نتایج جستجو برای: the occurrence percent
تعداد نتایج: 16067101 فیلتر نتایج به سال:
Background: Hepatitis A is one of the most common viral infections in the world. In children, the manifestations of infection are usually milder but in adults they are more severe. The risk of acute hepatic failure increases when the infection occurred in the older ages. The aim of the study was to evaluate of serum hepatitis A antibodies in children. Methods: This cross-sectional study was pe...
BACKGROUND Selenium is one of the trace minerals whose deficiency is known to lead to complications of female reproduction. The identified gaps in researches regarding selenium and pregnancy include optimizing the dosage of selenium supplementation, timing of supplementation, finding the best form and type of selenium, and selenium administration combined with other antioxidants. Hence, this st...
in this research, the statistics of daily temperature of meteorology stations for estimating the probable occurrence of the first and last frost temperature, the phonological thresholds of saffron and its flowering and irrigation dates were explored. furthermore, by applying different methods, the probabilities of the attained dates in different probability levels were fit in smada software. th...
Wheat is one of the most important grain crop in the world . This kind of plants getting infected by various natural and human factors. Occurrence of disease in this crop may cause disturbance in the circle of economic and management. Therefore prediction and prevention of this disease is one of the main concerns for managers. The method that can help to predict the conditions suitable for dise...
background & objectives: the purpose of this study was evaluating the hearing status of tinnitus patients referred to our center. materials & methods: a total of 144 patients, referred to our center by the end of december 2008 to june 2009, who have tinnitus complaints after initial examination and cleaning the ear duct in the audiology clinic were introduced and completed the questionn...
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