Context: Iran's culture and religion prohibit sexual contact prior to marriage. Due to the
sensitivity of the topic, little is known about the sexual activity of unmarried adolescent males or …

Landslide susceptibility and hazard assessments are the most important steps in landslide
risk mapping. The main objective of this study was to investigate and compare the results of …

PURPOSE: To assess the safety and efficacy of intracorneal ring segment (Intacs, Addition
Technology, Inc.) implantation in the management of keratoconus. SETTING: Department of …

PURPOSE: To report the clinical features of 93 eyes of 48 patients with chronic and delayed-onset
mustard gas keratitis. Clinicopathologic correlation in 5 eyes and a review of related …

Background: Carbamazepine has been used as AEDs since 1965, and is most effective against
partial seizures. Two basic mechanisms of action have been proposed: 1) enhancement …

In this study, we analyze the band structure, the state characterization, and electronic
transport of monolayer black phosphorus (phosphorene) zigzag nanoribbons (zPNRs) and …

PURPOSE: The purpose of this study is to evaluate the extent and potential correlates of
sexual risk-taking behaviors among adolescent boys aged 15–18 in metropolitan Tehran. …

Adsorption is one of the excellent ways for heavy metal removal from aqueous solution because
of advantages like the low cost, availability, profitability, ease of operation and efficiency…

The nitrogen doped TiO 2 (N-TiO 2 ) was synthesized via a facile hydrothermal method using
titanium (IV) butoxide as a titanium precursor and urea as a dopant source. The catalyst …

Photocatalysis based on semiconductor quantum dots which utilize the solar energy can be
used for the elimination of pollutants from aqueous media and applied for water purification. …