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4 produkter
4 produkter
Microbial Degradation Processes in Radioactive Waste Repository and in Nuclear Fuel Storage Areas
Inbunden, Engelska, 1997
1 578 kr
Skickas inom 10-15 vardagar
While the long-term storage of high-level wastes is just starting in some countries, low and medium-level wastes have been stored for several decades. Further, interim storage of spent fuel has been extended at many locations far beyond the intended time span. One of the priorities of this book is a discussion of the deleterious effects observed under these storage conditions, or under simulated storage condition tests. One chronic problem is the possibility that microbially-influenced corrosion could be occurring in the wet storage of spent fuel, thereby initiating or accelerating corrosion. Another problem is the presence of biofilms which may be breaking down the structure of waste forms, thereby jeopardizing their integrity. The book is organized around four topics: policy matters, fundamental technical issues, microbial processes in the interim storage of spent nuclear fuel, and repository storage of spent fuel. Some of the data presented indicates that previous engineering conditions are changing or deteriorating at a different rate (faster or slower) than predicted.Fundamental issues include microbial biofilm development on matrices, microbial influenced corrosion, and bioaccumulation of radionuclides.
979 kr
Skickas inom 10-15 vardagar
The development, production, stockpiling and use in war of biological and toxin weapons (BTW) are prohibited by international law. However, conversion of BTW facilities has not been dealt with in the existing, open literature on conversion. This is partly due to the fact that BTW programmes to a large degree involve dual-use activities and it is thus difficult to differentiate them form defensive and civilian activities involving pathogenic biological agent and toxins. It is thus also difficult to assess whether or not a BTW facility has actually been converted. This text discuss general aspects of conversion and describe the conversion of former facilities in Germany, the UK, USA, Russia, and Kazakhstan.
979 kr
Skickas inom 10-15 vardagar
The development, production, stockpiling and use in war of biological and toxin weapons (BTW) are prohibited by international law. However, conversion of BTW facilities has not been dealt with in the existing, open literature on conversion. This is partly due to the fact that BTW programmes to a large degree involve dual-use activities and it is thus difficult to differentiate them form defensive and civilian activities involving pathogenic biological agent and toxins. It is thus also difficult to assess whether or not a BTW facility has actually been converted. This text discuss general aspects of conversion and describe the conversion of former facilities in Germany, the UK, USA, Russia, and Kazakhstan.
Microbial Degradation Processes in Radioactive Waste Repository and in Nuclear Fuel Storage Areas
Häftad, Engelska, 2012
1 578 kr
Skickas inom 10-15 vardagar
Purpose ofthe Workshop In the spirit of enhancing developments in science and technology by facilitating international scientific cooperation, the Science Committee of NATO is sponsoring AR W's in several selected priority areas. The objective of this workshop was to discuss what microbial mediated problems have been experienced in the area of nuclear waste management and spent fuel storage. Long term storage of high-level wastes in repositories is just starting in some countries. However, low and medium level wastes have been stored for several decades. In the area of spent fuel interim, storage has been extended at many locations far beyond the intended time. It was a priority of the workshop to examine and discuss what deleterious effects have been observed under these storage conditions or under conditions used in simulated trial tests for predicting material performance under the storage conditions. For example, one chronic problem that was discussed was possibility that microbial influenced corrosion (MIC) could be taking place in the wet storage of spent fuel thereby initiating or accelerating the process of corrosion. Another discussion in the area of waste forms, focused on the presence ofbiofilms which may be breaking down the structure of the waste form and thereby jeopardizing its integrity. The meeting focused on discussing the observations and data collected relating to problems encountered in the storage of these types of wastes, and sharing this information with others that have not monitored their facilities for similar problems.