Results 101 to 110 of about 444,086 (291)

Reassessment of aviation risk safety barriers using stochastic and lexical uncertainty

open access: yesScientific Reports
Results of many investigations and statistical data indicate that aircraft accidents are an iceberg phenomenon for understanding the gap among traffic management, operations, and aviation systems.
Hendri Saputra, Sutanto Soehodho
doaj   +1 more source

Tomtit‐Raven Evolutionary Selector‐Reinforced Attention‐Driven: A High‐Performance and Computationally Efficient Cyber Threat Detection Framework for Smart Grids

open access: yesEnergy Science &Engineering, EarlyView.
Overview of the proposed work. ABSTRACT Identifying cyber threats maintains the security and operational stability of smart grid systems because they experience escalating attacks that endanger both operating data reliability and system stability and electricity grid performance.
Priya R. Karpaga   +3 more
wiley   +1 more source

ersonal smart travel agent for empowering persons with disabilities using public transport [PDF]

open access: yesTransport Problems, 2015
Today's public transport is not easy to use by people having mental problems or those who are disabled. Traffic planning today is powered by online time tables calculating the optimal way to use public transport in terms of time and costs.
Jörn SCHLINGENSIEPEN   +4 more
doaj  

Green Heterogeneous Cloud Radio Access Networks: Potential Techniques, Performance Tradeoffs, and Challenges

open access: yes, 2017
As a flexible and scalable architecture, heterogeneous cloud radio access networks (H-CRANs) inject strong vigor into the green evolution of current wireless networks.
Jiang, Tao   +3 more
core   +1 more source

Toxic Metals in Dried Marine Fish and Implications for Human Health in Bangladesh and Exporting Countries

open access: yesFood Safety and Health, EarlyView.
This study assessed toxic metals in five dried marine fish species from Bangladesh. Although most metals were within safe limits, chromium (Cr) consistently exceeded FAO/WHO standards, especially at Kuakata Beach. The findings highlight localized contamination hotspots and species‐specific bioaccumulation, while risk assessment supports the safety and ...
Shapla Khatun   +7 more
wiley   +1 more source

The Hidden Human Factors in Unmanned Aerial Vehicles [PDF]

open access: yes, 2008
In April 2006, an Unmanned Aerial Vehicle crashed near Nogales, Arizona. This incident is of interest because it triggered one of the most sustained studies into the causes of failure involving such a vehicle.
Johnson, C.W.
core  

The Effect of Voluntary Staying at Home on Japanese Female Suicide During the COVID‐19 Pandemic

open access: yesHealth Economics, EarlyView.
ABSTRACT In Japan, female suicide increased during the COVID‐19 pandemic. This study evaluated how pandemic‐related home confinement affected female suicide. We employed a shift‐share instrumental variable design to assess whether differential exposure to the pandemic caused changes in suicide incidence.
Yoko Ibuka   +3 more
wiley   +1 more source

Soil compaction in progressive agricultural tractor treads

open access: yesRevista Brasileira de Engenharia de Biossistemas
Soil compaction is one of the main problems in world agriculture. It is known that, even in soil conservation management, such as in no-till, the transit of agricultural machinery damages the soil structure, therefore, it is essential to better ...
Aldir Carpes Marques Filho   +4 more
doaj   +1 more source

EVALUATION OF EMERGENCY EVENTS AT THE TRANSPORTATION OF DANGEROUS GOODS IN THE CONTEXT OF THE TECHNOGENIC LOAD IN REGIONS

open access: yesNauka ta progres transportu, 2018
Purpose. The paper aimed at analysis of the current state of railway traffic safety at the transportation of dangerous goods, as well as the assessment of emergency events and the level of security based on statistical analysis. Methodology.
Y. V. Buts   +3 more
doaj   +1 more source

High-Speed Rail Projects in the United States: Identifying the Elements of Success-Part 2, MTI 06-03 [PDF]

open access: yes, 2006
In August 2005, the Mineta Transportation Institute issued the report, High-Speed Rail Projects in the United States: Identifying the Elements for Success.
De Cerreno, Allison L. C.   +1 more
core   +1 more source

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