Improvement of the determination of hydrogen content in a multicomponent sample by D-T generator

查看全文 作　　者：[1,2,3]程道文;[2]谷德山;[1,2]刘林茂;[2]贾福全;[2]李向龙

机构地区：[1]College of Urban and Environmental Sciences of Northeast Normal University;[2]Radiation Technology Institute of Northeast Normal University;[3]School of Basic Sciences,Changchun University of Technology

出　　处：《Chinese Physics C》索引2010年第34卷第5期,共4页

基　　金：Supported by Innovation Fund for Small Technology-based Firms (99C26212210085) 摘　　要：If a D-T generator is used as a neutron source to simultaneously measure the content of carbon,hydrogen and oxygen in a multicomponent sample by NIPGA(Neutron Induced Prompt Gamma-ray Analysis),the 14 MeV neutron flux can be regarded as a constant value.The relationship between the production of the hydrogen characteristic gamma-rays and its content is nonlinear.In this paper,we use MCNP(Monte Carlo N-Particle Transport code) to simulate the relationship and analyze it.In practical measurement of the characteristic gamma-ray,it's impossible to get the net count.Therefore,we use the experiment to obtain the relationship between the hydrogen content and the total count of its characteristic gamma-rays.If we use the relationship combined with the simulation result to calculate the hydrogen content,the metrical precision can be much increased.The deviation of hydrogen content between NIPGA and chemical analysis is less than 0.25%,which meets the requirement of coal industry. 关键词：氢含量多组分测定方法 DT 样品发电机伽玛射线 MCNP程序

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Improvement of the determination of hydrogen content in a multicomponent sample by D-T generator

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