نتایج جستجو برای: response factor

تعداد نتایج: 1713930  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده مهندسی برق و کامپیوتر 1391

power transformers are important equipments in power systems. thus there is a large number of researches devoted of power transformers. however, there is still a demand for future investigations, especially in the field of diagnosis of transformer failures. in order to fulfill the demand, the first part reports a study case in which four main types of failures on the active part are investigate...

Journal: :iranian journal of medical physics 0
koroush arbabi ph.d. student in medical physics, agricultural, medical & industrial research school (amirs), nuclear sciences & technology research institute (nstri), atomic energy organization of iran (aeoi), tehran, iran gholamreza raisali associate professor, nuclear engineering, radiation application research school (rars), nstri, aeoi masoomeh dehghani moghadam m.sc. in nuclear physics, deputy of nuclear research & technology, aeoi, tehran, iran mostafa ghafoori m.sc. in nuclear engineering, amirs, nstri, aeoi, tehran, iran arjang shahvar b.sc. in nuclear physics, amirs, nstri, aeoi, tehran, iran said hamidi assistant professor, nuclear physics dept., physics group, basic sciences faculty, arak university, arak, iran

introduction: well type ionization chamber is a measuring device which is used to determine the activity of brachytherapy sources. the chamber has a cylindrical volume in which a cylindrical tube is mounted in the middle of the chamber. for the measurements, the brachytherapy sources are transferred to the middle of the tube. materials and methods: for designing the well type chamber, the measu...

Abbas Zavar Ali Khoshdel, Azam Shafahi Bita Dadpour, Reza Afshari, Seyed Monzavi,

Background: The goal of antivenom administration for snake-bitten patients is to achieve therapeutic response (initial control), which means reversal of the venom-induced effects through neutralizing the venom. The aim of this study was to identify snakebite prognostic factors of weak therapeutic response prior to antivenom administration. Methods: This was a retrospective study of patients wit...

Atia Zaka-ur-Rab, Eram Ali, Najmul Islam, Sayyed Ehtesham Hussain Naqvi

Background: Inflammatory response following surgical trauma has long been a matter of study. Results, however, have been varied. We sought to assess changes in the levels of proinflammatory and anti-inflammatory cytokines in patients undergoing laparoscopic and open cholecystectomy and their impact on the clinical outcome of patients concerning the postoperative pain score.Methods: The study in...

2003
Gary J. Greguras

Establishing the measurement equivalence of instruments is a prerequisite to making meaningful comparisons between individuals or within individuals over time. Whereas previous research has investigated the effects of rater characteristics on the measurement equivalence of performance ratings, the current study investigated a ratee characteristic – ratee job experience. Using confirmatory facto...

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