نتایج جستجو برای: first aids
تعداد نتایج: 1495412 فیلتر نتایج به سال:
چکیده در این پایان نامه رفتار مصرفی در مناطق شهری با استفاده از الگوهای سیستم تقاضای تقریباً آرمانی aids و سیستم مخارج خطی les با روش های رگرسیون های به ظاهر نامرتبط sur و حداکثر درستنمایی film مورد تجزیه وتحلیل قرار می گیرد. کالاهای موردبررسی در 9 گروه عمده ی هزینه ای وهمچنین 4 گروه مواد غذایی به صورت غیر مقید و مقید به قیود همگنی و تقارن انجام شده است.در تابع تقاضای aids کشش های درآمدی دخان...
a comparative study between two methods of health education in high school students about hiv/aids n. amirzadeh [1] , j. h amirzadeh [2] , h. khalilzade [3] abstrac t introduction: aids is the most serious and life threatening viral infection. today prevention is a key component of treatment and hiv education. education adolescent about aids is essential for preventing hiv infection...
the problem of aids had not been recognized up to 1981 and in 1984 it was found that hiv virus is factor of this disease. for the time beings aids/hiv infection has chanched to a pandemic and cases affected to it are now reported from all over the world. in our country the first case was reported in 1987. regarding the importance of disease and recognition of its prevention and transmission rou...
Introduction: The first case of HIV-infection in Iran was a hemophilic child who was infected by imported blood products in 1989. Since then, the HIV epidemic in Iran has undergone significant changes. This study investigated the time variations of the epidemiology of reported HIV/AIDS -infections during 2011-2017 in Yazd, Iran. Methods: This analytical cross-sectional study was carried out us...
background : the education of preventing hiv/aids among the students 1s one of the best methods to prevent the spread of aids virus. the awareness of the students' knowledge about this disease is the first step in this way. methods : this descriptive-analytic study (cross-sectional) was done in hamadan male high schools in 1383-84, by using a closed questionnaire, the data was collected from 40...
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