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Innovation and practice of construction technology on hydraulic high-precision concrete

Zhou Hougui

Strategic Study of CAE 2013, Volume 15, Issue 9,   Pages 4-8

Abstract:

Based on the background of high-precision concrete construction in ThreeGorges Project ship lift, the meaning of hydraulic high-precision concrete and its construction techniquesand construction practices are expounded in this paper.The main accuracy control standards, high-precision measurement technology, high-precision concrete constructiontechnology and concrete physical test results of the high-precision concrete construction of the Three

Keywords： high-precision concrete     construction technology     Three Gorges Project     ship lift    

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High-precision diffusion measurement of ethane and propane over SAPO-34 zeolites for methanol-to-olefin

Dali Cai, Yu Cui, Zhao Jia, Yao Wang, Fei Wei

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1,   Pages 77-82 doi: 10.1007/s11705-017-1684-5

Abstract: In this paper, we performed a high-precision diffusion measurement of the diffusion behavior of ethane

Keywords： diffusion measurement     methanol-to-olefin process    

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Conceptual design of compliant translational joints for high-precision applications

Guangbo HAO,Haiyang LI,Xiuyun HE,Xianwen KONG

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 4,   Pages 331-343 doi: 10.1007/s11465-014-0321-y

Abstract:

Compliant translational joints (CTJs) have been extensively used in precision engineering and microelectromechanical

Keywords： compliant mechanisms     translational joints     conceptual design     parallelogram     straight-line motion     combination method    

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High-precision standard enthalpy of formation for polycyclic aromatic hydrocarbons predicting from general

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1743-1750 doi: 10.1007/s11705-022-2184-9

Abstract: In this work, a high-precision method was developed to calculate accurate standard enthalpies of formationThrough a comparison with available experimental findings and other high-precision computational resultsused to investigate the energetic properties of larger polycyclic aromatic hydrocarbons to achieve a high-precision

Keywords： standard enthalpy of formation     polycyclic aromatic hydrocarbons     connectivity based hierarchy     high-precision    

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Fast forward kinematics algorithm for real-time and high-precision control of the 3-RPS parallel mechanism

Yue WANG, Jingjun YU, Xu PEI

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 3,   Pages 368-375 doi: 10.1007/s11465-018-0519-5

Abstract: This novel forward kinematics algorithm is well suited for real-time and high-precision control of the

Keywords： 3-RPS parallel mechanism     forward kinematics     numerical algorithm     parasitic motion    

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Processing of high-precision ceramic balls with a spiral V-groove plate

Ming FENG,Yongbo WU,Julong YUAN,Zhao PING

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 1,   Pages 132-142 doi: 10.1007/s11465-017-0436-z

Abstract:

As the demand for high-performance bearings gradually increases, ceramic balls with excellent properties, such as high accuracy, high reliability, and high chemical durability used, are extensively used forhigh-performance bearings.In this study, a spiral V-groove plate method is employed in processing high-precision ceramic balls.These findings confirm that the proposed method can be applied to high-accuracy and high-consistency

Keywords： bearing     ceramic ball     spiral V-groove     kinematic analysis     trajectory    

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High-precision gyro-stabilized control of a gear-driven platform with a floating gear tension device

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 487-503 doi: 10.1007/s11465-021-0635-5

Abstract: system with a floating gear tension device, which shows a maximum 76% improvement in stabilization precision

Keywords： inertially stabilized platform     floating gear tension device     nonlinear friction     disturbance compensation     proportional multiple-integral observer    

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Construction of interfacial dynamic bonds for high performance lignin/polymer biocomposites

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1372-1388 doi: 10.1007/s11705-023-2302-3

Abstract: The development of lignin/polymer biocomposites can promote the high value utilization of lignin andAs such, it is extremely difficult to prepare high performance lignin/polymer biocomposites.Recently, we proposed the strategy of in situ construction of interfacial dynamic bonds in ligninBy taking advantage of the abundant oxygen-containing polar groups of lignin, we inserted dynamic bondingconcise review systematically summarized the recent research progress of our group toward building high-performance

Keywords： lignin     polymer     interfacial dynamic bonds    

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Development Strategy of Quantum-Based Deep Geophysical Exploration Technology and Equipment

Lin Jun, Ji Yanju, Zhao Jing , Tong Xunqian , Yi Xiaofeng

Strategic Study of CAE 2022, Volume 24, Issue 4,   Pages 156-166 doi: 10.15302/J-SSCAE-2022.04.017

Abstract: This study focuses on the frontier technologies for the quantum-based high-precision measurement of EarthMoreover, the international trend of quantum-based high-precision measurement technology as well as theQuantum magnetic field sensors conduct high-precision measurement according to the influence of environmentalTherefore, urgent resolution of the theoretical method of quantum-based high-precision measurement ofmeasurement technology, realize the localization and practical application of quantum high-precision

Keywords： mineral resources     deep detection     quantum-based high-precision measurement     superconducting quantum-based    

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Comprehensive analysis of the influence of structural and dynamic parameters on the accuracy of nano-precision

Chengyuan LIANG, Fang YUAN, Xuedong CHEN, Wei JIANG, Lizhan ZENG, Xin LUO

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 3,   Pages 255-272 doi: 10.1007/s11465-019-0538-x

Abstract: Nano-precision positioning stages are characterized by rigid-flexible coupling systems.and dynamic parameters, exert a serious influence on the accuracy of its motion and measurement.A systematic approach to modeling the dynamic accuracy of a nano-precision positioning stage is developedin this work by integrating a multi-rigid-body dynamic model of the mechanical system and measurementof nano-precision positioning stages.

Keywords： nano-precision positioning stage     analysis and design     structural and dynamic parameters     dynamic accuracy    

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High-precision Numerical Computation of High-degree Gauss quadrature Nodes

Zhang Qingli,Wang Xiaomei,Yin Shaotang,Jiang Haihe

Strategic Study of CAE 2008, Volume 10, Issue 2,   Pages 35-40

Abstract: A method to compute the zeroes of the high-degree Legendre, Laguerre and Hermite polynomials, which areAfter the intervals of all roots are obtained, the roots with the desired precision can be gotten byNumerical experiments indicate that the method is very efficient and the high-precise roots of Legendre

Keywords： Gauss quadrature     Legendre polynomial     Laguerre polynomial     Hermite polynomial     extract roots    

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Evaluation of measurement uncertainty of the high-speed variable-slit system based on the Monte Carlo

Yin ZHANG, Jianwei WU, Kunpeng XING, Zhongpu WEN, Jiubin TAN

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 4,   Pages 517-537 doi: 10.1007/s11465-020-0589-z

Abstract: This paper presents a dynamic and static error transfer model and uncertainty evaluation method for ahigh-speed variable-slit system based on a two-dimensional orthogonal double-layer air-floating guideboth the moving component it is attached to and the moving component of the following blade during high-speedFirst, an error transfer model of the high-speed variable-slit system is established, and the influenceFinally, the uncertainty of the blade displacement measurement is evaluated using the Monte Carlo method

Keywords： air-floating guide rail     error transfer model     driving and following structure     dynamic error     uncertainty    

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High resolution satellite imaging sensors for precision agriculture

Chenghai YANG

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 4,   Pages 393-405 doi: 10.15302/J-FASE-2018226

Abstract:

The central concept of precision agriculture is to manage within-field soil and crop growth variabilitySince the first high resolution satellite sensor IKONOS was launched in 1999, numerous commercial highcoverage, make high resolution satellite sensors attractive for many applications, including precisionhave been used or have potential for precision agriculture.of remote sensors for precision agriculture are discussed.

Keywords： high resolution satellite sensor     multispectral imagery     precision agriculture     spatial resolution     temporal    

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Air-bearing position optimization based on dynamic characteristics of ultra-precision linear stages

CHEN Xuedong, LI Zhixin

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 400-407 doi: 10.1007/s11465-008-0060-z

Abstract: Air-bearings are installed between the stator and the mover of ultra-precision linear stages to suppressemulate the complex interaction of the finite element model (FEM) developed in this paper and the system dynamicHowever, the dynamic characteristics including mode frequency, mode shape, and response amplitude areThe best and worst positions are obtained using the dynamic characteristic analysis.the connection position of different components in manufacture elements and to implement the system dynamic

Keywords： manufacture     different     interaction     air-bearings     response amplitude    

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Title Author Date Type Operation

Green Construction of National Speed Skating Oval

Journal Article

Innovation and practice of construction technology on hydraulic high-precision concrete

Zhou Hougui

Journal Article

High-precision diffusion measurement of ethane and propane over SAPO-34 zeolites for methanol-to-olefin

Dali Cai, Yu Cui, Zhao Jia, Yao Wang, Fei Wei

Journal Article

Conceptual design of compliant translational joints for high-precision applications

Guangbo HAO,Haiyang LI,Xiuyun HE,Xianwen KONG

Journal Article

High-precision standard enthalpy of formation for polycyclic aromatic hydrocarbons predicting from general

Journal Article

Fast forward kinematics algorithm for real-time and high-precision control of the 3-RPS parallel mechanism

Yue WANG, Jingjun YU, Xu PEI

Journal Article

Processing of high-precision ceramic balls with a spiral V-groove plate

Ming FENG,Yongbo WU,Julong YUAN,Zhao PING

Journal Article

High-precision gyro-stabilized control of a gear-driven platform with a floating gear tension device

Journal Article

Construction of interfacial dynamic bonds for high performance lignin/polymer biocomposites

Journal Article

Development Strategy of Quantum-Based Deep Geophysical Exploration Technology and Equipment

Lin Jun, Ji Yanju, Zhao Jing , Tong Xunqian , Yi Xiaofeng

Journal Article

Comprehensive analysis of the influence of structural and dynamic parameters on the accuracy of nano-precision

Chengyuan LIANG, Fang YUAN, Xuedong CHEN, Wei JIANG, Lizhan ZENG, Xin LUO

Journal Article

High-precision Numerical Computation of High-degree Gauss quadrature Nodes

Zhang Qingli,Wang Xiaomei,Yin Shaotang,Jiang Haihe

Journal Article

Evaluation of measurement uncertainty of the high-speed variable-slit system based on the Monte Carlo

Yin ZHANG, Jianwei WU, Kunpeng XING, Zhongpu WEN, Jiubin TAN

Journal Article

High resolution satellite imaging sensors for precision agriculture

Chenghai YANG

Journal Article

Air-bearing position optimization based on dynamic characteristics of ultra-precision linear stages

CHEN Xuedong, LI Zhixin

Journal Article