umn是什么意思

Conclusion The results from 1H-MRS suggest the distribution of neuronal loss in ALS, and 1H-MRS can be a quantitative measurement in the evaluation of UMN dysfunction in ALS.

结论1H-MRS技术可以检测ALS病人相关脑区NAA/Cr及Cho/Cr比值与正常人存在显著差别，提示ALS病人脑内确实存在着神经元的变性或缺失，同时表明1H-MRS技术可客观、定量地反映UMN的功能。

Method: The keys of ordinary solution volumn rectification were established at different temperature by measuring the vol-umn changes of 500 ml of 10% glucose solution at various temperatures.

方法：测定不同温度时500ml的10%葡萄糖溶液体积变化，制定出不同温度时常用配液灌装体积校正表。

A highly purified pFSH was isolated from a porcine pituitary extract with the one& step method using the col-umn. The method is simple and rapid.

以简便快速的一步纯化法从猪垂体浸出液中提取出高纯度pFSH。