Results 1 to 10 of about 80,023 (370)

SOLID PROPELLANTS [PDF]

open access: yesRubber Chemistry and Technology, 2019
ABSTRACTSolid propellants are energetic materials used to launch and propel rockets and missiles. Although their history dates to the use of black powder more than two millennia ago, greater performance demands and the need for “insensitive munitions” that are resistant to accidental ignition have driven much research and development over the past half-
Mason, B.P., Roland, C.M.
openaire   +3 more sources

Propeller Flaps

open access: yesIndian Journal of Plastic Surgery, 2022
AbstractA propeller flap is an islanded flap that reaches the recipient site through an axial rotation around its vascular axis. The degree of rotation varies from 90 degrees to 180 degrees. It is a highly reliable local reconstructive option. These flaps are simple, single-stage, easy to harvest, and not constrained by routine length-to-width ratios ...
Nikhil Panse, Ankur Karanjkar
openaire   +3 more sources

THE PROPELLER AND THE FROG [PDF]

open access: yesThe Astrophysical Journal, 2010
"Propellers" in planetary rings are disturbances in ring material excited by moonlets that open only partial gaps. We describe a new type of co-orbital resonance that can explain the observed non-Keplerian motions of propellers. The resonance is between the moonlet underlying the propeller, and co-orbiting ring particles downstream of the moonlet where
Eugene Chiang, Margaret Pan
openaire   +3 more sources

Infigratinib in children with achondroplasia: the PROPEL and PROPEL 2 studies

open access: yesTherapeutic Advances in Musculoskeletal Disease, 2022
Background: Achondroplasia is the most common short-limbed skeletal dysplasia resulting from gain-of-function pathogenic variants in fibroblast growth factor receptor 3 ( FGFR3) gene, a negative regulator of endochondral bone formation. Most treatment options are symptomatic, targeting medical complications.
Ravi Savarirayan   +25 more
openaire   +8 more sources

The Screw Propeller [PDF]

open access: yesProceedings of the Institution of Automobile Engineers, 1915
n ...
openaire   +3 more sources

Introduction to “Propeller Flaps” [PDF]

open access: yesSeminars in Plastic Surgery, 2020
AbstractThe editors of this issue of Seminars in Plastic Surgery dedicated to propeller flaps met in 2009 at the “1st Tokyo Meeting on Perforator and Propeller Flaps.” On that occasion, as part of the advisory panel of the meeting, they contributed to the definition and classification of these flaps.
Pignatti, M, Hallock, GG
openaire   +3 more sources

On the screw propeller [PDF]

open access: yesJournal of the Franklin Institute, 1883
n ...
openaire   +2 more sources

Propelled microprobes in turbulence [PDF]

open access: yesPhysical Review Fluids, 2018
12 pages, 7 figures ...
Calzavarini, E.   +3 more
openaire   +5 more sources

On the Turbine Propeller [PDF]

open access: yesRoyal United Services Institution. Journal, 1871
n ...
openaire   +2 more sources

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