Results 141 to 150 of about 219,808 (321)

Problems of Safety in Aviation [PDF]

open access: diamond, 2008
Adam Bagiński, J. Żurek
openalex   +1 more source

Improving the flame retardancy of epoxy resin by incorporating a novel vanillin-based flame retardant

open access: yesNext Materials
Traditional bisphenol A epoxy resin was modified with a vanillin-based flame retardant by facial blending method. The effects of vanillin-based flame retardant on the thermal stability, flame retardancy, and mechanical properties of epoxy resin were ...
Maoyong Zhi   +3 more
doaj   +1 more source

Prospective Safety Analysis and the Complex Aviation System [PDF]

open access: yes
Fatal accident rates in commercial passenger aviation are at historic lows yet have plateaued and are not showing evidence of further safety advances. Modern aircraft accidents reflect both historic causal factors and new unexpected "Black Swan" events ...
Smith, Brian E.
core   +1 more source

AH-YOLO: An Improved YOLOv8-Based Lightweight Model for Fire Detection in Aircraft Hangars

open access: yesFire
As high-specification structures, civil aircraft hangars face significant fire risks, including rapid fire propagation and challenging rescue operations.
Li Deng, Zhuoyu Wang, Quanyi Liu
doaj   +1 more source

NASA's Aviation Safety and Modeling Project [PDF]

open access: yes
The Aviation Safety Monitoring and Modeling (ASMM) Project of NASA's Aviation Safety program is cultivating sources of data and developing automated computer hardware and software to facilitate efficient, comprehensive, and accurate analyses of the data ...
Chidester, Thomas R., Statler, Irving C.
core   +1 more source

Sustainability in Radiology: Position Paper and Call to Action From ACR, AOSR, ASR, CAR, CIR, ESR, ESRNM, ISR, IS3R, RANZCR, and RSNA

open access: yesJournal of Medical Imaging and Radiation Oncology, EarlyView.
ABSTRACT The urgency for climate action is recognised by international government and healthcare organisations, including the United Nations (UN) and World Health Organisation (WHO). Climate change, biodiversity loss, and pollution negatively impact all life on earth. All populations are impacted but not equally; the most vulnerable are at highest risk,
Andrea G. Rockall   +14 more
wiley   +1 more source

Outsmarting sanctions

open access: yesAmerican Ethnologist, EarlyView.
Abstract In 2012 the UN Security Council and the European Union bolstered US economic sanctions on Iran, disembedding the country's economy from financial markets. Since then, the sanctions have radically devalued Iran's currency, leading Iranians to seek a viable standard of value elsewhere. They have done so through ghachagh (fugitive) configurations
Emrah Yıldız
wiley   +1 more source

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