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competitive adsorption 5

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Competitive adsorption and desorption of copper and lead in some soil of North China

Fengjie ZHANG, Xiaoxia OU, Shuo CHEN, Chunqiu RAN, Xie QUAN

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 4,   Pages 484-492 doi: 10.1007/s11783-012-0423-x

Abstract: The competitive adsorption and desorption of Pb(II) and Cu(II) ions in the soil of three sites in NorthThe desorption isotherms of Pb(II) and Cu(II) were similar to the adsorption isotherms, which can bemetal solution containing 1∶1 molar ratio of Pb(II) and Cu(II), the total amount of Pb(II) and Cu(II) adsorptionwas affected by the simultaneous presence of the two metal ions, indicating the existence of adsorption

Keywords： competitive adsorption     desorption     copper     lead     soil    

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Immobilized

Pei MA, Dan ZHANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 4,   Pages 498-508 doi: 10.1007/s11783-012-0429-4

Abstract: To investigate the potential use of ( ) residue for Cd adsorption, poly alcohol Na alginate (PVA) wasIn the presence of Pb concentration varying from 0 to 30 mg·L , the Cd adsorption ratios declined byWhile, with the coexisting ion Cu concentration varied from 0 to 30 mg·L , the Cd adsorption ratiosThe Cd adsorption isotherms in single–metal and dual-metal solutions were analyzed by using LangmuirThe Cd adsorption processes subjected to both adsorbents follow pseudo-second-order model.

Keywords： immobilization     Lentinus edodes residue     competitive adsorption     isotherm    

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Adsorption of sulfonamides on lake sediments

Zhenxing ZHONG, Jian XU, Yuan ZHANG, Lei LI, Changsheng GUO, Yan HE, Wenhong FAN, Beiping ZHANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 4,   Pages 518-525 doi: 10.1007/s11783-013-0500-9

Abstract: In this study, adsorption of four SAs—sulfadiazine (SD), sulfamethoxazole (SMZ), sulfadimethoxine (SDMIn the single-solute adsorption system, the Langmuir model and the dual-mode model described the adsorptionThe order of adsorption capacity approximately followed a decreasing order of SDM>SD>SM2>SMZ on bothIn the multi-solute system, both competitive and cooperative adsorption played important roles in theadsorption of sulfonamides on sediments.

Keywords： sulfonamides     sediments     competitive adsorption     cooperative adsorption    

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Effect of co-existing organic compounds on adsorption of perfluorinated compounds onto carbon nanotubes

Shubo DENG,Yue BEI,Xinyu LU,Ziwen DU,Bin WANG,Yujue WANG,Jun HUANG,Gang YU

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 784-792 doi: 10.1007/s11783-015-0790-1

Abstract: Co-existing organic compounds may affect the adsorption of perfluorinated compounds (PFCs) and carbonAdsorption of perfluorooctane sulfonate (PFOS), perfluorooctane acid (PFOA), perfluorobutane sulfonateThe effect of co-existing organic compounds on PFOS adsorption followed the decreasing order of humicenergy and effective adsorption sites on the three MWCNTs decreased, resulting in the decrease of PFOSadsorption.

Keywords： perfluorinated compounds     carbon nanotubes     competitive adsorption     humic acid     perfluorooctane sulfonate    

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CO, N, and CO/N mixed gas injection for enhanced shale gas recovery and CO geological storage

Frontiers in Energy 2023, Volume 17, Issue 3,   Pages 428-445 doi: 10.1007/s11708-023-0865-9

Abstract: In this work, using fractured shale cores, isothermal adsorption experiments and core flooding testsThe adsorption process of shale to different gases was in agreement with the extended-Langmuir model,and the adsorption capacity of CO2 was the largest, followed by CH4, and thatIn addition, when the CO2 concentration in the mixed gas exceeded 50%, the adsorption capacityof the mixed gas was greater than that of CH4, and had a strong competitive adsorption effect

Keywords： shale gas     gas injection     competitive adsorption     enhanced shale gas recovery     CO2 geological    

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Knowledge-based competitive strategy using direct customer experience for automobile product development

Peter HODGES, Shuh Yuan LIOU,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 33-46 doi: 10.1007/s11465-009-0080-3

Abstract: In this dynamic environment, firms must identify competitive strategies that maintain or increase financialExpertise in integration requires attention to knowledge management, which is crucial for competitivetechnological and legal constraints and concludes that such a system is feasible, can provide a near-term competitive

Keywords： product development     strategy     knowledge management    

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Research on competitive strategy of Chinese manufacturing industry based on industrial value chain

Zhao Wencheng,Zhao Hong

Strategic Study of CAE 2008, Volume 10, Issue 9,   Pages 54-59

Abstract: competitiveness, the study pointed out that the Chinese manufacturing industry should emphasize the competitive

Keywords： value chain of industry     manufacturing industry competitive strategy    

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Optimal production strategy for auto manufacturers with government subsidies in competitive environments

Frontiers of Engineering Management 2024, Volume 11, Issue 2,   Pages 345-355 doi: 10.1007/s42524-023-0261-5

Abstract: Using the Hotelling model and evolutionary game theory, this paper studies the optimal production strategy of duopoly auto manufacturers and explores the impacts of two government policies (manufacturer and consumer subsidies) on strategies related to the production of electric vehicles (EVs) or fuel vehicles (FVs). The study finds that consumers’ environmental preferences have direct effects on manufacturers’ market shares and profits, which in turn, affect the manufacturers’ production strategy selection. Specifically, when consumer environmental preference is sufficiently high, both auto manufacturers will eventually choose to produce EVs; when it is moderate, only one with a cost advantage will choose to produce EVs. Finally, when it is low, neither auto manufacturer will produce EVs. The findings further reveal that the more significant the difference in EV production costs is, the more inclined auto manufacturers are to choose a different final stable strategy. Regardless of whether the government subsidizes manufacturers or consumers, the policy only works if subsidies reach a certain threshold. The study also identifies the conditions under which government subsidies are considered more cost-effective.

Keywords： supply chain management     low-carbon emission     electric vehicle     subsidy     evolutionary game theory    

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Microcystin-LR detection based on indirect competitive enzyme-linked immunosorbent assay

SHENG Jianwu, HE Miao, YU Shaoqing, SHI Hanchang, QIAN Yi

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 3,   Pages 329-333 doi: 10.1007/s11783-007-0056-7

Abstract: In this paper, an indirect competitive enzyme-linked immunosorbent assay (ic-ELISA) was established and

Keywords： o-phenylenediamine     4-arginine     ic-ELISA     substrate     chromatography    

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Feasibility of Scaling up the Cost-Competitive and Clean Electrolytic Hydrogen Supply in China

Guangsheng Pan,Wei Gu,Zhongfan Gu,Jin Lin,Suyang Zhou,Zhi Wu,Shuai Lu,

Engineering doi: 10.1016/j.eng.2024.05.014

Abstract: Scaling up clean hydrogen supply in the near future is critical to achieving China’s hydrogen development target. This study established an electrolytic hydrogen development mechanism considering the generation mix and operation optimization of power systems with access to hydrogen. Based on the incremental cost principle, we quantified the provincial and national clean hydrogen production cost performance levels in 2030. The results indicated that this mechanism could effectively reduce the production cost of clean hydrogen in most provinces, with a national average value of less than 2 USD·kg−1 at the 40-megaton hydrogen supply scale. Provincial cooperation via power transmission lines could further reduce the production cost to 1.72 USD·kg−1. However, performance is affected by the potential distribution of hydrogen demand. From the supply side, competitiveness of the mechanism is limited to clean hydrogen production, while from the demand side, it could help electrolytic hydrogen fulfil a more significant role. This study could provide a solution for the ambitious development of renewables and the hydrogen economy in China.

Keywords： Low-carbon energy system     Electrolytic hydrogen     Renewables     Cost optimization and analysis    

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Nodal, zonal, or uniform electricity pricing: how to deal with network congestion

Martin WEIBELZAHL

Frontiers in Energy 2017, Volume 11, Issue 2,   Pages 210-232 doi: 10.1007/s11708-017-0460-z

Abstract: electricity transportation, production, and consumption in the context of limited transmission networks and competitive

Keywords： nodal pricing     zonal pricing     uniform pricing     competitive electricity markets     welfare maximization     redispatch    

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Research of Gas Qualitative Analysis Using Self-organizing Competitive Network

Tai Huiling,Xie Guangzhong,Jiang Yadong

Strategic Study of CAE 2006, Volume 8, Issue 1,   Pages 81-84

Abstract: system is constructed, which is combined with the pattern recognition techniques of self organizing competitive

Keywords： gas sensor array     self organizing competitive network     qualitative analysis    

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Contributions of adsorption, bioreduction and desorption to uranium immobilization by extracellular polymeric

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1707-z

Abstract:

● EPS immobilizes U(VI) via adsorption, bioreduction and desorption

Keywords： Adsorption     Bioreduction     Desorption     Kinetics     Isotherm     Uranium    

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Polypropylene microplastics alter the cadmium adsorption capacity on different soil solid fractions

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 1,   Pages 3-3 doi: 10.1007/s11783-021-1437-z

Abstract: In this study, batch experiments were performed to investigate the adsorption characteristics of Cd in

Keywords： Polypropylene microplastics     Cadmium     Adsorption     POM     OMC     Mineral    

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Cesium removal from radioactive wastewater by adsorption and membrane technology

Frontiers of Environmental Science & Engineering 2024, Volume 18, Issue 3, doi: 10.1007/s11783-024-1798-1

Abstract:

● Removal of cesium from radioactive wastewater is still a challenging.

Keywords： Cesium     Adsorption     Membrane separation     Advanced liquid processing system     Fukushima nuclear accident    

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Title Author Date Type Operation

Competitive adsorption and desorption of copper and lead in some soil of North China

Fengjie ZHANG, Xiaoxia OU, Shuo CHEN, Chunqiu RAN, Xie QUAN

Journal Article

Immobilized

Pei MA, Dan ZHANG

Journal Article

Adsorption of sulfonamides on lake sediments

Zhenxing ZHONG, Jian XU, Yuan ZHANG, Lei LI, Changsheng GUO, Yan HE, Wenhong FAN, Beiping ZHANG

Journal Article

Effect of co-existing organic compounds on adsorption of perfluorinated compounds onto carbon nanotubes

Shubo DENG,Yue BEI,Xinyu LU,Ziwen DU,Bin WANG,Yujue WANG,Jun HUANG,Gang YU

Journal Article

CO, N, and CO/N mixed gas injection for enhanced shale gas recovery and CO geological storage

Journal Article

Knowledge-based competitive strategy using direct customer experience for automobile product development

Peter HODGES, Shuh Yuan LIOU,

Journal Article

Research on competitive strategy of Chinese manufacturing industry based on industrial value chain

Zhao Wencheng,Zhao Hong

Journal Article

Optimal production strategy for auto manufacturers with government subsidies in competitive environments

Journal Article

Microcystin-LR detection based on indirect competitive enzyme-linked immunosorbent assay

SHENG Jianwu, HE Miao, YU Shaoqing, SHI Hanchang, QIAN Yi

Journal Article

Feasibility of Scaling up the Cost-Competitive and Clean Electrolytic Hydrogen Supply in China

Guangsheng Pan,Wei Gu,Zhongfan Gu,Jin Lin,Suyang Zhou,Zhi Wu,Shuai Lu,

Journal Article

Nodal, zonal, or uniform electricity pricing: how to deal with network congestion

Martin WEIBELZAHL

Journal Article

Research of Gas Qualitative Analysis Using Self-organizing Competitive Network

Tai Huiling,Xie Guangzhong,Jiang Yadong

Journal Article

Contributions of adsorption, bioreduction and desorption to uranium immobilization by extracellular polymeric

Journal Article

Polypropylene microplastics alter the cadmium adsorption capacity on different soil solid fractions

Journal Article

Cesium removal from radioactive wastewater by adsorption and membrane technology

Journal Article