At low pressure, ethylene gas consists of single translating and rotating molecules and behaves as an ideal gas. With decrease of free volume by compression, various rotating supramolecular particles are formed, which require less space for the movement: molecular pairs, bimolecules and oligomolecules. The appearance of a new kind of particles is manifested as a phase transition of the second o...

shiite murji’ah is a movement in the second century of kufah. having distinguished themselves from official shiites after the rise of some political-social events in kufah and basically as a way of solving the troubles before shiite community, they adopted an idea concerning imamat –which is the most central foundation of shiite thought- which was a kind of retreatment from this foundation. tho...

The differences in tooth colour are important factors in the esthetic dentistry. The aim of this study was to determine the tooth colour using visual methods under natural light and "Easy Shade" device. Five hundred patients of Dental Clinic Graz Austria were selected for this study. The results of this study showed that the shade matching using "Easy Shade" device were not better than shade ma...

This study examined the efficacy of eye movement desensitization and reprocessing (EMDR) and exposure in the treatment of a specific phobia. Twenty-six spider phobic children were treated during 2 treatment phases. During the first phase, which lasted 2.5 hr, children were randomly assigned to either (a) an EMDR group (n = 9), (b) an exposure in vivo group (n = 9), or (c) a computerized exposur...

Children in the 2nd through 6th grade wrote reports about their favorite educational and informational television programs, and the reports were examined for the presence of gender stereotypes. Children’s written reports contained more male than female characters, more male than female pronouns, and more masculine than feminine behaviors. Effects were most pronounced for boys. Over time, preado...

objectives: fluoxetine is a selective serotonin re-uptake inhibitor (ssri) widely used for depression, bipolar disorder, anxiety and obsessive-compulsive disorder. the aim of this study was to assess the effect of fluoxetine on orthodontic tooth movement (otm) in rats. materials and methods: forty-five male wistar rats were randomly divided into three groups namely the control group (no medicat...

Chloroplast movements are among the mechanisms allowing plants to cope with changes in their environment. Chloroplasts accumulate at illuminated cell areas under weak light while they avoid areas exposed to strong light. These directional responses may be controlled by blue and/or red light, depending on the plant group. In terrestrial angiosperms only the blue light perceived by phototropins i...

the concept of the quran miraculousness had undergone several stages before getting to its pinnacle in the fourth century. in the first stage – which took place during the first and second centuries – it cab be witnessed that the lecturers and scholars of the era have confessed their incompetence to compete with the quran, and the scholars and exegetes have left untouched the miracle-related is...