Results 61 to 70 of about 316,910 (262)
Carbon emissions from urban takeaway delivery in China
npj Urban SustainabilityOnline food delivery has become a popular mode of urban food consumption in China as its underlying business mechanism, Online To Offline (O2O), gaining popularity.
Yiqiang Zhong +9 more
doaj +1 more source
A Unified Management Framework for EIoT Systems Based on Metadata and Event Detection
IEEE Access, 2019 Environmental Internet of Things (EIoT) has been widely applied in environmental monitoring. However, unified management, which is important for improving the operability and interoperability of EIoT systems, is difficult to perform due to the ubiquitous
Rubin Zheng, Haowei Wang, Jingzhu Zhao
doaj +1 more source
The Allocation of Carbon Intensity Reduction Target by 2030 among Cities in China
Energies, 2020 The regional allocation of carbon emission quotas is of great significance to realize the carbon emission target. Basing on the combination of the multi-index method and the improved equal-proportion distribution method, and fully considering the ...
Longyu Shi, Fengmei Yang, Lijie Gao
doaj +1 more source
Radiative Cooling by Green(er) Solvents‐Upcycled Polyvinyl Chloride From Drug Blisters Waste
Advanced Optical Materials, EarlyView.This study explores upcycling poly(vinyl chloride) (PVC) from used pharmaceutical blisters into sustainable radiative cooling materials. Using solvent separation and membrane fabrication, PVC was converted into white membranes paired with aluminum foil.
Andrea Lanfranchi +2 more
wiley +1 more source
Energy Consumption Optimization in Trajectory Planning for Fuel Cell Hybrid Uavs Based On HMPC
Advanced Robotics Research, EarlyView.The endurance limitation of multirotor drones is a critical challenge. This study adopts a hybrid power system of fuel cells and lithium‐ion batteries. Using Nondominated Sorting Genetic Algorithm II, it integrates trajectory planning with energy management optimization.
Xindi Wang +7 more
wiley +1 more source
Frontiers in Microbiology, 2019 Plasmid conjugation is one of the dominant mechanisms of horizontal gene transfer, playing a noticeable role in the rapid spread of antibiotic resistance genes (ARGs).
Xiao-Ting Fan +10 more
doaj +1 more source
Advanced Robotics Research, EarlyView.Visual teach‐and‐repeat (VTR) navigation allows robots to learn and follow routes without building a full metric map. We show that navigation accuracy for VTR can be improved by integrating a topological map with error‐drift correction based on stereo vision.
Fuhai Ling, Ze Huang, Tony J. Prescott
wiley +1 more source
From Lab to Landscape: Environmental Biohybrid Robotics for Ecological Futures
Advanced Robotics Research, EarlyView.This Perspective explores environmental biohybrid robotics, integrating living tissues, microorganisms, and insects for operation in real‐world ecosystems. It traces the leap from laboratory experiments to forests, wetlands, and urban environments and discusses key challenges, development pathways, and opportunities for ecological monitoring and ...
Miriam Filippi
wiley +1 more source
Driving factors and photochemical impacts of Cl2 in coastal atmosphere of Southeast China
npj Climate and Atmospheric ScienceThe elevated levels of molecular chlorine (Cl2) have been observed both during the daytime or nighttime, yet the key drivers influencing Cl2 formation remain unclear.
Gaojie Chen +6 more
doaj +1 more source
Advanced Sustainable Systems, EarlyView.Microorganisms colonizing photovoltaic surfaces in the Atacama desert form biofilms that enhance particle adhesion and reduce energy yield. This study identifies UV‐resistant bacteria and carotenoid‐producing strains that interfere with PV performance.
Douglas Olivares +8 more
wiley +1 more source