نتایج جستجو برای: bolus calculator
تعداد نتایج: 16166 فیلتر نتایج به سال:
Compared with the conventional electronic computer, the Ternary Optical Computer (TOC) is the better idea for next generation computing tools because it possesses numerous data bits, enough intercom bandwidth, and inter controller made of electronic computer, but when designing optical calculators in TOC, there is much randomness that bring the manufacture of the optical calculators on lots of ...
Introduction: This study aimed to evaluate the efficacy of a synthesized bolus in the reduction of damage to body tissues and the protection of the organ at risk (OAR) in radiotherapy application. Several properties of the synthesized bolus, including density, transmission factor, and effective mass attenuation coefficient, were investigated. Material and ...
PURPOSE To compare the astigmatic power of toric intraocular lenses (IOLs) obtained from the AcrySof, TECNIS, and iTrace toric calculator in patients with preoperative with-the-rule (WTR) or against-the-rule (ATR) corneal astigmatism. MATERIALS AND METHODS Fifty eyes with cataract and corneal astigmatism greater than 0.75 diopters were enrolled in each group (WTR and ATR). Keratometric values...
Introduction: In radiotherapy, the bolus is often used while treating the tumor under the uneven surfaces of the patients for correcting the anatomical irregularities and increasing skin dose. Wet cotton and wet gauze are still used in developing countries, since the use of wet cotton and wet gauze has certain disadvantages, there is a need for transparent bolus which ...
The performances of the Prostate Cancer Prevention Trial (PCPT) risk calculator and other risk calculators for prostate cancer (PCa) prediction in Chinese populations were poorly understood. We performed this study to build risk calculators (Huashan risk calculators) based on Chinese population and validated the performance of prostate-specific antigen (PSA), PCPT risk calculator, and Huashan r...
In this paper we propose a Logic Calculator with three operation modes: evaluation of logical formulae; logical entailment and conversion of a formula to Disjunctive Normal Form (DNF) and Conjunctive Normal Form (CNF). It is worth noting there are no existing automated tools for these three computations integrated into one tool providing a graphical calculator format. Logic Calculator is availa...
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