Results 141 to 150 of about 2,223,995 (381)

Single pilot IFR accident data analysis [PDF]

open access: yes
The aircraft accident data recorded and maintained by the National Transportation Safety Board for 1964 to 1979 were analyzed to determine what problems exist in the general aviation single pilot instrument flight rules environment.
Harris, D. F., Morrisete, J. A.
core   +1 more source

Encapsulating Textiles with Dynamic Covalent Networks for Sustainable and Efficient Oil Spill Cleanup

open access: yesAdvanced Science, EarlyView.
By encapsulating industrially relevant fabrics with dynamic imine networks, we show that the resulting composites exhibit exceptional oil absorbtion capability and chemical recyclability. It is poised for sustainable oil spill cleanup. ABSTRACT The development of high‐performance sorbents for oil spill remediation is highly desirable, which now calls ...
Changyi You   +9 more
wiley   +1 more source

Integrated Ultrasound Device for Precision Bladder Volume Monitoring via Acoustic Focusing and Machine Learning

open access: yesAdvanced Science, EarlyView.
We present a conformable wearable ultrasound patch for noninvasive bladder volume monitoring. A flexible PZT array combined with a concave acoustic lens concentrates acoustic energy and improves depth selectivity through the anterior pelvic wall.
Long Long Cao   +4 more
wiley   +1 more source

Products Liability, Consumer Misperceptions, and Market Power [PDF]

open access: yes
This paper compares alternative liability rules for allocating losses from defective products when consumers under- estimate these losses and producers may have some market power.
A. Mitchell Polinsky   +1 more
core  

The prevalence of cocaine-associated chest pain in a London hospital [PDF]

open access: yes, 2004
Objectives: To determine the prevalence of cocaine misuse in patients presenting to an Accident and Emergency department with chest pain.
Bandeeri, N.   +3 more
core  

Safety of Sodium‐Ion Batteries: Evaluation and Perspective from Component Materials to Cells, Modules, and Packs

open access: yesAdvanced Energy Materials, EarlyView.
This review provides a bottom‐up evaluation of sodium‐ion battery safety, linking material degradation mechanisms, cell engineering parameters, and module/pack assembly. It emphasizes that understanding intrinsic material stability and establishing coordinated engineering control across hierarchical levels are vital for preventing degradation coupling ...
Won‐Gwang Lim   +5 more
wiley   +1 more source

Prognostic value of hypercalcemia in COVID‐19 infection: Retrospective cohort study

open access: yesHong Kong Journal of Emergency Medicine
Purpose An increased incidence of hypercalcemia and the proposed prognostic value of calcium have been reported in patients with COVID‐19. We analyzed demographics, calcium levels, laboratory values, and clinical outcomes to determine the impact of ...
Chun Tat Lui   +3 more
doaj   +1 more source

Toward safer highways, application of XGBoost and SHAP for real-time accident detection and feature analysis.

open access: yesAccident Analysis and Prevention, 2019
A. Parsa   +4 more
semanticscholar   +1 more source

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