With the increasing demand for energy globally and need to reduce fossil fuels, paying attention renewable clean sources is necessary. Solar systems are viable among heat electricity generation. In this study, an Off-grid solar system was investigated by considering effect of climate conditions environmental factors such as dust on performance PV panels. Performance efficiency using PVsyst soft...

Article Type: Original Article Introduction: There is a direct relationship between the quality of root canal obturation and success of endodontic therapy. The aim of the present study was to assess the quality of canal obturation performed by undergraduate dental students at the Faculty of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran. Materials and Methods: Records of 200 e...

Back ground: Urinary tract infection is one of the most common bacterial infections in pediatric group. Over the last decades the management of children with febrile urinary tract infection has become quite controversial. Although different guidelines had been designed to determine high risk cases, there is no global Consensus about imaging and follow up. In this chapter the author aim to discu...

BACKGROUND AND AIMS In spite of their enormous importance, permanent first molars might be affected by caries in children in developing countries. The aim of this study was to evaluate the treatment needs of first permanent molars in a group of schoolchildren in Mashhad. MATERIALS AND METHODS This cross-sectional descriptive study was carried out on 700, 7-9 year-old students in primary schoo...

INTRODUCTION Basic anatomical parameters in ophthalmology are variable in different countries according to ethnic groups, genetics and some environmental factors. The aim of this study was to determine the relationship between axial length (AL), anterior chamber depth (ACD) and intraocular lens power (IOL) in a referral center from eastern Iran among patients who had cataract surgery, in compar...

The cordon pricing scheme is an efficient measure to untie congestion and environmental problems in urban metropolitan areas. Since March of 2007, Mashhad has implemented a restricted Central Business District (CBD) Zone as a seasonal congestion management program. The primary goal of the Mashhad cordon scheme is to reduce traffic congestion throughout the CBD. This paper describes the main fea...

INTRODUCTION Neuroretinitis (NR) is considered to be an inflammatory condition which is characterized by optic disc edema and, as a result, formation of a macular star figure. NR is an atypical presentation of toxoplasmosis infection, and such cases are quite rare. CASE PRESENTATION A 13-year-old girl presented with painless subacute visual loss in her right eye for a week at Khatam-Al-Anbia ...

Purpose: To evaluate visual function in patients with different types of light-filtering intraocular lenses (IOLs) Methods: In this prospective comparative clinical study Cataract patients with different types of IOLs in Khatam-al-Anbia Eye Hospital, Mashhad were enrolled and followed for three months postoperatively. Corrected distance visual acuity (CDVA), color discrimination under photopic ...

High residual platelet reactivity (PR) in patients on clopidogrel therapy is associated with thrombotic events after percutaneous coronary intervention (PCI) with drug-eluting stents. It is well documented that determining an optimal PR cut-off point helps to better predict major adverse cardiovascular events (MACE). In addition, determining the optimal PR cut-off point helps to sufficiently su...