due to the limiting workspace of parallel manipulator and regarding to finding the trajectory planning of singularity free at workspace is difficult, so finding a best solution that can develop a technique to determine the singularity-free zones in the workspace of parallel manipulators is highly important. in this thesis a simple and new technique are presented to determine the maximal singula...

abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...

The purpose of this study was to investigate the effect of non-financial indicators on forecasting The occurrence of financial distress in the Shahr Bank from the point of view of urban managers using the structural equation modeling approach. This research is an applied research in terms of purpose And in terms of method, it was a descriptive-survey study. The statistical population of the stu...

short story as an important literary genre in the recent decade is focused by many of young writers and literary critical with searching structure, content , artistic techniques and cognitive phenomenon of these works , we can show quantity of using some parts of storied literature from new literal techniques of the word and also we can show the usage of native, cultural and social foundation...

The purpose of this study was to identify the modt important factors affecting corporate governance with a corporate sustainability approach, according to the nature of operational activities of the National Iranian Oil Company. Initially, by conducting theoretical studies including articles, G4 Global Reports Guide, and governance patterns of the worldchr('39')s major oil companies, the factor...