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FLASH sintering of porcelain stoneware: effect of composition modifications

Ribeiro, Camila; Figueiredo, Luis; Serrazina, Ricardo; Almeida, José C.; Salgado, Joana; Santos, Regina; Jorge, Hélio; Serrão, Álvaro; Marcos, Pedro

In this work, we have exploited FLASH sintering as an alternative sintering process in the production of porcelain stoneware. FLASH sintering of porcelain stoneware occurred at temperatures ∼ 1020 °C, for 500 V cm-1, 2 mA mm-2 in 30 s. These conditions are significantly less severe than those typically applied in its conventional sintering, 1150–1250 °C for 1 h. Despite the reduction of time and sintering tempe...


Bioethical conflicts in perinatal care: integrative literature review

Lôbo, Ana Luiza Souza de Faria; Farias, Mariana Maria Pereira Cintra; Silva, Nathalia Lima da; Almeida, Taysa Vieira de; Comassetto, Isabel

Objective: to analyze the findings available in the literature about bioethical conflicts experienced by women  during the birth context. Methods: This is an integrative review research, in which a search was performed in the following databases: Medical Literature Analysis and Retrieval System Online (MEDLINE) via PubMed, Latin American and Caribbean Literature on Health Sciences (LILACS) and Database in Nursi...

Date: 2022   |   Origin: Oasisbr

FT-RAMAN methodology for the monitoring of honeys' spirit distillation process

Anjos, Ofélia; Santos, Regina; Estevinho, Leticia M.; Caldeira, Ilda

Honey spirit is an alcoholic beverage produced by fermentation followed by distillation of the honey must, which has distinct organoleptic characteristics derived mostly from the raw material used. In order to accurately monitor the quality of the product throughout the distillation process (head, heart and tail stages), FT-RAMAN spectroscopy was applied. Dark honey, light honey and honey obtained following wax...

Date: 2020   |   Origin: Biblioteca Digital do IPB

FT-RAMAN methodology for the monitoring of honeys' spirit distillation process

Anjos, O.; Santos, Regina; Estevinho, Letícia M.; Caldeira, Ilda

Honey spirit is an alcoholic beverage produced by fermentation followed by distillation of the honey must, which has distinct organoleptic characteristics derived mostly from the raw material used. In order to accurately monitor the quality of the product throughout the distillation process (head, heart and tail stages), FT-RAMAN spectroscopy was applied. Dark honey, light honey and honey obtained following wax...



Distillation process characterization for honey spirit production

Santos, Regina; Caldeira, Ilda; Pereira, Ana Paula; Estevinho, Leticia M.; Anjos, Ofélia

Honey presents a higher amount of carbohydrates (60-82%) [1] mainly fructose and glucose and other minor compounds (proteins, enzymes free amino acids, essential minerals, vitamins and polyphenols). Given their higher amount of sugar, yeast could be convert them into alcohol through the process of fermentation. The more usual alcoholic beverage produced from the honey is mead, however, some spirits are also pro...

Date: 2016   |   Origin: Biblioteca Digital do IPB

Raw material influence in mead production

Santos, Regina; Pereira, Ana Paula; Estevinho, Leticia M.; Caldeira, Ilda; Anjos, Ofélia

Honey can be fermented to produce different types of mead given their sugar concentration [1]. Mead is a beverage produced by the alcoholic fermentation of diluted honey. This beverage present an alcoholic strength ranging between 8 – 18 % volumes [2]. The aim of this work is characterize the quality of honey mead with different kinds of raw-material: Lavandula honey; Castanea honey and a mixture of waxes and C...

Date: 2016   |   Origin: Biblioteca Digital do IPB

Do habitat characteristics determine mortality risk for bats at wind farms? Mod...

Hughes, Samantha Jane; Freixo, Cláudia; Santos, Regina; Cabral, João; Santos, Mário

Date: 2015   |   Origin: Repositório da UTAD

Compatibility analysis of municipal solid waste incineration residues and clay ...

Quina, Margarida J.; Almeida, Marisa A.; Santos, Regina; Bordado, João M.; Quinta-Ferreira, Rosa M.


Glossário de responsabilidade social

Ribeiro, Anabela Vaz; Jorge, Vitor Santos; Neves, Francisco; Pires, Amadora Sónia; Benedito, Ana; Saramago, Ana; Rodrigues, Isabel; Velhas, Margarida

Este Glossário de Responsabilidade Social foi desenvolvido no âmbito da Rede RSO PT, no Grupo de Trabalho da ISO 26 000 (GT ISO 26000). A missão do GT ISO 26000 consiste em promover e aprofundar o conhecimento sobre a norma NP ISO 26000 Linhas de Orientação para a Responsabilidade Social. O Glossário de Responsabilidade Social seguiu a estrutura da norma de referência NP ISO 26000 Linhas de orientação para a re...


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