Results 51 to 60 of about 911,097 (293)
Chengshi guidao jiaotong yanjiu[Objective] Current daily metro track inspections, including manual detection and track inspection vehicle method, suffer from issues such as low efficiency and high costs, failing to meet the increasing demands for rail transit operation safety ...
Tingrui CUI +3 more
doaj +1 more source
Using Automatic Identification System (AIS) Data to Estimate Whale Watching Effort
Frontiers in Marine Science, 2021 The growing concerns about the negative effects caused by whale watching on wild cetacean populations are evincing the need to measure whale watching effort more precisely.
Javier Almunia +2 more
doaj +1 more source
Development and Demonstration of a TDOA-Based GNSS Interference Signal Localization System [PDF]
, 2012 Background theory, a reference design, and demonstration results are given for a Global Navigation Satellite System (GNSS) interference localization system comprising a distributed radio-frequency sensor network that simultaneously locates multiple ...
Bhatti, Jahshan A. +2 more
core +1 more source
Structural insights into an engineered feruloyl esterase with improved MHET degrading properties
FEBS Letters, EarlyView.A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa +5 more
wiley +1 more source
Validation of Atmospheric Ducts Inversion Using Automatic Identification System Signals at Sea
IET Microwaves, Antennas & PropagationIn order to verify the feasibility of atmospheric duct inversion method using automatic identification system signal in the actual sea area, a sea experiment was carried out.
Wenlong Tang +3 more
doaj +1 more source
Journal of Marine Science and Engineering, 2023 Fishing boat laws in Korea require fishing boats to be equipped with a location transmitter. Approximately 91% of registered fishing boats have V-pass terminals, whereas those with a gross tonnage of 10 t or more have either V-pass or automatic ...
Bong-Kyu Jung +2 more
doaj +1 more source
Aggressive prostate cancer is associated with pericyte dysfunction
Molecular Oncology, EarlyView.Tumor‐produced TGF‐β drives pericyte dysfunction in prostate cancer. This dysfunction is characterized by downregulation of some canonical pericyte markers (i.e., DES, CSPG4, and ACTA2) while maintaining the expression of others (i.e., PDGFRB, NOTCH3, and RGS5).
Anabel Martinez‐Romero +11 more
wiley +1 more source
Fishes, 2023 Understanding the spatial pattern of human fishing activity is very important for fisheries resource monitoring and spatial management. The environmental preferences of tropical tuna purse seine fleet in the Western and Central Pacific Ocean (WCPO) were ...
Shenglong Yang +6 more
doaj +1 more source
Automatic Identification System modular receiver for academic purposes [PDF]
Radio Science, 2016 AbstractThe Automatic Identification System (AIS) standard is encompassed within the Global Maritime Distress and Safety System (GMDSS), in force since 1999. The GMDSS is a set of procedures, equipment, and communication protocols designed with the aim of increasing the safety of sea crossings, facilitating navigation, and the rescue of vessels in ...
Cabrera, F. +3 more
openaire +2 more sources
Mapping EU fishing activities using ship tracking data
, 2015 Information and understanding of fishing activities at sea are fundamental components of marine knowledge and maritime situational awareness. Such information is important to fisheries science, public authorities and policy makers.
Alessandrini, Alfredo +5 more
core +1 more source