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Mostrando 13-24 de 183 artigos, teses e dissertações.
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13. Microbiologically-Influenced Corrosion of 1020 Carbon Steel in Artificial Seawater Using Garlic Oil as Natural Biocide
This work aims evaluate the use of biocides in the microbiologically-influenced corrosion (MIC) of AISI 1020 carbon steel by sulfate-reducing bacteria (SRB) in artificial seawater. A natural biocide (garlic oil) and a commercial biocide (glutaraldehyde) were used to control the corrosion caused by these bacteria in artificial seawater. Microbial growth on th
Mat. Res.. Publicado em: 30/05/2019
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14. Commercial and non-commercial pectinase and cellulase on the enzymatic hydrolysis efficacy of rice husk and Tifton 85 hay
ABSTRACT. The aim of this study was to evaluate the action of commercial and non-commercial cellulase and pectinase on rice husk and Tifton 85 hay hydrolyses. The hydrolysis kinetics of the substrates with commercial cellulase and pectinase were evaluated and the hydrolysis at different temperature and agitation conditions was maximized using experimental de
Acta Sci., Anim. Sci.. Publicado em: 29/04/2019
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15. Modelo de regressão linear múltipla para avaliação do valor de mercado de apartamentos residenciais em Fortaleza, CE
Resumo A avaliação de imóveis, que auxilia na definição do valor de mercado, é uma ciência importante e com vasto campo de atuação, seja na cobrança de impostos, transações comerciais, seguros e perícias judiciais, por exemplo. Este trabalho apresenta a construção de um modelo de regressão linear para determinação do valor de mercado (vari�
Ambient. constr.. Publicado em: 2019-03
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16. Comparison of the efficacy of QoI fungicides, alone or in mixture with triazoles, in Asian soybean rust control, 2016/17 growing season
RESUMO Tem sido relatada a evolução da redução da sensibilidade de Phakopsora pachyrhizi às misturas dos três mecanismos de ação sítio-específicos (IDMs, IQes e ISDHs) usadas no seu controle. O objetivo desse trabalho foi quantificar a contribuição atual dos IQes, isolados ou em mistura com triazpois, no controle da ferrugem asiática da soja. Em
Summa phytopathol.. Publicado em: 2019-03
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17. The addition of the thermophilic esterase EST2 influences the fatty acids and volatile compound profiles of semi hard cheeses
Abstract During cheese ripening the hydrolytic activities of proteases and lipases are essential to develop typical flavours; usually these activities come from lactic bacteria. A way to increase cheese flavour and/or to reduce the time of ripening is the addition of exogenous enzymes during cheese making. Actually some commercial lipases are used in cheese
Food Sci. Technol. Publicado em: 29/11/2018
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18. Evaluation of Corrosion Resistance of Commercial Aluminum Alloys in Ethanol Solutions
In the present research, we studied the corrosion resistance of commercial aluminum alloys exposed to ethanol produced in the northeastern region of Argentina and to commercial ethanol as reference medium. Electrochemical tests of potentiodynamic polarization and weight loss were performed by immersion at temperatures below the boiling point of ethanol (25 �
Mat. Res.. Publicado em: 22/10/2018
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19. Molecular farming of antimicrobial peptides: available platforms and strategies for improving protein biosynthesis using modified virus vectors
Abstract The constant demand for new antibiotic drugs has driven efforts by the scientific community to prospect for peptides with a broad spectrum of action. In this context, antimicrobial peptides (AMPs) have acquired great scientific importance in recent years due to their ability to possess antimicrobial and immunomodulatory activity. In the last two dec
An. Acad. Bras. Ciênc.. Publicado em: 18/10/2018
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20. Síntesis y caracterización de “tanatos” de lantano como inhibidores de la corrosión
ABSTRACT Tannins are polyphenols synthesized by plants. They are found in Quebracho (Schinopsis Balansae) wood, Tara (Caesalpinia spinosa) fruits, etc. They have been incorporated in the coating industry as "antifouling" agents and as corrosion inhibitors in acidic solutions. Moreover, lanthanum solutions have a great inhibitory effect over SAE 1010 steel co
Matéria (Rio J.). Publicado em: 19/07/2018
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21. Efecto de los parámetros de soldadura en mallas de acero electrosoldadas
ABSTRACT Reinforced concrete is the most widely used material in construction industry. Generally concrete is reinforced with ribbed bars. In certain applications, it is desirable to use welded mesh and are used in most reinforced concrete structures (buildings, roads, tunnels and prefabricated components). Welded mesh are generally electrowelded (PW: Projec
Matéria (Rio J.). Publicado em: 19/07/2018
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22. Degradación de un efluente textil real asistida por Fe/PVA y materiales residuales magnéticos
ABSTRACT Organic compounds present on industrial wastes are mostly resistant to conventional biological and chemical treatments. Textile industry has presented several environmental problems mainly related to the use and management of water resources. It has a high consumption of potable and underground water in its processes. These wastewaters are one of th
Matéria (Rio J.). Publicado em: 19/07/2018
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23. Synthesis of new α-amino nitriles with insecticidal action on Aedes aegypti (Diptera: Culicidae)
Abstract Aedes aegypti is the principal vector of arboviral pathogens that may cause diseases as dengue fever, chikungunya and zika. The harmful environmental effects of commercial pesticides coalesced with the development of insecticide-resistant populations encourage the discovery and generation of new alternative products as a tool to reduce the incidence
Rev. Bras. entomol.. Publicado em: 2018-06
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24. New concept of tunnel boring machine: high performance using water jet and diamond wire as rock cutting technology
Abstract Tunnel boring machines are important tools in underground infrastructure projects. Although being well established equipment, these machinesare based on designsof more than 60 years ago and are characterized by big dimensions, enormous weight and high power consumption. Commercial aspects should be noted too. The model adopted by the TBM industry re
REM, Int. Eng. J.. Publicado em: 2018-03