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Mostrando 1-12 de 1390 artigos, teses e dissertações.
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1. Mesh reinforcement in masonry mortar coatings: a systematic literature review
Abstract Mortar coatings have a major influence on a building’s aesthetics, valorization, and habitability, with significant effects on the mechanical behavior of masonry walls. Multiple types of meshes can be embedded in plaster to enhance both masonry and coating’s mechanical behavior, restrain crack formation, enhance the bonding between layers, and i
Cerâmica. Publicado em: 2023
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2. Flexible pavement with mining waste proposal - execution and analysis of an experimental section
Abstract The extraction of iron ore has a fundamental role in the Brazilian economy. However, such activity generates considerable volumes of waste whose disposal, even if regulated and licensed, has a significant environmental impact. The worldwide concern for sustainable practices along with the urgency for measures to mitigate environmental damage, justif
REM - International Engineering Journal. Publicado em: 2022
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3. Strong Stability Preserving Runge-Kutta Methods Applied to Water Hammer Problem
ABSTRACT The characteristic method of lines is the most used numerical method applied to the water hammer problem. It transforms a system of partial differential equations involving the independent variables time and space in two ordinary differential equations along the characteristics curves and then solve it numerically. This approach, although showing gr
Trends in Computational and Applied Mathematics. Publicado em: 2022
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4. Management strategies for implementing a multicenter cross-sectional study: lessons from the ADHERE Brazil study
ABSTRACT BACKGROUND: Epidemiological studies involving large samples usually face financial and operational challenges. OBJECTIVES: To describe the planning and execution of ADHERE Brazil, an epidemiological study on 1,105 kidney transplant patients, and report on how the study was structured, difficulties faced and solutions found. DESIGN AND SETTING: Cr
Sao Paulo Medical Journal. Publicado em: 2022
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5. The REBECGA Brazilian Registry of Pregnancy and Heart Disease: Rationale and Design
Abstract Background: Maternal mortality rates in Brazil remain above the goals established by the United Nations Sustainable Development Goals. Heart disease is estimated to affect 4% of all pregnancies and remains by itself the main indirect obstetric cause of maternal death. In the last decades, a significant improvement in the prognosis of heart diseases
Int. J. Cardiovasc. Sci.. Publicado em: 2021-08
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6. Reliability and geotechnical safety applied to deep foundations in precast concrete piles - case study
Abstract The Brazilian standard pertinent to the design and execution of foundations, NBR 6122/2019, establishes that the safety inspection of foundations of a given project must be conducted based on compliance with specified safety factors. Safety factor verification is imperative to meet regulatory requirements; however, it is not enough to guarantee the
REM, Int. Eng. J.. Publicado em: 2021-01
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7. VALIDATION OF ANALYTICAL METHODS IN A PHARMACEUTICAL QUALITY SYSTEM: AN OVERVIEW FOCUSED ON HPLC METHODS
Analytical validation has fundamental importance in the scope of Good Manufacturing Practice (GMP) for pharmaceutical products since it establishes scientific evidence that an analytical procedure provides reliable results. However, even with validation guidelines available it is very common to observe misunderstandings in the execution of validation and dat
Quím. Nova. Publicado em: 2020-09
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8. EXTRAÇÃO DO PARACETAMOL E ANÁLISE DA DISPERSÃO DA MASSA DE COMPRIMIDOS: COMPARANDO MEDICAMENTOS GENÉRICO E DE REFERÊNCIA EM LABORATÓRIO DE ENSINO
Medicines are employed in undergraduate courses as motivational strategy. The experiment herein developed compares the extraction of paracetamol from generic and brand name drugs. Tablets were used from two commercial sources purchased from local drugstores. Twenty tablets of each drug type were individually weighed to average weight analysis and mass disper
Quím. Nova. Publicado em: 2020-09
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9. A new proposal for the m + a methodology in segregating populations of cowpea
ABSTRACT The evaluation of segregating populations in plant breeding programs is an onerous and time-consuming process. Early identification of populations with genetic potential can be done by m + a methodology. However, the possibility of a modification in the traditional methodology in order to make it more efficient, that is, faster and cheaper, was envi
Bragantia. Publicado em: 2020-06
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10. A Protocol for Fish Lipid Analysis Using Nuclear Magnetic Resonance Spectroscopy
This article reports on an easy-to-follow methodology for fish lipids analysis, including the biological sample collection, lipid extraction, sample preparation, nuclear magnetic resonance (NMR) spectroscopy analysis and statistical data analysis, with details on parameters used for the NMR analysis and the care needed in each step execution. As an example o
J. Braz. Chem. Soc.. Publicado em: 2020-04
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11. Medical Behavior in Cardiorespiratory Arrest before and After Simulation Based on Advanced Cardiac Life Support (ACLS) Course
Abstract Background: The Advanced Cardiac Life Support (ACLS) course is designed to teach cardiovascular emergency, aiming to promote a harmonious and synchronized work of the entire hospital team, making the multidisciplinary job more effective in the execution of cardiopulmonary resuscitation (CPR). Objective: To compare the effectiveness of CPR performe
Int. J. Cardiovasc. Sci.. Publicado em: 2020-04
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12. Quantification of Myocardial Ischemia: Comparison between Myocardial SPECT and 13NH3 PET/TC
Abstract Background: The Advanced Cardiac Life Support (ACLS) course is designed to teach cardiovascular emergency, aiming to promote a harmonious and synchronized work of the entire hospital team, making the multidisciplinary job more effective in the execution of cardiopulmonary resuscitation (CPR). Objective: To compare the effectiveness of CPR performe
Int. J. Cardiovasc. Sci.. Publicado em: 2020-04