Results 171 to 180 of about 353,357 (301)

Loads Correlation of a Full-Scale Proprotor on the Tiltrotor Test Rig [PDF]

open access: yes
In 2018, a full-scale isolated proprotor test was conducted in the USAF National Full-Scale Aerodynamics Complex (NFAC) at NASA Ames. The test article was the 3-bladed Bell 699 research rotor derived from the AW609 rotor.
Kottapalli, Sesi
core   +1 more source

Interlayer‐Sliding‐Enabled Multiferroicity and Giant Switchable Anomalous Hall Conductivity in RuO2Zn2F2 Bilayer

open access: yesAdvanced Science, EarlyView.
Interlayer sliding in the RuO2Zn2F2 bilayer induces ferroelectricity and enables reversible valley polarization switching. The electric dipole and valley‐resolved band edges are intimately coupled, revealing sliding ferroelectricity as a powerful mechanism for electrical control of valley degrees of freedom in 2D materials.
Djamel Bezzerga   +3 more
wiley   +1 more source

Ground vibration test and flutter analysis of air sampling probe [PDF]

open access: yes
The Dryden Flight Research Facility of NASA Ames Research Center conducted a ground vibration test and a flutter analysis of an air sampling probe that was to be mounted on a Convair 990 airplane.
Ellison, J. F.
core   +1 more source

Toward Fast‐Charging Polymer‐Electrolyte Based All‐Solid‐State Li–S Batteries: Insights into Limiting Factors and Perspectives

open access: yesAdvanced Science, EarlyView.
The schematic illustrates the important design strategies for polymer solid electrolyte‐based all‐solid‐state lithium‐sulfur batteries (ASSLSBs), including improved ionic conductivity, reduced polysulfide shuttling, stabilized electrode‐electrolyte interfaces, and lithium dendrite mitigation for developing high power and fast charging ASSLSBs ...
S. Jayasubramaniyan   +5 more
wiley   +1 more source

Studies of <i>Piper auritum</i> Kuntz's Mutagenic and Antimutagenic Properties Using the Ames Test. [PDF]

open access: yesMetabolites
Muñoz-Carrillo LS   +6 more
europepmc   +1 more source

Design, development, and flight test of a demonstration advanced avionics system [PDF]

open access: yes
Ames Research Center initiated a program in 1975 to provide the critical information required for the design of integrated avionics suitable for general aviation.
Callas, G. P.   +3 more
core   +1 more source

Hyperlipidemia Aggravates Alveolar Bone Loss via Periodontal Ligament Stem Cell Ferroptosis Through GSK3β Dependent Ubiquitin‐Mediated NRF2 Degradation

open access: yesAdvanced Science, EarlyView.
Lipid metabolic stress triggers ferroptosis in PDLSCs through the GSK3β/NRF2 pathway, thereby aggravating periodontal bone loss. Upregulated GSK3β promotes NRF2 ubiquitination and proteasomal degradation via β‐TrCP, suppressing NRF2 nuclear translocation and antioxidant target expression.
Yuxiao Zhang   +11 more
wiley   +1 more source

I test, therefore I am? [PDF]

open access: yesEuropean Journal of General Practice, 2002
openaire   +1 more source

Resolution of historically discordant Ames test negative/rodent carcinogenicity positive N-nitrosamines using a sensitive, OECD-aligned design. [PDF]

open access: yesMutagenesis
Thomas DN   +12 more
europepmc   +1 more source

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