in this thesis, a new optically active poly(amide-imide) (pai) was synthesized by the indirect polycondensation reaction of the l-phenylalanine based diacid chloride and 4,4?-diaminodiphenylether in the presence of triethylamine in n-methyl-2-pyrrolidone. the formation of pai was confirmed by ftir, 1h nmr and elemental analysis. in next step, the surface of titanium dioxide (tio2) nanoparticles...

Background & Objectives: Marital adjustment is one of the most common concepts to explain and define the health and continuity of the relationship, and it contributes a lot to the stability of married life. One of the most basic signs of marital adjustment is the "health" of people, and on the other hand, it predicts the state of social health, mental health, and even the phenomenon of divorce ...

abstract because of the many geopolitical, geo economical and geo strategically potentials and communicational capabilities of eco region, members can expand the convergence and the integration in base of this organization that have important impact on members development and expanding peace in international and regional level. based on quality analyzing of library findings and experts interv...

Introduction: The aim of this study was to the effectiveness of emotion- focoused couple therapy on the emotional schemas of young couples. Methods: The research method was semi-experimental to pretest-posttest. The statistical population consisted of all young couples with adjustment problems who referred to psychological service and counseling centers in Tehran in the second half of 2019 (N=...

introduction: diabetes mellitus is an growing national and international public health concern. the number of people affected by diabetes in world by 2030 will be 69% in developing countries. regular physical activity plays a key role in the management of type 2 diabetes melitus, particularly glycemic control. it has been recommended that peoples with type 2 diabetes participate in moderate-int...