Results 131 to 140 of about 1,025,390 (347)

SKS and Seismic Velocities in the Outer Core [PDF]

open access: yesGeophysical Journal International, 1970
Summary A statistical treatment of observations of SKS is combined with other information on SKS and on the AB branch of PKP, leading to a revised velocity distribution for the outer core. The seismic velocity at the top of the core appears to be 8.26 km s-', somewhat greater than Jeffreys's value of 8.10 kms-'.
openaire   +1 more source

Toughening β‐Ga2O3 via Mechanically Seeded Dislocations

open access: yesAdvanced Functional Materials, EarlyView.
β‐Ga2O3 is promising for next‐generation semiconductors but its brittleness limits flexible and high‐precision applications. Here, mechanically seeded dislocations introduced by surface deformation improved damage tolerance in (001) β‐Ga2O3. Nanoindentation and characterization show dislocations suppress cleavage cracks by enabling stable plastic ...
Zanlin Cheng   +5 more
wiley   +1 more source

Neutrino tomography of the earth: the earth total mass, moment of inertia and hydrostatic equilibrium constraints

open access: yesEuropean Physical Journal C: Particles and Fields
We investigate the implications of the constraints following from the precise knowledge of the total Earth mass, $$M_\oplus $$ M ⊕ , and moment of inertia, $$I_\oplus $$ I ⊕ , and from the requirement that Earth be in hydrostatic equilibrium (EHE), in ...
S. T. Petcov
doaj   +1 more source

Multi-element spherical shell generation [PDF]

open access: yes, 1990
A nozzle assembly in a multi-element spherical shell generation system includes first and second side-by-side spaced apart nozzles and a web portion extending between and connecting the nozzles.
Morrison, Andrew D.
core   +1 more source

Single‐Crystalline Lateral p‐SnS/n‐SnSe van der Waals Heterostructures by Vapor Transport Growth with In Situ Bi Doping

open access: yesAdvanced Functional Materials, EarlyView.
In‐situ doping during growth of SnSe and subsequent attachment of SnS produces high‐quality lateral pn‐heterojunctions between van der Waals semiconductors. Electron beam induced current measurements demonstrate electrically active pn‐junctions, paving the way for devices that harness charge separation at lateral interfaces in layered heterostructures.
Peter Sutter   +4 more
wiley   +1 more source

The lipopolysaccharide outer core transferase genes pcgD and hptE contribute differently to the virulence of Pasteurella multocida in ducks. [PDF]

open access: yesVet Res, 2021
Zhao X   +19 more
europepmc   +1 more source

Contact Lens with Moiré Patterns for High‐Precision Eye Tracking

open access: yesAdvanced Functional Materials, EarlyView.
This work presents a passive contact lens for high‐precision eye tracking, integrating a microscopic moiré grating label. The parallax‐induced shift of macroscopic moiré patterns enables angle measurement with 0.28° precision using a standard camera under ambient light.
Ilia M. Fradkin   +11 more
wiley   +1 more source

Quantifying Tropical Cyclone Vertical Mass Flux and Its Relationship to Precipitation Structures Under Varying Sea Surface Temperatures

open access: yesGeophysical Research Letters
Vertical mass flux (MF) describes the rate at which air and water vapor move upward or downward in an atmospheric column. MF is related to cloud and precipitation formation.
Alyssa M. Stansfield   +1 more
doaj   +1 more source

Tuning the Selectivity of the CO2 Reduction Reaction by Means of Synergistic Interactions in the Cu, Ag, Ce System

open access: yesAdvanced Functional Materials, EarlyView.
Multi‐metal Cu─Ce─Ag nanoparticles harness synergistic interactions to drive efficient electrochemical CO2 reduction reaction toward C2+ products at high current densities. Ag enhances CO production, Ce modulates Cu oxidation states, and together they boost *CO coverage and local pH to enhance C─C coupling, enabling record C2+ yields with suppressed ...
Nini Zhang   +9 more
wiley   +1 more source

Transparent UV‐Curable Self‐Sanitizing Coatings Applicable to Diverse Surfaces and High‐Touch Screens to Mitigate Deadly Pathogen Transmission

open access: yesAdvanced Functional Materials, EarlyView.
Development of a transparent, self‐sanitizing antimicrobial coating technology applicable to a wide range of materials and surfaces‐including touchscreens, transparent substrates, and metal, plastic, and glass‐regardless of pathogen type. The spray‐coated, UV‐cross‐linked imidazole‐based quaternary ammonium chloride materials provide broad‐spectrum ...
Surjith Kumaran   +6 more
wiley   +1 more source

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