Results 21 to 30 of about 2,086,513 (366)
Revista Contabilidade & Finanças, 2010 Este trabalho analisa o efeito da instrução normativa CVM 550 sobre a utilização de derivativos e, consequentemente, a gestão de risco das companhias abertas brasileiras.
Leonardo Andrade de Almeida Burlá +1 more
doaj +1 more source
The Future of Quark Matter at RHIC [PDF]
J.Phys.G34:S543-550,2007, 2007 Projected annual results for heavy particle and high-p_{T} correlation studies at future RHICII luminosities.
arxiv +1 more source
Salivary Fluoride Levels after Use of High-Fluoride Dentifrice
The Scientific World Journal, 2015 The aim of the study was to evaluate salivary fluoride (F) availability after toothbrushing with a high-F dentifrice. Twelve adult volunteers took part in this crossover and blind study. F concentration in saliva was determined after brushing with a high-
Glauber Campos Vale +3 more
doaj +1 more source
Pathogens, 2022 Streptococcal bacteremia that occurs during invasive dental procedures can lead to infective endocarditis (IE) in children with certain heart diseases. Prior to such procedures, antibiotic prophylaxis (AP) with amoxicillin (AMPC) is recommended. However,
Ayrton G. Araújo Júnior +7 more
doaj +1 more source
A potential theoretic characterization of compactness of the dbar-Neumann problem [PDF]
Geometric Analysis of Several Complex Variables and Related
Topics, Contemporary Mathematics, vol. 550, Amer. Math. Soc., Providence, RI,
2011, pp. 155-160, 2010 We give a potential theoretic characterization for compactness of the dbar-Neumann problem on smooth bounded pseudoconvex domains in C^n.
arxiv +1 more source
Applied Sciences, 2022 Platonia insignis Mart, Clusiaceae, known as bacuri, is a species native to Brazil that, in studies with extract of the seed of its fruit, showed antioxidant activity against free radicals.
Juliana Lima Nascimento +17 more
doaj +1 more source
Depositation of sodium titanate nanotubes: superhydrophilic surface and antibacterial approach
Journal of Materials Research and Technology, 2022 Here, the present work aimed to investigate the wettability of the sodium titanate nanotubes films and evaluate the antibacterial activity of the nanotubes powder under light and bacterial adhesion assay.
Michelle de P. Madeira +11 more
doaj
A Review on Vibration Monitoring Techniques for Predictive Maintenance of Rotating Machinery
Eng, 2023 Machine failure in modern industry leads to lost production and reduced competitiveness. Maintenance costs represent between 15% and 60% of the manufacturing cost of the final product, and in heavy industry, these costs can be as high as 50% of the total
Marcelo Romanssini +3 more
doaj +1 more source
Thermal reaction of Pt film with 110 GaN epilayer [PDF]
, 1999 Backscattering spectrometry, x-ray diffractometry, and scanning electron microscopy have been used to study the reaction of a thin Pt film with an epilayer of [110] GaN on [110] sapphire upon annealing at 450, 550, 650, 750, and 800 degrees C for 30 min.
Gasser, S. M. +2 more
core +1 more source