in this thesis, a better reaction conditions for the synthesis of spirobarbiturates catalyzed by task-specific ionic liquid (2-hydroxy-n-(2-hydroxyethyl)-n,n-dimethylethanaminium formate), calcium hypochlorite ca(ocl)2 or n-bromosuccinimide (nbs) in the presence of water at room temperature by ultrasonic technique is provided. the design and synthesis of spirocycles is a challenging task becaus...

gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...

چکیده رابط ه میان شدت جرم و میزان مجازات آن، رابط های مستقیم است؛ به این معنا که هر چه جرمی شدیدتر باشد، ضرورتا مجازات آن نیز سنگی نتر خواهد بود. نظر به اهمیت همین مسئله است که موضوع شدت جرائم بی نالمللی به بح ثهای بسیاری میان نویسندگان حقوقی، به ویژه قضات دادگا ههای بی نالمللی کیفری ، دامن زده است. این مسئله به خصوص در مورد جنایات علیه بشریت و جنایات جنگی بغرن جتر است؛ چون که هم دیدگا ههای دکت...

previous studies regarding teachers’ beliefs have revealed that teachers’ beliefs have influence on their classroom practices. the current study aimed to investigate the effect of teachers’ beliefs about teaching reading strategies on students’ motivation and success in reading comprehension in the context of english teaching as a foreign language in high schools of mazandaran, iran. data were ...

Given the macroeconomic policies of reducing dependence on oil revenues (as the most important sources of government revenue) and increasing tax revenues, a decisive response to the phenomenon of tax evasion has become the most important economic and political goals of the government. The use of the other person's commercial card as one of the tax evasion techniques is one of the tax crimes tha...