Results 71 to 80 of about 5,008,163 (229)

Editorial

Temes de Disseny, 2018
Tot el que veiem i toquem són materials. Els productes que ens rodegen estan fets de materials amb unes propietats específiques. Aquests tenen colors, textures, olors, gustos i inclús poden emetre sons.
Pere Llorach-Massana
doaj   +3 more sources

The contribution of heavy metal pollution derived from highway runoff to Guanabara Bay sediments: Rio de Janeiro / Brazil

Anais da Academia Brasileira de Ciências, 2007
In this study, geochemical and particle size analyses of thirty-four street sediment samples collected from an urban environment around Guanabara Bay, shows highway run-off to be a potential source of heavy metals for the pollution of near-shore ...
Edisio Pereira, José A. Baptista-Neto, Bernard J. Smith, John J. Mcallister   +3 more
doaj   +1 more source

Docència tecnològica dels materials compostos

, 2013
La tecnologia de materials compostos combina un conjunt de processos i materials complexos. S’ha dissenyat una pràctica amb l’objectiu de transmetre a l’alumne els conceptes de disseny i fabricació utilitzant les tècniques de la infusió i el pre-impregnat; una pràctica d’anàlisi i simulació computacional amb validació experimental a partir d’un assaig ...
Gil, Lluís, Bernat Masó, Ernest||, Illescas Fernandez, Silvia||, Marcé Nogué, Jordi||, Pérez, Marco A., Rupérez de Gracia, Elisa||, Salán Ballesteros, Maria Núria||, Sánchez, Montserrat   +7 more
openaire   +1 more source

Exploring the resilience of social insurance systems in the light of endogenous welfare austerity: Insights from Sweden

International Social Security Review, Volume 78, Issue 2-3, Page 55-77, April-September 2025.
Cet article vise à problématiser et à développer le concept de la résilience dans les systèmes de sécurité sociale en se penchant davantage sur des processus plus endogènes et en particulier l’austérité sociale endogène. Si la littérature existante traitant de la résilience et de l’austérité sociale a principalement identifié des facteurs externes ou ...
Angelica Börjesson, Lars Karlsson
wiley   +1 more source

Diagnosis of the knowledge of basic informations for the usage of pesticides by vegetable growers in Londrina Region /
Diagnóstico do conhecimento de informações básicas para o uso de agrotóxicos por produtores de hortaliças da Região de Londrina

Semina: Ciências Agrárias, 2010
The label and the bull of pesticides contain informations about the suitable and secure usage of these compounds. The understanding of these materials is important to prevent and reduce occupational intoxications.
Maurício Ursi Ventura, Pedro Manuel Oliveira Janeiro Neves, Camila Renata Gonçalves Marques   +2 more
doaj   +1 more source

Revisiting the Narrative of Deforestation in Central and Southern Mainland Early Modern Portugal as a ‘Ruined Landscape’: The Case of Shipbuilding in Lisbon

History, Volume 110, Issue 389, Page 24-48, January 2025.
Abstract Scholars have largely blamed shipbuilding for maritime expansion for being the main driver of deforestation in early modern Portugal. This article sets out to revisit the origins and reproduction of this narrative by analysing three interconnected elements in a case study of Lisbon's shipyards.
KOLDO TRAPAGA‐MONCHET
wiley   +1 more source

Artigo revisão: atuação dos antioxidantes em refratários contendo carbono Review article: performance of the antioxidants in carbon containing refractories

Cerâmica, 2007
Os materiais refratários contendo carbono têm despertado grande atenção nos últimos anos, uma vez que são amplamente utilizados na indústria siderúrgica em virtude de suas excelentes propriedades.
A. P. Luz, V. C. Pandolfelli
doaj   +1 more source

Analysis of the immunomodulatory properties of mycobacterium cell wall fraction on the cytokine production of peripheral blood mononuclear cells of healthy dogs

Veterinary Dermatology, Volume 35, Issue 6, Page 595-604, December 2024.
Background – Mycobacterium cell wall fraction (MCWF) is derived from nonpathogenic Mycobacterium phlei and is used as an immunomodulatory compound in clinical practice, yet its mode‐of‐action requires further research. Objective – To evaluate the host response to MCWF in canine peripheral blood mononuclear cells (PBMCs) by using enzyme‐linked ...
Robert Ward, Geoffrey A. Wood, Charlotte Pye, Khalil Karimi, Anthony Yu, Myles St‐Denis, Katherine Blake, Sugandha Raj, Samson Oladokun, Shayan Sharif   +9 more
wiley   +1 more source

Disseny de materials compostos ceràmics mitjançant impressió 3D

, 2016
La zircònia és un material que es troba en alça en diversos sectors industrials degut a les interessants propietats mecàniques així com la seva estabilitat química i biocompatibilitat. La dificultat a l’hora de fabricar peces de geometria complexa però, ha estat limitant la seva utilització i expansió.
López Lázaro, Javier, Ribas Sánchez, Josep Oriol   +1 more
openaire   +1 more source

Heterocoagulação como técnica para obtenção de cerâmicas porosas Porous ceramics through heterocoagulation process

Cerâmica, 2005
Devido ao custo da energia, tem crescido o interesse pelo uso de cerâmicas refratárias porosas como isolantes térmicos para aplicações em altas temperaturas.
M. O. Carlos, J. R. Garcia, I. R. Oliveira, R. Salomão, V. C. Pandolfelli   +4 more
doaj   +1 more source