114 documents found, page 1 of 12
Optimization of heat and ultrasound-assisted extraction of Eucalyptus globulus ...
Lima, Laíres; Pereira, Ana I.; Vaz, Clara B.; Ferreira, Olga; Dias, Maria Inês; Heleno, Sandrina A.; Calhelha, Ricardo C.; Barros, LillianThe extraction of phenolic compounds from eucalyptus leaves was optimized using heat and ultrasound-assisted techniques, and the bioactive potential of the resulting extract was assessed. The independent variables, including time (t), solvent concentration (S), and temperature (T) or power (P), were incorporated into a fivelevel central composite design combined with Response Surface Methodology. Phenolic conte...
D.R.E.A.M. App to Promote the Mental Health in Higher Education Students
Vaz, Clara B.; Pais, Clarisse; Pinheiro, MarcoThis paper presents the development process of the mobile App D.R.E.A.M., Design-thinking to Reach-out, Embrace and Acknowledge Mental health, which is a tool for self-assessment and self-care in promoting the mental health of higher education students. In Portugal, the program for promoting Mental Health in higher education advocates the development and use of digital tools, such as apps and/or social networks...
Assessing the sustainable performance of the transport sector in European count...
Gruetzmacher, Sarah; Vaz, Clara B.; Ferreira, Ângela P.The energy policy of the European Union stresses the need for sustainable energy consumption, improvements in energy efficiency and lower fossil fuel dependence in a decoupling strategy from unstable democracies. Transportation still represents a sector largely dependent on fossil fuels, which come with several negative impacts. Measuring and assessing the sustainability of the transport sector becomes necessar...
Exploring features to classify occupational accidents in the retail sector
Sena, Inês; Braga, A. C.; Novais, Paulo; Fernandes, Florbela P.; Pacheco, Maria F.; Vaz, Clara B.; Lima, José; Pereira, Ana I.The Machine Learning approach is used in several application domains, and its exploitation in predicting accidents in occupational safety is relatively recent. The present study aims to apply different Machine Learning algorithms for classifying the occurrence or nonoccurrence of accidents at work in the retail sector. The approach consists of obtaining an impact score for each store and work unit, considering ...
Application of Benford’s law to detect signs of under-invoicing in companies in...
Martins, Ana Catarina Rodrigues; Alves, Jorge; Vaz, Clara B.The main objective of this study is to detect signs of under-invoicing by applying Benford‘s law to the Portuguese restaurant sector during the COVID-19 pandemic, in the context of government support policies. Between 2020 and 2021, the State adopted several measures to provide additional support to companies that have seen a significant decrease in their activity, namely, a reduction of at least 25% in turnove...
Predicting Retail Store Transaction Patterns: A Comparison of ARIMA and Machine...
Vaz, Clara B.; Sena, Inês; Braga, Ana Cristina; Novais, Paulo; Lima, José; Pereira, Ana I.Retail transactions represent sales of consumer goods, or final goods, by consumer companies. This sector faces security challenges due to the hustle and bustle of sales, affecting employees’ workload. In this context, it is essential to estimate the number of customers who will appear in the store daily so that companies can dynamically adjust employee schedules, aligning workforce capacity with expected deman...
Considerações iniciais do [I Congresso Internacional de Bem-Estar e Saúde Menta...
Galvão, Ana Maria; Vaz, Clara B.; Pais, Clarisse; Sánchez, SusanaO Bem-Estar e a Saúde Mental essenciais para que os estudantes do ensino superior possam desenvolver e alcançar sucesso no seu percurso académico e formativo e no seu processo de desenvolvimento pessoal. A transição para o ensino superior é uma fase marcante na vida dos jovens, trazendo consigo um conjunto de desafios e oportunidades. Enquanto é um momento de crescimento pessoal e académico, também pode ser uma...
Exploring Features to Classify Occupational Accidents in the Retail Sector
Sena, Inês; Braga, Ana Cristina; Novais, Paulo; Fernandes, Florbela P.; Pacheco, Maria F.; Vaz, Clara B.; Lima, José; Pereira, Ana I.The Machine Learning approach is used in several application domains, and its exploitation in predicting accidents in occupational safety is relatively recent. The present study aims to apply different Machine Learning algorithms for classifying the occurrence or nonoccurrence of accidents at work in the retail sector. The approach consists of obtaining an impact score for each store and work unit, considering ...
Desafios à intervenção psicológica no ensino superior: boas práticas App DREAM
Galvão, Ana Maria; Vaz, Clara B.; Pais, Clarisse; Pinheiro, MarcoO programa para a promoção da Saúde Mental (SM) no ensino superior preconiza o desenvolvimento e recurso aos meios digitais, como apps e/ou redes sociais; plataformas, direcionadas para a promoção da SM e com potencial de utilização, para serem mais acessíveis aos estudantes do Ensino Superior (EES). A App DREAM. (Design-thinking to Reach-out, Embrace and Acknowledge Mental heath) é uma ferramenta de autoajuda ...
D.R.E.A.M.: Design Thinking to Reach out, Embrace and Acknowledge Mental Health
Galvão, Ana Maria; Pais, Clarisse; Vaz, Clara B.; Cunha, BeatrizPROBLEM TO BE SOLVED Help students to promote their literacy in positive mental health and consequently improve their skills and attitudes in terms of quality of life and general well-being HOW IT CAN BE DONE Develop a digital guide with scientifically validated tips about dietary, sleep patterns and healthy habits, and self-diagnosis tools, such as a personality test, an anxiety test and a depression test, in ...