umn

Results show that E_c increased with the increase of energy input and the increase of the ratio of annular width to col - umn diameter .

结果表明，环形柱内连续相轴向扩散系数Ec随外界输入能量的增大而增大，随隙径比的增大而增大。

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。

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。

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。

Objective : To investigate the TMS-MEP changes in ALS and their correlations with clinical aspects . To assess the value of TMS-MEP in the diagnosis and UMN lesion evaluations of ALS .

目的：研究ALS患者TMS-MEP改变及与临床的相关性，了解其在ALS诊断和UMN损害评价中的作用。

A Study of Transcranial Magnetic Stimulation Motor Evoked Potentials on Amyotrophic Lateral SclerosisBackground : Amyotrophic lateral sclerosis ( ALS ) is a progressive neurodegenerative disease affecting both lower and upper motor neurons ( UMN ) .

肌萎缩侧索硬化症（amyotrophiclateralsclerosis，ALS）是一种慢性进行性神经系统变性病，以上、下运动神经元变性为特征。

Objective : To investigate the transcranial magnetic stimulation motor evoked potential ( TMS-MEP ) changes in amyotrophic lateral sclerosis ( ALS ) and their correlations with clinical aspects . To assess the value of TMS-MEP in the diagnosis and upper motor neuron ( UMN ) lesion evaluations of ALS .

目的：研究肌萎缩侧索硬化症（ALS）患者经颅磁刺激运动诱发电位（TMS-MEP）改变及与临床的相关性，了解其在ALS诊断和上运动神经元（UMN）损害评价中的作用。