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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-precisioncalculation at the CCSD(T)/CBS level.

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

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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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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 algorithm substantially improves calculation efficiency because the selected initial values arereasonable, and all the formulas in the calculation are analytical.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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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 techniquesThe 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 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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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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Green Construction of National Speed Skating Oval

Frontiers of Engineering Management 2022, Volume 9, Issue 1,   Pages 170-176 doi: 10.1007/s42524-021-0177-x

Keywords： large-span cable net structure     CO2 Transcritical Direct-cooling Ice Making System     dynamic high-precision    

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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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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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A High-Precision US-Guided Robot-Assisted HIFU Treatment System for Breast Cancer Article

Tianhan Tang,Takashi Azuma,Toshihide Iwahashi,Hideki Takeuchi,Etsuko Kobayashi,Ichiro Sakuma

Engineering 2018, Volume 4, Issue 5,   Pages 702-713 doi: 10.1016/j.eng.2018.07.008

Abstract: A strong treatment candidate is high-intensity focused ultrasound (HIFU), a non-invasive therapeuticTo improve the precision and lower the cost of HIFU treatment, our group has developed an ultrasound

Keywords： HIFU     Breast cancer     US-guided navigation     Medical robotics     Accuracy evaluation    

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A high-precision terahertz retrodirective antenna array with navigation signal at a different frequency Correspondence

Zhong-bo ZHU, Wei-dong HU, Tao QIN, Sheng LI, Xiao-jun LI, Jiang-jie ZENG, Xian-qi LIN, Leo P. LIGTHART

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 3,   Pages 377-383 doi: 10.1631/FITEE.1900581

Abstract: Future communications will provide higher transmission rates and higher operating frequencies. In addition, agile beam tracking will be an inevitable trend in technology development. The terahertz retrodirective antenna array proposed and discussed in this paper can be a better solution for agile beam tracking. The array receives a 40-GHz navigation signal and accurately retransmits a 120-GHz beam in the direction of the arrival wave. Simulation results indicate that the proposed array with a stacked sandwich structure has realized the tracking of the received wave. The scanning radiation pattern shows that the array gain is 23.87 dB at 19.9° when the incident angle is 20° with a relative error of only 0.5%, meaning that there is a lateral error of only 8.7 m at a transmission distance of 5 km.

Keywords： Terahertz     Retrodirective antenna array     Terahertz communications     Conjugate mixing    

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Coordinate system applied to magnetic suspension project between Shanghai and Hangzhou

SHI Yimin, WANG Lihua, LUO Yan

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 3,   Pages 288-292 doi: 10.1007/s11709-008-0041-7

Abstract: Not only the coordinate systems for route location along the whole line can be unified, but also the precisionof lengths and angles obtained from simple formulas are very high and there are not any map projectionThis has been proven by calculation.

Keywords： requirement     projection     calculation     Shanghai     precision    

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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 theSubsequently, the research on high-precision quantum gravity and magnetic field detection system can The high-precision index of a single chip or prototype does not imply that the key technologiesTherefore, urgent resolution of the theoretical method of quantum-based high-precision measurement of

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

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Thermal characteristic analysis and thermal design technology for high speed high precision machine tools

Gao Jianmin,Shi Xiaojun,Xu Aiming and Zhao Boxuan

Strategic Study of CAE 2013, Volume 15, Issue 1,   Pages 28-33

Abstract:

Based on how to improve the inherent thermal performance of high speed high precision machine tools

Keywords： high speed high precision machine tool     thermal characteristic analysis     thermal structure optimization    

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Title Author Date Type Operation

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

Journal Article

Conceptual design of compliant translational joints for high-precision applications

Guangbo HAO,Haiyang LI,Xiuyun HE,Xianwen KONG

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

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

Zhou Hougui

Journal Article

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

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

Green Construction of National Speed Skating Oval

Journal Article

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

Zhang Qingli,Wang Xiaomei,Yin Shaotang,Jiang Haihe

Journal Article

High resolution satellite imaging sensors for precision agriculture

Chenghai YANG

Journal Article

A High-Precision US-Guided Robot-Assisted HIFU Treatment System for Breast Cancer

Tianhan Tang,Takashi Azuma,Toshihide Iwahashi,Hideki Takeuchi,Etsuko Kobayashi,Ichiro Sakuma

Journal Article

A high-precision terahertz retrodirective antenna array with navigation signal at a different frequency

Zhong-bo ZHU, Wei-dong HU, Tao QIN, Sheng LI, Xiao-jun LI, Jiang-jie ZENG, Xian-qi LIN, Leo P. LIGTHART

Journal Article

Coordinate system applied to magnetic suspension project between Shanghai and Hangzhou

SHI Yimin, WANG Lihua, LUO Yan

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

Thermal characteristic analysis and thermal design technology for high speed high precision machine tools

Gao Jianmin,Shi Xiaojun,Xu Aiming and Zhao Boxuan

Journal Article