Abstract: Predicting explosion parameters is an important step when planning for blast tests or the design of blast resistant buildings. This paper presents a comparison of recorded pressure that was reflected on the surface of reinforced concrete slabs with and withou

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Abstract: Heat can be used as an adjuvant treatment of many diseases and also as a powerful tool to help diagnose cancers, with the advantage to be a noninvasive exam. Some tumors may be best diagnosed by evaluating body temperature distribution, for instance, it is ob

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Abstract: The goal of this study was to evaluate the in vitro cellular toxicity and biological behavior of new bone graft composites after subcutaneous implantation during remodeling and wound-healing processes. We developed composites based on hydroxyapatite (obtained

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Abstract: The low-cost production of cellulolytic complexes that present high action at mild conditions is one of the major bottlenecks for the economic viability of the production of cellulosic ethanol. The influence of agro-industrial residues was assessed to enhance

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Abstract: The use of biological prosthetic valves has increased considerably in recent decades since they have several advantages over mechanical ones, but they still possess the great disadvantage of having a relatively short lifetime. An understudied phenomenon is th

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Abstract: In this study we evaluate estimated lacunarity in three different databases using the power (standard) and gamma model. Results showed that estimates of lacunarity using gamma regression model was superior to those with the power regression model. The gamma r

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Abstract: Nowadays, petroleum is the most used energy source in the world, however it also produces a great volume of a residue denominated produced water (PW). This water has no commercial value and requires treatment, due to potential contaminants in its composition,

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Abstract: The new urban order in the territorialization of cities, in general, is based on the principles of an ever more fragmented and dispersed growth across the territory. However, the growth of the urban area of Maringá diverges from this new order, retaining its

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Abstract: The objective of the study with ‘Gigante’ cactus pear was to determine the size of plots that optimize the implementation of experiments with greater accuracy, spatial adequacy and efficiency of use of the experimental area by the Hatheway method (1961). The

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Abstract: Hyaluronic acid (HA) has biological functions of interest to medical and cosmetic industries. The optimization of a fermentation medium contributes to improve the microbial production of the polymer on a large scale and make the product more accessible to the

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Abstract: This study was performed to evaluate of active biodegradable packaging applied to low-sodium beef burgers stored at -18.C for 120 days. It was tested four treatments: Beef burgers with 25% (B25) and 50% (B50) of sodium reduction and biodegradable packaging an

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Abstract: Consumption of biofortified foods such as sweet potatoes with high content of β-carotene may reduce deficiency of this micronutrient. The development of biofortified sweet potato chips expands the distribution and offers an alternative to the consumption of t

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Abstract: The application of carbon fiber reinforced polymers (CFRP) as method of strengthening for concrete structures is replacing the conventional strengthening through the bonding of steel plates. However, since it is a recent technique, several codes from differen

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Abstract: Public services management is a fundamental role to public institutions, providing society with proper resources for a better quality of life. Local characteristics should be considered during public policies planning; however, generalizations are adopted to

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Abstract: In some studies, there is interest in testing the variance structure, as in the context of multivariate or modelling techniques. Therefore, the importance of using hypothesis tests on covariance structures is emphasized. The purpose of this study was to perfo

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Abstract: This paper evaluates internal combustion engine performance parameters (Specific Fuel Consumption and engine torque) and pollutant emissions (O., CO, and NO.), and also, provide an assessment of economic viability for operation in Amazonas state. Power supply

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Abstract: In this work, a “green” Aspergillus niger lipase obtained from the solid-state fermentation of Hancornia speciosa (“mangaba”) seeds was efficiently immobilised on polyethersulfone membranes (PES) by physical adsorption (PES-ADS-lipase) and covalent bonding (P

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Abstract: The fruits belonging to the family Myrtaceae are known sources of compounds with functional characteristics. Nevertheless, the studies are focused only on some species of this family. In this sense, we aimed to quantify the bioactive compounds present in the

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Abstract: The main objective of this study was to propose the application of soil-lime mixtures asa primary coating layerof unpavedforestroads based on the premise that this layer can be considered mechanically similar to a flexible pavementsub base layer, aiming to fi

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Abstract: This study evaluated the toxicity of food flavorings of mint, cinnamon and lemon in meristem root cells of Allium cepa, in pure form (as marketed) and in the concentrations of 12.5, 25, and 50%, after 24 and 48 hours of exposure; in Vero cell culture evaluate

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Abstract: Considering the importance of technical accessibility parameters to the adequacy of urban areas for all people, this study aimed to develop a quantification method of pedestrian accessibility based on the technical standardization. The Accessibility of Walkab

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Abstract: This study aimed to isolate Staphylococcus aureus in refrigerated raw cow milk, and identify the presence of enterotoxin-expression genes, enterotoxin production and adherence ability, and antimicrobial resistance potential of the isolated strains. Fifty raw

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Abstract: Even though numerical simulators that use the finite difference approach to model the oil and gas fields and to forecast the field performance are popular in the petroleum industry, they suffer from a very long central processing unit (CPU) time in the comple

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Abstract: High sodium consumption may increase the risk of hypertension. ANVISA has proposed reducing sodium levels in food, but this may reduce consumer acceptance. This study investigated the technological and sensory profile of samples of beef burger replacing NaCl

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Abstract: The Brazilian hydrological information network does not provide data series of daily velocities. The river velocities are important for the study of hydrokinetic potential. Therefore, the work proposes a model called flow-velocity that estimates the average d

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Abstract: Zingiber officinale, popularly known as ginger, it is in National Relations of Medicinal Plants of Interest to SUS (RENISUS) aiming at the appropriate and safe use of medicinal plants. Then, it is necessary to characterize and determine their bioactive compou

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Abstract: Whey protein has high biological value and functional properties. Therefore, it is necessary to develop methods to recover this valuable protein and minimize the environmental impacts. Adsorptive processes using alternative adsorbents from agroindustrial wast

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Abstract: The present study aimed to analyze the growth of Chlorella vulgaris in the effluent of a Biofloc Technology (BFT) system used in the Nile tilapia fingerlings farming. The conditions were cultivated by 10 days at 25 ± 2ºC, 90 μmol photons m−2 .−1 irradiance, u

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Abstract: Hydrophobic carriers can be used to improve the activity, stability and other properties of enzymes. Physical agents, like ultrasound, may also contribute to improving the dispersion and collision of the reagent molecules, decreasing the reaction time and int

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Abstract: Zinc uptake is essential for crop development; thus, knowledge about soil zinc availability is fundamental for fertilization in periods of higher crop demand. A nonlinear first-order kinetic model has been employed to evaluate zinc availability. Studies usual

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Abstract: In recent decades, scientific and academic researchers around the world have been concerned with the assessment of regional and global climate trends. Under the hypothesis of the presence of climate change in Brazil, the aim of this work was to verify annual

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Abstract: This work uses non-hierarchical grouping methods to evaluate the quality of the groups formed by plate cisterns according to some water quality variables. These methods use the cluster validation criterion to determine the optimal partition, which provides th

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Abstract: Most of the solar collectors experiments are carried out under clear-sky conditions to evaluate the maximum performance of collectors, even though this condition is not critical for some uses, such as cooking. The optical and thermal performance of a solar ov

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Abstract: This paper considers the characteristics of satellite television transmission in the world. An overview of the development of satellite television is given through the following characteristics: broadcasting systems - analog and digital (SDTV, HDTV, UHDTV), f

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Abstract: In the present work, the synthesis of Co/SBA-15 catalysts intended for Fischer-Tropsch (FT) synthesis was performed. During the synthesis of catalysts there was contamination of samples with sodium nitrate due to the nature of the reducing agent used for the

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Abstract: The Information and Communication Technology (ICT) becomes a critical area to business success; organizations need to adopt additional measures to ensure the availability of their services. However, such services are often not planned, analyzed and monitored,

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Abstract: Cities keep growing, and in most of the cases this expansion process is hard to model and describe for planning actions. Quantitative methods are increasingly used to help planning, monitoring, and regulating urban land-use processes. Remote sensing images se

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Abstract: Syzygium malaccense belongs to the family Myrtaceae and it is popularly recognised as ‘jambo’ in Brazil. It is poorly studied regarding the bioactive compounds of fruits and leaves. This study aimed at optimizing the extraction and characterization of bioacti

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Abstract: The excessive use of phthalates (PHEs) plasticizers has promoted a serious environmental problem. This study evaluated the biodegradation of PHEs from polyvinyl chloride (PVC) film, aiming to mitigate damage to the environment. Therefore, 23 microorganisms we

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Abstract: Competitiveness in the aircraft manufacturing industry requires continuous improvement and modernization of its manufacturing processes, in order to keep the companies competitive in the market. In this context, the use of advanced manufacturing technologies

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Abstract: The Brazilian fish farming in Federal reservoirs is being discouraged by the country's current legal system due to the bureaucracy and the involvement of many agencies. This research provides a survey of the problems related to the current processes of Author

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Abstract: The aim of this study is to quantify the energy savings of a library in the city of Foz do Iguaçu/Brazil, through simulations in EnergyPlus. Due to the great participation of air conditioning in the electric consumption of the building under study, the follow

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Abstract: This work evaluated the effect of NaCl reduction on the quality and sensorial attributes of hamburgers. Three treatments were tested: control (CON), 100% NaCl; reduction of 25% NaCl (T25), and one with 50% NaCl (T50). The pH, color, lipid oxidation, cooking l

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Abstract: The objective of this study was to evaluate the physical, chemical and bioactive behavior of the tomatoes of the commercialized tomato at the Central of Supply of Goiás at different times of the year and stored for 15 days in ambient conditions and propose th

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Abstract: Spent yeast biomass is one of the residues of brewing. It is specifically the second-largest residue from brewing industry. Most of the spent yeast is sold at low prices, or disposed as waste or used as animal feed. Spent yeast biomass is predominantly compos

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Abstract: Kiwifruit slices were dried at four different air drying temperatures of 50, 55, 60 and 70ºC and at 2 m s-1 air velocity by using a cabinet dryer in this study. The drying, rehydration and colour characteristics were significantly influenced by pretreatment a

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Abstract: A new approach to data analysis in mixture experiments is proposed using the simplex regression, that is in the class of dispersion models family. The advantages of this approach are illustrated in an experiment studying the mixture effect of fat, carbohydrat

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Abstract: In the Brazilian industries, the inoculum used throughout the harvest of ethanol production consists of a combination of two or more yeast strains. The combination of yeasts may influence in the metabolic pathways of microorganisms and increase the yields and

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Abstract: In some studies, there is interest in testing the variance structure, as in the context of multivariate or modelling techniques. Therefore, the importance of using hypothesis tests on covariance structures is emphasized. The purpose of this study was to perfo

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Abstract: The increasing demand for water resources (primarily for human consumption and industrial and agricultural activity) is driven by socio-economic development, and population growth. Recent research has been focusing on alternative coagulants based on natural e

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Abstract: The lipid composition is directly related to nutritious significance of fish meat. In this paper we evaluate the possibility of tuning lipid composition of Nile Tilapia fillet changing the feeding treatments with different levels of energy and protein using l

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Abstract: The propagation of soliton waves is simulated through splices in quadratic optical media, in which fluctuations of dielectric parameters occur. A new numerical scheme was developed to solve the complex system of partial differential equations (PDE) that descr

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Abstract: The emission of sounds is an important means of communication between animals, which helps them to find a partner, establish their territory, and even alert other members of a population about a possible threat. In human beings, the emission of sounds allows

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Abstract: The aim of this study was to evaluate the synthesis of pectinase from Penicillium brasilianum in shake flasks and address their potential for industrial applications. A Plackett-Burman design followed by a complete second order design were used for the screen

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Abstract: The study of pigment adsorption of yeasts used for table olive fermentation may allow the protection of olive colour, by excluding those strains adsorbing phenolic compounds responsible for the colour. Fifty-one table olive yeasts were grown on Petri dishes u

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Abstract: This paper presents an experimental study on three different capillary structure technologies of heat pipes for application in the thermal management of electronic packaging. The first capillary structure is that of axial grooves manufactured by wire electric

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Abstract: Air pollution is a relevant issue studied worldwide, and its prediction is important for social and economic management. Linear multivariate regression models (LMR) and artificial neural networks (ANN) are widely applied to forecasting concentrations of pollu

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Abstract: The objective of this study was to evaluate the use of cocoa shell as an alternative substrate for the production of endoglucanase and xylanase by Aspergillus orizae ATCC 10124 in solid-state fermentation. The fermentation assays were performed using cocoa sh

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Abstract: The aim of this work was to evaluate different concentrations of ethanol on antioxidant (phenolic and flavonoid) compounds extraction of Mentha x Piperita aiming at applying the extract in whey-based dairy beverages. The extracts were obtained by cold macerat

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Abstract: Solar thermal systems consist of water heating from the global solar radiation. Increasing atmospheric concentrations of greenhouse gases tend to increase the earth's surface temperature. The main objective of this work was to estimate the solar fraction obta

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