نتایج جستجو برای: cross gantrying
تعداد نتایج: 490223 فیلتر نتایج به سال:
background& aims: the mortality rate for breast cancer is directly related to the stage of disease at diagnosis. the present study aimed to determine the influencing factors on knowledge, attitudes, and practices of women regarding breast cancer and its screening methods.material & methods: in a cross- sectional study, evaluated 383 women referring health centers of ilam. sampling was d...
conclusions the present study reports the characteristics of iranian hookah smokers. most hookah smokers were educated young adults, who often smoked at home or in teahouses and in the company of friends. the majority of the participants smoked fruit-flavored tobacco and had no desire or intention to quit smoking. further studies in this field are required and hookah smoking should also be inco...
background road traffic injuries are among the leading causes of death in the world and iran. objectives the aim of this study was to assess the role of age, sex, education, and time of accident on human casualties and mortalities of road crashes in iran. materials and methods this study was based on data gathered by iranian police department from the records of road crashes from april 4, 2008 ...
objective: to translate verona service satisfaction scale-32 (vsss-32) to persian, to adapt it for iranian culture and to investigate the performance characteristics of the persian version intended to measure patient satisfaction with psychiatric care. method: the vsss-32 was translated to persian using an elaborated methodology according to world health organization guideline. in addition, und...
background: vaccination status is more often evaluated by up-to-date vaccination coverage rather than timeliness of immunization. this study was conducted to evaluate delayed vaccination during infancy period and to determine the predictors effecting on vaccination delay. methods: this cross-sectional study was conducted from june to september 2011 in hamadan province, the west of iran, recruit...
inhalation of pollens from different species of acacia is a common cause of respiratory allergy in tropical areas of the world. acacia farnesiana is commonly used as street trees in towns and ornamental shade trees in parks and gardens throughout arid and semi-arid regions of asia. this study aimed to produce and purify the a. farnesiana pollen profilin (aca f 2) and evaluate its nucleotide seq...
patients with keratoconus constitute a large proportion of patients suffering from anterior segment disorders. as of this time, however, its pathogenesis has not yet been elucidated. a reduction in cross-link between collagen molecules has been observed in keratoconic eyes as compared to normal ones. present approaches only address refractive errors resulting from the abnormal abnormal corneal ...
purpose : to determine the prevalence of refractive errors, strabismus and amblyopia in the schoolboys of varamin city, iran methods : in a cross-sectional population-based study in 2010, we used random cluster sampling to select the participants from varamin high school students. examinations were conducted at the school site under standard conditions. all students had non-cycloplegic refracti...
یکی از استراتژی های نو که طی دهه اخیر پتانسیل بسیار خوبی برای کنترل هزینه های شبکه توزیع محصولات در زنجیره تامین از خود نشان داده است رویکرد استفاده از باراندازهای متقاطع به عنوان حلقه واسط میان تولید کنندگان نهایی محصولات و خرده فروشان می باشد. این مراکز قادراند ضمن افزایش گردش موجودی در زنجیره، از طریق تسهیل حمل و نقل در مقیاس اقتصادی کاهش هزینه های لجستیکی را سبب شوند. در این پایان نامه ایده...
بطورکلی صفات موجودات زنده را میتوان به دو گروه کیفی و کمی تقسیم کرد. معمولا" در تولید صفات کیفی تعداد کمی ژن دخالت داشته و عوامل محیطی در چگونگی تظاهر آنها تاثیر زیادی ندارد. برعکس صفات کمی علاوه بر اینکه بوسیله تعداد زیادی ژن کنترل میشوند تا حدود زیادی نیز تحت تاثیر عوامل محیطی قرار میگیرند. بنابراین بررسی توارث صفات کمی بسهولت بررسی توارث صفات کیفی صورت نمیگیرد. ولی با توجه به اینکه اکثر صفات...
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