Various researches have been carried out about benefits of accounting information and their influence on decision making of financial statements users. For example, many researches have examined the relationship between accounting variables and stock returns or stock price. This study determines and compares the relative and incremental content of accounting variables, too. For this purpose, th...

We analyze carefully the problem of gauge symmetries for Bianchi models, from both the geometrical and dynamical points of view. Some of the geometrical definitions of gauge symmetries (=“homogeneity preserving diffeomorphisms”) given in the literature do not incorporate the crucial feature that local gauge transformations should be independent at each point of the manifold of the independent v...

In this article we present a true-concurrent operational semantics of a Pascal-like language with a parallel operator and shared memory. This semantics is based on a higher-dimensional transition system that is able to model the asyn-chronous execution of concurrent operations. We show how it can be usefully abstracted to nite automata via abstract interpretation using folding of states and app...

A new method of optimization on linear parabolic solar collectors using exergy analysis is presented. A comprehensive mathematical modeling of thermal and optical performance is simulated and geometrical and thermodynamic parameters were assumed as optimization variables. By applying a derived expression for exergy efficiency, exergy losses were generated and the optimum design and operating co...

The Behavior Tree notation is used as part of a framework for developing complex computer systems. The framework is designed to simplify the process of constructing a formal specification of a system from its informal functional requirements. To give a meaning to Behavior Trees, this paper describes a lower-level language called Behavior Tree Process Algebra (BTPA) and its operational semantics...

Fischer-Tropsch synthesis is a promising route for production of light olefins via CO hydrogenation over transition metals. Co is one of the most active metals for Fischer-Tropsch synthesis. Some different variables such as preparation parameters and operational factors can strongly affect the selectivity of Fischer-Tropsch synthesis toward the special products. In the case of preparat...

microbial electrolysis cell (mec) is one of the promising and cutting-edge technologies for generating hydrogen from wastewater through biodegradation of organic waste by exoelectrogenic microbes. in the mecs, the operational parameters, such as applied voltage (eap), anode surface area, anode-cathode distance, and n2/co2 volume ratio have a significant impact on the hydrogen yield and producti...