Results 161 to 170 of about 189,174 (279)

Helicopters．

Helicopters．
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Rotorcraft handling-qualities design criteria development [PDF]

Joint NASA/Army efforts at the Ames Research Center to develop rotorcraft handling-qualities design criteria began in earnest in 1975. Notable results were the UH-1H VSTOLAND variable stability helicopter, the VFA-2 camera-and-terrain-board simulator ...
Aiken, Edwin W., Chen, Robert T. N., Key, David L., Lebacqz, J. Victor   +3 more
core   +1 more source

Unequal access to timely care: Geographic variation in prehospital time among injured patients at risk of hemorrhagic shock

Transfusion, EarlyView.
Abstract Background Hemorrhage remains the leading cause of preventable traumatic deaths, with many fatalities occurring before hospital arrival. Although geographic differences in prehospital time (PHT) are recognized, contemporary national estimates and their implications for resuscitation readiness are not well defined.
Pawan Acharya, Timothy Hurson, Chandler Annesi, Christine Carico, Daniel Lammers, N. Clay Mann, Matthew Levy, Molly P. Jarman, Jeffrey D. Kerby, Jan O. Jansen, John B. Holcomb, Zain G. Hashmi   +11 more
wiley   +1 more source

The chain mediating role of consolidated helicopter parenting and impulsivity in the physical activity to adolescent aggressive behavior. [PDF]

Sci Rep
Liu M, Chen J, Qiu J, Chen W, Tang S, Zhou Z.   +5 more
europepmc   +1 more source

Feasibility and safety of automated chest compression during helicopter rescue with hoisting. [PDF]

Resusc Plus
Carron A, Brenckmann V, Behouche A, Bouzat P, Barlet L, Meyzenc J, Blancher M, Berthelot K, Debaty G, Segond N.   +9 more
europepmc   +1 more source

Fossil Hegemony and Capitalist Realism in Tropic of Orange

Future Humanities, Volume 4, Issue 1, May 2026.
ABSTRACT This article examines Karen Tei Yamashita's Tropic of Orange (1997) through the lens of Mark Fisher's influential concept ‘capitalist realism’. Scholars of petrofiction have pointed to a political ambivalence in the representation of fossil fuels, where a better understanding of fossil capital can overwhelm as much as galvanize.
Claire Ravenscroft
wiley   +1 more source

Impact of Helicopter Vibrations on In-Ear PPG Monitoring for Vital Signs-Mountain Rescue Technology Study (MoReTech). [PDF]

Sensors (Basel)
Benkert A, Bludau J, Boborzi L, Prueckner S, Schniepp R.   +4 more
europepmc   +1 more source

A real-time digital computer program for the simulation of a single rotor helicopter [PDF]

A computer program was developed for the study of a single-rotor helicopter on the Langley Research Center real-time digital simulation system. Descriptions of helicopter equations and data, program subroutines (including flow charts and listings), real ...
Gibson, L. H., Houck, J. A., Steinmetz, G. G.   +2 more
core   +1 more source

“We Have Come to Offer Something Which (They) Were Not Even Looking for”: U.S. Christian Conservative Evangelical Faith Missions in the Ecuadorian Upper Amazon

The Journal of American Culture, EarlyView.
Diego Mauricio Cortés
wiley   +1 more source

Physical Characteristics of Fast Roping in British Elite Law Enforcement Officers

European Journal of Sport Science, Volume 26, Issue 3, March 2026.
ABSTRACT Elite law enforcement and special forces operators around the world have a unique skill set, including some risky methods of entry into a scene of operation. With fast roping being actively utilized by this population, it is important to gain an understanding of the physical demands of the task.
Joseph Warwick, Sarita Harris, Hannah Ranger, Paul Read, Flaminia Ronca   +4 more
wiley   +1 more source