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STIR Sequence With Increased Receiver Bandwidth of the Inversion Pulse for Reduction of Metallic Artifacts
(Amer Roentgen Ray Soc, 2012-12-01)
OBJECTIVE. the purpose of this study was to evaluate a STIR sequence with an optimized inversion pulse that entails use of increased receiver bandwidth for metal artifact reduction.CONCLUSION. Image distortion, artifacts, ...
Convection In Liquid-state Nmr: Expect The Unexpected
(Royal Soc ChemistryCambridge, 2016)
F-19 DOSY NMR analysis for spin systems with (n)J(FF) couplings
(Wiley-blackwellHobokenEUA, 2014)
Caracterização acústica através do levantamento de respostas impulsivas utilizando os métodos maximum-length sequence e time-stretched pulse
(Universidade Tecnológica Federal do ParanáToledoBrasilEngenharia EletrônicaUTFPR, 2015-11-26)
The characterization of environments by measuring impulsive responses is required for venues that need special attention on the acoustic, such as theaters, mo-vie theaters and public houses. The characterization allows to ...
Combination of OPSY and PhD-PHIP results in enhanced sensitivity in PHIP
(Academic Press Inc Elsevier Science, 2019-02)
Despite the large degree of polarization in PHIP experiments compared to the Boltzmann factor, the presence of a large amount of non-reacted molecules with thermal polarization is an important obstacle when dealing with ...
Pulse compression techniques with application to HF probing of the mesosphere
(American Geophysical Union, 1984-05)
We show that pulse compression techniques which use sets of more than two complementary sequences can be useful in HF radar probing of the D region of the ionosphere. The sets we propose here have an important advantage ...
Herramientas para el desarrollo y la mejora de experimentos de hiperpolarización con parahidrógeno
(2021)
La principal característica del espectro adquirido al mismo campo magnético donde se produce una hidrogenación de a pares con gas parahidrógeno es la aparición de picos antifase, los cuales son particularmente sensibles ...
O valor da ressonância magnética na detecção de nódulos hepáticos utilizando-se diversas técnicas ponderadas em T2: existe consenso?
(Colégio Brasileiro de Radiologia e Diagnóstico por Imagem, 2002-11-01)
Since the early 1980's several magnetic resonance imaging pulse sequences have been developed in order to determine the optimum imaging technique for the detection and characterization of hepatic lesions. T2-weighted images ...
Nocturnal low irradiance pulses improve fruit yield and lycopene concentration in tomato
(Elsevier Science, 2016-03)
Light is one of the most important factors modulating processes and sequences in plants life, like fruit ripening and the concentrations of water and lipid soluble antioxidants. The aim of this work was to evaluate the ...
Estudo e implementação da estratégia de modulação por largura de pulsos space vector aplicada em inversores monofásico e trifásico
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilDepartamento Acadêmico de ElétricaEngenharia ElétricaUTFPR, 2016-06-02)
This work is a space vector pulse width modulation approach, applied to a full bridge single-phase voltage source inverter and to a three-wire three-phase voltage source inverter, as well as their projects and the experimental ...