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On percutaneous injection of toxic substances into the human organism from the workplace atmosphere
Engineering Education # 01, January 2014
DOI: 10.7463/0114.0671133
This article describes theoretical research methods of percutaneous injection of uranium hexafluoride and its hydrolysis products into the human organism. Integral and differential models were considered. Capabilities of each model were described. Results on the settling of uranium and fluorine onto the skin surface, on the deposition of those substances in the organism in emergency situation and under regular industry conditions were obtained using both specified models and presented in this paper. The distribution of uranium over separate organs was also presented. It was shown that under certain operating conditions at the place of production, accumulation of uranium in the kidneys exceeds critical value that leads to their disease. The importance of obtained results for solving the matters of protection of employees from occupational diseases and medical assistance to those in emergency situation was demonstrated.
Quantitative estimation of fluorine’s toxic effects on human health when dealing with uranium hexafluoride
Engineering Education # 11, November 2013
DOI: 10.7463/1113.0656704
In this paper the authors consider how the impact of work chamber atmosphere at a nuclear industry enterprise where uranium hexafluoride is used affects the human body. History of studies in this field was briefly described, and the place of current investigations in these studies was indicated. This work deals with a model for calculating deposition of fluorine in the human body. In this paper quantitative relationship between concentration of uranium hexafluoride molecules in the air of a factory shop and the mass of fluorine deposited in the human body was obtained on the basis of mathematical simulation methods. A technique for determining the specified relationship was presented. Calculations were performed within the framework of a model which describes pollution of a work chamber atmosphere and penetration of toxic substances into the human body. This paper presents results for two injection methods — percutaneous (through the skin) and inhalation (through the respiratory system), and for two modes of air pollution — emergency release and technological outputs under conditions of daily industrial activity. The calculated injections were compared with experimental data; such injections lead to irreversible changes in the human body. Conclusions on possible medical care for victims were drawn.
Ensuring safety in factory shops under conditions of technological emissions of uranium hexafluoride
Engineering Education # 12, December 2013
DOI: 10.7463/1213.0625484
This paper presents a review of literature and original methods for solving tasks of ensuring safety in factory shops at factories of nuclear industry that use uranium hexafluoride. The authors consider theoretical models of air pollution in factory shops with gaseous uranium hexafluoride and its hydrolysis products, settling of these products on factory surfaces, inhalation and percutaneous penetration of these products into human body. Capabilities of these models and some results of the calculations were described. This article was intended for publication in the journal "Science and Education: Electronic Scientific and Technical Periodical”.
77-30569/306859 Creating and verification of pollution model of workshop in case of emergency emission of gaseous uranium hexafluoride
Engineering Education # 02, February 2012
Pollution model of workshop in case of emergency emission of gaseous uranium hexafluoride was described. The results of calculation of parameters, which characterize the distribution of uranium hexafluoride hydrolysate in the volume of workshop, were presented in the article. The method of experimental determination of these parameters and the results of their measurement were described. The experimental results are in good correlation with calculated ones, that’s why developed model is suitable for the calculation of the dose that safe for the human in the workshop
 
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