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The algorithm and realization of linear feature automatic label placement

Yin Yong,Li Chengming,Ding Shengtao

Strategic Study of CAE 2013, Volume 15, Issue 5,   Pages 30-36

Abstract: using reference annotation line and to achieve dynamic segmentation of reference annotation line using reverseDouglas algorithm, using the segmentation result to choose smooth parts of linear elements as candidatecandidate position and score for every letter, then resolve the conflicts between annotations using taboo algorithm

Keywords： linear elements     automatic annotation configuration     reference line     reverse Douglas algorithm    

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Winner determination problem with loss-averse buyers in reverse auctions

Xiaohu QIAN, Min HUANG, Yangyang YU, Xingwei WANG

Frontiers of Engineering Management 2017, Volume 4, Issue 2,   Pages 212-220 doi: 10.15302/J-FEM-2017019

Abstract: Reverse auctions have been widely adopted for purchasing goods and services.This paper considers a novel winner determination problem in a multiple-object reverse auction in whichNumerical experiments are conducted to illustrate the effectiveness of the proposed model and algorithmWe find that under the loaded route strategy, the improved ant colony algorithm performs better thanthe basic ant colony algorithm.

Keywords： reverse auction     loss aversion     winner determination     improved ant colony algorithm    

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An adaptive policy-based framework for China’s Carbon Capture and Storage development

Xiaoliang YANG, Wolfgang HEIDUG, Douglas COOKE

Frontiers of Engineering Management 2019, Volume 6, Issue 1,   Pages 78-86 doi: 10.1007/s42524-019-0003-x

Abstract:

China’s political leadership has taken an increasingly public and proactive stance on climate change since 2014. This stance includes making a commitment that Chinese carbon dioxide (CO2) emissions will peak around 2030 and enacting measures through the 13th Five-Year Plan to support energy efficiency, clean energy technology, and carbon management. Chinese policymakers consider carbon capture and storage (CCS) a critical bridging technology to help accelerate the decarbonization of its economy. This paper reviews and analyzes Chinese CCS support policies from the perspective of an adaptive policymaking framework, recognizing uncertainty as an inherent element of the policymaking process and drawing general lessons for responding to changing circumstances. Notably, the political support for CCS in China remains fragmented with uncoordinated government leadership, undecided industry players, and even with opposing voices from some leading scientists. There is scope for expanding the framework to provide more granularity, in particular relating to the development of a CCS infrastructure and the development of storage-focused CO2-EOR. Overall, given the role CCS can play to decarbonize China’s power and other industrial sectors, a commitment to CCS from top policymakers and major stakeholders is needed.

Keywords： CCS     policy     climate change     China    

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Highly hydrophobic oil−water separation membrane: reutilization of waste reverse osmosis membrane

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1606-1615 doi: 10.1007/s11705-022-2200-0

Abstract: increasing applications of seawater desalination technology have led to the wide usage of polyamide reverseosmosis membranes, resulting in a large number of wasted reverse osmosis membranes.In this work, the base nonwoven layer of the wasted reverse osmosis membrane was successfully modifiedThis work might provide a new avenue for recycling the wasted reverse osmosis membrane used in oily wastewater

Keywords： oil–water separation     wasted reverse osmosis membrane     hydrophobic modification    

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Centrifuge experiments for shallow tunnels at active reverse fault intersection

Mehdi SABAGH, Abbas GHALANDARZADEH

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 731-745 doi: 10.1007/s11709-020-0614-7

Abstract: Dip-slip surface faulting in reverse mechanism of 60-degree is modeled by a fault simulator box in aAccording to the observations, the modeled tunnels are vulnerable to reverse fault rupture and but the

Keywords： reverse fault rupture     continuous tunnel     geotechnical centrifuge     ground surface deformations     fragility    

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Self-healing polyamide reverse osmosis membranes with temperature-responsive intelligent nanocontainers

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1183-1195 doi: 10.1007/s11705-022-2287-3

Abstract: Improving the performance of reverse osmosis membranes remains great challenge to ensure excellent NaClnanocontainer has great potential as membrane-doping material for the targeted repair of polyamide reverse

Keywords： reverse osmosis     nanocontainer     self-healing     chlorine resistance     water permeability    

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Erratum to: On secondary new particle formation in China

Veli-Matti KERMINEN,Joni KUJANSUU,Taina RUUSKANEN,Aijun DING,Wei NIE,Min HU,Zhibin WANG,Zhijun WU,Lin WANG,Douglas

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 5, doi: 10.1007/s11783-016-0857-7

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Mechanism of ethanol/water reverse separation through a functional graphene membrane: a molecular simulation

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3,   Pages 347-357 doi: 10.1007/s11705-022-2246-z

Abstract: Reverse-selective membranes have attracted considerable interest for bioethanol production.However, to date, the reverse-separation performance of ethanol/water is poor and the separation mechanismPristine graphene (PG) exhibits reverse-selective behavior with higher ethanol fluxes than water, resultingThis study provides new insights into the reverse-selective mechanism of porous graphene membranes and

Keywords： reverse separation     graphene membrane     ethanol/water separation     molecular simulation    

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Construction engineering management culture shift: Is the lowest tender offer dead?

Eric SCHEEPBOUWER, Douglas D. GRANSBERG, Carla Lopez del PUERTO

Frontiers of Engineering Management 2017, Volume 4, Issue 1,   Pages 49-57 doi: 10.15302/J-FEM-2017014

Abstract: The procurement of public construction projects must walk a fine line between the corruption of state officials and collusion of contractors. The method of awarding projects to the lowest responsible tenderer was originally implemented to guard against corruption of state officials. However, an investigation of the construction industry in the Canadian province of Quebec showed that lowest-tender-offer procurement gave rise to collusion of companies tendering for the contracts. Alternatively, best-value procurement has been used for decades, but here problems arise owing to the necessity of subjective judging of measures other than price to compare bids, giving rise to time- and money-consuming protests. The paper proposes a compelling argument that the construction engineering management (CEM) culture should refocus its efforts on enhancing project cost certainty rather than merely searching for means to design a project in a manner that produces the lowest initial cost, and awards the construction to the lowest tender offer that focuses on cost savings during the project development and delivery process. The difference in the two approaches is subtle but extremely important. To make the transition, the engineering management tools must be advanced to the next level. This means that all project control tools for managing cost, schedule, and technical scope must be transformed from working in the deterministic mode to the stochastic mode, thus making the probability of completing the project within or below its official budget the primary decision criterion. To do so, CEMs must accept that there is a benefit in paying more for an alternative that increases cost certainty for the entire project. The authors of this paper hope that it will provide the grist for a more general dialog across all industry sectors where engineering management is practiced.

Keywords： cost certainty     lowest responsible bid     best value     public procurement     construction engineering management culture    

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Tracing the impact of stack configuration on interface resistances in reverse electrodialysis by in situ

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-021-1480-9

Abstract:

• RED performance and stack resistance were studied by EIS and LSV.

Keywords： Reverse electrodialysis     Electrochemical impedance spectroscopy     Concentration polarization     Spacer shadow    

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Preparation of reverse osmosis membrane with high permselectivity and anti-biofouling properties for

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1497-0

Abstract:

• Nanoparticle incorporation and anti-biofouling grafting were integrated.

Keywords： Anti-biofouling grafting     Nanoparticle incorporation     Sterilization rates     Water flux     Water flux recovery    

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Efficient production of hydrogen peroxide in microbial reverse-electrodialysis cells coupled with thermolytic

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1708-y

Abstract:

● Appreciable H2O2 production rate was achieved in MRCs utilizing NH4HCO3 solutions.

Keywords： Microbial reverse-electrodialysis cell     Hydrogen peroxide production     Ammonium bicarbonate     Electrolysis    

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Surface-tailoring chlorine resistant materials and strategies for polyamide thin film composite reverse

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 5,   Pages 564-591 doi: 10.1007/s11705-021-2109-z

Abstract: Polyamide thin film composite membranes have dominated current reverse osmosis market on account of their

Keywords： reverse osmosis     polyamide     thin film composite membranes     chlorine resistance     surface modification    

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On secondary new particle formation in China

Veli-Matti Kerminen,Joni Kujansuu,Taina Ruuskanen,Aijun Ding,Wei Nie,Min Hu,Zhibin Wang,Zhijun Wu,Lin Wang,Douglas

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 5, doi: 10.1007/s11783-016-0850-1

Abstract: Formation of new atmospheric aerosol particles is a global phenomenon that has been observed to take place in even heavily-polluted environments. In China, new particle production has been observed at very high pollution levels (condensation sink about 0.1s ) in several megacities. A holistic scientific understanding on the atmospheric phenomena associated with air quality as a whole, as well as on the connection between air quality and climate, is lacking at the moment.With a network of observation stations, we will be able to understand the interactions and feedbacks associated with the urban pollution mixture, and ultimately, are ready to make targeted strategies for the pollution control. This paper summaries the recent advances in studying secondary new aerosol formation in China and shows how increased process-level understanding will help us to understand air quality-climate-weather interactions and how the feedbacks and interactions affect the air quality in highly-polluted environments such as those frequently encountered in Chinese megacities. Formation of new atmospheric aerosol particles is a global phenomenon that has been observed to take place in even heavily-polluted environments. However, in all environments there appears to be a threshold value of the condensation sink (due to pre-existing aerosol particles) after which the formation rate of 3 nm particles is no longer detected. In China, new particle production has been observed at very high pollution levels (condensation sink about 0.1 s ) in several megacities, including Beijing, Shanghai and Nanjing as well as in Pearl River Delta (PRD). Here we summarize the recent findings obtained from these studies and discuss the various implications these findings will have on future research and policy.

Keywords： Aerosol particles     Heavily-polluted environments     Condensation sink     New particle production     Megacities    

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Performance of landfill leachate treatment system with disc-tube reverse osmosis units

WANG Baozhen, LIU Shuo, LIU Yanping, LI Xiujin

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 1,   Pages 24-31 doi: 10.1007/s11783-008-0024-x

Abstract: Reverse osmosis system with the disc-tube module (DT-RO) was applied to treat landfill leachate on full

Keywords： chemical cleaning     product     organic     nitrogen     Effective    

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Title Author Date Type Operation

The algorithm and realization of linear feature automatic label placement

Yin Yong,Li Chengming,Ding Shengtao

Journal Article

Winner determination problem with loss-averse buyers in reverse auctions

Xiaohu QIAN, Min HUANG, Yangyang YU, Xingwei WANG

Journal Article

An adaptive policy-based framework for China’s Carbon Capture and Storage development

Xiaoliang YANG, Wolfgang HEIDUG, Douglas COOKE

Journal Article

Highly hydrophobic oil−water separation membrane: reutilization of waste reverse osmosis membrane

Journal Article

Centrifuge experiments for shallow tunnels at active reverse fault intersection

Mehdi SABAGH, Abbas GHALANDARZADEH

Journal Article

Self-healing polyamide reverse osmosis membranes with temperature-responsive intelligent nanocontainers

Journal Article

Erratum to: On secondary new particle formation in China

Veli-Matti KERMINEN,Joni KUJANSUU,Taina RUUSKANEN,Aijun DING,Wei NIE,Min HU,Zhibin WANG,Zhijun WU,Lin WANG,Douglas

Journal Article

Mechanism of ethanol/water reverse separation through a functional graphene membrane: a molecular simulation

Journal Article

Construction engineering management culture shift: Is the lowest tender offer dead?

Eric SCHEEPBOUWER, Douglas D. GRANSBERG, Carla Lopez del PUERTO

Journal Article

Tracing the impact of stack configuration on interface resistances in reverse electrodialysis by in situ

Journal Article

Preparation of reverse osmosis membrane with high permselectivity and anti-biofouling properties for

Journal Article

Efficient production of hydrogen peroxide in microbial reverse-electrodialysis cells coupled with thermolytic

Journal Article

Surface-tailoring chlorine resistant materials and strategies for polyamide thin film composite reverse

Journal Article

On secondary new particle formation in China

Veli-Matti Kerminen,Joni Kujansuu,Taina Ruuskanen,Aijun Ding,Wei Nie,Min Hu,Zhibin Wang,Zhijun Wu,Lin Wang,Douglas

Journal Article

Performance of landfill leachate treatment system with disc-tube reverse osmosis units

WANG Baozhen, LIU Shuo, LIU Yanping, LI Xiujin

Journal Article