GBQ

The activity of the large area source is 22. 2 GBq and the deposition efficency of 63Ni is over 96%. The radioactive material 63Ni is uniformly distributed on the copper matrix and the nonuniformity is less than 5%.

制备的63Ni低能β放射源活度高达22.2GBq，63Ni的沉积率＞96%，放射源的不均匀度＜5%。

The chamber has a response of 0.230 nA/ GBq with uncertainty of 1.5%. Comparing with a chamber calibrated by IAEA, the result is in agreement with each other.

该阱型电离室对192Ir的响应因子为0.230nA/GBq，其相对合成不确定度为1.5%，与IAEA校准过的阱型电离室比对，在不确定度范围内一致。

Specific activity of the product is 15.54 GBq/ mmol, radiochemical purity 95.7%.

放射性比度为15.54GBq/mmol，放化纯度为95.7%。

Results The UV and HPLC spectrum of the synthesized 3 H higenamine were identical with that of the higenamine standard, the radiochemical purity was more than 98% and the specific activity was 370 GBq/ mmol.

结果合成的3H去甲乌药碱UV和HPLC图谱鉴定与去甲乌药碱标准品一致，放化纯>98%，比活度>370GBq mmol。

The radiochemical purity of the product purified by HPLC is greater than 98%, and its specific activity is 738 GBq/ mmol. The quality of the product could meet the demands of the relevant research on medicine or pharmacology.

所得产物经高效液相色谱纯化后，放射化学纯度大于98%，放射性比活度达738GBq/mmol，各项指标能满足医、药学相关研究的要求。

With the 131 I dosage ranging from 3.7 to 12.95 GBq, there was no significant difference among all groups in therapeutic efficiency ( P> 0.05).

131I剂量为37～1295GBq时，各剂量组对LMDTC的疗效差异无显著性（P均>005）。