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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。
- 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。
- 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。
- Hemagglutination Activity Analysis of Agglutinin from Eriocheir sp. 绒螯蟹凝集素的红细胞凝集活性分析。
- 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。
- An anion exchange preconcentration-neutron activation analysis procedure is developed to determine (iridium) in seawater. 研究了用阴离子交换预富集中子活化法测定海水中铱的分析方法。
- 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。
- A quantitative relationship has been obtained through thermal activation analysis, which can discribe fully the transition caused by loading rate or by tempera... 该关系初步描述了由于速率和温度引起的韧脆性转化过程。
- 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。
- Contribution to the fourth stage, with activity analysis and costs, to verify target costs. 本阶段是第四阶段的继续。根据成本和活动分析核实目标成本。
- The activity analysis of NtCBKs: NtCBKs were expressed in BAC-To-BAC system, and purified by Ni-NTA and CaM-sepharose. 激酶生化特性分析:利用真核细胞表达系统BAC To BAC表达系统表达两烟草钙调素结合蛋白激酶,并经Ni-NTA和CaM-sepharose两步纯化后,用于激酶活性的分析。
- Using Charged Particle Activation Analysis (CPAA), the concentration of oxygen in a thin boron target was determined, and the method of analyzing the thin unknown sample in comparison with the thick standard was studied. 应用带电粒子活化分析法(CPAA)对硼薄膜中的氧含量进行了测量,并对利用厚标样分析薄样品中的元素含量的比较测量方法进行了研究。
- Sediment core samples were collected from the continental shelf of the Chukchi Sea in July 1999 and rare earth elements (REEs) were measured by instrumental neurton activation analysis (INAA). 于 1 999年夏季我国首次北极科学考察期间在楚科奇海采集了三个沉积物岩芯 ,并采用中子活化法 (INAA)测定了沉积物样品中稀土元素的含量。