نتایج جستجو برای: radiation measurement
تعداد نتایج: 667117 فیلتر نتایج به سال:
Plasma is one of the most researched fields. Its use as a sterilizer is being rapidly explored. Thus, in this process it has become necessary to understand the effect of UV radiation produced due to plasma. The goal for our project is to measure the levels of ultraviolet radiation plasma creates and then compare the result with the safety standards of UV radiation individuals can be exposed to....
The various fluxes of radiation to and from the Earth’s surface are among the most important variables in the heat economy of the Earth as a whole and at any individual place at the Earth’s surface or in the atmosphere. Radiation measurements are used for the following purposes: (a) To study the transformation of energy within the Earth-atmosphere system and its variation in time and space; (b)...
Measurement of ionizing radiation in various fields, such as environmental safety, industrial detection processes, radiation protection and medical is very important. Radiation dosimetry plays an important role in determining the amount of energy absorbed and the effects of radiation. Recent optical fiber sensors have been shown to be radiation dosimeters. Our goal here is to investigate the ef...
Background: Radiochromic film is used for radiation dose measurement, XR-RV3 is used in fluoroscopy and EBT2 film in radiation therapy. The aim was to determine if the dosimetric properties of these two films are comparable in megavolt photon beams. Materials and Methods: Comparison measurements included: calibration curves, heterogeneous phantom dose profiles, and nasopharynx dose distributio...
Introduction: Quality assurance in Computed tomography (CT) centers in developing countries are largely hindered by the unavailability of CT phantoms. The development of a local CT phantom for the measurement of organ radiation absorbed dose is therefore requisite. Material and Methods: Local CT phantoms were designed to meet the standard criteria of 32 cm diameter for body, 16 cm diameter for...
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