the purpose of this thesis was to investigate how differently metacognitive, cognitive, and social/affective strategies affect l2 learners’ reading comprehension. to this end, the study employed a quasi-experimental design with a placement test as a proficiency test to find the homogeneity of groups. three classes were randomly selected as the experimental groups (n =90), and each class was tau...

in this thesis, a structured hierarchical methodology based on petri nets is used to introduce a task model for a soccer goalkeeper robot. in real or robot soccer, goalkeeper is an important element which has a key role and challenging features in the game. goalkeeper aims at defending goal from scoring goals by opponent team, actually to prevent the goal from the opponent player’s attacks. thi...

در این پروژه، ابتدا 3 لیگاند جدید بر پایه ترکیب رودانین با نام¬های (l1): 3-amino-5-(2-oxoacenaphthylen-1(2h)-ylidene)-2-thioxothiazolidin -4-one. (l2): 3-(2-hydroxybenzylideneamino)-5-(2-oxoacenaphthylen1(2h)-ylidene)-2-thioxothiazolidin-4-one. (l3): 3-(2-methoxybenzylideneamino)-2-thioxothiazolidin-4-one . سنتز شد. لیگاندl1از طریق اضافه شدن ترکیب n- آمینو رودانین با استافتن کینون در حل...

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...