نتایج جستجو برای: dose estimation
تعداد نتایج: 569394 فیلتر نتایج به سال:
The dose/response curve in enzyme-multiplied immunoassays (EMIT) and related techniques may be described by the same "four-parameter logistic function" as has proven useful in radioimmunoassays, immunoradiometric assays (IRMA), and two-site immunoradiometric ("sandwhich") assays. This function provides an empirical description of the dose/response curve by use of an objective least-squares regr...
Introduction: Radiotherapy is an effective modality to treat esophageal carcinoma. Due to various inhomogenous tissues with a variety of physical and radiological properties which can cause uncertainty in accurate dose calculations in radiation therapy, accuracy of TPS is very important. The aim of this study was to quantify dose calculation accuracy of CoreplanTM TPS in an inh...
The possibility of employing α-Al2O3:C (TLD-500) for estimation of gamma dose in mixed n-γ radiation fields by two peak method has investigated. It was found that the main peak can be reliably deconvoluted to two component glow peaks. The ratio of peak 2 to peak 1 in pure gamma ray radiation field (137Cs) is 1.49 whereas irradiation by Am-Be neutrons results in a ratio of 1.12. The precision of...
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