled carbon nanotubes with narrow chirality distribution by pulse

Bin Xu, Toshiro Kaneko, Toshiaki Kato

Journal Article

A modified pulse charging method for lithium-ion batteries by considering stress evolution, charging

Yanfei ZHAO, Bo LU, Yicheng SONG, Junqian ZHANG

Journal Article

The most influential “Top 10 Events” in carbon neutrality and climate change in 2022

Journal Article

Enhanced cross-flow filtration with flat-sheet ceramic membranes by titanium-based coagulation for membrane

Journal Article