Results 21 to 30 of about 1,618,021 (303)
Three-dimensional vortex structure in a wake of a free-flight butterfly
A number of studies on not only the mechanism of insect flight but also the flow field around insect wings have been performed. Especially, a number of recent studies have examined the flow field around insect wings using experimental and numerical ...
Masaki FUCHIWAKI, Kazuhiro TANAKA
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Local anesthetic procedures are commonly used in domestic and wild birds, because of its low cost and fast induction, as long as applied with great precision, which requires specific anatomical knowledge of the site of incision.
Rayssa Marley Nóbrega da Silva +2 more
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Face-à-face avec l’ange : du regard frontal de l’art byzantin au « regard à la caméra »
The frontal, hieratic gaze of the Byzantine and, later, Romanic angel in Christian iconography fades away as humanism triumphs during the Renaissance. The angel looks away from the spectator, reflecting changes in religious and ideological practice and ...
Sandra Gorgievski
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STUDY THE CHARACTERISTICS OF SMALL AND VERY SMALL SPAN WINGS, USED ON SHIPS [PDF]
This scientific work presents the way in which the small, and very small span wings can be obtainedstarting from the great span wings and using the two scales of the similarity theory.
Beazit ALI, Gheorghe SAMOILESCU
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REPAIR TECHNOLOGY OF THE COMPOSITE WING OF A LIGHT PLANE DAMAGED DURING AN AIRCRAFT CRASH [PDF]
The increasing use of composite structures in aircraft constructions has made it necessary to develop repair methods that will restore the component’s original design strength without compromising its structural integrity.
Andrzej ŚWIĄTONIOWSKI +2 more
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Biological Control of Spotted-Wing Drosophila (Diptera: Drosophilidae)—Current and Pending Tactics
Spotted-wing drosophila, Drosophila suzukii (Matsumura) (Diptera: Drosophilidae) is originally from Asia, and in the last decade it has become a global economic pest of small fruits and cherries.
Jana C. Lee +6 more
semanticscholar +1 more source
ASPECTS RELATED TO THE PROPULSION HYDRAFOIL SHIPS [PDF]
In this paper, we analyze some aspects related to the propulsion of hydrofoil ships. They are very important for the success of the mission if they are military ships and for cargo security, if they are civilian transport ships, especially when ...
Levent ALI +3 more
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Flutter widely happens on solar-powered aircraft due to the slight stiffness and large deformation, so that it is significant to establish the dynamic model of solar-powered aircraft and analyze the flutter characteristics.Firstly, an initial dynamic ...
Mao Yiqing, Yang Fei, Gu Yingsong
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Wing Structure of the Next-Generation Civil Tiltrotor: From Concept to Preliminary Design
The main objective of this paper is to describe a methodology to be applied in the preliminary design of a tiltrotor wing based on previously developed conceptual design methods.
Marika Belardo +10 more
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Interference Analysis of Rotor and Wing of Compound Vertical Takeoff and Landing Fixed Wing UAV
The composite vertical take-off and landing fixed-wing UAV(Unmanned Airial Vehical) is a compound UAV with the performance of multi-rotor UAV and fixed-wing UAV, the aerodynamic interaction between rotor and wing of this kind of UAV is complex, and its ...
Zhang Fei, Wang Yun, Tan Kun
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