نتایج جستجو برای: pd
تعداد نتایج: 58363 فیلتر نتایج به سال:
در قسمت اول این پایان نامه، نانو ساختارهای ni/co hexacyanoferrates ترکیبی به عنوان کاندیدهای خوب برای ساختن ابر خازن های الکتروشیمیایی معرفی شدند. ترکیبات مختلفni/co hexacyanoferrates بر روی یک بستر ارزان استیل توسط روش cyclic voltammetric (cv) نشانده شدند. نانو ساختارهای ترکیبی metal cyanoferrate یک ظرفیت بالای در حد(765 f.g-1) نسبت به آنچه که ازnickel hexacyanoferrate (379 f.g-1) وcobalt hexa...
current sampling instruments of respirable dust (rd) may over estimate the inhaled dose by up to 400% depending on the size distribution of airborne dust. this limitation and the practice of assigning a single value for rd to all jobs regardless of the level of activity are incompatible with the advances in occupational epidemiology. a new dust sampler designed to estimate pulmonary deposition ...
Background: The incidence of glucose-6-phosphate dehydrogenase (G-6-PD) deficiency in Iran is estimated at 10-14.9%. The donor blood in blood banks is not screened routinely for this enzyme deficiency and such blood may be used for neonatal exchange transfusion.Objective: To study the effect of G-6-PD deficient blood in neonatal exchange blood transfusion.Methods: In a prospective study, serum...
Background: One third of patients with Parkinson’s disease (PD) have mentioned “dysphonia” as their most debilitating communication deficit. Patient-based measurements, such as Voice Handicap Index (VHI) add necessary supplementary information to clinical and physiological assessment. There are a few studies about relation between VHI and disease severity in PD, although none of them showed an...
normal 0 false false false en-us x-none fa microsoftinternetexplorer4 aim : this study aimed to determine the association between pd-1.5c/t (rs2227981, +7785) and the risk of gastric cancer (gc) in an iranian population. background : gastric cancer is the fourth most common cancer in the world. the programmed death 1 (pd-1) is a member of the cd28 super family. pd-1 is a negative regulator of t...
background: because of the adverse effects of ionizing radiation on fetuses, prior to radiotherapy of pregnant patients, fetal dose should be estimated. fetal dose has been studied by several authors in different depths in phantoms with various abdomen thicknesses (at). in this study, the effect of maternal at and depth in fetal dosimetry was investigated, using peripheral dose (pd) distributio...
b a c k ground: several studies have indicated that executive dysfunction is the main neuropsychological feature of parkinson’s disease (pd). the frontal assessment battery (fab) is a short tool for the assessment of executive functions. p u r p o s e : the aim of this study was to determine the relationship between persian version of fab scores and age, education, mini-mental state examination...
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