Results 11 to 20 of about 386,741 (313)

Core PCP mutations affect short-time mechanical properties but not tissue morphogenesis in the Drosophila pupal wing

open access: yeseLife, 2023
How morphogenetic movements are robustly coordinated in space and time is a fundamental open question in biology. We study this question using the wing of Drosophila melanogaster, an epithelial tissue that undergoes large-scale tissue flows during pupal ...
Romina Piscitello-Gómez   +8 more
doaj   +1 more source

Winging it [PDF]

open access: yesCurrent Biology, 2004
SummaryA new book highlights the range of patterns evolved as a defence mechanism by butterflies that resemble aspects of other organisms. Nigel Williams reports.
openaire   +3 more sources

Assessment of wing deformation influence on airload determination at the initial design stages

open access: yesRUDN Journal of Engineering Research, 2020
At designing aircraft, much attention is given to the wing, as one of the most critical elements of the airframe. It is necessary to have a clear-eyed outlook at response sequence, efficiency of various factors and calculation features on the receipt ...
Sergey V. Baranovski   +1 more
doaj   +1 more source

Contribution ofWing, Vertical Tail and Fuselage on Airplane Stability with Failed Outboard Engine [PDF]

open access: yesEngineering and Technology Journal, 2009
The Effect of wing, vertical tail, and fuselage design parameters on airplane stabilitywith failed outboard engine presents in this study. Boeing (747-400) have been selectedfor available data.
Mohamed A. R.Yass   +2 more
doaj   +1 more source

Three-dimensional vortex structure in a wake of a free-flight butterfly

open access: yesNihon Kikai Gakkai ronbunshu, 2016
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
doaj   +1 more source

DEVELOPMENT AND DISTRIBUTION OF THE BRACHIAL PLEXUS IN BLUE-FRONTED PARROT (Amazona aestiva, Linnaeus, 1758

open access: yesCiência Animal Brasileira, 2015
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
doaj   +1 more source

The Evangelical Wing? [PDF]

open access: yesBritish Dental Journal, 2001
The move from NHS general dental practice into the 'bright and shiny' world of the private sector seems to have a very odd effect on some people, somewhat akin to the 'evangelical' conversion that occurs on discovering a new belief system or new way of doing things.
openaire   +2 more sources

Face-à-face avec l’ange : du regard frontal de l’art byzantin au « regard à la caméra »

open access: yesBabel: Littératures Plurielles, 2007
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
doaj   +1 more source

The aerodynamic effects of wing–wing interaction in flapping insect wings

open access: yesJournal of Experimental Biology, 2005
SUMMARYWe employed a dynamically scaled mechanical model of the small fruit fly Drosophila melanogaster (Reynolds number 100–200) to investigate force enhancement due to contralateral wing interactions during stroke reversal (the `clap-and-fling'). The results suggest that lift enhancement during clap-and-fling requires an angular separation between ...
Lehmann, Fritz-Olaf   +2 more
openaire   +3 more sources

STUDY THE CHARACTERISTICS OF SMALL AND VERY SMALL SPAN WINGS, USED ON SHIPS [PDF]

open access: yesFiabilitate şi Durabilitate, 2011
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
doaj  

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