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Review of self-referenced measurement algorithms: Bridging lateral shearing interferometry and multi-probe error separation

Dede ZHAI, Shanyong CHEN, Ziqiang YIN, Shengyi LI

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 2,   Pages 143-157 doi: 10.1007/s11465-017-0432-3

Abstract: technology, the sizes of measured objects increase, and the requirements for machining accuracy and surface

Keywords： self-referenced measurement     lateral shearing interferometry     multi-probe error separation     surface metrology    

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Development Strategy of National Quality Infrastructure in China

Gong Kenan, Yu Lianchao, Xu Xuelin

Strategic Study of CAE 2021, Volume 23, Issue 3,   Pages 46-52 doi: 10.15302/J-SSCAE-2021.03.015

Abstract:

National quality infrastructure (NQI) is the technical foundation of a country’s high-quality development and an important component of the national innovation system. Improving the technical capacity and management level of the NQI is a key means to promote China’s strength in science and technology and product quality. Conducting strategic research on NQI is critical for transforming China from a country of quantity to a country of quality. This study analyzes the status quo and existing problems in the development of quality infrastructure in China and abroad and proposes the overall idea, objectives, and future direction of the NQI development strategy for China. Furthermore, we propose several policies to provide support and reference for the scientific development of China’s NQI, including clarifying the strategic positioning of NQI, optimizing the construction of NQI, consolidating NQI technical foundations and systemic services, strengthening diversified resource investment, and participating in the international exchanges of NQI.

Keywords： national quality infrastructure (NQI)，standards     metrology，certification and accreditation，inspection    

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Microwave－Optical Frequency Standards at NIM：Realizing of Definition of Metre and Second

Li Tianchun

Strategic Study of CAE 2007, Volume 9, Issue 6,   Pages 27-31

Abstract:

  The paper presents the realization,  at NIM,  of SI time unit second using the NIM4 cesium fountain clock,  SI length unit meter using a femto-second (FS) optical frequency comb and calibration of wavelengths of stabilized lasers by this FS comb. The uncertainty of NIM4 fountain clock was evaluated as 5 × 10 - 15.  The frequency uncertainty of the FS optical comb locked to a H-maser, which is steered by NIM4 clock,  was estimated as 2. 2 × 10 - 14.  The function,  significance of Cs fountain clock, stabilized lasers,  optical comb and relationship among them are discussed. Finally the progress of NIM5 fountain clock and the construction of a Sr atom optical clock started in 2006 at NIM are reported.

Keywords： metrology     frequency standard     stabilized laser     Cs fountain clock     FS optical comb    

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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: Cell surface protein engineering facilitated by accumulation of information on genome and protein structureinvolves heterologous production and modification of cell surface proteins using genetic engineeringIn this field, cell surface display is a major technology by exposing target proteins, such as enzymes, on the cell surface using a carrier protein.The target proteins are fused to the carrier proteins that transport and tether them to the cell surface

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

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An Exploration of Surface Integrity Remanufacturing for Aeroengine Components

Qiao Xiang,Yong He,Ting-hong Hou

Frontiers of Engineering Management 2016, Volume 3, Issue 2,   Pages 107-114 doi: 10.15302/J-FEM-2016025

Abstract: Surface integrity is the major factor impacting on the operation quality, service life and reliabilityThe surface integrity of aeroengine component is damaged by the failures such as crack, deformation,It adopts advanced remanufacturing technologies to restore or improve the surface integrity and regenerateThis paper firstly puts forward the concept, namely surface integrity remanufacturing for aeroengineThe key remanufacturing technologies have been developed to repair the components with surface damages

Keywords： aeroengine component     surface integrity     remanufacturing     surface integrity remanufacturing    

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Review on mechanism and process of surface polishing using lasers

Arun KRISHNAN, Fengzhou FANG

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 3,   Pages 299-319 doi: 10.1007/s11465-019-0535-0

Abstract: Laser polishing is a technology of smoothening the surface of various materials with highly intense laserWhen these beams impact on the material surface to be polished, the surface starts to be melted due tomelted material is then relocated from the ‘peaks to valleys’ under the multidirectional action of surfaceparameters such as beam intensity, energy density, spot diameter, and feed rate, different rates of surfacerelied for smoothening of initial topography of the surfaces irrespective of the complexity of the surface

Keywords： laser polishing     surface roughness     process parameters     mechanism    

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Tribological study on the surface modification of metal-on-polymer bioimplants

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0682-6

Abstract: The relationship between surface roughness and coefficient of friction (COF) under dry and lubricatedResults show that under dry test, friction coefficient is not reduced all the time with a decrease in surfaceUnder wet test, COF always decreases with reduction in surface roughness.by decreasing friction force and mitigating surface deterioration.By obtaining the optimal surface roughness and applying texturing technology, the tribological performance

Keywords： artificial joints     surface roughness     friction     surface texturing    

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Performance Analysis and Evaluation of Geometric Parameters in Stereo Deflectometry Article

Yongjia Xu, Feng Gao, Xiangqian Jiang

Engineering 2018, Volume 4, Issue 6,   Pages 806-815 doi: 10.1016/j.eng.2018.10.007

Abstract: deflectometry system are analyzed and evaluated: the distance between the main camera and the measured object surface, the angle between the main camera ray and the surface normal, the distance between the fringe-displayingThrough a comparison of the given surface parameters of the concave mirror, a global measurement accuracy

Keywords： Optical metrology     Error analysis     Stereo deflectometry     Three-dimensional shape measurement     Performance    

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Development of surface reconstruction algorithms for optical interferometric measurement

Dongxu WU, Fengzhou FANG

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1,   Pages 1-31 doi: 10.1007/s11465-020-0602-6

Abstract: Optical interferometry is a powerful tool for measuring and characterizing areal surface topography inThis paper provides an in-depth perspective of surface topography reconstruction for optical interferometricThis paper also presents the new challenges that optical interferometry techniques are facing in surfaceare explored to improve the functional performance of optical interferometry in future manufacturing metrology

Keywords： surface topography     measurement     optical interferometry     coherence envelope     phase-shifting algorithm    

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Hysteretic behavior of cambered surface steel tube damper: Theoretical and experimental research

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 606-624 doi: 10.1007/s11709-023-0925-6

Abstract: A novel cambered surface steel tube damper (CSTD) with a cambered surface steel tube and two concave

Keywords： cambered surface steel tube damper     energy dissipation capacity     finite element model     hysteretic performance    

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Materials and surface engineering to control bacterial adhesion and biofilm formation: A review of recent

Huan GU, Dacheng REN

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 1,   Pages 20-33 doi: 10.1007/s11705-014-1412-3

Abstract: Recent advances in materials research and surface engineering have brought exciting opportunities to

Keywords： surface engineering     materials     bacterial adhesion     biofilm     control     review    

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Dynamic response surface methodology using Lasso regression for organic pharmaceutical synthesis

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 2,   Pages 221-236 doi: 10.1007/s11705-021-2061-y

Abstract: For utilizing such time-resolved data to model the dynamic behavior, dynamic response surface methodology

Keywords： data-driven modeling     pharmaceutical organic synthesis     Lasso regression     dynamic response surface methodology    

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Improved blending strategy for membrane modification by virtue of surface segregation using surface-tailored

Shuai Liang, Peng Gao, Xiaoqi Gao, Kang Xiao, Xia Huang

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0875-5

Abstract: Two types of amphiphilic nanoparticles were prepared via silanization reaction. Amphiphilic nanoparticles tend to protrude from membrane matrix by segregation. Blending with amphiphilic nanoparticles further enhances membrane hydrophilicity. Excessive silanization cause adverse effect on blending efficiency. Membrane modification is one of the most feasible and effective solutions to membrane fouling problem which tenaciously hampered the further augmentation of membrane separation technology. Blending modification with nanoparticles (NPs), owing to the convenience of being incorporated in established membrane production lines, possesses an advantageous viability in practical applications. However, the existing blending strategy suffers from a low utilization efficiency due to NP encasement by membrane matrix. The current study proposed an improved blending modification approach with amphiphilic NPs (aNPs), which were prepared through silanization using 3-(Trimethoxysilyl)propyl methacrylate (TMSPMA) as coupling agents and ZnO or SiO as pristine NPs (pNPs), respectively. The Fourier transform infrared and X-ray photoelectron spectroscopy analyses revealed the presence of appropriate organic components in both the ZnO and SiO aNPs, which verified the success of the silanization process. As compared with the pristine and conventional pNP-blended membranes, both the ZnO aNP-blended and SiO aNP-blended membranes with proper silanization (100% and 200% w/w) achieved a significantly increased blending efficiency with more NPs scattering on the internal and external membrane surfaces under scanning electron microscope observation. This improvement contributed to the increase of membrane hydrophilicity. Nevertheless, an extra dosage of the TMSPMA led to an encasement of NPs, thereby adversely affecting the properties of the resultant membranes. On the basis of all the tests, 100% (w/w) was selected as the optimum TMSPMA dosage for blending modification for both the ZnO and SiO types.

Keywords： Membrane modification     Nanoparticle     Hydrophilic     Amphiphilic     Blending    

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Radiative properties of materials with surface scattering or volume scattering: A review

Qunzhi ZHU, Hyunjin LEE, Zhuomin M. HANG

Frontiers in Energy 2009, Volume 3, Issue 1,   Pages 60-79 doi: 10.1007/s11708-009-0011-3

Abstract: Rigorous solutions and approximation methods for surface scattering and volume scattering are describedThe approach of using measured surface roughness statistics in Monte Carlo simulations to predict radiative

Keywords： aerogel     fiber     particle scattering     radiative properties     soot     surface roughness    

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Title Author Date Type Operation

Review of self-referenced measurement algorithms: Bridging lateral shearing interferometry and multi-probe error separation

Dede ZHAI, Shanyong CHEN, Ziqiang YIN, Shengyi LI

Journal Article

Development Strategy of National Quality Infrastructure in China

Gong Kenan, Yu Lianchao, Xu Xuelin

Journal Article

Microwave－Optical Frequency Standards at NIM：Realizing of Definition of Metre and Second

Li Tianchun

Journal Article

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

Hajime Nakatani,Katsutoshi Hori

Journal Article

An Exploration of Surface Integrity Remanufacturing for Aeroengine Components

Qiao Xiang,Yong He,Ting-hong Hou

Journal Article

Review on mechanism and process of surface polishing using lasers

Arun KRISHNAN, Fengzhou FANG

Journal Article

Tribological study on the surface modification of metal-on-polymer bioimplants

Journal Article

Performance Analysis and Evaluation of Geometric Parameters in Stereo Deflectometry

Yongjia Xu, Feng Gao, Xiangqian Jiang

Journal Article

Development of surface reconstruction algorithms for optical interferometric measurement

Dongxu WU, Fengzhou FANG

Journal Article

Hysteretic behavior of cambered surface steel tube damper: Theoretical and experimental research

Journal Article

Materials and surface engineering to control bacterial adhesion and biofilm formation: A review of recent

Huan GU, Dacheng REN

Journal Article

Hélène Mainaud Durand: Advances in Large Volume Metrology in Particles Accelerators（2019.10.10）

23 Apr 2021

Conference Videos

Dynamic response surface methodology using Lasso regression for organic pharmaceutical synthesis

Journal Article

Improved blending strategy for membrane modification by virtue of surface segregation using surface-tailored

Shuai Liang, Peng Gao, Xiaoqi Gao, Kang Xiao, Xia Huang

Journal Article

Radiative properties of materials with surface scattering or volume scattering: A review

Qunzhi ZHU, Hyunjin LEE, Zhuomin M. HANG

Journal Article