background : energy drink consumption has a direct relationship with high risk behaviors such as smoking and alcohol consumption. the aim of the present study was to investigate the pattern of energy drink consumption and its associated factors in college students. methods: a descriptive cross-sectional study was conducted on students of isfahan university of medical sciences, iran, in the acad...

this paper, largely motivated by hoey (2001), revisits the issue of written discourse analysis and, in particular, the problem-solution pattern. much discussion embarrasses the way in which texts are pro-duced and understood. the different functional approaches include halliday and hasan’s approach, van dijk’s process-oriented approach, the procedural approach of de beaugrande and dressler, and...

having access to locations struck by natural environmental disasters is one of the chief necessities in urban disaster management. this paper aims to study different physical and semi-physical patterns for increasing access to different districts in a city through applying changes to the present network of routes. to attain this goal, district 6 of tehran municipality was selected for the case ...

the effects of different storage temperatures and times on germination rate, malondialdehyde (mda), superoxide dismutase (sod), peroxidase (pod) and catalase (cat) activities in jatropha curcas l. seed were investigated. the results showed that germination rates of seeds stored at room temperature and 4°c for 1 month was significantly higher than those stored for 3 months at -20 and -80°c. mda ...

data grid is an infrastructure that controls huge amount of data files, and provides intensive computational resources across geographically distributed collaboration. the heterogeneity and geographic dispersion of grid resources and applications place some complex problems such as job scheduling. most existing scheduling algorithms in grids only focus on one kind of grid jobs which can be data...

this study was conducted to examine morphometric and meristic characteristics alongside pigmentation patterns of bream larvae, abramis brama orientalis, in four stages of larval development. morphological characters including total length (tl), standard length (sl), notochord length (nl), head length (hl), head depth (hd), eye diameter (ed) and mouth width (mw) were examined from hatching time ...

length-weight relationship is the most commonly used analysis which has been used for several purposes in fisheries field among which estimation of weight from length is the most popular one. the present study has been performed to analyze the length-weight relationship of mystus tengara , a freshwater catfish of indian subcontinent. total length and body weight of the studied specimens have be...

background: in order to provide better advice for prevention of obesity and eating disorders among children, there is a need to have more knowledge of their dietary patterns. this study examined meal and snacking patterns of primary school children in tehran. methods: a total of 761 male and female primary school children from all educational areas in tehran were recruited in a cross‑sectional ...

comparing dietary pattern and related socio-economic factors among adolescent girls in the north and south of tehran, the capital of iran. this cross-sectional and analytical study 210 adolescent girls, aged 14-17 years, from high schools in the north district of tehran (n=105; high socio-economic level) and the south district (n=105; low socio-economic level) were selected by the two-step, clu...

background: apelin is a mitogenic peptide; it has functions in vessel formation and cell proliferation. in this study we aimed to evaluate the serum and tissue levels and local expression pattern of apelin in eutopic and ectopic endometrium from patients with and without endometriosis and to compare the proliferative and secretory phase differences. methods: thirty women with endometriosis and ...