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A nondestructive inspection system based on two new linear accelerators UÉLV-15-2D-100 with nominal energy 15 MeV and bremsstrahlung dose rate up to 120 Gy/min 1 m from the target has been developed and built. This system will be used for transillumination of thick objects using the radiographic...
The results of calculations of the 234 U content in enriched uranium are presented. These results substantiate the need to change the ASTM C 996 specification for the maximum 234 U content in enriched uranium to 11000 μg/g 235 U and the ASTM C 787 specification for the maximum 234 U content in...
A new method is proposed for performing thermophysical calculations of a core with fuel elements whose cross sections are cross-shaped. The method is based on the concept of equivalent roughness. The equivalent roughness parameters are chosen in accordance with the experimental values of the...
The results of a comparative numerical investigation of three types of resonator systems of a cyclotron for acceleration of negative hydrogen and deuterium ions up to maximum energy 30 and 15 MeV, respectively, are presented. It is shown that a vertical system with two half-wave resonators...
A system for stereotactic radiation therapy using narrow bremsstrahlung beams for pathological and normal intracranial structures is examined. The system is based on an LUÉR-20M medical linear accelerator. The method is based on stereotactic centering of a small intracranial target using an...
The results of development work performed on and the application of fuel-assembly models with fuel-element simulators are presented. The technical solutions which make it possible to move the simulators under heat-cycling conditions, improve the temperature regimes of the simulators, and provide...
The characteristics and a brief description of cyclotrons for applications are presented. These cyclotrons are currently under development at the Scientific and Industrial Complex for Linear Accelerators and Cyclotrons of the D. V. Efremov Scientific-Research Institute of Electrophysical...
The characteristics and a brief description of the construction of a sterilization system using 3 MeV accelerated electrons with 2.5 kW beam power are presented. A special feature of the system is local radiation protection which lowers the radiation level 100 mm from the outer surface of the...
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