Millenium  

Szymon Dawczynski, Paulina Ciesla, Marcin Górski, Rafal Krzywon

Introduction: Geopolymers are the modern inorganic materials obtained as a result of chemical reaction under strongly alkaline conditions. The main advantages of these materials are: high strength parameters, fire resistance, frost resistance and resistan... see more

Maria Teresa Borralho, Ana Pardal, Solange Coelho

Introduction: The production of biodiesel produces a highly polluting effluent, because presents high values of Chemical Oxygen Demand (COD), oils and fats, among other contaminants. Sodium persulphate is a powerful oxidant (Eº = 2.1V). In addit... see more

Ana Pardal, Catarina Miguel

Introduction: Waste services are fundamental in modern societies as they contribute significantly to the social and economic development of the country. Therefore, they must comply with a set of principles, among which are the universality of access, cont... see more

André Gil Curado, António Abreu

Introduction: The strong international competitiveness motivated by globalization with the purpose of reaching an increasingly demanding public, makes cost reduction and quality increase a primary need across all sectors. The generic drug industry where p... see more

Clotilde Passos

Introduction: Knowledge has shown growing importance in economy, as a differentiation factor and a competitiveness enhancer, being considered as an important pillar of modern society development. Networks within and between organizations, as a strategy to... see more

Ana Patricia Sousa, Manuela Vaz Velho, Manuel Alves, Rita Pinheiro

Introduction: Consumers' preference for lower fat products continues to increase and there is a significant pressure on industry to reduce the use of frying processes.Objetives: Evaluate the effect of hydrocolloids on the Rissol coating, avoiding the pre-... see more

Luana Fernandes, José Alberto Pereira, Jorge Saraiva, Susana Casal, Elsa Ramalhosa

Introduction: Pansies (Viola×wittrockiana) are a rich source of natural antioxidants with beneficial effects on human health.Objetives: The aim of our study was to investigate solvents’ influence (water, methanol, water:acetone (6:4, v/v)) on the extracti... see more

Carla Mendes

Introduction: With aging there is a decline in the physical and cognitive function of the elderly, which leads to impairment of the Functional Independence (F.I.) of the elderly person.Objective: To compare functional independence of two elderly groups wi... see more