* Correspondence: [email protected] Department of Mathematics, Faculty of Science, Imam Khomeini International University, P.O. Box 34149-16818, Qazvin, Iran Full list of author information is available at the end of the article Abstract In this paper, an iterative sequence for relatively nonexpansive multi-valued mappings by using the notion of generalized projection is introduced, and th...

in order to investigate biodiversity and production of cultivated medicinal plants in agroecosystems of qazvin province, a study was conducted during year of 2011. interviews were carried out with farmers by using semi-structured questionnaire to obtain information regarding to biodiversity and medicinal plants production systems in main regions under cultivation of medicinal plants including f...

Aggressive periodontitis, characterized by a rapid rate of periodontal disease progression in the absence of large quantity of bacterial plaque and or calculus present, affects otherwise healthy individuals less than 30 years old. The purpose of this study was to determine the prevalence of aggressive periodontitis among high school students in Qazvin, Iran. 780 students attending high school i...

Background: Methicillin-resistant Staphylococcus aureus (MRSA) is resistant to most antibiotics and is an important pathogen of nosocomial infections. Colonization with MRSA is no longer limited to hospitalized patients or persons with predisposing risk factors and at present there are several strains of community-acquired MRSA (CA-MRSA). Objectives: The aim of this study was to determine the p...

Email: [email protected] Abstract Objective Sleep disorders are common in children; they also have a significant impact on the whole family, the parents in particular. Few studies in this field have been performed in Iran; hence the present study was carried out in order to determine sleep patterns and the prevalence of sleep disorders in school aged children in Qazvin. Material and M...

BACKGROUND Nurses are at risk of percutaneous exposure incidents (PEIs), which may lead to serious or even fatal blood-borne infections. OBJECTIVES To determine the prevalence of PEIs in the last year, among nurses and to assess their knowledge about and frequency of safe method of practice in exposure to blood-borne pathogens (especially, to HBV). MATERIALS AND METHODS A cross-sectional st...

BACKGROUND The prevalence of Metabolic Syndrome (MS) has been increasing worldwide. Although Uric Acid (UA) Levels are often increased in subjects with MS, it is still unclear whether uric acid plays a causal role for MS or is a marker. The purpose of this was to examine the association between UA and the MS in Qazvin, Iran. METHODS 529 men and 578 women aged 20 - 78 years attended in cross s...

OBJECTIVE This study was carried out to detect the prevalence of child abuse in three domains of physical, psychological and neglect among elementary school aged children of Qazvin Province, Iran. METHODS In this descriptive-analytic and cross-sectional study, 1028 elementary school aged children of Qazvin Province selected through multistage cluster sampling were assessed for child abuse in ...

The paper reports on a study in which the power loss, energy loss, and loss factor were measured in an actual distribution network in Iran (Qazvin Power Distribution Company) by using an innovative method of load estimation before evaluating five ways of approaching the problem from the point of view of operating costs. The objective function was to minimize the costs. adjusting the load imbala...