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. ...

Cysts in bone are seen occasionally at or near its end and are filled with mucoid, glaird fluid. Typically, they have a thick fibrous wall similar to that of a "ganglion" of tendon sheath, are associated with no significant degenerative changes in the nearly near by joint, and seem appropriately considered to be collections in synovial spaces in unusual locations. Although they are rare and usu...

‏‎in this research,the authors conducted a study comparing two groups of male and female english language learners studying in a elt institute,in terms of their performance on their achievement test including listening comprehension,vocabulary,grammar,and reading comprehension and found no significant difference between the group except in listening comprehension part of the test in which the f...

this study aimed at examining the effects of iranian efl learners’ anxiety, ambiguity tolerance, and gender on their preferences for corrective feedback (cf, henceforth). the effects were sought with regard to the necessity, frequency, and timing of cf, types of errors that need to be treated, types of cf, and choice of correctors. seventy-five iranian efl students, twenty-eight males and forty...

 This study aims to determine the factors affecting the Implementation of Universal Banking. For this purpose, 50 factors were identified through the study of literature and interviews with experts and managers of the banking industry who had experienced in Universal banking implementation. These factors were classified into six categories: customer, infrastructure, process, structure, human re...