نتایج جستجو برای: bojnoord
تعداد نتایج: 25 فیلتر نتایج به سال:
BACKGROUND Reported age standardized incidence rates for esophageal cancer in Iran are 0.88 and 6.15 for females and males, at fifth and the eighth ranks, respectively, of cancers overall. The present study aimed to map relative risk using more realistic and less problematic methods than common estimators. MATERIALS AND METHODS In this ecological investigation, the studied population consiste...
The positive effects of renewable energies have forced many countries to draw attention to clean environmentally friendly energy sources such as wind. However, the first step for harnessing the wind energy is to locate regions with good potential for turbine installation. The use of wind energy to provide steady and reliable supply of electricity is on the increase. In this work, Weibull probab...
The present study aims to explore the competitiveness of Iranian cities based on economic indices. The research is applied in terms of purpose and descriptive - analytical in terms of method. The population included all central cities in the country in 2011. In order to analyze the competitiveness of the central cities, 20 economic indices were extracted based on data from Statistical Yearbook ...
academic failure is an important issue in medical students which, if not controlled, will cause a drop in the academic level of physicians and paramedics in the coming years. therefore, identification of factors affecting academic failure can influence the future planning of universities and reduce those factors and help effectiveness and flourishing of these students. this study aimed to inves...
the rapid and sprawl development city in recent decades has created many problems for cities and causing instability in urban environments. the late twentieth century these problems caused a revision in urban planning models and introduction of new models such as the infill development. studies show that third world countries like iran are faced with sprawl development model and should take the...
abstract climate change and increase the temperature of the environmental importance of human behavior that is considered in recent years many studies have been devoted .objective of this study is to investigate trend and slope trend monthly of hdd with temperature threshold of 18. mean daily temperature of weather during the statistical period of 44 years (1962-2005) was provided from asfe zar...
the aim of the study is the classification of landform based on elevation, slope, relief and curvature inputs (old method) and topographic position index (tpi) (new method) in the south of bojnoord. the input data for the two methods is a digital elevation model (dem). the results of topographic position index (tpi) model showed that most area of landform were covered by class 5 (plains small) ...
Investigation of Factor structure, validity, and reliability of general health questionnaire (GHQ) in Iranian adolescents was the purpose of present study. Study design was descriptive and 1497 high school students (789 girls and 708 boys) from Qom, Damghan, and Bojnoord cities were selected using cluster sampling. General Health Questionnaire (GHQ) as the main questionnaire, and General Anxiet...
Background: Milk is considered as one of the most complete foods, consumption of raw milk contained with aflatoxin M1 and antibiotics has raised consumer concerns. The aim of this study was to determine the level of aflatoxin and antibiotic residues in raw milk in Bojnurd, Khorasan province, Iran. Methods: In this study, 40 samples of raw milk from their distribution centers in the city of B...
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