Table of Content

20 October 2015 Volume 35 Issue 5

  

CONTENTS

CONTENTS

RADIATION PROTECTION BULLETIN. 2015, 35(5):  0-0. 

Abstract ( 19 )   PDF (367KB) ( 5 )  

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Issues

Much Cogitation on Strengthening Discipline Construction of Protectionagainst Ionizing Radiation in China

Zheng Junzheng

RADIATION PROTECTION BULLETIN. 2015, 35(5):  1-14. 

Abstract ( 26 )   PDF (647KB) ( 400 )  

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As the third paper on the evolution of, and prospect for, the discipline of protection against ionizing radiation in China, it intends to provide an outlook of strengthening discipline construction,based on an explicit discipline orientation and an outline review. As a summary, eight major aspects of work in the respect are proposed and discussed.

Safety Functions and Characteristics of a Geologic Disposal System

Li Honghui, Zhao Shuaiwei, Li Peng, Jia Meilan, Liu Wei, Mao liang, Yang Zhongtian, An Hongxiang

RADIATION PROTECTION BULLETIN. 2015, 35(5):  15-20. 

Abstract ( 19 )   PDF (297KB) ( 54 )  

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The safety functions of a disposal system were studied and analyzed, with such features as containment, isolation, detention and retardation considered. On the other hand, the safety characteristicsof engineering barrier and nature barrier were studied based on barrier evolvement, flow of ground water, nuclide transport.

Articles

Liquid Effluent Reuse and Release for AP1000 Nuclear Power Units

Deng Zhiguo, Yao Peilin, Wang Huaili, Pei Qilin

RADIATION PROTECTION BULLETIN. 2015, 35(5):  21-24. 

Abstract ( 29 )   PDF (182KB) ( 40 )  

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With respect to current waste treatment technology for NPPs at home and abroad, liquid effluents can be managed by certain processes to reach the state of Near-Zero Emission for nuclides, excludingTritium and ¹⁴C, in them. As the processes do not treat Tritium effectively, its concentration is a decisive factor to determine whether or not to reuse liquid effluents. With practical experiences learned from running NPPs in China, the principle of liquid effluent's reuse and release for AP1000 nuclear power units is studied. That is, after treatment, release of liquid effluent with high Tritium content, reuse of liquid effluent with low Tritium content as much as possible, and discharge of the unbalanced parts. Calculations with realistic source terms show that, with a low concentration of Tritium in liquid effluent, the demand for discharge or reuse can be met while the activity of it after treatment does not exceed 50 Bq/L, with exception of Tritium and ¹⁴C.

Management

The Industrial Application of Nuclear technology and its Licensing Administration in Guangdong Province

Song Haiqing, Xu Xudong, Ma Xi, Deng Fei, Chen Fuliang, Cheng Xiaobo, Lin Huaiying

RADIATION PROTECTION BULLETIN. 2015, 35(5):  25-28. 

Abstract ( 26 )   PDF (181KB) ( 103 )  

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The status of industrial application and implementation of radiation safety licensing system is briefed, with respectto nuclear technology in Guangdong Province. Combined with supervision, environmental radiation monitoring, environmental impact assessment, and acceptance of environmental circumstances, the significance of licensing administration in safety protection of nuclear technology's industrial application is analyzed and discussed.

Reviews

Research Advances on Biological Effects of Heavy Ions

Wang Chao, Duan Zhikai, Liu Zhanqi

RADIATION PROTECTION BULLETIN. 2015, 35(5):  29-33. 

Abstract ( 25 )   PDF (217KB) ( 64 )  

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With unique physical features and special ways of energy deposition in matter, heavy ions show great application prospects in many fields. Research advances on biological effects of heavy ions are briefly reviewed, and relevant research works in China Institute for Radiation Protection are presented. Some suggestions for further studies are also put forward.

Experiences

The Application of Correlation Factors in Clearance of Slightly Contaminated Materials

Yang Weibing, Yang Hailan, Guo Xiliang, Li Honghui, Feng Wendong, Gao Chao, Jia Meilan, Liu Wei, An Hongxiang

RADIATION PROTECTION BULLETIN. 2015, 35(5):  34-36. 

Abstract ( 26 )   PDF (152KB) ( 6 )  

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The application of correlation factorsin clearance of slightly contaminated materials is introduced. Practices indicate that it is a quick technique with high accuracy, and can improve efficiency of radiation monitoring.

The Differential Management in Production Preparation Work of Radiation Protection for CEPR Units

Ren Xueming

RADIATION PROTECTION BULLETIN. 2015, 35(5):  37-39. 

Abstract ( 18 )   PDF (110KB) ( 20 )  

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The application of differential management in production preparation work of radiation protection for CEPR units is presented, in terms of regulations and standards, personnel preparation, controlled area management, material preparation, design document review, system, document preparation, experience feedback and first overhaul preparation.

Solid Radioactive Waste Management at Hongyanhe Nuclear Power Plant during Overhaul

Sun An

RADIATION PROTECTION BULLETIN. 2015, 35(5):  40-42. 

Abstract ( 16 )   PDF (334KB) ( 21 )  

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This paper presents the origin, composition and management of radioactive solid waste produced at Hongyanhe nuclear power plant during overhaul. The reason for a resulted larger waste production isanalyzed. Some improvement measures are then put forward.

Reports

Monitoring and Analysis of Radiation Environmental in Fujian Province in 20072011

Wang Chunmei, He Zhe, Chen Yongwei

RADIATION PROTECTION BULLETIN. 2015, 35(5):  43-46. 

Abstract ( 18 )   PDF (276KB) ( 12 )  

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Monitoring results of terrestrial gamma radiation absorbed dose rate in air and total radioactivity of drinking watersources in 9 cities, and radioactive level in soil in 7 cities, in Fujian Province are presented for the period of 20072011. While soils are found to contain radioactivity slightly higher than national average, both air and drinking water are normal.