Results 71 to 80 of about 10,620,539 (340)

Experimental and numerical study on axial impact loading of pultruded composite tubes [PDF]

open access: yes, 2007
The application of fibre reinforced composites has been increasing in the area of impact and blast loading of structures. The major advantages of these materials over metals are higher specific energy absorption, more economical, low weight and less ...
Palanivelu, Sivakumar
core   +1 more source

Absorption and Emission Spectra of an higher-dimensional Reissner-Nordstr\"{o}m black hole

open access: yes, 2005
The absorption and emission problems of the brane-localized and bulk scalars are examined when the spacetime is a $(4+n)$-dimensional Reissner-Nordstr\"{o}m black hole.
't Hooft   +60 more
core   +1 more source

Ultrahigh Energy Absorption Multifunctional Spinodal Nanoarchitectures

open access: yesSmall, 2019
AbstractNanolattices are promoted as next‐generation multifunctional high‐performance materials, but their mechanical response is limited to extreme strength yet brittleness, or extreme deformability but low strength and stiffness. Ideal impact protection systems require high‐stress plateaus over long deformation ranges to maximize energy absorption ...
Anna Guell Izard   +4 more
openaire   +3 more sources

Energy absorption of origami inspired structures and materials

open access: yes, 2020
Origami structures are commonly constructed by folding a two-dimensional sheet according to a given crease pattern. The existence of abundant crease patterns means that many three-dimensional structures can be fabricated by using a variety of sheet ...
X. Xiang, G. Lu, Z. You
semanticscholar   +1 more source

Infrared laser sampling of low volumes combined with shotgun lipidomics reveals lipid markers in palatine tonsil carcinoma

open access: yesMolecular Oncology, EarlyView.
Nanosecond infrared laser (NIRL) low‐volume sampling combined with shotgun lipidomics uncovers distinct lipidome alterations in oropharyngeal squamous cell carcinoma (OPSCC) of the palatine tonsil. Several lipid species consistently differentiate tumor from healthy tissue, highlighting their potential as diagnostic markers.
Leonard Kerkhoff   +11 more
wiley   +1 more source

Effect of Native Defects on Optical Properties of InxGa1-xN Alloys

open access: yes, 2005
The energy position of the optical absorption edge and the free carrier populations in InxGa1-xN ternary alloys can be controlled using high energy 4He+ irradiation.
Ager III, J. W.   +8 more
core   +3 more sources

Peroxidasin enables melanoma immune escape by inhibiting natural killer cell cytotoxicity

open access: yesMolecular Oncology, EarlyView.
Peroxidasin (PXDN) is secreted by melanoma cells and binds the NK cell receptor NKG2D, thereby suppressing NK cell activation and cytotoxicity. PXDN depletion restores NKG2D signaling and enables effective NK cell–mediated melanoma killing. These findings identify PXDN as a previously unrecognized immune evasion factor and a potential target to improve
Hsu‐Min Sung   +17 more
wiley   +1 more source

“Absorption effects” for high-energy photons

open access: yesNuclear Physics B, 1968
Abstract The contribution of the intermediate vector-meson state in photoproduction is equal in strength to the direct Born terms and, when combined with the Born term, can give an effect simulating strong absorption for the photon.
Kramer, G., Schilling, K., Stodolsky, L.
openaire   +2 more sources

Energy Absorption Buildup Factors and Energy Conservation [PDF]

open access: yesJournal of Nuclear Science and Technology, 2009
The ANSI/ANS energy absorption buildup factors (ANSI/ANS-6.4.3–1991) were used to determine if they conserve absorbed energy from a point source of monoenergetic photons in an infinite, absorbing medium. Air, water, concrete, iron, lead, and uranium were considered for photon energies ranging from 0.015 to 15 MeV. The primary calculations were based on
openaire   +1 more source

Crashworthy design and energy absorption mechanisms for helicopter structures: A systematic literature review

open access: yesProgress in Aerospace Sciences, 2020
Helicopters are versatile aircraft that can perform numerous missions such as ground surveillance, rescue missions, air ambulance, fire-fighting etc. However, helicopter crashes sometimes occur owing to technical failures or human errors.
Xianfeng Yang   +3 more
semanticscholar   +1 more source

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