background: the aim of this study was to determine the serotypes and antimicrobial susceptibility of shigella spp. in isfahan, (iran) from 2010 to 2015.   methods: this retrospective study was conducted on shigella isolates in four tertiary care hospitals. the process of bacterial isolation and determination of susceptibility was performed by standard microbiological guidelines. the patients we...

a detailed model of wind power station, including double fed induction generator, dfig is presented in this paper. two control mechanisms are included in the model. the inner control system uses stator flux oriented control for the rotor side converter and grid voltage vector control for the grid side converter. the outer control system is used for wind turbine pitch angle. pscad/emtdc is used ...

conclusions the current study revealed that a significant percentage of sandwich generation females have chronic diseases. results a statistically significant difference was found between the two groups in terms of the presence of chronic diseases (p = 0.001). there was a significant correlation between chronic diseases and number of children (p = 0.03), person receiving care (p = 0.004), educa...

the people’s republic of china is an ever rising world power and islamic republic of iran is one of the most powerful countries in the persian gulf region. the ever increasing world needs for oil and the role of iran and persian gulf in satisfying this need has made these relations more significant. the foreign policy of the fifth generation of leadership in people’s republic of china towards t...

Values have very important functions in any society. The significance  becomes so clear when a society has been exposed to changes and strengthening social cohesion is viewed as an essential subject. Great changes as the Islamic Revolution and the Imposed War have been happened in Iran during last several decades. In this line, generations can be understood via  direct or indirect experience of...

چکیده بر اساس مطالعات انجام شده در فصول زراعی 1386 و 1387، بعضی از جنبه های زیستی کرم ساقه خوار برنج (chilo suppressalis walker) شامل تعداد سنین لاروی و طول دوره ی رشد و نمو مراحل مختلف زیستی در دو نسل در منطقه ی مازندران بررسی شد. نتایج پژوهش حاضر نشان داد که تعداد سنین لاروی کرم ساقه خوار برنج در نسل های اول و دوم متفاوت می باشد، به طوری که این حشره در نسل اول دارای 6 و در نسل دوم دارای 5 سن ...

Background: The Covid-19 Pandemic has had a lot of impacts on society and students from various generations. Generations are a group of people who have the same age, traits, and experiences. Not all generations can overcome the impact caused by the pandemic on themselves, which is the cause of various problems in each generation starting from habits, behaviors, and stress. Generations Z and Y a...

hearing loss (hl) is the most common communication disorder affecting about 1/1000 births worldwide caused by environmental or genetic factors. about 30-50% is attributed to genetic factors and till now more than 85 genes have been implicated in non-syndromic hl. in iran, hl is second to intellectual disability as the most common disability, affecting 1 of every 166 persons. about 15 years ago ...