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...

the following null hypothesis was proposed: there is no significant difference between the efl students listening comprehension development receiving pictorial cues and those receiving no cuse. to test the null hypothesis, 52 male and femal freshmen students of medicine studing at iran university of medical scinces were randomly selected from a total population of 72 students. to ensure that th...

The Iraq war of 2003 was the dawn of both soft and hard impact and influence of the United States of America in this country. After the evacuation of American militants and the end of military presence in Iraq, United States continued its influence through cultural diplomacy and soft power. Unites states agency for international development as one of the most critical tools of cultural diplomac...

The present research has aimed to present a model to guarantee the quality of student-teacher preparation in Iran's educational system. For this purpose, a sequential, exploratory mixed research was used. Grounded theory was used in the qualitative phase. By means of purposive sampling, 28 individuals who better suited the aim of the research were selected, and semi-structured interviews were c...

abstract the third millennium has started, but the world is facing with serious challenges in achieving international security and peace. various human rights violations have lead the states to find means to protect human rights. also article 55 of the united nations charter introduces the respect to human rights and fundamental freedom as the most suitable ways to realize peace and security. ...

today the image of a permanent skeletal space of cities affected by some forces or mechanisms is put in time with social-economic development and while imposes a new face and perspective to physical anatomy of cities, and prepares field to changes in content and social- economic structures of cities too. simultaneously with quitting villages in order to settle in cities by villagers, the phen...