3121255 documents found, page 311996 of 312126

Epidemiologia de Trichomonas vaginalis em mulheres

A tricomoniose é uma das Doenças Sexualmente Transmissíveis (DSTs) não viral mais comum em todo mundo, com uma incidência anual superior a 180 milhões de casos. A Organização Mundial de Saúde estimou que esta infecção explica quase 50 % de todas as DSTs com cura em todo o mundo. Em Portugal poucos têm sido os trabalhos de carácter epidemiológico realizados sobre parasitose. Assim, o objectivo deste estudo consi...

Uma plataforma web de formação para a AABr em tempos de pandemia

O presente estudo procurou compreender a importância da utilização de um ambiente de aprendizagem virtual, com recurso à implementação e utilização da plataforma Chamilo, com dinamização de um conjunto de situações de aprendizagem no âmbito do e-learning que favorecesse a construção de conhecimento tirando partido da interação com os conteúdos e da interação com os parceiros de aprendizagem através das diversas...

Analysis of the effect of environmental conditions on the performance of retail...

The assessment of performance in retailing services has gained considerable attention in recent years. The increased competition motivated the organisations to strive for efficiency in order to cut costs and deliver better customer services. This paper develops a method based on Data Envelopment Analysis (DEA) for the efficiency assessment of retailing stores. The method enables the quantification of inefficien...

Erratum: Solubilities of biologically active phenolic compounds: Measurements a...

Machine learning classification of consumption habits of creatine supplements i...

The aim is to identify usage patterns and the main factors that influence creatine supplementation, providing a basis for future educational interventions and recommendations for safe and effective use. The study was applied to gym goers in Bragança, where a QR code for a survey was released. 158 people participated, 65 non-consumers of creatine supplementation (37.34% men; 22.78% women) and 95 consumers (15.19...

Phenolic composition and bioactivity of Lavandula pedunculata (Mill.) Cav. samp...

The aim of this study was to characterize the phenolic composition and evaluate the bioactivity of several samples of Lavandula pedunculata (Mill.) Cav, and to compare aqueous and hydroethanolic extracts. Plant materials were obtained by growing some accessions (seed samples) of various wild populations from different regions of Portugal conserved at the Portuguese Genebank in Braga. Phenolic compounds were ana...

Valorização e aproveitamento dos pombais tradicionais em Trás-os-Montes. Situaç...

Os pombais tradicionais são construções típicas da paisagem rural do Nordeste Transmontano e são um exemplo da arquitectura rural transmontana. O declínio das actividades agrícolas e pecuárias e o progressivo despovoamento do meio rural, fez com que muitas destas construções fossem abandonadas. Vão-se degradando, num processo que conduzirá à sua ruína. A valorização e aproveitamento dos pombais tradicionais pod...

Habitat use by native and stocked trout (Salmo trutta L.) in two northeast stre...

Habitat use by stocked and native brown trout (Salmo trutta L.) was assessed in two headwater streams of northeastern Portugal. Underwater observations were made during the summer season in three successive years to evaluate the effect of supplemental trout stocking. Multivariate analysis techniques applied to microhabitat use data sets were used to identify the focal elevation (distance of fish from the bottom...

Dating violence: an exploratory characterization study in social education stud...

Dating violence among young people in Higher Education hás been pointed out by national and intemational research as a topic of extreme relevance. The purpose of this study is: (i) to characterize the prevalence of victimization behaviors and perpetration of dating violence, distinguishing the studenfs own behavior and his/her partner; (ii) to compare the prevalence of dating violence according to the years of ...

A neural network approach in WSN real-time monitoring system to measure indoor ...

Indoor Air Quality (IAQ) pertains to the air quality within a specific space and is directly linked to the well-being and comfort of its occupants. In line with this objective, this research presents a real-time system dedicated to monitoring and predicting IAQ, encompassing both thermal comfort and gas concentration. The system initiates with a data acquisition, wherein a set of sensors captures environmental ...