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Exploitation and Utilization Status and Safe Supply Strategy of Copper, Aluminum, Lead, and Zinc Resources

Sun Chuanyao , Song Zhenguo , Zhu Yangge , Wu Xiqun

Strategic Study of CAE 2019, Volume 21, Issue 1,   Pages 133-139 doi: 10.15302/J-SSCAE-2019.01.019

Abstract: guarantee level of domestic, foreign, and secondary resources to the consumption demands, and formulates a safesupply strategy for Cu, Al, Pb, Zn resources.Zn metals in the next 20 years will be quantitatively constructed from the three sources of domestic supplyPb, Zn metal resources, such as increasing domestic exploration and development, improving domestic supply

Keywords： mineral resources     non-ferrous metal     safe supply     copper，aluminum，lead，and zinc    

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Demonstration project of safe and efficient mining operations in extra-thick coal seam

Jinhui WANG

Frontiers of Engineering Management 2017, Volume 4, Issue 1,   Pages 110-110 doi: 10.15302/J-FEM-2016063

Abstract:
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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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Multiresolution and multimaterial topology optimization of fail-safe structures under B-spline spaces

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11465-023-0768-9

Abstract: B-spline-based multiresolution and multimaterial topology optimization (TO) design method for fail-safebased on an ordered solid isotropic material with penalization (ordered-SIMP) that incorporates fail-safe

Keywords： multiresolution     multimaterial     topology optimization     fail-safe structure     B-spline    

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Optimising the oil phases of aluminium hydrogel-stabilised emulsions for stable, safe and efficient vaccine

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 973-984 doi: 10.1007/s11705-021-2123-1

Abstract: optimising the oil phase of the emulsion adjuvants, this work may offer an alternative strategy for safe

Keywords： pickering emulsion     vaccine adjuvant     alum-stabilised emulsion     oleic to linoleic acid ratio     stability    

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High cadmium pollution risk on vegetable amaranth and a selection for pollution-safe cultivars to lower

Yihui ZHOU, Meng XUE, Zhongyi YANG, Yulian GONG, Jiangang YUAN, Chunyan ZHOU, Baifei HUANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 2,   Pages 219-230 doi: 10.1007/s11783-012-0469-9

Abstract: Nan), a selected typical pollution-safe cultivar (Cd-PSC), and cv. Pennongjianyexian (cv.

Keywords： Amaranth     Cadmium (Cd)     Cd accumulation     pollution-safe cultivar (PSC)     Cd chemical forms     health risk    

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Analysis of inventory level under procurement constraints in supply chain

CHANG Guangshu

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3,   Pages 361-363 doi: 10.1007/s11465-007-0063-1

Abstract: Because the inventory is one of the major factors that affect the performance of the supply chain system, efficient reduction of an inventory can effectively reduce the cost level of the total supply chainTherefore, inventory management is an important means to optimize the operation of a supply chain and

Keywords： supply     efficient reduction     system     expectation     procurement    

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Digital twin-driven smart supply chain

Frontiers of Engineering Management 2022, Volume 9, Issue 1,   Pages 56-70 doi: 10.1007/s42524-021-0186-9

Abstract: Today’s supply chain is becoming complex and fragile.Hence, supply chain managers need to create and unlock the value of the smart supply chain.Therefore, we propose creating a DT-driven supply chain (DTSC) as an innovative and integrated solutionfor the smart supply chain.supply chain optimization, and data usage in supply chain collaboration.

Keywords： digital twin     supply chain management    

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Pricing and production strategies in remanufacturing from the perspectives of supply chain: Review and

Frontiers of Engineering Management doi: 10.1007/s42524-023-0251-7

Abstract: published literature on pricing and production strategies in remanufacturing from four perspectives of supplychain, namely, government policy, consumer characteristics, relationships among firms, and supply chain

Keywords： remanufacturing     reverse and closed-loop supply chain     circular economy    

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Research on the Strategies for Safe Management of Drinking Water in the Yangtze River Delta

Chu Wenhai , Yang Xu , Xiao Rong , Jin Wei

Strategic Study of CAE 2022, Volume 24, Issue 5,   Pages 19-25 doi: 10.15302/J-SSCAE-2022.05.003

Abstract: technology, as well as the three aspects of water source, water plant and pipe network (secondary water supplyquality standards, developing green and efficient water treatment technologies, and innovating the water supply

Keywords： Yangtze Delta     safety guarantee     micro-pollutants     emerging contaminants     green development     smart water supply    

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Digitalization for supply chain resilience and robustness: The roles of collaboration and formal contracts

Frontiers of Engineering Management   Pages 5-19 doi: 10.1007/s42524-022-0229-x

Abstract: Black swan events such as the coronavirus (COVID-19) outbreak cause substantial supply chain disruptionResults show that digitalization has a direct effect on supply chain resilience, and supply chain collaborationbetween digitalization and supply chain robustness.as an organizational factor in managing supply chain disruptions.but weaken the relationship between supply chain collaboration and supply chain resilience.

Keywords： digitalization     supply chain     resilience     robustness     collaboration     formal contract    

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Evolutionary Decision-Making and Planning for Autonomous Driving Based on Safe and Rational Exploration

Kang Yuan,Yanjun Huang,Shuo Yang,Zewei Zhou,Yulei Wang,Dongpu Cao,Hong Chen,

Engineering doi: 10.1016/j.eng.2023.03.018

Abstract: Decision-making and motion planning are extremely important in autonomous driving to ensure safe driving

Keywords： Autonomous driving     Decision-making     Motion planning     Deep reinforcement learning     Model predictive control    

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Construction of Safe, Reliable, Clean, and Environment-Friendly Refining and Chemical Enterprises

Zhang Shucai,Zhang Xiaohua,Jia Ping,Wang Qian,Cao Xianghong

Strategic Study of CAE 2019, Volume 21, Issue 2,   Pages 111-116 doi: 10.15302/J-SSCAE-2019.02.014

Abstract: Then, the principles, performance indicators, and evaluation methods for safe, reliable, clean, and environment-friendlyIt is proposed that construction of safe, reliable, clean, and environment-friendly enterprises would

Keywords： safe and reliable     clean     environment-friendly     oil refining     chemical industry     external distance    

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Internet of Things (IoT)–blockchain-enabled pharmaceutical supply chain resilience in the post-pandemic

Frontiers of Engineering Management   Pages 82-95 doi: 10.1007/s42524-022-0233-1

Abstract: During the COVID-19 pandemic, the current operating environment of pharmaceutical supply chain (PSC)Although IoT and blockchain have been widely examined in the areas of supply chain and logistics managementThis paper highlights how IoT and blockchain technology can enhance supply chain resilience and provides

Keywords： pharmaceutical supply chain     Internet of Things     blockchain     resilience     post-pandemic era    

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Disruptive technologies for advancing supply chain resilience

Frontiers of Engineering Management 2023, Volume 10, Issue 2,   Pages 360-366 doi: 10.1007/s42524-023-0257-1

Abstract: Disruptive technologies provide a new paradigm for supply chain risk management and bring opportunitiesand challenges for the improvement of supply chain resilience (SCRes).The results show that disruptive technologies can provide the supply chain with flexibility, visibility

Keywords： supply chain resilience     disruptive technology     supply chain risk    

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Title Author Date Type Operation

Exploitation and Utilization Status and Safe Supply Strategy of Copper, Aluminum, Lead, and Zinc Resources

Sun Chuanyao , Song Zhenguo , Zhu Yangge , Wu Xiqun

Journal Article

Demonstration project of safe and efficient mining operations in extra-thick coal seam

Jinhui WANG

Journal Article

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

Journal Article

Multiresolution and multimaterial topology optimization of fail-safe structures under B-spline spaces

Journal Article

Optimising the oil phases of aluminium hydrogel-stabilised emulsions for stable, safe and efficient vaccine

Journal Article

High cadmium pollution risk on vegetable amaranth and a selection for pollution-safe cultivars to lower

Yihui ZHOU, Meng XUE, Zhongyi YANG, Yulian GONG, Jiangang YUAN, Chunyan ZHOU, Baifei HUANG

Journal Article

Analysis of inventory level under procurement constraints in supply chain

CHANG Guangshu

Journal Article

Digital twin-driven smart supply chain

Journal Article

Pricing and production strategies in remanufacturing from the perspectives of supply chain: Review and

Journal Article

Research on the Strategies for Safe Management of Drinking Water in the Yangtze River Delta

Chu Wenhai , Yang Xu , Xiao Rong , Jin Wei

Journal Article

Digitalization for supply chain resilience and robustness: The roles of collaboration and formal contracts

Journal Article

Evolutionary Decision-Making and Planning for Autonomous Driving Based on Safe and Rational Exploration

Kang Yuan,Yanjun Huang,Shuo Yang,Zewei Zhou,Yulei Wang,Dongpu Cao,Hong Chen,

Journal Article

Construction of Safe, Reliable, Clean, and Environment-Friendly Refining and Chemical Enterprises

Zhang Shucai,Zhang Xiaohua,Jia Ping,Wang Qian,Cao Xianghong

Journal Article

Internet of Things (IoT)–blockchain-enabled pharmaceutical supply chain resilience in the post-pandemic

Journal Article

Disruptive technologies for advancing supply chain resilience

Journal Article