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Fluorene-based narrow-band-gap copolymers for red light-emitting diodes and bulk heterojunction photovoltaic

SUN Mingliang, WANG Li, XIA Yangjun, DU Bin, LIU Ransheng, CAO Yong

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 257-264 doi: 10.1007/s11705-008-0052-x

Abstract: A series of narrow band-gap conjugated copolymers (PFO-DDQ) derived from 9,9-dioctylfluorene (DOF) andEfficient energy transfer due to exciton trapping on narrow-band-gap DDQ sites has been observed.This indicates that these kinds of low band-gap polymers are promising candidates for polymeric solar

Keywords： simulator     Efficient     band-gap     PFO-DDQ50     intensity    

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Spatial System of National Parks and Protected Areas in Qinba Mountain Area

Zhou Yuxia, Liu Hailong, Zhao Zhicong, Yang Rui

Strategic Study of CAE 2020, Volume 22, Issue 1,   Pages 86-95 doi: 10.15302/JSSCAE2020.01.009

Abstract: habitat conditions of indicator species and using minimum cost path calculation, and then clarifies the protectionbasis, natural parks of other types can be newly built to further improve the existing gaps in the protection

Keywords： Qinba Moutain Area     national park     protected area system     protection gap     ecological corridor    

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Air bearing center cross gap of neutron stress spectrometer sample table support system

Yang LI,Yunxin WU,Hai GONG,Xiaolei FENG

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 4,   Pages 403-411 doi: 10.1007/s11465-016-0405-y

Abstract: To study the performance of air bearing center cross gap, finite element models (FEMs) were establishedbased on air motion and Reynolds equations, effects of air supply pressure, and gap parameters on theoverturning moment and bearing capacity of air bearing center cross gap were analyzed.When gap width is lesser than 1 mm and gap depth is lower than 0.4 mm, bearing capacity and overturningA gap height difference results in the bearing capacity dropping rapidly.

Keywords： neutron stress spectrometer     sample table     support system     air bearing     center cross gap     simulation     experiment    

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Bridging the gap: Neuro-Symbolic Computing for advanced AI applications in construction

Frontiers of Engineering Management   Pages 727-735 doi: 10.1007/s42524-023-0266-0

Abstract: Deep Learning (DL) has revolutionized the field of Artificial Intelligence (AI) in various domains such as computer vision (CV) and natural language processing. However, DL models have limitations including the need for large labeled datasets, lack of interpretability and explainability, potential bias and fairness issues, and limitations in common sense reasoning and contextual understanding. On the other side, DL has shown significant potential in construction for safety and quality inspection tasks using CV models. However, current CV approaches may lack spatial context and measurement capabilities, and struggle with complex safety and quality requirements. The integration of Neuro-Symbolic Computing (NSC), an emerging field that combines DL and symbolic reasoning, has been proposed as a potential solution to address these limitations. NSC has the potential to enable more robust, interpretable, and accurate AI systems in construction by harnessing the strengths of DL and symbolic reasoning. The combination of symbolism and connectionism in NSC can lead to more efficient data usage, improved generalization ability, and enhanced interpretability. Further research and experimentation are needed to effectively integrate NSC with large models and advance CV technologies for precise reporting of safety and quality inspection results in construction.

Keywords： advanced AI in construction     safety and quality inspection     Neuro-Symbolic Computing     Deep Learning     computer vision    

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Wide gap active brazing of ceramic-to-metal-joints for high temperature applications

K. Bobzin,L. Zhao,N. Kopp,S. Samadian Anavar

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 1,   Pages 71-74 doi: 10.1007/s11465-014-0291-0

Abstract: metal, active elements and WC particles were analyzed to understand the mechanism of the so called wide gap

Keywords： wide gap     active brazing     nickel filler metals     high temperature application     WC     Al2O3   

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Organophosphate esters in sediment from Taihu Lake, China: Bridging the gap between riverine sources

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 3, doi: 10.1007/s11783-021-1464-9

Abstract:

• Eleven OPEs were detected in river sediment and lake sediment in Taihu Lake.

Keywords： Organophosphate esters     Partition     Vertical distribution     Composition profile     Positive matrix factorization    

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Investigating the role of exiting vehicles and turn indicator usage in gap acceptance at single-lane

Nathan P. BELZ

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 1,   Pages 8-16 doi: 10.1007/s11709-016-0365-7

Abstract: This research addresses the nature of gap distributions and use of turn indicators by exiting vehicles

Keywords： roundabouts     exiting vehicles     turn indicator use     headways    

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Implement and Innovate Environmental Protection Measures, Promote Green Protection of Cultural Relics

Fu-qing Liang,Yong-ping Sun

Frontiers of Engineering Management 2014, Volume 1, Issue 4,   Pages 330-335 doi: 10.15302/J-FEM-2014055

Abstract: The subject is implementing and innovating environmental protection measures, and promoting green protection

Keywords： environmental science     the Three Gorges cultural relics     innovate environmental protection measures     greenprotection    

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Bridging the gap between laboratory and field moduli of asphalt layer for pavement design and assessment

Huailei CHENG; Liping LIU; Lijun SUN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 3,   Pages 267-280 doi: 10.1007/s11709-022-0811-7

Abstract: Asphalt pavement is a key component of highway infrastructures in China and worldwide. In asphalt pavement design and condition assessment, the modulus of the asphalt mixture layer is a crucial parameter. However, this parameter varies between the laboratory and field loading modes (i.e., loading frequency, compressive or tensile loading pattern), due to the viscoelastic property and composite structure of the asphalt mixture. The present study proposes a comprehensive frequency-based approach to correlate the asphalt layer moduli obtained under two field and three laboratory loading modes. The field modes are vehicular and falling weight deflectometer (FWD) loading modes, and the laboratory ones are uniaxial compressive (UC), indirect tensile (IDT), and four-point bending (4PB) loading modes. The loading frequency is used as an intermediary parameter for correlating the asphalt layer moduli under different loading modes. The observations made at two field large-scale experimental pavements facilitate the correlation analysis. It is found that the moduli obtained via laboratory 4PB tests are pretty close to those of vehicular loading schemes, in contrast to those derived in UC, IDT, and FWD modes, which need to be adjusted. The corresponding adjustment factors are experimentally assessed. The applications of those adjustment factors are expected to ensure that the moduli measured under different loading modes are appropriately used in asphalt mixture pavement design and assessment.

Keywords： asphalt mixture layer     stiffness modulus     loading mode     UC/4PB/IDT     FWD     frequency    

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An extended cell-based smoothed discrete shear gap method (XCS-FEM-DSG3) for free vibration analysis

M. H. NGUYEN-THOI,L. Le-ANH,V. Ho-HUU,H. Dang-TRUNG,T. NGUYEN-THOI

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4,   Pages 341-358 doi: 10.1007/s11709-015-0302-1

Abstract: A cell-based smoothed discrete shear gap method (CS-FEM-DSG3) was recently proposed and proven to beextended finite element method (XFEM) to give a so-called extended cell-based smoothed discrete shear gap

Keywords： cracked Reissner-Mindlin shell     free vibration analysis     cell-based smoothed discrete shear gap method(CS-FEM-DSG3)     extended cell-based smoothed discrete shear gap method (XCS-FEM-DSG3)     smoothed finite element    

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CROP PROTECTION OPENS UP NEW ERA OF CONSERVATION AND UTILIZATION OF GREEN OPTIONS

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 1,   Pages 1-3 doi: 10.15302/J-FASE-2021431

Abstract: Therefore, to solve the problem of crop pests and diseases, suitable green crop protection methods havemajor crop pests provides better pest management and acts as a fundamental part of an integrated plant protectiondocumenting the history of research and application, Chinese laws and regulations related to plant protection

Field management is a traditional conservation agriculture technique on plant protection such

Pesticides are widely used in the crop protection.

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Bioengineering protection mechanism of city rock slope and its laboratory test

Desong JIANG, Minghua ZHAO, Chong JIANG,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 414-421 doi: 10.1007/s11709-009-0055-9

Abstract: Based on the features of rock slope bioengineering protection, the ecology protection mechanism of theFurthermore, the indoor model experiment of urban crag rock slope ecology protection was designed and

Keywords： indoor     engineering project     protection mechanism     different     runoff lagging    

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CRISPR Narrows Gap between Genetically Altered Foods and Consumers

Sarah C.P. Williams

Engineering 2023, Volume 20, Issue 1,   Pages 6-8 doi: 10.1016/j.eng.2022.11.002

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Game Theory Analysis of Marine Rights Protection

Wang Lei, Chen Hua, Kang Meize, Ma Xiaochuan

Strategic Study of CAE 2019, Volume 21, Issue 6,   Pages 80-86 doi: 10.15302/J-SSCAE-2019.06.015

Abstract:

This study discusses marine rights protection from the perspective ofIt introduces the role of marine rights protection in handling marine disputes, as well as the nature, direction, and elements of the game in China’s marine rights protection.To this end, this study categorizes marine rights protection into three basic game processes, i.e., entryIt is concluded that improving technological means for marine rights protection can effectively change

Keywords： marine rights protection     game theory     marine rights protection technology     United Nations Convention    

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Review of challenges and strategies for balanced urban–rural environmental protection in China

Beidou XI,Xiaoguang LI,Jixi GAO,Ying ZHAO,Hongliang LIU,Xunfeng XIA,Tianxue YANG,Lieyu ZHANG,Xuan JIA

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 3,   Pages 371-384 doi: 10.1007/s11783-014-0744-z

Abstract: With the rise of environmentalism in China, great efforts have been devoted to environmental protectionCompared with urban environmental protection, rural environmental protection has not been attached enough, and the environmental protection awareness of people.To eliminate the gap between rural and urban environmental protection, and achieve the goal of “balancedwith urban environmental protection in China.

Keywords： urban environment     rural environment     balanced urban–rural environmental protection     framework of balancedurban–rural environmental protection (BUREP)    

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Title Author Date Type Operation

Fluorene-based narrow-band-gap copolymers for red light-emitting diodes and bulk heterojunction photovoltaic

SUN Mingliang, WANG Li, XIA Yangjun, DU Bin, LIU Ransheng, CAO Yong

Journal Article

Spatial System of National Parks and Protected Areas in Qinba Mountain Area

Zhou Yuxia, Liu Hailong, Zhao Zhicong, Yang Rui

Journal Article

Air bearing center cross gap of neutron stress spectrometer sample table support system

Yang LI,Yunxin WU,Hai GONG,Xiaolei FENG

Journal Article

Bridging the gap: Neuro-Symbolic Computing for advanced AI applications in construction

Journal Article

Wide gap active brazing of ceramic-to-metal-joints for high temperature applications

K. Bobzin,L. Zhao,N. Kopp,S. Samadian Anavar

Journal Article

Organophosphate esters in sediment from Taihu Lake, China: Bridging the gap between riverine sources

Journal Article

Investigating the role of exiting vehicles and turn indicator usage in gap acceptance at single-lane

Nathan P. BELZ

Journal Article

Implement and Innovate Environmental Protection Measures, Promote Green Protection of Cultural Relics

Fu-qing Liang,Yong-ping Sun

Journal Article

Bridging the gap between laboratory and field moduli of asphalt layer for pavement design and assessment

Huailei CHENG; Liping LIU; Lijun SUN

Journal Article

An extended cell-based smoothed discrete shear gap method (XCS-FEM-DSG3) for free vibration analysis

M. H. NGUYEN-THOI,L. Le-ANH,V. Ho-HUU,H. Dang-TRUNG,T. NGUYEN-THOI

Journal Article

CROP PROTECTION OPENS UP NEW ERA OF CONSERVATION AND UTILIZATION OF GREEN OPTIONS

Journal Article

Bioengineering protection mechanism of city rock slope and its laboratory test

Desong JIANG, Minghua ZHAO, Chong JIANG,

Journal Article

CRISPR Narrows Gap between Genetically Altered Foods and Consumers

Sarah C.P. Williams

Journal Article

Game Theory Analysis of Marine Rights Protection

Wang Lei, Chen Hua, Kang Meize, Ma Xiaochuan

Journal Article

Review of challenges and strategies for balanced urban–rural environmental protection in China

Beidou XI,Xiaoguang LI,Jixi GAO,Ying ZHAO,Hongliang LIU,Xunfeng XIA,Tianxue YANG,Lieyu ZHANG,Xuan JIA

Journal Article