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radiochemical centrl 放射化学中心
Some new work on the Cherenkov counting technique and rapid radiochemical analysis has been published. 契连可夫计数技术以及快速放化分析方面也有新的工作发表。
The practical technique was provided for the radiochemical synthesis and entiomeric purity of 6 [ 18 F ]fluoro L DOPA. 为 6 [1 8F] L 多巴的放射化学合成及其对映纯度的测定提供了可靠的技术
The specific activities of these productsare 10ci/mmole and their radiochemical purity,more than 98%. 经鉴定紫外吸收光谱性质与标准样品一致,比放射性达10居里/毫克分子,放化纯度在98%25以上。
NGA was labeled directly with Na99mTcO4. The radiochemical purity of 99mTc-NGA was over 90%. 用直接法制备99mTc－NGA，其放化纯大于90%25，且室温下可稳定6h以上，符合显像要求。
Progress in radiochemical analyses in 40 years since CIRP's founding is described in this paper. 介绍了中国辐射防护研究院建院40年来放射化学分析工作的进展。
At present the enzyme reagents method and radiochemical enzymatic assay were commonly used to detect carnitine. 本研究经详细的方法学研究，建立了精浆中游离肉毒碱的柱前紫外衍生高效液相色谱测定方法。
A simple and efficient radiochemical separation procedure of rubidium is set up. 采用萃取色谱柱实现了铷、铯的完全分离。
Unextraction efficiency of Cm is(94.90%),radiochemical purity of Cm is 99.90%. The separation factor is 20 for Am in Cm and 1 186 for Cm in Am. 锔的萃余率为94.;90%25;放化纯度达到99
Results: 99mTc-GSH could be prepared by adding 99m TcO to the kit for 30min at room temperature and showd high radiochemical purity of 99% . 结果：室温下该药盒与99mTcO4混合30分钟后，得标记率大于99%25的99mTc-GSH，标记方法简便；
A descriptionis given in some detail of the sample preparation,the irradiation and measurement conditions,and the radiochemical separation procedures. 其中除介绍了样品的制备方法、照射和测量条件之外，还对地质样品中铂族元素放射化学分离方法进行了详细的讨论和评述。
Under the optimum conditions, the composite nano-particles of (110Agm) Ag/TiO2 were synthesized with radiochemical yield of 93.6% and specific volume radioactivity of 0.6MBq/mL. 实验结果表明在最佳反应条件下;用聚酰胺薄膜层析法测得约有93.;6%25的110Agm沉积在TiO2纳米微粒表面;放射性浓度为0
The labeling yield of BDI 1 was 30%, the radiochemical purity of the labeled antibody 188 Re BDI 1 was 90%, and the inmmunoreactive fraction was 58.68%. 188Re BDI 1的标记率为30%25 ;放射化学纯度为 90%25 ;免疫活性分数为 5 8.;6 8%25。
The researches on photochemical degradation, photo-catalytic degradation, chemical redox methods, radiochemical methods and so on were mainly discussed. 着重介绍了光降解及光催化技术、化学氧化法、氢解还原和辐射降解等技术在该领域的有关研究。
The improvements in existing radiochemical and physical techniques have resulted in a great number of new results of independent yields in the last decade. 独立产额测量技术的进步加快了实验数据积累,得到了较为丰富的信息。
The chemical purity of 14 C-labeled chlorsulfuron was determined by HPLC, its radiochemical purity was measured by HPLC-LSC (Liquid scintillation counter) and TLC-Isotope imaging analysis, respectively. 本文采用反相高效液相色谱法 (HPLC)测定了14 C -绿磺隆的化学纯度 ,并分别用高效液相色谱与液体闪烁测量仪联用法 (HPLC -LSC)以及薄层层析 -同位素成像分析法 (TLC -Isotopeimaginganalysis ,TLC -IIA)测定了14 C -绿磺隆的放射化学纯度。
The recent status of water pollution caused by these pollutants was briefly introduced, The researches on photochemical degradation, photo-catalytic degradation, chemical redox methods, radiochemical methods and so on were mainly discussed. 著重介绍了光降解及光催化技术、化学氧化法、氢解还原和辐射降解等技术在该领域的有关研究。
According to the calculation(9 stages for extraction and 4 stages for scrubbing),the calculation values are follows: extraction efficiency of Am is 99.92%,radiochemical purity of Am is 95.99%. 根据串级计算给出了HBTMPDTP萃取分离压水堆废液中镅和锔的推荐流程;采用9级萃取、4级洗涤的萃取分离流程;镅的萃取率为99.;92%25;放化纯度达到99
Activation analysis and non-radiometric method have been used to measure long-lived fission product nuclides.Their sensitivity is superior to that of traditional radiochemical analysis. 活化分析以及非放射的仪器分析方法被用来测量长寿命裂变产物核素,其分析灵敏度优于传统的放化分析法。
It took 20 min for synthesizing 18F-FDDNP at CPCU, the radiochemical yield was 35.7% (end of synthesis), the radiochemistry purity was over 95%. 18F-FDDNP放化产率为35.;7%25(不校正);合成时间为20min;无需HPLC分离;放化纯>95%25。