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Vibration-based hypervelocity impact identification and localization Research Article

Jiao BAO, Lifu LIU, Jiuwen CAO,jwcao@hdu.edu.cn

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 4,   Pages 515-529 doi: 10.1631/FITEE.2000483

Abstract: Hypervelocity impact (HVI) vibration source identification and localization have found wide applications in many fields, such as manned spacecraft protection and machine tool collision damage detection and localization. In this paper, we study the synchrosqueezed transform (SST) algorithm and the texture color distribution (TCD) based HVI source identification and localization using impact images. The extracted SST and TCD image features are fused for HVI image representation. To achieve more accurate detection and localization, the optimal selective stitching features OSSST+TCD are obtained by correlating and evaluating the similarity between the sample label and each dimension of the features. Popular conventional classification and regression models are merged by voting and stacking to achieve the final detection and localization. To demonstrate the effectiveness of the proposed algorithm, the HVI data recorded from three kinds of high-speed bullet striking on an aluminum alloy plate is used for experimentation. The experimental results show that the proposed HVI identification and localization algorithm is more accurate than other algorithms. Finally, based on sensor distribution, an accurate four-circle centroid localization algorithm is developed for HVI source coordinate localization.

Keywords: Ensemble learning     Synchrosqueezied transform     Gray-level co-occurrence matrix     Image entropy     Distance    

Differences in distributions, assembly mechanisms, and putative interactions of AOB and NOB at a large spatial scale

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 10, doi: 10.1007/s11783-023-1722-0

Abstract:

● Nitrifiers in WWTP were investigated at large spatial scale.

Keywords: Activated sludge     Spatial distributions     Microbial assembly     Co-occurrence patterns     Nitrifying bacteria    

A social tag clustering method based on common co-occurrence group similarity

Hui-zong LI,Xue-gang HU,Yao-jin LIN,Wei HE,Jian-han PAN

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 2,   Pages 122-134 doi: 10.1631/FITEE.1500187

Abstract: In this paper, we first present a common co-occurrence group similarity based approach, which employs

Keywords: Social tagging systems     Tag co-occurrence     Spectral clustering     Group similarity http://dx.doi.org/10.1631    

Mitigating microbiological risks of potential pathogens carrying antibiotic resistance genes and virulence factors in receiving rivers: Benefits of wastewater treatment plant upgrade

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 7, doi: 10.1007/s11783-023-1682-4

Abstract:

● Abundance of MAGs carrying ARG-VF pairs unchanged in rivers after WWTP upgrade.

Keywords: Wastewater treatment plant upgrade     Antibiotic resistance genes (ARGs)     Virulence factors (VFs)     Gene co-occurrence    

Role of salivary matrix metalloproteinase-8 (MMP-8) in chronic periodontitis diagnosis

Namita Gupta,N.D. Gupta,Akash Gupta,Saif Khan,Neha Bansal

Frontiers of Medicine 2015, Volume 9, Issue 1,   Pages 72-76 doi: 10.1007/s11684-014-0347-x

Abstract: Any imbalance between the matrix metalloproteinases (MMPs) secreted by neutrophils and tissue inhibitorsbasis of several periodontal parameters, including pocket probing depth (PPD), clinical attachment level

Keywords: matrix metalloproteinase-8     chronic periodontitis     pocket probing depth     clinical attachment level     gingival    

Spin polarization strategy to deploy proton resource over atomic-level metal sites for highly selectiveCO electrolysis

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1772-1781 doi: 10.1007/s11705-022-2197-4

Abstract: Unlocking of the extremely inert C=O bond during electrochemical CO2 reduction demands subtleThe as-designed catalyst displays a broad window (300 mV) for CO selectivity > 90% (98% maximum), evenThe well-placed control of proton dynamics by A/N-Fe can promote *COOH/*CO formation and simultaneously

Keywords: CO2 electrolysis     single-atom catalysts     spin polarization     proton dynamics     in situ   

Molecular level understanding of CO2 capture in ionic liquid/polyimide composite membrane

Linlin You, Yandong Guo, Yanjing He, Feng Huo, Shaojuan Zeng, Chunshan Li, Xiangping Zhang, Xiaochun Zhang

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 2,   Pages 141-151 doi: 10.1007/s11705-020-2009-7

Abstract: Ionic liquid (IL)/polyimide (PI) composite membranes demonstrate promise for use in CO separation applicationsHowever, few studies have focused on the microscopic mechanism of CO in these composite systems, whichIn this work, a series of systems of CO in 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imidethe self-diffusion coefficient and free energy barrier suggested that the diffusion coefficient of COHowever, the CO self-diffusion coefficients increased when the IL contents were higher than 35 wt-%,

Keywords: carbon dioxide     ionic liquid     6FDA-TeMPD     composite membrane     molecular dynamics simulation    

Co-design and Co-simulation on the System Level

Xu Hui,Wang Zuqiang,Wang Zhaojun

Strategic Study of CAE 2006, Volume 8, Issue 4,   Pages 86-88

Abstract:

The article introduces the technology of co-design and co-simulation on the system level and the systemAt last,it will provide an example of SW/HW co-simulation in the environment.

Keywords: system on a chip     software/hardware co-simulate     system C     CCSS (CoCentric system studio)    

Tracking in urban wastewater treatment plants in a cold region: Occurrence, species and infectivity

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi: 10.1007/s11783-022-1533-8

Abstract:

Cryptosporidium in WWTPs in a cold region was investigated in different seasons.

Keywords: WWTPs     Cryptosporidium     Occurrence     Species     Infectivity     Low temperature    

Effect of TiO

Navid Azizi, Mojgan Isanejad, Toraj Mohammadi, Reza M. Behbahani

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 3,   Pages 517-530 doi: 10.1007/s11705-018-1781-0

Abstract: The effects of the titanium dioxide nanoparticle load on the morphology and CO /CH separation performanceof poly (ether-block-amide) (PEBAX-1657) mixed matrix membranes (MMMs) were investigated from pressuresThe incorporation of TiO nanoparticles into the polymeric MMMs improved the CO /CH gas separation performanceThe CO permeability and ideal CO /CH selectivity values of the nanocomposite membrane loaded with 8

Keywords: mixed matrix membrane     TiO2 nanoparticles     PEBAX-1657     CO2/CH4 separation    

Occurrence and fate of typical antibiotics in wastewater treatment plants in Harbin, North-east China

Weihua Wang, Wanfeng Zhang, Hong Liang, Dawen Gao

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 3, doi: 10.1007/s11783-019-1118-3

Abstract:

• The concentration distributions and removals of 12 antibiotics were investigated.

• Macrolides and fluoroquinolones presented relatively higher concentrations.

• The removal of antibiotics did not differ among the different treatment processes.

Keywords: Antibiotics     WWTPs     Occurrence     Removal efficiency    

Global CO2 Emissions Level Off in 2019, with a Drop Predicted in 2020

Sean O’Neill

Engineering 2020, Volume 6, Issue 9,   Pages 958-959 doi: 10.1016/j.eng.2020.07.005

Antibiotic resistance genes in manure-amended paddy soils across eastern China: Occurrence and influencing

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1499-y

Abstract:

• Manure fertilization resulted in antibiotic residues and increased metal contents.

Keywords: Pig manure     Antibiotics     Metals     Antibiotic resistance genes     Paddy fields    

Decellularized extracellular matrix mediates tissue construction and regeneration

Frontiers of Medicine 2022, Volume 16, Issue 1,   Pages 56-82 doi: 10.1007/s11684-021-0900-3

Abstract: Contributing to organ formation and tissue regeneration, extracellular matrix (ECM) constituents provideContaining the crucial traits of the cellular microenvironment, ECM substitutes mediate cell–matrix interactions

Keywords: decellularized extracellular matrix     3D culture     organoids     tissue repair    

The Gray Evaluation of Road Traffic Safety Based on Trigonometry Whitening Weight (TWW) Function

Guo Yi,Zhou Qinglei,Huang Jingbao

Strategic Study of CAE 2006, Volume 8, Issue 3,   Pages 87-90

Abstract:

Based on the researches of evaluation methods about road traffic safety in China and abroad, the gray

Keywords: road traffic safety     gray evaluation     TWW function    

Title Author Date Type Operation

Vibration-based hypervelocity impact identification and localization

Jiao BAO, Lifu LIU, Jiuwen CAO,jwcao@hdu.edu.cn

Journal Article

Differences in distributions, assembly mechanisms, and putative interactions of AOB and NOB at a large spatial scale

Journal Article

A social tag clustering method based on common co-occurrence group similarity

Hui-zong LI,Xue-gang HU,Yao-jin LIN,Wei HE,Jian-han PAN

Journal Article

Mitigating microbiological risks of potential pathogens carrying antibiotic resistance genes and virulence factors in receiving rivers: Benefits of wastewater treatment plant upgrade

Journal Article

Role of salivary matrix metalloproteinase-8 (MMP-8) in chronic periodontitis diagnosis

Namita Gupta,N.D. Gupta,Akash Gupta,Saif Khan,Neha Bansal

Journal Article

Spin polarization strategy to deploy proton resource over atomic-level metal sites for highly selectiveCO electrolysis

Journal Article

Molecular level understanding of CO2 capture in ionic liquid/polyimide composite membrane

Linlin You, Yandong Guo, Yanjing He, Feng Huo, Shaojuan Zeng, Chunshan Li, Xiangping Zhang, Xiaochun Zhang

Journal Article

Co-design and Co-simulation on the System Level

Xu Hui,Wang Zuqiang,Wang Zhaojun

Journal Article

Tracking in urban wastewater treatment plants in a cold region: Occurrence, species and infectivity

Journal Article

Effect of TiO

Navid Azizi, Mojgan Isanejad, Toraj Mohammadi, Reza M. Behbahani

Journal Article

Occurrence and fate of typical antibiotics in wastewater treatment plants in Harbin, North-east China

Weihua Wang, Wanfeng Zhang, Hong Liang, Dawen Gao

Journal Article

Global CO2 Emissions Level Off in 2019, with a Drop Predicted in 2020

Sean O’Neill

Journal Article

Antibiotic resistance genes in manure-amended paddy soils across eastern China: Occurrence and influencing

Journal Article

Decellularized extracellular matrix mediates tissue construction and regeneration

Journal Article

The Gray Evaluation of Road Traffic Safety Based on Trigonometry Whitening Weight (TWW) Function

Guo Yi,Zhou Qinglei,Huang Jingbao

Journal Article