in this project, some new polyaspartimides, (pas)s, have been synthesized form michael addition reaction between new synthetic bismaleimide (bmi) and some aromatic diamines. a characteristic property of this polyaspartimides is a pendent carboxylic group, which introduced to these polymers from new bismaleimide. bismaleimides (bmi) is one of the interesting compounds, which can be self-polymeri...

Background and Aim: The main objective of the research is to determine the understanding level of the students of Ferdowsi University of Mashhad in the terms used in user interface of SIMAD library software. Methods: The study is an applied research with survey descriptive method. Research population was Ferdowsi University of Mashhad, including 24346 students of whom 164 were selected as sampl...

the purpose of this study is identifying effective factors which make customers shop online in iran and investigating the importance of discovered factors in online customers’ decision. in the identifying phase, to discover the factors affecting online shopping behavior of customers in iran, the derived reference model summarizing antecedents of online shopping proposed by change et al. was us...