نتایج جستجو برای: radiation measurement

تعداد نتایج: 667117  

2013
N. Malathi P. Sahoo K. Praveen N. Murali

The paper presents an innovative approach towards development of real time dosimetry using a chemical dosimeter for measurement of absorbed radiation dose in the range between 1 and 400 Gy. Saturated chloroform solution in water, a well known chemical dosimeter, is used to demonstrate the concept of online measurement of radiation dose. The measurement approach involves online monitoring of inc...

In this study, a radiation pattern reconfigurable microstrip antenna is designed and fabricated. The antenna’s radiation pattern is directed in 9 different angles by employing a radiating patch and embedding complementary split ring resonators (CSRR) on the ground plane. The radiating patch is of circular shape, while for CSRR elements both circular and rectangular shapes are investigated. The ...

2008
G. SARRABAYROUSE S. SISKOS

-The influence of the irradiation dose on the parameters which control the temperature sensitivity of thick oxide p-MOS ionising radiation dosimeters is investigated. The temperature sensitivity of the threshold voltage, the carrier mobility and the minimum temperature coefficient current appear to be dose-dependent contrary to what is generally considered. The consequences on the dose measurem...

2003
Daryl R. Myers

Measurement and modeling of broadband and spectral terrestrial solar radiation is important for the evaluation and deployment of solar renewable energy systems. We discuss recent developments in the calibration of broadband solar radiometric instrumentation and improving broadband solar radiation measurement accuracy. An improved diffuse sky reference and radiometer calibration and characteriza...

2004
Daryl R. Myers

Measurement and modeling of broadband and spectral terrestrial solar radiation is important for the evaluation and deployment of solar renewable energy systems. We discuss recent developments in the calibration of broadband solar radiometric instrumentation and improving broadband solar radiation measurement accuracy. An improved diffuse sky reference and radiometer calibration and characteriza...

Journal: :journal of biomedical physics and engineering 0
a. amjadi biomedical physics and laser laboratory, physics department, sharif university of technology, tehran, iran f. motaghian biomedical physics and laser laboratory, physics department, sharif university of technology, tehran, iran

background: laser-tissue interaction on low-level laser therapy (lllt) has widespread medical applications (e.g., improved wound healing). the tensile strength of radiated tissue by lllt is known to be increased mainly because of cross collagen bands developed after radiation. objective: in this work, we studied the instantaneous effect of radiation of polarized laser beam on the viscoelastic t...

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