Resources
Mostrando 13-24 de 7078 artigos, teses e dissertações.
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13. Mechanical properties and fractography of cement-based composites reinforced by natural piassava and jute fibers
Abstract Today’s demand for environmentally friendly and energy-efficient solutions to the construction industry has driven researchers to match natural resources with traditional technics to develop new building technologies. However, there are literature limitations about the correlation of fiber-matrix interface with the failure of natural fibers in mor
Cerâmica. Publicado em: 2022
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14. THE TWO “MULTIS” AND THE MULTILITERACIES PEDAGOGY: “SHAKING HANDS” IN THE BRAZILIAN ENGLISH PUBLIC EDUCATION FOR TEENS
Abstract 1English school textbooks have a long tradition in the Brazilian public sector of education. Most often they are the only pedagogical resources in an English classroom. English public textbooks are submitted to a National Program for evaluation and this educational policy has had positive impacts on these materials. This article analyzes one of the
Ilha do Desterro. Publicado em: 2022
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15. Physicians’ income in Brazil: a study on information sources
SUMMARY OBJECTIVE: Data on physicians’ income are relevant for well-informed health policies, both due to their strategic role and the volume of resources that their activities represent to health systems. In Brazil, multiple sources of data measure the income of these professionals, each one with singularities that generate a complex and heterogeneous pi
Revista da Associação Médica Brasileira. Publicado em: 2022
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16. Innovation capabilities in agribusiness: evidence from Brazil
Abstract Purpose This paper aims to identify the winning combination of innovation capabilities for selected Brazilian agribusiness firms along different value chain links. Design/methodology/approach Adopting a quantitative approach, the authors analyzed the relationship between innovation capabilities and innovative performance of 300 agribusiness firms
RAUSP Management Journal. Publicado em: 2022
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17. Impact of COVID-19 on Cardiothoracic Surgery: Experience of Alexandria (Egypt) Main University Hospital
ABSTRACT Introduction: The current coronavirus pandemic has greatly strained the limited resources that had previously maintained the sustainability of the high-cost cardiothoracic surgeries in low-income countries like Egypt. Methods: Hospital databases and patients’ records were reviewed to evaluate the impact of the pandemic on the workflow and waitin
Brazilian Journal of Cardiovascular Surgery. Publicado em: 2022
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18. Early Mobilization Prescription in Patients Undergoing Cardiac Surgery: Systematic Review
ABSTRACT Introduction: Early mobilization of patients in the postoperative period of cardiac surgery who are hospitalized in the intensive care unit (ICU) is a practice that has a positive impact. Methods: This is a systematic review of studies published until September 2020 in the Medical Literature Analysis and Retrieval System Online (or MEDLINE®), Emb
Brazilian Journal of Cardiovascular Surgery. Publicado em: 2022
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19. Prediction of diametric and dynamic structures in a semiarid forest (Caatinga) area submitted to Forest Management, Brazil
ABSTRACT Dynamics studies associated with prognosis can support planning actions for the conservation and sustainable use of forest resources. Therefore, the objective of this study was to evaluate the dynamics and predict the diameter structure using the Markov chain model for an area of caatinga forest submitted to different management practices. The study
Revista Ceres. Publicado em: 2022
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20. Spectrofluorimetric Determination of Hydrochlorothiazide by a Carbon Dots-Based Probe via Inner Filtering Effect and Resonance Rayleigh Scattering
Synthesis of carbon dots (CDs) from natural resources not only enables green synthesis and production of environmentally friendly materials, but also provides a cost-effective probe as a fluorescence nanosensor. The proposed sensor introduces a unique one-pot hydrothermal CDs synthesis from alfalfa leaves, which is promising for sensing hydrochlorothiazide (
Journal of the Brazilian Chemical Society. Publicado em: 2022
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21. Obtainment of a new metal matrix composite from the recycling of UNS S31803 duplex stainless steel by powder metallurgy
Abstract The purpose of circular economy is to maximize resources efficiency. With the increase in consumption of raw materials, energy and waste generation, recycling is necessary for environmental and industrial reasons. Thus, the powder metallurgy, together with mechanical milling, stands as a new method for scraps recycling. This study aimed to produce U
REM - International Engineering Journal. Publicado em: 2022
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22. Impact of ICU bed availability on ovarian cancer surgical hospitalization rates during the first wave of the coronavirus disease 2019 pandemic
SUMMARY OBJECTIVES: The coronavirus disease 2019 pandemic, which began in 2020, disrupted healthcare services. Reports of changes in surgical activities coincide with the outbreak period. We aimed to identify if changes could be determined in hospitalization rates of ovarian cancer patients from 2016 to 2020, comparing pre-pandemic and pandemic levels. MET
Revista da Associação Médica Brasileira. Publicado em: 2022
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23. Groundwater resources for agricultural purposes in the Brazilian semi-arid region
RESUMO A explotação dos recursos hídricos subterrâneos sem a caracterização adequada das reservas hídricas compromete a quantidade e a qualidade da água disponível no futuro. Um grande desafio é encontrar métodos ou coeficientes apropriados para avaliar a capacidade de recarga do aquífero. Objetivou-se caracterizar qualiquantitativamente as reser
Revista Brasileira de Engenharia Agrícola e Ambiental. Publicado em: 2022
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24. Open Access Library and Information Science journals: an analysis of the adopted business models
RESUMO Este estudo objetiva investigar os modelos de negócios praticados por periódicos científicos de acesso aberto das áreas de Ciência da Informação e Biblioteconomia, indexados no Directory of Open Access Journals (DOAJ). Utilizou-se a abordagem quanti-qualitativa, um estudo de cunho exploratório, com o emprego do método documental. Os dados for
Perspectivas em Ciência da Informação. Publicado em: 2022