Results 191 to 200 of about 125,488 (222)

NOTES ON DISCRETE SUBGROUPS OF PU(2,1) WITH SCREW PARABOLIC ELEMENTS(Complex Analysis and Geometry of Hyperbolic Spaces)

open access: yesNOTES ON DISCRETE SUBGROUPS OF PU(2,1) WITH SCREW PARABOLIC ELEMENTS(Complex Analysis and Geometry of Hyperbolic Spaces)
openaire   +1 more source

From Wind Turbine Blades to Recycled Glass Fibers: Analytical Modeling and Lab‐Scale Recycling Protocol

open access: yesPolymer Composites, Volume 47, Issue 18, Page 16680-16690, 20 September 2026.
Lab‐Scale Composite Dissolution Experiments were used for Prediction of Dissolution Duration. ABSTRACT Glass fiber‐reinforced thermosets are widely used in wind turbine blades. However, recycling these materials remains challenging because thermoset matrices cannot be remelted, and high‐temperature processes degrade glass fibers.
Agathe Navailles   +6 more
wiley   +1 more source

Comparative assessment of investigation methods for tensile strength of soils: A review. [PDF]

open access: yesiScience
Sun Y   +9 more
europepmc   +1 more source

Challenges and Opportunities for Layered Double Perovskite Solar Cells

open access: yesSolar RRL, Volume 10, Issue 17, 15 September 2026.
Layered lead‐free double perovskites suffer from intrinsic and extrinsic limitations that hinder high photovoltaic performance. This review identifies key challenges, including unfavorable band structures, strong self‐trapping, defect‐induced recombination, processing‐induced inhomogeneity, and device‐level mismatches.
Krishnaiah Mokurala   +4 more
wiley   +1 more source

Microring Resonator Dispersion Metrology With Neural Networks

open access: yesNanophotonics, Volume 15, Issue 17, 11 September 2026.
We present a machine learning framework for inverse and forward characterization of microring resonators, inferring geometry and material dispersion from sparse spectral data. The approach achieves nanometer‐scale accuracy and > 99% material identification, while reconstructing full dispersion spectra.
Ergun Simsek   +3 more
wiley   +1 more source

Unveiling α‐MoO3 as a High‐Index, Low‐Loss Anisotropic Material: Bridging the Gap From Mid‐Infrared to Ultraviolet Nanophotonics

open access: yesAdvanced Materials, Volume 38, Issue 49, 1 September 2026.
α‐MoO3 is established as a high‐index, low‐loss anisotropic platform bridging mid‐infrared polaritonics and ultraviolet‐visible nanophotonics. Spectroscopic ellipsometry and calculations reveal refractive indices exceeding 3.9, with the largest in‐plane birefringence among transparent layered crystals at 425–500 nm, enabling zero‐order UV waveplates ...
Adilet N. Toksumakov   +14 more
wiley   +1 more source

Non-Faradaic optoelectrodes for safe electrical neuromodulation. [PDF]

open access: yesNat Commun
Chen J   +14 more
europepmc   +1 more source
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Evaluation of tracking performance of NPID double hyperbolic controller design for XY table ball-screw drive system

2017 11th Asian Control Conference (ASCC), 2017
This paper presents design and evaluation of a Nonlinear PID (NPID) Double Hyperbolic controller to improve tracking performance under the influence of disturbance forces in machine tools application. Popov stability criterion was applied in order to obtain the nonlinear proportional and the nonlinear integral gains for the controller.
S. C. K. Junoh   +6 more
openaire   +1 more source

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