Results 61 to 70 of about 239,761 (264)

WS2 Optoelectronic Memristive Reservoir Enabling Ultra‐Low‐Power, Multi‐Task, and Environmentally Stable Neuromorphic Computing

open access: yesAdvanced Science, EarlyView.
WS2‐based in‐memory sensing reservoir computing integrates sensing, memory, and computation in one compact device. It achieves ∼94% N‐MNIST, ∼93% eye motion perception, and ∼89% speech recognition with ultra‐low energy (∼25.5 fJ/spike). The system shows stability at 95% humidity, endurance over 1.5M cycles, and supports synaptic plasticity, enabling ...
Dayanand Kumar   +9 more
wiley   +1 more source

El petróleo, Geopolítica en Oriente Medio y la OPEP [PDF]

open access: yes, 2002
Este texto analiza la importancia de Oriente Medio y de la Organización de Países Exportadores de Petróleo (OPEP) para la cobertura de las necesidades energéticas mundiales y relaciona los principales acontecimientos geopolíticos de la zona y de la ...
Vigil García, Alejandro
core  

Decoding Spatial Heterogeneity and Multi‐Omics Regulation with Hierarchical Graph Learning

open access: yesAdvanced Science, EarlyView.
ABSTRACT Recent advances in spatial multi‐omics technologies have enabled the simultaneous profiling of multiple molecular layers within the same tissue slice, providing unprecedented opportunities to investigate tissue spatial organization. However, most existing computational methods identify spatial domains in a purely data‐driven manner, rarely ...
Jiazhou Chen   +6 more
wiley   +1 more source

Precios del crudo e Irak: mayor incertidumbre, imposible [PDF]

open access: yes, 2002
Con los precios del crudo situados en torno a 30 dólares por barril no hay duda de que el mercado del petróleo vive con tensión la difícil situación de Oriente Medio y, especialmente, la posibilidad de que se produzcan ataques militares por parte de EEUU
Vigil García, Alejandro
core  

Mn‐Induced Support Stabilization and Ir Electronic Activation Enable Acid‐Stable, Low‐Loading IrO2 Water Oxidation

open access: yesAdvanced Science, EarlyView.
This study introduces a dual‐regulation strategy utilizing a Mn‐doped Co3O4 support to enhance the activity and stability of low‐loading IrO2 catalysts for acidic water oxidation. Mn induces strong Mn─O covalency to reinforce the spinel lattice and activates Ir sites via interfacial electron transfer.
Zhe Liu   +13 more
wiley   +1 more source

Las rivalidades confesionales en la guerra civil siria y el accionar de Arabia Saudita e Irán: un análisis desde sus Fuerzas Profundas [PDF]

open access: yes, 2014
Las revueltas y revoluciones desatadas en el Norte de África y Medio Oriente desde comienzos del año 2011, denominadas corrientemente como “Primavera árabe”, constituyen los procesos que definen los rasgos políticos y geopolíticos actuales en la
Ferreyra, Matias Daniel Avelino
core  

An Electrically Conducting Water‐based Reversible Adhesive

open access: yesAdvanced Electronic Materials, EarlyView.
A water‐based reversible glue is demonstrated. The glue has electrical properties similar to other conducting adhesives but can detach after an alkaline wash. Metal fillers are added to an aqueous mixture of polymer nanoparticles synthesized by emulsion polymerization. The nanoparticles are stabilized by poly(acrylic acid) chains bonded to them. The pH‐
Bassam A. Aljohani   +5 more
wiley   +1 more source

Prevalence and Risk Factors of Diabetic Nephropathy Among Saudi Type-1 Diabetic Patients in Taif City, Saudi Arabia

open access: yesDiabetes, Metabolic Syndrome and Obesity, 2023
Noura Al-Zahrani,1 Hameed Khoshaiban AlSwat,2 Amani M AlQarni,3 Saleh Sadan Alzahrani,4 Leila A Boubshait,5 Lujain A Alassaf,6 Zaenb Alsalman7 1Department of Medicine, Hera General Hospital, Ministry of Health, Makkah, Saudi Arabia; 2Pediatric ...
Al-Zahrani N   +6 more
doaj  

OPEP: presente, pasado y futuro [PDF]

open access: yes, 2008
Traducción de la conferencia sobre la "OPEP: pasado, presente y futuro" que pronunció Su Excelencia el Jeque Yamani en Madrid el 21 de noviembre de 2007, como parte del ciclo de conferencias del Programa de Energía del Real Instituto ...
Zaki Yamani, Jeque Ahmed
core  

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