water shortage is the most important factors on crop production in the world. several methods of deficit irrigation are solutions for reduction of irrigation water. to understand the effects of conventional deficit irrigation and partial root zone drying treatments on yield, yield components and water use efficiency of sunflower (farrokh cultivar), one study was carried out. the research was co...

conclusions the castings fabricated from the ringless technique with non-precious alloy are acceptable. this investing system is useable for the fabrication of fixed restorations. results after statistical evaluation, the following results were obtained: the mean vertical margin discrepancy for conventional investing was 156.72 ± 64.67µ; for the ringless technique it was 117.3 ± 26.77µ; and for...

purpose : to compare the outcomes of coaxial microincision phacoemulsification with that of conventional coaxial phacoemulsification setting: department of ophthalmology, farabi and noor eye hospitals, tehran, iran methods : in a prospective study, 74 eyes of 74 patients with cataract were randomly selected to have cataract extraction using 1 of 2 techniques: coaxial microincision phacoemulsifi...

the objectives of this study was to estimation of greenhouse gases (ghg) emissions and global warming in rice production and identify measures to reducing fossil energy use and greenhouse gases emissions. three rice production systems included sri, improved and conventional were studied. all activities, field operation and data in production methods and differents inputs rates were monitored an...

conclusions this study revealed the noticeable popularity of cam in patients suffering from chronic rheumatologic diseases, mostly due to their dissatisfaction with conventional treatments. patients and methods in this cross-sectional study, 100 randomly selected patients, with different diseases, were questioned about demographic data, disease duration, the type of cam used, reasons, visit int...

statement of problem: chondrosarcoma is a tumor which includes 10 percent of the bone primary tumors. its prevalence is half of the osteosarcoma and two times of ewing’s. the mean age of the patients ranges between 30-50 years of old. there is no significant sex or race predilection. the most common complaint is the presence of a painless and enlarging mass. its clinical course is described as ...

conclusions specimen adequacy and diagnosis of inflammatory reaction were better in liquid base smear and convention smear, respectively. results specimen adequacy and smear quality were significantly better in liquid base sampling (p = 0.03); presence of benign cellular changes was not different between the two groups (p = 0.389). diagnosis of bacterial vaginosis was significantly better with ...

Introduction: The aim of this study was to determine the accuracy of two different immobilization methods in patient positioning in cranial radiotherapy. The six-dimensional (6D) target localization accuracy of using a dedicated stereotactic mask was compared with that of a conventional head mask by the ExacTrac system. Material and Methods: ...

improving cleaning and disinfection performance must be taken into account for prevention and control of infection. health care settings are engaged in a battle against healthcare associated infection (hais). the importance of infection prevention and control is increasing due to rapidly developing strains of multi-drug resistant organisms (mdros) that can result in serious illness and even dea...