Results 171 to 180 of about 189,174 (279)

Helicopters [PDF]

Nature, 1921
openaire   +2 more sources

Nonlinear controller design for unmanned helicopter flight platform. [PDF]

Sci Rep
Ruchun W.
europepmc   +1 more source

Impact of Incidental High Ocean Waves on Topographical Changes in the Adélie Penguin Colony at Edmonson Point on the Northern Victoria Land Coast, Antarctica

New Zealand Journal of Geology and Geophysics, Volume 69, Issue 1, March 2026.
Natural disaster‐driven environmental changes can have both direct and indirect effects on seabird breeding and nesting conditions. Edmonson Point, located on the Victoria Land coast in the Ross Sea, hosts around 3000 pairs of Adélie penguins (Pygoscelis adeliae), divided between coastal and hillside subcolonies differing in topography.
Youmin Kim, Younggeun Oh, Jong‐U. Kim, Jeong‐Hoon Kim   +3 more
wiley   +1 more source

Selection of helicopter bases and transport modes to minimize pre-hospital times in Iceland. [PDF]

Scand J Trauma Resusc Emerg Med
Nguyen P, Dúason S, Gunnarsson B, Ingólfsson Á.   +3 more
europepmc   +1 more source

The cost of applying current helicopter external noise reduction methods while maintaining realistic vehicle performance [PDF]

Analytical methods were developed and/or adopted for calculating helicopter component noise, and these methods were incorporated into a unified total vehicle noise calculation model.
Bowes, M. A.
core   +1 more source

Glacier‐Atmosphere Interactions and Feedbacks in High‐Mountain Regions ‐ A Review

Reviews of Geophysics, Volume 64, Issue 1, March 2026.
Abstract Mountain glaciers are among the natural systems most vulnerable to climate change. However, their interactions with the atmosphere are complex and not fully understood. These interactions can trigger rapid adjustments and climate feedbacks that either amplify or attenuate atmospheric signals, influencing both glacier response and large‐scale ...
T. Sauter, B. W. Brock, E. Collier, B. Goger, A. R. Groos, K. F. Haualand, R. Mott, L. Nicholson, R. Prinz, T. E. Shaw, I. Stiperski, A. Georgi, M. Haugeneder, A. Mandal, D. Reynolds, M. Saigger, J. E. Sicart, A. Voordendag   +17 more
wiley   +1 more source

Micro-Doppler radar deception and camouflage of airborne targets. [PDF]

Sci Rep
Kozlov V, Sheleg A, Vovchuk D, Melnitsky R, Glam A, Boag A, Ginzburg P.   +6 more
europepmc   +1 more source

“You Are Safe Now”: Migrant Youth Constructions of Safety and Schooling in the U.S.

Anthropology &Education Quarterly, Volume 57, Issue 1, March 2026.
ABSTRACT Drawing on multisited ethnographic research with migrant families from Brazil, El Salvador, Guatemala, and Honduras who were detained, separated, or endured prolonged transit due to US immigration policies, we articulate how ideas of “relational safety” are situated in relationships with people, place, and time. Contrasting abundant literature
Michelle J. Bellino, Gabrielle Oliveira
wiley   +1 more source

Medical evacuations by search and rescue helicopters in the Barents Sea. [PDF]

Scand J Trauma Resusc Emerg Med
Aune S, Wisborg T, Iversen HR, Raatiniemi L.   +3 more
europepmc   +1 more source

When protection leads to insecurity: Examining the cross‐lagged relationship between overparenting and attachment style

Asian Journal of Social Psychology, Volume 29, Issue 1, March 2026.
Abstract Adolescence marks an important stage in attachment development, during which parental parenting plays a significant role in shaping adolescent outcomes. This study explored the bidirectional relationship between parental overparenting and adolescents' attachment style.
Xiaohang Luo, Ziyan Zhou, Fan Yang, Yuting Wang, Menghao Ren, Ling Zhou   +5 more
wiley   +1 more source