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Mostrando 25-36 de 196 artigos, teses e dissertações.
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25. Morpho-anatomical analysis of Aspidosperma olivaceum and A. polyneuron, Apocynaceae
The family Apocynaceae includes many medicinal species, such as Aspidosperma olivaceum Müll. Arg. and A. polyneuron Müll. Arg. The first, popularly known as "peroba-branca", is a source of indole alkaloids that are recognized for their antitumor activity. The second, known as "peroba-rosa", is used by some people for treating malaria. To contribute to the
Rev. bras. farmacogn.. Publicado em: 12/04/2012
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26. Caracterização e viabilidade econômica do bagaço de malte oriundo de cervejarias para fins energéticos / Characterization and economic viability of bagasse coming from malt beer for energy purposes.
This work aimed to study the energy capacity of the cake originating from malt beer at different moisture levels for energy, through description and analysis of economic viability. Sample collection was made in a company located in the city of João Pessoa-PB. Physical and chemical analysis were carried out to determine the chemical composition, where it was
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 12/09/2011
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27. Um método sintético de difusão para aceleração do esquema de fonte de espalhamento em cálculos SN unidimensionais de fonte fixa / A diffusion synthetic acceleration method for the scattering source iteration scheme in fixed source slab-geometry SN calculations
O esquema iterativo de fonte de espalhamento (SI) é tradicionalmente aplicado para a convergência da solução numérica de malha fina para problemas de transporte de nêutrons monoenergéticos na formulação de ordenadas discretas com fonte fixa. O esquema SI é muito simples de se implementar sob o ponto de vista computacional; porém, o esquema SI pode
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 09/09/2011
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28. DinÃmica salarial dos trabalhadores da agropecuÃria brasileira: uma anÃlise de dados espaciais (1992-2009) / Wage dynamics of the farming brazilian workers: an analysis of space data (1992-2009)
The objective of this work is to examine the wages differences dynamics of the farming sector temporary and permanent workers, through the analysis of the wage behavior in the Brazilian states on the period from 1992 to 2009. For this it was used the Space Data Exploratory Analysis (AEDE), the space econometrical modeling and as source of data the National R
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 08/06/2011
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29. A influência dos parâmetros de Análise por Semântica Latente aplicada a localização de defeitos de software
During its life cycle, software systems must pass through continuous change to have bugs fixed and get a reasonable conformance between user requirements and implemented software functions. The necessary effort to execute such changes that occur in the software maintenance phase is considerable and is influenced by the developer software comprehension level.
Publicado em: 2011
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30. Um método de matriz resposta com esquema iterativo de inversão parcial por região para problemas unidimensionais de transporte de nêutrons monoenergéticos na formulação de ordenadas discretas / Um método de matriz resposta com esquema iterativo de inversão parcial por região para problemas unidimensionais de transporte de nêutrons monoenergéticos na formulação de ordenadas discretas / A response matrix method for one-speed slab-geometry discrete ordinates neutron transport problems / A response matrix method for one-speed slab-geometry discrete ordinates neutron transport problems
Um método de matriz resposta (RM) é descrito para gerar soluções numéricas livres de erros de truncamento espacial para problemas de transporte de nêutrons monoenergéticos e com fonte fixa, em geometria unidimensional na formulação de ordenadas discretas (SN). O método RM com esquema iterativo de inversão parcial por região (RBI) converge valores
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2011
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31. Systematization, description and territory of the middle and rostral cerebral arteries in broad-snouted caimans (Caiman latirostris)
Background: Information on the arterial vascularization of the broad-snouted caimans’ brain (Caiman latirostris), a specie from the Brazilian fauna, is inexistent and the literature consulted yielded only one description about the development of embryonic circulation and post-birth cerebrovascular alterations in the brain of three caymans. The objective of
Publicado em: 2011
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32. Phosphate solubilization potential and phosphatase activity of rhizospheric Trichoderma spp.
Trichoderma sp., a well known biological control agent against several phytopathogens, was tested for its phosphate (P) solubilizing potential. Fourteen strains of Trichoderma sp. were isolated from the forest tree rhizospheres of pinus, deodar, bamboo, guava and oak on Trichoderma selective medium. The isolates were tested for their in-vitro P-solubilizing
Brazilian Journal of Microbiology. Publicado em: 23/04/2010
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33. Um estudo sobre as condições de vida e a qualidade do saneamento ambiental local como fatores de interferência para o desenvolvimento de práticas agroecológicas um estudo de caso / A study on the conditions of life and quality of environmental sanitation place as factors for the development of interference agroecological practices a case study
The present study aimed mainly to carry out a mapping of living conditions and quality of environmental sanitation in the Assentamento Horto Loreto, SP.The objective was to determine the outcome of the inter-relation living conditions / local environmental sanitation may be factors affecting the development of agroecological practices in the study area. It a
Publicado em: 2010
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34. Optimal paths for minimizing lost available work during heat transfer processes with a generalized heat transfer law
A common of finite-time heat transfer processes between high- and low-temperature sides with a generalized heat transfer law [q ∝ (Δ(Tn ))m] are studied in this paper. The optimal heating and cooling configurations for minimizing lost available work are derived for the fixed initial and final temperatures of the working fluid of the system (low-temperatur
Brazilian Journal of Physics. Publicado em: 2009-03
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35. Efeitos genéticos e não-genéticos sobre o intervalo de parto em fêmeas suínas no Sudeste do Brasil
The effect of environmental and genetic effects on the farrowing interval in Dalland (C-40) sows in the Southeast of Brazil was studied. Data consisting of 1,013 farrowing intervals recorded in two herds were analyzed, using a model that included the sire and the dam as random effects and the year of farrowing, the herd and the farrowing season as fixed effe
Arquivo Brasileiro de Medicina Veterinária e Zootecnia. Publicado em: 2009-02
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36. Produção de biossurfactante por Aspergillus fumigatus utilizando resíduos agroindustriais como substrato
The objective of this study was to investigate biosurfactant production in solid state by Aspergillus fumigatus in fixed-bed column bioreactors using substrate based on agricultural residues. Without a supplementary carbon source the highest emulsifying activity (EA) was 11.17 emulsifying units (EU) g-1 of substrate at an aeration rate of 148 mL h-1g-1 but i
Química Nova. Publicado em: 2009