نتایج جستجو برای: response curve

تعداد نتایج: 1091866  

Ali Anvarsamarin, Fariborz Farhadi

The purpose of this research was to evaluate the nonlinear dynamic response of rigid and semi-rigid steel frames under Far-Fault Earthquake Records. Accordingly, the fragility curve of the moment frames with rigid and semi-rigid connections was determined. Considering the analytical knowledge of structures in the past, the analysis and design of steel frames based on the assumptions of rigid or...

ژورنال: سنجش و ایمنی پرتو 2020

MgSO4:Cu phosphor was synthesized by solid state method. Optimum concentration of copper was determined at 0.1 mol%. Thermoluminescence characteristics of MgSO4:Cu was studied following gamma irradiation. A linear dose response was observed in dose range of 1Gy to 500Gy. Reusability of this sample was tested after 10 cycles of gamma irradiation and it revealed that the intensity remains approxi...

Journal: :Human brain mapping 2002
Rogier E Hagenbeek Serge A R B Rombouts Bob W van Dijk Frederik Barkhof

Activation in the visual cortex is typically studied using group average changes in an on-off paradigm for a single flicker frequency. We used functional magnetic resonance imaging (fMRI) to characterize the stimulus-response curve in the visual cortex as a function of flicker frequency in individual subjects, using LED goggles with 17 frequency steps between 0 and 30 Hz. Ten healthy young indi...

Journal: :iranian journal of radiation research 0
k. adinehvand borujerd islamic azad university, borujerd, iran m.h. zahmatkesh novin radiation medicine institute, tehran, iran m.r aghamiri division of radiation medicine, shahid beheshti university, tehran, iran sh. akhlaghpour department of radiology, tehran university of medical sciences, tehran, iran s. bagheri novin radiation medicine institute, tehran, iran

background: the purpose of this study was to evaluate the dependency of magica polymer gel dosimeter response (r2) on different electron energies as well as on different mean dose rate for a standard clinically used linear accelerator. materials and methods: the sensitivity of the dosimeter was represented by the slope of calibration curve in the linear region measured for each modality. a cali...

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