Results 11 to 20 of about 753 (158)

From Green to Brown: Characterization of the Fast Alteration of Modern Greenish Enamels in Glass Windows. [PDF]

open access: yesChempluschem
Spots and stains appeared on the modern green enamel from different stained‐glass windows as a consequence of environmental alteration. The multianalytical characterization showed a 3‐step alteration mechanism divided into Pb2+ lixiviation from the enamel, formation of hydrocerussite (2PbCO3·Pb(OH)2), and transformation into scrutinyite (α‐PbO2) and ...
Palomar T   +7 more
europepmc   +2 more sources

Unicompartmental osteoarthritis: High survival rate with a combined mechanical and biological salvage approach as alternative to metal resurfacing: Results at minimum 10 years of follow-up. [PDF]

open access: yesKnee Surg Sports Traumatol Arthrosc
Abstract Purpose The aim of this study was to prospectively evaluate the long‐term clinical results and failure rate of patients treated with complex salvage procedures using a combined mechanical and biological approach to address unicompartmental knee osteoarthritis (OA) and postpone the need for joint replacement. Methods Thirty‐nine patients (40.3 ±
Solaro L   +5 more
europepmc   +2 more sources

Avaliação da resistência ao cisalhamento da união entre duas ligas a base de CoCr e uma cerâmica [PDF]

open access: yes, 2004
INTRODUCTION: Based on the importance of the integrity of the metal/ceramic interface, the purpose of this work was to evaluate the shear bond strength of the metal-ceramic union of two Co-Cr alloys (Wirobond C, Bego; Remanium 2000, Dentaurum) combined
Bezzon OL   +29 more
core   +6 more sources

Multiscale Thermal Analysis of Gold Nanostars in 3D Tumor Spheroids: Integrating Cellular-Level Photothermal Effects and Nanothermometry via X-Ray Spectroscopy. [PDF]

open access: yesAdv Healthc Mater
This study investigates nanoscale temperatures generated by photoexcited gold nanostars and their correlation with microscale thermal damage at the cellular level. Using X‐ray absorption spectroscopy and confocal microscopy in 3D cancer spheroids, it assesses localized heating effects and examines tumor cell structure and integrity, offering insights ...
López-Méndez R   +11 more
europepmc   +2 more sources

Encapsulamento de β-caroteno em nanotubos de nitreto de boro de parede simples : um estudo teórico [PDF]

open access: yes, 2015
Dissertação (mestrado)–Universidade de Brasília, Universidade UnB de Planaltina, Programa de Pós-Graduação em Ciência de Materiais, 2015.O presente trabalho foi motivado pelo sucesso de pesquisas atuais relacionadas à adição de corantes orgânicos ...
Rocha, Charles de Assis Oliveira
core   +1 more source

ARQUEOBOTÂNICA DAS MADEIRAS DA ALAMEDA BRÜSTLEIN: ESTUDO DE CASO DE UM SÍTIO ARQUEOLÓGICO HISTÓRICO DE SANTA CATARINA [PDF]

open access: yes, 2015
Escavações em sítios arqueológicos do período colonial revelam, além de objetos em metal, cerâmica, vidro e outras matérias-primas já industrializados, diversos vestígios vegetais. Interpretações destes vestígios ajudam a aclarar aspectos sobre o modo de
Júnior, João Carlos Ferreira de Melo   +1 more
core   +3 more sources

Objetos de uso corporal del período Formativo en el sur de los Valles Calchaquíes

open access: yesEstudios Atacameños, 2022
Este trabajo presenta el conjunto de objetos de uso corporal recuperados en distintos sitios asignados al período Formativo (ca. 1500 AC-1000 DC) del Valle del Cajón, el Valle de Santa María y la Falda Occidental del Aconquija, en el extremo meridional ...
Leticia Inés Cortés
doaj   +1 more source

Influência da ciclagem térmica e diferente tipos de solda na resistência da interface metalo-cerâmica [PDF]

open access: yes, 2009
O efeito da soldagem e termociclagem na união metalo-cerâmica foi avaliado pela fundição de sessenta barras metálicas em NiCr nas dimensões estabelecidas para o teste de flexão (ISO 9693:1999E). Destas, 20 barras formaram o grupo controle (GC) e 40 foram
Bottino, Marco Antônio   +1 more
core   +2 more sources

Ruínas do leprosário da praia do francês em Marechal Deodoro - AL: diagnóstico das alvenarias do edifício histórico e os fatores climáticos [PDF]

open access: yes, 2023
The Lazaretto of Praia do Francês, an important historical building from the 18th century, designated as an Archaeological Site Lazaretto by IPHAN (National Institute of Historic and Artistic Heritage), is located in the municipality of Marechal Deodoro,
Miranda, Rosa Maria Costa Pereira
core  

AI WEIWEI: RESISTÊNCIA DAS ARTE E O MATERIAL CULTURAL [PDF]

open access: yes, 2022
The photo essay I present below was carried out in 2021 at the exhibition “Rapture”, by the Chinese activist and artist Ai Weiwei, held at Cordoaria Nacional, in Lisbon.
SARMENTO-PANTOJA (UFPA), Augusto   +1 more
core   +2 more sources

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