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Physicochemical monitoring of wastewater from a sugar and ethanol industry after bioaugmentation, with a proposal for reuse

Abstract: The sugar and ethanol industry generates large quantities of waste liquids. If untreated effluents are used in fertigation, they might contaminate groundwater and, if they are released into water bodies, they might also jeopardize the survival of the aquatic

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Utilization of low-cost substrates for the production of nystose by Bacillus subtilis natto cct 7712

Abstract: Current analysis describes the capacity of Bacillus subtilis natto CCT 7712 to produce high amounts of nystose by low-cost substrates available in Brazil, such as commercial sucrose, sugarcane molasses and sugarcane juice. Optimization resulted in a maximum p

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Perilla frutescens: a potential ingredient for the enhancement of white bread as a source of Omega-3

Abstract: Perilla frutescens seeds are rich in Omega-3 fatty acids which are important for human health. Intake of fatty acids depends on their presence in popular foods such as white bread. Current study evaluates the replacement of wheat flour by whole perilla at 1,

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Physicochemical, microbiological and microscopic evaluation of artisanal rapaduras produced in Cuiabá, Mato Grosso, Brazil

Abstract: The aim of this work was the physicochemical, microbiological and microscopic evaluation of artisanal rapaduras produced in Cuiabá, Mato Grosso State, Brazil. The determination of the proximal composition, pH and the microscopic analyses were made according t

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Quantification and characterization of the production of biogas from blends of agro-industrial wastes in a large-scale demonstration plant

Abstract: The use of energy contained in biogas is an interesting alternative to reconcile renewable electric power generation to environmental sanitation. Among the technologies used for recovering energy from biomass, the anaerobic digestion demonstrates ability to t

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Basalt waste added to Portland cement

Abstract: Portland cement is widely used as a building material and more than 4.3 billion tons were produced in 2014, with increasing environmental impacts by this industry, mainly through CO2 emissions and consumption of non-removable raw materials. Several by-product

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Carbon fiber reinforced polymer (CFRP) inserted in different configurations of the tensile zone retrofitting with microconcrete containing steel fibers to the strengthening of beams

Abstract: It is researched, in this study, the strengthening technique known as Near Surface Mounted (NSM), which consists of the insertion of laminates of Carbon Fiber Reinforced Polymer (CFRP) into notches in the covering concrete structures. In the strengthening in

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Cost-benefit analysis of the construction of different flexible pavement structures considering the axle load and type of binder

Abstract: The status of Brazilian highways reflects a deficient pavement performance when they are subjected to loadings imposed by heavy traffic. Current legislation, as enacted by Contran (National Traffic Council), has increased the axle weight limit for cargo vehic

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Tension stiffening of steel-fiber-reinforced concrete

Abstract: In this paper, the mechanical behavior of steel-fiber-reinforced concrete was investigated to analyze the influence of steel fibers on tension stiffening. Using tension tests, the tension stiffening coefficient was evaluated through the load versus strain res

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Influence of different types of sharpening in straight flute drills on burr formation

Abstract: Drilling is among the most important manufacturing processes in modern industry. Information on the dynamics of the drilling process is very important to define optimum input parameters. The minimization of burrs is a great challenge in drilling process. Curr

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Inverse problem for porosity estimation during solidification of TNT

Abstract: In the present study, the porosity formed during the solidification process is estimated by an inverse problem technique based on particle swarm optimization. The effective heat capacity method is adopted to model the heat transfer problem. The transient-diff

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Vitamin C supplementation on growth performance and gonadal development in Nile tilapia

Abstract: The study aimed to verify the vitamin C supplementation on performance and gonadal development of Nile tilapia. 160 fingerlings distributed in 16 tanks with 65 L capacity and constant water renewal in a closed recirculation system were used. The design was co

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Electro-flocculation associated with the extract of Moringa oleifera Lam as natural coagulant for the removal of reactive blue 5G dye

Abstract: Although an important significant sector in world economy, the textile industry is known for its large volumes of wastewater generated in production processes. In the search for cleaner technologies, the application of electrochemical processes, such as elect

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Comparisons of multivariate GR&R methods using bootstrap confidence interval

Abstract: This paper aimed to compare the performance of multivariate GR&R (gage repeatability and reproducibility) studies based on PCA (principal component analysis) and Manova (multivariate analysis of variance) methods. To estimate the multivariate gauge index, geo

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Simtrac – an application for simulation of traction efficiency of agricultural tractors with front wheel assist

Abstract: Process mechanization has contributed significantly to the increase of agricultural productivity, although the correct selection of machines must take into account a set of technical, administrative and economic parameters. Mathematical modeling of the soil a

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