Zobrazeno 1 - 10
of 74
pro vyhledávání: '"H. Aghayan"'
Autor:
H. Aghayan, H. Yousefnia, A. Maleki Farsan, A. M. Taherian, Kh. Khoushnodi, T. Yousefi, H. Najafian, Z. Shiri-Yekta
Publikováno v:
Journal of Nuclear Research and Applications, Vol 4, Iss 1, Pp 54-62 (2024)
One of the key influencing parameters in the safe management of nuclear waste repositories is the distribution coefficient ( ) of radionuclides on bedrock. In this study, of uranium and thorium ions in intact bedrock were determined using batch exper
Externí odkaz:
https://doaj.org/article/1306f12ed8ad40d6b054afa0afb04099
Publikováno v:
مجله علوم و فنون هستهای, Vol 44, Iss 3, Pp 150-158 (2023)
This research investigates the transfer factor in the soil to plant (as one of the important parameters in safety analysis calculations and determining the amount of radiation of people) of strontium ion (a conventional radionuclide in pollution caus
Externí odkaz:
https://doaj.org/article/3d75ae02a0df4019a8808467d07eae2c
Publikováno v:
Journal of Nuclear Research and Applications, Vol 3, Iss 2, Pp 32-48 (2023)
In this study, different variables that influence cesium adsorption from aqueous solutions were investigated by a synthesized nanocomposite. The synthesized spherical mesoporous silica surfaces were modified with potassium hexacyanoferrate and charac
Externí odkaz:
https://doaj.org/article/229e276622db48f19720e8ad41697402
Publikováno v:
مجله علوم و فنون هستهای, Vol 44, Iss 2, Pp 95-105 (2023)
In the current work, the graphene oxide was synthesized through Hummer’s method and modified with nickel hexacyanoferrate nanoparticles. The product was characterized by a Scanning Electron Microscope (SEM) and Fourier Transform Infrared spectrosco
Externí odkaz:
https://doaj.org/article/62b5993e444548cd87196fa6d8350caf
Publikováno v:
مجله علوم و فنون هستهای, Vol 43, Iss 4, Pp 149-155 (2022)
This study investigates the distribution coefficient of strontium in a soil sample in the south of Tehran. In this research, the columnar method was used to determine the distribution coefficient of strontium. Also, the effect of three factors, pH, s
Externí odkaz:
https://doaj.org/article/5d2d7012649e40beaff0dfe6ae5227ba
Autor:
A. M. Taherian, A. Maleki, S. Zolghadri, H. Yousefnia, Z. Shiri - Yekta, S. Sarfi, H. Aghayan, S. Momenzadeh
Publikováno v:
Journal of Nuclear Research and Applications, Vol 2, Iss 3, Pp 34-41 (2022)
In this study, the distribution coefficient of Nickel on the Anarak nuclear repository was studied considering the effects of contaminant concentration, soil particle size, and soil/solution ratio. For this purpose, two experiments were designed. The
Externí odkaz:
https://doaj.org/article/3488ae12c2bb4d77abf0e7493213d4af
Publikováno v:
مجله علوم و فنون هستهای, Vol 43, Iss 3, Pp 19-29 (2022)
In this work, the surfaces of spherical mesoporous silica were modified with potassium copper hexacyanoferrate ([KCu(Fe(CN)6)]), then employed as a new ion exchanger nanocomposite to adsorb cesium ion from an aqueous solution. The materials have been
Externí odkaz:
https://doaj.org/article/cde587892e0040f39733c3666cfb36c8
Autor:
A.M. Taherian, A. Maleki, S. Zolghadri, H. Yousefnia, Z. Shiri-Yekta, S. Sarfi, H. Aghayan, S. Momenzadeh
Publikováno v:
مجله علوم و فنون هستهای, Vol 43, Iss 1, Pp 106-115 (2022)
Calculation of distribution coefficients is one of the essential provisions in the safety assessment of radioactive waste repository and safe management of radioactive waste. Due to the importance and characteristics of thorium radionuclide in radioa
Externí odkaz:
https://doaj.org/article/25476e243558430b8a6998e41f5d5cad
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 310:177-190
In this study, a novel inorganic composite ion exchanger based on titanium tungstophosphate (TWP) and mesoporous silica SBA-15 has been synthesized. The synthesized product was characterized by methods and instrumental techniques. The results obtaine
In this work, a new composite adsorbent based on a mesoporous silica SBA-15 with platelet morphology and tin salt of tungstomolybdophosphoric (TWMP) acid was synthesized and applied for uranium adsorption from aqueous solution. The sample was charact
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::34df69c493baaa7edfe399f950c257b7