in solvo-hydrothermal method, xrd pattern was indicated presence of intermediate of ammonium octatmolybdate and ammonium tetramolybdate, which were changed to stble phase of ?-moo3 annealing. sem images were indicated nanoparticle with semispheical morphology and tem image was demonstrated nanoparticles with a diameter size of 25nm. also in impregnate method. the xrd pattern was shown high crys...

cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...

abstract type-ii fuzzy logic has shown its superiority over traditional fuzzy logic when dealing with uncertainty. type-ii fuzzy logic controllers are however newer and more promising approaches that have been recently applied to various fields due to their significant contribution especially when the noise (as an important instance of uncertainty) emerges. during the design of type- i fuz...

Background and Aim: mothers of children with Down syndrome face challenges in caring for their children which lead to decreased happiness among them. The present research was conducted by the aim of investigating the effectiveness of positive psychotherapy on happiness among mothers of children with Down syndrome. Methods: The present research was a semi-experimental study which used a pretest...

critical thinking ability has an important role in education. accordingly, scholars around the world are searching for new ways for teaching and improving students critical thinking ability. in line with the studies in efl contexts supporting the positive relationship between critical thinking and writing performances, this study investigated the differential effects of halverson’s critical thi...

Background: diabetes causes psychological problems besides physiologic ones for the people. Therefore the purpose of the present study was to determine the effectiveness of acceptance and commitment therapy on mental health of the patients with type 2 diabetes in the city of Isfahan. Methods: the research method was semi-experimental and its design was pretest, post-test with control group a...

this study was designed to investigate the impacts of teachers self-disclosure on students foreign language classroom anxiety, attitude to english language learning and their achievement scores at the end of the term. there were 48 female learners of intermediate level. they were not randomly selected. there were one experimental group with 21 students and one control group with 27 students.the...

The purpose of this study was to investigate the effect of behavioral activation therapy on coping  strategies  in students with general anxiety disorder. The research method was semi-experimental with pretest-posttest with the control group. A total of 30 undergraduate and undergraduate female students from Khorramabad University were selected based on criteria of the research and randomly ass...