研究了NP型螯合树脂珠作为质谱样品载体，对铀同位素进行热电离质谱分析的方法。

NP-type chelate resin beads is used as a carrier of samples in the isotopic measurements of uranium by mass spectrometry.

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目的：研究珠穆根散（一种藏药复方）对急性脑缺血大鼠所致记忆障碍与海马去甲肾上腺素（NE）的含量之间的关系。

Objective:To study the effect of Zhu Mu Gen San(a kind of Tibetan compound recipe)on the memory disorders of rat's with cerebral ischemia and its affect the content of NE in rat′s hippocampus.

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链亲和素结合磁珠分离技术的新方法，为研究DNA ？

Streptavidin system and magnetic beads isolation technique, providing a new way to study DNA?

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