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Molecular size characterization of heavy oil fractions in vacuum and solution by molecular dynamic simulation

Wenpo REN, Honggang CHEN, Chaohe YANG, Honghong SHAN,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 250-256 doi: 10.1007/s11705-009-0281-7

Abstract: conformations of polycyclic aromatic and heavy resin in vacuum and toluene solution were obtained by molecular dynamic

Keywords： dynamic simulation     molecular dynamic     behavior     molecule     Adsorption Chromatography    

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Resource Management and Scheduling for Satellite Internet

Wang Longhe , Zhou Yiqing , Cao Huan , Liu Zifan , Chen Yan , Chen Daojin , Shi Jinglin

Strategic Study of CAE 2023, Volume 25, Issue 6,   Pages 27-38 doi: 10.15302/J-SSCAE-2023.06.004

Abstract: Developing satellite Internet is of great strategic significance, and corresponding research on its resource Moreover, it designs a technical route for satellite Internet resource management, including theand scheduling, and constructs a key technical system involving high spatio-temporal dynamic resourcecharacterization, multi-dimensional resource time-continuum deterministic analysis, multi-dimensionalheterogeneity, dynamic change of network structure, and differentiated service requirements, implement

Keywords： satellite Internet     resource management and scheduling     space ‒ air ‒ ground integrated network     dynamicresource characterization     intelligent planning and decision-making    

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Resource utilization of typical biomass wastes as biochars in removing plasticizer diethyl phthalatefrom water: characterization and adsorption mechanisms

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 1, doi: 10.1007/s11783-023-1605-4

Abstract:

● Six largely produced agricultural biomass wastes were pyrolyzed into biochars.

Keywords： Plastic pollution     Phthalic acid esters     Designed biochar     Wetland plant     Adsorption    

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Dynamic simulation based optimized design method of concrete production system for RCC dam

ZHAO Chunju, ZHOU Yihong

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 4,   Pages 405-410 doi: 10.1007/s11709-007-0055-6

Abstract: according to a series of connected procedures which are highly impacted and interacted consisting with the resourceTherefore, a dynamic simulation mode

Keywords： interacted     dynamic simulation     construction     resource     RCC    

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The Characterization System of the Ballistic Performance of Armor Magnesium Alloys

Cai Hongnian,Tan Chengwen,Wang Fuchi,Chen Zhiyong

Strategic Study of CAE 2006, Volume 8, Issue 2,   Pages 30-33

Abstract: Then the basic science problem connected with materials' ballistic performance closely such as dynamicstrength, absorbed energy rate, adiabatic shear deformation localization and dynamic hardness are discussed

Keywords： absorbed energy rate     adiabatic shear deformation localization     dynamic strength     dynamic hardness    

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A many-objective evolutionary algorithm based on decomposition with dynamic resource allocation for irregular Research Articles

Ming-gang Dong, Bao Liu, Chao Jing,jingchao@glut.edu.cn

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 8,   Pages 1119-1266 doi: 10.1631/FITEE.1900321

Abstract: The multi-objective optimization problem has been encountered in numerous fields such as high-speed train head shape design, overlapping community detection, power dispatch, and unmanned aerial vehicle formation. To address such issues, current approaches focus mainly on problems with regular Pareto front rather than solving the . Considering this situation, we propose a many-objective evolutionary algorithm based on decomposition with (MaOEA/D-DRA) for irregular optimization. The proposed algorithm can dynamically allocate computing resources to different search areas according to different shapes of the problem’s Pareto front. An evolutionary population and an are used in the search process, and information extracted from the is used to guide the evolutionary population to different search regions. The evolutionary population evolves with the to decompose a problem into several subproblems, and all the subproblems are optimized in a collaborative manner. The is updated with the method of . The proposed algorithm is compared with five state-of-the-art many-objective evolutionary algorithms using a variety of test problems with . Experimental results show that the proposed algorithm outperforms these five algorithms with respect to convergence speed and diversity of population members. By comparison with the weighted-sum approach and penalty-based boundary intersection approach, there is an improvement in performance after integration of the into the proposed algorithm.

Keywords： Many-objective optimization problems     Irregular Pareto front     External archive     Dynamic resource allocation    

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Design and simulation of a cable-pulley-based transmission for artificial ankle joints

Huaxin LIU,Marco CECCARELLI,Qiang HUANG

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 2,   Pages 170-183 doi: 10.1007/s11465-016-0383-0

Abstract: A multi-body dynamic simulation model is elaborated accordingly and evaluated numerically in the ADAMSResults of the numerical simulations are discussed to evaluate the dynamic performance of the proposed

Keywords： biomimetic designs     ankle joints     cable-pulley transmissions     multi-body dynamic simulation     numerical characterization    

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Mechanism and characterization of microplastic aging process: A review

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1700-6

Abstract:

● Methods for estimating the aging of environmental micro-plastics were highlighted.

Keywords： Microplastics     Aging     Degradation     Characterization     Mechanism    

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Use of float consumption rate in resource leveling of construction projects

Atilla DAMCI, Gul POLAT, Firat Dogu AKIN, Harun TURKOGLU

Frontiers of Engineering Management 2022, Volume 9, Issue 1,   Pages 135-147 doi: 10.1007/s42524-020-0118-0

Abstract: Inefficiency in managing resources may bring about severe delays and cost overruns caused by resourceResource leveling is one of the approaches that are used for the management of resources.It aims to minimize fluctuations, peaks, and valleys in resource utilization without changing the completionAlthough the main principle behind traditional resource leveling is achieving an even flow of resourcesThe model is demonstrated by constructing a network and its resource utilization histograms.

Keywords： resource management     resource leveling     float consumption rate     scheduling    

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An experimental characterization of human torso motion

Daniele CAFOLLA,I-Ming CHEN,Marco CECCARELLI

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 311-325 doi: 10.1007/s11465-015-0352-z

Abstract:

The torso plays an important role in the human-like operation of humanoids. In this paper, a method is proposed to analyze the behavior of the human torso by using inertial and magnetic sensing tools. Experiments are conducted to characterize the motion performance of the human torso during daily routine operations. Furthermore, the forces acting on the human body during these operations are evaluated to design and validate the performance of a humanoid robot.

Keywords： experimental biomechanics     human torso     analysis     inertial sensor     characterization    

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Synthesis and characterization of norfloxacin biomonomer

Shengxiong DONG, Qiaoping CHEN, Hongfang XIE, Jianhua HUANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1,   Pages 55-59 doi: 10.1007/s11705-010-0537-2

Abstract: A novel drug agent named norfloxacin biomonomer was developed in order to solve the problem of low drug content, uneven drug distribution, low molecular weight, and wide molecular weight distribution of polymer drug, based on polyurethane, which was used as an antibacterial agent to control the bacterial infection associated with biofilm formation on polymeric materials used in biologic environments. In this research, norfloxacin biomonomer was synthesized by esterifying the compound of norfloxacin. High-performance liquid chromatography system was used to analyze the purity of the final product and intermediate products, and Fourier transform infrared spectrometer and mass spectrum were used to verify the final product and intermediate products. The results showed that the objective product was developed successfully. The final product of norfloxacin biomonomer could be incorporated into the polyurethane as chain extender.

Keywords： norfloxacin     biomonomer     synthesis     characterization    

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Microplastic and Nanoplastic Pollution: Characterization, Transport, Fate, and Remediation Strategies

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 1,   Pages 12-12 doi: 10.1007/s11783-021-1446-y

Abstract: Plastics continues to have a critical and essential role in human society such as food packing, product packages and building materials. In the meantime, it has been recognized as a global sustainability priority to study and mitigate pollution of plastics and the associated unknown impacts from ultrafine plastic particles. Microplastic (<5 mm) particles, for instance, have been detected in the aquatic environment globally and have raised scientific interests and environmental concerns. Microplastics (MPs) can enter rivers through a variety of pathways (e.g., wastewater effluent, breakdown of plastic debris) and can negatively impact aquatic organisms through both direct injection with food and indirect contamination from absorbed toxins. MPs can absorb heavy metals, pathogens, and organic contaminants, mainly persistent organic pollutants (POPs) that can be ingested by organisms and introduced into the food web. Meanwhile, MPs may also release potentially toxic substances (e.g., plasticizers, flame retardants and antimicrobial agents) during weathering and degradation. An increasing number of papers are being published during the last years related to the effects of MPs as well as with synergistic effects when associated with MPs and their byproducts such as nanometer sized plastics or nanoplastics. This special issue successfully garnered a collection of research articles that addressed various topics of microplastic or nanoplastic pollution, characteristic, and environmental fate in the water environment. Particularly, this issue reported the seasonable occurrence and distribution of microplastics in different regions (e.g., China and India) from high-latitude nature reserve to sediments and coastal marine environments. Moreover, new sampling and analytical methodologies (e.g., fluorescent labeling) to identify MPs in diver matrixes (e.g., wastewater, sediment, and biota) are critically reviewed. The information is critical for scientists, business leaders, legislators, and the public are to explore and develop solutions that lessen society’s plastic footprint. We thank all authors, reviewers, and editorial staff of FESE for their efforts and contributions to this special issue. Guest Editors: Wen Zhang Department of Civil and Environmental Engineering, New Jersey Institute of Technology (wen.zhang@njit.edu) Melissa Pasquinelli College of Natural Resources, North Carolina State University (melissa_pasquinelli@ncsu.edu) Yang Li School of the Environment Beijing Normal University (liyang_bnu@bnu.edu.cn)
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Comprehensive kinetostatic modeling and morphology characterization of cable-driven continuum robots

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0756-0

Abstract: In this study, a general kinetostatic modeling and morphology characterization methodology that comprehensivelyconsidered to deduce a comprehensive kinetostatic model enabled with the capacity of accurate morphology characterization

Keywords： kinetostatic modeling     morphology characterization     variable friction     continuum robots     in-situ   

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Preparation and characterization of ZnO/ZnS hybrid photocatalysts via microwave-hydrothermal method

ZHAO Jinglian, WANG Xinping, ZHAO Liang

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 4,   Pages 415-420 doi: 10.1007/s11783-008-0056-2

Abstract: Preparation and characterization of nanosized ZnO/ZnS hybrid photocatalysts were studied in this paper

Keywords： large-scale     hexagonal     misdistribution     characterization     nanocomposite    

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Dynamic user-centric multi-dimensional resource allocation for a wide-area coverage signaling cell based Research Article

Zhou TONG, Na LI, Huimin ZHANG, Quan ZHAO, Yun ZHAO, Junshuai SUN, Guangyi LIU,tongzhou@chinamobile.com,linawx@chinamobile.com,zhanghuiminyjy@chinamobile.com

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 1,   Pages 154-163 doi: 10.1631/FITEE.2200220

Abstract: radio access networks, and has the advantages of reducing network energy consumption and improving resourcethe ultimate performance requirements of users, and its effect will affect the efficiency of network resourceThis paper constructs a user-centric dynamic allocation model of wireless resources, and proposes a deepQ-network based dynamic resource allocation algorithm.The algorithm can realize dynamic and flexible admission control and in s according to the data rate

Keywords： 6G     Wide-area coverage signaling cell     Multi-dimensional resource allocation     Deep Q-network (DQN)    

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Title Author Date Type Operation

Molecular size characterization of heavy oil fractions in vacuum and solution by molecular dynamic simulation

Wenpo REN, Honggang CHEN, Chaohe YANG, Honghong SHAN,

Journal Article

Resource Management and Scheduling for Satellite Internet

Wang Longhe , Zhou Yiqing , Cao Huan , Liu Zifan , Chen Yan , Chen Daojin , Shi Jinglin

Journal Article

Resource utilization of typical biomass wastes as biochars in removing plasticizer diethyl phthalatefrom water: characterization and adsorption mechanisms

Journal Article

Dynamic simulation based optimized design method of concrete production system for RCC dam

ZHAO Chunju, ZHOU Yihong

Journal Article

The Characterization System of the Ballistic Performance of Armor Magnesium Alloys

Cai Hongnian,Tan Chengwen,Wang Fuchi,Chen Zhiyong

Journal Article

A many-objective evolutionary algorithm based on decomposition with dynamic resource allocation for irregular

Ming-gang Dong, Bao Liu, Chao Jing,jingchao@glut.edu.cn

Journal Article

Design and simulation of a cable-pulley-based transmission for artificial ankle joints

Huaxin LIU,Marco CECCARELLI,Qiang HUANG

Journal Article

Mechanism and characterization of microplastic aging process: A review

Journal Article

Use of float consumption rate in resource leveling of construction projects

Atilla DAMCI, Gul POLAT, Firat Dogu AKIN, Harun TURKOGLU

Journal Article

An experimental characterization of human torso motion

Daniele CAFOLLA,I-Ming CHEN,Marco CECCARELLI

Journal Article

Synthesis and characterization of norfloxacin biomonomer

Shengxiong DONG, Qiaoping CHEN, Hongfang XIE, Jianhua HUANG

Journal Article

Microplastic and Nanoplastic Pollution: Characterization, Transport, Fate, and Remediation Strategies

Journal Article

Comprehensive kinetostatic modeling and morphology characterization of cable-driven continuum robots

Journal Article

Preparation and characterization of ZnO/ZnS hybrid photocatalysts via microwave-hydrothermal method

ZHAO Jinglian, WANG Xinping, ZHAO Liang

Journal Article

Dynamic user-centric multi-dimensional resource allocation for a wide-area coverage signaling cell based

Zhou TONG, Na LI, Huimin ZHANG, Quan ZHAO, Yun ZHAO, Junshuai SUN, Guangyi LIU,tongzhou@chinamobile.com,linawx@chinamobile.com,zhanghuiminyjy@chinamobile.com

Journal Article