نتایج جستجو برای: quasi reversible reduction

تعداد نتایج: 621022  

2013
M. Lafourcade

Assume we are given a sub-integrable arrow v. In [7, 7], the authors extended quasi-reversible isometries. We show that g ≥ P . It is not yet known whether J is not equivalent to z̄, although [7] does address the issue of completeness. In this context, the results of [37, 18] are highly relevant.

This paper reviewed over 100 articles on the subject of the mechanism of catalyst layer (CL) degradation and the effect of various contaminations in the polymer electrolyte membrane fuel cell (PEMFC). Also the recovery of PEMFC via different types of methods, the causes and fundamental mechanisms of cell degradation and their influence on long- term performance of PEM fuel cell were discussed i...

Journal: :journal of sciences islamic republic of iran 0

electrochemical behavior of i-hydroxypyridine-2-thione and its vanadium complex is studied using polarographic techniques. polarograms of ligand and that of the complex is shown with diffusion characteristics of the waves. cyclic voltagram of thione is investigated which shows that a reversible oxidation reduction of one electron process is taking place. pka of the thione is found to be in clos...

2005
Bruno TUFFIN

This paper has several folds. We make first new permutation choices in Halton sequences to improve their distributions. These choices are multi-dimensional and they are made for two different discrepancies. We show that multi-dimensional choices are better for standard quasi-Monte Carlo methods. We also use these sequences as a variance reduction technique in Monte Carlo methods, which greatly ...

Journal: :CoRR 2017
Dennis Wei Karthikeyan Natesan Ramamurthy Kush R. Varshney

Preserving the privacy of individuals by protecting their sensitive attributes is an important consideration during microdata release. However, it is equally important to preserve the quality or utility of the data for at least some targeted workloads. We propose a novel framework for privacy preservation based on the k-anonymity model that is ideally suited for workloads that require preservin...

2011
Frank Lenzen Florian Becker Jan Lellmann Stefania Petra Christoph Schnörr

We propose a generalization of the total variation (TV) minimization method proposed by Rudin, Osher and Fatemi. This generalization allows for adaptive regularization, which depends on the minimizer itself. Existence theory is provided in the framework of quasi-variational inequalities. We demonstrate the usability of our approach by considering applications for image and movie denoising.

2009
Vineet Kahlon Chao Wang Aarti Gupta

We present a new technique called Monotonic Partial Order Reduction (MPOR) that effectively combines dynamic partial order reduction with symbolic state space exploration for model checking concurrent software. Our technique hinges on a new characterization of partial orders defined by computations of a concurrent program in terms of quasi-monotonic sequences of thread-ids. This characterizatio...

2013
Luca Calatroni Juan Carlos de los Reyes Carola-Bibiane Schönlieb

We consider the bilevel optimisation approach proposed in [5] for learning the optimal parameters in a Total Variation (TV) denoising model featuring for multiple noise distributions. In applications, the use of databases (dictionaries) allows an accurate estimation of the parameters, but reflects in high computational costs due to the size of the databases and to the nonsmooth nature of the PD...

Journal: :Journal of the American Chemical Society 2009
Khalid M Omer Sung-Yu Ku Ken-Tsung Wong Allen J Bard

A group of highly fluorescent 2,1,3-benzothiadiazole derivatives (BH0-BH3), including two fluorene derivatives (AB2 and C01) were synthesized and characterized. The electrochemical, spectroscopic, and electrogenerated chemiluminescence (ECL) properties of the compounds were determined. Benzothiadiazole derivatives BH1, BH2, and BH3 show reversible oxidation and reduction waves and produce stron...

Journal: :Electrochemistry 2022

“Cyclic voltammetry” is one of the most common electrochemical techniques, not only for electrochemists but also researchers in other fields. However, principles cyclic voltammetry are very complex; beginners and even experts may struggle with their application. Therefore, we explain fundamental Part 1 introduce practical issues associated recent trends such as fuel cells, capacitors, sensors 2...

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