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1·The total chemical yield and radiochemical yield were all 53%.

合成的化学收率和放化收率均为53%。

2·Engaged in nuclear testing in 1966, the radiochemical diagnostic technical work.

1966年起从事核试验的放射化学诊断技术工作。

3·W samples were separated from reaction productions by using a radiochemical procedure.

通过放射化学分离流程，从反应产物中分出W。

4·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。

5·Direct counting guarantees the quantitive accuracy you need for important experiments and radiochemical purity measurements.

直接计数保证了重要的实验和放射化学纯度测量需要的定量精度。

6·An introduction to environmental level of transuranium elements and a review of the recent advance in radiochemical analyses of them are made.

本文介绍了超铀元素的环境水平，对它们的放射化学分析的进展进行了述评。

7·The radiochemical purity of FET and FPT injection was above 95%, and all quality parameters met the quality requirements of radiopharmaceuticals.

FET和FPT注射液放化纯度大于95%，各质量控制指标符合放射性药物质量要求。

8·It reduces manipulations of large amounts of radioactivity. The product was isolated by preparation HPLC. Its radiochemical purity is higher than 98%.

该法简便、不需要中间产物的分离纯化、操作放射性步骤少、制备周期短，产品用高压液相制备色谱分离纯化，效率高、纯度在98%以上。

9·The predicted values were close to the experimental values. The optimized formulation showed higher radiochemical purity compared with the marketed kit.

验证结果表明，理论预测值与实测值接近，优化处方后的产品明显优于现行产品。

10·The content includes chemical states of fission products, fission chemistry of 235U and 238U, radiochemical separation of fission products and measurement of nuclear data of long-lived nuclides et al.

本文论述了我国核化学基础研究的现状，重点介绍了裂变产物化学形态研究、裂变化学研究、裂变产物放化分离方法研究、长寿命核素核数据测量研究等领域的进展和展望。

放射化学的

1·Direct counting guarantees the quantitive accuracy you need for important experiments and radiochemical purity measurements.

直接计数保证了重要的实验和放射化学纯度测量需要的定量精度。