Results 31 to 40 of about 1,012,781 (161)
A Lagrange method based L-curve for image restoration
Journal of Physics: Conference Series, 2013 The solution of image restoration problems usually requires the use of regularization strategies. The L-curve criterium is a popular heuristic tool for choosing good regularized solutions, when the data noise norm is not a priori known. In this work, we propose replacing the original image restoration problem with a noise-independent equality ...
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Shock and Vibration, 2021 In this study, a uniaxial impact compression test was performed on coal samples with length-to-diameter L/D ratios of 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, and 1 using a Φ 50 mm split Hopkinson pressure bar (SHPB) test system.
Qiupeng Yuan +6 more
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APPLICATION OF THE L-CURVE METHOD IN DETERMINING THE QUASI-OPTIMAL REGULARIZATION PARAMETER FOR TWO-DIMENSIONAL INVERSION OF MAGNETOTELLURIC DATA AT THE BISHKEK GEODYNAMIC TEST SITE [PDF]
Bulletin of Kamchatka Regional Association «Educational-Scientific Center». Earth Sciences, 2021 APPLICATION OF THE L-CURVE METHOD IN DETERMINING THE QUASI-OPTIMAL REGULARIZATION PARAMETER FOR TWO-DIMENSIONAL INVERSION OF MAGNETOTELLURIC DATA AT THE BISHKEK GEODYNAMIC TEST ...
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SWEAT CONDUCTIVITY IN THE DIAGNOSIS OF CYSTIC FIBROSIS – THE EXPERIENCE OF THE REGIONAL CENTRE “GRIGORE ALEXANDRESCU” EMERGENCY CHILDREN’S HOSPITAL [PDF]
Romanian Journal of Pediatrics, 2017 Introduction. The sweat test is the standard method for the diagnosis of cystic fibrosis (CF). The sweat conductivity represents an alternative not yet accepted as a diagnosis method, in spite of its good correlation with chloride (Cl-) titration.
Elena Roxana Smadeanu +3 more
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Eclética Química, 2018 This paper reports a flow injection chemiluminescence method involving multicommutation for rutin determination in pharmaceutical formulations. The method is based on the oxidation of rutin by sodium hypochlorite which decreases the signal magnitude when
Déborah C. Azzi +5 more
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مجلة بغداد للعلوم, 2022 This study was undertaken to introduce a fast, accurate, selective, simple and environment-friendly colorimetric method to determine iron (II) concentration in different lipstick brands imported or manufactured locally in Baghdad, Iraq. The samples were
Ekhlas A. Abdulkareem +2 more
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A fast atom bombardment-mass spectrometric method to quantitate lysophosphatidylserine in rat brain.
Journal of Lipid Research, 1989 A method to quantitate lysophosphatidylserine by fast atom bombardment-mass spectrometry using 1-hexa-decanoyl-sn-glycero-3-phospho-L-serine as internal standard is described. The standard curve is linear with a correlation coefficient r2 = 0.999 from 10
E Benfenati +7 more
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Efficient Parameters Estimation Method for the Separable Nonlinear Least Squares Problem
Complexity, 2020 In this work, we combine the special structure of the separable nonlinear least squares problem with a variable projection algorithm based on singular value decomposition to separate linear and nonlinear parameters. Then, we propose finding the nonlinear
Ke Wang +3 more
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ESC Heart Failure, 2023 Aims Lactate/albumin ratio (L/A) is a recognized prognostic index of patients with heart failure (HF) after myocardial infarction (MI). We aim to evaluate the prognostic value of L/A ratio in predicting in‐hospital mortality for those patients.
Yang Chen +7 more
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Química Nova, 2009 A multicommuted method for determination of chlorine in water samples using a 100-cm cell was developed. In this method, orto-Tolidine reacts with chlorine and the product was monitored at 438 nm.
Fernanda Helena Salami +3 more
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