试验结果表明多数人工制造的同位素都具有放射性。
The results obtained suggested that most isotopes produced artificially are radioactive.
结论：使用人工唾液和中药能减轻放射性口干，促进唾液腺功能的恢复，提高患者的生活质量。
Conclusions: Artificial saliva and Chinese traditional medicine are effective for radiation xerostomia, and they can improve the quality of life for patients with salivary gland dysfunction.
对历年发表在同位素表上的资料进行了比较，发现人工放射性同位素的数目随时间呈极好的线性关系，新的人工放射性同位素发现率约为每年50种。
It has been found that the increase of the number of artificial radioisotopes with the years is beautifully linear with a discovery fate of approximately 50 new artificial radioisotopes per year.
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