Results 151 to 160 of about 11,417 (288)

Transcatheter Repair of Sinus Venosus Defect Using a 12‐zig Covered Cheatham‐Platinum Stent in Large Superior Vena Cava—Right Atrium Junctions: Early Multicenter Experience

open access: yesCatheterization and Cardiovascular Interventions, EarlyView.
ABSTRACT Sinus venosus defect (SVD) is a rare congenital heart anomaly characterised by an abnormal communication between the atria, often associated with partial anomalous pulmonary venous connection (PAPVC). Traditional surgical repair carries significant risks, prompting exploration into less invasive transcatheter approaches.
Alberto Fuensalida   +7 more
wiley   +1 more source

Stabilized Brillouin laser with sub-Hz fundamental linewidth aided by frequency shifted optical injection locking

open access: yesAPL Photonics
Stable laser emission with ultra-narrow linewidth plays an important role in making fundamental scientific breakthroughs. Here, we propose and demonstrate a new technique for the generation of an ultra-narrow linewidth and highly stable laser based on ...
Mingzhao Chen   +4 more
doaj   +1 more source

Comparative Analysis of Self-Injection and External Cavity Locking Influenced by Linewidth Enhancement Factor

open access: yes
We compare self-injection locking and external cavity locking for linewidth reduction in semiconductor lasers with varying linewidth enhancement factors (LEFs).
Wan, Yating   +2 more
core   +1 more source

Exploring Healthcare Continuity in Pediatric‐Onset Multiple Sclerosis in the United States

open access: yesAnnals of the Child Neurology Society, EarlyView.
ABSTRACT Objective Little is known about shifting from pediatric to adult‐focused multiple sclerosis (MS) care. This study aims to explore transition of care and follow‐up in the US pediatric‐onset MS (POMS) population. Methods Surveys were distributed to 10 sites in the US Network of Pediatric MS Centers (US NPMSC) about transition‐of‐care practices ...
Aaron W. Abrams   +31 more
wiley   +1 more source

Surface hydration‐induced damage in tight oil‐bearing sandy conglomerate reservoirs

open access: yesDeep Underground Science and Engineering, EarlyView.
A series of techniques such as X‐ray diffraction, scanning electron microscopy, energy‐dispersive spectroscopy, conductivity tests, and infrared thermal imaging were used. The key findings are the identification of a two‐stage surface hydration process and the elucidation of the effects of various minerals and elements on the hydration process ...
Anbang Zhao   +5 more
wiley   +1 more source

Polyoxometalates in Photocatalytic CO2 Reduction: Multielectron Redox Regulation Across Molecular and Hybrid Architectures

open access: yesEcoEnergy, EarlyView.
This review focuses on multielectron redox regulation across molecular and hybrid architectures for photocatalytic CO2 reduction, covering intrinsic POM photocatalysts, photosensitizer‐assisted assemblies, POM–metal–organic complexes, and POM‐integrated semiconductors and MOF/COF heterostructures to link structural motifs with charge transport, product
Bonan Li, Xiaowen Ruan, Sai Kishore Ravi
wiley   +1 more source

Transition Metal Compounds as Thermochromic Materials: Classification, Properties, Limitations, and Applications

open access: yesEcoEnergy, EarlyView.
This review systematically examines how different transition metal compounds—such as binary and multinary metal oxides, halides, sulfides, and salts—exhibit thermochromism based on the d‐electron configurations of their transition metal cations. It focuses on three main mechanisms of thermochromism: phase transition, charge transfer, and bandgap change.
Jie Wang   +5 more
wiley   +1 more source

Low‐Temperature in Situ Upgrading of Ultra‐Deep Heavy Oil Using Ni–Ce/MOF–OTf Superacid Catalysts to Enhance Energy Utilization and Sustainability

open access: yesEcoEnergy, EarlyView.
A triflate‐functionalized Ni–Ce/MOF–OTf superacid enables low‐temperature (∼140°C) in situ upgrading of ultra‐deep heavy oil. It reduces viscosity by 92.11% in 12 h, maintains activity over cycles, and delivers 90.25% recovery with a lower carbon footprint by selective bond cleavage. ABSTRACT Ultra‐deep heavy oil is an important unconventional resource,
Li Wang   +5 more
wiley   +1 more source

The Dynamics of the Policy Mix and Sectoral Gaps in South Korea's Decarbonization Transition

open access: yesEnvironmental Policy and Governance, EarlyView.
ABSTRACT While a coherent policy mix is a fundamental prerequisite for successful energy transitions, existing frameworks predominantly rely on static evaluations. This horizontal approach fails to capture the deep temporal dynamics and physical inertia inherent in socio‐technical regime shifts.
Yong Hwan Kim, Kyung Nam Kim
wiley   +1 more source

Power, (De)Politicisation and Polycentric Governance: Evidence From UK Local Climate Policy

open access: yesEnvironmental Policy and Governance, EarlyView.
ABSTRACT This article extends (de)politicisation theory to elucidate power dynamics in polycentric governance. It develops an original analytical framework to empirically investigate how governmental, societal and discursive (de)politicisation processes emerge within and across decision‐making centres. The framework focuses on dimensions of technocracy,
Timea Nochta   +2 more
wiley   +1 more source

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