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Resultados 185329-185348 de 269118
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A new approach for the determination of multiple cation locations and ordering, using the example of natural and heat-treated columbites
(2011) [Artigo de periódico]A new approach is proposed to determine unambiguously the location of four cations within the crystal structure of a natural AB2O6 columbite-type compound and derivatives, when submitted to order–disorder transitions caused ... -
New ASPN high efficiency treatment of ASTM M2 steel
(2021) [Artigo de periódico]Plasma nitriding treatments are applied to achieve excellent surface properties on steel parts and tools. Active screen plasma nitriding (ASPN) does not have the defects presents in direct nitriding plasma treatments (DCPN). ... -
A new assessment in the simultaneous optimization of friction dampers in plane and spatial civil structures
(2017) [Artigo de periódico]This paper presents a methodology to improve installation of friction dampers in civil structures subjected to artificial and real earthquakes using a metaheuristic optimization technique. The Firefly Algorithm is used in ... -
A new assessment methodology to evaluate the radiopacity of endodontic filling materials
(2013) [Artigo de periódico]Objective: To evaluate the radiopacity of endodontic filling materials using a new experimental in vitro model. Methods: To prevent the overlapping of tissues and anatomical structures, a tissue simulator block was created. ... -
New attraction at UFRGS' Paleontology Museum
(2021) [Artigo de periódico] -
New Audiences and New Educational Stratifications in Brazilian Higher Education in the 21st Century
(2018) [Artigo de periódico]This article addresses the contradictions associated with the access of new audiences to higher education in Brazil in the last decade, aiming to describe and characterize the expansion of the system. Advances and limitations ... -
New Beijing Great Olympics
(2008)Tema oficial dos Jogos Olímpicos de 2008 realizados em Pequim e cantadas por um coro composto por 12 chinesas. -
New bioactive materials obtained using as raw the minerals deposits of Cuba
(2014) [Resumo publicado em evento] -
New biotechnological tools to accelerate scab-resistance trait transfer to apple
(2017) [Artigo de periódico]Apple is a fruit crop cultivated worldwide. Apple orchards are exposed to a diverse set of environmental and biological factors that affect the productivity and sustainability of the culture. Many of the efforts and costs ... -
A new block algorithm for full-rank solution of the Sylvester-observer equation
(2003) [Artigo de periódico]A new block algorithm for computing a full rank solution of the Sylvester-observer equation arising in state estimation is proposed. The major computational kernels of this algorithm are: 1) solutions of standard Sylvester ... -
Newborn screening for biotinidase deficiency in Brazil : biochemical and molecular characterizations
(2004) [Artigo de periódico]Biotinidase deficiency is an inherited metabolic disorder characterized by neurological and cutaneous symptoms. Fortunately, it can be treated and the symptoms prevented by oral administration of the vitamin biotin. Using ... -
Newborn screening for lysosomal disorders in Brazil : a pilot study using customized fluorimetric assays
(2020) [Artigo de periódico]Lysosomal storage disorders (LSDs) are a group of genetic disorders characterized by deficiency of specific lysosomal enzymes. In general, patients are clinically normal at birth, and progressively develop severe signs and ... -
A new calibration method for charm jet identification validated with proton-proton collision events at √𝒔 = 13 TeV
(2022) [Artigo de periódico]Many measurements at the LHC require efficient identification of heavy-flavour jets, i.e. jets originating from bottom (b) or charm (c) quarks. An overview of the algorithms used to identify c jets is described and a novel ... -
New Challenges and rising expectations for the Brazilian Journal of Infectious Diseases, 2019
(2019) [Texto de apresentação/encerramento] -
A new chronobiological approach to discriminate between acute and chronic depression using peripheral temperature, rest-activity, and light exposure parameters
(2013) [Artigo de periódico]Background: Circadian theories for major depressive disorder have suggested that the rhythm of the circadian pacemaker is misaligned. Stable phase relationships between internal rhythms, such as temperature and rest/activity, ... -
A new class of imidazolium salts by cross-metathesis of phenylpropenoids
(2017) [Resumo publicado em evento] -
New consumer approach : understanding emotions and involvement in beef consumption
(2005) [Trabalho completo publicado em evento] -
New cosmological constraints on f(T) gravity in light of full Planck-CMB and type Ia supernovae data
(2023) [Artigo de periódico]We investigate two new observational perspectives in the context of torsional gravitational modification of general relativity, i.e., the f(T) gravity: (i) We use Pantheon data of type Ia supernovae motivated by a time ... -
A new cross-layer adaptive architecture to guarantee quality of service in WiMAX networks
(2011) [Tese]Redes sem fio devem prover qualidade de serviço para aplicações de voz, video e dados. Um padrão definido para oferecer qualidade de serviço nessas redes é o documento IEEE 802.16. Com o objetivo de melhorar a qualidade ... -
New DArT markers for oat provide enhanced map coverage and global germplasm characterization
(2009) [Artigo de periódico]Background: Genomic discovery in oat and its application to oat improvement have been hindered by a lack of genetic markers common to different genetic maps, and by the difficulty of conducting whole-genome analysis using ...