97 documents found, page 1 of 10
A Influência do Ambiente Familiar no Abuso Cibernético no Namoro
Silva, HelenaO avanço das tecnologias digitais tem transformado profundamente a dinâmica das relações amorosas entre os/as jovens, promovendo uma comunicação constante, mas também abrindo espaço para novas formas de comportamentos abusivos, como o abuso cibernético no namoro (Marganski & Melander, 2015; Smith, Ireland, Park, Elwyn, & Thornberry, 2011; Strickland & Mosley, 2023; Villora, Yubero, & Navarro, 2019). A presente ...
Protection of Steel Structures against Fire and Corrosion by Paint Coatings: A ...
Ferreira, Cristina; Gonçalves, Rita; Alves, Isabel N.; Vieira, Ana; Donato, Mariana; Morgado, Vanessa; Silva, HelenaABSTRACT: Steel structural systems in modular construction must be protected against corrosion and fire exposure. The durability of both protective properties plays a key role in ensuring long-term service life and minimizing maintenance costs. The present work aims to validate anticorrosive protection systems for steel structures, with and without fire protection properties, evaluating degradation mechanisms a...
Analysis of Stereotyped B-Cell Receptor Frequencies Among Portuguese De Novo-Di...
Alves, Daniela; Ferreira, Gisela; Caldas, Joana; Fernandes, Mariana; Gaspar, Cátia; Alpoim, Mafalda; Carvalhais, Inês; Duarte, Sara; Silva, HelenaBackground/objectives: Chronic lymphocytic leukemia (CLL) exhibits a heterogeneous clinical course influenced by genetic factors, such as the mutational status of immunoglobulin variable regions (IGHV). Recently, B-cell receptor (BcR) stereotypes have shown promising prognostic value, potentially surpassing IGHV status. The PAIS study analyzed BcR stereotypes and IGHV mutations in newly diagnosed Portuguese CLL...
Guia botânico: plantas das dunas
Donati, Ana Clara; Silveira, Paulo; Silva, HelenaSem resumo disponível.
O impacto do teletrabalho na saúde mental dos professores universitários: Revis...
Carneiro, Catarina; Silva, Helena; Souza, Thácia; Pinto, Ivone; Borges, ElisabeteResumo: Devido à pandemia por COVID-19, foi necessário a implementação de restrições aos cidadãos, como medidas preventivas de proliferação. A obrigatoriedade de teletrabalho, quando possível, foi uma das medidas implementadas. Desta forma, todos os grupos profissionais viram as suas condições de trabalho alteradas. Com o encerramento das universidades foi necessário a adoção do regime de teletrabalho por parte...
Commercial viability of an online pharmacy
Silva, Helena; Mourão, Maria Filipa; Carvalho, PedroThe e-commerce market in Portugal was extremely driven by the conjuncture of the Covid 19 Pandemic, leading several sectors of traditional commerce to face the need to reach their customers through online communication channels. In this context, Portuguese pharmacies were no exception, having recognized the importance of electronic commerce for the marketing of their products. Now, this observation led us to th...
COOPERATIVE LEARNING IN THE DEVELOPMENT OF CRITICAL AND CREATIVE THINKING: REPO...
Magalhães, Maria; Silva, Helena; Lopes, JoséThis communication is part of a doctoral project whose main objective is to understand the effects of cooperative learning on the development of Critical and Creative Thinking in STEAM (Science, Technology, Engineering, Arts and Mathematics) students, with the aim of providing evidence to support pedagogical approaches in line with the Profile of Students Leaving Compulsory Schooling. The aim is to report on on...
Loneliness in the Quality of Non-institutionalized Elderly People
Morais, Filomena; Silva, Helena; Reis, Inês; Ramalho, Jorge; Marques, Maria do Céu; Moreira, Maria de FátimaAbstract. Objectives: This study aims to understand the interference of loneliness in the quality of life of non-institutionalized elderly people over 65 years old. Methods: A systematic literature review was carried out according to the protocol of the Joanna Briggs Institute. The searchwas carried out in two search engines (Bon and EBSCO) to access electronic databases for collecting articleswith the latest s...
Guia ilustrado dos fetos de Dare (Timor Leste)
Costa, Hermenegildo; Silva, Helena; Silveira, PauloSem resumo disponível.
Labdanum resin from Cistus ladanifer L. : evaluation of residual water vs. extr...
Frazão, David F.; Mesquita, Maria da Conceição; Silva, Helena; Silva, Amélia M.; Gonçalves, José CarlosCistus ladanifer L. (Cistaceae) is an endemic and abundant resource in the Iberian Peninsula and North Africa. This plant exudes an aromatic resin nowadays valued in the perfumery and fragrance industry. Traditional processes for the extraction and isolation of such resin use boiling water or alkaline water followed by acidic precipitation. However, a concern arises about the effluents resulting from these extr...