Sources Of Variation
Mostrando 1-12 de 396 artigos, teses e dissertações.
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1. Total phenolic acids and flavonoid contents determination in Yemeni honey of various floral sources: Folin-Ciocalteu and spectrophotometric approach
Abstract Twenty-nine Yemeni honey samples were analyzed to determine total phenolic and flavonoid contents using Folin-Ciocalteu and spectrophotometric technique. These tested honey samples were collected from different regions corresponding to various floral species: jujube, cactus and multifloral plants. Folin-Ciocalteu method was adopted for the analysis
Food Sci. Technol. Publicado em: 2020-12
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2. 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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3. Infiéis em casa. Jesuítas e escravos muçulmanos (Nápoles e Espanha, século XVII)
resumo A partir de fontes jesuítas publicadas e não publicadas - tratados, manuais, relatórios e cartas -, este artigo explora o apostolado jesuíta referente aos escravos muçulmanos em Nápoles e em diferentes cidades da Espanha durante o século XVII. Um ponto de vista jesuíta, encoberto pela retórica missionária e indisponível de outra forma, é e
Estud. av.. Publicado em: 02/12/2019
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4. Performance of colored cotton under irrigation water salinity and organic matter dosages
Resumo Este trabalho foi realizado com o objetivo de avaliar o desenvolvimento do algodoeiro colorido, submetido a diferentes níveis de salinidade da água de irrigação e doses de matéria orgânica proveniente de esterco bovino curtido. O delineamento experimental utilizado foi inteiramente casualizado em esquema fatorial 4 x 4, com 3 repetições, total
Rev. Ambient. Água. Publicado em: 10/10/2019
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5. HIGH-ORDER MULTIVARIATE MARKOV CHAIN APPLIED IN DOW JONES AND IBOVESPA INDEXES
ABSTRACT In this paper we analyzed the probabilities of transitions of state between Ibovespa and Dow Jones indexes using High-order Multivariate Markov Chain. While the stock market may be profitable, the existence of risks can lead to large losses. A mathematical model capable of considering different sources can aid in decision making. This model can work
Pesqui. Oper.. Publicado em: 09/05/2019
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6. Influência da espessura de revestimentos de argamassa no desempenho acústico de alvenarias de blocos cerâmicos
Resumo Percebe-se uma maior preocupação com o desempenho das edificações habitacionais após a publicação da NBR 15575 (ABNT, 2013a), tornando indispensável a avaliação e possível adequação de sistemas construtivos e seus materiais para atendimento dos requisitos. Dentre as imposições relativas à habitabilidade, encontra-se o desempenho acúst
Ambient. constr.. Publicado em: 2019-04
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7. Environmental effects on performance of progeny from different Nellore sires in Brazilian semiarid region
RESUMO O objetivo deste trabalho foi avaliar a influência dos fatores ambientais sobre o desempenho das progénies de diferentes touros da raça Nelore no semiárido brasileiro. Informações de 741 animais foram coletadas de uma fazenda comercial localizada no municipio de Varzelândia-MG. Os animais eram filhos de 27 touros da raça Nelore e eram categori
Rev. bras. saúde prod. anim.. Publicado em: 25/02/2019
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8. Consideration of the appropriate variation sources of the statistical model and their impacts on plant breeding
ABSTRACT. The present work has aimed to assess the consideration of the appropriate variation sources of the statistical model and their impacts on the conclusions plant breeding. The Value for Cultivation and Use test was conducted to assess three common locations (Lages, Ponte Serrada, and Canoinhas) and four non-common locations (Chapecó, Guatambu, Uruss
Acta Sci., Agron.. Publicado em: 17/12/2018
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9. Operational conditions of an electrostatic separator for concentrate copper from electronic waste
Abstract Interest in recycling for the recovery of valuable substances, such as precious metals from electric and electronic waste has been increasing year after year due to the large amount present in such waste compared to primary sources. There is environmental concern, since the amount of this kind of waste is increasing due to rapid technological advanc
REM, Int. Eng. J.. Publicado em: 2018-07
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10. Cretaceous carbonatites of the southeastern Brazilian Platform: a review
ABSTRACT: This paper reviews general aspects of alkaline-carbonatitic rocks of Brazilian, Paraguayan and Bolivian terrains. Although 30 such occurrences are known in literature, only the major ones have been thoroughly investigated. The carbonatites are of Cretaceous age, with two well-defined Lower Cretaceous and Upper Cretaceous generation episodes. A clea
Braz. J. Geol.. Publicado em: 2018-06
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11. Variation analysis of bacterial polyhydroxyalkanoates production using saturated and unsaturated hydrocarbons
ABSTRACT Polyhydroxyalkanoates (PHA) are efficient, renewable and environment friendly polymeric esters. These polymers are synthesized by a variety of microbes under stress conditions. This study was carried out to check the suitability of waste frying oil in comparison to other oils for economical bioplastic production. Six bacterial strains were isolated
Braz. J. Microbiol.. Publicado em: 2017-12
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12. Effect of carbon source on production, characterization and bioactivity of exopolysaccharide produced by Phellinus vaninii Ljup
ABSTRACT The effect on different three carbon source (i.e. glucose, fructose and sucrose) on production, chemical characterization and antioxidant activity of exopolysaccharide (EPS) produced by Phellinus vaninii Ljup was investigated in this study. Amongst carbon sources examined, glucose and sucrose were favorable for the mycelia growth, while the maximum
An. Acad. Bras. Ciênc.. Publicado em: 16/10/2017