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Techno-economic characteristics of wastewater treatment plants retrofitted from the conventional activated sludge process to the membrane bioreactor process

Frontiers of Environmental Science & Engineering doi: 10.1007/s11783-021-1483-6

Abstract:

While a growing number of wastewater treatment plants (WWTPs) are being retrofitted from the conventional activated sludge (CAS) process to the membrane bioreactor (MBR) process, the debate on the techno-economy of MBR vs. CAS has continued and calls for a thorough assessment based on techno-economic valuation.

Keywords： bioreactor (MBR)     Conventional activated sludge (CAS)     Cost-benefit analysis     Data envelopment analysis     Netprofit    

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Network Planning Multi-objective Optimization Based on Differential Evolution

Li Gaoyang,Wu Yuhua,Liu Mingguang

Strategic Study of CAE 2006, Volume 8, Issue 6,   Pages 60-63

Abstract:

Based on the synthetic study of costing, quality and construction period, the multi-objective optimal model considering the maximal pure value and quality of construction project is made in order to improve economic benefit of construction enterprise. Then, a new method called differential evolution is introduced into the multi-objective optimization. The model and validity of this algorithm are tested through project case.

Keywords： network planning     multi-objective optimization     differential evolution     net profit     quality    

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Managing economic and social profit of cooperative models in three-echelon reverse supply chain for waste

Jian Li, Zhen Wang, Bao Jiang

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 5, doi: 10.1007/s11783-017-0999-2

Abstract: The results indicate that optimal total channel profit and recycle quantity in a reverse supply chainThe optimal total channel profit and recycle quantity increase with an increase in the market demandThe three-echelon reverse supply chain consisting of duopolistic retailers maximizes total channel profit

Keywords： Waste electrical and electronic equipment (WEEE)     Reverse supply chains     Recycle quantity     Social benefit     Cooperative models     Duopolistic retailers    

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Research and industrialization of near-net rolling technology used in shaft parts

Zhenghuan HU, Baoyu WANG, Zhenhua ZHENG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1,   Pages 17-24 doi: 10.1007/s11465-018-0480-3

Abstract:

Shaft part rolling is an efficient and green near-net shaping technology offering many advantages,

Keywords： cross wedge rolling     skew rolling     near-net rolling     shaft part    

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Effects of hydraulic retention time on net present value and performance in a membrane bioreactor treating

Dawei Yu, Jianxing Wang, Libin Zheng, Qianwen Sui, Hui Zhong, Meixue Cheng, Yuansong Wei

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 6, doi: 10.1007/s11783-020-1280-7

Abstract: the membrane bioreactor, both full-scale (500 m3/d) and pilot (1.0 m3/d), were used to calculate the netTank construction cost was decisive in determining the net present value contributed 62.1% to the capital

Keywords： Antibiotic production wastewater     Net present value     Membrane bioreactor     Hydraulic retention time     Pollutant    

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Special issue: Near-net shaping technology

Dequn LI, Dongming GUO, Qingxue HUANG, Yanchun LOU

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1,   Pages 1-2 doi: 10.1007/s11465-018-0497-7

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Modeling and Analysis of Elevator System Based on Timed-Coloured Petri Net

Zong Qun,Dou Liqian,Cheng Yiju

Strategic Study of CAE 2004, Volume 6, Issue 12,   Pages 51-55

Abstract:

In this paper, an elevator running model based on timed-coloured Petri net is proposed.

Keywords： Petri net     timed-coloured Petri net     the model of elevator     the running of elevator    

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Determining casting defects in near-net shape casting aluminum parts by computed tomography

Jiehua LI, Bernd OBERDORFER, Daniel HABE, Peter SCHUMACHER

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1,   Pages 48-52 doi: 10.1007/s11465-018-0493-y

Abstract:

Three types of near-net shape casting aluminum parts were investigated by computed tomography to determinepart, and this absence of defects indicates that semi-solid casting could produce high-quality near-netinvestigation demonstrated that computed tomography is an efficient method to determine casting defects in near-net

Keywords： near-net shape casting     aluminum parts     casting defects     low pressure die casting     die casting     semi-solid    

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Influence of damages on static behavior of single-layer cable net supported glass curtain wall: full-scale

Gang SHI, Yongjiu SHI, Yuanqing WANG, Yongzhi ZUO, Xiaohao SHI, Zaoyang GUO,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 383-395 doi: 10.1007/s11709-010-0074-6

Abstract: The single-layer cable net supported glass curtain wall has been applied in many building structuresTo study the influence of such damages on the static behavior of the single-layer cable net supportedThe stiffness contribution of glass panels to the single-layer cable net supported glass curtain wall

Keywords： single-layer plane cable net supported glass curtain wall     damage     cable prestress loss     cable anchorage    

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The research of grey clustering decision of assembly sequence based on petri net

Mo Qian,Luo Yi

Strategic Study of CAE 2008, Volume 10, Issue 11,   Pages 65-68

Abstract: paper establishes assembly model according to the intuitionistic graphics mode characteristics of petri net, and gets feasible assembly sequence according to the principle of petri net.this method can evaluate correctly the feasible assembly sequences according to the principle of petri net

Keywords： assembly sequence     petri net     grey clustering decision method    

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Edge Detection Based on a Uniform B-Spline With Shape Parameter by Modifying Profit and Loss Data

Zhao Yanli ,Wang Zhan ,Guo Chenghao ,Liu Fengyu

Strategic Study of CAE 2007, Volume 9, Issue 7,   Pages 65-70

Abstract: forward a novel image edge detection method based on uniform B-spline with shape parameter by modifying profit

Keywords： uniform B-spline with shape parameter     edge detection     computer vision     profit and loss modifying    

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Getting to Net-Zero Emissions

Chris Greig

Engineering 2020, Volume 6, Issue 12,   Pages 1341-1342 doi: 10.1016/j.eng.2020.09.005

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Hydrogen for a Net-Zero Carbon World

Nigel P Brandon, James J Brandon

Engineering 2023, Volume 29, Issue 10,   Pages 8-10 doi: 10.1016/j.eng.2023.08.002

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AED-Net: An Abnormal Event Detection Network Article

Tian Wang, Zichen Miao, Yuxin Chen, Yi Zhou, Guangcun Shan, Hichem Snoussi

Engineering 2019, Volume 5, Issue 5,   Pages 930-939 doi: 10.1016/j.eng.2019.02.008

Abstract: In this paper, a self-supervised framework called the abnormal event detection network (AED-Net), whichby adding a local response normalization (LRN) layer, we propose an improvement to the original AED-Net

Keywords： Abnormal events detection     Abnormal event detection network     Principal component analysis network     Kernel principal component analysis    

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The Safe and Quick Long-Distance Transmission MethodBased on BP Neural Net for Engineering Graphics Data

Qin Wei,Qin Shuyu

Strategic Study of CAE 2007, Volume 9, Issue 1,   Pages 49-52

Abstract:

In the digital manufacturing,information circulation of engineering graphics can be realized in a short time by Internet inside enterprise and among enterprises.Manpower,material and financial resources are economized through the method and mistakes and redundancy of data obtained are also be cut down to maximum extent.Based on the characteristic of correlation of graphics'geometry elements,long唱distance high efficiency and secure transmission of complex engineering graphics data is realized after parameter structure is built and data code compression and data encryption are put in practice at the same time by using BP algorithm of artificial neural network.Examples show that this method can be used in actual engineering.

Keywords： neural net     BP algorithm     correlation     encrypt     speed transmission     graphics data    

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Title Author Date Type Operation

Techno-economic characteristics of wastewater treatment plants retrofitted from the conventional activated sludge process to the membrane bioreactor process

Journal Article

Network Planning Multi-objective Optimization Based on Differential Evolution

Li Gaoyang,Wu Yuhua,Liu Mingguang

Journal Article

Managing economic and social profit of cooperative models in three-echelon reverse supply chain for waste

Jian Li, Zhen Wang, Bao Jiang

Journal Article

Research and industrialization of near-net rolling technology used in shaft parts

Zhenghuan HU, Baoyu WANG, Zhenhua ZHENG

Journal Article

Effects of hydraulic retention time on net present value and performance in a membrane bioreactor treating

Dawei Yu, Jianxing Wang, Libin Zheng, Qianwen Sui, Hui Zhong, Meixue Cheng, Yuansong Wei

Journal Article

Special issue: Near-net shaping technology

Dequn LI, Dongming GUO, Qingxue HUANG, Yanchun LOU

Journal Article

Modeling and Analysis of Elevator System Based on Timed-Coloured Petri Net

Zong Qun,Dou Liqian,Cheng Yiju

Journal Article

Determining casting defects in near-net shape casting aluminum parts by computed tomography

Jiehua LI, Bernd OBERDORFER, Daniel HABE, Peter SCHUMACHER

Journal Article

Influence of damages on static behavior of single-layer cable net supported glass curtain wall: full-scale

Gang SHI, Yongjiu SHI, Yuanqing WANG, Yongzhi ZUO, Xiaohao SHI, Zaoyang GUO,

Journal Article

The research of grey clustering decision of assembly sequence based on petri net

Mo Qian,Luo Yi

Journal Article

Edge Detection Based on a Uniform B-Spline With Shape Parameter by Modifying Profit and Loss Data

Zhao Yanli ,Wang Zhan ,Guo Chenghao ,Liu Fengyu

Journal Article

Getting to Net-Zero Emissions

Chris Greig

Journal Article

Hydrogen for a Net-Zero Carbon World

Nigel P Brandon, James J Brandon

Journal Article

AED-Net: An Abnormal Event Detection Network

Tian Wang, Zichen Miao, Yuxin Chen, Yi Zhou, Guangcun Shan, Hichem Snoussi

Journal Article

The Safe and Quick Long-Distance Transmission MethodBased on BP Neural Net for Engineering Graphics Data

Qin Wei,Qin Shuyu

Journal Article