4 resultados para Extinction

em Instituto Politécnico do Porto, Portugal


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Following the alterations and additions to the pharmaceutical law of Lithuanian Republic the pharmaceutical activity in Lithuanian pharmacies is carried out by pharmacy specialists – pharmacists and pharmacy assistants (pharmacy technicians). The ability of pharmacy specialists to adapt, to improve and to develop their competencies is one of the success preconditions for Lithuanian health care pharmacy sector. Work aim: to investigate the changes among the specialists employed in pharmacies and pharmacy sector as well as to highlight the necessity to develop the qualification of pharmacy assistants (pharmacy technicians) according to the modern pharmaceutical legal basis in Lithuania. In 2008–2011 the research in Lithuanian pharmacy sector was performed which identified the changes in the numbers of pharmacies and their staff: the number of pharmacies decreased, while the number of pharmacists increased and the number of the assistants of pharmacists (pharmacy technicians) decreased. The decrease in the number of the assistants of pharmacists (pharmacy technicians) and the danger of their extinction in the future has been identified. The qualification appraisal for pharmacy assistants (pharmacy technicians) is implemented through the leveling studies at the Pharmacy technique department at the Health care faculty of Kauno Kolegija University of applied sciences and pharmacy study programme at the faculty of Pharmacy of Medical Academy at Lithuanian University of Health Sciences. 75 % of respondents use their own money to pay for the qualification appraisal, and 25 % of respondents get financial support for the qualification appraisal activities from the pharmacy managers.

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A flow-spectrophotometric method is proposed for the routine determination of tartaric acid in wines. The reaction between tartaric acid and vanadate in acetic media is carried out in flowing conditions and the subsequent colored complex is monitored at 475 nm. The stability of the complex and the corresponding formation constant are presented. The effect of wavelength and pH was evaluated by batch experiments. The selected conditions were transposed to a flowinjection analytical system. Optimization of several flow parameters such as reactor lengths, flow-rate and injection volume was carried out. Using optimized conditions, a linear behavior was observed up to 1000 µg mL-1 tartaric acid, with a molar extinction coefficient of 450 L mg-1 cm-1 and ± 1 % repeatability. Sample throughput was 25 samples per hour. The flow-spectrophotometric method was satisfactorily applied to the quantification of tartaric acid (TA) in wines from different sources. Its accuracy was confirmed by statistical comparison to the conventional Rebelein procedure and to a certified analytical method carried out in a routine laboratory.

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Mestrado em Educação e Intervenção Social - Desenvolvimento Comunitário e Educação de Adultos

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A Segurança Contra Incêndios em Edifícios representa uma parte importante nos projetos de engenharia, uma vez que tem de ser analisada e implementada desde o início da construção. O principal objetivo é oferecer confiança aos utilizadores dos edifícios, aos seus bens e sistemas, sempre de acordo com a lei. Em qualquer tipo de edifício é iminente a capacidade de, por diversos motivos e circunstâncias, se iniciar um incêndio. O que se pretende com toda a regulamentação e matéria sobre a Segurança Contra Incêndios em Edifícios é a aplicação de sistemas de deteção, prevenção e extinção de incêndios, conseguindo, deste modo, reduzir os seus efeitos negativos. Este relatório de estágio apresenta, de um modo geral, a importância da Segurança Contra Incêndios em Edifícios atualmente nas construções, quais as principais regras neste âmbito, bem como a apresentação de todos os equipamentos e sistemas que fazem parte dos sistemas de SCIE. O presente relatório culmina com a vertente prática que consiste na descrição de casos acompanhados durante os meses de estágio, vistorias efetuadas e ensaios de incêndio. Os fenómenos inerentes a um alarme de incêndio serão descritos e comprovados em situações reais de simulação.