during natural gas processing, water in natural gas may cause to hydrates formation in pipelines which may lead to serious damages to process equipments. given the problems raised by present of water in natural gas, glycol solvent uses to remove water.in contact of glycol with gas always an amount of btex and voc absorb along with water, which on glycol recovery process, these substances separa...

language learning courseware has been receiving growing attention by english educators since its advent. a variety of softwares have been designed by software designers and resorted to by language educators to supplement language textbooks. this experimental study investigated how the application of computerized version of language textbooks and the reception of the entire course through comput...

supervisors play an undeniable role in training teachers, before starting their professional experience by preparing them, at the initial years of their teaching by checking their work within the proper framework, and later on during their teaching by assessing their progress. but surprisingly, exploring their attributes, professional demands, and qualifications has remained a neglected theme i...

on- the-job training on of the most effective tools for managers to cope with the changing organizational environment. it grantess suitable services to customers, particularly in public service enterprises. if such training os goal oriented, planned systematically, and tailored to the employees, job content, then not only it could increase employees and organizational performance, but also it c...

Understanding Islamic architecture requires perception and receiving space, and the space of Islamic architecture contains meanings that can not be understood only by the senses. Space, as the most basic concept of architecture, is always conceived in a specific definite, which is received through sensory perception, so it has a certain limit, and finite. On the other hand, mosques are the most...

During two seasons of archaeological excavations on the historical site of Veliran of Damavand, some structural remnants dating to the Sassanid period were identified. The structure consists of a tower and a rampart, as well as several rooms organized on the two sides of a passage. The architectural findings in the archeological site of Veliran help us know the Damavand region as it was during ...

Science of "Genealogy" was one of the branches of History and Historiography during the age of Jāhilīyah (age of ignorance) which has grown rapidly in the Islamic era. In this context, Hisham Kalbi (d. 204 AH. / 819 AD.), as the first author and editor of Genealogy, has a great contribution to the formation and prosperity of this science, with two important texts, the Jamharat Al-Ansab and Nasa...