This report presents the evaluation of the potential safety concerns for pressurized water reactors (PWRs) identified in Generic Safety Issue 106, Piping and the Use of Highly Combustible Gases in Vital Areas. A Westinghouse four-loop PWR plant was analyzed for the risk due to the use of combustible gases (predominantly hydrogen) within the plant. The analysis evaluated an actual hydrogen distribution configuration and conducted several sensitivity studies to determine the potential variability among PWRs. The sensitivity studies were based on hydrogen and safety-related equipment configurations observed at other PWRs within the United States. Several options for improving the hydrogen distribution system design were identified and evaluated for their effect on risk and core damage frequency. A cost/benefit analysis was performed to determine whether alternatives considered were justifiable based on the safety improvement and economics of each possible improvement. FIN No. D6198 Generic Safety Issue I06, Piping and the Use of Highly Combustible Gases in Vital Areas
In this article, the author intends to conduct a comparative analysis of the results of the experiment in initial and final games for signs of efficiency of U17 junior footballers playing in defense. Inresearchstartedfromthepremisethatthedevelopmentofspecificresistance by the game method will lead to optimize the competitive players. The experiment was conducted in two U17 junior team. The results of the study conducted experimental group were better than those of the control group, the improved efficiency defense. Analysis of recorded data confirms research program used thus verified.
Over a dozen government and professional organizations in the United States and Europe have issued regulations and guidance concerning quality management in the practice of remote afterloading brachytherapy. Information from the publications of these organizations was collected and collated for this report. This report provides the brachytherapy licensee access to a broad field of quality management information in a single, topically organized document.
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