| 1. | 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。 |
| 2. | Rare earth elements ; chloroplasts ; neutron activation analysis
稀土元素叶绿体中子活化分析 |
| 3. | Determination of rare earth elements in chloroplasts by neutron activation analysis
中子活化法研究叶绿体中的稀土元素 |
| 4. | Neutron activation analysis
中子活化分析 |
| 5. | Determination of trace elements in rape chloroplasts by neutron activation analysis
中子活化分析测定油菜叶绿体中的微量元素 |
| 6. | Determination of trace elements in carbonate rocks by mnsr neutron activation analysis
微堆中子活化分析测定碳酸盐岩中痕量元素 |
| 7. | The enriched stable isotope tracer technique combined with neutron activation analysis and differential centrifugation was utilized to investigate the subcellular distribution of rare earth elements sm and yb in rat liver
Sm和, sup 168 yb作为示踪剂，结合差速离心分离和中子活化分析技术naa初步研究了稀土元素sm和yb在大鼠肝脏亚细胞组分中的分布。 |
| 8. | This paper deals mainly with the extraction of geological and hydrogeological information from deep strata through the comparative analysis of major elements , minor elements and trace elements in rocks and in relics of dried fountains by means of neutron activation analysis ( naa )
摘要利用中子活化测试结果，对岩石及泉水乾涸残馀物中常量及微量元素的进行分析对比，以?解深层岩体有关的地质与水文地质信息。 |
| 9. | The contents of 8 rare earth elements in chloroplasts of brassia napus were determined by instrumental neutron activation analysis . the results indicated that there were trace amounts of rees in the chloroplasts , which corresponded to 1 atom of rees per 2000 chlorophyll molecules . this content was lower than the microelements already known essential for the process of photosynthesis such as fe , mn and cu
用中子活化分析测定了油菜叶绿体中的稀土元素含量。结果表明叶绿体中含有微量稀土，其含量相当于每个稀土原子对应约2000个叶绿素分子，低于fe , mn , cu等必需元素。 |
