Results 81 to 90 of about 146,644 (263)

In situ thermal runaway of Si-based press-fit diodes monitored by infrared thermography

open access: yesResults in Physics, 2020
Overvoltage is one of the main causes that lead to the failure of electronic devices. This makes fundamental to understand the electrical and thermal mechanisms engaged in the process.
A. Moure   +4 more
doaj   +1 more source

Proposta metodològica per a l'estudi de la ceràmica prehistòrica [PDF]

open access: yes, 2008
Títol original: Propuesta metodológica para el estudio de la cerámica ...
Prieto Martínez, María Pilar
core   +1 more source

Recovery of Rare Earths from End‐of‐Life NdFeB Permanent Magnets from Wind Turbines

open access: yesChemSusChem, Volume 18, Issue 10, May 19, 2025.
This work outlines a process for the recovery of rare earth elements from permanent magnets from wind turbines. Pyrometallurgical and hydrometallurgical methods are employed to produce a concentrated rare earth solution. Finally, these elements are selectively precipitated yielding a mixed rare earth oxalate. This process demonstrates the efficient and
Lorena Alcaraz   +5 more
wiley   +1 more source

Produção de concreto autoadensável incorporado com resíduo da indústria de cerâmica vermelha

open access: yesMatéria, 2018
RESUMO Nos últimos anos, observa-se uma crescente utilização de adições minerais na produção de cimento Portland e de concretos com o intuito de melhorar as propriedades físicas, mecânicas e de durabilidade desses materiais, além dos benefícios ...
Rafael Francisco dos Santos   +2 more
semanticscholar   +1 more source

La Influencia de los Productos Hidrofugantes en la Succión del Ladrillo Cerámico Cara Vista [PDF]

open access: yes, 2013
Boletín de la Sociedad Española de Cerámica y ...
Coronado Martín, Jesús Ángel   +2 more
core   +2 more sources

Determination of Boron Content in Surface Paintings From Historical Stained‐Glass Windows

open access: yesChemistry–Methods, Volume 5, Issue 5, May 2025.
The present work validates the use of LIBS as an analytical technique for in‐situ qualitative and quantitative determination of boron content in enamels and historical glass samples and provides information on in‐depth possible changes in the chemical composition induced by corrosion effects.
Laura Maestro‐Guijarro   +6 more
wiley   +1 more source

El Museo de Cerámica «Ruiz de Luna» de Talavera de la Reina. La identidad de la ciudad [PDF]

open access: yesBoletín del Museo Arqueológico Nacional, 2017
En este trabajo recogemos la evolución de la colección de cerámica de Talavera y Puente del Arzobispo, que desde 1908 reunió Juan Ruiz de Luna Rojas para uso y exposición en el alfar de Ntra. Sra. del Prado.
Domingo Portela Hernando   +1 more
doaj  

Processing, nanoindentation and scratch testing of alumina-coated YTZP

open access: yesBoletín de la Sociedad Española de Cerámica y Vidrio, 2015
In this work, alumina-coated YTZP materials are proposed as means to combine the mechanical reliability of YTZP with the stiffness and hardness of alumina.
Jorge Valle   +3 more
doaj   +1 more source

La fecha de la cerámica más temprana en los Andes sur. Una perspectiva macrorregional mediante modelos bayesianos

open access: yes, 2017
The earliest pottery marks a milestone in the human history of the southern Andes. This paper proposes an approximation of the date of the earliest pottery using Bayesian chronological models. Models of 84 radiocarbon and thermoluminescence dates from 49
Erik J. Marsh
semanticscholar   +1 more source

Cerámica relacionada con el vino y el aceite [PDF]

open access: yes, 1977
En número dedicado a: La cerámica del Museo de Artes y Tradiciones ...
Hernández Cueto, Lidia
core   +1 more source

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