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Differential heat of adsorption in the presence of an order–disorder phase transition

Ramirez-Pastor, A.J; Bulnes, F - In: Physica A: Statistical Mechanics and its Applications 283 (2000) 1, pp. 198-203

We studied the coverage dependence of the differential heat of adsorption in the presence of an order–disorder phase transition, by employing theoretical mean-field and quasi-chemical approaches and Monte Carlo simulation, in the framework of the lattice-gas model. For a square lattice, with...

Persistent link: https://www.econbiz.de/10010589310

Differential heat of adsorption at critical regime: square, triangular and honeycomb lattices

Bulnes, F; Ramirez-Pastor, A.J - In: Physica A: Statistical Mechanics and its Applications 295 (2001) 1, pp. 71-76

We report on a Monte Carlo study of the differential heat of adsorption on, square, triangular and honeycomb two-dimensional lattices. The influence of the connectivity on the main scaling parameters in the critical regime is analyzed. The simulation data are compared with mean-field and...

Persistent link: https://www.econbiz.de/10010591761

Lattice-gas modeling of adsorption on nanotube bundles at criticality

Pasinetti, P.M.; Riccardo, J.L.; Ramirez-Pastor, A.J. - In: Physica A: Statistical Mechanics and its Applications 355 (2005) 2, pp. 383-392

Adsorption thermodynamics of interacting particles adsorbed on nanotube bundles is studied through a lattice-gas model and Monte Carlo simulations. The adsorbent is modeled as one-dimensional channels of equivalent adsorption sites arranged in a triangular cross-sectional structure. Two kinds of...

Persistent link: https://www.econbiz.de/10010873934

Crack growth and percolation in anisotropically rolled thin plate

Nishiuma, Saburo; Miyazima, Sasuke - In: Physica A: Statistical Mechanics and its Applications 266 (1999) 1, pp. 209-213

effect of anisotropy of a medium on crack growth patterns and percolation characteristics is studied. …

Persistent link: https://www.econbiz.de/10010664870

Dependence of the percolation threshold on the size of the percolating species

Cornette, V; Ramirez-Pastor, A.J; Nieto, F - In: Physica A: Statistical Mechanics and its Applications 327 (2003) 1, pp. 71-75

Site and bond percolation of k-mers of different structures and forms deposited on 2-D regular lattices is studied. In … addition, the percolation threshold for percolating k-mers on a Bethe lattice is analytically obtained. By using finite …-size scaling theory, the analysis of the results is performed in order to determine the behavior of the percolation threshold which …

Persistent link: https://www.econbiz.de/10010590088

The percolation properties of fractal aggregation

Cheng, Jinrong; Zhao, Min; Yuan, Xinghong; Zhao, Li; … - In: Physica A: Statistical Mechanics and its Applications 343 (2004) C, pp. 335-342

investigate the percolation properties of fractal aggregation. Our results suggest that the percolation threshold value of fractal … fractal dimension when the growth probability is equal to the percolation threshold value. …

Persistent link: https://www.econbiz.de/10010590890

Molecular trajectory algorithm for random walks on percolation systems at criticality in two and three dimensions

Cen, Wei; Liu, Dongbing; Mao, Bingquan - In: Physica A: Statistical Mechanics and its Applications 391 (2012) 4, pp. 925-929

Random walk simulations based on a molecular trajectory algorithm are performed on critical percolation clusters. The …

Persistent link: https://www.econbiz.de/10011060344

Comparing several methods to compute joint prediction regions for path forecasts generated by vector autoregressions

Bruder, Stefan - 2015

Path forecasts, defined as sequences of individual forecasts, generated by vector autoregressions are widely used in applied work. It has been recognized that a profound econometric analysis often requires, besides the path forecast, a joint prediction region that contains the whole future path...

Persistent link: https://www.econbiz.de/10011410267

Operational conditions in regulatory benchmarking models : a Monte Carlo analysis

Nieswand, Maria; Seifert, Stefan - 2016

Benchmarking methods are widely used in the regulation of firms in network industries working under heterogeneous exogenous environments. In this paper we compare three recently developed estimators, namely conditional DEA (Daraio and Simar, 2005, 2007b), latent class SFA (Orea and Kumbhakar, 2004;...

Persistent link: https://www.econbiz.de/10011483291

Hedging foreign exchange risk exposure by importer companies

Hasan, Kazi Rashedul - In: International journal of economics, finance and … 3 (2015) 5, pp. 435-440

Persistent link: https://www.econbiz.de/10011506307

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