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- Neutron activation analysis for uranium in soild may delineate structures. 用中子活化分析测定土壤中的铀以圈定构造。
- These are far outweighed by the benefits of the neutron activation method. 中子活化分析的好处是远远超过它们的。
- Neutron activation or chemical analysis for uranium are used as a follow-up. 中子活化分析和化学分析铀可作为进一步追索的方法。
- Neutron activation analysis for uranium in soil may delineate structures. 用中子活化分析测定土壤中的铀以圈定构造。
- Neutron activation or chemical analysis for uranium are used as a follow-up . 中子活化分析和化学分析铀可作为进一步追索的方法。
- The results lay the foundation for the study of on-line neutron activation analysis system. 计算结果表明,中子活化在线分析系统的最优化慢化材料为聚乙烯。
- 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。
- The elemental contents of Zn， Se， Mg， Mn， Na， K and Cl in rabbit brain tissues were determined by instrumental neutron activation analysis (INAA). 结果表明，某些元素的含量在脑缺血后有显著变化,并随时间而变。
- The elemental contents of Zn, Se, Mg, Mn, Na, K and Cl in rabbit brain tissues were determined by instrumental neutron activation analysis (INAA). 结果表明,某些元素的含量在脑缺血后有显著变化,并随时间而变。
- More than 20 types of metallic elements were discovered in XC gas field, Sichuan Basin, when it was studied by neutron activation analysis (NAA). 利用中子活化法对四川盆地XC气田的天然气进行分析,发现其中含有20多种金属元素。
- The geochemical features of different types of Dushan jade are differentiated based on trace element and REE geochemistry using neutron activation analysis (NAA). 应用中子活化分析法对河南南阳独山玉的稀土微量元素进行了研究,结果表明:白独玉、绿独玉与黑独玉的地球化学特征有明显的差别。
- The combinatory neutron activation analysis (CNAA)-a combination of destructive and non-destructive neutron activation analysis (NNAA)-of rare earth elements is given. 本文应用组合中子活化分析法(CNAA)测定了含量在0.;1ppm 左右且含铀量为几 ppm 的稀土属各元素。
- For homogeneity testing, samples of Chinese SRM GBCW-F1 were analyzed by means of instrumental Neutron Activation Analysis (INAA) for Th, Cr, Sc, Fe, Co and Eu contents. 本文用INAA方法分析了国产煤飞灰标准参考物GBCW－F1的均匀性。
- The distribution characteristics of organo-halogens in apple and their sources were studied by neutron activation analysis combined with statistical analysis. 采用中子活化分析方法,研究了苹果中有机卤素污染物的分布特征。
- C/O values of shaly sands matrix in core samples have been got from neutron activation analysis of cores, X ray diffraction measurement and carbon content measurement. 通过对岩心样品的中子活化分析，X射线衍射法测量和定碳仪测量，确定出岩心中泥质砂岩骨架的碳氧比值，从而找到泥质对碳氧比值的影响因素。
- Through shooting fast neutron and measuring spectral gamma-ray produced by neutron activation reaction, oil-bearing saturability of strata outside boring casing can be determined. 通过向地层发射快中子并测量中子反应产生的伽玛射线能谱能够确定套管外面地层的含油饱和度。
- In order to obtain optimum advantage factor, it is recommended that different channels (or even different reactors) be used for total reactor neutron spectrum activation (TNA) and epithermal neutron activation (ENA). 为了得到最佳有利因子,推荐在不同孔道(甚至不同的堆)上分别进行全堆谱中子活化(TNA)和超热中子活化(ENA)。
- The influence of adsorption time and temperature on the distribution ratio of cesium between RVC and liquid sodium is investigated in the static condition by using neutron activation analysis(NAA). 以网状玻璃体碳(RVC)为吸附剂,用中子活化分析法研究了在静态条件下,吸附温度和吸附时间对铯在RVC和液态钠中分配的影响。
- In part of analysis and monitoring method, how to use neutron activation analysis method to study microelement in soil and how to characterize properties of soil is described in detail. 污染物分析监测方法则具体阐述了用中子活化分析方法研究土壤中的微量元素含量、如何监测土壤特性的方法。
