نتایج جستجو برای: high risk

تعداد نتایج: 2764839  

پایان نامه :0 1392

it is definitely necessary to understand the concept and behavior of causation of life insurance policies and its determinants for insurance managers, regulators, and customers. for insurance managers, the profitability and liquidity of insurers can be increasingly influenced by the number of causation through costs, adverse selection, and cash surrender values. therefore, causation is a materi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1389

abstract: about 60% of total premium of insurance industry is pertained?to life policies in the world; while the life insurance total premium in iran is less than 6% of total premium in insurance industry in 2008 (sigma, no 3/2009). among the reasons that discourage the life insurance industry is the problem of adverse selection. adverse selection theory describes a situation where the inf...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم پزشکی 1392

چکیده: سرطان مجاری ادراری-تناسلی یکی از مهمترین علل مرگ و میر در میان زنان سراسر دنیا می باشد. متیلاسیون در موقعیت کربن شماره 5 باز سیتوزین یکی از مهمترین انواع تنظیمات اپی ژنتیکی بوده که روی مولکول دو رشته ای dna اتفاق می افتد. متیلاسیون باز سیتوزین ارتباط تنگاتنگ با تنظیم بیان ژن دارد. وضعیت متیلاسیون dna را با تکنیک بیسولفیت سکوئنسینگ می توان مورد بررسی و مطالعه قرار داد. متیلاسیون dna سبب ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ملایر - دانشکده منابع طبیعی 1393

با توجه به اهمیت تالاب شادگان در محیط زیست ایران و افزایش آلودگی های منطقه، در پژوهش حاضر غلظت کل و منشایابی فلزات سنگین در رسوب تالاب شادگان مورد بررسی قرار گرفت. بدین منظور نمونه برداری از رسوب سطحی 10 ایستگاه با 3 تکرار صورت گرفت. جهت تعیین غلظت کل فلزات رسوب از روش (direct aqua regia)و برای آنالیز غلظت های فلزات در بخش های ژئوشیمیایی رسوب از روش استخراج پی در پی استفاده شد. آماده سازی نمونه...

Journal: :iranian journal of public health 0
bahareh derakhshi 1. student research committee, school of medicine, kurdistan university of medical science , sanandaj, iran. nader esmailnasab 2. kurdistan research center for social determinants of health, kurdistan university of medical sciences , sanandaj, iran. ebrahim ghaderi 2. kurdistan research center for social determinants of health, kurdistan university of medical sciences , sanandaj, iran. siroos hemmatpour 2. kurdistan research center for social determinants of health, kurdistan university of medical sciences , sanandaj, iran.

prematurity is the most common cause of neonatal death. risk factors of premature birth can be related with ethnicity and genetic. there is no comprehensive high sample size study in kurdish ethnicity to determine risk factors related to prematurity. this study evaluated risk factors of preterm labor in kurdish ethnicity.this case-control study was conducted in 200 preterm infants (case group) ...

Journal: :journal of midwifery and reproductive health 0
mahin tafazoli lecturer, evidence-based care research center, department of midwifery, school of nursing and midwifery, mashhad university of medical sciences, mashhad, iran mona larki graduate, msc in midwifery ,department of midwifery, school of nursing and midwifery, mashhad university of medical sciences, mashhad, iran robab latifnejad roudsari associate professor, evidence-based care research center, department of midwifery, school of nursing and midwifery, mashhad university of medical sciences, mashhad, iran mohamad taghi shakeri professor of biostatistics, department of biostatistics and epidemiology, mashhad university of medical sciences, mashhad, iran ali babaee general practitioner, applied sciences education center in district 6- prison organization, mashhad, iran

background & aim: aids is one of the major public health challenges all over the world. perceived risk is a significant predictor of high-risk behaviors related to aids. women constitute more than half of the hiv patients, and the rate of female sex workers with aids is more than the rest of female population. therefore, the present study aimed to evaluate aids risk perception and its related f...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

abstract: country’s fiber optic network, as one of the most important communication infrastructures, is of high importance; therefore, ensuring security of the network and its data is essential. no remarkable research has been done on assessing security of the country’s fiber optic network. besides, according to an official statistics released by ertebatat zirsakht company, unwanted disconnec...

Journal: :medical journal of islamic republic of iran 0
ghazal panahi department of general surgery. arya hospital, eastern golestan st.mashhad, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی گلستان (golestan university of medical sciences) hossein shabahang department of general surgery, mashhad university of medical sciences.سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) helen sahebghalam department of radiology, islamic azad university of medical sciences, mashhad branch, mashhad, iran.سازمان اصلی تایید شده: دانشگاه آزاد اسلامی مشهد (islamic azad university of mashhad)

abstract   background: due to the high incidence of breast cancer and the effect of its early diagnosis on decreasing morbidity and mortality, we used the gail model to study breast cancer risk in iranian women.   methods: this study was done in a simple randomized way. participants were 2000 iranian women older than 35 years old. the questionnaire consisted of demographic data such as age, rac...

Journal: :iranian journal of public health 0
masoomeh maarefvand *besat kassaie hamidreza ghiasvand robabeh abolfathi gharibdoosti jagdish khubchandani

background: long distance truck drivers (ldtds) and their sexual health risk behaviors have been associated with greater prevalence of sexually transmitted infections (stis), hiv and hepatitis virus transmission. however, there is no information about iranian ldtds' high-risk behaviors. the aim of this investigation was to estimate the prevalence of high-risk behaviors in iranian ldtds. methods...

Journal: :international journal of high risk behaviors and addiction 0
khodabakhsh ahmadi behavioral sciences research center, baqiatallah university of medical sciences, tehran, ir iran javad khodadadi sangdeh department of counseling, university of kharazmi, tehran, ir iran sajad aminimanesh department of counseling, university of kharazmi, tehran, ir iran; department of counseling, university of kharazmi, tehran, ir iran , +98-9166313472 ali mollazamani behavioral sciences research center, baqiatallah university of medical sciences, tehran, ir iran mostafa khanzade department of psychology, shahid chamran university of ahvaz, ahvaz, ir iran

conclusions the results of this study suggested that parental monitoring and affiliation with deviant peers largely explained sexual risk taking among adolescents. therefore, prevention efforts aimed at reducing risky sex should compose of these factors. in fact, the results suggested that earlier prevention efforts may be warranted. results according to the results, about one-fifth of subjects...

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