نتایج جستجو برای: ground response curve
تعداد نتایج: 1223227 فیلتر نتایج به سال:
background: lymphocyte-dicentric assay is the most generally accepted method for biological dosimetry of overexposed individuals. in this study, the frequency of unstable chromosome aberration in blood lymphocytes was used to estimate radiation dose received by individuals. evaluation of dose using a calibration curve produced elsewhere may have a significant uncertainty therefore, experiments ...
In this paper, with due respect to the original data and based on the extraction of new features by smaller dimensions, a new feature reduction technique is proposed for Hyper-Spectral data classification. For each pixel of a Hyper-Spectral image, a specific rational function approximation is developed to fit its own spectral response curve (SRC) and the coefficients of the numerator and denomi...
Estimation of absorbed dose for radiation workers or person involved in different radiological accident is the aim of biodosimetry. Cytogenetic methods are the most current and applicable biodosimetry tools. In chronic or protracted exposure, fluorescence in situ hybridization (FISH), stable chromosomal aberration is used for estimation of absorbed dose. For precise estimation of absorbed dose,...
PURPOSE To evaluate the static measurement of the accommodative stimulus-response curve with emoji symbols. METHODS The accommodative stimulus-response curve was measured in 18 subjects using a Hartmann-Shack sensor to obtain the objective accommodative response from the Zernike defocus term. Measurements were acquired at different accommodative demands, from 0 to 3 D with a step of 0.5 D. De...
Using 'classical' experimental protocols, a human phase-response curve (PRC) to a single 3-h bright light pulse has been established. When the light pulse was centred slightly before the time of body temperature minimum, the circadian system delayed, whilst a pulse slightly after the minimum advanced it. Maximum phase shifts were about 2 h. When light pulses over 3 successive cycles were used, ...
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