Results 31 to 40 of about 1,455,531 (350)

Modern Sorption Materials for Cesium and Strontium Radionuclide Extraction from Liquid Radioactive Waste

Radioactive waste, 2020
The paper describes the main types of sorption materials used to remove cesium and strontium radionuclides from low-level and intermediate-level liquid radioactive waste (LRW).
V. Milyutin, N. A. Nekrasova, V. O. Kaptakov   +2 more
semanticscholar   +1 more source

Experimental approach for understanding the dynamic behaviors of bentonite buffer piping erosion

Mechanical Engineering Journal, 2020
In Japan, as in other countries, bentonite-based buffer materials are expected to play roles in reducing stress from rock masses and mitigating nuclide migration in the geological disposal of high-level radioactive waste.
Tomoko ISHII, Masahiro KAWAKUBO, Ichizo KOBAYASHI, Yuichi NIIBORI   +3 more
doaj   +1 more source

Benefit and Cost Ratio Analysis of Direct Disposal and Pyro-SFR Fuel Cycle Alternatives Using the Results of Multi-Criteria Decision-Making in Korea

Energies, 2021
This paper presents the results of various benefit–cost ratio (BCR) analyses of back-end nuclear fuel cycle alternatives. Korea is currently considering two alternatives for the disposal of spent nuclear fuel: direct disposal and pyroprocessing.
Sungki Kim, Jin-Seop Kim, Dong-Keun Cho
doaj   +1 more source

BUFFER PROPERTIES OF BENTONITE BARRIER SYSTEMS FOR RADIOACTIVE WASTE ISOLATION IN GEOLOGICAL REPOSITORY IN THE NIZHNEKANSKIY MASSIF

Radioactive waste, 2020
The paper discusses the main properties of bentonite clays being considered as a component of safety barriers for radioactive waste isolation in geological repositories. It focuses on experimental and analytical studies providing basic information needed
V. Krupskaya, S. Zakusin, V. Lekhov, O. Dorzhieva, P. Belousov, E. Tyupina   +5 more
semanticscholar   +1 more source

Theoretical and Numerical Study on Electrical Resistivity Measurement of Cylindrical Rock Core Samples Using Perimeter Electrodes

Energies, 2021
The estimation of hydraulic and mechanical properties of bedrock is important for the evaluation of energy-related structures, including high-level nuclear waste repositories, hydraulic fracturing wells, and gas-hydrate production wells.
Ji-Won Kim, Chang-Ho Hong, Jin-Seop Kim, Song-Hun Chong   +3 more
doaj   +1 more source

Observation of periodic fluctuations in the dose rate of gamma-radiation in the Chornobyl exclusion zone [PDF]

Ядерна фізика та енергетика, 2023
The structure of signals from detectors for monitoring the gamma-background around the Chornobyl NPP was considered. It is shown that they are not random, they contain certain regular components.
A. D. Skorbun, B. M. Sploshnoi, O. Yu. Zelenskyi   +2 more
doaj   +1 more source

Planning and decommissioning of a disused Theratron- 780 teletherapy machine and the dose assessment methodology for normal and radiological emergency conditions

Nuclear Engineering and Technology, 2023
The present work represents a technical guideline for decommissioning a disused teletherapy machine model Theratron-780 and contains category one 60Co radioactive source.
Mohamed M.Elsayed Breky, Muhammad S. Mansy, A.A. El-Sadek, Yousif M. Mousa, Yasser T. Mohamed   +4 more
doaj  

Challenges of implementing the policy and strategy for management of radioactive waste and nuclear spent fuel in Indonesia

Nuclear Engineering and Technology, 2021
Indonesia has policies and strategies for the management of radioactive waste and spent nuclear fuel that arises from the use of nuclear research and development facilities, including three research reactors, and the use of radioisotopes in medicine and ...
D.S. Wisnubroto, H. Zamroni, R. Sumarbagiono, G. Nurliati   +3 more
doaj  

Biodegradation of the Alkaline Cellulose Degradation Products Generated during Radioactive Waste Disposal. [PDF]

, 2014
The anoxic, alkaline hydrolysis of cellulosic materials generates a range of cellulose degradation products (CDP) including α and β forms of isosaccharinic acid (ISA) and is expected to occur in radioactive waste disposal sites receiving intermediate ...
Ahmed Elmekawy, Andrew P. Laws, CJ Knill, D Lovley, DR Lovley, DR Lovley, DR Lovley, Francis Sweeney, JE McDonald, Jessica Radford, K Daly, Lisa J. Gillie, MJ Bailey, MM Askarieh, P Warwick, Paul Jaak Janssen, Paul N. Humphreys, PB Shaw, S Allard, S Wang, SE Strand, Simon P. Rout, SK Chaudhuri   +22 more
core   +3 more sources

Ensemble Learning Approach for the Prediction of Quantitative Rock Damage Using Various Acoustic Emission Parameters

Applied Sciences, 2021
Monitoring rock damage subjected to cracks is an important stage in underground spaces such as radioactive waste disposal repository, civil tunnel, and mining industries.
Hang-Lo Lee, Jin-Seop Kim, Chang-Ho Hong, Dong-Keun Cho   +3 more
doaj   +1 more source