As a strategic commodity, oil is essential to the industrial economy and occupies an important position in international competition national economic development. Price changes affect every aspect of sphere each country. The three crises history have become major factors world market prices. Compared with other two crises, second crisis 1970 was due interruption Iranian exports. set psychologi...

To study the structure of Iranian chemistry research, we identified 43 Iranian and international chemists who were highly cited in 7,682 Iranian chemistry publications (defined as an article with at least one Iranian author address) indexed in Science Citation Index (SciSearch) between 1990 and 2006, inclusive. We collected cocitation data for these authors from the entire SciSearch file (Dialo...

investment in oil and gas upstream activities is very important for the exploration and development of oil and gas fields. different and various laws and regulations deal with the investment in upstream operations. by reviewing these various laws and regulations, this research paper tries to discuss to what extent these laws and regulations have created legal confident for foreign investment up...

Crude oil fouling of the equipment surfaces is a troublesome issue which leads to operating difficulties, economic penalties, increased environmental impacts, and health and safety hazards in petroleum industry. With a rough estimation, a minimum cost of equal to 4 million barrels of oil/year is required to be invested to offset the costs of crude oil fouling in Pre-heat Trains of Iranian oil r...

this article analyses the effects of foreign exchange commitment and exchange rate unification policies on iran’s non-oil exports during the last three decades. in addition, the effects of these policies on non-oil exports have empirically been estimated. for this purpose, an export supply model was estimated using the econometrics technique of auto regressive distributed lag (ardl) and reliabl...

Negar Taleschian Tabrizi, Barmak Yaaghoubian, Fariba Pashazadeh, Sakineh Hajebrahimi. Students’ Research Committee, Iranian Evidence-Based Medicine Center of Excellence, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran; Iranian Evidence-Based Medicine Center of Excellence, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Urology, Iran...

The oil content of the wax produced in a dewaxing process is the key economic parameter that should be reduced as much as possible. Some factors such as the type of solvents, cooling rate, temperature, and solvent to oil ratio influence the dewaxing process. Due to the fact that crude oil differs from place to place and since the operational conditions for wax extraction vary for different type...