نتایج جستجو برای: age2327201 yr

تعداد نتایج: 32205  

A. Shabestani Monfared, M. Amiri, R. Abdi,

Background: The effect of natural background radiation on health is still controversial. However, it is clear that it depends on the dose received by the population. The estimation of external natural background gamma rays received by the population of Caspian coastal provinces in the northern part of Iran was the main goal of this study. Materials and Methods: Gamma rays was measured ...

Journal: :international journal of hematology-oncology and stem cell research 0
kh arjmandi rafsanjani assistant professor of pediatric hematology and oncology, iran university of medical sciences, ali asghar children’s hospital gr bahoush assistant professor of pediatric hematology and oncology, iran university of medical sciences, ali asghar children’s hospital p vossugh assistant professor of pediatric hematology and oncology, iran university of medical sciences, ali asghar children’s hospital aa hedayatiasl professor of pediatric hematology and oncology, iran university of medical sciences, ali asghar children’s hospital m faranoush assistant professor of hematology and oncology, semnan university of medical sciences, amir al momenin hospital

introduction: langerhans cell histiocytosis (lch) is a rare disease characterized by clonal prolifera-tion of histiocytosis in different tissues. permanent consequences (pc) described among subjects with langerhans cell histiocytosis (lch).in this study we report the prevalence of permanent sequel among long – term survivors of lch in our center. methods: we had 30 cases of lch from 1989 – 2001...

هدف از این پژوهش بررسی تأثیر شدت بهره‌برداری بر رویش حجمی جنگل‌های با­ارزش راش در شمال ایران بود. برای این منظور، رویش حجمی درختان در یک دوره 10 ساله در سه پارسل بهره‌برداری­شده با شدت‌های کم، متوسط و زیاد (به­ترتیب با شدت‌های برداشت شش، 1/13 و 18 m3/ha) و در یک پارسل حفاظت­شده (شاهد) به روش قطعات نمونه ثابت در توده‌های راش آمیخته در جنگل‌های ناو اسالم برآورد شد. نتایج نشان داد شدت بهره‌برداری ...

Journal: :European Respiratory Journal 2001

ژورنال: علوم آب و خاک 2007
مجید افیونی, , حسین خادمی, , منوچهر امینی, ,

Heavy metals including cadmium (Cd) and lead (Pb) are entering agricultural soils from different routes and mainly due to human activities. Accumulated Cd and Pb in the soil would eventually enter the human and animal food chains and pose threat to their health. Therefore, evaluating heavy metal accumulation is necessary to prevent soil and environmental pollutions and should be considered by r...

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