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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Capsule Aggregated Attention for Vehicle Routing Problems
车辆 路径问题 胶囊聚合 关注
2023/4/27
Deep learning based methods have shown great potential for solving Vehicle Routing Problems (VRPs) in recent years. In the current learning based models, attention mechanism plays an important role an...
Ocean scientists measure sediment plume stirred up by deep-sea-mining vehicle（图）
深海采矿车 沉积物羽流 海洋科学
2023/6/19
What will be the impact to the ocean if humans are to mine the deep sea? It’s a question that’s gaining urgency as interest in marine minerals has grown.
Hereon study shows that microplastics can serve as a transport vehicle for metals in the environment
microplastics metal Organic pollutant
2021/8/10
The fact that microplastics can accumulate organic pollutants from the environment and transport them has been known for some time. What is new, however, is that metals can also be transported in this...
Robotic underwater vehicle snaps first images of seafloor beneath Antarctica's Thwaites Glacier（图）
Robotic underwater vehicle snaps first images seafloor beneath Antarctica Thwaites Glacier
2020/2/20
During the first study of the ocean floor beneath Antarctica’s Thwaites Glacier, scientists took images of the glacier's foundations. Thwaites now accounts for about 4% of global sea level rise, and r...
NEAR REAL-TIME GEOREFERENCE OF UMANNED AERIAL VEHICLE IMAGES FOR POST-EARTHQUAKE RESPONSE
UAV images Georeference Earthquake emergency Disaster information World File
2018/5/15
The rapid collection of Unmanned Aerial Vehicle (UAV) remote sensing images plays an important role in the fast submitting disaster information and the monitored serious damaged objects after the eart...
MATHEMATICAL ANALYSIS OF VEHICLE DELIVERY SCALE OF BIKE-SHARING RENTAL NODES
Bike-sharing Vehicle Delivery Scale of Rental Nodes Markov Chain Steady State Scale Virtual Two-Node Vehicle Scale Solution Algorithm
2018/5/16
Aiming at the lack of scientific and reasonable judgment of vehicles delivery scale and insufficient optimization of scheduling decision, based on features of the bike-sharing usage, this paper analys...
Mid-Ocean Ridge Exploration with an Autonomous Underwater Vehicle
Autonomous Underwater Vehicle Ocean
2015/7/22
Human-occupied submersibles, towed vehicles, and tethered remotely operated vehicles (ROVs) have traditionally been used to study the deep seafloor. In recent years, however, autonomous underwater veh...
Autonomous Underwater Vehicle exploration of the Ocean cavity Beneath an Antarctic ice Shelf
Underwater Vehicle Ocean
2015/7/15
in recent years, mass loss from the Antarctic
ice Sheet has contributed nearly 0.5 mm yr–1
to global mean sea level rise, about one-sixth of
the current rate (church et al., 2011). Around
...
Junction Modeling in Vehicle Navigation Maps and Multiple Representations
Cartography database generalization
2015/7/6
Generalization is certainly one of the most important current issues in cartography, with particular emphasis being placed on its
automation. This paper considers the automation of generalization app...
Unmanned underwater vehicle provides first 3-D images of underside of Antarctic sea ice（图）
Antarctic sea ice 3-D images
2014/12/1
A video news release and b-roll are available by contacting Dena Headlee, (703) 292-7739 / dheadlee@nsf.gov
A National Science Foundation (NSF)-funded research team has successfully tested an autonom...
Development of Mass Spectrometry-Based Methods for Quantitation and Characterization of Protein Drugs: Transferrin as a Model Drug Delivery Vehicle
Mass Spectrometry O18 labeling Protein quantitation Transferrin
2014/11/20
In the last two decades, protein drugs have enjoyed a rapid growth and achieved a tremendous success in treating human diseases. However, the presence of physiological barriers greatly impedes the eff...
The University of Queensland invention to revolutionise unmanned vehicle surveillance（图）
unmanned vehicle surveillance
2014/7/8
Surf lifesavers, police, fire fighters and rescue workers across Australia and around the world could benefit from new unmanned surveillance technology developed in Brisbane, after the signing of an a...
Connectivity statistics of store-and-forward inter-vehicle communication
Connectivity statistics store-and-forward inter-vehicle communication
2010/12/28
Inter-vehicle communication (IVC) enables vehicles to exchange messages within a limited broadcast range and thus self-organize into dynamical vehicular ad hoc networks. For
the foreseeable future, h...
Framed-Quadtree Path Planning for an Underwater Vehicle with the Task of Tracking a Moving Target
regular grid framed quadtree data structure algorithm efficiency
2011/9/9
An autonomous underwater vehicle (AUV) must use an algorithm to plan its path to distant, mobile offshore objects. Because of the uneven distribution of obstacles in the real world, the efficiency of ...
Molecular hydrogen (H2) emissions and their isotopic signatures (H/D) from a motor vehicle: implications on atmospheric H2
Molecular hydrogen (H2) isotopic signatures (H/D) a motor vehicle atmospheric H2
2010/8/13
Molecular hydrogen (H2), its isotopic signature (deuterium/hydrogen, δD), carbon monoxide (CO), and other compounds were studied in the exhaust of a passenger car engine fuelled with gasoline or metha...