Results 131 to 140 of about 30,707 (258)

Ecological Problems in Civil Aviation

open access: yes
In order to reduce the negative effect of aviation on the environment, the authors offer to carry out a preventive cleaning of aircraft external surface using special means of engineering processes mechanization and ...
Urbahs, Aleksandrs   +2 more
core  

Observations of Electric Fields Sounding in the Mature Stage of a Thunderstorm

open access: yesGeoscience Data Journal, Volume 13, Issue 3, July 2026.
Successive electric field soundings separated by only 6 min provided a rare view of charge structure of a mature thunderstorm. The observations reveal horizontally inhomogeneous charge regions, an unusually deep upper negative layer, and charge features that cannot be readily explained by current thunderstorm electrification mechanisms. ABSTRACT In the
Xinglu Jiang   +6 more
wiley   +1 more source

Crashworthiness : an illustrated commentary on occupant survival in general aviation accidents.

open access: yes
This report is an illustrated commentary on crash survival in general aviation aircraft. Photographs, drawings, and discussion present some basic concepts of crash forces; mechanisms of injury to occupants; and the roles of shoulder harnesses, lapbelts ...
Wicks, S. Marlene   +3 more
core  

Criminal legal protection of safety of civil aviation under the legislation of Ukraine (art. 276-282 of CC of Ukraine)

open access: yes, 2018
This article examines the definition of the term “crimes in the field of civil aviation”. The authors propose to predict the safety of civil aviation as a separate object of criminal law protection. The article gives a comprehensive and clear idea of the
Семчук, Наталя   +1 more
core  

Formal Approach to Safety‐Driven Dynamic Procedure Modeling

open access: yesSystems Engineering, Volume 29, Issue 4, July 2026.
ABSTRACT Ensuring the safety of unmanned aerial systems (UAS) is a growing concern as the number of UAS grows increasingly fast. Regulatory bodies are in the process of tackling this problem by issuing standards and recommendations to be met by UAS designers.
Jean‐Charles Chaudemar   +3 more
wiley   +1 more source

Practice of international safety management of civil aircraft in law of the People's Republic of China

open access: yesRUDN Journal of Law, 2010
The article analyzes the current legal problems regulating international civil aviation flights in China, is determined by compliance with national laws on international flights to the Convention on International Civil Aviation 1944 (Chicago Convention).
- Liu Xin
doaj  

In situ aerial bioacoustic monitoring from extremely noisy drone recordings

open access: yesMethods in Ecology and Evolution, Volume 17, Issue 7, Page 2061-2072, July 2026.
Abstract Aerial bioacoustic monitoring has the potential to transform biodiversity surveys by enabling rapid acoustic sampling across large and inaccessible habitats. However, its application from unmanned aerial vehicles (UAVs) has remained limited because strong rotor self‐noise overwhelms target sounds such as bird vocalisations, compromising the ...
Lin Wang   +2 more
wiley   +1 more source

Incorporating County‐Level Spatial Resolution in Maize Life Cycle Emissions Analysis in Illinois, USA

open access: yesGCB Bioenergy, Volume 18, Issue 7, July 2026.
Spatial life cycle analysis (LCA) shows that the carbon intensity (CI) of maize grain used for ethanol production in Illinois, USA varies across the state, with an average carbon intensity of 14%–17% lower than the national average used in policy decisions.
Frank G. Dohleman   +3 more
wiley   +1 more source

Quantifying Southern Sea Otter (Enhydra lutris nereis) Reactions to a Quadcopter Drone in Central California

open access: yesMarine Mammal Science, Volume 42, Issue 3, July 2026.
ABSTRACT Drones are useful for wildlife research and management, but they can cause disturbance and harassment to wildlife. Sea otters (Enhydra lutris) are candidates for drone‐based observation and monitoring but are vulnerable to disturbance. No studies have evaluated drone effects on sea otter behavior, but based on prior disturbance studies, we ...
Colleen Young   +5 more
wiley   +1 more source

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