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Improved rate-based modeling of carbon dioxide absorption with aqueous monoethanolamine solution

Stefania MOIOLI, Laura A. PELLEGRINI, Simone GAMBA, Ben LI

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 1,   Pages 123-131 doi: 10.1007/s11705-014-1415-0

Abstract: The aim is to obtain a reliable tool for process simulation: a customized rate-based model has been developedand implemented in the ASPEN Plus software, along with regressed parameters for the Electrolyte-NRTL modelThe model is validated by comparison with experimental data of a pilot plant and can provide simulation

Keywords： Absorption     carbon dioxide capture     rate-based model     monoethanolamine scrubbing    

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Improving Prediction Accuracy of a Rate-Based Model of an MEA-Based Carbon Capture Process for Large-Scale

Xiaobo Luo,Meihong Wang

Engineering 2017, Volume 3, Issue 2,   Pages 232-243 doi: 10.1016/J.ENG.2017.02.001

Abstract: This paper presents a study on developing a more accurate rate-based model in Aspen Plus® for the monoethanolamine (MEA)-based carbon capture process by multistage model validations.model, physical properties calculations, and a process model at the pilot plant scale, covering a wideprocess model has a good agreement with the pilot plant experimental data.Shorter packing height and lower specific duty were achieved using this accurate model.

Keywords： Process modeling     Model validation     Monoethanolamine     Carbon capture     Combined cycle gas turbine power plant    

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Economic Growth Model Based on Six Basic Factors of Production—Xu Growth Rate Equation

Shou-bo Xu,Zong-yuan Huang

Frontiers of Engineering Management 2014, Volume 1, Issue 2,   Pages 160-175 doi: 10.15302/J-FEM-2014024

Abstract: This paper proposes an economic growth model based on the Six Basic Factors of Production and Xu GrowthRate Equation for the first time, which fills-in the deficits of the New Classical Economic Growth Modelbased on the Solow Model.relatively rocketing growth rate; in some years, the factors of production consumption rate was veryhigh, but the economy growth rate slowed down.

Keywords： six basic factors of production     economic growth model     Xu Growth Rate Equation    

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A rate-dependent Prandtl-Ishlinskii model for piezoelectric actuators using the dynamic envelope functionbased play operator

Meiju YANG,Chunxia LI,Guoying GU,Limin ZHU

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 1,   Pages 37-42 doi: 10.1007/s11465-015-0326-1

Abstract:

In this paper, a novel rate-dependent Prandtl-Ishlinskii (P-I) model is proposed to characterize therate-dependent hysteresis nonlinearity of piezoelectric actuators.The new model is based on a modified rate-dependent play operator, in which a dynamic envelope functionThe experimental results show that the developed rate-dependent P-I model precisely characterize therate-dependent hysteresis loops up to 1000 Hz.

Keywords： piezoelectric actuators     hysteresis     Prandtl-Ishlinskii     rate-dependent    

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Modified landfill gas generation rate model of first-order kinetics and two-stage reaction

Jiajun CHEN , Hao WANG , Na ZHANG ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 313-319 doi: 10.1007/s11783-009-0025-4

Abstract: This investigation was carried out to establish a new domestic landfill gas (LFG) generation rate modelThe first-order kinetics and two-stage reaction (FKTSR) model of the LFG generation rate includes mechanismsThe model calibration was then calculated by using the experimental data.The results suggested that the new model was in line with the experimental data.rate constant in the first stage (), and the reaction rate constant in the second stage () of 64.746&

Keywords： landfill gas (LFG)     generation rate model     first-order kinetics     two-stage reaction     outflow function    

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The combined effects of biomass and temperature on maximum specific ammonia oxidation rate in domestic

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1411-9

Abstract:

• Actual SAORs was determined using MLVSS and temperature.

Keywords： Specific ammonia oxidation rate     Sequencing batch reactor     Biomass     Temperature coefficient     Model simulation    

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Modification of the activated sludge model for chemical dosage

Shuai MA,Siyu ZENG,Xin DONG,Jining CHEN,Gustaf OLSSON

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 694-701 doi: 10.1007/s11783-014-0732-3

Abstract: Full-scale experiments have been carried out to adapt the activated sludge model ASM2d to include theCorresponding parameters in the ASM2d and the secondary settler models, included in the Benchmark Simulation ModelBased on the effluent limits and penalty policy of China, an equivalent evaluation method was derivedthat 1) both in low and high mole concentrations, Fe addition results in a higher phosphorus removal ratethan Al ; 2) the sludge settling velocity will increase due to the metal addition; 3) the respiration rate

Keywords： chemical precipitation     benchmark simulation model     phosphorus removal     respiratory rate     sludge settling     activated sludge model    

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Amodified variable rate particle filter for maneuvering target tracking

Yun-fei GUO,Kong-shuai FAN,Dong-liang PENG,Ji-an LUO,Han SHENTU

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 11,   Pages 985-994 doi: 10.1631/FITEE.1500149

Abstract: target trajectory has prolonged smooth regions and abrupt maneuvering regions, a modified variable rateFirst, a Cartesian-coordinate based variable rate model is presented.Compared with conventional variable rate models, the proposed model does not need any prior knowledge

Keywords： Maneuvering target tracking     Prolonged smooth regions     Variable rate model     Maneuver detection    

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Short-term prediction of influent flow rate and ammonia concentration in municipal wastewater treatment

Shuai MA, Siyu ZENG, Xin DONG, Jining CHEN, Gustaf OLSSON

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 1,   Pages 128-136 doi: 10.1007/s11783-013-0598-9

Abstract: reconstruction; 2) typical cycle identification using power spectrum density analysis; 3) fitting and prediction modelestablishment based on an autoregressive model.Considering the influence of the rainfalls, a linear fitting model is derived to estimate the relationshipbetween flow rate trend and rain events.Measurements used to support coefficient fitting and model testing are acquired from two municipal wastewater

Keywords： influent load prediction     wavelet de-noising     power spectrum density     autoregressive model     time-frequency    

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Correlated channelmodel-based securecommunications in dual-hopwireless communication networks Article

Zhen-hua YUAN, Chen CHEN, Xiang CHENG, Guo-cheng LV, Liu-qing YANG, Ye JIN

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 6,   Pages 796-807 doi: 10.1631/FITEE.1700023

Abstract: This article is focused on secure relay beamformer design with a correlated channel model in the relay-eavesdropperTwo beamformers at the relay are studied for the approximate ergodic secrecy rate: (1) the generalizedmatch-andforward (GMF) beamformer to maximize the legitimate channel rate, and (2) the general-rankiteratively optimal beamformer, and that the performance of the LBM beamformer for the ergodic secrecy rategets close to that of the GRBF for the approximate secrecy rate.

Keywords： Physical layer security     Relay beamforming     Correlated channels     Ergodic secrecy rate    

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Study on Landfill Biogas Generation Model

Huang Wenxiong,Peng Xuya,Yan Li

Strategic Study of CAE 2006, Volume 8, Issue 9,   Pages 74-79

Abstract:

Recovery and utilization of landfill biogas can not only reduce greenhouse effect but recover energy. This article presents the principle and process of landfill biogas generation, and classifies reported models on biogas generation from landfills. Systematic summary and analysis of methodologies, advantages, disadvantages and application conditions, which will provide credible methods for biogas recovery, are put forward also.

Keywords： landfill gas     model     generation rate     gas production     methane    

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Study on Big Data-based Behavior Modification in Metro Construction

Lie-yun Ding,Sheng-yu Guo

Frontiers of Engineering Management 2015, Volume 2, Issue 2,   Pages 131-136 doi: 10.15302/J-FEM-2015037

Abstract: Behavior-based safety (BBS) is an effective method to modify workers’ unsafe behavior.First, the behavior modification pushing mechanism based on content-based personalized recommendationThirdly, BMSMC practical applications using the unsafe behavior rate, as a measuring indicator is implementedObservations at one metro construction site in Wuhan indicate that the unsafe behavior rate of modifiedthe same time, as of unmodified scaffolders at another work place for comparison, the unsafe behavior rate

Keywords： big data     unsafe behavior     behavior modification     behavior-based safety (BBS)     unsafe behavior rate    

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Real-time tool condition monitoring method based on temperature measurement and artificial neural network

Frontiers of Mechanical Engineering doi: 10.1007/s11465-021-0661-3

Abstract: A learning rate adaption algorithm is introduced, greatly reducing the dependence on initial parameters

Keywords： tool condition monitoring     cutting temperature     neural network     learning rate adaption    

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Applicability of the Arrhenius model for Ammonia Oxidizing Bacteria subjected to temperature time gradients

Alberto MANNUCCI,Giulio MUNZ,Gualtiero MORI,Claudio LUBELLO,Jan A. OLESZKIEWICZ

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 6,   Pages 988-994 doi: 10.1007/s11783-014-0751-0

Abstract: differential titrimetric technique was used to continuously monitor the maximum biologic ammonia oxidation rateThe monitoring technique is based on the measurement of alkalinity and hydrogen peroxide consumptiondependence of growth kinetics on temperature time gradients and the range of applicability of Arrhenius modelThe Arrhenius model was found to be accurate only with temperature gradients lower than 2°C·h .estimated Arrhenius coefficients ( ) were shown to increase from 1.07 to 1.6 when the temperature decrease rate

Keywords： nitrification rate     temperature effect     continuous titrimetric tests     time-gradient temperature variations    

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Inhibitive effects of three compositae plants on

Weihao ZHANG, Fuqing XU, Wei HE, Xing ZHENG, Chen YANG

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 1,   Pages 48-55 doi: 10.1007/s11783-008-0065-1

Abstract: Based on common phenomena of biochemical interaction between plants and microorganisms, the inhibitiveThe inhibition rate is 93.3% (with initial inoculation dose of 2.0 × 10 Cells/mL) and 89.3% (with initialThe average inhibition rate during the later half of the experiment is 0.76 (with initial inoculationLogistic model analysis shows that compositae plants such as DC. causes the reduction of the habitat'smodel is used to evaluate the inhibition effects.

Keywords： allelopathy     compositae plants     Microcystis aeruginosa     inhibition rate     logistic model    

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Title Author Date Type Operation

Improved rate-based modeling of carbon dioxide absorption with aqueous monoethanolamine solution

Stefania MOIOLI, Laura A. PELLEGRINI, Simone GAMBA, Ben LI

Journal Article

Improving Prediction Accuracy of a Rate-Based Model of an MEA-Based Carbon Capture Process for Large-Scale

Xiaobo Luo,Meihong Wang

Journal Article

Economic Growth Model Based on Six Basic Factors of Production—Xu Growth Rate Equation

Shou-bo Xu,Zong-yuan Huang

Journal Article

A rate-dependent Prandtl-Ishlinskii model for piezoelectric actuators using the dynamic envelope functionbased play operator

Meiju YANG,Chunxia LI,Guoying GU,Limin ZHU

Journal Article

Modified landfill gas generation rate model of first-order kinetics and two-stage reaction

Jiajun CHEN , Hao WANG , Na ZHANG ,

Journal Article

The combined effects of biomass and temperature on maximum specific ammonia oxidation rate in domestic

Journal Article

Modification of the activated sludge model for chemical dosage

Shuai MA,Siyu ZENG,Xin DONG,Jining CHEN,Gustaf OLSSON

Journal Article

Amodified variable rate particle filter for maneuvering target tracking

Yun-fei GUO,Kong-shuai FAN,Dong-liang PENG,Ji-an LUO,Han SHENTU

Journal Article

Short-term prediction of influent flow rate and ammonia concentration in municipal wastewater treatment

Shuai MA, Siyu ZENG, Xin DONG, Jining CHEN, Gustaf OLSSON

Journal Article

Correlated channelmodel-based securecommunications in dual-hopwireless communication networks

Zhen-hua YUAN, Chen CHEN, Xiang CHENG, Guo-cheng LV, Liu-qing YANG, Ye JIN

Journal Article

Study on Landfill Biogas Generation Model

Huang Wenxiong,Peng Xuya,Yan Li

Journal Article

Study on Big Data-based Behavior Modification in Metro Construction

Lie-yun Ding,Sheng-yu Guo

Journal Article

Real-time tool condition monitoring method based on temperature measurement and artificial neural network

Journal Article

Applicability of the Arrhenius model for Ammonia Oxidizing Bacteria subjected to temperature time gradients

Alberto MANNUCCI,Giulio MUNZ,Gualtiero MORI,Claudio LUBELLO,Jan A. OLESZKIEWICZ

Journal Article

Inhibitive effects of three compositae plants on

Weihao ZHANG, Fuqing XU, Wei HE, Xing ZHENG, Chen YANG

Journal Article