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- Neutron activation analysis for uranium in soild may delineate structures. 用中子活化分析測定土壤中的鈾以圈定構造。
- These are far outweighed by the benefits of the neutron activation method. 中子活化分析的好處是遠遠超過(guò)它們的。
- Neutron activation or chemical analysis for uranium are used as a follow-up. 中子活化分析和化學(xué)分析鈾可作為進(jìn)一步追索的方法。
- Neutron activation analysis for uranium in soil may delineate structures. 用中子活化分析測定土壤中的鈾以圈定構造。
- Neutron activation or chemical analysis for uranium are used as a follow-up . 中子活化分析和化學(xué)分析鈾可作為進(jìn)一步追索的方法。
- The results lay the foundation for the study of on-line neutron activation analysis system. 計算結果表明,中子活化在線(xiàn)分析系統的最優(yōu)化慢化材料為聚乙烯。
- Also epithermal neutron activation analysis and cyclic activation analysis had be developed on Shenzhen MNSR. 建立超熱活化分析和循環(huán)活化分析方法,制備了醫用放射性玻璃微球。
- The elemental contents of Zn， Se， Mg， Mn， Na， K and Cl in rabbit brain tissues were determined by instrumental neutron activation analysis (INAA). 結果表明，某些元素的含量在腦缺血后有顯著(zhù)變化,并隨時(shí)間而變。
- The elemental contents of Zn, Se, Mg, Mn, Na, K and Cl in rabbit brain tissues were determined by instrumental neutron activation analysis (INAA). 結果表明,某些元素的含量在腦缺血后有顯著(zhù)變化,并隨時(shí)間而變。
- More than 20 types of metallic elements were discovered in XC gas field, Sichuan Basin, when it was studied by neutron activation analysis (NAA). 利用中子活化法對四川盆地XC氣田的天然氣進(jìn)行分析,發(fā)現其中含有20多種金屬元素。
- The geochemical features of different types of Dushan jade are differentiated based on trace element and REE geochemistry using neutron activation analysis (NAA). 應用中子活化分析法對河南南陽(yáng)獨山玉的稀土微量元素進(jìn)行了研究,結果表明:白獨玉、綠獨玉與黑獨玉的地球化學(xué)特征有明顯的差別。
- The combinatory neutron activation analysis (CNAA)-a combination of destructive and non-destructive neutron activation analysis (NNAA)-of rare earth elements is given. 本文應用組合中子活化分析法(CNAA)測定了含量在0.;1ppm 左右且含鈾量為幾 ppm 的稀土屬各元素。
- 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方法分析了國產(chǎn)煤飛灰標準參考物GBCW－F1的均勻性。
- 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,研究了蘋(píng)果中有機鹵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. 通過(guò)對巖心樣品的中子活化分析，X射線(xiàn)衍射法測量和定碳儀測量，確定出巖心中泥質(zhì)砂巖骨架的碳氧比值，從而找到泥質(zhì)對碳氧比值的影響因素。
- 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. 通過(guò)向地層發(fā)射快中子并測量中子反應產(chǎn)生的伽瑪射線(xiàn)能譜能夠確定套管外面地層的含油飽和度。
- 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). 為了得到最佳有利因子,推薦在不同孔道(甚至不同的堆)上分別進(jìn)行全堆譜中子活化(TNA)和超熱中子活化(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). 以網(wǎng)狀玻璃體碳(RVC)為吸附劑,用中子活化分析法研究了在靜態(tài)條件下,吸附溫度和吸附時(shí)間對銫在RVC和液態(tài)鈉中分配的影響。
- 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. 污染物分析監測方法則具體闡述了用中子活化分析方法研究土壤中的微量元素含量、如何監測土壤特性的方法。
