Showing 2,161 - 2,180 results of 2,815 for search '"helicopters"', query time: 0.13s Refine Results
  1. 2161

    Geology of Elu Inlet and Melville Sound, Nunavut, Arctic Canada by Alessandro Ielpi, Robert H. Rainbird, J. Wilder Greenman, C. Gabriel Creason

    Published 2017-11-01
    “…We present the results of helicopter- and field-based geological mapping of Elu Inlet and Melville Sound, Kitikmeot Region of Nunavut, Arctic Canada. …”
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    Article
  2. 2162

    Design and Test Evaluation of Full Authority Digital Electronic Control System for an Auxiliary Power Unit

    Published 2018-12-01
    “…A helicopter auxiliary power unit (APU) is initially equipped with a hydro-mechanical control system (HMC). …”
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    Article
  3. 2163

    Vibration and stability analyses of functionally graded beams by Burak Kılıç, Özge Özdemir

    Published 2021-04-01
    “…Design considerations, material properties and dynamic properties of engineering applications, rotating components, turbine blades, helicopter blades, etc., have significant effects on system efficiency. …”
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    Article
  4. 2164

    PERFORMANCE EVALUATION OF A LIGHT-WEIGHT MULTI-ECHO LIDAR FOR UNMANNED ROTORCRAFT APPLICATIONS by G. Conte, A. Kleiner, P. Rudol, K. Korwel, M. Wzorek, P. Doherty

    Published 2013-08-01
    “…<br><br> The ALS system and camera systems were mounted on-board an industrial unmanned helicopter of around 100 kilograms maximum take-off weight. …”
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    Article
  5. 2165

    Environmental Sound Classification: A descriptive review of the literature by Anam Bansal, Naresh Kumar Garg

    Published 2022-11-01
    “…Classifying environmental sounds such as glass breaking, helicopter, baby crying and many more can aid in surveillance systems as well as criminal investigations. …”
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    Article
  6. 2166

    Expert group syndrome at high altitude by Jean-Paul Richalet, Marie-Anne Magnan, Alice Gavet, Pierre Lafère

    Published 2022-09-01
    “…Fortunately, the very rapid management of the patient and a rapid helicopter evacuation, as soon as the symptoms worsened towards the onset of a suspected high altitude cerebral and/or pulmonary edema, allowed rapid resolution without sequelae. …”
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    Article
  7. 2167

    Approximate methods of H-infinity control of nonlinear dynamic systems output by Panteleev Andrei, Yakovleva Aleksandra

    Published 2022-01-01
    “…To illustrate the application of the methods, the problem of stabilization of the ZD559-Lynx helicopter, whose flight takes place during the imposed time period of the system operation, was considered.…”
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    Article
  8. 2168

    Tiger attack at a Japanese safari park: a case report by Kouichi Fujii, Jin Kikuchi, Masatoshi Uchida, Masanari Machida, Midori Tsuchiya, Kentaro Hayashi, Nana Maekawa, Hajime Houzumi, Arata Honda, Koji Wake

    Published 2023-11-01
    “…She was quickly transported to our university hospital by ambulance helicopter. The keeper was severely bitten on the head and face and had wounds all over her body. …”
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    Article
  9. 2169

    Sanitary aviation in post-war Poland – historical outline by Robert Wit Rezner

    Published 2019-09-01
    “…Conclusions Presently the formation owns modern aircraft and equipment compliant with worldwide standards of HEMS Helicopter Emergency Medical Service.…”
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    Article
  10. 2170

    Entropy-based detached-eddy simulation of the airwake over a simple frigate shape by Zhao Rui, Rong Ji-Li, Li Hai-Xu, Zhao Peng-Cheng

    Published 2015-11-01
    “…Determination of this complex flow can assist in the definition of safe ship–helicopter operating limits and future ship design.…”
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    Article
  11. 2171

    Theoretical Investigation of Mesh Relationship and Mesh Stiffness of Internal Spur Gears with Tooth Wear by Yanan Wang, Keyuan Li, Baijie Qiao, Zhixian Shen, Xuefeng Chen

    Published 2023-02-01
    “…The internal gear is part of the planetary and epicyclic gear pairs in the transmission system of the helicopter. Gear tooth wear is one of the most usual gear failures. …”
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    Article
  12. 2172

    Traceable calibration of a horizontally polarised reference antenna with omnidirectional pattern at VHF frequencies for ILS field strength validation by T. Schrader, T. Kleine-Ostmann, J. Bredemeyer

    Published 2013-07-01
    “…This antenna is used as a validation tool for absolute field strength measurements at the localizer transmitter of an instrument landing system (ILS) at airports and is carried by a helicopter. We investigate whether we can treat it as a dipole-like antenna in the calibration setup despite its disk-shape body. …”
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    Article
  13. 2173

    Transfer of spin angular momentum to a dielectric particle by V.V. Kotlyar

    Published 2020-06-01
    “…We show here that in the sharp focus of a linearly polarized laser beam the spin vector flux has only transverse components (the effect of photonic wheels or photonic helicopter). For a linearly polarized optical vortex, the orbit-spin conversion leads to the appearance of both longitudinal and transverse components of the spin density vector in the focus. …”
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    Article
  14. 2174

    Modern weapons and military equipment for Issue 3/2014 by Mladen R. Tišma

    Published 2014-06-01
    “…<p>Israel launches new spy satellite;</p><p>Production standard AH-6i completed the first flight;</p><p>Sikorsky took demonstration optionally unmanned helicopter based on the Black Hawk;</p><p>The successful launch of the new Indian air-to-air missile Astra aircraft Su-30MKI; T</p><p>he prototype of the new Japanese fighter planes take off this year;</p><p>First flight of MC-27J gunship;</p><p>An-70 passed the Ukrainian state tests;</p><p>Iran unveils new air defence missile system;</p><p>U.S. …”
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    Article
  15. 2175

    A case of severe hemorrhagic shock caused by traumatic avulsion of uterine fibroid by Kazuki Mashiko, Yoshiaki Hara, Hiroshi Yasumatsu, Taichiro Ueda, Mariko Yamamoto, Yutaka Funaki, Yasuko Toshimitsu, Yukari Kawaguchi

    Published 2022-12-01
    “…Case presentation: A 40-year-old woman was injured in a motor vehicle accident. Physician-staffed helicopter emergency medical service (HEMS) was dispatched, and after the HEMS physician performed thoracostomy and tracheal intubation to relieve the tension pneumothorax and hemorrhagic shock, her carotid artery became unpalpable. …”
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    Article
  16. 2176

    Overview of Curcumin and Piperine Effects on Glucose Metabolism: The Case of an Insulinoma Patient’s Loss of Consciousness by Simona Servida, Elena Panzeri, Laura Tomaino, Giovanni Marfia, Emanuele Garzia, Giuseppe Ciniglio Appiani, Gianluca Moroncini, Vito De Gennaro Colonna, Carlo La Vecchia, Luisella Vigna

    Published 2023-04-01
    “…In this article, we further discuss a previously reported case of a helicopter pilot, affected by grade I obesity who, under curcumin and piperine treatment, experienced a transient loss of consciousness (TLOC), during a low-altitude flight. …”
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    Article
  17. 2177

    Gearbox damage identification using Ensemble Empirical Decomposition method by Jonak Kamil, Syta Arkadiusz

    Published 2019-01-01
    “…In this article, we have conducted a comparative analysis of vibration signals from helicopter aircraft propulsion transmissions, registered on an industrial research stand. …”
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    Article
  18. 2178

    Characterization of a regional coastal zone aquifer using an interdisciplinary approach – an example from Weser-Elbe region, Lower Saxony, Germany by Rahman Mohammad Azizur, González Eva, Wiederhold Helga, Deus Nico, Elbracht Jörg, Siemon Bernhard

    Published 2018-01-01
    “…No general classification of groundwater quality (according to some piper diagrams) could be identified. Helicopter-borne electro-magnetic data clearly show the presence of freshwater reserves below the sea near the west coast. …”
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    Article
  19. 2179

    Aerodynamics and Impact Simulation of an Air-Dropped Ice Penetrator by Poe, Daniel Pekka

    Published 2022
    “…Dropping a seismic probe from a helicopter offers several advantages over sending out a conventional crewed mission, such as reduced transit time and access to hard-to-reach locations. …”
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    Thesis
  20. 2180

    Nonlinear dynamic inversion controller for a ducted-fan UAV by Aruneshwaran Rajashekaran.

    Published 2013
    “…This vehicle takes off like a helicopter performs an 11 degree transition and moves forward performing a horizontal flight without any loss in altitude. …”
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    Thesis