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The Constructions of Cryptographic Functions

Teng Jihong,Zhang Wenying,Liu Wenfen,Li Shiqu

Strategic Study of CAE 2003, Volume 5, Issue 7,   Pages 47-52

Abstract: On the basis of this formula, the constructions of some cryptographic functions, such as resilient functions, Bent functions and H-Boolean function are studied H-Boolean function is a class of Boolean functions

Keywords： Walsh spectrum     decomposition formula of Walsh spectrum     Bent function     resilient function     strict avalanche    

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BUILDING CLIMATE-RESILIENT FOOD SYSTEMS IN EAST AND SOUTHEAST ASIA: VULNERABILITIES, RESPONSES AND FINANCING

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 1,   Pages 16-30 doi: 10.15302/J-FASE-2023492

Abstract:

● Food systems in East and Southeast Asia are vulnerable to global warming.

Keywords： food systems     climate change     East     policy     resilience and Southeast Asia    

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Performance assessment of innovative seismic resilient steel knee braced frame

Tony T. Y. YANG,Yuanjie LI

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 3,   Pages 291-302 doi: 10.1007/s11709-016-0340-3

Abstract: Buckling restrained knee braced truss moment frame (BRKBTMF) is a novel and innovative steel structural system that utilizes the advantages of long-span trusses and dedicated structural fuses for seismic applications. Steel trusses are very economical and effective in spanning large distance. However, conventional steel trusses are typically not suitable for seismic application, due to its lack of ductility and poor energy dissipation capacity. BRKBTMF utilizes buckling restrained braces (BRBs) as the designated structural fuses to dissipate the sudden surge of earthquake energy. This allows the BRKBTMF to economically and efficiently create large span structural systems for seismic applications. In this paper, a prototype BRKBTMF office building located in Berkeley, California, USA, was designed using performance-based plastic design procedure. The seismic performance of the prototype building was assessed using the state-of-the-art finite element software, OpenSees. Detailed BRB hysteresis and advanced element removal technique was implemented. The modeling approach allows the simulation for the force-deformation response of the BRB and the force redistribution within the system after the BRBs fracture. The developed finite element model was analyzed using incremental dynamic analysis approach to quantify the seismic performance of BRKBTMF. The results show BRKBTMF has excellent seismic performance with well controlled structural responses and resistance against collapse. In addition, life cycle repair cost of BRKBTMF was assessed using the next-generation performance-based earthquake engineering framework. The results confirm that BRKBTMF can effectively control the structural and non-structural component damages and minimize the repair costs of the structure under different ranges of earthquake shaking intensities. This studies conclude that BRKBTMF is a viable and effective seismic force resisting system.

Keywords： buckling restrained brace     innovative structural system     collapse simulation     seismic assessment    

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Urban constructed wetlands: Assessing ecosystem services and disservices for safe, resilient, and sustainable

Frontiers of Engineering Management   Pages 582-596 doi: 10.1007/s42524-023-0268-y

Abstract: Climate change and rapid urbanization are pressing environmental and social concerns, with approximately 56% of the global population living in urban areas. This number is expected to rise to 68% by 2050, leading to the expansion of cities and encroachment upon natural areas, including wetlands, causing their degradation and fragmentation. To mitigate these challenges, green and blue infrastructures (GBIs), such as constructed wetlands, have been proposed to emulate and replace the functions of natural wetlands. This study evaluates the potential of eight constructed wetlands near Beijing, China, focusing on their ecosystem services (ESs), cost savings related to human health, growing/maintenance expenses, and disservices using an emergy-based assessment procedure. The results indicate that all constructed wetlands effectively purify wastewater, reducing nutrient concentrations (e.g., total nitrogen, total phosphorus, and total suspended solids). Among the studied wetlands, the integrated vertical subsurface flow constructed wetland (CW-4) demonstrates the highest wastewater purification capability (1.63E+14 sej/m2/yr) compared to other types (6.78E+13 and 2.08E+13 sej/m2/yr). Additionally, constructed wetlands contribute to flood mitigation, groundwater recharge, wildlife habitat protection, and carbon sequestration, resembling the functions of natural wetlands. However, the implementation of constructed wetlands in cities is not without challenges, including greenhouse gas emissions, green waste management, mosquito issues, and disturbances in the surrounding urban areas, negatively impacting residents. The ternary phase diagram reveals that all constructed wetlands provide more benefits than costs and impacts. CW-4 shows the highest benefit‒cost ratio, reaching 50%, while free water surface constructed wetland (CW-3) exhibits the lowest benefits (approximately 38%), higher impacts (approximately 25%), and lower costs (approximately 37%) compared to other wetlands. The study advocates the use of an emergy approach as a reliable method to assess the quality of constructed wetlands, providing valuable insights for policymakers in selecting suitable constructed wetlands for effective urban ecological management.

Keywords： constructed wetland     emergy     ecosystem services     disservices     ternary diagram    

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Modeling of the resilient supply chain system from a perspective of production design changes

Frontiers of Engineering Management   Pages 96-106 doi: 10.1007/s42524-022-0235-z

Abstract: Building an effective resilient supply chain system (RSCS) is critical and necessary to reduce the riskmodel is first developed from the perspective of PDC based on a general conceptual framework, i.e., function-context-behavior-principle-state-structure

Keywords： resilient supply chain     supply chain disruption     domain modeling     product design changes    

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The effect of carbon nanotubes and polypropylene fibers on bond of reinforcing bars in strain resilient

Souzana P. TASTANI,Maria S. KONSTA-GDOUTOS,Stavroula J. PANTAZOPOULOU,Victor BALOPOULOS

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 2,   Pages 214-223 doi: 10.1007/s11709-016-0332-3

Abstract: In the tests, the matrix comprises a novel, strain resilient cementitious composite (SRCC) reinforcedThe local bond response curves thus obtained were marked by a resilient appearance exhibiting sustained

Keywords： carbon nanotubes     strain resilient cementitious composite     polypropylene fibers     tensile bending     bond    

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Sustainable High-Performance Resilient Structures

Hong Hao, Jun Li

Engineering 2019, Volume 5, Issue 2,   Pages 197-198 doi: 10.1016/j.eng.2019.02.001

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Framework System and Path of Smart Resilient City Construction

Xu Xuesong, Yan Yue, Chen Xiaohong, Liu Xingbao, Su Yun, Tang Jiale, Peng Jianjun

Strategic Study of CAE 2023, Volume 25, Issue 1,   Pages 10-19 doi: 10.15302/J-SSCAE-2022.05.027

Abstract: justify;">In the context of extreme weather and frequent emergencies, strengthening the integration of resilientSmart resilient cities refer to integrating the new-generation information technology and dispatchingThis study elaborates the implication and development values of smart resilient cities, and analysesthe challenges faced in smart resilient city construction.Moreover, it proposes a framework, ecology, pathways, and assessment indicators for smart resilient city

Keywords： smart resilient cities     digital transformation     city management     resilient city     smart city    

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Toward resilient cloud warehousing via a blockchain-enabled auction approach

Frontiers of Engineering Management   Pages 20-38 doi: 10.1007/s42524-022-0224-2

Abstract: Cloud warehousing service (CWS) has emerged as a promising third-party logistics service paradigm driven by the widespread use of e-commerce. The current CWS billing method is typically based on a fixed rate in a coarse-grained manner. This method cannot reflect the true service value under the fluctuating e-commerce logistics demand and is not conducive to CWS resilience management. Accordingly, a floating mechanism can be considered to introduce more flexible billing. A CWS provider lacks sufficient credibility to implement floating mechanisms because it has vested interests in terms of fictitious demand. To address this concern, this report proposes a blockchain-enabled floating billing management system as an overall solution for CWS providers to enhance the security, credibility, and transparency of CWS. A one-sided Vickrey–Clarke–Groves (O-VCG) auction mechanism model is designed as the underlying floating billing mechanism to reflect the real-time market value of fine-grained CWS resources. A blockchain-based floating billing prototype system is built as an experimental environment. Our results show that the O-VCG mechanism can effectively reflect the real-time market value of CWSs and increase the revenue of CWS providers. When the supply of CWS providers remains unchanged, allocation efficiency increases when demand increases. By analyzing the performance of the O-VCG auction and comparing it with that of the fixed-rate billing model, the proposed mechanism has more advantages. Moreover, our work provides novel managerial insights for CWS market stakeholders in terms of practical applications.

Keywords： resilient cloud warehousing     blockchain technology     floating billing management system     auction mechanism    

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Nexus security: governance, innovation and the resilient city

Michael Bruce BECK, Rodrigo VILLARROEL WALKER

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 640-657 doi: 10.1007/s11783-013-0549-5

Abstract: Case studies include new designs of resilient office blocks, nutrient (nitrogen and phosphorus) recovery

Keywords： cities as forces for good     climate variability     ecosystem services     energy and nutrient recovery     infrastructure failure     urban metabolism    

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Financing climate-resilient infrastructure: Determining risk, reward, and return on investment

Peter B. MEYER, Reimund SCHWARZE

Frontiers of Engineering Management 2019, Volume 6, Issue 1,   Pages 117-127 doi: 10.1007/s42524-019-0009-4

Abstract: framework to identify what are the necessary and sufficient factors to economically favor climate-change resilientCarbon pricing is necessary, but not sufficient for an enhanced private financing of climate-resilient

Keywords： infrastructure     urban finance     climate     low carbon economy    

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Predicting resilient modulus of recycled concrete and clay masonry blends for pavement applications using

Mosbeh R. KALOOP, Alaa R. GABR, Sherif M. EL-BADAWY, Ali ARISHA, Sayed SHWALLY, Jong WAN HU

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1379-1392 doi: 10.1007/s11709-019-0562-2

Abstract: date, very few researchers employed the Least Square Support Vector Machine (LSSVM) in predicting the resilient

Keywords： Least Square Support Vector Machine     Artificial Neural Network     resilient modulus     Recycled Concrete Aggregate    

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Resilient distributed economic dispatch of a cyber-power system under DoS attack Research Articles

Feisheng Yang, Xuhui Liang, Xiaohong Guan,yangfeisheng@nwpu.edu.cn,liangxuhui@mail.nwpu.edu.cn,xhguan@sei.xjtu.edu.cn

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 1,   Pages 1-140 doi: 10.1631/FITEE.2000201

Abstract: The problem of a smart grid under vicious denial of service (DoS) is the main focus of this paper. Taking the actual situation of power generation as a starting point, a new model is established which takes the environmental pollution penalty into account. For saving the limited bandwidth, a novel distributed event-triggered scheme is proposed to keep the resilience and economy of a class of cyber-power systems when the communication network is subject to malicious DoS attack. Then an improved multi-agent consensus protocol based on the gradient descent idea is designed to solve the minimization problem, and the prerequisites to minimize the system power generation cost are analyzed from the aspects of optimality and stability. Finally, the theoretical results are verified through a single-area 10-generator unit simulation.

Keywords： Economic dispatch     Denial of service (DoS) attack     Resilient event-triggered scheme     Distributed optimization    

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Strategies for Disaster Prevention and Mitigation in Safety and Resilient Cities

Fang Yudong , Wang Wen , Zhang Zhi , Bian Lu

Strategic Study of CAE 2023, Volume 25, Issue 1,   Pages 1-9 doi: 10.15302/J-SSCAE-2023.01.009

Abstract: The construction of safety resilient cities focuses on urban disaster prevention and mitigation and canconstruction of safety resilient cities.Moreover, four key aspects for building a safety resilient city are proposed, namely institutional,?Furthermore, the following suggestions for the development of safety resilient cities?

Keywords： safety and resilient city     risk prevention and control     public safety     disaster prevention and mitigation    

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Lung function and air pollution exposure in adults with asthma in Beijing: a 2-year longitudinal panel

Frontiers of Medicine 2022, Volume 16, Issue 4,   Pages 574-583 doi: 10.1007/s11684-021-0882-1

Abstract: The effect of air pollution on the lung function of adults with asthma remains unclear to date.The participants were divided into three groups according to their lung function level at every visitA linear mixed-effect model was applied to predict the change in lung function with each unit changeExposure to CO and PM2.5 was negatively associated with the large airway function of adultsPatients with asthma react differently to air pollutants as evidenced by their lung function levels.

Keywords： lung function     asthma     air pollution     adult    

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Title Author Date Type Operation

The Constructions of Cryptographic Functions

Teng Jihong,Zhang Wenying,Liu Wenfen,Li Shiqu

Journal Article

BUILDING CLIMATE-RESILIENT FOOD SYSTEMS IN EAST AND SOUTHEAST ASIA: VULNERABILITIES, RESPONSES AND FINANCING

Journal Article

Performance assessment of innovative seismic resilient steel knee braced frame

Tony T. Y. YANG,Yuanjie LI

Journal Article

Urban constructed wetlands: Assessing ecosystem services and disservices for safe, resilient, and sustainable

Journal Article

Modeling of the resilient supply chain system from a perspective of production design changes

Journal Article

The effect of carbon nanotubes and polypropylene fibers on bond of reinforcing bars in strain resilient

Souzana P. TASTANI,Maria S. KONSTA-GDOUTOS,Stavroula J. PANTAZOPOULOU,Victor BALOPOULOS

Journal Article

Sustainable High-Performance Resilient Structures

Hong Hao, Jun Li

Journal Article

Framework System and Path of Smart Resilient City Construction

Xu Xuesong, Yan Yue, Chen Xiaohong, Liu Xingbao, Su Yun, Tang Jiale, Peng Jianjun

Journal Article

Toward resilient cloud warehousing via a blockchain-enabled auction approach

Journal Article

Nexus security: governance, innovation and the resilient city

Michael Bruce BECK, Rodrigo VILLARROEL WALKER

Journal Article

Financing climate-resilient infrastructure: Determining risk, reward, and return on investment

Peter B. MEYER, Reimund SCHWARZE

Journal Article

Predicting resilient modulus of recycled concrete and clay masonry blends for pavement applications using

Mosbeh R. KALOOP, Alaa R. GABR, Sherif M. EL-BADAWY, Ali ARISHA, Sayed SHWALLY, Jong WAN HU

Journal Article

Resilient distributed economic dispatch of a cyber-power system under DoS attack

Feisheng Yang, Xuhui Liang, Xiaohong Guan,yangfeisheng@nwpu.edu.cn,liangxuhui@mail.nwpu.edu.cn,xhguan@sei.xjtu.edu.cn

Journal Article

Strategies for Disaster Prevention and Mitigation in Safety and Resilient Cities

Fang Yudong , Wang Wen , Zhang Zhi , Bian Lu

Journal Article

Lung function and air pollution exposure in adults with asthma in Beijing: a 2-year longitudinal panel

Journal Article