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A super-element approach for structural identification in time domain

LI Jie, ZHAO Xin

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 2,   Pages 215-221 doi: 10.1007/s11465-006-0004-4

Abstract: Then a parameterization procedure based on the sensitivities of response forces is introduced to establish

Keywords： numerical     effective decomposing     parameterization procedure     divide-and-conquer ability     time-domain identification    

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Systematic screening procedure and innovative energy-saving design for ionic liquid-based extractive

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 1,   Pages 34-45 doi: 10.1007/s11705-022-2234-3

Abstract: In the traditional extractive distillation process, organic solvents are often used as entrainers. However, environmental influence and high energy-consumption are significant problems in industrial application. In this study, a systematic screening strategy and innovative energy-saving design for ionic liquid-based extractive distillation process was proposed. The innovative energy-saving design focused on the binary minimum azeotrope mixtures isopropanol and water. Miscibility, environmental impact and physical properties (e.g., melting point and viscosity) of 30 ionic liquids were investigated. 1-Ethyl-3-methyl-imidazolium dicyanamide and 1-butyl-3-methyl-imidazolium dicyanamide were selected as candidate entrainers. Feasibility analysis of these two ionic liquids was further performed via residue curve maps, isovolatility line and temperature profiles. An innovative ionic liquid-based extractive distillation process combining distillation column and stripping column was designed and optimized with the objective function of minimizing the total annualized cost. The results demonstrate that the total annualized cost was reduced by 19.9% with 1-ethyl-3-methyl-imidazolium dicyanamide as the entrainer and by 24.3% with 1-butyl-3-methyl-imidazolium dicyanamide, compared with that of dimethyl sulfoxide. The method proposed in this study is conducive to the green and sustainable development of extractive distillation process.

Keywords： ionic liquid     entrainer screening     feasibility analysis     extractive distillation    

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Effects of combined procedure and devascularization alone on hyperdynamics of the portal venous system

HUA Rong, SUN Yongwei, WU Zhiyong

Frontiers of Medicine 2008, Volume 2, Issue 3,   Pages 244-247 doi: 10.1007/s11684-008-0046-6

Abstract: PCDV) alone and conventional splenorenal shunt combined with pericardial devascularization (combined proceduredecreased by both surgical procedures, but the effect of decreasing FPP was much better in the combined procedureIt is suggested that the combined surgical procedure could integrate the advantages of shunting with
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A dynamic procedure based on the scale-similarity hypotheses for large-eddy simulation

ZHOU Bing, CUI Guixiang, CHEN Naixiang

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 468-472 doi: 10.1007/s11708-007-0069-z

Abstract: Current dynamic procedures in large-eddy simulation treat the two subgrid-scale stresses in the Germano identity with the same subgrid base model. Thus to get the base model coefficient, the coefficient must be assumed to be consta

Keywords： large-eddy simulation     Germano identity     coefficient     subgrid-scale    

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Working Procedure of Developing a New Deep Hard-rock Burst-prone Deposit

Guo Ran,Yu Runcang

Strategic Study of CAE 2002, Volume 4, Issue 7,   Pages 51-55

Abstract: In this paper, the authors create a general working procedure to develop a new hard-rock burst-proneThe general procedure is divided into 6 steps： initial determination of burst tendency; study of the

Keywords： rockburst     mining technique     working procedure    

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Some Theoretical Issues on Procedure Neural Networks

He Xingui,Liang Jiuzhen

Strategic Study of CAE 2000, Volume 2, Issue 12,   Pages 40-44

Abstract:

In this paper, a novel artificial neuron model-procedure neuron model is proposed, in which the inputsBased on these neurons, a model named procedure neural network, which is also a feedforward network withThe authors call this neural network as Procedure Neural Network (PNN) expanded on certain base functions

Keywords： procedure neural networks     function approximation ability     computational capability     continuity    

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ARAP++: an extension of the local/global approach tomesh parameterization 1 Project supported Article

Zhao WANG,Zhong-xuan LUO,Jie-lin ZHANG,Emil SAUCAN

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 6,   Pages 501-515 doi: 10.1631/FITEE.1500184

Abstract: Mesh parameterization is one of the fundamental operations in computer graphics (CG) and computeraidedIn this paper, we propose a novel local/global parameterization approach, ARAP++, for singleand multi-boundary

Keywords： Mesh parameterization     Convex combination weights     Stretch operator     Jacobian matrix    

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Construction procedure study of ship chamber of Three Gorges Project ship lift

Zeng Ming

Strategic Study of CAE 2013, Volume 15, Issue 9,   Pages 40-44

Abstract: Reasonable ship lift ship compartments chamber construction procedure and construction schedule arrangement

Keywords： construction procedure     ship chamber     ship lift     Three Gorges Project    

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New concept and procedure for reliability assessment of an IEC 61850 based substation and distribution

Hosein HAYATI,Amir AHADI,Seyed Mohsen MIRYOUSEFI AVAL

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 387-398 doi: 10.1007/s11708-015-0382-6

Abstract: Smart grid is a power grid consists of extensive monitoring systems which deal with the monitoring of attributes such as current, voltage, power, and energy at distribution transformers, substations transformers, distribution switching devices and smart meters. Smart grid with advanced communication technologies can be used for several purposes such as efficiency and reliability improvement. IEC 61850 is the core standard in the smart grid domain for distribution and substation automation. This paper introduces a vision of modern substation and distribution systems using the IEC 61850. Network operators mainly assume that the modern substation and distribution systems based on the IEC 61850 are reliable for a long-time of operation. However, similar to any other systems, the implemented IEC 61850 might fail because of the operational failures or aging failures. This paper proposes a novel method for reliability evaluation of modern substation and distribution systems. A typical IEC 61850 based distribution and substation system is developed and analyzed using the proposed method. The fault tree analysis (FTA) is used to quantify the reliability of the system. The technique is implemented and demonstrated on the Roy Billinton test system (RBTS). The analysis is further extended on a 400/63 kV substation with a breaker- and-a-half configuration. In addition, the technique proves to be robust under different operations. The results verify the feasibility and applicability of the proposed method.

Keywords： IEC 61850     reliability assessment     fault tree analysis    

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Learning and Applications of Procedure Neural Networks

He Xingui,Liang Jiuzhen,Xu Shaohua

Strategic Study of CAE 2001, Volume 3, Issue 4,   Pages 31-35

Abstract:

This paper deals with learning algorithms for procedure neural networks (PNN) and its applications

Keywords： procedure neural networks     learning algorithm     pattern recognition     chemical reaction     seepage    

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Construction of Long Distance Oil and Gas Transmitting Pipeline——Setting of Welding Procedure and Making

Guo Haiyun,Li Huan,Li Guohua,Hu Lianhai

Strategic Study of CAE 2001, Volume 3, Issue 12,   Pages 76-79

Abstract: Setting of welding procedure and making choice of welding equipment involve a lot of techniques.

Keywords： construction of oil and gas pipeline     welding procedure     welding equipment     choice    

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A new procedure combining GC-MS with accelerated solvent extraction for the analysis of phthalic acid

Tingting MA, Ying TENG, Peter CHRISTIE, Yongming LUO, Yongshan CHEN, Mao YE, Yujuan HUANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 1,   Pages 31-42 doi: 10.1007/s11783-012-0463-2

Abstract: An optimized procedure based on gas chromatography-mass spectrometry (GC-MS) combined with acceleratedQA/QC for the developed procedure was tested in four PAE-spiked soils and one PAE-contaminated soil.The developed procedure is anticipated to be highly applicable for field surveys of soil PAE pollution

Keywords： phthalic acid esters     quality assurance and quality control     soil type     accelerated solvent extraction     certified reference materials    

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Emission characteristics of a turbocharged diesel engine fueled with gas-to-liquids

WU Tao, ZHANG Wugao, FANG Junhua, HUANG Zhen

Frontiers in Energy 2007, Volume 1, Issue 3,   Pages 331-335 doi: 10.1007/s11708-007-0049-z

Abstract: PM, carbon monoxide (CO), and hydrocarbon (HC) by 23.7%, 27.6%, 16.6% and 12.9% in ECE R49 13-mode procedure

Keywords： comparison     conventional     fraction     13-mode procedure     study    

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Theory and method of mechanism system design

Huijun ZOU, Qinghua LIANG, Qing ZHANG

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 399-411 doi: 10.1007/s11465-010-0116-8

Abstract: Conceptual design is the most critical and creative phase of design. Recently, increasing attention has been directed to supporting conceptual-level computer aided creative design and its theories and methodologies. Specifically, for conceptual design of mechanical products, this paper presents a novel function solving model for mechanical product design and highlights the importance of systematic synthesis to achieve creative design. Then it builds a framework as a function-effect-process-action- mechanisms (FEPAM) mapping process, which enables creative design on the basis of conceiving different action schemes. After that, several key points are elaborated including 1) representing and decomposition methods of functions and motion behaviors; 2) action scheme representing method based on network plan techniques; and 3) variation and creation methods based on action scheme transformations.

Keywords： mechanism system creative design     process model     function solving model     process action procedure     mechanisms    

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Installation technology of counterweight system of Three Gorges Project ship lift

Cai Chunhua and Luo Bin

Strategic Study of CAE 2013, Volume 15, Issue 9,   Pages 70-76

Abstract: The overall installation procedure of counterweight system has been put forward which are suitable for

Keywords： Three Gorges Project ship lift     counterweight system     installation procedure     installation technology    

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Title Author Date Type Operation

A super-element approach for structural identification in time domain

LI Jie, ZHAO Xin

Journal Article

Systematic screening procedure and innovative energy-saving design for ionic liquid-based extractive

Journal Article

Effects of combined procedure and devascularization alone on hyperdynamics of the portal venous system

HUA Rong, SUN Yongwei, WU Zhiyong

Journal Article

A dynamic procedure based on the scale-similarity hypotheses for large-eddy simulation

ZHOU Bing, CUI Guixiang, CHEN Naixiang

Journal Article

Working Procedure of Developing a New Deep Hard-rock Burst-prone Deposit

Guo Ran,Yu Runcang

Journal Article

Some Theoretical Issues on Procedure Neural Networks

He Xingui,Liang Jiuzhen

Journal Article

ARAP++: an extension of the local/global approach tomesh parameterization 1 Project supported

Zhao WANG,Zhong-xuan LUO,Jie-lin ZHANG,Emil SAUCAN

Journal Article

Construction procedure study of ship chamber of Three Gorges Project ship lift

Zeng Ming

Journal Article

New concept and procedure for reliability assessment of an IEC 61850 based substation and distribution

Hosein HAYATI,Amir AHADI,Seyed Mohsen MIRYOUSEFI AVAL

Journal Article

Learning and Applications of Procedure Neural Networks

He Xingui,Liang Jiuzhen,Xu Shaohua

Journal Article

Construction of Long Distance Oil and Gas Transmitting Pipeline——Setting of Welding Procedure and Making

Guo Haiyun,Li Huan,Li Guohua,Hu Lianhai

Journal Article

A new procedure combining GC-MS with accelerated solvent extraction for the analysis of phthalic acid

Tingting MA, Ying TENG, Peter CHRISTIE, Yongming LUO, Yongshan CHEN, Mao YE, Yujuan HUANG

Journal Article

Emission characteristics of a turbocharged diesel engine fueled with gas-to-liquids

WU Tao, ZHANG Wugao, FANG Junhua, HUANG Zhen

Journal Article

Theory and method of mechanism system design

Huijun ZOU, Qinghua LIANG, Qing ZHANG

Journal Article

Installation technology of counterweight system of Three Gorges Project ship lift

Cai Chunhua and Luo Bin

Journal Article