Zobrazeno 1 - 10
of 874
pro vyhledávání: '"A. Movafeghi"'
Publikováno v:
مجله علوم و فنون هستهای, Vol 45, Iss 1, Pp 61-68 (2024)
A large number of printed board circuits (PCBs) are analyzed by X-ray imaging in reverse engineering for the purpose of identifying their connections, their damage, and how they are linked together. Using this method, an X-ray is passed through singl
Externí odkaz:
https://doaj.org/article/f9854ae6a80142ebae9b9f4aa641b760
Publikováno v:
مجله علوم و فنون هستهای, Vol 44, Iss 4, Pp 55-66 (2023)
Proton computed tomography (pCT) can reduce proton therapy uncertainty by measuring Relative Stopping Power (RSP) directly. The spatial resolution of the pCT images decreases due to the multi colomb scattering (MCS) of protons inside the phantom. Thi
Externí odkaz:
https://doaj.org/article/f7904340a0674df3bdb53b19e47eef2c
Publikováno v:
مجله علوم و فنون هستهای, Vol 44, Iss 2, Pp 1-12 (2023)
Neutron Computed Tomography (nCT) is one of the modern applications of research reactors. The combination of the Three-dimensional representation capability of tomographic imaging and the unique properties of neutron interaction with materials create
Externí odkaz:
https://doaj.org/article/1bb166dea4f342ac812e6244e4164ad6
Publikováno v:
مجله علوم و فنون هستهای, Vol 44, Iss 1, Pp 121-129 (2023)
The basis of backscatter X-ray imaging systems is the scattering of backscattered rays that have many applications in industry and inspection. In these images, organic materials with low atomic numbers, such as drugs and explosives, produce many scat
Externí odkaz:
https://doaj.org/article/8b2cc92c853f437089c3d73821adc5a4
Publikováno v:
مجله علوم و فنون هستهای, Vol 43, Iss 1, Pp 86-95 (2022)
X-rays and neutron radiography images are one of the most effective defects and structure detection methods. The interactions between neutrons and X-rays are different in the material, and therefore, different information can be obtained from the rad
Externí odkaz:
https://doaj.org/article/d8f121ff852748dcaa141481a7ab5fd6
Publikováno v:
مجله علوم و فنون هستهای, Vol 42, Iss 4, Pp 35-43 (2021)
Accuracy in the treatment planning of proton therapy depends on the accuracy of the information used to calculate the relative stopping power of tissues in the patient's body. This information is obtained from x-ray computed tomography images using a
Externí odkaz:
https://doaj.org/article/33cbeb766c79495e99361ea5c638fd11
Publikováno v:
مجله علوم و فنون هستهای, Vol 42, Iss 4, Pp 9-18 (2021)
The significant defects in the artistic paints are rupture, scratches, and twisting, which are caused by variations in temperature, exposure to moisture, and erosion. Industrial radiography can detect the defect locations, which is a non-destructive
Externí odkaz:
https://doaj.org/article/8d39c8423b944df393b4c17101c2afc1
Publikováno v:
مجله علوم و فنون هستهای, Vol 42, Iss 2, Pp 71-77 (2021)
The study of the process of absorption and evaporation of fluids in porous media is of particular importance in sciences such as geology, civil engineering, environment, etc. Neutron radiography is one of the most precise methods for investigation of
Externí odkaz:
https://doaj.org/article/e70b2966971b4aca9506584af2d7b338
Publikováno v:
مجله علوم و فنون هستهای, Vol 41, Iss 4, Pp 55-64 (2020)
Due to the special and difficult conditions for the fuel rods inside the reactor core, inspection and quality control of the fuel after the production at the factory and before loading in the core of the reactor is essential. This process is carried
Externí odkaz:
https://doaj.org/article/ef31e90b0db246faa4e3efa4971deee7
Publikováno v:
مجله علوم و فنون هستهای, Vol 41, Iss 2, Pp 166-177 (2020)
Vision-RT system is one of the most effective methods for real-time estimation of target location in external beam radiotherapy. Vision-RT tracks the patient’s surface before and during radiation therapy to improve treatment accuracy. Using proprie
Externí odkaz:
https://doaj.org/article/cb276036c9cd4d81a72f5c7c6a0141c1