نتایج جستجو برای: radioactive
تعداد نتایج: 20999 فیلتر نتایج به سال:
This paper summarizes the first phase of a study in progress by a committee of the National Research Council's Board on Radioactive Waste Management. The Board initiated the study after observing that statutes and regulations administered by the federal and state agencies that control low-activity radioactive wastes have developed as a patchwork over almost 60 y. These controls usually reflect ...
Since the superconducting heavy ion linac ATLAS is an ideal post-accelerator for radioactive beams, plans are being developed for expansion of the facility with the addition of a driver accelerator, a production targethon source combination, and a low q/m pre-accelerator for-radioactive ions. A working group including staff from the ANL Physics Division and current ATLAS users are preparing a r...
Introduction ______________________________ Disposal of radioactive wastes in streams. Radioactivity budget in streams. ________ Characteristics of radioactive wastes which are discharged into streams______________________________ Sources of wastes.__--__--_--_-_-_______________ Nature of wastes.--__-------___-_______________ Properties and types of radionuclides________ Chemical and physical c...
A very simple and dirrct radioactive isotope m&hod has been tlwcl~ibed for the quantitative determination of reducing sugars. The method can be adapted to give any degrtte of sensitivity desired. The procedure is of general applicability to the determination of a large class of sugars. The stoichiometry of the reaction makes it a comprehensive procedure which greatly facilitates the analysis of...
The solid waste residues from olive oil mills constitute an environmental threat if disposed of in the natural environment, as it is common practice in many areas. This review summarizes the efforts of the scientific and technical community to develop appropriate technologies for the valorization of these wastes. The majority of the research towards this purpose focuses on the recovery of high-...
A probabilistic risk analysis (PRA) for a high-level radioactive waste repository is very important since it gives an estimate of its health impacts, allowing comparisons to be made with the health impacts of competing technologies. However, it is extremely difficult to develop a credible PRA for a specific repository site because of large uncertainties in future climate, hydrology, geological ...
The physical protection of nuclear material and nuclear facilities is a highly mature field, dating virtually from the inception of the nuclear age, with longstanding international requirements and guidance. While the international community, including both the IAEA and Member States, has achieved much progress within the decade since approval of the Code of Conduct, the security of radioactive...
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