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Mostrando 13-24 de 229 artigos, teses e dissertações.
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13. What are the main local drivers determining richness and fishery yields in tropical coastal fish assemblages?
ABSTRACT Seasonal ecological effects caused by temperature and photoperiod are typically considered minimal in the tropics. Nevertheless, annual climate cycles may still influence the distribution and abundance of tropical species. Here, we investigate whether seasonal patterns of precipitation and wind speed influence the structure of coastal fish assemblag
Zoologia (Curitiba). Publicado em: 26/04/2018
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14. Potencial leiteiro de animais da raça Pantaneira na região do Alto Pantanal do Mato Grosso do Sul
ABSTRACT The Pantaneira breed is in danger of extinction. Due to the lack of scientific information on the Pantanal milk potential, this work had the objective of determining the lactation period and a physical-chemical composition of the milk of cows in second order of parturition. The animals were managed in a pasture system rotated in mombaça grass (Pani
Arq. Bras. Med. Vet. Zootec.. Publicado em: 2018-03
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15. Trypanosoma janseni n. sp. (Trypanosomatida: Trypanosomatidae) isolated from Didelphis aurita (Mammalia: Didelphidae) in the Atlantic Rainforest of Rio de Janeiro, Brazil: integrative taxonomy and phylogeography within the Trypanosoma cruzi clade
BACKGROUND Didelphis spp. are a South American marsupial species that are among the most ancient hosts for the Trypanosoma spp. OBJECTIVES We characterise a new species (Trypanosoma janseni n. sp.) isolated from the spleen and liver tissues of Didelphis aurita in the Atlantic Rainforest of Rio de Janeiro, Brazil. METHODS The parasites were isolated and a
Mem. Inst. Oswaldo Cruz. Publicado em: 2018-01
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16. Adherence to BCLC recommendations for the treatment of hepatocellular carcinoma: impact on survival according to stage
OBJECTIVES: This study sought to assess the adherence of newly diagnosed hepatocellular carcinoma patients to the Barcelona Clinic Liver Cancer system treatment guidelines and to examine the impact of adherence on the survival of patients in different stages of the disease. METHODS: This study included all patients referred for the treatment of hepatocellu
Clinics. Publicado em: 2017-08
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17. Tensile properties of novel carbon/glass hybrid thermoplastic composite rods under static and fatigue loading
ABSTRACT Novel carbon/glass hybrid thermoplastic composite rods have been developed consisting of a PAN-based carbon fiber, an E-glass fiber, and a thermoplastic matrix. Three types of hybrid rods with different carbon/glass ratios were then fabricated. The surface and cross-sectional morphologies of the hybrid rods were observed using a digital microscope.
Matéria (Rio J.). Publicado em: 20/07/2017
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18. Preliminary assessment of neck circumference in benign prostatic hyperplasia in patients with metabolic syndrome
ABSTRACT Objectives To investigate the impact of neck circumference (NC) in the treatment of bening prostatic hyperplasia (BPH) patients with metabolic syndrome (MtS). Additionally, we determined dose response to alpha-blockers and cut-off values for NC and waist circumference (WC), in these patients. Materials and Methods Non-randomized, open-labelled, an
Int. braz j urol.. Publicado em: 2017-02
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19. Softening Mechanisms of the AISI 410 Martensitic Stainless Steel Under Hot Torsion Simulation
This study investigated the softening mechanisms of the AISI 410 martensitic stainless steel during torsion simulation under isothermal continuous in the temperature range of 900 to 1150 °C and strain rates of 0.1 to 5.0s-1. In the first part of the curves, before the peak, the results show that the critical (εc) and peak (εp) strains are elevated for hig
Mat. Res.. Publicado em: 23/01/2017
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20. Dating stalagmite from Caverna do Diabo (Devil´S Cave) by TL and EPR techniques
ABSTRACT A cylindrical fragment of stalagmite from Caverna do Diabo, State of São Paulo, Brazil, has been studied and dated by thermoluminescence and electron paramagnetic resonance techniques. The thermoluminescence glow curves of stalagmite samples and subsequently gamma irradiated, have shown rise of three peaks at 135, 180 and 265 °C. From electron par
An. Acad. Bras. Ciênc.. Publicado em: 2016-12
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21. Application of a Quantitative HPLC-ESI-MS/MS Method for Flavonoids in Different Vegetables Matrices
Plant flavonoids have been increasingly studied for its importance in plant metabolism, inter-species interactions and human health-promoting effects. Each botanical species has a distinct flavonoid profile, and as such, this work aimed to develop and apply a high-performance liquid chromatography coupled to electrospray ionization tandem mass spectrometry (
J. Braz. Chem. Soc.. Publicado em: 2016-03
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22. Evaluation of creatinine-based and cystatin C-based equations for estimation of glomerular filtration rate in type 1 diabetic patients
ABSTRACT Objective Several formulas based in different biomarkers may be used to estimate glomerular filtration rate (GRF). However, all of them have some limitations, and it is very important to evaluate their performances in different groups of patients. Therefore, we compared GFR, as estimated by creatinine-based and cystatin C-based equations, accordin
Arch. Endocrinol. Metab.. Publicado em: 16/02/2016
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23. Radio-Wave Propagation Model for UHF Band in Different Climatic Conditions with Dyadic Green’s Function
AbstractThis article proposes a deterministic radio propagation model using dyadic Green's function to predict the value of the electric field. Dyadic is offered as an efficient mathematical tool which has symbolic simplicity and robustness, as well as taking account of the anisotropy of the medium. The proposed model is an important contribution for the UHF
J. Microw. Optoelectron. Electromagn. Appl.. Publicado em: 2015-06
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24. A dose-response curve for biodosimetry from a 6 MV electron linear accelerator
Biological dosimetry (biodosimetry) is based on the investigation of radiation-induced biological effects (biomarkers), mainly dicentric chromosomes, in order to correlate them with radiation dose. To interpret the dicentric score in terms of absorbed dose, a calibration curve is needed. Each curve should be constructed with respect to basic physical paramet
Braz J Med Biol Res. Publicado em: 26/05/2015