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Mostrando 1-12 de 385 artigos, teses e dissertações.
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1. Efeito da simplificação sintática sobre a compreensão de leitura de crianças do ensino fundamental
RESUMO Objetivo Investigar o efeito da estratégia de simplificação sintática de textos sobre o desempenho em compreensão leitora de escolares de 20 a 40 ano do ensino fundamental. Métodos Estudo transversal, analítico, caso controle. Participaram 112 escolares do ensino público, do 20 ao 40 ano escolar. Os participantes foram distribuídos em Gru
Audiol., Commun. Res.. Publicado em: 31/01/2019
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2. Ditryptophan Cross-Links as Novel Products of Protein Oxidation
Protein oxidation is an unavoidable consequence of aerobic metabolism. The oxidation of most proteins residues is non-repairable and may affect protein structure and function. In particular, protein cross-links arising from oxidative modifications are presumably toxic to cells because they may accumulate and induce protein aggregation. However, most of these
J. Braz. Chem. Soc.. Publicado em: 2018-05
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3. Recognition of heart sound based on distribution of Choi-Williams
IntroductionTo realize noninvasive diagnosis and early diagnosis of coronary heart disease, the study proposes a new time-frequency method for analyzing heart sound signals. This method is based on Choi-Williams Distribution (CWD).MethodsCWD distribution is developed and modified from Wigner Ville distribution (WVD). To solve the problem of cross-term interf
Res. Biomed. Eng.. Publicado em: 29/09/2015
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4. Molecular typing of Mycobacterium bovis isolates: a review
Mycobacterium bovis is the main causative agent of animal tuberculosis (TB) and it may cause TB in humans. Molecular typing of M. bovis isolates provides precise epidemiological data on issues of inter- or intra-herd transmission and wildlife reservoirs. Techniques used for typing M. bovis have evolved over the last 2 decades, and PCR-based methods such as s
Braz. J. Microbiol.. Publicado em: 25/07/2014
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5. Um esquema de seleção de rotas para o balanceamento de segurança e desempenho em redes em malha sem fio / Um Esquema de Seleção de Rotas para o Balanceamento de Segurança e Desempenho em Redes em Malha Sem Fio
Wireless mesh networks (WMNs) have been used to support multimedia applications on different domains, such as health care and entertainment, that require high levels of security and performance simultaneously. Those networks comprise of a wireless backbone of routers that cooperate to provide data communication among mobile devices, such as notebooks, PDAs a
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 09/05/2011
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6. TRP channels, omega-3 fatty acids, and oxidative stress in neurodegeneration: from the cell membrane to intracellular cross-links
The transient receptor potential channels family (TRP channels) is a relatively new group of cation channels that modulate a large range of physiological mechanisms. In the nervous system, the functions of TRP channels have been associated with thermosensation, pain transduction, neurotransmitter release, and redox signaling, among others. However, they have
Brazilian Journal of Medical and Biological Research. Publicado em: 2011-11
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7. Le Monde Diplomatique Brasil: por uma história possível / Le Monde Diplomatique Brasil: Foa a possible story
This study proposes an analysis of Le Monde Diplomatique Brasil. Created in 1954 in France, Le Monde Diplomatique currently has more than 60 international editions published in 25 languages. Since august 2007, the magazine has a Brazilian printed edition, which intends to position itself as an alternative media, publically anti-imperialist, anti-neoliberal a
Publicado em: 2011
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8. Propriedades citotÃxica, genotÃxica e antitumoral de um benzil-isotiocianato isolado de Moringa oleifera (MORINGACEAE). / Cytotoxic, genotoxic and antitumor properties of the a benzyl-isothiocyanate isolated from Moringa oleifera (MORINGACEAE).
Moringa oleifera Lam. à uma planta tropical com grande importÃncia por seus usos medicinais. VÃrios compostos jà foram isolados de diferentes partes da planta, e dentre as atividades farmacolÃgicas podemos destacar a antitumoral. Este trabalho determinou, inicialmente, a atividade citotÃxica, por MTT, do composto 4-(4′-O-acetil-α-L-ramnopira
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 27/08/2010
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9. Efeito fotoiniciador sobre propriedades físicas, mecânicas e térmicas de compósitos experimentais fotoativados por luz de lâmpada halógena e LEDs / Effect of the photo-initiator on physical, mechanics and thermal properties of experimental composites photo-activated for halogen lamp and LEDs
The aim of this study was to analyze the spectrum of different lightcuring units (LCUs) and photo-initiators and yours influence in the physical and thermal properties and bond strength (BS) of experimental resin composites with different photo-initiators. A blend with BisGMA, UDMA, BisEMA, TEGDMA and 65 wt% of silanated filler particles was prepared with CQ
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 05/08/2010
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10. Nanocompósitos de borracha nitrílica com argilas montmoriloníticas e bentonitas / nonoonono
The search for new materials has been a constant in the humanity history. However, there are no plans to replace elastomers, even in long term, due to their unique mechanical properties. Among the various types of elastomers used nowadays, Nitrile Butadiene Rubber - NBR is a choice when one wants a material with good mechanical properties and excellent resis
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 26/03/2010
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11. Possible links between intestinal permeablity and food processing: a potential therapeutic niche for glutamine
Increased intestinal permeability is a likely cause of various pathologies, such as allergies and metabolic or even cardiovascular disturbances. Intestinal permeability is found in many severe clinical situations and in common disorders such as irritable bowel syndrome. In these conditions, substances that are normally unable to cross the epithelial barrier
Clinics. Publicado em: 2010
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12. AnÃlise experimental da degradaÃÃo imposta por sistemas Ãpticos a aplicaÃÃes IP / Experimental analysis of the degradation imposed by optical systems on IP
The objective of this work is to experimentally evaluate how physical impairments on the network can affect the performance of IP applications. Especially This work encompasses the analysis of the cross-layer effect caused by all-optical wavelength converters in the video signal. For this purpose, it was evaluated the packet error rate degradationcaused by p
Publicado em: 2010