Results 131 to 140 of about 44,118 (256)
Rotorcraft flight-propulsion control integration: An eclectic design concept [PDF]
The NASA Ames and Lewis Research Centers, in conjunction with the Army Research and Technology Laboratories, have initiated and partially completed a joint research program focused on improving the performance, maneuverability, and operating ...
Ballin, Mark G. +2 more
core +1 more source
Water Resources Research, Volume 62, Issue 5, May 2026.Abstract Information on river velocities enhances understanding flood hazards, evaluating habitat conditions, and predicting the transport of floating materials. In this follow‐up study, we used data from two new sites, one with a more complex morphology and the other with a lower suspended sediment concentration, to provide further evidence that ...
Carl J. Legleiter +3 more
wiley +1 more source
Transfusion, Volume 66, Issue S1, Page S98-S105, May 2026.Abstract Background Rapid access to surgical care has demonstrated a survival benefit in trauma. We sought to describe a state's trauma system with a single Level one trauma center. Study Design and Methods All available trauma encounters from 2015 to 2023 were classified as direct from scene and transfer cohorts.
Andrew D. Fisher +6 more
wiley +1 more source
Helicopter anti-torque system using fuselage strakes [PDF]
, 1987 The improvement of the helicopter torque control system is discussed. At low to medium forward speeds helicopter performance is limited by the effectiveness of the means for counteracting main rotor torque and controlling sideslip airloads.
Kelley, Henry L., Wilson, John C.
core +1 more source
Transfusion, Volume 66, Issue S1, Page S130-S139, May 2026.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 +11 more
wiley +1 more source
A simplified dynamic model of the T700 turboshaft engine [PDF]
A simplified open-loop dynamic model of the T700 turboshaft engine, valid within the normal operating range of the engine, is developed. This model is obtained by linking linear state space models obtained at different engine operating points.
Duyar, Ahmet +2 more
core +1 more source
Xenoperfusion—The Transformative Role of Machine Perfusion in Xenotransplantation
Xenotransplantation, Volume 33, Issue 3, May/June 2026.ABSTRACT Recent advances in xenotransplantation have gained substantial public and clinical attention as genetically modified porcine organs are now being transplanted into living human recipients. While only case reports have been published to date, the first clinical trials for kidney xenotransplantation are now ongoing.
Florian Huwyler +3 more
wiley +1 more source
Conceptual design and optimization of a sustainable and environmentally friendly archetypal helicopter within the selection criteria and limitations. [PDF]
Heliyon, 2023 Gunaltili E +6 more
europepmc +1 more source
Rotorcraft aviation icing research requirements: Research review and recommendations [PDF]
The status of rotorcraft icing evaluation techniques and ice protection technology was assessed. Recommendations are made for near and long term icing programs that describe the needs of industry.
Bevan, A., Dadone, L., Peterson, A. A.
core +1 more source
A new helicostat from SNIAS helicopter division [PDF]
The Helicostat was described as a helicopter in which the vehicle weight is nullified by two balloons arranged in a catamaran fashion.
Morisset, J.
core +1 more source