Results 121 to 130 of about 1,565,571 (246)
ErB4 and NdB4 nanostructured powders are produced by mechanochemical synthesis. 5 h mechanical alloying and 4 M HCl acid leaching are used in the production. ErB4 and NdB4 powders exhibit maximum magnetization of 0.4726 emu g−1 accompanied with an antiferromagnetic‐to‐paramagnetic phase transition at about TN = 18 K and 0.132 emu g−1 with a maximum at ...
Burçak Boztemur +5 more
wiley +1 more source
La pirólisis de llantas usadas se presenta como una excelente alternativa para el tratamiento de estos residuos, dado su potencial para la producción de compuestos de alto valor agregado. El caucho de llantas usadas fue sometido a pirólisis intermedia en
Rolando Andrés Acosta +3 more
doaj
Laser Powder Bed Fusion of Alumina: Effects of Scanning Strategies on External and Internal Defects
This study investigates how scanning strategies affect pure alumina in laser powder bed fusion. Linear 45° scanning yields uniform surfaces but high porosity, while the island‐concentric strategy provides higher density with through‐holes favorable for infiltration. Findings highlight pathways toward optimizing defect‐free alumina parts.
Mohamed Abdelmoula +7 more
wiley +1 more source
Facies generadoras de carbón en el Westfaliense superior de la Cuenca Carbonífera Central Asturiana [PDF]
La Cuenca Carbonífera Central Asturiana constituye una cuenca de antepais individualizada en la Zona Cantábrica durante el Carbonifero Superior coincidiendo con la máxima actividad de la orogenia Hercinica.
Agueda Villar, José A. +5 more
core +1 more source
This study presents a reversible temperature sensor with high switching ratio, ∼103. The device is fabricated using PET‐ITO and carbon nanotube dispersions in alkane. Considering its application in cold chain logistics, a proof‐of‐concept with LED is showcased. Thus, a temperature drop below the threshold temperature (crystallization temperature of the
Sunil Kumar Behera +8 more
wiley +1 more source
Le cercle de pierres de Sohandi II (compte rendu de fouilles 1984). [PDF]
El túmulo de piedras de Sohandi II excavado en Julio de 1984, está formado por bloques de pudinga rústicos rodeando una estructura central muy primitiva.
Jacques Blot
core
Harnessing Fungal Biowelding for Constructing Mycelium‐Engineered Materials
Mycelium‐bound composites (MBCs) offer low‐carbon alternatives for construction, yet interfacial bonding remains a critical challenge. This review examines fungal biowelding as a biocompatible adhesive, elucidating mycelium‐mediated interfacial mechanisms and their role in material assembly. Strategies to optimize biowelding are discussed, highlighting
Xue Brenda Bai +2 more
wiley +1 more source
Powder metal processing provides scalable advantages in nanoporous (np) metal development. Mechanical alloying is used to produce unique precursors for hybrid nanopore formation by oxide reduction and dealloying. As demonstrated in np Ag, this approach improves process efficiency while promoting smaller ligaments and larger pores, both of which are ...
Mark A. Atwater, Oliver A. Fowler
wiley +1 more source
A Compact Spin‐Coated Graphene UWB Antenna for Breast Tumor Detection
A compact, spin‐coated graphene ultra‐wideband patch antenna designed for breast tumor detection, capable of distinguishing between malignant and benign tumors. This innovative antenna can serve as an effective initial screening tool, particularly in resource‐limited settings such as rural areas, where access to advanced medical equipment like MRI and ...
Raja Rashidul Hasan +9 more
wiley +1 more source
USO DE CARBÓN ACTIVADO EN LAS SOSPECHAS DE INTOXICACIÓN AGUDA EN URGENCIAS DE PEDIATRIA EN EL HOSPITAL GENERAL ATIZAPAN “DR SALVADOR GONZALEZ HERREJON” DE ENERO 2011 A JUNIO 2012. [PDF]
En la edad pediátrica las intoxicaciones corresponden del 5 a 7% de las consultas solicitadas en los servicios de urgencias. Los objetivos de la descontaminación gastrointestinal son: eliminar el tóxico, favorecer la absorción por otras sustancias ...
Mendoza Viveros, Margarita +1 more
core

