نتایج جستجو برای: diagnostic reference level
تعداد نتایج: 1572347 فیلتر نتایج به سال:
The aim of this work is to describe how diagnostic reference levels (DRLs) are being established and implemented in Switzerland. Several nationwide surveys are launched in order to determine the patient dose distributions for a number of CT and fluoroscopy examinations that will be used to set up the corresponding DRLs. Meanwile the european recommended DRLs are considered. When no European rec...
abstract: the present study is an attempt to find out cultural exophoric references in iranian high-school elt textbooks and touch stone series to compare the frequency of occurrence of such references in these books. the purpose is to find out which of the series of the books under investigation impose a greater referential burden on efl learners as far as their reading comprehension of the ...
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