نتایج جستجو برای: iran n130000 by using multistage random sampling technique
تعداد نتایج: 8902842 فیلتر نتایج به سال:
Previous studies on type 2 diabetes mellitus in the Islamic Republic of Iran were mainly performed in provinces with large populations. This study determined the prevalence and risk factors of diabetes mellitus in an adult population (40-80 years old) from Yazd district. Multistage, systematic cluster random sampling was used in a crosssectional, population-based survey. Demographic, clinical a...
some new water-soluble schiff base complexes of na2[m(5-so3-1,2-salophen)].nh2o; (5-so3-1,2-salophen = n,n’-bis(5-sulphosalicyliden)-1,2-phenylendiamine); na2[m(5-so3-2,3-salpyr)(h2o)n].2h2o; (5-so3-2,3-salpyr = n,n’-bis(5-sulphosalicyliden)-2,3-diaminopyridine); and na2[m(5-so3-3,4-salbenz)(h2o)n].nh2o; (5-so3-3,4-salbenz = n,n’-bis(5-sulphosalicyliden)-3,4-diaminobenzophenon); where m = cu, n...
OBJECTIVE To assess the breast-feeding condition based on economic status among primary school children and comparison between Turkman and non-Turkman ethnic groups in northern Iran in 2010. METHODS This was a descriptive, cross-sectional and retrospective research study, carried out on 6882 primary school children (4157 = non-Turkman and 2725 = Turkman) from 112 school of urban and villages ...
BACKGROUND There are high levels of sexual harassment in health care systems. Also, workplace violence occurs against ethnic and racial minorities. This study aimed to identify the frequency of and the factors contributing to and preventing sexual and racial harassment in the workplace towards health professionals in Iran. METHODS This cross-sectional study was conducted on 6500 out of 57000 ...
abstract in the present research solution of chalcopyrite in sulfuric acid in hydrometallurgy method using electrochemistry with cyclic voltammetry technique has been investigated. the value of maximum reduction peak current of copper ions represents the measure of solubility. in this research different parameters temperature, potential, potential exert time, chalcopyrite concentration, sulfur...
the study was designed to investigate the comparative analysis of agricultural credit users and non-users among cassava farmers in ohafia local government area of abia state. a sample of 50 credit users and 50 non-credit user cassava-based farmers were selected by multistage random sampling technique. data were collected with a well structured questionnaire administered to a total of 100 random...
abstract the purpose of this study was to find out the effect of applying the principles of group-dynamic assessment (g-da) on learning of conditional structures in english by iranian efl learners at the intermediate level, which according to the formal educational system in iran, includes students who are in their second year of studying in high schools of koohdasht city. this study was a qua...
the poor performance of fishery subsector is most clearly evidenced by low adoption of fishery production technologies by farmers. the purpose of this research was analyzing influence of socio-economic factors on the adoption of fish production technologies by community-based farmers in cross river state, nigeria. a multistage random sampling technique was used in selecting 60 community-based f...
BACKGROUND This study was designed to assess the effectiveness of stress management training in improving the ability of coping with stress in a large population. METHODS Five cross-sectional studies using multistage cluster random sampling were performed on adults aged ≥ 19 years between 2000 to 2005 in Isfahan and Najafabad (Iran) as intervention cities and Arak, Iran as the control city wi...
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