Also epithermal neutron activation analysis and cyclic activation analysis had be developed on Shenzhen MNSR. 建立超热活化分析和循环活化分析方法,制备了医用放射性玻璃微球。
Instrumental epithermal neutron activation analysis of trace elements in rocks 仪器超热中子活化分析岩石样品中的痕量元素
The epithermal neutron activation analysis ( ENAA) using BN and BN+ Cd as thermal neutron shielding materials was used to determine the contents of iodine in 20 Chinese biological standard reference materials ( SRMs). 用氮化硼(BN)和镉+氮化硼(Cd+BN)作屏蔽材料的超热中子活化法对我国20种生物标准参考物质中的碘含量进行了分析。
Epithermal neutron activation analysis of trace uranium using short half life nuclide 239 U 微量铀的快速超热中子活化法测定
Measurement of Epithermal Neutron Flux Spectrum in Irradiation Tube of Miniature Neutron Source Reactor 微型反应堆照射座内超热中子通量谱的测定
The Monte Carlo calculating software packet was developed for wall epithermal neutron time spectrometry logging on the basis of MCNP. The wall epithermal neutron time spectra of simulated open holes were calculated, which vary with the porosity of formation. 在MCNP的基础上,开发了井壁超热中子时间谱测井蒙特卡罗(MonteCarlo)模拟软件包。
Determination of uranium and thorium contents in geological and environmental samples by epithermal neutron activation analysis 用超热中子活化分析法测量地质、环境样品中铀、钍的含量
A pre-irradiation chemical seperation neutron activation analysis and instrumental epithermal neutron activation analysis are used for determination of trace elements in DZ Σ-1 and DZ Σ-2 std. 本文介绍用化学前处理中子活化和超热中子活化分析方法,测定了两个超铁镁岩石标样dz∑-1和dz∑-2的微量元素。
Determination of Rare Earths and Other Trace Elements in Mafic and Ultramafic Rocks by thermal and Epithermal Neutron Activation Analysis 基性、超基性岩样中稀土元素和其它微量元素的热中子、超热中子活化分析
Three different nuclear logging combinations can be formed according to thermal neutron logging, epithermal neutron logging and density logging. 根据热中子测井、超热中子测井和密度测井,可以形成三种不同的核测井组合。
Design of an Epithermal Neutron Beam for Xi'an Pulsed Reactor 西安脉冲堆超热中子束的理论设计
Epithermal Neutron Activation Analysis of Iodine and Bromine 超热中子活化法测定碘和溴
Theoretical Design of an Epithermal Neutron Radiation Field 超热中子辐射场的理论设计
Study of the surrounding soil pollution from coal-fired power plant by epithermal neutron activation analysis 超热中子活化分析用于燃煤电厂对环境土壤污染的研究
Further study on epithermal neutron activation analysis 超热中子活化分析的进一步研究
To increase the detectable level of trace, samples were irradiated by epithermal irradiation tube of miniature neutron source reactor to decrease effect of basis, then the trace arsenic was detected in food. 为提高食品中微量砷的检测能力,利用在微型核反应堆安装的超热辐射孔道对样品进行照射降低样品的本底值后测定食品中的微量砷。
Study on iodine levels in thyroids of iodine-supplemented rats by epithermal neutron activation analysis 超热中子活化法研究补碘大鼠甲状腺碘水平
A new neutron activation method based on thermal and epithermal neutron irradiation was established to determine manganese in iron matrix materials. 采用热中子与超热中子照射相结合的中子活化法测定了铁高含量样品中锰的含量。
Study on quality parameters of epithermal neutron for boron neutron capture therapy of human gliomas 硼中子俘获治疗脑胶质瘤超热中子束的品质参数研究
Methods The samples were irradiated by epithermal irradiation tube of miniature neutron source reactor to decrease the background and the content of trace arsenic in the cosmetics was determined by neutron activation analysis. 方法利用在微型核反应堆安装的超热辐射孔道,对样品进行照射,降低了样品的本底,实现对化妆品中的微量砷的测定。
It has also been studied that the variation of porosity influence on neutron flux distributions with the energy and time, the time spectra of thermal neutron and the time spectra of epithermal neutron along the borehole axis and wall. 即孔隙度对中子通量随能量、时间分布和热中子、超热中子时间谱的影响。
Epithermal neutron activation analysis of trace gold standard samples 痕量金标样的超热中子活化分析
Through analyzing and contrasting, it is found that the effect of combining epithermal neutron with density logging is the best for indicating natural gas audio-visually and it is an effective nuclear logging combination for evaluating argillaceous sandstone gas reservoirs. 分析这三种核测井组合对比实例发现,超热中子与密度测井组合直观指示天然气的效果最好,是评价泥质砂岩气层有效的核测井组合。