نتایج جستجو برای: radioactive waste
تعداد نتایج: 99699 فیلتر نتایج به سال:
To assess the safety for disposal of radioactive waste-cement composition, the leaching of Co from a waste composite into a surrounding fluid has been studied. Leaching tests were carried out in accordance with a method recommended by IAEA. Determination of retardation factors, KF and coefficients of distribution, kd, using a simplified mathematical model for analyzing the migration of radionuc...
The GEOTHER/VT4 computer code is an improved version of the GEOTHER computer code. The GEOTHER/VT4 code was applied to a two-dimensional simulation of a waste package in a high-level waste repository to predict the thermal-hydraulic environment where steam formation may occur. The thermal-hydraulic environment is important for assessing waste package container corrosion and packing material swe...
Efficient and cost-effective removal of radioactive pertechnetate anions from nuclear waste is a key challenge to mitigate long-term nuclear waste storage issues. Traditional materials such as resins and layered double hydroxides (LDHs) were evaluated for their pertechnetate or perrhenate (the non-radioactive surrogate) removal capacity, but there is room for improvement in terms of capacity, s...
the disposal of nuclear wastes is one of the most controversial issues faced by authorities in japan. in this regard, a survey was conducted among 172 university students to analyze the attitude towards the sitting of a nuclear waste repository in the country. the study focused on a number of variables that influenced the perception of risks before the 2011 tohoku earthquake and tsunami. result...
the treatment of thyroid cancer using an unsealed source of radioactive materials is usually associated with a large amount of 131i. a major problem for hospital admission of these patients is the waste disposal which requires protection of the public. 152 patients with thyroid cancer admitted to the nuclear medicine department of said ai- shohada hospital for ui i treatment were studied. 1311 ...
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